pax_global_header00006660000000000000000000000064144627505440014525gustar00rootroot0000000000000052 comment=1e5b49925aa60065db52de44c366d446a902547b rtmidi-6.0.0/000077500000000000000000000000001446275054400130205ustar00rootroot00000000000000rtmidi-6.0.0/CMakeLists.txt000066400000000000000000000235031446275054400155630ustar00rootroot00000000000000# 2018 (c) Juan G. Victores, Bartek Łukawski, Stephen Sinclair # CopyPolicy: RtMidi license. # Set minimum CMake required version for this project. cmake_minimum_required(VERSION 3.24 FATAL_ERROR) # Define a C++ project. project(RtMidi LANGUAGES CXX C) # standards version set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) # Check for Jack (any OS) find_library(JACK_LIB jack) find_package(PkgConfig) pkg_check_modules(jack jack) if(JACK_LIB OR jack_FOUND) set(HAVE_JACK TRUE) endif() # Necessary for Windows if(WIN32) set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON) endif() # Standard CMake options option(BUILD_SHARED_LIBS "Build as shared library" ON) if (NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE) set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug;Release;RelWithDebInfo;MinSizeRel") endif() if(WINDOWS) set(CMAKE_DEBUG_POSTFIX d CACHE STRING "Postfix for debug version of library") endif() # Build Options set(RTMIDI_TARGETNAME_UNINSTALL "uninstall" CACHE STRING "Name of 'uninstall' build target") # API Options option(RTMIDI_API_JACK "Compile with JACK support." ${HAVE_JACK}) option(RTMIDI_API_WINMM "Compile with WINMM support." ${WIN32}) option(RTMIDI_API_CORE "Compile with CoreMIDI support." ${APPLE}) option(RTMIDI_API_ALSA "Compile with ALSA support." ${ALSA}) option(RTMIDI_API_AMIDI "Compile with Android support." ${ANDROID}) # Add -Wall if possible if (CMAKE_COMPILER_IS_GNUCXX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall") endif (CMAKE_COMPILER_IS_GNUCXX) # Add debug flags if (CMAKE_BUILD_TYPE STREQUAL "Debug") add_definitions(-D__RTMIDI_DEBUG__) if (CMAKE_COMPILER_IS_GNUCXX) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror") endif (CMAKE_COMPILER_IS_GNUCXX) endif () # Read libtool version info from configure.ac set(R "m4_define\\(\\[lt_([a-z]+)\\], ([0-9]+)\\)") file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/configure.ac" CONFIGAC REGEX ${R}) foreach(_S ${CONFIGAC}) string(REGEX REPLACE ${R} "\\1" k ${_S}) string(REGEX REPLACE ${R} "\\2" v ${_S}) set(SO_${k} ${v}) endforeach() math(EXPR SO_current_minus_age "${SO_current} - ${SO_age}") set(SO_VER "${SO_current_minus_age}") set(FULL_VER "${SO_current_minus_age}.${SO_age}.${SO_revision}") # Read package version info from configure.ac set(R "AC_INIT\\(RtMidi, ([0-9\\.]+),.*\\)") file(STRINGS "${CMAKE_CURRENT_SOURCE_DIR}/configure.ac" CONFIGAC REGEX ${R}) string(REGEX REPLACE ${R} "\\1" PACKAGE_VERSION ${CONFIGAC}) # Init variables set(rtmidi_SOURCES RtMidi.cpp RtMidi.h rtmidi_c.cpp rtmidi_c.h) set(LINKLIBS) set(PUBLICLINKLIBS) set(INCDIRS) set(PKGCONFIG_REQUIRES) set(LIBS_REQUIRES) set(API_DEFS) set(API_LIST) set(PACKAGE_DEPENDENCIES) # Tweak API-specific configuration. # Jack if(RTMIDI_API_JACK) if (NOT HAVE_JACK) message(FATAL_ERROR "Jack API requested but no Jack dev libraries found") endif() set(NEED_PTHREAD ON) list(APPEND PKGCONFIG_REQUIRES "jack") list(APPEND API_DEFS "-D__UNIX_JACK__") list(APPEND API_LIST "jack") if(jack_FOUND) list(APPEND LINKLIBS ${jack_LIBRARIES}) list(APPEND INCDIRS ${jack_INCLUDEDIR}) else() list(APPEND LINKLIBS ${JACK_LIB}) endif() # Check for jack_port_rename include(CheckSymbolExists) set(tmp_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) list(APPEND CMAKE_REQUIRED_LIBRARIES jack) check_symbol_exists(jack_port_rename ${jack_INCLUDEDIR}/jack/jack.h JACK_HAS_PORT_RENAME) set(CMAKE_REQUIRED_LIBRARIES ${tmp_CMAKE_REQUIRED_LIBRARIES}) if(JACK_HAS_PORT_RENAME) list(APPEND API_DEFS "-DJACK_HAS_PORT_RENAME") endif() endif() # ALSA find_package(ALSA) if(ALSA_FOUND OR ALSA) set(NEED_PTHREAD ON) list(APPEND INCDIRS ${ALSA_INCLUDE_DIR}) list(APPEND LINKLIBS ALSA::ALSA) list(APPEND PKGCONFIG_REQUIRES "alsa") list(APPEND API_DEFS "-D__LINUX_ALSA__") list(APPEND API_LIST "alsa") list(APPEND PACKAGE_DEPENDENCIES "find_dependency(ALSA)") endif() # WinMM if(RTMIDI_API_WINMM) list(APPEND API_DEFS "-D__WINDOWS_MM__") list(APPEND API_LIST "winmm") list(APPEND LINKLIBS winmm) endif() # CoreMIDI if(RTMIDI_API_CORE) find_library(CORESERVICES_LIB CoreServices) find_library(COREAUDIO_LIB CoreAudio) find_library(COREMIDI_LIB CoreMIDI) find_library(COREFOUNDATION_LIB CoreFoundation) list(APPEND API_DEFS "-D__MACOSX_CORE__") list(APPEND API_LIST "coremidi") list(APPEND LINKLIBS ${CORESERVICES_LIB} ${COREAUDIO_LIB} ${COREMIDI_LIB} ${COREFOUNDATION_LIB}) list(APPEND LIBS_REQUIRES "-framework CoreServices -framework CoreAudio -framework CoreMIDI -framework CoreFoundation") list(APPEND LINKFLAGS "-Wl,-F/Library/Frameworks") endif() # Android AMIDI if(ANDROID) set(NEED_PTHREAD ON) set(JAVA_INCLUDE_PATH2 NotNeeded) set(JAVA_AWT_INCLUDE_PATH NotNeeded) find_package(JNI) # find_library(ALOG_LIB log android) list(APPEND API_DEFS "-D__AMIDI__") list(APPEND API_LIST "amidi") list(APPEND LINKLIBS log ${JNI_LIBRARIES} amidi) endif() # pthread if (NEED_PTHREAD) find_package(Threads REQUIRED CMAKE_THREAD_PREFER_PTHREAD THREADS_PREFER_PTHREAD_FLAG) list(APPEND PUBLICLINKLIBS Threads::Threads) list(APPEND PACKAGE_DEPENDENCIES "find_dependency(Threads)") endif() # Create library targets. set(LIB_TARGETS) # Use RTMIDI_BUILD_SHARED_LIBS / RTMIDI_BUILD_STATIC_LIBS if they # are defined, otherwise default to standard BUILD_SHARED_LIBS. if (DEFINED RTMIDI_BUILD_SHARED_LIBS AND NOT RTMIDI_BUILD_SHARED_LIBS STREQUAL "") if (RTMIDI_BUILD_SHARED_LIBS) add_library(rtmidi SHARED ${rtmidi_SOURCES}) else() add_library(rtmidi STATIC ${rtmidi_SOURCES}) endif() elseif (DEFINED RTMIDI_BUILD_STATIC_LIBS AND NOT RTMIDI_BUILD_STATIC_LIBS STREQUAL "") if (RTMIDI_BUILD_STATIC_LIBS) add_library(rtmidi STATIC ${rtmidi_SOURCES}) else() add_library(rtmidi SHARED ${rtmidi_SOURCES}) endif() else() add_library(rtmidi ${rtmidi_SOURCES}) endif() list(APPEND LIB_TARGETS rtmidi) # Add headers destination for install rule. set_property(TARGET rtmidi PROPERTY PUBLIC_HEADER RtMidi.h rtmidi_c.h) set_target_properties(rtmidi PROPERTIES SOVERSION ${SO_VER} VERSION ${FULL_VER}) # Set standard installation directories. include(GNUInstallDirs) # Set include paths, populate target interface. target_include_directories(rtmidi PRIVATE ${INCDIRS} PUBLIC $ $) # Set compile-time definitions target_compile_definitions(rtmidi PRIVATE ${API_DEFS}) target_compile_definitions(rtmidi PRIVATE RTMIDI_EXPORT) target_link_libraries(rtmidi PUBLIC ${PUBLICLINKLIBS} PRIVATE ${LINKLIBS}) # Add tests if requested. option(RTMIDI_BUILD_TESTING "Build test programs" ON) if (NOT DEFINED RTMIDI_BUILD_TESTING OR RTMIDI_BUILD_TESTING STREQUAL "") set(RTMIDI_BUILD_TESTING ${BUILD_TESTING}) endif() if (RTMIDI_BUILD_TESTING) include(CTest) add_executable(cmidiin tests/cmidiin.cpp) add_executable(midiclock tests/midiclock.cpp) add_executable(midiout tests/midiout.cpp) add_executable(midiprobe tests/midiprobe.cpp) add_executable(qmidiin tests/qmidiin.cpp) add_executable(sysextest tests/sysextest.cpp) add_executable(apinames tests/apinames.cpp) add_executable(testcapi tests/testcapi.c) list(GET LIB_TARGETS 0 LIBRTMIDI) set_target_properties(cmidiin midiclock midiout midiprobe qmidiin sysextest apinames testcapi PROPERTIES RUNTIME_OUTPUT_DIRECTORY tests INCLUDE_DIRECTORIES ${CMAKE_CURRENT_SOURCE_DIR} LINK_LIBRARIES ${LIBRTMIDI}) add_test(NAME apinames COMMAND apinames) endif() # Set standard installation directories. include(GNUInstallDirs) # Message string(REPLACE ";" " " apilist "${API_LIST}") message(STATUS "Compiling with support for: ${apilist}") # PkgConfig file string(REPLACE ";" " " req "${PKGCONFIG_REQUIRES}") string(REPLACE ";" " " req_libs "${LIBS_REQUIRES}") string(REPLACE ";" " " api "${API_DEFS}") set(prefix ${CMAKE_INSTALL_PREFIX}) configure_file("${CMAKE_CURRENT_SOURCE_DIR}/rtmidi.pc.in" "rtmidi.pc" @ONLY) # Add install rule. install(TARGETS ${LIB_TARGETS} EXPORT RtMidiTargets LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/rtmidi) # Store the package in the user registry. export(PACKAGE RtMidi) # Set installation path for CMake files. set(RTMIDI_CMAKE_DESTINATION share/rtmidi) # Export library target (build-tree). export(EXPORT RtMidiTargets NAMESPACE RtMidi::) # Export library target (install-tree). install(EXPORT RtMidiTargets DESTINATION ${RTMIDI_CMAKE_DESTINATION} NAMESPACE RtMidi::) # Configure uninstall target. configure_file( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/RtMidiConfigUninstall.cmake.in" "${CMAKE_BINARY_DIR}/RtMidiConfigUninstall.cmake" @ONLY) # Create uninstall target. add_custom_target(${RTMIDI_TARGETNAME_UNINSTALL} COMMAND ${CMAKE_COMMAND} -P ${CMAKE_BINARY_DIR}/RtMidiConfigUninstall.cmake) install( FILES ${CMAKE_CURRENT_BINARY_DIR}/rtmidi.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig) # Set up CMake package include(CMakePackageConfigHelpers) # Write cmake package version file write_basic_package_version_file( rtmidi-config-version.cmake VERSION ${FULL_VER} COMPATIBILITY SameMajorVersion ) string(REPLACE ";" "\n" package_dependencies "${PACKAGE_DEPENDENCIES}") # Write cmake package config file configure_package_config_file ( cmake/rtmidi-config.cmake.in rtmidi-config.cmake INSTALL_DESTINATION "${RTMIDI_CMAKE_DESTINATION}" ) # Install package files install ( FILES "${CMAKE_CURRENT_BINARY_DIR}/rtmidi-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/rtmidi-config-version.cmake" DESTINATION "${RTMIDI_CMAKE_DESTINATION}" ) rtmidi-6.0.0/LICENSE000066400000000000000000000025051446275054400140270ustar00rootroot00000000000000 RtMidi: realtime MIDI i/o C++ classes Copyright (c) 2003-2023 Gary P. Scavone Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. Any person wishing to distribute modifications to the Software is asked to send the modifications to the original developer so that they can be incorporated into the canonical version. This is, however, not a binding provision of this license. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. rtmidi-6.0.0/Makefile.am000066400000000000000000000010251446275054400150520ustar00rootroot00000000000000SUBDIRS = . tests if MAKE_DOC SUBDIRS += doc endif lib_LTLIBRARIES = %D%/librtmidi.la %C%_librtmidi_la_CXXFLAGS = -DRTMIDI_EXPORT %C%_librtmidi_la_LDFLAGS = -no-undefined -export-dynamic -version-info @SO_VERSION@ %C%_librtmidi_la_SOURCES = \ %D%/RtMidi.cpp \ %D%/rtmidi_c.cpp rtmidi_incdir = $(includedir)/rtmidi rtmidi_inc_HEADERS = \ %D%/RtMidi.h \ %D%/rtmidi_c.h pkgconfigdatadir = $(libdir)/pkgconfig pkgconfigdata_DATA = rtmidi.pc EXTRA_DIST = autogen.sh README.md msw rtmidi-config.in contrib cmake CMakeLists.txt rtmidi-6.0.0/README.md000066400000000000000000000047271446275054400143110ustar00rootroot00000000000000# RtMidi ![Build Status](https://github.com/thestk/rtmidi/actions/workflows/ci.yml/badge.svg) [![Conan Center](https://shields.io/conan/v/rtmidi)](https://conan.io/center/rtmidi) A set of C++ classes that provide a common API for realtime MIDI input/output across Linux (ALSA & JACK), Macintosh OS X (CoreMIDI & JACK), Windows (Multimedia Library & UWP), Web MIDI, iOS and Android. By Gary P. Scavone, 2003-2023. This distribution of RtMidi contains the following: - `doc`: RtMidi documentation (also online at http://www.music.mcgill.ca/~gary/rtmidi/) - `tests`: example RtMidi programs On Unix systems, type `./configure` in the top level directory, then `make` in the `tests/` directory to compile the test programs. In Windows, open the Visual C++ workspace file located in the `tests/` directory. If you checked out the code from git, please run `./autogen.sh` before `./configure`. ## Overview RtMidi is a set of C++ classes (`RtMidiIn`, `RtMidiOut`, and API specific classes) that provide a common API (Application Programming Interface) for realtime MIDI input/output across Linux (ALSA, JACK), Macintosh OS X (CoreMIDI, JACK), and Windows (Multimedia Library) operating systems. RtMidi significantly simplifies the process of interacting with computer MIDI hardware and software. It was designed with the following goals: - object oriented C++ design - simple, common API across all supported platforms - only one header and one source file for easy inclusion in programming projects - MIDI device enumeration MIDI input and output functionality are separated into two classes, `RtMidiIn` and `RtMidiOut`. Each class instance supports only a single MIDI connection. RtMidi does not provide timing functionality (i.e., output messages are sent immediately). Input messages are timestamped with delta times in seconds (via a `double` floating point type). MIDI data is passed to the user as raw bytes using an `std::vector`. ## Windows In some cases, for example to use RtMidi with GS Synth, it may be necessary for your program to call `CoInitializeEx` and `CoUninitialize` on entry to and exit from the thread that uses RtMidi. ## Further reading For complete documentation on RtMidi, see the `doc` directory of the distribution or surf to http://www.music.mcgill.ca/~gary/rtmidi/. ## Legal and ethical The RtMidi license is similar to the MIT License, with the added *feature* that modifications be sent to the developer. Please see [LICENSE](LICENSE). rtmidi-6.0.0/RtMidi.cpp000066400000000000000000005104241446275054400147220ustar00rootroot00000000000000/**********************************************************************/ /*! \class RtMidi \brief An abstract base class for realtime MIDI input/output. This class implements some common functionality for the realtime MIDI input/output subclasses RtMidiIn and RtMidiOut. RtMidi GitHub site: https://github.com/thestk/rtmidi RtMidi WWW site: http://www.music.mcgill.ca/~gary/rtmidi/ RtMidi: realtime MIDI i/o C++ classes Copyright (c) 2003-2023 Gary P. Scavone Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. Any person wishing to distribute modifications to the Software is asked to send the modifications to the original developer so that they can be incorporated into the canonical version. This is, however, not a binding provision of this license. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**********************************************************************/ #include "RtMidi.h" #include #if defined(__APPLE__) #include #endif #if (TARGET_OS_IPHONE == 1) #define AudioGetCurrentHostTime CAHostTimeBase::GetCurrentTime #define AudioConvertHostTimeToNanos CAHostTimeBase::ConvertToNanos #include class CTime2nsFactor { public: CTime2nsFactor() { mach_timebase_info_data_t tinfo; mach_timebase_info(&tinfo); Factor = (double)tinfo.numer / tinfo.denom; } static double Factor; }; double CTime2nsFactor::Factor; static CTime2nsFactor InitTime2nsFactor; #undef AudioGetCurrentHostTime #undef AudioConvertHostTimeToNanos #define AudioGetCurrentHostTime (uint64_t) mach_absolute_time #define AudioConvertHostTimeToNanos(t) t *CTime2nsFactor::Factor #define EndianS32_BtoN(n) n #endif // Default for Windows is to add an identifier to the port names; this // flag can be defined (e.g. in your project file) to disable this behaviour. //#define RTMIDI_DO_NOT_ENSURE_UNIQUE_PORTNAMES // Default for Windows UWP is to enable a workaround to fix BLE-MIDI IN ports' // wrong timestamps that occur at least in Windows 10 21H2; // this flag can be defined (e.g. in your project file) // to disable this behavior. //#define RTMIDI_DO_NOT_ENABLE_WORKAROUND_UWP_WRONG_TIMESTAMPS // **************************************************************** // // // MidiInApi and MidiOutApi subclass prototypes. // // **************************************************************** // #if !defined(__LINUX_ALSA__) && !defined(__UNIX_JACK__) && !defined(__MACOSX_CORE__) && !defined(__WINDOWS_MM__) && !defined(__WINDOWS_UWP__) && !defined(TARGET_IPHONE_OS) && !defined(__WEB_MIDI_API__) && !defined(__AMIDI__) #define __RTMIDI_DUMMY__ #endif #if defined(__MACOSX_CORE__) #include class MidiInCore: public MidiInApi { public: MidiInCore( const std::string &clientName, unsigned int queueSizeLimit ); ~MidiInCore( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::MACOSX_CORE; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); protected: MIDIClientRef getCoreMidiClientSingleton(const std::string& clientName) throw(); void initialize( const std::string& clientName ); }; class MidiOutCore: public MidiOutApi { public: MidiOutCore( const std::string &clientName ); ~MidiOutCore( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::MACOSX_CORE; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void sendMessage( const unsigned char *message, size_t size ); protected: MIDIClientRef getCoreMidiClientSingleton(const std::string& clientName) throw(); void initialize( const std::string& clientName ); }; #endif #if defined(__UNIX_JACK__) class MidiInJack: public MidiInApi { public: MidiInJack( const std::string &clientName, unsigned int queueSizeLimit ); ~MidiInJack( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::UNIX_JACK; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); protected: std::string clientName; void connect( void ); void initialize( const std::string& clientName ); }; class MidiOutJack: public MidiOutApi { public: MidiOutJack( const std::string &clientName ); ~MidiOutJack( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::UNIX_JACK; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void sendMessage( const unsigned char *message, size_t size ); protected: std::string clientName; void connect( void ); void initialize( const std::string& clientName ); }; #endif #if defined(__LINUX_ALSA__) class MidiInAlsa: public MidiInApi { public: MidiInAlsa( const std::string &clientName, unsigned int queueSizeLimit ); ~MidiInAlsa( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::LINUX_ALSA; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); protected: void initialize( const std::string& clientName ); }; class MidiOutAlsa: public MidiOutApi { public: MidiOutAlsa( const std::string &clientName ); ~MidiOutAlsa( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::LINUX_ALSA; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void sendMessage( const unsigned char *message, size_t size ); protected: void initialize( const std::string& clientName ); }; #endif #if defined(__WINDOWS_MM__) class MidiInWinMM: public MidiInApi { public: MidiInWinMM( const std::string &clientName, unsigned int queueSizeLimit ); ~MidiInWinMM( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::WINDOWS_MM; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); protected: void initialize( const std::string& clientName ); }; class MidiOutWinMM: public MidiOutApi { public: MidiOutWinMM( const std::string &clientName ); ~MidiOutWinMM( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::WINDOWS_MM; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void sendMessage( const unsigned char *message, size_t size ); protected: void initialize( const std::string& clientName ); }; #endif #if defined(__WINDOWS_UWP__) class MidiInWinUWP : public MidiInApi { public: MidiInWinUWP(const std::string& clientName, unsigned int queueSizeLimit); ~MidiInWinUWP(void) override; RtMidi::Api getCurrentApi(void) override { return RtMidi::WINDOWS_UWP; }; void openPort(unsigned int portNumber, const std::string& portName) override; void openVirtualPort(const std::string& portName) override; void closePort(void) override; void setClientName(const std::string& clientName) override; void setPortName(const std::string& portName) override; unsigned int getPortCount(void) override; std::string getPortName(unsigned int portNumber) override; double getMessage(std::vector* message) override; protected: void initialize(const std::string& clientName) override; }; class MidiOutWinUWP : public MidiOutApi { public: MidiOutWinUWP(const std::string& clientName); ~MidiOutWinUWP(void) override; RtMidi::Api getCurrentApi(void) override { return RtMidi::WINDOWS_UWP; }; void openPort(unsigned int portNumber, const std::string& portName) override; void openVirtualPort(const std::string& portName) override; void closePort(void) override; void setClientName(const std::string& clientName) override; void setPortName(const std::string& portName) override; unsigned int getPortCount(void) override; std::string getPortName(unsigned int portNumber) override; void sendMessage(const unsigned char* message, size_t size) override; protected: void initialize(const std::string& clientName) override; }; #endif #if defined(__WEB_MIDI_API__) class MidiInWeb : public MidiInApi { std::string client_name{}; std::string web_midi_id{}; int open_port_number{-1}; public: MidiInWeb(const std::string &/*clientName*/, unsigned int queueSizeLimit ); ~MidiInWeb( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::WEB_MIDI_API; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void onMidiMessage( uint8_t* data, double domHishResTimeStamp ); protected: void initialize( const std::string& clientName ); }; class MidiOutWeb: public MidiOutApi { std::string client_name{}; std::string web_midi_id{}; int open_port_number{-1}; public: MidiOutWeb( const std::string &clientName ); ~MidiOutWeb( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::WEB_MIDI_API; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void sendMessage( const unsigned char *message, size_t size ); protected: void initialize( const std::string& clientName ); }; #endif #if defined(__AMIDI__) #define LOG_TAG "RtMidi" #include #include #include #include #include #include #include #include class MidiInAndroid : public MidiInApi { public: MidiInAndroid(const std::string &/*clientName*/, unsigned int queueSizeLimit ); ~MidiInAndroid( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::ANDROID_AMIDI; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void onMidiMessage( uint8_t* data, double domHishResTimeStamp ); void initialize( const std::string& clientName ); void connect(); AMidiDevice* receiveDevice = NULL; AMidiOutputPort* midiOutputPort = NULL; pthread_t readThread; std::atomic reading = ATOMIC_VAR_INIT(false); static void* pollMidi(void* context); double lastTime; }; class MidiOutAndroid: public MidiOutApi { public: MidiOutAndroid( const std::string &clientName ); ~MidiOutAndroid( void ); RtMidi::Api getCurrentApi( void ) { return RtMidi::ANDROID_AMIDI; }; void openPort( unsigned int portNumber, const std::string &portName ); void openVirtualPort( const std::string &portName ); void closePort( void ); void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); unsigned int getPortCount( void ); std::string getPortName( unsigned int portNumber ); void sendMessage( const unsigned char *message, size_t size ); void initialize( const std::string& clientName ); void connect(); AMidiDevice* sendDevice = NULL; AMidiInputPort* midiInputPort = NULL; }; #endif #if defined(__RTMIDI_DUMMY__) class MidiInDummy: public MidiInApi { public: MidiInDummy( const std::string &/*clientName*/, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { errorString_ = "MidiInDummy: This class provides no functionality."; error( RtMidiError::WARNING, errorString_ ); } RtMidi::Api getCurrentApi( void ) { return RtMidi::RTMIDI_DUMMY; } void openPort( unsigned int /*portNumber*/, const std::string &/*portName*/ ) {} void openVirtualPort( const std::string &/*portName*/ ) {} void closePort( void ) {} void setClientName( const std::string &/*clientName*/ ) {}; void setPortName( const std::string &/*portName*/ ) {}; unsigned int getPortCount( void ) { return 0; } std::string getPortName( unsigned int /*portNumber*/ ) { return ""; } protected: void initialize( const std::string& /*clientName*/ ) {} }; class MidiOutDummy: public MidiOutApi { public: MidiOutDummy( const std::string &/*clientName*/ ) { errorString_ = "MidiOutDummy: This class provides no functionality."; error( RtMidiError::WARNING, errorString_ ); } RtMidi::Api getCurrentApi( void ) { return RtMidi::RTMIDI_DUMMY; } void openPort( unsigned int /*portNumber*/, const std::string &/*portName*/ ) {} void openVirtualPort( const std::string &/*portName*/ ) {} void closePort( void ) {} void setClientName( const std::string &/*clientName*/ ) {}; void setPortName( const std::string &/*portName*/ ) {}; unsigned int getPortCount( void ) { return 0; } std::string getPortName( unsigned int /*portNumber*/ ) { return ""; } void sendMessage( const unsigned char * /*message*/, size_t /*size*/ ) {} protected: void initialize( const std::string& /*clientName*/ ) {} }; #endif //*********************************************************************// // RtMidi Definitions //*********************************************************************// RtMidi :: RtMidi() : rtapi_(0) { } RtMidi :: ~RtMidi() { delete rtapi_; rtapi_ = 0; } RtMidi::RtMidi(RtMidi&& other) noexcept { rtapi_ = other.rtapi_; other.rtapi_ = nullptr; } std::string RtMidi :: getVersion( void ) throw() { return std::string( RTMIDI_VERSION ); } // Define API names and display names. // Must be in same order as API enum. extern "C" { const char* rtmidi_api_names[][2] = { { "unspecified" , "Unknown" }, { "core" , "CoreMidi" }, { "alsa" , "ALSA" }, { "jack" , "Jack" }, { "winmm" , "Windows MultiMedia" }, { "dummy" , "Dummy" }, { "web" , "Web MIDI API" }, { "winuwp" , "Windows UWP" }, { "amidi" , "Android MIDI API" }, }; const unsigned int rtmidi_num_api_names = sizeof(rtmidi_api_names)/sizeof(rtmidi_api_names[0]); // The order here will control the order of RtMidi's API search in // the constructor. extern "C" const RtMidi::Api rtmidi_compiled_apis[] = { #if defined(__MACOSX_CORE__) RtMidi::MACOSX_CORE, #endif #if defined(__LINUX_ALSA__) RtMidi::LINUX_ALSA, #endif #if defined(__UNIX_JACK__) RtMidi::UNIX_JACK, #endif #if defined(__WINDOWS_MM__) RtMidi::WINDOWS_MM, #endif #if defined(__WINDOWS_UWP__) RtMidi::WINDOWS_UWP, #endif #if defined(__WEB_MIDI_API__) RtMidi::WEB_MIDI_API, #endif #if defined(__WEB_MIDI_API__) RtMidi::WEB_MIDI_API, #endif #if defined(__AMIDI__) RtMidi::ANDROID_AMIDI, #endif RtMidi::UNSPECIFIED, }; extern "C" const unsigned int rtmidi_num_compiled_apis = sizeof(rtmidi_compiled_apis)/sizeof(rtmidi_compiled_apis[0])-1; } // This is a compile-time check that rtmidi_num_api_names == RtMidi::NUM_APIS. // If the build breaks here, check that they match. template class StaticAssert { private: StaticAssert() {} }; template<> class StaticAssert{ public: StaticAssert() {} }; class StaticAssertions { StaticAssertions() { StaticAssert(); }}; void RtMidi :: getCompiledApi( std::vector &apis ) throw() { apis = std::vector(rtmidi_compiled_apis, rtmidi_compiled_apis + rtmidi_num_compiled_apis); } std::string RtMidi :: getApiName( RtMidi::Api api ) { if (api < RtMidi::UNSPECIFIED || api >= RtMidi::NUM_APIS) return ""; return rtmidi_api_names[api][0]; } std::string RtMidi :: getApiDisplayName( RtMidi::Api api ) { if (api < RtMidi::UNSPECIFIED || api >= RtMidi::NUM_APIS) return "Unknown"; return rtmidi_api_names[api][1]; } RtMidi::Api RtMidi :: getCompiledApiByName( const std::string &name ) { unsigned int i=0; for (i = 0; i < rtmidi_num_compiled_apis; ++i) if (name == rtmidi_api_names[rtmidi_compiled_apis[i]][0]) return rtmidi_compiled_apis[i]; return RtMidi::UNSPECIFIED; } void RtMidi :: setClientName( const std::string &clientName ) { rtapi_->setClientName( clientName ); } void RtMidi :: setPortName( const std::string &portName ) { rtapi_->setPortName( portName ); } //*********************************************************************// // RtMidiIn Definitions //*********************************************************************// void RtMidiIn :: openMidiApi( RtMidi::Api api, const std::string &clientName, unsigned int queueSizeLimit ) { delete rtapi_; rtapi_ = 0; #if defined(__UNIX_JACK__) if ( api == UNIX_JACK ) rtapi_ = new MidiInJack( clientName, queueSizeLimit ); #endif #if defined(__LINUX_ALSA__) if ( api == LINUX_ALSA ) rtapi_ = new MidiInAlsa( clientName, queueSizeLimit ); #endif #if defined(__WINDOWS_MM__) if ( api == WINDOWS_MM ) rtapi_ = new MidiInWinMM( clientName, queueSizeLimit ); #endif #if defined(__WINDOWS_UWP__) if (api == WINDOWS_UWP) rtapi_ = new MidiInWinUWP(clientName, queueSizeLimit); #endif #if defined(__MACOSX_CORE__) if ( api == MACOSX_CORE ) rtapi_ = new MidiInCore( clientName, queueSizeLimit ); #endif #if defined(__WEB_MIDI_API__) if ( api == WEB_MIDI_API ) rtapi_ = new MidiInWeb( clientName, queueSizeLimit ); #endif #if defined(__AMIDI__) if ( api == ANDROID_AMIDI ) rtapi_ = new MidiInAndroid( clientName, queueSizeLimit ); #endif #if defined(__RTMIDI_DUMMY__) if ( api == RTMIDI_DUMMY ) rtapi_ = new MidiInDummy( clientName, queueSizeLimit ); #endif } RTMIDI_DLL_PUBLIC RtMidiIn :: RtMidiIn( RtMidi::Api api, const std::string &clientName, unsigned int queueSizeLimit ) : RtMidi() { if ( api != UNSPECIFIED ) { // Attempt to open the specified API. openMidiApi( api, clientName, queueSizeLimit ); if ( rtapi_ ) return; // No compiled support for specified API value. Issue a warning // and continue as if no API was specified. std::cerr << "\nRtMidiIn: no compiled support for specified API argument!\n\n" << std::endl; } // Iterate through the compiled APIs and return as soon as we find // one with at least one port or we reach the end of the list. std::vector< RtMidi::Api > apis; getCompiledApi( apis ); for ( unsigned int i=0; igetPortCount() ) break; } if ( rtapi_ ) return; // It should not be possible to get here because the preprocessor // definition __RTMIDI_DUMMY__ is automatically defined if no // API-specific definitions are passed to the compiler. But just in // case something weird happens, we'll throw an error. std::string errorText = "RtMidiIn: no compiled API support found ... critical error!!"; throw( RtMidiError( errorText, RtMidiError::UNSPECIFIED ) ); } RtMidiIn :: ~RtMidiIn() throw() { } //*********************************************************************// // RtMidiOut Definitions //*********************************************************************// void RtMidiOut :: openMidiApi( RtMidi::Api api, const std::string &clientName ) { delete rtapi_; rtapi_ = 0; #if defined(__UNIX_JACK__) if ( api == UNIX_JACK ) rtapi_ = new MidiOutJack( clientName ); #endif #if defined(__LINUX_ALSA__) if ( api == LINUX_ALSA ) rtapi_ = new MidiOutAlsa( clientName ); #endif #if defined(__WINDOWS_MM__) if ( api == WINDOWS_MM ) rtapi_ = new MidiOutWinMM( clientName ); #endif #if defined(__WINDOWS_UWP__) if (api == WINDOWS_UWP) rtapi_ = new MidiOutWinUWP(clientName); #endif #if defined(__MACOSX_CORE__) if ( api == MACOSX_CORE ) rtapi_ = new MidiOutCore( clientName ); #endif #if defined(__WEB_MIDI_API__) if ( api == WEB_MIDI_API ) rtapi_ = new MidiOutWeb( clientName ); #endif #if defined(__AMIDI__) if ( api == ANDROID_AMIDI ) rtapi_ = new MidiOutAndroid( clientName ); #endif #if defined(__RTMIDI_DUMMY__) if ( api == RTMIDI_DUMMY ) rtapi_ = new MidiOutDummy( clientName ); #endif } RTMIDI_DLL_PUBLIC RtMidiOut :: RtMidiOut( RtMidi::Api api, const std::string &clientName) { if ( api != UNSPECIFIED ) { // Attempt to open the specified API. openMidiApi( api, clientName ); if ( rtapi_ ) return; // No compiled support for specified API value. Issue a warning // and continue as if no API was specified. std::cerr << "\nRtMidiOut: no compiled support for specified API argument!\n\n" << std::endl; } // Iterate through the compiled APIs and return as soon as we find // one with at least one port or we reach the end of the list. std::vector< RtMidi::Api > apis; getCompiledApi( apis ); for ( unsigned int i=0; igetPortCount() ) break; } if ( rtapi_ ) return; // It should not be possible to get here because the preprocessor // definition __RTMIDI_DUMMY__ is automatically defined if no // API-specific definitions are passed to the compiler. But just in // case something weird happens, we'll thrown an error. std::string errorText = "RtMidiOut: no compiled API support found ... critical error!!"; throw( RtMidiError( errorText, RtMidiError::UNSPECIFIED ) ); } RtMidiOut :: ~RtMidiOut() throw() { } //*********************************************************************// // Common MidiApi Definitions //*********************************************************************// MidiApi :: MidiApi( void ) : apiData_( 0 ), connected_( false ), errorCallback_(0), firstErrorOccurred_(false), errorCallbackUserData_(0) { } MidiApi :: ~MidiApi( void ) { } void MidiApi :: setErrorCallback( RtMidiErrorCallback errorCallback, void *userData = 0 ) { errorCallback_ = errorCallback; errorCallbackUserData_ = userData; } void MidiApi :: error( RtMidiError::Type type, std::string errorString ) { if ( errorCallback_ ) { if ( firstErrorOccurred_ ) return; firstErrorOccurred_ = true; const std::string errorMessage = errorString; errorCallback_( type, errorMessage, errorCallbackUserData_ ); firstErrorOccurred_ = false; return; } if ( type == RtMidiError::WARNING ) { std::cerr << '\n' << errorString << "\n\n"; } else if ( type == RtMidiError::DEBUG_WARNING ) { #if defined(__RTMIDI_DEBUG__) std::cerr << '\n' << errorString << "\n\n"; #endif } else { std::cerr << '\n' << errorString << "\n\n"; throw RtMidiError( errorString, type ); } } //*********************************************************************// // Common MidiInApi Definitions //*********************************************************************// MidiInApi :: MidiInApi( unsigned int queueSizeLimit ) : MidiApi() { // Allocate the MIDI queue. inputData_.queue.ringSize = queueSizeLimit; if ( inputData_.queue.ringSize > 0 ) inputData_.queue.ring = new MidiMessage[ inputData_.queue.ringSize ]; } MidiInApi :: ~MidiInApi( void ) { // Delete the MIDI queue. if ( inputData_.queue.ringSize > 0 ) delete [] inputData_.queue.ring; } void MidiInApi :: setCallback( RtMidiIn::RtMidiCallback callback, void *userData ) { if ( inputData_.usingCallback ) { errorString_ = "MidiInApi::setCallback: a callback function is already set!"; error( RtMidiError::WARNING, errorString_ ); return; } if ( !callback ) { errorString_ = "RtMidiIn::setCallback: callback function value is invalid!"; error( RtMidiError::WARNING, errorString_ ); return; } inputData_.userCallback = callback; inputData_.userData = userData; inputData_.usingCallback = true; } void MidiInApi :: cancelCallback() { if ( !inputData_.usingCallback ) { errorString_ = "RtMidiIn::cancelCallback: no callback function was set!"; error( RtMidiError::WARNING, errorString_ ); return; } inputData_.userCallback = 0; inputData_.userData = 0; inputData_.usingCallback = false; } void MidiInApi :: ignoreTypes( bool midiSysex, bool midiTime, bool midiSense ) { inputData_.ignoreFlags = 0; if ( midiSysex ) inputData_.ignoreFlags = 0x01; if ( midiTime ) inputData_.ignoreFlags |= 0x02; if ( midiSense ) inputData_.ignoreFlags |= 0x04; } double MidiInApi :: getMessage( std::vector *message ) { message->clear(); if ( inputData_.usingCallback ) { errorString_ = "RtMidiIn::getNextMessage: a user callback is currently set for this port."; error( RtMidiError::WARNING, errorString_ ); return 0.0; } double timeStamp; if ( !inputData_.queue.pop( message, &timeStamp ) ) return 0.0; return timeStamp; } void MidiInApi :: setBufferSize( unsigned int size, unsigned int count ) { inputData_.bufferSize = size; inputData_.bufferCount = count; } unsigned int MidiInApi::MidiQueue::size( unsigned int *__back, unsigned int *__front ) { // Access back/front members exactly once and make stack copies for // size calculation unsigned int _back = back, _front = front, _size; if ( _back >= _front ) _size = _back - _front; else _size = ringSize - _front + _back; // Return copies of back/front so no new and unsynchronized accesses // to member variables are needed. if ( __back ) *__back = _back; if ( __front ) *__front = _front; return _size; } // As long as we haven't reached our queue size limit, push the message. bool MidiInApi::MidiQueue::push( const MidiInApi::MidiMessage& msg ) { // Local stack copies of front/back unsigned int _back, _front, _size; // Get back/front indexes exactly once and calculate current size _size = size( &_back, &_front ); if ( _size < ringSize-1 ) { ring[_back] = msg; back = (back+1)%ringSize; return true; } return false; } bool MidiInApi::MidiQueue::pop( std::vector *msg, double* timeStamp ) { // Local stack copies of front/back unsigned int _back, _front, _size; // Get back/front indexes exactly once and calculate current size _size = size( &_back, &_front ); if ( _size == 0 ) return false; // Copy queued message to the vector pointer argument and then "pop" it. msg->assign( ring[_front].bytes.begin(), ring[_front].bytes.end() ); *timeStamp = ring[_front].timeStamp; // Update front front = (front+1)%ringSize; return true; } //*********************************************************************// // Common MidiOutApi Definitions //*********************************************************************// MidiOutApi :: MidiOutApi( void ) : MidiApi() { } MidiOutApi :: ~MidiOutApi( void ) { } // *************************************************** // // // OS/API-specific methods. // // *************************************************** // #if defined(__MACOSX_CORE__) // The CoreMIDI API is based on the use of a callback function for // MIDI input. We convert the system specific time stamps to delta // time values. // These are not available on iOS. #if (TARGET_OS_IPHONE == 0) #include #include #endif // A structure to hold variables related to the CoreMIDI API // implementation. struct CoreMidiData { MIDIClientRef client; MIDIPortRef port; MIDIEndpointRef endpoint; MIDIEndpointRef destinationId; unsigned long long lastTime; MIDISysexSendRequest sysexreq; }; static MIDIClientRef CoreMidiClientSingleton = 0; void RtMidi_setCoreMidiClientSingleton(MIDIClientRef client){ CoreMidiClientSingleton = client; } void RtMidi_disposeCoreMidiClientSingleton(){ if (CoreMidiClientSingleton == 0){ return; } MIDIClientDispose( CoreMidiClientSingleton ); CoreMidiClientSingleton = 0; } //*********************************************************************// // API: OS-X // Class Definitions: MidiInCore //*********************************************************************// static void midiInputCallback( const MIDIPacketList *list, void *procRef, void */*srcRef*/ ) { MidiInApi::RtMidiInData *data = static_cast (procRef); CoreMidiData *apiData = static_cast (data->apiData); unsigned char status; unsigned short nBytes, iByte, size; unsigned long long time; bool& continueSysex = data->continueSysex; MidiInApi::MidiMessage& message = data->message; const MIDIPacket *packet = &list->packet[0]; for ( unsigned int i=0; inumPackets; ++i ) { // My interpretation of the CoreMIDI documentation: all message // types, except sysex, are complete within a packet and there may // be several of them in a single packet. Sysex messages can be // broken across multiple packets and PacketLists but are bundled // alone within each packet (these packets do not contain other // message types). If sysex messages are split across multiple // MIDIPacketLists, they must be handled by multiple calls to this // function. nBytes = packet->length; if ( nBytes == 0 ) { packet = MIDIPacketNext( packet ); continue; } // Calculate time stamp. if ( data->firstMessage ) { message.timeStamp = 0.0; data->firstMessage = false; } else { time = packet->timeStamp; if ( time == 0 ) { // this happens when receiving asynchronous sysex messages time = AudioGetCurrentHostTime(); } time -= apiData->lastTime; time = AudioConvertHostTimeToNanos( time ); if ( !continueSysex ) message.timeStamp = time * 0.000000001; } // Track whether any non-filtered messages were found in this // packet for timestamp calculation bool foundNonFiltered = false; iByte = 0; if ( continueSysex ) { // We have a continuing, segmented sysex message. if ( !( data->ignoreFlags & 0x01 ) ) { // If we're not ignoring sysex messages, copy the entire packet. for ( unsigned int j=0; jdata[j] ); } continueSysex = packet->data[nBytes-1] != 0xF7; if ( !( data->ignoreFlags & 0x01 ) && !continueSysex ) { // If not a continuing sysex message, invoke the user callback function or queue the message. if ( data->usingCallback ) { RtMidiIn::RtMidiCallback callback = (RtMidiIn::RtMidiCallback) data->userCallback; callback( message.timeStamp, &message.bytes, data->userData ); } else { // As long as we haven't reached our queue size limit, push the message. if ( !data->queue.push( message ) ) std::cerr << "\nMidiInCore: message queue limit reached!!\n\n"; } message.bytes.clear(); } } else { while ( iByte < nBytes ) { size = 0; // We are expecting that the next byte in the packet is a status byte. status = packet->data[iByte]; if ( !(status & 0x80) ) break; // Determine the number of bytes in the MIDI message. if ( status < 0xC0 ) size = 3; else if ( status < 0xE0 ) size = 2; else if ( status < 0xF0 ) size = 3; else if ( status == 0xF0 ) { // A MIDI sysex if ( data->ignoreFlags & 0x01 ) { size = 0; iByte = nBytes; } else size = nBytes - iByte; continueSysex = packet->data[nBytes-1] != 0xF7; } else if ( status == 0xF1 ) { // A MIDI time code message if ( data->ignoreFlags & 0x02 ) { size = 0; iByte += 2; } else size = 2; } else if ( status == 0xF2 ) size = 3; else if ( status == 0xF3 ) size = 2; else if ( status == 0xF8 && ( data->ignoreFlags & 0x02 ) ) { // A MIDI timing tick message and we're ignoring it. size = 0; iByte += 1; } else if ( status == 0xFE && ( data->ignoreFlags & 0x04 ) ) { // A MIDI active sensing message and we're ignoring it. size = 0; iByte += 1; } else size = 1; // Copy the MIDI data to our vector. if ( size ) { foundNonFiltered = true; message.bytes.assign( &packet->data[iByte], &packet->data[iByte+size] ); if ( !continueSysex ) { // If not a continuing sysex message, invoke the user callback function or queue the message. if ( data->usingCallback ) { RtMidiIn::RtMidiCallback callback = (RtMidiIn::RtMidiCallback) data->userCallback; callback( message.timeStamp, &message.bytes, data->userData ); } else { // As long as we haven't reached our queue size limit, push the message. if ( !data->queue.push( message ) ) std::cerr << "\nMidiInCore: message queue limit reached!!\n\n"; } message.bytes.clear(); } iByte += size; } } } // Save the time of the last non-filtered message if ( foundNonFiltered ) { apiData->lastTime = packet->timeStamp; if ( apiData->lastTime == 0 ) { // this happens when receiving asynchronous sysex messages apiData->lastTime = AudioGetCurrentHostTime(); } } packet = MIDIPacketNext(packet); } } MidiInCore :: MidiInCore( const std::string &clientName, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { MidiInCore::initialize( clientName ); } MidiInCore :: ~MidiInCore( void ) { // Close a connection if it exists. MidiInCore::closePort(); // Cleanup. CoreMidiData *data = static_cast (apiData_); if ( data->endpoint ) MIDIEndpointDispose( data->endpoint ); delete data; } MIDIClientRef MidiInCore::getCoreMidiClientSingleton(const std::string& clientName) throw() { if (CoreMidiClientSingleton == 0){ // Set up our client. MIDIClientRef client; CFStringRef name = CFStringCreateWithCString( NULL, clientName.c_str(), kCFStringEncodingASCII ); OSStatus result = MIDIClientCreate(name, NULL, NULL, &client ); if ( result != noErr ) { std::ostringstream ost; ost << "MidiInCore::initialize: error creating OS-X MIDI client object (" << result << ")."; errorString_ = ost.str(); error( RtMidiError::DRIVER_ERROR, errorString_ ); return 0; } CFRelease( name ); CoreMidiClientSingleton = client; } return CoreMidiClientSingleton; } void MidiInCore :: initialize( const std::string& clientName ) { // Set up our client. MIDIClientRef client = getCoreMidiClientSingleton(clientName); // Save our api-specific connection information. CoreMidiData *data = (CoreMidiData *) new CoreMidiData; data->client = client; data->endpoint = 0; apiData_ = (void *) data; inputData_.apiData = (void *) data; } void MidiInCore :: openPort( unsigned int portNumber, const std::string &portName ) { if ( connected_ ) { errorString_ = "MidiInCore::openPort: a valid connection already exists!"; error( RtMidiError::WARNING, errorString_ ); return; } CFRunLoopRunInMode( kCFRunLoopDefaultMode, 0, false ); unsigned int nSrc = MIDIGetNumberOfSources(); if ( nSrc < 1 ) { errorString_ = "MidiInCore::openPort: no MIDI input sources found!"; error( RtMidiError::NO_DEVICES_FOUND, errorString_ ); return; } if ( portNumber >= nSrc ) { std::ostringstream ost; ost << "MidiInCore::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } MIDIPortRef port; CoreMidiData *data = static_cast (apiData_); CFStringRef portNameRef = CFStringCreateWithCString( NULL, portName.c_str(), kCFStringEncodingASCII ); OSStatus result = MIDIInputPortCreate( data->client, portNameRef, midiInputCallback, (void *)&inputData_, &port ); CFRelease( portNameRef ); if ( result != noErr ) { errorString_ = "MidiInCore::openPort: error creating OS-X MIDI input port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Get the desired input source identifier. MIDIEndpointRef endpoint = MIDIGetSource( portNumber ); if ( endpoint == 0 ) { MIDIPortDispose( port ); errorString_ = "MidiInCore::openPort: error getting MIDI input source reference."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Make the connection. result = MIDIPortConnectSource( port, endpoint, NULL ); if ( result != noErr ) { MIDIPortDispose( port ); errorString_ = "MidiInCore::openPort: error connecting OS-X MIDI input port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Save our api-specific port information. data->port = port; connected_ = true; } void MidiInCore :: openVirtualPort( const std::string &portName ) { CoreMidiData *data = static_cast (apiData_); // Create a virtual MIDI input destination. MIDIEndpointRef endpoint; CFStringRef portNameRef = CFStringCreateWithCString( NULL, portName.c_str(), kCFStringEncodingASCII ); OSStatus result = MIDIDestinationCreate( data->client, portNameRef, midiInputCallback, (void *)&inputData_, &endpoint ); CFRelease( portNameRef ); if ( result != noErr ) { errorString_ = "MidiInCore::openVirtualPort: error creating virtual OS-X MIDI destination."