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142 lines
7 KiB
Text
142 lines
7 KiB
Text
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RtMidi - a set of C++ classes that provides a common API for realtime MIDI input/output across Linux (ALSA & JACK), Macintosh OS X (CoreMIDI & JACK), and Windows (Multimedia Library).
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By Gary P. Scavone, 2003-2021 (with help from many others, especially Stephen Sinclair!)
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v.5.0.0: (16 November 2021)
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- see git history for complete list of changes
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- new Web MIDI API
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- iOS support
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- new setBufferSize() function
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- fixes for WinMM, Jack
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- added C API test program
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- now requiring C++11
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- build system updates
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- midiprobe probes all compiled APIs
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- various build system updates and code efficiencies
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v.4.0.0: (17 April 2019)
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- see git history for complete list of changes
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- updates to test programs to clarify port numbering
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- new C API wrapper
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- new functions to get API names
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- miscellaneous sysex fixes in Jack and ALSA
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- new setPortName() method (for Jack and ALSA)
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- new setClientName() method (for ALSA)
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- various build system updates and code efficiencies
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v.3.0.0: (31 August 2017)
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- see git history for complete list of changes
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- new sendMessage() function that does not use std::vector
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- various std::string updates, including use of UTF8 for port names
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- fixes for the MIDI queue
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- various build system updates and code efficiencies
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v2.1.1: (11 February 2016)
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- updates to automake routines
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- added C API (thanks to Atsushi Eno!)
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- JACK ringbuffer allocation change
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- OSX virtual port closing fix
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- OSX sysex sending fix
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- moved Windows kernel streaming code to other branch because it is incomplete
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- miscellaneous small fixes
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v2.1.0: (30 March 2014)
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- renamed RtError class to RtMidiError and embedded it in RtMidi.h (and deleted RtError.h)
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- fix to CoreMIDI implementation to support dynamic port changes
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- removed global ALSA sequencer objects because they were not thread safe (Martin Koegler)
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- fix for ALSA timing ignore flag (Devin Anderson)
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- fix for ALSA incorrect use of snd_seq_create_port() function (Tobias Schlemmer)
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- fix for international character support in CoreMIDI (Martin Finke)
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- fix for unicode conversion in WinMM (Dan Wilcox)
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- added custom error hook that allows the client to capture an RtMidi error outside of the RtMidi code (Pavel Mogilevskiy)
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- added RtMidi::isPortOpen function (Pavel Mogilevskiy)
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- updated OS-X sysex sending mechanism to use normal message sending, which fixes a problem where virtual ports didn't receive sysex messages
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- Windows update to avoid lockups when shutting down while sending/receiving sysex messages (ptarabbia)
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- OS-X fix to avoid empty messages in callbacks when ignoring sysex messages and split sysexes are received (codepainters)
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- ALSA openPort fix to better distinguish sender and receiver (Russell Smyth)
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- Windows Kernel Streaming support removed because it was uncompilable and incomplete
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v2.0.1: (26 July 2012)
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- small fixes for problems reported by Chris Arndt (scoping, preprocessor, and include)
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v2.0.0: (18 June 2012)
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- revised structure to support multiple simultaneous compiled APIs
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- revised ALSA client hierarchy so subsequent instances share same client (thanks to Dan Wilcox)
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- added beta Windows kernel streaming support (thanks to Sebastien Alaiwan)
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- updates to compile as a shared library or dll
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- updated license
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- various memory-leak fixes (thanks to Sebastien Alaiwan and Martin Koegler)
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- fix for continue sysex problem (thanks to Luc Deschenaux)
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- removed SGI (IRIX) support
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v1.0.15: (11 August 2011)
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- updates for wide character support in Windows
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- stopped using std::queue and implemented internal MIDI ring buffer (for thread safety ... thanks to Michael Behrman)
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- removal of the setQueueSizeLimit() function ... queue size limit now an optional arguement to constructor
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v1.0.14: (17 April 2011)
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- bug fix to Jack MIDI support (thanks to Alexander Svetalkin and Pedro Lopez-Cabanillas)
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v1.0.13: (7 April 2011)
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- updated RtError.h to the same version as in RtAudio
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- new Jack MIDI support in Linux (thanks to Alexander Svetalkin)
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v1.0.12: (17 February 2011)
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- Windows 64-bit pointer fixes (thanks to Ward Kockelkorn)
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- removed possible exceptions from getPortName() functions
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- changed sysex sends in OS-X to use MIDISendSysex() function (thanks to Casey Tucker)
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- bug fixes to time code parsing in OS-X and ALSA (thanks to Greg)
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- added MSW project file to build as library (into lib/ directory ... thanks to Jason Champion)
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v1.0.11: (29 January 2010)
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- added CoreServices/CoreServices.h include for OS-X 10.6 and gcc4.2 compile (thanks to Jon McCormack)
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- various increment optimizations (thanks to Paul Dean)
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- fixed incorrectly located snd_seq_close() function in ALSA API (thanks to Pedro Lopez-Cabanillas)
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- updates to Windows sysex code to better deal with possible delivery problems (thanks to Bastiaan Verreijt)
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v1.0.10: (3 June 2009)
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- fix adding timestamp to OS-X sendMessage() function (thanks to John Dey)
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v1.0.9: (30 April 2009)
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- added #ifdef AVOID_TIMESTAMPING to conditionally compile support for event