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Save our api-specific connection information. data->endpoint = endpoint; } void MidiInCore :: closePort( void ) { CoreMidiData *data = static_cast (apiData_); if ( data->endpoint ) { MIDIEndpointDispose( data->endpoint ); data->endpoint = 0; } if ( data->port ) { MIDIPortDispose( data->port ); data->port = 0; } connected_ = false; } void MidiInCore :: setClientName ( const std::string& ) { errorString_ = "MidiInCore::setClientName: this function is not implemented for the MACOSX_CORE API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiInCore :: setPortName ( const std::string& ) { errorString_ = "MidiInCore::setPortName: this function is not implemented for the MACOSX_CORE API!"; error( RtMidiError::WARNING, errorString_ ); } unsigned int MidiInCore :: getPortCount() { CFRunLoopRunInMode( kCFRunLoopDefaultMode, 0, false ); return MIDIGetNumberOfSources(); } // This function was submitted by Douglas Casey Tucker and apparently // derived largely from PortMidi. CFStringRef CreateEndpointName( MIDIEndpointRef endpoint, bool isExternal ) { CFMutableStringRef result = CFStringCreateMutable( NULL, 0 ); CFStringRef str; // Begin with the endpoint's name. str = NULL; MIDIObjectGetStringProperty( endpoint, kMIDIPropertyName, &str ); if ( str != NULL ) { CFStringAppend( result, str ); } // some MIDI devices have a leading space in endpoint name. trim CFStringTrim(result, CFSTR(" ")); MIDIEntityRef entity = 0; MIDIEndpointGetEntity( endpoint, &entity ); if ( entity == 0 ) // probably virtual return result; if ( CFStringGetLength( result ) == 0 ) { // endpoint name has zero length -- try the entity str = NULL; MIDIObjectGetStringProperty( entity, kMIDIPropertyName, &str ); if ( str != NULL ) { CFStringAppend( result, str ); } } // now consider the device's name MIDIDeviceRef device = 0; MIDIEntityGetDevice( entity, &device ); if ( device == 0 ) return result; str = NULL; MIDIObjectGetStringProperty( device, kMIDIPropertyName, &str ); if ( CFStringGetLength( result ) == 0 ) { CFRelease( result ); CFRetain( str ); return str; } if ( str != NULL ) { // if an external device has only one entity, throw away // the endpoint name and just use the device name if ( isExternal && MIDIDeviceGetNumberOfEntities( device ) < 2 ) { CFRelease( result ); CFRetain( str ); return str; } else { if ( CFStringGetLength( str ) == 0 ) { return result; } // does the entity name already start with the device name? // (some drivers do this though they shouldn't) // if so, do not prepend if ( CFStringCompareWithOptions( result, /* endpoint name */ str /* device name */, CFRangeMake(0, CFStringGetLength( str ) ), 0 ) != kCFCompareEqualTo ) { // prepend the device name to the entity name if ( CFStringGetLength( result ) > 0 ) CFStringInsert( result, 0, CFSTR(" ") ); CFStringInsert( result, 0, str ); } } } return result; } // This function was submitted by Douglas Casey Tucker and apparently // derived largely from PortMidi. static CFStringRef CreateConnectedEndpointName( MIDIEndpointRef endpoint ) { CFMutableStringRef result = CFStringCreateMutable( NULL, 0 ); CFStringRef str; OSStatus err; int i; // Does the endpoint have connections? CFDataRef connections = NULL; int nConnected = 0; bool anyStrings = false; err = MIDIObjectGetDataProperty( endpoint, kMIDIPropertyConnectionUniqueID, &connections ); if ( connections != NULL ) { // It has connections, follow them // Concatenate the names of all connected devices nConnected = CFDataGetLength( connections ) / sizeof(MIDIUniqueID); if ( nConnected ) { const SInt32 *pid = (const SInt32 *)(CFDataGetBytePtr(connections)); for ( i=0; i= MIDIGetNumberOfSources() ) { std::ostringstream ost; ost << "MidiInCore::getPortName: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::WARNING, errorString_ ); return stringName; } portRef = MIDIGetSource( portNumber ); nameRef = CreateConnectedEndpointName( portRef ); CFStringGetCString( nameRef, name, sizeof(name), kCFStringEncodingUTF8 ); CFRelease( nameRef ); return stringName = name; } //*********************************************************************// // API: OS-X // Class Definitions: MidiOutCore //*********************************************************************// MidiOutCore :: MidiOutCore( const std::string &clientName ) : MidiOutApi() { MidiOutCore::initialize( clientName ); } MidiOutCore :: ~MidiOutCore( void ) { // Close a connection if it exists. MidiOutCore::closePort(); // Cleanup. CoreMidiData *data = static_cast (apiData_); if ( data->endpoint ) MIDIEndpointDispose( data->endpoint ); delete data; } MIDIClientRef MidiOutCore::getCoreMidiClientSingleton(const std::string& clientName) throw() { if (CoreMidiClientSingleton == 0){ // Set up our client. MIDIClientRef client; CFStringRef name = CFStringCreateWithCString( NULL, clientName.c_str(), kCFStringEncodingASCII ); OSStatus result = MIDIClientCreate(name, NULL, NULL, &client ); if ( result != noErr ) { std::ostringstream ost; ost << "MidiInCore::initialize: error creating OS-X MIDI client object (" << result << ")."; errorString_ = ost.str(); error( RtMidiError::DRIVER_ERROR, errorString_ ); return 0; } CFRelease( name ); CoreMidiClientSingleton = client; } return CoreMidiClientSingleton; } void MidiOutCore :: initialize( const std::string& clientName ) { // Set up our client. MIDIClientRef client = getCoreMidiClientSingleton(clientName); // Save our api-specific connection information. CoreMidiData *data = (CoreMidiData *) new CoreMidiData; data->client = client; data->endpoint = 0; apiData_ = (void *) data; } unsigned int MidiOutCore :: getPortCount() { CFRunLoopRunInMode( kCFRunLoopDefaultMode, 0, false ); return MIDIGetNumberOfDestinations(); } std::string MidiOutCore :: getPortName( unsigned int portNumber ) { CFStringRef nameRef; MIDIEndpointRef portRef; char name[128]; std::string stringName; CFRunLoopRunInMode( kCFRunLoopDefaultMode, 0, false ); if ( portNumber >= MIDIGetNumberOfDestinations() ) { std::ostringstream ost; ost << "MidiOutCore::getPortName: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::WARNING, errorString_ ); return stringName; } portRef = MIDIGetDestination( portNumber ); nameRef = CreateConnectedEndpointName(portRef); CFStringGetCString( nameRef, name, sizeof(name), kCFStringEncodingUTF8 ); CFRelease( nameRef ); return stringName = name; } void MidiOutCore :: openPort( unsigned int portNumber, const std::string &portName ) { if ( connected_ ) { errorString_ = "MidiOutCore::openPort: a valid connection already exists!"; error( RtMidiError::WARNING, errorString_ ); return; } CFRunLoopRunInMode( kCFRunLoopDefaultMode, 0, false ); unsigned int nDest = MIDIGetNumberOfDestinations(); if (nDest < 1) { errorString_ = "MidiOutCore::openPort: no MIDI output destinations found!"; error( RtMidiError::NO_DEVICES_FOUND, errorString_ ); return; } if ( portNumber >= nDest ) { std::ostringstream ost; ost << "MidiOutCore::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } MIDIPortRef port; CoreMidiData *data = static_cast (apiData_); CFStringRef portNameRef = CFStringCreateWithCString( NULL, portName.c_str(), kCFStringEncodingASCII ); OSStatus result = MIDIOutputPortCreate( data->client, portNameRef, &port ); CFRelease( portNameRef ); if ( result != noErr ) { errorString_ = "MidiOutCore::openPort: error creating OS-X MIDI output port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Get the desired output port identifier. MIDIEndpointRef destination = MIDIGetDestination( portNumber ); if ( destination == 0 ) { MIDIPortDispose( port ); errorString_ = "MidiOutCore::openPort: error getting MIDI output destination reference."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Save our api-specific connection information. data->port = port; data->destinationId = destination; connected_ = true; } void MidiOutCore :: closePort( void ) { CoreMidiData *data = static_cast (apiData_); if ( data->endpoint ) { MIDIEndpointDispose( data->endpoint ); data->endpoint = 0; } if ( data->port ) { MIDIPortDispose( data->port ); data->port = 0; } connected_ = false; } void MidiOutCore :: setClientName ( const std::string& ) { errorString_ = "MidiOutCore::setClientName: this function is not implemented for the MACOSX_CORE API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutCore :: setPortName ( const std::string& ) { errorString_ = "MidiOutCore::setPortName: this function is not implemented for the MACOSX_CORE API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutCore :: openVirtualPort( const std::string &portName ) { CoreMidiData *data = static_cast (apiData_); if ( data->endpoint ) { errorString_ = "MidiOutCore::openVirtualPort: a virtual output port already exists!"; error( RtMidiError::WARNING, errorString_ ); return; } // Create a virtual MIDI output source. MIDIEndpointRef endpoint; CFStringRef portNameRef = CFStringCreateWithCString( NULL, portName.c_str(), kCFStringEncodingASCII ); OSStatus result = MIDISourceCreate( data->client, portNameRef, &endpoint ); CFRelease( portNameRef ); if ( result != noErr ) { errorString_ = "MidiOutCore::initialize: error creating OS-X virtual MIDI source."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Save our api-specific connection information. data->endpoint = endpoint; } void MidiOutCore :: sendMessage( const unsigned char *message, size_t size ) { // We use the MIDISendSysex() function to asynchronously send sysex // messages. Otherwise, we use a single CoreMidi MIDIPacket. unsigned int nBytes = static_cast (size); if ( nBytes == 0 ) { errorString_ = "MidiOutCore::sendMessage: no data in message argument!"; error( RtMidiError::WARNING, errorString_ ); return; } if ( message[0] != 0xF0 && nBytes > 3 ) { errorString_ = "MidiOutCore::sendMessage: message format problem ... not sysex but > 3 bytes?"; error( RtMidiError::WARNING, errorString_ ); return; } MIDITimeStamp timeStamp = AudioGetCurrentHostTime(); CoreMidiData *data = static_cast (apiData_); OSStatus result; ByteCount bufsize = nBytes > 65535 ? 65535 : nBytes; Byte buffer[bufsize+16]; // pad for other struct members ByteCount listSize = sizeof( buffer ); MIDIPacketList *packetList = (MIDIPacketList*)buffer; ByteCount remainingBytes = nBytes; while ( remainingBytes ) { MIDIPacket *packet = MIDIPacketListInit( packetList ); // A MIDIPacketList can only contain a maximum of 64K of data, so if our message is longer, // break it up into chunks of 64K or less and send out as a MIDIPacketList with only one // MIDIPacket. Here, we reuse the memory allocated above on the stack for all. ByteCount bytesForPacket = remainingBytes > 65535 ? 65535 : remainingBytes; const Byte* dataStartPtr = (const Byte *) &message[nBytes - remainingBytes]; packet = MIDIPacketListAdd( packetList, listSize, packet, timeStamp, bytesForPacket, dataStartPtr ); remainingBytes -= bytesForPacket; if ( !packet ) { errorString_ = "MidiOutCore::sendMessage: could not allocate packet list"; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Send to any destinations that may have connected to us. if ( data->endpoint ) { result = MIDIReceived( data->endpoint, packetList ); if ( result != noErr ) { errorString_ = "MidiOutCore::sendMessage: error sending MIDI to virtual destinations."; error( RtMidiError::WARNING, errorString_ ); } } // And send to an explicit destination port if we're connected. if ( connected_ ) { result = MIDISend( data->port, data->destinationId, packetList ); if ( result != noErr ) { errorString_ = "MidiOutCore::sendMessage: error sending MIDI message to port."; error( RtMidiError::WARNING, errorString_ ); } } } } #endif // __MACOSX_CORE__ //*********************************************************************// // API: LINUX ALSA SEQUENCER //*********************************************************************// // API information found at: // - http://www.alsa-project.org/documentation.php#Library #if defined(__LINUX_ALSA__) // The ALSA Sequencer API is based on the use of a callback function for // MIDI input. // // Thanks to Pedro Lopez-Cabanillas for help with the ALSA sequencer // time stamps and other assorted fixes!!! // If you don't need timestamping for incoming MIDI events, define the // preprocessor definition AVOID_TIMESTAMPING to save resources // associated with the ALSA sequencer queues. #include #include // ALSA header file. #include // A structure to hold variables related to the ALSA API // implementation. struct AlsaMidiData { snd_seq_t *seq; unsigned int portNum; int vport; snd_seq_port_subscribe_t *subscription; snd_midi_event_t *coder; unsigned int bufferSize; unsigned int requestedBufferSize; unsigned char *buffer; pthread_t thread; pthread_t dummy_thread_id; snd_seq_real_time_t lastTime; int queue_id; // an input queue is needed to get timestamped events int trigger_fds[2]; }; #define PORT_TYPE( pinfo, bits ) ((snd_seq_port_info_get_capability(pinfo) & (bits)) == (bits)) //*********************************************************************// // API: LINUX ALSA // Class Definitions: MidiInAlsa //*********************************************************************// static void *alsaMidiHandler( void *ptr ) { MidiInApi::RtMidiInData *data = static_cast (ptr); AlsaMidiData *apiData = static_cast (data->apiData); long nBytes; double time; bool continueSysex = false; bool doDecode = false; MidiInApi::MidiMessage message; int poll_fd_count; struct pollfd *poll_fds; snd_seq_event_t *ev; int result; result = snd_midi_event_new( 0, &apiData->coder ); if ( result < 0 ) { data->doInput = false; std::cerr << "\nMidiInAlsa::alsaMidiHandler: error initializing MIDI event parser!\n\n"; return 0; } unsigned char *buffer = (unsigned char *) malloc( apiData->bufferSize ); if ( buffer == NULL ) { data->doInput = false; snd_midi_event_free( apiData->coder ); apiData->coder = 0; std::cerr << "\nMidiInAlsa::alsaMidiHandler: error initializing buffer memory!\n\n"; return 0; } snd_midi_event_init( apiData->coder ); snd_midi_event_no_status( apiData->coder, 1 ); // suppress running status messages poll_fd_count = snd_seq_poll_descriptors_count( apiData->seq, POLLIN ) + 1; poll_fds = (struct pollfd*)alloca( poll_fd_count * sizeof( struct pollfd )); snd_seq_poll_descriptors( apiData->seq, poll_fds + 1, poll_fd_count - 1, POLLIN ); poll_fds[0].fd = apiData->trigger_fds[0]; poll_fds[0].events = POLLIN; while ( data->doInput ) { if ( snd_seq_event_input_pending( apiData->seq, 1 ) == 0 ) { // No data pending if ( poll( poll_fds, poll_fd_count, -1) >= 0 ) { if ( poll_fds[0].revents & POLLIN ) { bool dummy; int res = read( poll_fds[0].fd, &dummy, sizeof(dummy) ); (void) res; } } continue; } // If here, there should be data. result = snd_seq_event_input( apiData->seq, &ev ); if ( result == -ENOSPC ) { std::cerr << "\nMidiInAlsa::alsaMidiHandler: MIDI input buffer overrun!\n\n"; continue; } else if ( result <= 0 ) { std::cerr << "\nMidiInAlsa::alsaMidiHandler: unknown MIDI input error!\n"; perror("System reports"); continue; } // This is a bit weird, but we now have to decode an ALSA MIDI // event (back) into MIDI bytes. We'll ignore non-MIDI types. if ( !continueSysex ) message.bytes.clear(); doDecode = false; switch ( ev->type ) { case SND_SEQ_EVENT_PORT_SUBSCRIBED: #if defined(__RTMIDI_DEBUG__) std::cout << "MidiInAlsa::alsaMidiHandler: port connection made!\n"; #endif break; case SND_SEQ_EVENT_PORT_UNSUBSCRIBED: #if defined(__RTMIDI_DEBUG__) std::cerr << "MidiInAlsa::alsaMidiHandler: port connection has closed!\n"; std::cout << "sender = " << (int) ev->data.connect.sender.client << ":" << (int) ev->data.connect.sender.port << ", dest = " << (int) ev->data.connect.dest.client << ":" << (int) ev->data.connect.dest.port << std::endl; #endif break; case SND_SEQ_EVENT_QFRAME: // MIDI time code if ( !( data->ignoreFlags & 0x02 ) ) doDecode = true; break; case SND_SEQ_EVENT_TICK: // 0xF9 ... MIDI timing tick if ( !( data->ignoreFlags & 0x02 ) ) doDecode = true; break; case SND_SEQ_EVENT_CLOCK: // 0xF8 ... MIDI timing (clock) tick if ( !( data->ignoreFlags & 0x02 ) ) doDecode = true; break; case SND_SEQ_EVENT_SENSING: // Active sensing if ( !( data->ignoreFlags & 0x04 ) ) doDecode = true; break; case SND_SEQ_EVENT_SYSEX: if ( (data->ignoreFlags & 0x01) ) break; if ( ev->data.ext.len > apiData->bufferSize ) { apiData->bufferSize = ev->data.ext.len; free( buffer ); buffer = (unsigned char *) malloc( apiData->bufferSize ); if ( buffer == NULL ) { data->doInput = false; std::cerr << "\nMidiInAlsa::alsaMidiHandler: error resizing buffer memory!\n\n"; break; } } doDecode = true; break; default: doDecode = true; } if ( doDecode ) { nBytes = snd_midi_event_decode( apiData->coder, buffer, apiData->bufferSize, ev ); if ( nBytes > 0 ) { // The ALSA sequencer has a maximum buffer size for MIDI sysex // events of 256 bytes. If a device sends sysex messages larger // than this, they are segmented into 256 byte chunks. So, // we'll watch for this and concatenate sysex chunks into a // single sysex message if necessary. if ( !continueSysex ) message.bytes.assign( buffer, &buffer[nBytes] ); else message.bytes.insert( message.bytes.end(), buffer, &buffer[nBytes] ); continueSysex = ( ( ev->type == SND_SEQ_EVENT_SYSEX ) && ( message.bytes.back() != 0xF7 ) ); if ( !continueSysex ) { // Calculate the time stamp: message.timeStamp = 0.0; // Method 1: Use the system time. //(void)gettimeofday(&tv, (struct timezone *)NULL); //time = (tv.tv_sec * 1000000) + tv.tv_usec; // Method 2: Use the ALSA sequencer event time data. // (thanks to Pedro Lopez-Cabanillas!). // Using method from: // https://www.gnu.org/software/libc/manual/html_node/Elapsed-Time.html // Perform the carry for the later subtraction by updating y. // Temp var y is timespec because computation requires signed types, // while snd_seq_real_time_t has unsigned types. snd_seq_real_time_t &x( ev->time.time ); struct timespec y; y.tv_nsec = apiData->lastTime.tv_nsec; y.tv_sec = apiData->lastTime.tv_sec; if ( x.tv_nsec < y.tv_nsec ) { int nsec = (y.tv_nsec - (int)x.tv_nsec) / 1000000000 + 1; y.tv_nsec -= 1000000000 * nsec; y.tv_sec += nsec; } if ( x.tv_nsec - y.tv_nsec > 1000000000 ) { int nsec = ((int)x.tv_nsec - y.tv_nsec) / 1000000000; y.tv_nsec += 1000000000 * nsec; y.tv_sec -= nsec; } // Compute the time difference. time = (int)x.tv_sec - y.tv_sec + ((int)x.tv_nsec - y.tv_nsec)*1e-9; apiData->lastTime = ev->time.time; if ( data->firstMessage == true ) data->firstMessage = false; else message.timeStamp = time; } else { #if defined(__RTMIDI_DEBUG__) std::cerr << "\nMidiInAlsa::alsaMidiHandler: event parsing error or not a MIDI event!\n\n"; #endif } } } snd_seq_free_event( ev ); if ( message.bytes.size() == 0 || continueSysex ) continue; if ( data->usingCallback ) { RtMidiIn::RtMidiCallback callback = (RtMidiIn::RtMidiCallback) data->userCallback; callback( message.timeStamp, &message.bytes, data->userData ); } else { // As long as we haven't reached our queue size limit, push the message. if ( !data->queue.push( message ) ) std::cerr << "\nMidiInAlsa: message queue limit reached!!\n\n"; } } if ( buffer ) free( buffer ); snd_midi_event_free( apiData->coder ); apiData->coder = 0; apiData->thread = apiData->dummy_thread_id; return 0; } MidiInAlsa :: MidiInAlsa( const std::string &clientName, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { MidiInAlsa::initialize( clientName ); } MidiInAlsa :: ~MidiInAlsa() { // Close a connection if it exists. MidiInAlsa::closePort(); // Shutdown the input thread. AlsaMidiData *data = static_cast (apiData_); if ( inputData_.doInput ) { inputData_.doInput = false; int res = write( data->trigger_fds[1], &inputData_.doInput, sizeof( inputData_.doInput ) ); (void) res; if ( !pthread_equal(data->thread, data->dummy_thread_id) ) pthread_join( data->thread, NULL ); } // Cleanup. close ( data->trigger_fds[0] ); close ( data->trigger_fds[1] ); if ( data->vport >= 0 ) snd_seq_delete_port( data->seq, data->vport ); #ifndef AVOID_TIMESTAMPING snd_seq_free_queue( data->seq, data->queue_id ); #endif snd_seq_close( data->seq ); delete data; } void MidiInAlsa :: initialize( const std::string& clientName ) { // Set up the ALSA sequencer client. snd_seq_t *seq; int result = snd_seq_open( &seq, "default", SND_SEQ_OPEN_DUPLEX, SND_SEQ_NONBLOCK ); if ( result < 0 ) { errorString_ = "MidiInAlsa::initialize: error creating ALSA sequencer client object."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Set client name. snd_seq_set_client_name( seq, clientName.c_str() ); // Save our api-specific connection information. AlsaMidiData *data = (AlsaMidiData *) new AlsaMidiData; data->seq = seq; data->portNum = -1; data->vport = -1; data->subscription = 0; data->dummy_thread_id = pthread_self(); data->thread = data->dummy_thread_id; data->trigger_fds[0] = -1; data->trigger_fds[1] = -1; data->bufferSize = inputData_.bufferSize; apiData_ = (void *) data; inputData_.apiData = (void *) data; if ( pipe(data->trigger_fds) == -1 ) { errorString_ = "MidiInAlsa::initialize: error creating pipe objects."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Create the input queue #ifndef AVOID_TIMESTAMPING data->queue_id = snd_seq_alloc_named_queue( seq, "RtMidi Queue" ); // Set arbitrary tempo (mm=100) and resolution (240) snd_seq_queue_tempo_t *qtempo; snd_seq_queue_tempo_alloca( &qtempo ); snd_seq_queue_tempo_set_tempo( qtempo, 600000 ); snd_seq_queue_tempo_set_ppq( qtempo, 240 ); snd_seq_set_queue_tempo( data->seq, data->queue_id, qtempo ); snd_seq_drain_output( data->seq ); #endif } // This function is used to count or get the pinfo structure for a given port number. unsigned int portInfo( snd_seq_t *seq, snd_seq_port_info_t *pinfo, unsigned int type, int portNumber ) { snd_seq_client_info_t *cinfo; int client; int count = 0; snd_seq_client_info_alloca( &cinfo ); snd_seq_client_info_set_client( cinfo, -1 ); while ( snd_seq_query_next_client( seq, cinfo ) >= 0 ) { client = snd_seq_client_info_get_client( cinfo ); if ( client == 0 ) continue; // Reset query info snd_seq_port_info_set_client( pinfo, client ); snd_seq_port_info_set_port( pinfo, -1 ); while ( snd_seq_query_next_port( seq, pinfo ) >= 0 ) { unsigned int atyp = snd_seq_port_info_get_type( pinfo ); if ( ( ( atyp & SND_SEQ_PORT_TYPE_MIDI_GENERIC ) == 0 ) && ( ( atyp & SND_SEQ_PORT_TYPE_SYNTH ) == 0 ) && ( ( atyp & SND_SEQ_PORT_TYPE_APPLICATION ) == 0 ) ) continue; unsigned int caps = snd_seq_port_info_get_capability( pinfo ); if ( ( caps & type ) != type ) continue; if ( count == portNumber ) return 1; ++count; } } // If a negative portNumber was used, return the port count. if ( portNumber < 0 ) return count; return 0; } unsigned int MidiInAlsa :: getPortCount() { snd_seq_port_info_t *pinfo; snd_seq_port_info_alloca( &pinfo ); AlsaMidiData *data = static_cast (apiData_); return portInfo( data->seq, pinfo, SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ, -1 ); } std::string MidiInAlsa :: getPortName( unsigned int portNumber ) { snd_seq_client_info_t *cinfo; snd_seq_port_info_t *pinfo; snd_seq_client_info_alloca( &cinfo ); snd_seq_port_info_alloca( &pinfo ); std::string stringName; AlsaMidiData *data = static_cast (apiData_); if ( portInfo( data->seq, pinfo, SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ, (int) portNumber ) ) { int cnum = snd_seq_port_info_get_client( pinfo ); snd_seq_get_any_client_info( data->seq, cnum, cinfo ); std::ostringstream os; os << snd_seq_client_info_get_name( cinfo ); os << ":"; os << snd_seq_port_info_get_name( pinfo ); os << " "; // These lines added to make sure devices are listed os << snd_seq_port_info_get_client( pinfo ); // with full portnames added to ensure individual device names os << ":"; os << snd_seq_port_info_get_port( pinfo ); stringName = os.str(); return stringName; } // If we get here, we didn't find a match. errorString_ = "MidiInAlsa::getPortName: error looking for port name!"; error( RtMidiError::WARNING, errorString_ ); return stringName; } void MidiInAlsa :: openPort( unsigned int portNumber, const std::string &portName ) { if ( connected_ ) { errorString_ = "MidiInAlsa::openPort: a valid connection already exists!"; error( RtMidiError::WARNING, errorString_ ); return; } unsigned int nSrc = this->getPortCount(); if ( nSrc < 1 ) { errorString_ = "MidiInAlsa::openPort: no MIDI input sources found!"; error( RtMidiError::NO_DEVICES_FOUND, errorString_ ); return; } snd_seq_port_info_t *src_pinfo; snd_seq_port_info_alloca( &src_pinfo ); AlsaMidiData *data = static_cast (apiData_); if ( portInfo( data->seq, src_pinfo, SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ, (int) portNumber ) == 0 ) { std::ostringstream ost; ost << "MidiInAlsa::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } snd_seq_addr_t sender, receiver; sender.client = snd_seq_port_info_get_client( src_pinfo ); sender.port = snd_seq_port_info_get_port( src_pinfo ); receiver.client = snd_seq_client_id( data->seq ); snd_seq_port_info_t *pinfo; snd_seq_port_info_alloca( &pinfo ); if ( data->vport < 0 ) { snd_seq_port_info_set_client( pinfo, 0 ); snd_seq_port_info_set_port( pinfo, 0 ); snd_seq_port_info_set_capability( pinfo, SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE ); snd_seq_port_info_set_type( pinfo, SND_SEQ_PORT_TYPE_MIDI_GENERIC | SND_SEQ_PORT_TYPE_APPLICATION ); snd_seq_port_info_set_midi_channels(pinfo, 16); #ifndef AVOID_TIMESTAMPING snd_seq_port_info_set_timestamping( pinfo, 1 ); snd_seq_port_info_set_timestamp_real( pinfo, 1 ); snd_seq_port_info_set_timestamp_queue( pinfo, data->queue_id ); #endif snd_seq_port_info_set_name( pinfo, portName.c_str() ); data->vport = snd_seq_create_port( data->seq, pinfo ); if ( data->vport < 0 ) { errorString_ = "MidiInAlsa::openPort: ALSA error creating input port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } data->vport = snd_seq_port_info_get_port( pinfo ); } receiver.port = data->vport; if ( !data->subscription ) { // Make subscription if ( snd_seq_port_subscribe_malloc( &data->subscription ) < 0 ) { errorString_ = "MidiInAlsa::openPort: ALSA error allocation port subscription."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } snd_seq_port_subscribe_set_sender( data->subscription, &sender ); snd_seq_port_subscribe_set_dest( data->subscription, &receiver ); if ( snd_seq_subscribe_port( data->seq, data->subscription ) ) { snd_seq_port_subscribe_free( data->subscription ); data->subscription = 0; errorString_ = "MidiInAlsa::openPort: ALSA error making port connection."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } } if ( inputData_.doInput == false ) { // Start the input queue #ifndef AVOID_TIMESTAMPING snd_seq_start_queue( data->seq, data->queue_id, NULL ); snd_seq_drain_output( data->seq ); #endif // Start our MIDI input thread. pthread_attr_t attr; pthread_attr_init( &attr ); pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_JOINABLE ); pthread_attr_setschedpolicy( &attr, SCHED_OTHER ); inputData_.doInput = true; int err = pthread_create( &data->thread, &attr, alsaMidiHandler, &inputData_ ); pthread_attr_destroy( &attr ); if ( err ) { snd_seq_unsubscribe_port( data->seq, data->subscription ); snd_seq_port_subscribe_free( data->subscription ); data->subscription = 0; inputData_.doInput = false; errorString_ = "MidiInAlsa::openPort: error starting MIDI input thread!"; error( RtMidiError::THREAD_ERROR, errorString_ ); return; } } connected_ = true; } void MidiInAlsa :: openVirtualPort( const std::string &portName ) { AlsaMidiData *data = static_cast (apiData_); if ( data->vport < 0 ) { snd_seq_port_info_t *pinfo; snd_seq_port_info_alloca( &pinfo ); snd_seq_port_info_set_capability( pinfo, SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE ); snd_seq_port_info_set_type( pinfo, SND_SEQ_PORT_TYPE_MIDI_GENERIC | SND_SEQ_PORT_TYPE_APPLICATION ); snd_seq_port_info_set_midi_channels( pinfo, 16 ); #ifndef AVOID_TIMESTAMPING snd_seq_port_info_set_timestamping( pinfo, 1 ); snd_seq_port_info_set_timestamp_real( pinfo, 1 ); snd_seq_port_info_set_timestamp_queue( pinfo, data->queue_id ); #endif snd_seq_port_info_set_name( pinfo, portName.c_str() ); data->vport = snd_seq_create_port( data->seq, pinfo ); if ( data->vport < 0 ) { errorString_ = "MidiInAlsa::openVirtualPort: ALSA error creating virtual port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } data->vport = snd_seq_port_info_get_port( pinfo ); } if ( inputData_.doInput == false ) { // Wait for old thread to stop, if still running if ( !pthread_equal( data->thread, data->dummy_thread_id ) ) pthread_join( data->thread, NULL ); // Start the input queue #ifndef AVOID_TIMESTAMPING snd_seq_start_queue( data->seq, data->queue_id, NULL ); snd_seq_drain_output( data->seq ); #endif // Start our MIDI input thread. pthread_attr_t attr; pthread_attr_init( &attr ); pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_JOINABLE ); pthread_attr_setschedpolicy( &attr, SCHED_OTHER ); inputData_.doInput = true; int err = pthread_create( &data->thread, &attr, alsaMidiHandler, &inputData_ ); pthread_attr_destroy( &attr ); if ( err ) { if ( data->subscription ) { snd_seq_unsubscribe_port( data->seq, data->subscription ); snd_seq_port_subscribe_free( data->subscription ); data->subscription = 0; } inputData_.doInput = false; errorString_ = "MidiInAlsa::openPort: error starting MIDI input thread!"; error( RtMidiError::THREAD_ERROR, errorString_ ); return; } } } void MidiInAlsa :: closePort( void ) { AlsaMidiData *data = static_cast (apiData_); if ( connected_ ) { if ( data->subscription ) { snd_seq_unsubscribe_port( data->seq, data->subscription ); snd_seq_port_subscribe_free( data->subscription ); data->subscription = 0; } // Stop the input queue #ifndef AVOID_TIMESTAMPING snd_seq_stop_queue( data->seq, data->queue_id, NULL ); snd_seq_drain_output( data->seq ); #endif connected_ = false; } // Stop thread to avoid triggering the callback, while the port is intended to be closed if ( inputData_.doInput ) { inputData_.doInput = false; int res = write( data->trigger_fds[1], &inputData_.doInput, sizeof( inputData_.doInput ) ); (void) res; if ( !pthread_equal( data->thread, data->dummy_thread_id ) ) pthread_join( data->thread, NULL ); } } void MidiInAlsa :: setClientName( const std::string &clientName ) { AlsaMidiData *data = static_cast ( apiData_ ); snd_seq_set_client_name( data->seq, clientName.c_str() ); } void MidiInAlsa :: setPortName( const std::string &portName ) { AlsaMidiData *data = static_cast (apiData_); snd_seq_port_info_t *pinfo; snd_seq_port_info_alloca( &pinfo ); snd_seq_get_port_info( data->seq, data->vport, pinfo ); snd_seq_port_info_set_name( pinfo, portName.c_str() ); snd_seq_set_port_info( data->seq, data->vport, pinfo ); } //*********************************************************************// // API: LINUX ALSA // Class Definitions: MidiOutAlsa //*********************************************************************// MidiOutAlsa :: MidiOutAlsa( const std::string &clientName ) : MidiOutApi() { MidiOutAlsa::initialize( clientName ); } MidiOutAlsa :: ~MidiOutAlsa() { // Close a connection if it exists. MidiOutAlsa::closePort(); // Cleanup. AlsaMidiData *data = static_cast (apiData_); if ( data->vport >= 0 ) snd_seq_delete_port( data->seq, data->vport ); if ( data->coder ) snd_midi_event_free( data->coder ); if ( data->buffer ) free( data->buffer ); snd_seq_close( data->seq ); delete data; } void MidiOutAlsa :: initialize( const std::string& clientName ) { // Set up the ALSA sequencer client. snd_seq_t *seq; int result1 = snd_seq_open( &seq, "default", SND_SEQ_OPEN_OUTPUT, SND_SEQ_NONBLOCK ); if ( result1 < 0 ) { errorString_ = "MidiOutAlsa::initialize: error creating ALSA sequencer client object."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Set client name. snd_seq_set_client_name( seq, clientName.c_str() ); // Save our api-specific connection information. AlsaMidiData *data = (AlsaMidiData *) new AlsaMidiData; data->seq = seq; data->portNum = -1; data->vport = -1; data->bufferSize = 32; data->coder = 0; data->buffer = 0; int result = snd_midi_event_new( data->bufferSize, &data->coder ); if ( result < 0 ) { delete data; errorString_ = "MidiOutAlsa::initialize: error initializing MIDI event parser!\n\n"; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } data->buffer = (unsigned char *) malloc( data->bufferSize ); if ( data->buffer == NULL ) { delete data; errorString_ = "MidiOutAlsa::initialize: error allocating buffer memory!\n\n"; error( RtMidiError::MEMORY_ERROR, errorString_ ); return; } snd_midi_event_init( data->coder ); apiData_ = (void *) data; } unsigned int MidiOutAlsa :: getPortCount() { snd_seq_port_info_t *pinfo; snd_seq_port_info_alloca( &pinfo ); AlsaMidiData *data = static_cast (apiData_); return portInfo( data->seq, pinfo, SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE, -1 ); } std::string MidiOutAlsa :: getPortName( unsigned int portNumber ) { snd_seq_client_info_t *cinfo; snd_seq_port_info_t *pinfo; snd_seq_client_info_alloca( &cinfo ); snd_seq_port_info_alloca( &pinfo ); std::string stringName; AlsaMidiData *data = static_cast (apiData_); if ( portInfo( data->seq, pinfo, SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE, (int) portNumber ) ) { int cnum = snd_seq_port_info_get_client( pinfo ); snd_seq_get_any_client_info( data->seq, cnum, cinfo ); std::ostringstream os; os << snd_seq_client_info_get_name( cinfo ); os << ":"; os << snd_seq_port_info_get_name( pinfo ); os << " "; // These lines added to make sure devices are listed os << snd_seq_port_info_get_client( pinfo ); // with full portnames added to ensure individual device names os << ":"; os << snd_seq_port_info_get_port( pinfo ); stringName = os.str(); return stringName; } // If we get here, we didn't find a match. errorString_ = "MidiOutAlsa::getPortName: error looking for port name!"; error( RtMidiError::WARNING, errorString_ ); return stringName; } void MidiOutAlsa :: openPort( unsigned int portNumber, const std::string &portName ) { if ( connected_ ) { errorString_ = "MidiOutAlsa::openPort: a valid connection already exists!"; error( RtMidiError::WARNING, errorString_ ); return; } unsigned int nSrc = this->getPortCount(); if ( nSrc < 1 ) { errorString_ = "MidiOutAlsa::openPort: no MIDI output sources found!"; error( RtMidiError::NO_DEVICES_FOUND, errorString_ ); return; } snd_seq_port_info_t *pinfo; snd_seq_port_info_alloca( &pinfo ); AlsaMidiData *data = static_cast (apiData_); if ( portInfo( data->seq, pinfo, SND_SEQ_PORT_CAP_WRITE|SND_SEQ_PORT_CAP_SUBS_WRITE, (int) portNumber ) == 0 ) { std::ostringstream ost; ost << "MidiOutAlsa::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } snd_seq_addr_t sender, receiver; receiver.client = snd_seq_port_info_get_client( pinfo ); receiver.port = snd_seq_port_info_get_port( pinfo ); sender.client = snd_seq_client_id( data->seq ); if ( data->vport < 0 ) { data->vport = snd_seq_create_simple_port( data->seq, portName.c_str(), SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ, SND_SEQ_PORT_TYPE_MIDI_GENERIC|SND_SEQ_PORT_TYPE_APPLICATION ); if ( data->vport < 0 ) { errorString_ = "MidiOutAlsa::openPort: ALSA error creating output port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } } sender.port = data->vport; // Make subscription if ( snd_seq_port_subscribe_malloc( &data->subscription ) < 0 ) { snd_seq_port_subscribe_free( data->subscription ); errorString_ = "MidiOutAlsa::openPort: error allocating port subscription."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } snd_seq_port_subscribe_set_sender( data->subscription, &sender ); snd_seq_port_subscribe_set_dest( data->subscription, &receiver ); snd_seq_port_subscribe_set_time_update( data->subscription, 1 ); snd_seq_port_subscribe_set_time_real( data->subscription, 1 ); if ( snd_seq_subscribe_port( data->seq, data->subscription ) ) { snd_seq_port_subscribe_free( data->subscription ); errorString_ = "MidiOutAlsa::openPort: ALSA error making port connection."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } connected_ = true; } void MidiOutAlsa :: closePort( void ) { if ( connected_ ) { AlsaMidiData *data = static_cast (apiData_); snd_seq_unsubscribe_port( data->seq, data->subscription ); snd_seq_port_subscribe_free( data->subscription ); data->subscription = 0; connected_ = false; } } void MidiOutAlsa :: setClientName( const std::string &clientName ) { AlsaMidiData *data = static_cast ( apiData_ ); snd_seq_set_client_name( data->seq, clientName.c_str() ); } void MidiOutAlsa :: setPortName( const std::string &portName ) { AlsaMidiData *data = static_cast (apiData_); snd_seq_port_info_t *pinfo; snd_seq_port_info_alloca( &pinfo ); snd_seq_get_port_info( data->seq, data->vport, pinfo ); snd_seq_port_info_set_name( pinfo, portName.c_str() ); snd_seq_set_port_info( data->seq, data->vport, pinfo ); } void MidiOutAlsa :: openVirtualPort( const std::string &portName ) { AlsaMidiData *data = static_cast (apiData_); if ( data->vport < 0 ) { data->vport = snd_seq_create_simple_port( data->seq, portName.c_str(), SND_SEQ_PORT_CAP_READ|SND_SEQ_PORT_CAP_SUBS_READ, SND_SEQ_PORT_TYPE_MIDI_GENERIC|SND_SEQ_PORT_TYPE_APPLICATION ); if ( data->vport < 0 ) { errorString_ = "MidiOutAlsa::openVirtualPort: ALSA error creating virtual port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); } } } void MidiOutAlsa :: sendMessage( const unsigned char *message, size_t size ) { long result; AlsaMidiData *data = static_cast (apiData_); unsigned int nBytes = static_cast (size); if ( nBytes > data->bufferSize ) { data->bufferSize = nBytes; result = snd_midi_event_resize_buffer( data->coder, nBytes ); if ( result != 0 ) { errorString_ = "MidiOutAlsa::sendMessage: ALSA error resizing MIDI event buffer."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } free (data->buffer); data->buffer = (unsigned char *) malloc( data->bufferSize ); if ( data->buffer == NULL ) { errorString_ = "MidiOutAlsa::initialize: error allocating buffer memory!\n\n"; error( RtMidiError::MEMORY_ERROR, errorString_ ); return; } } for ( unsigned int i=0; ibuffer[i] = message[i]; unsigned int offset = 0; while (offset < nBytes) { snd_seq_event_t ev; snd_seq_ev_clear( &ev ); snd_seq_ev_set_source( &ev, data->vport ); snd_seq_ev_set_subs( &ev ); snd_seq_ev_set_direct( &ev ); result = snd_midi_event_encode( data->coder, data->buffer + offset, (long)(nBytes - offset), &ev ); if ( result < 0 ) { errorString_ = "MidiOutAlsa::sendMessage: event parsing error!"; error( RtMidiError::WARNING, errorString_ ); return; } if ( ev.type == SND_SEQ_EVENT_NONE ) { errorString_ = "MidiOutAlsa::sendMessage: incomplete message!"; error( RtMidiError::WARNING, errorString_ ); return; } offset += result; // Send the event. result = snd_seq_event_output( data->seq, &ev ); if ( result < 0 ) { errorString_ = "MidiOutAlsa::sendMessage: error sending MIDI message to port."; error( RtMidiError::WARNING, errorString_ ); return; } } snd_seq_drain_output( data->seq ); } #endif // __LINUX_ALSA__ //*********************************************************************// // API: Windows Multimedia Library (MM) //*********************************************************************// // API information deciphered from: // - http://msdn.microsoft.com/library/default.asp?url=/library/en-us/multimed/htm/_win32_midi_reference.asp // Thanks to Jean-Baptiste Berruchon for the sysex code. #if defined(__WINDOWS_MM__) // The Windows MM API is based on the use of a callback function for // MIDI input. We convert the system specific time stamps to delta // time values. // Windows MM MIDI header files. #include #include // Convert a null-terminated wide string or ANSI-encoded string to UTF-8. static std::string ConvertToUTF8(const TCHAR *str) { std::string u8str; const WCHAR *wstr = L""; #if defined( UNICODE ) || defined( _UNICODE ) wstr = str; #else // Convert from ANSI encoding to wide string int wlength = MultiByteToWideChar( CP_ACP, 0, str, -1, NULL, 0 ); std::wstring wstrtemp; if ( wlength ) { wstrtemp.assign( wlength - 1, 0 ); MultiByteToWideChar( CP_ACP, 0, str, -1, &wstrtemp[0], wlength ); wstr = &wstrtemp[0]; } #endif // Convert from wide string to UTF-8 int length = WideCharToMultiByte( CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL ); if ( length ) { u8str.assign( length - 1, 0 ); length = WideCharToMultiByte( CP_UTF8, 0, wstr, -1, &u8str[0], length, NULL, NULL ); } return u8str; } // A structure to hold variables related to the CoreMIDI API // implementation. struct WinMidiData { HMIDIIN inHandle; // Handle to Midi Input Device HMIDIOUT outHandle; // Handle to Midi Output Device DWORD lastTime; MidiInApi::MidiMessage message; std::vector sysexBuffer; CRITICAL_SECTION _mutex; // [Patrice] see https://groups.google.com/forum/#!topic/mididev/6OUjHutMpEo }; //*********************************************************************// // API: Windows MM // Class Definitions: MidiInWinMM //*********************************************************************// static void CALLBACK midiInputCallback( HMIDIIN /*hmin*/, UINT inputStatus, DWORD_PTR instancePtr, DWORD_PTR midiMessage, DWORD timestamp ) { if ( inputStatus != MIM_DATA && inputStatus != MIM_LONGDATA && inputStatus != MIM_LONGERROR ) return; //MidiInApi::RtMidiInData *data = static_cast (instancePtr); MidiInApi::RtMidiInData *data = (MidiInApi::RtMidiInData *)instancePtr; WinMidiData *apiData = static_cast (data->apiData); // Calculate time stamp. if ( data->firstMessage == true ) { apiData->message.timeStamp = 0.0; data->firstMessage = false; } else apiData->message.timeStamp = (double) ( timestamp - apiData->lastTime ) * 0.001; if ( inputStatus == MIM_DATA ) { // Channel or system message // Make sure the first byte is a status byte. unsigned char status = (unsigned char) (midiMessage & 0x000000FF); if ( !(status & 0x80) ) return; // Determine the number of bytes in the MIDI message. unsigned short nBytes = 1; if ( status < 0xC0 ) nBytes = 3; else if ( status < 0xE0 ) nBytes = 2; else if ( status < 0xF0 ) nBytes = 3; else if ( status == 0xF1 ) { if ( data->ignoreFlags & 0x02 ) return; else nBytes = 2; } else if ( status == 0xF2 ) nBytes = 3; else if ( status == 0xF3 ) nBytes = 2; else if ( status == 0xF8 && ( data->ignoreFlags & 0x02 ) ) { // A MIDI timing tick message and we're ignoring it. return; } else if ( status == 0xFE && ( data->ignoreFlags & 0x04 ) ) { // A MIDI active sensing message and we're ignoring it. return; } // Copy bytes to our MIDI message. unsigned char *ptr = (unsigned char *) &midiMessage; for ( int i=0; imessage.bytes.push_back( *ptr++ ); } else { // Sysex message ( MIM_LONGDATA or MIM_LONGERROR ) MIDIHDR *sysex = ( MIDIHDR *) midiMessage; if ( !( data->ignoreFlags & 0x01 ) && inputStatus != MIM_LONGERROR ) { // Sysex message and we're not ignoring it for ( int i=0; i<(int)sysex->dwBytesRecorded; ++i ) apiData->message.bytes.push_back( sysex->lpData[i] ); } // The WinMM API requires that the sysex buffer be requeued after // input of each sysex message. Even if we are ignoring sysex // messages, we still need to requeue the buffer in case the user // decides to not ignore sysex messages in the future. However, // it seems that WinMM calls this function with an empty sysex // buffer when an application closes and in this case, we should // avoid requeueing it, else the computer suddenly reboots after // one or two minutes. if ( apiData->sysexBuffer[sysex->dwUser]->dwBytesRecorded > 0 ) { //if ( sysex->dwBytesRecorded > 0 ) { EnterCriticalSection( &(apiData->_mutex) ); MMRESULT result = midiInAddBuffer( apiData->inHandle, apiData->sysexBuffer[sysex->dwUser], sizeof(MIDIHDR) ); LeaveCriticalSection( &(apiData->_mutex) ); if ( result != MMSYSERR_NOERROR ) std::cerr << "\nRtMidiIn::midiInputCallback: error sending sysex to Midi device!!\n\n"; if ( data->ignoreFlags & 0x01 ) return; } else return; } // Save the time of the last non-filtered message apiData->lastTime = timestamp; if ( data->usingCallback ) { RtMidiIn::RtMidiCallback callback = (RtMidiIn::RtMidiCallback) data->userCallback; callback( apiData->message.timeStamp, &apiData->message.bytes, data->userData ); } else { // As long as we haven't reached our queue size limit, push the message. if ( !data->queue.push( apiData->message ) ) std::cerr << "\nMidiInWinMM: message queue limit reached!!\n\n"; } // Clear the vector for the next input message. apiData->message.bytes.clear(); } MidiInWinMM :: MidiInWinMM( const std::string &clientName, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { MidiInWinMM::initialize( clientName ); } MidiInWinMM :: ~MidiInWinMM() { // Close a connection if it exists. MidiInWinMM::closePort(); WinMidiData *data = static_cast (apiData_); DeleteCriticalSection( &(data->_mutex) ); // Cleanup. delete data; } void MidiInWinMM :: initialize( const std::string& /*clientName*/ ) { // We'll issue a warning here if no devices are available but not // throw an error since the user can plugin something later. unsigned int nDevices = midiInGetNumDevs(); if ( nDevices == 0 ) { errorString_ = "MidiInWinMM::initialize: no MIDI input devices currently available."; error( RtMidiError::WARNING, errorString_ ); } // Save our api-specific connection information. WinMidiData *data = (WinMidiData *) new WinMidiData; apiData_ = (void *) data; inputData_.apiData = (void *) data; data->message.bytes.clear(); // needs to be empty for first input message if ( !InitializeCriticalSectionAndSpinCount( &(data->_mutex), 0x00000400 ) ) { errorString_ = "MidiInWinMM::initialize: InitializeCriticalSectionAndSpinCount failed."; error( RtMidiError::WARNING, errorString_ ); } } void MidiInWinMM :: openPort( unsigned int portNumber, const std::string &/*portName*/ ) { if ( connected_ ) { errorString_ = "MidiInWinMM::openPort: a valid connection already exists!"; error( RtMidiError::WARNING, errorString_ ); return; } unsigned int nDevices = midiInGetNumDevs(); if (nDevices == 0) { errorString_ = "MidiInWinMM::openPort: no MIDI input sources found!"; error( RtMidiError::NO_DEVICES_FOUND, errorString_ ); return; } if ( portNumber >= nDevices ) { std::ostringstream ost; ost << "MidiInWinMM::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } WinMidiData *data = static_cast (apiData_); MMRESULT result = midiInOpen( &data->inHandle, portNumber, (DWORD_PTR)&midiInputCallback, (DWORD_PTR)&inputData_, CALLBACK_FUNCTION ); if ( result != MMSYSERR_NOERROR ) { errorString_ = "MidiInWinMM::openPort: error creating Windows MM MIDI input port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Allocate and init the sysex buffers. data->sysexBuffer.resize( inputData_.bufferCount ); for ( unsigned int i=0; i < inputData_.bufferCount; ++i ) { data->sysexBuffer[i] = (MIDIHDR*) new char[ sizeof(MIDIHDR) ]; data->sysexBuffer[i]->lpData = new char[ inputData_.bufferSize ]; data->sysexBuffer[i]->dwBufferLength = inputData_.bufferSize; data->sysexBuffer[i]->dwUser = i; // We use the dwUser parameter as buffer indicator data->sysexBuffer[i]->dwFlags = 0; result = midiInPrepareHeader( data->inHandle, data->sysexBuffer[i], sizeof(MIDIHDR) ); if ( result != MMSYSERR_NOERROR ) { midiInClose( data->inHandle ); data->inHandle = 0; errorString_ = "MidiInWinMM::openPort: error starting Windows MM MIDI input port (PrepareHeader)."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Register the buffer. result = midiInAddBuffer( data->inHandle, data->sysexBuffer[i], sizeof(MIDIHDR) ); if ( result != MMSYSERR_NOERROR ) { midiInClose( data->inHandle ); data->inHandle = 0; errorString_ = "MidiInWinMM::openPort: error starting Windows MM MIDI input port (AddBuffer)."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } } result = midiInStart( data->inHandle ); if ( result != MMSYSERR_NOERROR ) { midiInClose( data->inHandle ); data->inHandle = 0; errorString_ = "MidiInWinMM::openPort: error starting Windows MM MIDI input port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } connected_ = true; } void MidiInWinMM :: openVirtualPort( const std::string &/*portName*/ ) { // This function cannot be implemented for the Windows MM MIDI API. errorString_ = "MidiInWinMM::openVirtualPort: cannot be implemented in Windows MM MIDI API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiInWinMM :: closePort( void ) { if ( connected_ ) { WinMidiData *data = static_cast (apiData_); EnterCriticalSection( &(data->_mutex) ); midiInReset( data->inHandle ); midiInStop( data->inHandle ); for ( size_t i=0; i < data->sysexBuffer.size(); ++i ) { int result = midiInUnprepareHeader(data->inHandle, data->sysexBuffer[i], sizeof(MIDIHDR)); delete [] data->sysexBuffer[i]->lpData; delete [] data->sysexBuffer[i]; if ( result != MMSYSERR_NOERROR ) { midiInClose( data->inHandle ); data->inHandle = 0; errorString_ = "MidiInWinMM::openPort: error closing Windows MM MIDI input port (midiInUnprepareHeader)."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } } midiInClose( data->inHandle ); data->inHandle = 0; connected_ = false; LeaveCriticalSection( &(data->_mutex) ); } } void MidiInWinMM :: setClientName ( const std::string& ) { errorString_ = "MidiInWinMM::setClientName: this function is not implemented for the WINDOWS_MM API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiInWinMM :: setPortName ( const std::string& ) { errorString_ = "MidiInWinMM::setPortName: this function is not implemented for the WINDOWS_MM API!"; error( RtMidiError::WARNING, errorString_ ); } unsigned int MidiInWinMM :: getPortCount() { return midiInGetNumDevs(); } std::string MidiInWinMM :: getPortName( unsigned int portNumber ) { std::string stringName; unsigned int nDevices = midiInGetNumDevs(); if ( portNumber >= nDevices ) { std::ostringstream ost; ost << "MidiInWinMM::getPortName: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::WARNING, errorString_ ); return stringName; } MIDIINCAPS deviceCaps; midiInGetDevCaps( portNumber, &deviceCaps, sizeof(MIDIINCAPS)); stringName = ConvertToUTF8( deviceCaps.szPname ); // Next lines added to add the portNumber to the name so that // the device's names are sure to be listed with individual names // even when they have the same brand name #ifndef RTMIDI_DO_NOT_ENSURE_UNIQUE_PORTNAMES std::ostringstream os; os << " "; os << portNumber; stringName += os.str(); #endif return stringName; } //*********************************************************************// // API: Windows MM // Class Definitions: MidiOutWinMM //*********************************************************************// MidiOutWinMM :: MidiOutWinMM( const std::string &clientName ) : MidiOutApi() { MidiOutWinMM::initialize( clientName ); } MidiOutWinMM :: ~MidiOutWinMM() { // Close a connection if it exists. MidiOutWinMM::closePort(); // Cleanup. WinMidiData *data = static_cast (apiData_); delete data; } void MidiOutWinMM :: initialize( const std::string& /*clientName*/ ) { // We'll issue a warning here if no devices are available but not // throw an error since the user can plug something in later. unsigned int nDevices = midiOutGetNumDevs(); if ( nDevices == 0 ) { errorString_ = "MidiOutWinMM::initialize: no MIDI output devices currently available."; error( RtMidiError::WARNING, errorString_ ); } // Save our api-specific connection information. WinMidiData *data = (WinMidiData *) new WinMidiData; apiData_ = (void *) data; } unsigned int MidiOutWinMM :: getPortCount() { return midiOutGetNumDevs(); } std::string MidiOutWinMM :: getPortName( unsigned int portNumber ) { std::string stringName; unsigned int nDevices = midiOutGetNumDevs(); if ( portNumber >= nDevices ) { std::ostringstream ost; ost << "MidiOutWinMM::getPortName: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::WARNING, errorString_ ); return stringName; } MIDIOUTCAPS deviceCaps; midiOutGetDevCaps( portNumber, &deviceCaps, sizeof( MIDIOUTCAPS ) ); stringName = ConvertToUTF8( deviceCaps.szPname ); // Next lines added to add the portNumber to the name so that // the device's names are sure to be listed with individual names // even when they have the same brand name std::ostringstream os; #ifndef RTMIDI_DO_NOT_ENSURE_UNIQUE_PORTNAMES os << " "; os << portNumber; stringName += os.str(); #endif return stringName; } void MidiOutWinMM :: openPort( unsigned int portNumber, const std::string &/*portName*/ ) { if ( connected_ ) { errorString_ = "MidiOutWinMM::openPort: a valid connection already exists!"; error( RtMidiError::WARNING, errorString_ ); return; } unsigned int nDevices = midiOutGetNumDevs(); if ( nDevices < 1 ) { errorString_ = "MidiOutWinMM::openPort: no MIDI output destinations found!"; error( RtMidiError::NO_DEVICES_FOUND, errorString_ ); return; } if ( portNumber >= nDevices ) { std::ostringstream ost; ost << "MidiOutWinMM::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } WinMidiData *data = static_cast (apiData_); MMRESULT result = midiOutOpen( &data->outHandle, portNumber, (DWORD)NULL, (DWORD)NULL, CALLBACK_NULL ); if ( result != MMSYSERR_NOERROR ) { errorString_ = "MidiOutWinMM::openPort: error creating Windows MM MIDI output port."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } connected_ = true; } void MidiOutWinMM :: closePort( void ) { if ( connected_ ) { WinMidiData *data = static_cast (apiData_); // Disabled because midiOutReset triggers 0x7b (if any note was ON) and 0x79 "Reset All // Controllers" (to all 16 channels) CC messages which is undesirable (see issue #222) // midiOutReset( data->outHandle ); midiOutClose( data->outHandle ); data->outHandle = 0; connected_ = false; } } void MidiOutWinMM :: setClientName ( const std::string& ) { errorString_ = "MidiOutWinMM::setClientName: this function is not implemented for the WINDOWS_MM API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutWinMM :: setPortName ( const std::string& ) { errorString_ = "MidiOutWinMM::setPortName: this function is not implemented for the WINDOWS_MM API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutWinMM :: openVirtualPort( const std::string &/*portName*/ ) { // This function cannot be implemented for the Windows MM MIDI API. errorString_ = "MidiOutWinMM::openVirtualPort: cannot be implemented in Windows MM MIDI API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutWinMM :: sendMessage( const unsigned char *message, size_t size ) { if ( !connected_ ) return; unsigned int nBytes = static_cast(size); if ( nBytes == 0 ) { errorString_ = "MidiOutWinMM::sendMessage: message argument is empty!"; error( RtMidiError::WARNING, errorString_ ); return; } MMRESULT result; WinMidiData *data = static_cast (apiData_); if ( message[0] == 0xF0 ) { // Sysex message // Allocate buffer for sysex data. char *buffer = (char *) malloc( nBytes ); if ( buffer == NULL ) { errorString_ = "MidiOutWinMM::sendMessage: error allocating sysex message memory!"; error( RtMidiError::MEMORY_ERROR, errorString_ ); return; } // Copy data to buffer. for ( unsigned int i=0; ioutHandle, &sysex, sizeof( MIDIHDR ) ); if ( result != MMSYSERR_NOERROR ) { free( buffer ); errorString_ = "MidiOutWinMM::sendMessage: error preparing sysex header."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Send the message. result = midiOutLongMsg( data->outHandle, &sysex, sizeof( MIDIHDR ) ); if ( result != MMSYSERR_NOERROR ) { free( buffer ); errorString_ = "MidiOutWinMM::sendMessage: error sending sysex message."; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Unprepare the buffer and MIDIHDR. while ( MIDIERR_STILLPLAYING == midiOutUnprepareHeader( data->outHandle, &sysex, sizeof ( MIDIHDR ) ) ) Sleep( 1 ); free( buffer ); } else { // Channel or system message. // Make sure the message size isn't too big. if ( nBytes > 3 ) { errorString_ = "MidiOutWinMM::sendMessage: message size is greater than 3 bytes (and not sysex)!"; error( RtMidiError::WARNING, errorString_ ); return; } // Pack MIDI bytes into double word. DWORD packet; unsigned char *ptr = (unsigned char *) &packet; for ( unsigned int i=0; ioutHandle, packet ); if ( result != MMSYSERR_NOERROR ) { errorString_ = "MidiOutWinMM::sendMessage: error sending MIDI message."; error( RtMidiError::DRIVER_ERROR, errorString_ ); } } } #endif // __WINDOWS_MM__ //*********************************************************************// // API: Universal Windows Platform (UWP) //*********************************************************************// // C++/WinRT // https://github.com/microsoft/cppwinrt // // UWP MIDI API // https://docs.microsoft.com/en-us/windows/uwp/audio-video-camera/midi // // Example implementation using UWP MIDI in C++/WinRT // https://github.com/trueroad/uwp_midiio #if defined(__WINDOWS_UWP__) #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace winrt; using namespace Windows::Foundation; using namespace Windows::Devices::Enumeration; using namespace Windows::Devices::Midi; using namespace Windows::Storage::Streams; using namespace Windows::Security::Cryptography; // Class for initializing C++/WinRT class UWPMidiInit { public: UWPMidiInit() { winrt::init_apartment(); } }; // Class for handling UWP MIDI class UWPMidiClass { public: // Structure to store MIDI port name and ID struct port { std::string name; std::wstring id; std::string hex_id; std::string display_name; }; UWPMidiClass(MidiApi& midi_api) : midi_api_(midi_api) { } ~UWPMidiClass() { close(); } // Initialize for MIDI IN void in_init(MidiInApi::RtMidiInData* input_data) { input_data_ = input_data; try { ports_ = list_ports(MidiInPort::GetDeviceSelector()); } catch (hresult_error const& ex) { raise_hresult_error("UWPMidiClass::in_init: ", ex); } sort_display_name(ports_); } // Initialize for MIDI OUT void out_init() { try { ports_ = list_ports(MidiOutPort::GetDeviceSelector()); fix_display_name(list_ports(MidiInPort::GetDeviceSelector()), ports_); } catch (hresult_error const& ex) { raise_hresult_error("UWPMidiClass::out_init: ", ex); } sort_display_name(ports_); } size_t get_num_ports() { return ports_.size(); } std::string get_port_name(size_t n) { return ports_[n].display_name; } bool in_open(size_t port_number); bool out_open(size_t port_number); void close(); void midi_in_callback(const MidiInPort&, const MidiMessageReceivedEventArgs& e); bool send_buffer(const unsigned char* buff, size_t len); // Raise RtMidi error for hresult error void raise_hresult_error(std::string_view message, hresult_error const& ex) { std::ostringstream ss; ss << message << "exception HRESULT 0x" << std::hex << ex.code() << ", " << utf16_to_utf8(static_cast(ex.message())) << "\n"; midi_api_.error(RtMidiError::DRIVER_ERROR, ss.str()); } // Mutex for MIDI port open/close std::mutex mtx_open_close_; // Mutex for MIDI IN message queue access std::mutex mtx_queue_; private: std::vector list_ports(winrt::hstring device_selector); void fix_display_name(const std::vector& in_ports, std::vector& out_ports); void sort_display_name(std::vector& ports); std::string utf16_to_utf8(const std::wstring_view wstr); template IMidiPort_T open(size_t port_number); // MidiApi class MidiApi& midi_api_; // List of MIDI ports std::vector ports_; // MIDI IN port MidiInPort in_port_{ nullptr }; // MIDI OUT port IMidiOutPort out_port_{ nullptr }; // Backup initial MessageReceived event token winrt::event_token before_token_; // Input data MidiInApi::RtMidiInData* input_data_{ nullptr }; // Last timestamp std::chrono::duration last_time_{ 0 }; // C++/WinRT initializer static UWPMidiInit uwp_midi_init_; // Regex pattern to extract 8 hex digits from UWP MIDI ID string static const std::wregex hex_id_pattern_; #ifndef RTMIDI_DO_NOT_ENABLE_WORKAROUND_UWP_WRONG_TIMESTAMPS // QueryPerformanceFrequency LONGLONG qpc_freq_{ 0 }; // Last QueryPerformanceCounter LONGLONG before_qpc_; // Weather overflow low occurred or not bool b_overflow_low_{ false }; // BLE-MIDI timestamp periods inline constexpr static std::chrono::duration ble_midi_period_low_{ std::chrono::milliseconds{128} }; inline constexpr static std::chrono::duration ble_midi_period_high_{ std::chrono::milliseconds{8192} }; // QPC threshold 4096 ms inline constexpr static LONGLONG qpc_threshold_{ 4096 }; // Regex pattern to detect BLE-MIDI IN static const std::wregex ble_midi_pattern_; #endif }; // C++/WinRT initializer UWPMidiInit UWPMidiClass::uwp_midi_init_; // Regex pattern to extract 8 hex digits from UWP MIDI ID string const std::wregex UWPMidiClass::hex_id_pattern_{ std::wregex(L"#MIDII_([0-9A-F]{8})\\..+#") }; #ifndef RTMIDI_DO_NOT_ENABLE_WORKAROUND_UWP_WRONG_TIMESTAMPS const std::wregex UWPMidiClass::ble_midi_pattern_{ std::wregex(L"#MIDII_[0-9A-F]{8}\\.BLE[0-9]{2}#") }; #endif // Find and create a list of UWP MIDI ports std::vector UWPMidiClass::list_ports(winrt::hstring device_selector) { const auto devs{ DeviceInformation::FindAllAsync(device_selector).get() }; std::vector retval; for (const auto& d : devs) { port p; p.name = utf16_to_utf8(d.Name()); p.id = d.Id(); std::wsmatch m; if (std::regex_search(p.id, m, hex_id_pattern_)) { // Ordinary MIDI ports // Append hex digits extracted from the UWP MIDI ID string to the port name. p.hex_id = utf16_to_utf8(m[1].str()); std::ostringstream ss; ss << p.name << " [ " << p.hex_id << " ]"; p.display_name = ss.str(); } else { // Microsoft GS Wavetable Synth etc. // Unable to extract hex digits from UWP MIDI ID string. // Use the device name as the port name. p.display_name = p.name; } retval.push_back(p); } return retval; } // Fix MIDI OUT port names starting with `MIDI` to MIDI IN port names with similar ID strings void UWPMidiClass::fix_display_name(const std::vector& in_ports, std::vector& out_ports) { for (auto& outp : out_ports) { if (outp.hex_id.empty() || std::string_view{ outp.name }.substr(0, 4) != "MIDI") continue; for (const auto& inp : in_ports) { if (outp.hex_id == inp.hex_id) { outp.display_name = inp.display_name; break; } } } } void UWPMidiClass::sort_display_name(std::vector& ports) { std::sort(ports.begin(), ports.end(), [](const auto& lhs, const auto& rhs) { return lhs.display_name < rhs.display_name; }); } std::string UWPMidiClass::utf16_to_utf8(const std::wstring_view wstr) { auto len{ WideCharToMultiByte(CP_UTF8, 0, wstr.data(), static_cast(wstr.size()), nullptr, 0, nullptr, nullptr) }; std::string u8str(len, '\0'); if (len) WideCharToMultiByte(CP_UTF8, 0, wstr.data(), static_cast(wstr.size()), u8str.data(), len, nullptr, nullptr); return u8str; } // Open MIDI IN/OUT port template IMidiPort_T UWPMidiClass::open(size_t port_number) { try { auto async{ MidiPort_T::FromIdAsync(ports_[port_number].id) }; // Timeout 3 seconds if (async.wait_for(std::chrono::seconds(3)) == AsyncStatus::Completed) return async.GetResults(); } catch (hresult_error const& ex) { raise_hresult_error("UWPMidiClass::open: ", ex); } return nullptr; } // Open MIDI IN port bool UWPMidiClass::in_open(size_t port_number) { if (in_port_) in_port_.Close(); in_port_ = open(port_number); if (!in_port_) return false; #ifndef RTMIDI_DO_NOT_ENABLE_WORKAROUND_UWP_WRONG_TIMESTAMPS std::wsmatch m; if (std::regex_search(ports_[port_number].id, m, ble_midi_pattern_)) { // BLE-MIDI IN port LARGE_INTEGER li; if (::QueryPerformanceFrequency(&li)) qpc_freq_ = li.QuadPart; } #endif try { before_token_ = in_port_.MessageReceived({ this, &UWPMidiClass::midi_in_callback }); } catch (hresult_error const& ex) { raise_hresult_error("UWPMidiClass::in_open: ", ex); } return true; } // Open MIDI Out port bool UWPMidiClass::out_open(size_t port_number) { if (out_port_) out_port_.Close(); out_port_ = open(port_number); if (!out_port_) return false; return true; } // Close MIDI IN/OUT port void UWPMidiClass::close() { if (in_port_) { if (before_token_) in_port_.MessageReceived(before_token_); in_port_.Close(); in_port_ = nullptr; } if (out_port_) { out_port_.Close(); out_port_ = nullptr; } } // MessageReceived event handler void UWPMidiClass::midi_in_callback(const MidiInPort&, const MidiMessageReceivedEventArgs& e) { #ifndef RTMIDI_DO_NOT_ENABLE_WORKAROUND_UWP_WRONG_TIMESTAMPS LARGE_INTEGER qpc; if (qpc_freq_) { if (!::QueryPerformanceCounter(&qpc)) qpc_freq_ = 0; } #endif const auto& m{ e.Message() }; if (!m) return; MidiInApi::MidiMessage message; const std::chrono::duration duration{ m.Timestamp() }; // Calculate time stamp. if (input_data_->firstMessage == true) { message.timeStamp = 0.0; input_data_->firstMessage = false; last_time_ = duration; #ifndef RTMIDI_DO_NOT_ENABLE_WORKAROUND_UWP_WRONG_TIMESTAMPS if (qpc_freq_) before_qpc_ = qpc.QuadPart; #endif } else { auto delta{ duration - last_time_ }; #ifndef RTMIDI_DO_NOT_ENABLE_WORKAROUND_UWP_WRONG_TIMESTAMPS if (qpc_freq_) { if (b_overflow_low_) { if (delta >= ble_midi_period_low_) { // Fix after overflow low // https://github.com/trueroad/BLE_MIDI_packet_data_set#page-7-overflow-both delta -= ble_midi_period_low_; b_overflow_low_ = false; } } else { if ((ble_midi_period_high_ - ble_midi_period_low_) < delta && delta < ble_midi_period_high_ && ((before_qpc_ - qpc.QuadPart) * 1000 / qpc_freq_) < qpc_threshold_) { // Fix overflow low // https://github.com/trueroad/BLE_MIDI_packet_data_set#page-7-overflow-low delta = delta - ble_midi_period_high_ + ble_midi_period_low_; b_overflow_low_ = true; } } before_qpc_ = qpc.QuadPart; } #endif const std::chrono::duration sec{ delta }; message.timeStamp = sec.count(); } if (((input_data_->ignoreFlags & 0x01) && (m.Type() == MidiMessageType::SystemExclusive || m.Type() == MidiMessageType::EndSystemExclusive)) || ((input_data_->ignoreFlags & 0x02) && (m.Type() == MidiMessageType::MidiTimeCode || m.Type() == MidiMessageType::TimingClock)) || ((input_data_->ignoreFlags & 0x04) && m.Type() == MidiMessageType::ActiveSensing)) { return; } const auto& raw_data{ m.RawData() }; const size_t len{ raw_data.Length() }; if (len) message.bytes.assign(raw_data.data(), raw_data.data() + len); last_time_ = duration; if (input_data_->usingCallback) { (input_data_->userCallback)(message.timeStamp, &message.bytes, input_data_->userData); } else { std::lock_guard lock(mtx_queue_); if (!input_data_->queue.push(message)) { std::cerr << "\nMidiInWinUWP: message queue limit reached!!\n\n"; } } } // Send MIDI message bool UWPMidiClass::send_buffer(const unsigned char* buff, size_t len) { if (!out_port_) return false; try { out_port_.SendBuffer(CryptographicBuffer::CreateFromByteArray(array_view(buff, buff + len))); } catch (hresult_error const& ex) { raise_hresult_error("UWPMidiClass::send_buffer: ", ex); } return true; } //*********************************************************************// // API: Windows UWP // Class Definitions: MidiInWinUWP //*********************************************************************// MidiInWinUWP::MidiInWinUWP(const std::string& clientName, unsigned int queueSizeLimit) : MidiInApi(queueSizeLimit) { MidiInWinUWP::initialize(clientName); } MidiInWinUWP :: ~MidiInWinUWP() { // Close a connection if it exists. MidiInWinUWP::closePort(); // Cleanup. UWPMidiClass *data = static_cast (apiData_); delete data; } void MidiInWinUWP::initialize(const std::string& /*clientName*/) { // Save our api-specific connection information. UWPMidiClass* data{ new UWPMidiClass(*this) }; data->in_init(&inputData_); apiData_ = static_cast(data); // We'll issue a warning here if no devices are available but not // throw an error since the user can plugin something later. const auto nDevices{ data->get_num_ports() }; if (nDevices == 0) { errorString_ = "MidiInWinUWP::initialize: no MIDI input devices currently available."; error(RtMidiError::WARNING, errorString_); } } void MidiInWinUWP::openPort(unsigned int portNumber, const std::string&/*portName*/) { UWPMidiClass* data{ static_cast(apiData_) }; std::lock_guard lock(data->mtx_open_close_); if (connected_) { errorString_ = "MidiInWinUWP::openPort: a valid connection already exists!"; error(RtMidiError::WARNING, errorString_); return; } if (data->get_num_ports() == 0) { errorString_ = "MidiInWinUWP::openPort: no MIDI input sources found!"; error(RtMidiError::NO_DEVICES_FOUND, errorString_); return; } if (portNumber >= data->get_num_ports()) { std::ostringstream ost; ost << "MidiInWinUWP::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error(RtMidiError::INVALID_PARAMETER, errorString_); return; } if (!data->in_open(portNumber)) { errorString_ = "MidiInWinUWP::openPort: error creating Windows UWP MIDI input port."; error(RtMidiError::DRIVER_ERROR, errorString_); return; } connected_ = true; } void MidiInWinUWP::openVirtualPort(const std::string&/*portName*/) { // This function cannot be implemented for the Windows UWP MIDI API. errorString_ = "MidiInWinUWP::openVirtualPort: cannot be implemented in Windows UWP MIDI API!"; error(RtMidiError::WARNING, errorString_); } void MidiInWinUWP::closePort(void) { UWPMidiClass* data{ static_cast(apiData_) }; std::lock_guard lock(data->mtx_open_close_); if (connected_) { data->close(); connected_ = false; } } void MidiInWinUWP::setClientName(const std::string&) { errorString_ = "MidiInWinUWP::setClientName: this function is not implemented for the WINDOWS_UWP API!"; error(RtMidiError::WARNING, errorString_); } void MidiInWinUWP::setPortName(const std::string&) { errorString_ = "MidiInWinUWP::setPortName: this function is not implemented for the WINDOWS_UWP API!"; error(RtMidiError::WARNING, errorString_); } unsigned int MidiInWinUWP::getPortCount() { UWPMidiClass* data{ static_cast(apiData_) }; return static_cast(data->get_num_ports()); } std::string MidiInWinUWP::getPortName(unsigned int portNumber) { UWPMidiClass* data{ static_cast(apiData_) }; const auto nDevices{ data->get_num_ports() }; if (portNumber >= nDevices) { std::ostringstream ost; ost << "MidiInWinUWP::getPortName: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error(RtMidiError::WARNING, errorString_); return ""; } return data->get_port_name(portNumber); } double MidiInWinUWP::getMessage(std::vector* message) { UWPMidiClass* data{ static_cast(apiData_) }; std::lock_guard lock(data->mtx_queue_); return MidiInApi::getMessage(message); } //*********************************************************************// // API: Windows UWP // Class Definitions: MidiOutWinUWP //*********************************************************************// MidiOutWinUWP::MidiOutWinUWP(const std::string& clientName) : MidiOutApi() { MidiOutWinUWP::initialize(clientName); } MidiOutWinUWP :: ~MidiOutWinUWP() { // Close a connection if it exists. MidiOutWinUWP::closePort(); // Cleanup. UWPMidiClass* data = static_cast (apiData_); delete data; } void MidiOutWinUWP::initialize(const std::string& /*clientName*/) { // Save our api-specific connection information. UWPMidiClass* data{ new UWPMidiClass(*this) }; data->out_init(); apiData_ = static_cast(data); // We'll issue a warning here if no devices are available but not // throw an error since the user can plug something in later. const auto nDevices{ data->get_num_ports() }; if (nDevices == 0) { errorString_ = "MidiOutWinUWP::initialize: no MIDI output devices currently available."; error(RtMidiError::WARNING, errorString_); } } unsigned int MidiOutWinUWP::getPortCount() { UWPMidiClass* data{ static_cast(apiData_) }; return static_cast(data->get_num_ports()); } std::string MidiOutWinUWP::getPortName(unsigned int portNumber) { UWPMidiClass* data{ static_cast(apiData_) }; const auto nDevices{ data->get_num_ports() }; if (portNumber >= nDevices) { std::ostringstream ost; ost << "MidiOutWinUWP::getPortName: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error(RtMidiError::WARNING, errorString_); return ""; } return data->get_port_name(portNumber); } void MidiOutWinUWP::openPort(unsigned int portNumber, const std::string&/*portName*/) { UWPMidiClass* data{ static_cast(apiData_) }; std::lock_guard lock(data->mtx_open_close_); if (connected_) { errorString_ = "MidiOutWinUWP::openPort: a valid connection already exists!"; error(RtMidiError::WARNING, errorString_); return; } if (data->get_num_ports() == 0) { errorString_ = "MidiOutWinUWP::openPort: no MIDI output destinations found!"; error(RtMidiError::NO_DEVICES_FOUND, errorString_); return; } if (portNumber >= data->get_num_ports()) { std::ostringstream ost; ost << "MidiOutWinUWP::openPort: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error(RtMidiError::INVALID_PARAMETER, errorString_); return; } if (!data->out_open(portNumber)) { errorString_ = "MidiOutWinUWP::openPort: error creating Windows UWP MIDI output port."; error(RtMidiError::DRIVER_ERROR, errorString_); return; } connected_ = true; } void MidiOutWinUWP::closePort(void) { UWPMidiClass* data{ static_cast(apiData_) }; std::lock_guard lock(data->mtx_open_close_); if (connected_) { data->close(); connected_ = false; } } void MidiOutWinUWP::setClientName(const std::string&) { errorString_ = "MidiOutWinUWP::setClientName: this function is not implemented for the WINDOWS_UWP API!"; error(RtMidiError::WARNING, errorString_); } void MidiOutWinUWP::setPortName(const std::string&) { errorString_ = "MidiOutWinUWP::setPortName: this function is not implemented for the WINDOWS_UWP API!"; error(RtMidiError::WARNING, errorString_); } void MidiOutWinUWP::openVirtualPort(const std::string&/*portName*/) { // This function cannot be implemented for the Windows UWP MIDI API. errorString_ = "MidiOutWinUWP::openVirtualPort: cannot be implemented in Windows UWP MIDI API!"; error(RtMidiError::WARNING, errorString_); } void MidiOutWinUWP::sendMessage(const unsigned char* message, size_t size) { if (!connected_) return; if (size == 0) { errorString_ = "MidiOutWinUWP::sendMessage: message argument is empty!"; error(RtMidiError::WARNING, errorString_); return; } UWPMidiClass* data{ static_cast(apiData_) }; if (!data->send_buffer(message, size)) { errorString_ = "MidiOutWinUWP::sendMessage: error sending message."; error(RtMidiError::DRIVER_ERROR, errorString_); } } #endif // __WINDOWS_UWP__ //*********************************************************************// // API: UNIX JACK // // Written primarily by Alexander Svetalkin, with updates for delta // time by Gary Scavone, April 2011. // // *********************************************************************// #if defined(__UNIX_JACK__) // JACK header files #include #include #include #include #include #ifdef HAVE_SEMAPHORE #include #endif #define JACK_RINGBUFFER_SIZE 16384 // Default size for ringbuffer struct JackMidiData { jack_client_t *client; jack_port_t *port; jack_ringbuffer_t *buff; int buffMaxWrite; // actual writable size, usually 1 less than ringbuffer jack_time_t lastTime; #ifdef HAVE_SEMAPHORE sem_t sem_cleanup; sem_t sem_needpost; #endif MidiInApi :: RtMidiInData *rtMidiIn; }; //*********************************************************************// // API: JACK // Class Definitions: MidiInJack //*********************************************************************// static int jackProcessIn( jack_nframes_t nframes, void *arg ) { JackMidiData *jData = (JackMidiData *) arg; MidiInApi :: RtMidiInData *rtData = jData->rtMidiIn; jack_midi_event_t event; jack_time_t time; // Is port created? if ( jData->port == NULL ) return 0; void *buff = jack_port_get_buffer( jData->port, nframes ); bool& continueSysex = rtData->continueSysex; unsigned char& ignoreFlags = rtData->ignoreFlags; // We have midi events in buffer int evCount = jack_midi_get_event_count( buff ); for (int j = 0; j < evCount; j++) { MidiInApi::MidiMessage& message = rtData->message; jack_midi_event_get( &event, buff, j ); // Compute the delta time. time = jack_get_time(); if ( rtData->firstMessage == true ) { message.timeStamp = 0.0; rtData->firstMessage = false; } else message.timeStamp = ( time - jData->lastTime ) * 0.000001; jData->lastTime = time; if ( !continueSysex ) message.bytes.clear(); if ( !( ( continueSysex || event.buffer[0] == 0xF0 ) && ( ignoreFlags & 0x01 ) ) ) { // Unless this is a (possibly continued) SysEx message and we're ignoring SysEx, // copy the event buffer into the MIDI message struct. for ( unsigned int i = 0; i < event.size; i++ ) message.bytes.push_back( event.buffer[i] ); } switch ( event.buffer[0] ) { case 0xF0: // Start of a SysEx message continueSysex = event.buffer[event.size - 1] != 0xF7; if ( ignoreFlags & 0x01 ) continue; break; case 0xF1: case 0xF8: // MIDI Time Code or Timing Clock message if ( ignoreFlags & 0x02 ) continue; break; case 0xFE: // Active Sensing message if ( ignoreFlags & 0x04 ) continue; break; default: if ( continueSysex ) { // Continuation of a SysEx message continueSysex = event.buffer[event.size - 1] != 0xF7; if ( ignoreFlags & 0x01 ) continue; } // All other MIDI messages } if ( !continueSysex ) { // If not a continuation of a SysEx message, // invoke the user callback function or queue the message. if ( rtData->usingCallback ) { RtMidiIn::RtMidiCallback callback = (RtMidiIn::RtMidiCallback) rtData->userCallback; callback( message.timeStamp, &message.bytes, rtData->userData ); } else { // As long as we haven't reached our queue size limit, push the message. if ( !rtData->queue.push( message ) ) std::cerr << "\nMidiInJack: message queue limit reached!!\n\n"; } } } return 0; } MidiInJack :: MidiInJack( const std::string &clientName, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { MidiInJack::initialize( clientName ); } void MidiInJack :: initialize( const std::string& clientName ) { JackMidiData *data = new JackMidiData; apiData_ = (void *) data; data->rtMidiIn = &inputData_; data->port = NULL; data->client = NULL; this->clientName = clientName; connect(); } void MidiInJack :: connect() { JackMidiData *data = static_cast (apiData_); if ( data->client ) return; // Initialize JACK client if (( data->client = jack_client_open( clientName.c_str(), JackNoStartServer, NULL )) == 0) { errorString_ = "MidiInJack::initialize: JACK server not running?"; error( RtMidiError::WARNING, errorString_ ); return; } jack_set_process_callback( data->client, jackProcessIn, data ); jack_activate( data->client ); } MidiInJack :: ~MidiInJack() { JackMidiData *data = static_cast (apiData_); MidiInJack::closePort(); if ( data->client ) jack_client_close( data->client ); delete data; } void MidiInJack :: openPort( unsigned int portNumber, const std::string &portName ) { JackMidiData *data = static_cast (apiData_); connect(); // Creating new port if ( data->port == NULL ) data->port = jack_port_register( data->client, portName.c_str(), JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0 ); if ( data->port == NULL ) { errorString_ = "MidiInJack::openPort: JACK error creating port"; if (portName.size() >= (size_t)jack_port_name_size()) errorString_ += " (port name too long?)"; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Connecting to the output std::string name = getPortName( portNumber ); jack_connect( data->client, name.c_str(), jack_port_name( data->port ) ); connected_ = true; } void MidiInJack :: openVirtualPort( const std::string &portName ) { JackMidiData *data = static_cast (apiData_); connect(); if ( data->port == NULL ) data->port = jack_port_register( data->client, portName.c_str(), JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0 ); if ( data->port == NULL ) { errorString_ = "MidiInJack::openVirtualPort: JACK error creating virtual port"; if (portName.size() >= (size_t)jack_port_name_size()) errorString_ += " (port name too long?)"; error( RtMidiError::DRIVER_ERROR, errorString_ ); } } unsigned int MidiInJack :: getPortCount() { int count = 0; JackMidiData *data = static_cast (apiData_); connect(); if ( !data->client ) return 0; // List of available ports const char **ports = jack_get_ports( data->client, NULL, JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput ); if ( ports == NULL ) return 0; while ( ports[count] != NULL ) count++; free( ports ); return count; } std::string MidiInJack :: getPortName( unsigned int portNumber ) { JackMidiData *data = static_cast (apiData_); std::string retStr( "" ); connect(); // List of available ports const char **ports = jack_get_ports( data->client, NULL, JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput ); // Check port validity if ( ports == NULL ) { errorString_ = "MidiInJack::getPortName: no ports available!"; error( RtMidiError::WARNING, errorString_ ); return retStr; } unsigned int i; for ( i=0; i (apiData_); if ( data->port == NULL ) return; jack_port_unregister( data->client, data->port ); data->port = NULL; connected_ = false; } void MidiInJack:: setClientName( const std::string& ) { errorString_ = "MidiInJack::setClientName: this function is not implemented for the UNIX_JACK API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiInJack :: setPortName( const std::string &portName ) { JackMidiData *data = static_cast (apiData_); #ifdef JACK_HAS_PORT_RENAME jack_port_rename( data->client, data->port, portName.c_str() ); #else jack_port_set_name( data->port, portName.c_str() ); #endif } //*********************************************************************// // API: JACK // Class Definitions: MidiOutJack //*********************************************************************// // Jack process callback static int jackProcessOut( jack_nframes_t nframes, void *arg ) { JackMidiData *data = (JackMidiData *) arg; jack_midi_data_t *midiData; int space; // Is port created? if ( data->port == NULL ) return 0; void *buff = jack_port_get_buffer( data->port, nframes ); jack_midi_clear_buffer( buff ); while ( jack_ringbuffer_peek( data->buff, (char *) &space, sizeof( space ) ) == sizeof(space) && jack_ringbuffer_read_space( data->buff ) >= sizeof(space) + space ) { jack_ringbuffer_read_advance( data->buff, sizeof(space) ); midiData = jack_midi_event_reserve( buff, 0, space ); if ( midiData ) jack_ringbuffer_read( data->buff, (char *) midiData, (size_t) space ); else jack_ringbuffer_read_advance( data->buff, (size_t) space ); } #ifdef HAVE_SEMAPHORE if ( !sem_trywait( &data->sem_needpost ) ) sem_post( &data->sem_cleanup ); #endif return 0; } MidiOutJack :: MidiOutJack( const std::string &clientName ) : MidiOutApi() { MidiOutJack::initialize( clientName ); } void MidiOutJack :: initialize( const std::string& clientName ) { JackMidiData *data = new JackMidiData; apiData_ = (void *) data; data->port = NULL; data->client = NULL; #ifdef HAVE_SEMAPHORE sem_init( &data->sem_cleanup, 0, 0 ); sem_init( &data->sem_needpost, 0, 0 ); #endif this->clientName = clientName; connect(); } void MidiOutJack :: connect() { JackMidiData *data = static_cast (apiData_); if ( data->client ) return; // Initialize output ringbuffers data->buff = jack_ringbuffer_create( JACK_RINGBUFFER_SIZE ); data->buffMaxWrite = (int) jack_ringbuffer_write_space( data->buff ); // Initialize JACK client if ( ( data->client = jack_client_open( clientName.c_str(), JackNoStartServer, NULL ) ) == 0 ) { errorString_ = "MidiOutJack::initialize: JACK server not running?"; error( RtMidiError::WARNING, errorString_ ); return; } jack_set_process_callback( data->client, jackProcessOut, data ); jack_activate( data->client ); } MidiOutJack :: ~MidiOutJack() { JackMidiData *data = static_cast (apiData_); MidiOutJack::closePort(); // Cleanup jack_ringbuffer_free( data->buff ); if ( data->client ) { jack_client_close( data->client ); } #ifdef HAVE_SEMAPHORE sem_destroy( &data->sem_cleanup ); sem_destroy( &data->sem_needpost ); #endif delete data; } void MidiOutJack :: openPort( unsigned int portNumber, const std::string &portName ) { JackMidiData *data = static_cast (apiData_); connect(); // Creating new port if ( data->port == NULL ) data->port = jack_port_register( data->client, portName.c_str(), JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0 ); if ( data->port == NULL ) { errorString_ = "MidiOutJack::openPort: JACK error creating port"; if (portName.size() >= (size_t)jack_port_name_size()) errorString_ += " (port name too long?)"; error( RtMidiError::DRIVER_ERROR, errorString_ ); return; } // Connecting to the output std::string name = getPortName( portNumber ); jack_connect( data->client, jack_port_name( data->port ), name.c_str() ); connected_ = true; } void MidiOutJack :: openVirtualPort( const std::string &portName ) { JackMidiData *data = static_cast (apiData_); connect(); if ( data->port == NULL ) data->port = jack_port_register( data->client, portName.c_str(), JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0 ); if ( data->port == NULL ) { errorString_ = "MidiOutJack::openVirtualPort: JACK error creating virtual port"; if (portName.size() >= (size_t)jack_port_name_size()) errorString_ += " (port name too long?)"; error( RtMidiError::DRIVER_ERROR, errorString_ ); } } unsigned int MidiOutJack :: getPortCount() { int count = 0; JackMidiData *data = static_cast (apiData_); connect(); if ( !data->client ) return 0; // List of available ports const char **ports = jack_get_ports( data->client, NULL, JACK_DEFAULT_MIDI_TYPE, JackPortIsInput ); if ( ports == NULL ) return 0; while ( ports[count] != NULL ) count++; free( ports ); return count; } std::string MidiOutJack :: getPortName( unsigned int portNumber ) { JackMidiData *data = static_cast (apiData_); std::string retStr(""); connect(); // List of available ports const char **ports = jack_get_ports( data->client, NULL, JACK_DEFAULT_MIDI_TYPE, JackPortIsInput ); // Check port validity if ( ports == NULL ) { errorString_ = "MidiOutJack::getPortName: no ports available!"; error( RtMidiError::WARNING, errorString_ ); return retStr; } if ( ports[portNumber] == NULL ) { std::ostringstream ost; ost << "MidiOutJack::getPortName: the 'portNumber' argument (" << portNumber << ") is invalid."; errorString_ = ost.str(); error( RtMidiError::WARNING, errorString_ ); } else retStr.assign( ports[portNumber] ); free( ports ); return retStr; } void MidiOutJack :: closePort() { JackMidiData *data = static_cast (apiData_); if ( data->port == NULL ) return; #ifdef HAVE_SEMAPHORE struct timespec ts; if ( clock_gettime( CLOCK_REALTIME, &ts ) != -1 ) { ts.tv_sec += 1; // wait max one second sem_post( &data->sem_needpost ); sem_timedwait( &data->sem_cleanup, &ts ); } #endif jack_port_unregister( data->client, data->port ); data->port = NULL; connected_ = false; } void MidiOutJack:: setClientName( const std::string& ) { errorString_ = "MidiOutJack::setClientName: this function is not implemented for the UNIX_JACK API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutJack :: setPortName( const std::string &portName ) { JackMidiData *data = static_cast (apiData_); #ifdef JACK_HAS_PORT_RENAME jack_port_rename( data->client, data->port, portName.c_str() ); #else jack_port_set_name( data->port, portName.c_str() ); #endif } void MidiOutJack :: sendMessage( const unsigned char *message, size_t size ) { int nBytes = static_cast(size); JackMidiData *data = static_cast (apiData_); if ( size + sizeof(nBytes) > (size_t) data->buffMaxWrite ) return; while ( jack_ringbuffer_write_space(data->buff) < sizeof(nBytes) + size ) sched_yield(); // Write full message to buffer jack_ringbuffer_write( data->buff, ( char * ) &nBytes, sizeof( nBytes ) ); jack_ringbuffer_write( data->buff, ( const char * ) message, nBytes ); } #endif // __UNIX_JACK__ //*********************************************************************// // API: Web MIDI // // Written primarily by Atsushi Eno, February 2020. // // *********************************************************************// #if defined(__WEB_MIDI_API__) #include //*********************************************************************// // API: WEB MIDI // Class Definitions: WebMidiAccessShim //*********************************************************************// class WebMidiAccessShim { public: WebMidiAccessShim(); ~WebMidiAccessShim(); std::string getPortName( unsigned int portNumber, bool isInput ); }; std::unique_ptr shim{nullptr}; void ensureShim() { if ( shim.get() != nullptr ) return; shim.reset( new WebMidiAccessShim() ); } bool checkWebMidiAvailability() { ensureShim(); return MAIN_THREAD_EM_ASM_INT( { if ( typeof window._rtmidi_internals_waiting === "undefined" ) { console.log ( "Attempted to use Web MIDI API without trying to open it." ); return false; } if ( window._rtmidi_internals_waiting ) { console.log ( "Attempted to use Web MIDI API while it is being queried." ); return false; } if ( _rtmidi_internals_midi_access == null ) { console.log ( "Attempted to use Web MIDI API while it already turned out to be unavailable." ); return false; } return true; } ); } WebMidiAccessShim::WebMidiAccessShim() { MAIN_THREAD_ASYNC_EM_ASM( { if( typeof window._rtmidi_internals_midi_access !== "undefined" ) return; if( typeof window._rtmidi_internals_waiting !== "undefined" ) { console.log( "MIDI Access was requested while another request is in progress." ); return; } // define functions window._rtmidi_internals_get_port_by_number = function( portNumber, isInput ) { var midi = window._rtmidi_internals_midi_access; var devices = isInput ? midi.inputs : midi.outputs; var i = 0; for (var device of devices.values()) { if ( i == portNumber ) return device; i++; } console.log( "MIDI " + (isInput ? "input" : "output") + " device of portNumber " + portNumber + " is not found."); return null; }; window._rtmidi_internals_waiting = true; window.navigator.requestMIDIAccess( {"sysex": true} ).then( (midiAccess) => { window._rtmidi_internals_midi_access = midiAccess; window._rtmidi_internals_latest_message_timestamp = 0.0; window._rtmidi_internals_waiting = false; if( midiAccess == null ) { console.log ( "Could not get access to MIDI API" ); } } ); } ); } WebMidiAccessShim::~WebMidiAccessShim() { } std::string WebMidiAccessShim::getPortName( unsigned int portNumber, bool isInput ) { if( !checkWebMidiAvailability() ) return ""; char *ret = (char*) MAIN_THREAD_EM_ASM_INT( { var port = window._rtmidi_internals_get_port_by_number($0, $1); if( port == null) return null; var length = lengthBytesUTF8(port.name) + 1; var ret = _malloc(length); stringToUTF8(port.name, ret, length); return ret; }, portNumber, isInput); if (ret == nullptr) return ""; std::string s = ret; free(ret); return s; } //*********************************************************************// // API: WEB MIDI // Class Definitions: MidiInWeb //*********************************************************************// MidiInWeb::MidiInWeb( const std::string &clientName, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { initialize( clientName ); } MidiInWeb::~MidiInWeb( void ) { closePort(); } extern "C" void EMSCRIPTEN_KEEPALIVE rtmidi_onMidiMessageProc( MidiInApi::RtMidiInData* data, uint8_t* inputBytes, int32_t length, double domHighResTimeStamp ) { auto &message = data->message; message.bytes.resize(message.bytes.size() + length); memcpy(message.bytes.data(), inputBytes, length); // FIXME: handle timestamp if ( data->usingCallback ) { RtMidiIn::RtMidiCallback callback = (RtMidiIn::RtMidiCallback) data->userCallback; callback( message.timeStamp, &message.bytes, data->userData ); } } void MidiInWeb::openPort( unsigned int portNumber, const std::string &portName ) { if( !checkWebMidiAvailability() ) return; if (open_port_number >= 0) return; MAIN_THREAD_EM_ASM( { // In Web MIDI API world, there is no step to open a port, but we have to register the input callback instead. var input = window._rtmidi_internals_get_port_by_number($0, true); input.onmidimessage = function(e) { // In RtMidi world, timestamps are delta time from previous message, while in Web MIDI world // timestamps are relative to window creation time (i.e. kind of absolute time with window "epoch" time). var rtmidiTimestamp = window._rtmidi_internals_latest_message_timestamp == 0.0 ? 0.0 : e.timeStamp - window._rtmidi_internals_latest_message_timestamp; window._rtmidi_internals_latest_message_timestamp = e.timeStamp; Module.ccall( 'rtmidi_onMidiMessageProc', 'void', ['number', 'array', 'number', 'number'], [$1, e.data, e.data.length, rtmidiTimestamp] ); }; }, portNumber, &inputData_ ); open_port_number = portNumber; connected_ = true; } void MidiInWeb::openVirtualPort( const std::string &portName ) { errorString_ = "MidiInWeb::openVirtualPort: this function is not implemented for the Web MIDI API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiInWeb::closePort( void ) { if( open_port_number < 0 ) return; MAIN_THREAD_EM_ASM( { var input = _rtmidi_internals_get_port_by_number($0, true); if( input == null ) { console.log( "Port #" + $0 + " could not be found."); return; } // unregister event handler input.onmidimessage = null; }, open_port_number ); open_port_number = -1; connected_ = false; } void MidiInWeb::setClientName( const std::string &clientName ) { client_name = clientName; } void MidiInWeb::setPortName( const std::string &portName ) { errorString_ = "MidiInWeb::setPortName: this function is not implemented for the Web MIDI API!"; error( RtMidiError::WARNING, errorString_ ); } unsigned int MidiInWeb::getPortCount( void ) { if( !checkWebMidiAvailability() ) return 0; return MAIN_THREAD_EM_ASM_INT( { return _rtmidi_internals_midi_access.inputs.size; } ); } std::string MidiInWeb::getPortName( unsigned int portNumber ) { if( !checkWebMidiAvailability() ) return ""; return shim->getPortName( portNumber, true ); } void MidiInWeb::initialize( const std::string& clientName ) { ensureShim(); setClientName( clientName ); } //*********************************************************************// // API: WEB MIDI // Class Definitions: MidiOutWeb //*********************************************************************// MidiOutWeb::MidiOutWeb( const std::string &clientName ) { initialize( clientName ); } MidiOutWeb::~MidiOutWeb( void ) { closePort(); } void MidiOutWeb::openPort( unsigned int portNumber, const std::string &portName ) { if( !checkWebMidiAvailability() ) return; if (open_port_number >= 0) return; // In Web MIDI API world, there is no step to open a port. open_port_number = portNumber; connected_ = true; } void MidiOutWeb::openVirtualPort( const std::string &portName ) { errorString_ = "MidiOutWeb::openVirtualPort: this function is not implemented for the Web MIDI API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutWeb::closePort( void ) { // there is really nothing to do for output at JS side. open_port_number = -1; connected_ = false; } void MidiOutWeb::setClientName( const std::string &clientName ) { client_name = clientName; } void MidiOutWeb::setPortName( const std::string &portName ) { errorString_ = "MidiOutWeb::setPortName: this function is not implemented for the Web MIDI API!"; error( RtMidiError::WARNING, errorString_ ); } unsigned int MidiOutWeb::getPortCount( void ) { if( !checkWebMidiAvailability() ) return 0; return MAIN_THREAD_EM_ASM_INT( { return _rtmidi_internals_midi_access.outputs.size; } ); } std::string MidiOutWeb::getPortName( unsigned int portNumber ) { if( !checkWebMidiAvailability() ) return ""; return shim->getPortName( portNumber, false ); } void MidiOutWeb::sendMessage( const unsigned char *message, size_t size ) { if( open_port_number < 0 ) return; MAIN_THREAD_EM_ASM( { var output = _rtmidi_internals_get_port_by_number( $0, false ); if( output == null ) { console.log( "Port #" + $0 + " could not be found."); return; } var buf = new ArrayBuffer ($2); var msg = new Uint8Array( buf ); msg.set( new Uint8Array( Module.HEAPU8.buffer.slice( $1, $1 + $2 ) ) ); output.send( msg ); }, open_port_number, message, size ); } void MidiOutWeb::initialize( const std::string& clientName ) { if ( shim.get() != nullptr ) return; shim.reset( new WebMidiAccessShim() ); setClientName( clientName ); } #endif // __WEB_MIDI_API__ //*********************************************************************// // API: ANDROID AMIDI // // Written by Yellow Labrador, May 2023. // https://github.com/YellowLabrador/rtmidi // *********************************************************************// #if defined(__AMIDI__) #include #define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__) #define LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__) #define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__) #define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__) static std::string androidClientName; static std::vector androidMidiDevices; //*********************************************************************// // API: Android AMIDI // Class Definitions: MidiInAndroid //*********************************************************************// static JNIEnv* androidGetThreadEnv() { // Every Android app has only one JVM. Calling JNI_GetCreatedJavaVMs // will retrieve the JVM running the app. jsize jvmsFound = 0; JavaVM jvms[1]; JavaVM* pjvms = jvms; jint result = JNI_GetCreatedJavaVMs(&pjvms, 1, &jvmsFound); // Something went terribly wrong, no JVM was found if (jvmsFound != 1 || result != JNI_OK) { LOGE("No JVM found"); return NULL; } // Get the JNIEnv for the current thread JNIEnv* env = NULL; int rc = pjvms->GetEnv((void**)&env, JNI_VERSION_1_6); // The current thread was not attached to the JVM. Add it to the JVM if (rc == JNI_EDETACHED) { pjvms->AttachCurrentThreadAsDaemon(&env, NULL); } // Neither way to retrieve the JNIEnv worked if (env == NULL) { LOGE("Unable to retrieve JNI environment"); } return env; } static jobject androidGetContext(JNIEnv *env) { auto activityThread = env->FindClass("android/app/ActivityThread"); auto currentActivityThread = env->GetStaticMethodID(activityThread, "currentActivityThread", "()Landroid/app/ActivityThread;"); auto at = env->CallStaticObjectMethod(activityThread, currentActivityThread); if (at == NULL) { LOGE("Unable to locate the global ActivityThread"); return NULL; } auto getApplication = env->GetMethodID(activityThread, "getApplication", "()Landroid/app/Application;"); auto context = env->CallObjectMethod(at, getApplication); if (context == NULL) { LOGE("Application context was NULL"); } return context; } static jobject androidGetMidiManager(JNIEnv *env, jobject context) { // MidiManager midiManager = (MidiManager) getSystemService(Context.MIDI_SERVICE); auto contextClass = env->FindClass("android/content/Context"); auto getServiceMethod = env->GetMethodID(contextClass, "getSystemService", "(Ljava/lang/String;)Ljava/lang/Object;"); return env->CallObjectMethod(context, getServiceMethod, env->NewStringUTF("midi")); } static void androidRefreshMidiDevices(JNIEnv *env, jobject context, bool isOutput) { // Remove all midi devices for (jobject jMidiDevice : androidMidiDevices) { env->DeleteGlobalRef(jMidiDevice); } androidMidiDevices.clear(); auto midiService = androidGetMidiManager(env, context); // MidiDeviceInfo[] devInfos = mMidiManager.getDevices(); auto midiMgrClass = env->FindClass("android/media/midi/MidiManager"); auto getDevicesMethod = env->GetMethodID(midiMgrClass, "getDevices", "()[Landroid/media/midi/MidiDeviceInfo;"); auto jDevices = (jobjectArray) env->CallObjectMethod(midiService, getDevicesMethod); auto deviceInfoClass = env->FindClass("android/media/midi/MidiDeviceInfo"); auto getInputPortCountMethod = env->GetMethodID(deviceInfoClass, "getInputPortCount", "()I"); auto getOutputPortCountMethod = env->GetMethodID(deviceInfoClass, "getOutputPortCount", "()I"); jsize len = env->GetArrayLength((jarray)jDevices); for (int i=0; iGetObjectArrayElement(jDevices, i); int numPorts = env->CallIntMethod(jDeviceInfo, isOutput ? getOutputPortCountMethod : getInputPortCountMethod); if (numPorts > 0) { androidMidiDevices.push_back(env->NewGlobalRef(jDeviceInfo)); } } } extern "C" JNIEXPORT void JNICALL Java_com_yellowlab_rtmidi_MidiDeviceOpenedListener_midiDeviceOpened(JNIEnv *env, jclass clazz, jobject midi_device, jlong targetPtr, jboolean isOutput) { if (isOutput) { auto midiOut = reinterpret_cast(targetPtr); AMidiDevice_fromJava(env, midi_device, &midiOut->sendDevice); AMidiInputPort_open(midiOut->sendDevice, 0, &midiOut->midiInputPort); } else { auto midiIn = reinterpret_cast(targetPtr); AMidiDevice_fromJava(env, midi_device, &midiIn->receiveDevice); AMidiOutputPort_open(midiIn->receiveDevice, 0, &midiIn->midiOutputPort); pthread_create(&midiIn->readThread, NULL, MidiInAndroid::pollMidi, midiIn); } } static void androidOpenDevice(jobject deviceInfo, void* target, bool isOutput) { auto env = androidGetThreadEnv(); auto context = androidGetContext(env); auto midiMgr = androidGetMidiManager(env, context); // openDevice(MidiDeviceInfo deviceInfo, OnDeviceOpenedListener listener, Handler handler) auto midiMgrClass = env->GetObjectClass(midiMgr); auto openDevicesMethod = env->GetMethodID(midiMgrClass, "openDevice", "(Landroid/media/midi/MidiDeviceInfo;Landroid/media/midi/MidiManager$OnDeviceOpenedListener;Landroid/os/Handler;)V"); auto handlerClass = env->FindClass("android/os/Handler"); auto handlerCtor = env->GetMethodID(handlerClass, "", "()V"); auto handler = env->NewObject(handlerClass, handlerCtor); auto listenerClass = env->FindClass("com/yellowlab/rtmidi/MidiDeviceOpenedListener"); if (!listenerClass) { LOGE("Midi listener class not found com.yellowlab.rtmidi.MidiDeviceOpenedListener. Did you forget to add it to your APK?"); return; } auto targetPtr = reinterpret_cast(target); auto listenerCtor = env->GetMethodID(listenerClass, "", "(JZ)V"); auto listener = env->NewObject(listenerClass, listenerCtor, targetPtr, isOutput); env->CallVoidMethod(midiMgr, openDevicesMethod, deviceInfo, listener, handler); env->DeleteLocalRef(handler); } static std::string androidPortName(JNIEnv *env, unsigned int portNumber) { if (portNumber >= androidMidiDevices.size()) { LOGE("androidPortName: Invalid port number"); return ""; } // String deviceName = devInfo.getProperties().getString(MidiDeviceInfo.PROPERTY_NAME); auto deviceInfoClass = env->FindClass("android/media/midi/MidiDeviceInfo"); auto getPropsMethod = env->GetMethodID(deviceInfoClass, "getProperties", "()Landroid/os/Bundle;"); auto bundle = env->CallObjectMethod(androidMidiDevices[portNumber], getPropsMethod); auto bundleClass = env->FindClass("android/os/Bundle"); auto getStringMethod = env->GetMethodID(bundleClass, "getString", "(Ljava/lang/String;)Ljava/lang/String;"); auto jPortName = (jstring) env->CallObjectMethod(bundle, getStringMethod, env->NewStringUTF("name")); auto portNameChars = env->GetStringUTFChars(jPortName, NULL); auto name = std::string(portNameChars); env->ReleaseStringUTFChars(jPortName, portNameChars); return name; } MidiInAndroid :: MidiInAndroid( const std::string &clientName, unsigned int queueSizeLimit ) : MidiInApi( queueSizeLimit ) { MidiInAndroid::initialize( clientName ); } void MidiInAndroid :: initialize( const std::string& clientName ) { androidClientName = clientName; connect(); } void MidiInAndroid :: connect() { auto env = androidGetThreadEnv(); auto context = androidGetContext(env); androidRefreshMidiDevices(env, context, true); env->DeleteLocalRef(context); } MidiInAndroid :: ~MidiInAndroid() { auto env = androidGetThreadEnv(); // Remove all midi devices for (jobject jMidiDevice : androidMidiDevices) { env->DeleteGlobalRef(jMidiDevice); } androidMidiDevices.clear(); androidClientName = ""; } void MidiInAndroid :: openPort(unsigned int portNumber, const std::string &portName) { if (portNumber >= androidMidiDevices.size()) { errorString_ = "MidiInAndroid::openPort: Invalid port number"; error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } if (reading) { errorString_ = "MidiInAndroid::openPort: A port is already open"; error( RtMidiError::INVALID_USE, errorString_ ); return; } androidOpenDevice(androidMidiDevices[portNumber], this, false); } void MidiInAndroid :: openVirtualPort(const std::string &portName) { errorString_ = "MidiInAndroid::openVirtualPort: this function is not implemented for the Android API!"; error( RtMidiError::WARNING, errorString_ ); } unsigned int MidiInAndroid :: getPortCount() { connect(); return androidMidiDevices.size(); } std::string MidiInAndroid :: getPortName(unsigned int portNumber) { auto env = androidGetThreadEnv(); return androidPortName(env, portNumber); } void MidiInAndroid :: closePort() { // Don't try to close a port before it was open if (!reading) { return; } reading = false; pthread_join(readThread, NULL); AMidiDevice_release(receiveDevice); receiveDevice = NULL; midiOutputPort = NULL; } void MidiInAndroid:: setClientName(const std::string& clientName) { androidClientName = clientName; } void MidiInAndroid :: setPortName(const std::string &portName) { errorString_ = "MidiInAndroid::setPortName: this function is not implemented for the Android API!"; error( RtMidiError::WARNING, errorString_ ); } void* MidiInAndroid :: pollMidi(void* context) { auto self = (MidiInAndroid*) context; self->reading = true; const size_t MAX_BYTES_TO_RECEIVE = 128; uint8_t incomingMessage[MAX_BYTES_TO_RECEIVE]; while (self->reading) { // AMidiOutputPort_receive is non-blocking, must poll with some sleep usleep(2000); auto ignoreFlags = self->inputData_.ignoreFlags; bool& continueSysex = self->inputData_.continueSysex; int32_t opcode; size_t numBytesReceived; int64_t timestamp; ssize_t numMessagesReceived = AMidiOutputPort_receive( self->midiOutputPort, &opcode, incomingMessage, MAX_BYTES_TO_RECEIVE, &numBytesReceived, ×tamp); if (numMessagesReceived < 0) { self->errorString_ = "MidiInAndroid::pollMidi: error receiving MIDI data"; self->error( RtMidiError::SYSTEM_ERROR, self->errorString_ ); self->reading = false; break; } switch (incomingMessage[0]) { case 0xF0: // Start of a SysEx message continueSysex = incomingMessage[numBytesReceived - 1] != 0xF7; if (ignoreFlags & 0x01) continue; break; case 0xF1: case 0xF8: // MIDI Time Code or Timing Clock message if (ignoreFlags & 0x02) continue; break; case 0xFE: // Active Sensing message if (ignoreFlags & 0x04) continue; break; default: if (continueSysex) { // Continuation of a SysEx message continueSysex = incomingMessage[numBytesReceived - 1] != 0xF7; if (ignoreFlags & 0x01) continue; } // All other MIDI messages } if (numMessagesReceived > 0 && numBytesReceived >= 0) { auto message = self->inputData_.message; if (self->inputData_.firstMessage == true) { message.timeStamp = 0.0; self->inputData_.firstMessage = false; } else { message.timeStamp = (timestamp * 0.000001) - self->lastTime; } self->lastTime = (timestamp * 0.000001); if (!continueSysex) message.bytes.clear(); if ( !( ( continueSysex || incomingMessage[0] == 0xF0 ) && ( ignoreFlags & 0x01 ) ) ) { // Unless this is a (possibly continued) SysEx message and we're ignoring SysEx, // copy the event buffer into the MIDI message struct. for (unsigned int i=0; iinputData_.usingCallback) { auto callback = (RtMidiIn::RtMidiCallback) self->inputData_.userCallback; callback(message.timeStamp, &message.bytes, self->inputData_.userData); } else { if (!self->inputData_.queue.push(message)) std::cerr << "\nMidiInAndroid: message queue limit reached!!\n\n"; } } } } return NULL; } //*********************************************************************// // API: Android AMIDI // Class Definitions: MidiOutAndroid //*********************************************************************// MidiOutAndroid :: MidiOutAndroid( const std::string &clientName ) : MidiOutApi() { MidiOutAndroid::initialize( clientName ); } void MidiOutAndroid :: initialize( const std::string& clientName ) { androidClientName = clientName; connect(); } void MidiOutAndroid :: connect() { auto env = androidGetThreadEnv(); auto context = androidGetContext(env); androidRefreshMidiDevices(env, context, false); env->DeleteLocalRef(context); } MidiOutAndroid :: ~MidiOutAndroid() { auto env = androidGetThreadEnv(); // Remove all midi devices for (jobject jMidiDevice : androidMidiDevices) { env->DeleteGlobalRef(jMidiDevice); } androidMidiDevices.clear(); androidClientName = ""; } void MidiOutAndroid :: openPort( unsigned int portNumber, const std::string &portName ) { if (portNumber >= androidMidiDevices.size()) { errorString_ = "MidiOutAndroid::openPort: Invalid port number"; error( RtMidiError::INVALID_PARAMETER, errorString_ ); return; } androidOpenDevice(androidMidiDevices[portNumber], this, true); } void MidiOutAndroid :: openVirtualPort( const std::string &portName ) { errorString_ = "MidiOutAndroid::openVirtualPort: this function is not implemented for the Android API!"; error( RtMidiError::WARNING, errorString_ ); } unsigned int MidiOutAndroid :: getPortCount() { connect(); return androidMidiDevices.size(); } std::string MidiOutAndroid :: getPortName( unsigned int portNumber ) { auto env = androidGetThreadEnv(); return androidPortName(env, portNumber); } void MidiOutAndroid :: closePort() { AMidiDevice_release(sendDevice); sendDevice = NULL; midiInputPort = NULL; } void MidiOutAndroid:: setClientName( const std::string& name ) { androidClientName = name; } void MidiOutAndroid :: setPortName( const std::string &portName ) { errorString_ = "MidiOutAndroid::setPortName: this function is not implemented for the Android API!"; error( RtMidiError::WARNING, errorString_ ); } void MidiOutAndroid :: sendMessage( const unsigned char *message, size_t size ) { AMidiInputPort_send(midiInputPort, (uint8_t*)message, size); } #endif // __AMIDI__ rtmidi-6.0.0/RtMidi.h000066400000000000000000000663751446275054400144020ustar00rootroot00000000000000/**********************************************************************/ /*! \class RtMidi \brief An abstract base class for realtime MIDI input/output. This class implements some common functionality for the realtime MIDI input/output subclasses RtMidiIn and RtMidiOut. RtMidi GitHub site: https://github.com/thestk/rtmidi RtMidi WWW site: http://www.music.mcgill.ca/~gary/rtmidi/ RtMidi: realtime MIDI i/o C++ classes Copyright (c) 2003-2023 Gary P. Scavone Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. Any person wishing to distribute modifications to the Software is asked to send the modifications to the original developer so that they can be incorporated into the canonical version. This is, however, not a binding provision of this license. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /**********************************************************************/ /*! \file RtMidi.h */ #ifndef RTMIDI_H #define RTMIDI_H #if defined _WIN32 || defined __CYGWIN__ #if defined(RTMIDI_EXPORT) #define RTMIDI_DLL_PUBLIC __declspec(dllexport) #else #define RTMIDI_DLL_PUBLIC #endif #else #if __GNUC__ >= 4 #define RTMIDI_DLL_PUBLIC __attribute__( (visibility( "default" )) ) #else #define RTMIDI_DLL_PUBLIC #endif #endif #define RTMIDI_VERSION_MAJOR 6 #define RTMIDI_VERSION_MINOR 0 #define RTMIDI_VERSION_PATCH 0 #define RTMIDI_VERSION_BETA 0 #define RTMIDI_TOSTRING2(n) #n #define RTMIDI_TOSTRING(n) RTMIDI_TOSTRING2(n) #if RTMIDI_VERSION_BETA > 0 #define RTMIDI_VERSION RTMIDI_TOSTRING(RTMIDI_VERSION_MAJOR) \ "." RTMIDI_TOSTRING(RTMIDI_VERSION_MINOR) \ "." RTMIDI_TOSTRING(RTMIDI_VERSION_PATCH) \ "beta" RTMIDI_TOSTRING(RTMIDI_VERSION_BETA) #else #define RTMIDI_VERSION RTMIDI_TOSTRING(RTMIDI_VERSION_MAJOR) \ "." RTMIDI_TOSTRING(RTMIDI_VERSION_MINOR) \ "." RTMIDI_TOSTRING(RTMIDI_VERSION_PATCH) #endif #include #include #include #include /************************************************************************/ /*! \class RtMidiError \brief Exception handling class for RtMidi. The RtMidiError class is quite simple but it does allow errors to be "caught" by RtMidiError::Type. See the RtMidi documentation to know which methods can throw an RtMidiError. */ /************************************************************************/ class RTMIDI_DLL_PUBLIC RtMidiError : public std::exception { public: //! Defined RtMidiError types. enum Type { WARNING, /*!< A non-critical error. */ DEBUG_WARNING, /*!< A non-critical error which might be useful for debugging. */ UNSPECIFIED, /*!< The default, unspecified error type. */ NO_DEVICES_FOUND, /*!< No devices found on system. */ INVALID_DEVICE, /*!< An invalid device ID was specified. */ MEMORY_ERROR, /*!< An error occurred during memory allocation. */ INVALID_PARAMETER, /*!< An invalid parameter was specified to a function. */ INVALID_USE, /*!< The function was called incorrectly. */ DRIVER_ERROR, /*!< A system driver error occurred. */ SYSTEM_ERROR, /*!< A system error occurred. */ THREAD_ERROR /*!< A thread error occurred. */ }; //! The constructor. RtMidiError( const std::string& message, Type type = RtMidiError::UNSPECIFIED ) throw() : message_(message), type_(type) {} //! The destructor. virtual ~RtMidiError( void ) throw() {} //! Prints thrown error message to stderr. virtual void printMessage( void ) const throw() { std::cerr << '\n' << message_ << "\n\n"; } //! Returns the thrown error message type. virtual const Type& getType( void ) const throw() { return type_; } //! Returns the thrown error message string. virtual const std::string& getMessage( void ) const throw() { return message_; } //! Returns the thrown error message as a c-style string. virtual const char* what( void ) const throw() { return message_.c_str(); } protected: std::string message_; Type type_; }; //! RtMidi error callback function prototype. /*! \param type Type of error. \param errorText Error description. Note that class behaviour is undefined after a critical error (not a warning) is reported. */ typedef void (*RtMidiErrorCallback)( RtMidiError::Type type, const std::string &errorText, void *userData ); class MidiApi; class RTMIDI_DLL_PUBLIC RtMidi { public: RtMidi(RtMidi&& other) noexcept; //! MIDI API specifier arguments. enum Api { UNSPECIFIED, /*!< Search for a working compiled API. */ MACOSX_CORE, /*!< Macintosh OS-X CoreMIDI API. */ LINUX_ALSA, /*!< The Advanced Linux Sound Architecture API. */ UNIX_JACK, /*!< The JACK Low-Latency MIDI Server API. */ WINDOWS_MM, /*!< The Microsoft Multimedia MIDI API. */ RTMIDI_DUMMY, /*!< A compilable but non-functional API. */ WEB_MIDI_API, /*!< W3C Web MIDI API. */ WINDOWS_UWP, /*!< The Microsoft Universal Windows Platform MIDI API. */ ANDROID_AMIDI, /*!< Native Android MIDI API. */ NUM_APIS /*!< Number of values in this enum. */ }; //! A static function to determine the current RtMidi version. static std::string getVersion( void ) throw(); //! A static function to determine the available compiled MIDI APIs. /*! The values returned in the std::vector can be compared against the enumerated list values. Note that there can be more than one API compiled for certain operating systems. */ static void getCompiledApi( std::vector &apis ) throw(); //! Return the name of a specified compiled MIDI API. /*! This obtains a short lower-case name used for identification purposes. This value is guaranteed to remain identical across library versions. If the API is unknown, this function will return the empty string. */ static std::string getApiName( RtMidi::Api api ); //! Return the display name of a specified compiled MIDI API. /*! This obtains a long name used for display purposes. If the API is unknown, this function will return the empty string. */ static std::string getApiDisplayName( RtMidi::Api api ); //! Return the compiled MIDI API having the given name. /*! A case insensitive comparison will check the specified name against the list of compiled APIs, and return the one which matches. On failure, the function returns UNSPECIFIED. */ static RtMidi::Api getCompiledApiByName( const std::string &name ); //! Pure virtual openPort() function. virtual void openPort( unsigned int portNumber = 0, const std::string &portName = std::string( "RtMidi" ) ) = 0; //! Pure virtual openVirtualPort() function. virtual void openVirtualPort( const std::string &portName = std::string( "RtMidi" ) ) = 0; //! Pure virtual getPortCount() function. virtual unsigned int getPortCount() = 0; //! Pure virtual getPortName() function. virtual std::string getPortName( unsigned int portNumber = 0 ) = 0; //! Pure virtual closePort() function. virtual void closePort( void ) = 0; void setClientName( const std::string &clientName ); void setPortName( const std::string &portName ); //! Returns true if a port is open and false if not. /*! Note that this only applies to connections made with the openPort() function, not to virtual ports. */ virtual bool isPortOpen( void ) const = 0; //! Set an error callback function to be invoked when an error has occurred. /*! The callback function will be called whenever an error has occurred. It is best to set the error callback function before opening a port. */ virtual void setErrorCallback( RtMidiErrorCallback errorCallback = NULL, void *userData = 0 ) = 0; protected: RtMidi(); virtual ~RtMidi(); MidiApi *rtapi_; /* Make the class non-copyable */ RtMidi(RtMidi& other) = delete; RtMidi& operator=(RtMidi& other) = delete; }; /**********************************************************************/ /*! \class RtMidiIn \brief A realtime MIDI input class. This class provides a common, platform-independent API for realtime MIDI input. It allows access to a single MIDI input port. Incoming MIDI messages are either saved to a queue for retrieval using the getMessage() function or immediately passed to a user-specified callback function. Create multiple instances of this class to connect to more than one MIDI device at the same time. With the OS-X, Linux ALSA, and JACK MIDI APIs, it is also possible to open a virtual input port to which other MIDI software clients can connect. */ /**********************************************************************/ // **************************************************************** // // // RtMidiIn and RtMidiOut class declarations. // // RtMidiIn / RtMidiOut are "controllers" used to select an available // MIDI input or output interface. They present common APIs for the // user to call but all functionality is implemented by the classes // MidiInApi, MidiOutApi and their subclasses. RtMidiIn and RtMidiOut // each create an instance of a MidiInApi or MidiOutApi subclass based // on the user's API choice. If no choice is made, they attempt to // make a "logical" API selection. // // **************************************************************** // class RTMIDI_DLL_PUBLIC RtMidiIn : public RtMidi { public: //! User callback function type definition. typedef void (*RtMidiCallback)( double timeStamp, std::vector *message, void *userData ); //! Default constructor that allows an optional api, client name and queue size. /*! An exception will be thrown if a MIDI system initialization error occurs. The queue size defines the maximum number of messages that can be held in the MIDI queue (when not using a callback function). If the queue size limit is reached, incoming messages will be ignored. If no API argument is specified and multiple API support has been compiled, the default order of use is ALSA, JACK (Linux) and CORE, JACK (OS-X). \param api An optional API id can be specified. \param clientName An optional client name can be specified. This will be used to group the ports that are created by the application. \param queueSizeLimit An optional size of the MIDI input queue can be specified. */ RtMidiIn( RtMidi::Api api=UNSPECIFIED, const std::string& clientName = "RtMidi Input Client", unsigned int queueSizeLimit = 100 ); RtMidiIn(RtMidiIn&& other) noexcept : RtMidi(std::move(other)) { } //! If a MIDI connection is still open, it will be closed by the destructor. ~RtMidiIn ( void ) throw(); //! Returns the MIDI API specifier for the current instance of RtMidiIn. RtMidi::Api getCurrentApi( void ) throw(); //! Open a MIDI input connection given by enumeration number. /*! \param portNumber An optional port number greater than 0 can be specified. Otherwise, the default or first port found is opened. \param portName An optional name for the application port that is used to connect to portId can be specified. */ void openPort( unsigned int portNumber = 0, const std::string &portName = std::string( "RtMidi Input" ) ); //! Create a virtual input port, with optional name, to allow software connections (OS X, JACK and ALSA only). /*! This function creates a virtual MIDI input port to which other software applications can connect. This type of functionality is currently only supported by the Macintosh OS-X, any JACK, and Linux ALSA APIs (the function returns an error for the other APIs). \param portName An optional name for the application port that is used to connect to portId can be specified. */ void openVirtualPort( const std::string &portName = std::string( "RtMidi Input" ) ); //! Set a callback function to be invoked for incoming MIDI messages. /*! The callback function will be called whenever an incoming MIDI message is received. While not absolutely necessary, it is best to set the callback function before opening a MIDI port to avoid leaving some messages in the queue. \param callback A callback function must be given. \param userData Optionally, a pointer to additional data can be passed to the callback function whenever it is called. */ void setCallback( RtMidiCallback callback, void *userData = 0 ); //! Cancel use of the current callback function (if one exists). /*! Subsequent incoming MIDI messages will be written to the queue and can be retrieved with the \e getMessage function. */ void cancelCallback(); //! Close an open MIDI connection (if one exists). void closePort( void ); //! Returns true if a port is open and false if not. /*! Note that this only applies to connections made with the openPort() function, not to virtual ports. */ virtual bool isPortOpen() const; //! Return the number of available MIDI input ports. /*! \return This function returns the number of MIDI ports of the selected API. */ unsigned int getPortCount(); //! Return a string identifier for the specified MIDI input port number. /*! \return The name of the port with the given Id is returned. \retval An empty string is returned if an invalid port specifier is provided. User code should assume a UTF-8 encoding. */ std::string getPortName( unsigned int portNumber = 0 ); //! Specify whether certain MIDI message types should be queued or ignored during input. /*! By default, MIDI timing and active sensing messages are ignored during message input because of their relative high data rates. MIDI sysex messages are ignored by default as well. Variable values of "true" imply that the respective message type will be ignored. */ void ignoreTypes( bool midiSysex = true, bool midiTime = true, bool midiSense = true ); //! Fill the user-provided vector with the data bytes for the next available MIDI message in the input queue and return the event delta-time in seconds. /*! This function returns immediately whether a new message is available or not. A valid message is indicated by a non-zero vector size. An exception is thrown if an error occurs during message retrieval or an input connection was not previously established. */ double getMessage( std::vector *message ); //! Set an error callback function to be invoked when an error has occurred. /*! The callback function will be called whenever an error has occurred. It is best to set the error callback function before opening a port. */ virtual void setErrorCallback( RtMidiErrorCallback errorCallback = NULL, void *userData = 0 ); //! Set maximum expected incoming message size. /*! For APIs that require manual buffer management, it can be useful to set the buffer size and buffer count when expecting to receive large SysEx messages. Note that currently this function has no effect when called after openPort(). The default buffer size is 1024 with a count of 4 buffers, which should be sufficient for most cases; as mentioned, this does not affect all API backends, since most either support dynamically scalable buffers or take care of buffer handling themselves. It is principally intended for users of the Windows MM backend who must support receiving especially large messages. */ virtual void setBufferSize( unsigned int size, unsigned int count ); protected: void openMidiApi( RtMidi::Api api, const std::string &clientName, unsigned int queueSizeLimit ); }; /**********************************************************************/ /*! \class RtMidiOut \brief A realtime MIDI output class. This class provides a common, platform-independent API for MIDI output. It allows one to probe available MIDI output ports, to connect to one such port, and to send MIDI bytes immediately over the connection. Create multiple instances of this class to connect to more than one MIDI device at the same time. With the OS-X, Linux ALSA and JACK MIDI APIs, it is also possible to open a virtual port to which other MIDI software clients can connect. */ /**********************************************************************/ class RTMIDI_DLL_PUBLIC RtMidiOut : public RtMidi { public: //! Default constructor that allows an optional client name. /*! An exception will be thrown if a MIDI system initialization error occurs. If no API argument is specified and multiple API support has been compiled, the default order of use is ALSA, JACK (Linux) and CORE, JACK (OS-X). */ RtMidiOut( RtMidi::Api api=UNSPECIFIED, const std::string& clientName = "RtMidi Output Client" ); RtMidiOut(RtMidiOut&& other) noexcept : RtMidi(std::move(other)) { } //! The destructor closes any open MIDI connections. ~RtMidiOut( void ) throw(); //! Returns the MIDI API specifier for the current instance of RtMidiOut. RtMidi::Api getCurrentApi( void ) throw(); //! Open a MIDI output connection. /*! An optional port number greater than 0 can be specified. Otherwise, the default or first port found is opened. An exception is thrown if an error occurs while attempting to make the port connection. */ void openPort( unsigned int portNumber = 0, const std::string &portName = std::string( "RtMidi Output" ) ); //! Close an open MIDI connection (if one exists). void closePort( void ); //! Returns true if a port is open and false if not. /*! Note that this only applies to connections made with the openPort() function, not to virtual ports. */ virtual bool isPortOpen() const; //! Create a virtual output port, with optional name, to allow software connections (OS X, JACK and ALSA only). /*! This function creates a virtual MIDI output port to which other software applications can connect. This type of functionality is currently only supported by the Macintosh OS-X, Linux ALSA and JACK APIs (the function does nothing with the other APIs). An exception is thrown if an error occurs while attempting to create the virtual port. */ void openVirtualPort( const std::string &portName = std::string( "RtMidi Output" ) ); //! Return the number of available MIDI output ports. unsigned int getPortCount( void ); //! Return a string identifier for the specified MIDI port type and number. /*! \return The name of the port with the given Id is returned. \retval An empty string is returned if an invalid port specifier is provided. User code should assume a UTF-8 encoding. */ std::string getPortName( unsigned int portNumber = 0 ); //! Immediately send a single message out an open MIDI output port. /*! An exception is thrown if an error occurs during output or an output connection was not previously established. */ void sendMessage( const std::vector *message ); //! Immediately send a single message out an open MIDI output port. /*! An exception is thrown if an error occurs during output or an output connection was not previously established. \param message A pointer to the MIDI message as raw bytes \param size Length of the MIDI message in bytes */ void sendMessage( const unsigned char *message, size_t size ); //! Set an error callback function to be invoked when an error has occurred. /*! The callback function will be called whenever an error has occurred. It is best to set the error callback function before opening a port. */ virtual void setErrorCallback( RtMidiErrorCallback errorCallback = NULL, void *userData = 0 ); protected: void openMidiApi( RtMidi::Api api, const std::string &clientName ); }; // **************************************************************** // // // MidiInApi / MidiOutApi class declarations. // // Subclasses of MidiInApi and MidiOutApi contain all API- and // OS-specific code necessary to fully implement the RtMidi API. // // Note that MidiInApi and MidiOutApi are abstract base classes and // cannot be explicitly instantiated. RtMidiIn and RtMidiOut will // create instances of a MidiInApi or MidiOutApi subclass. // // **************************************************************** // class RTMIDI_DLL_PUBLIC MidiApi { public: MidiApi(); virtual ~MidiApi(); virtual RtMidi::Api getCurrentApi( void ) = 0; virtual void openPort( unsigned int portNumber, const std::string &portName ) = 0; virtual void openVirtualPort( const std::string &portName ) = 0; virtual void closePort( void ) = 0; virtual void setClientName( const std::string &clientName ) = 0; virtual void setPortName( const std::string &portName ) = 0; virtual unsigned int getPortCount( void ) = 0; virtual std::string getPortName( unsigned int portNumber ) = 0; inline bool isPortOpen() const { return connected_; } void setErrorCallback( RtMidiErrorCallback errorCallback, void *userData ); //! A basic error reporting function for RtMidi classes. void error( RtMidiError::Type type, std::string errorString ); protected: virtual void initialize( const std::string& clientName ) = 0; void *apiData_; bool connected_; std::string errorString_; RtMidiErrorCallback errorCallback_; bool firstErrorOccurred_; void *errorCallbackUserData_; }; class RTMIDI_DLL_PUBLIC MidiInApi : public MidiApi { public: MidiInApi( unsigned int queueSizeLimit ); virtual ~MidiInApi( void ); void setCallback( RtMidiIn::RtMidiCallback callback, void *userData ); void cancelCallback( void ); virtual void ignoreTypes( bool midiSysex, bool midiTime, bool midiSense ); virtual double getMessage( std::vector *message ); virtual void setBufferSize( unsigned int size, unsigned int count ); // A MIDI structure used internally by the class to store incoming // messages. Each message represents one and only one MIDI message. struct MidiMessage { std::vector bytes; //! Time in seconds elapsed since the previous message double timeStamp; // Default constructor. MidiMessage() : bytes(0), timeStamp(0.0) {} }; struct MidiQueue { unsigned int front; unsigned int back; unsigned int ringSize; MidiMessage *ring; // Default constructor. MidiQueue() : front(0), back(0), ringSize(0), ring(0) {} bool push( const MidiMessage& ); bool pop( std::vector*, double* ); unsigned int size( unsigned int *back=0, unsigned int *front=0 ); }; // The RtMidiInData structure is used to pass private class data to // the MIDI input handling function or thread. struct RtMidiInData { MidiQueue queue; MidiMessage message; unsigned char ignoreFlags; bool doInput; bool firstMessage; void *apiData; bool usingCallback; RtMidiIn::RtMidiCallback userCallback; void *userData; bool continueSysex; unsigned int bufferSize; unsigned int bufferCount; // Default constructor. RtMidiInData() : ignoreFlags(7), doInput(false), firstMessage(true), apiData(0), usingCallback(false), userCallback(0), userData(0), continueSysex(false), bufferSize(1024), bufferCount(4) {} }; protected: RtMidiInData inputData_; }; class RTMIDI_DLL_PUBLIC MidiOutApi : public MidiApi { public: MidiOutApi( void ); virtual ~MidiOutApi( void ); virtual void sendMessage( const unsigned char *message, size_t size ) = 0; }; // **************************************************************** // // // Inline RtMidiIn and RtMidiOut definitions. // // **************************************************************** // inline RtMidi::Api RtMidiIn :: getCurrentApi( void ) throw() { return rtapi_->getCurrentApi(); } inline void RtMidiIn :: openPort( unsigned int portNumber, const std::string &portName ) { rtapi_->openPort( portNumber, portName ); } inline void RtMidiIn :: openVirtualPort( const std::string &portName ) { rtapi_->openVirtualPort( portName ); } inline void RtMidiIn :: closePort( void ) { rtapi_->closePort(); } inline bool RtMidiIn :: isPortOpen() const { return rtapi_->isPortOpen(); } inline void RtMidiIn :: setCallback( RtMidiCallback callback, void *userData ) { static_cast(rtapi_)->setCallback( callback, userData ); } inline void RtMidiIn :: cancelCallback( void ) { static_cast(rtapi_)->cancelCallback(); } inline unsigned int RtMidiIn :: getPortCount( void ) { return rtapi_->getPortCount(); } inline std::string RtMidiIn :: getPortName( unsigned int portNumber ) { return rtapi_->getPortName( portNumber ); } inline void RtMidiIn :: ignoreTypes( bool midiSysex, bool midiTime, bool midiSense ) { static_cast(rtapi_)->ignoreTypes( midiSysex, midiTime, midiSense ); } inline double RtMidiIn :: getMessage( std::vector *message ) { return static_cast(rtapi_)->getMessage( message ); } inline void RtMidiIn :: setErrorCallback( RtMidiErrorCallback errorCallback, void *userData ) { rtapi_->setErrorCallback(errorCallback, userData); } inline void RtMidiIn :: setBufferSize( unsigned int size, unsigned int count ) { static_cast(rtapi_)->setBufferSize(size, count); } inline RtMidi::Api RtMidiOut :: getCurrentApi( void ) throw() { return rtapi_->getCurrentApi(); } inline void RtMidiOut :: openPort( unsigned int portNumber, const std::string &portName ) { rtapi_->openPort( portNumber, portName ); } inline void RtMidiOut :: openVirtualPort( const std::string &portName ) { rtapi_->openVirtualPort( portName ); } inline void RtMidiOut :: closePort( void ) { rtapi_->closePort(); } inline bool RtMidiOut :: isPortOpen() const { return rtapi_->isPortOpen(); } inline unsigned int RtMidiOut :: getPortCount( void ) { return rtapi_->getPortCount(); } inline std::string RtMidiOut :: getPortName( unsigned int portNumber ) { return rtapi_->getPortName( portNumber ); } inline void RtMidiOut :: sendMessage( const std::vector *message ) { static_cast(rtapi_)->sendMessage( &message->at(0), message->size() ); } inline void RtMidiOut :: sendMessage( const unsigned char *message, size_t size ) { static_cast(rtapi_)->sendMessage( message, size ); } inline void RtMidiOut :: setErrorCallback( RtMidiErrorCallback errorCallback, void *userData ) { rtapi_->setErrorCallback(errorCallback, userData); } #endif rtmidi-6.0.0/android/000077500000000000000000000000001446275054400144405ustar00rootroot00000000000000rtmidi-6.0.0/android/README.md000066400000000000000000000006161446275054400157220ustar00rootroot00000000000000# Example Android Studio project Simple app using RtMidi. There are symlinks to 3 files in the main RtMidi project * RtMidi.cpp * RdMidi.h * MidiDeviceOpenedListener.java The main goal of this project is to demonstrate how to build RtMidi into an Android app. The app itself simply lists midi devices, opens the selected port and prints out any incoming packet ![Screenshot](./images/midi.png) rtmidi-6.0.0/android/app/000077500000000000000000000000001446275054400152205ustar00rootroot00000000000000rtmidi-6.0.0/android/app/build.gradle000066400000000000000000000044321446275054400175020ustar00rootroot00000000000000plugins { id 'com.android.application' id 'org.jetbrains.kotlin.android' } android { namespace 'com.rtmidi.yellowlab.midireader' compileSdk 33 defaultConfig { applicationId "com.rtmidi.yellowlab.midireader" minSdk 31 targetSdk 33 versionCode 1 versionName "1.0" testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" vectorDrawables { useSupportLibrary true } } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' } debug { jniDebuggable true } } compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } kotlinOptions { jvmTarget = '1.8' } buildFeatures { compose true } composeOptions { kotlinCompilerExtensionVersion '1.4.8' } packagingOptions { resources { excludes += '/META-INF/{AL2.0,LGPL2.1}' } } externalNativeBuild { cmake { path file('src/main/cpp/CMakeLists.txt') version '3.22.1' } } buildFeatures { viewBinding true } } dependencies { implementation 'androidx.core:core-ktx:1.10.1' implementation platform('org.jetbrains.kotlin:kotlin-bom:1.9.0') implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.6.1' implementation 'androidx.activity:activity-compose:1.7.2' implementation platform('androidx.compose:compose-bom:2023.06.01') implementation 'androidx.compose.ui:ui' implementation 'androidx.compose.ui:ui-graphics' implementation 'androidx.compose.ui:ui-tooling-preview' implementation 'androidx.compose.material3:material3' implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1' implementation 'androidx.lifecycle:lifecycle-viewmodel-compose:2.6.1' testImplementation 'junit:junit:4.13.2' androidTestImplementation 'androidx.test.ext:junit:1.1.5' androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1' debugImplementation 'androidx.compose.ui:ui-tooling' debugImplementation 'androidx.compose.ui:ui-test-manifest' }rtmidi-6.0.0/android/app/proguard-rules.pro000066400000000000000000000013561446275054400207220ustar00rootroot00000000000000# Add project specific ProGuard rules here. # You can control the set of applied configuration files using the # proguardFiles setting in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} # Uncomment this to preserve the line number information for # debugging stack traces. #-keepattributes SourceFile,LineNumberTable # If you keep the line number information, uncomment this to # hide the original source file name. #-renamesourcefileattribute SourceFilertmidi-6.0.0/android/app/src/000077500000000000000000000000001446275054400160075ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/androidTest/000077500000000000000000000000001446275054400202675ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/androidTest/java/000077500000000000000000000000001446275054400212105ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/androidTest/java/com/000077500000000000000000000000001446275054400217665ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/androidTest/java/com/rtmidi/000077500000000000000000000000001446275054400232565ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/androidTest/java/com/rtmidi/yellowlab/000077500000000000000000000000001446275054400252505ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/androidTest/java/com/rtmidi/yellowlab/midireader/000077500000000000000000000000001446275054400273555ustar00rootroot00000000000000ExampleInstrumentedTest.kt000066400000000000000000000012611446275054400344730ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/androidTest/java/com/rtmidi/yellowlab/midireaderpackage com.rtmidi.yellowlab.midireader import androidx.test.platform.app.InstrumentationRegistry import androidx.test.ext.junit.runners.AndroidJUnit4 import org.junit.Test import org.junit.runner.RunWith import org.junit.Assert.* /** * Instrumented test, which will execute on an Android device. * * See [testing documentation](http://d.android.com/tools/testing). */ @RunWith(AndroidJUnit4::class) class ExampleInstrumentedTest { @Test fun useAppContext() { // Context of the app under test. val appContext = InstrumentationRegistry.getInstrumentation().targetContext assertEquals("com.rtmidi.yellowlab.midireader", appContext.packageName) } }rtmidi-6.0.0/android/app/src/main/000077500000000000000000000000001446275054400167335ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/AndroidManifest.xml000066400000000000000000000016211446275054400225240ustar00rootroot00000000000000 rtmidi-6.0.0/android/app/src/main/cpp/000077500000000000000000000000001446275054400175155ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/cpp/CMakeLists.txt000066400000000000000000000033031446275054400222540ustar00rootroot00000000000000# For more information about using CMake with Android Studio, read the # documentation: https://d.android.com/studio/projects/add-native-code.html # Sets the minimum version of CMake required to build the native library. cmake_minimum_required(VERSION 3.22.1) # Declares and names the project. project("midireader") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__AMIDI__") # Creates and names a library, sets it as either STATIC # or SHARED, and provides the relative paths to its source code. # You can define multiple libraries, and CMake builds them for you. # Gradle automatically packages shared libraries with your APK. add_library( # Sets the name of the library. midireader # Sets the library as a shared library. SHARED # Provides a relative path to your source file(s). RtMidi.cpp app-jni.cpp) # Searches for a specified prebuilt library and stores the path as a # variable. Because CMake includes system libraries in the search path by # default, you only need to specify the name of the public NDK library # you want to add. CMake verifies that the library exists before # completing its build. find_library( # Sets the name of the path variable. log-lib # Specifies the name of the NDK library that # you want CMake to locate. log) # Specifies libraries CMake should link to your target library. You # can link multiple libraries, such as libraries you define in this # build script, prebuilt third-party libraries, or system libraries. target_link_libraries( # Specifies the target library. midireader # Links the target library to the log library # included in the NDK. ${log-lib} amidi nativehelper)rtmidi-6.0.0/android/app/src/main/cpp/RtMidi.cpp000077700000000000000000000000001446275054400245672../../../../../RtMidi.cppustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/cpp/RtMidi.h000077700000000000000000000000001446275054400237012../../../../../RtMidi.hustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/cpp/app-jni.cpp000066400000000000000000000036661446275054400215720ustar00rootroot00000000000000#include #include #include "RtMidi.h" static RtMidiIn* midiLib = new RtMidiIn( RtMidi::Api::ANDROID_AMIDI ); static jobject callbackObj = NULL; static jmethodID callbackMethod; static JavaVM* jvm; extern "C" JNIEXPORT jobjectArray JNICALL Java_com_rtmidi_yellowlab_midireader_MidiViewModel_portNames( JNIEnv* env, jobject /* this */) { auto portCount = midiLib->getPortCount(); auto names = env->NewObjectArray(portCount, env->FindClass("java/lang/String"), NULL); for (int i=0; igetPortName(i); env->SetObjectArrayElement(names, i, env->NewStringUTF(name.c_str())); } return names; } static void midicallback( double deltatime, std::vector< unsigned char > *message, void */*userData*/ ) { unsigned int numBytes = message->size(); JNIEnv* env; jvm->AttachCurrentThread(&env, NULL); // Allocate the Java array and fill with received data jbyteArray ret = env->NewByteArray(numBytes); env->SetByteArrayRegion(ret, 0, numBytes, (jbyte*)message); // send it to the (Java) callback env->CallVoidMethod(callbackObj, callbackMethod, deltatime, ret); } extern "C" JNIEXPORT void JNICALL Java_com_rtmidi_yellowlab_midireader_MidiViewModel_openPort( JNIEnv *env, jobject /* this */, jint port, jobject listener) { env->GetJavaVM(&jvm); midiLib->setCallback( midicallback ); midiLib->openPort(port); if (callbackObj) env->DeleteGlobalRef(callbackObj); callbackObj = env->NewGlobalRef(listener); callbackMethod = env->GetMethodID(env->GetObjectClass(listener), "onMidiMessage", "(D[B)V"); } extern "C" JNIEXPORT void JNICALL Java_com_rtmidi_yellowlab_midireader_MidiViewModel_closePort( JNIEnv *env, jobject /* this */) { midiLib->closePort(); if (callbackObj) env->DeleteGlobalRef(callbackObj); callbackObj = NULL; callbackMethod = NULL; } rtmidi-6.0.0/android/app/src/main/java/000077500000000000000000000000001446275054400176545ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/java/com/000077500000000000000000000000001446275054400204325ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/000077500000000000000000000000001446275054400217225ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/000077500000000000000000000000001446275054400237145ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/midireader/000077500000000000000000000000001446275054400260215ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/midireader/MainActivity.kt000066400000000000000000000105041446275054400307620ustar00rootroot00000000000000package com.rtmidi.yellowlab.midireader import android.os.Bundle import androidx.activity.ComponentActivity import androidx.activity.compose.setContent import androidx.activity.viewModels import androidx.compose.foundation.clickable import androidx.compose.foundation.layout.Box import androidx.compose.foundation.layout.Column import androidx.compose.foundation.layout.IntrinsicSize import androidx.compose.foundation.layout.Row import androidx.compose.foundation.layout.fillMaxHeight import androidx.compose.foundation.layout.fillMaxSize import androidx.compose.foundation.layout.fillMaxWidth import androidx.compose.foundation.layout.height import androidx.compose.foundation.layout.padding import androidx.compose.foundation.layout.width import androidx.compose.foundation.layout.wrapContentSize import androidx.compose.foundation.lazy.LazyColumn import androidx.compose.foundation.lazy.items import androidx.compose.foundation.shape.CutCornerShape import androidx.compose.material3.Button import androidx.compose.material3.ButtonDefaults.TextButtonContentPadding import androidx.compose.material3.Divider import androidx.compose.material3.DropdownMenu import androidx.compose.material3.DropdownMenuItem import androidx.compose.material3.MaterialTheme import androidx.compose.material3.Surface import androidx.compose.material3.Text import androidx.compose.runtime.Composable import androidx.compose.runtime.mutableStateOf import androidx.compose.runtime.remember import androidx.compose.ui.Alignment import androidx.compose.ui.Modifier import androidx.compose.runtime.getValue import androidx.compose.runtime.setValue import androidx.compose.ui.text.style.TextOverflow import androidx.compose.ui.unit.dp import com.rtmidi.yellowlab.midireader.ui.theme.MidiReaderTheme import androidx.lifecycle.viewmodel.compose.viewModel class MainActivity : ComponentActivity() { private val viewModel by viewModels() override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContent { MidiReaderTheme { Surface( modifier = Modifier.fillMaxSize(), color = MaterialTheme.colorScheme.background ) { Column() { midiPortSelection(viewModel.ports) showEvents(events = viewModel.events) } } } } } } @Composable fun midiPortSelection(ports : List) { val viewModel = viewModel() Row(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.height(IntrinsicSize.Max)) { Text(text = "Midi: ") midiPortsDropDown(ports, Modifier.weight(1f)) Button( shape = CutCornerShape(10), contentPadding = TextButtonContentPadding, onClick = { viewModel.enumerateMidiPorts() }) { Text(text = "Refresh") } } } @Composable fun midiPortsDropDown(ports: List, modifier: Modifier = Modifier) { val viewModel = viewModel() var expanded by remember { mutableStateOf(false) } var selectedIndex by remember { mutableStateOf(0) } Box(modifier = modifier.wrapContentSize(Alignment.TopStart)) { Text(ports[selectedIndex],modifier = Modifier .fillMaxWidth() .clickable(onClick = { expanded = true })) DropdownMenu( expanded = expanded, onDismissRequest = { expanded = false } ) { ports.forEachIndexed { index, s -> DropdownMenuItem(text = { Text(text = s) }, onClick = { selectedIndex = index expanded = false viewModel.selectPort(selectedIndex) }) } } } } @Composable fun showEvents(events: List) { LazyColumn(modifier = Modifier .fillMaxHeight() .padding(5.dp)) { items(events) { Row(modifier = Modifier.height(IntrinsicSize.Max)) { Text(text = it.time.toString(), modifier = Modifier.weight(0.6F), overflow = TextOverflow.Clip) Divider(modifier = Modifier.fillMaxHeight().width(1.dp)) Text(text = it.data, modifier = Modifier.weight(0.4F)) } } } }rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/midireader/MidiViewModel.kt000066400000000000000000000027751446275054400310720ustar00rootroot00000000000000package com.rtmidi.yellowlab.midireader import androidx.compose.runtime.mutableStateListOf import androidx.lifecycle.ViewModel data class MidiEvent( val time: Double = 0.0, val data: String = "" ) @ExperimentalUnsignedTypes fun ByteArray.toHex2(): String = asUByteArray().joinToString("") { it.toString(radix = 16).padStart(2, '0') } class MidiViewModel : ViewModel() { // JNI functions in app-jni.cpp external fun portNames(): Array external fun openPort(port: Int, listener: Any) external fun closePort(): Unit val ports = mutableStateListOf() val events = mutableStateListOf() init { ports.add("NONE") } fun enumerateMidiPorts() { ports.clear() ports.add("NONE") val midiPorts = portNames() ports.addAll(midiPorts) } fun selectPort(id: Int) { events.clear() if (id == 0) { closePort() return } openPort(id - 1, this) } companion object { init { System.loadLibrary("midireader") } } // The JNI code in app-jni.cpp calls this method back when it receives a // MIDI message from RrMidi. // // This callback is not part of the RtMidi library, it's how this demo app // uses RtMidi to update the UI. @Suppress("unused") fun onMidiMessage(time: Double, message: ByteArray) { var textMsg = message.toHex2() events.add(MidiEvent(time = time, data = textMsg)) } }rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/midireader/ui.theme/000077500000000000000000000000001446275054400275375ustar00rootroot00000000000000rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/midireader/ui.theme/Color.kt000066400000000000000000000004471446275054400311620ustar00rootroot00000000000000package com.rtmidi.yellowlab.midireader.ui.theme import androidx.compose.ui.graphics.Color val Purple80 = Color(0xFFD0BCFF) val PurpleGrey80 = Color(0xFFCCC2DC) val Pink80 = Color(0xFFEFB8C8) val Purple40 = Color(0xFF6650a4) val PurpleGrey40 = Color(0xFF625b71) val Pink40 = Color(0xFF7D5260)rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/midireader/ui.theme/Theme.kt000066400000000000000000000042331446275054400311430ustar00rootroot00000000000000package com.rtmidi.yellowlab.midireader.ui.theme import android.app.Activity import android.os.Build import androidx.compose.foundation.isSystemInDarkTheme import androidx.compose.material3.MaterialTheme import androidx.compose.material3.darkColorScheme import androidx.compose.material3.dynamicDarkColorScheme import androidx.compose.material3.dynamicLightColorScheme import androidx.compose.material3.lightColorScheme import androidx.compose.runtime.Composable import androidx.compose.runtime.SideEffect import androidx.compose.ui.graphics.toArgb import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.platform.LocalView import androidx.core.view.WindowCompat private val DarkColorScheme = darkColorScheme( primary = Purple80, secondary = PurpleGrey80, tertiary = Pink80 ) private val LightColorScheme = lightColorScheme( primary = Purple40, secondary = PurpleGrey40, tertiary = Pink40 /* Other default colors to override background = Color(0xFFFFFBFE), surface = Color(0xFFFFFBFE), onPrimary = Color.White, onSecondary = Color.White, onTertiary = Color.White, onBackground = Color(0xFF1C1B1F), onSurface = Color(0xFF1C1B1F), */ ) @Composable fun MidiReaderTheme( darkTheme: Boolean = isSystemInDarkTheme(), // Dynamic color is available on Android 12+ dynamicColor: Boolean = true, content: @Composable () -> Unit ) { val colorScheme = when { dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> { val context = LocalContext.current if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context) } darkTheme -> DarkColorScheme else -> LightColorScheme } val view = LocalView.current if (!view.isInEditMode) { SideEffect { val window = (view.context as Activity).window window.statusBarColor = colorScheme.primary.toArgb() WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme } } MaterialTheme( colorScheme = colorScheme, typography = Typography, content = content ) }rtmidi-6.0.0/android/app/src/main/java/com/rtmidi/yellowlab/midireader/ui.theme/Type.kt000066400000000000000000000017501446275054400310230ustar00rootroot00000000000000package com.rtmidi.yellowlab.midireader.ui.theme import androidx.compose.material3.Typography import androidx.compose.ui.text.TextStyle import androidx.compose.ui.text.font.FontFamily import androidx.compose.ui.text.font.FontWeight import androidx.compose.ui.unit.sp // Set of Material typography styles to start with val Typography = Typography( bodyLarge = TextStyle( fontFamily = FontFamily.Default, fontWeight = FontWeight.Normal, fontSize = 16.sp, lineHeight = 24.sp, letterSpacing = 0.5.sp ) /* Other default text styles to override titleLarge = TextStyle( fontFamily = FontFamily.Default, fontWeight = FontWeight.Normal, fontSize = 22.sp, lineHeight = 28.sp, letterSpacing = 0.sp ), labelSmall = TextStyle( fontFamily = FontFamily.Default, fontWeight = FontWeight.Medium, fontSize = 11.sp, lineHeight = 16.sp, letterSpacing = 0.5.sp ) */ 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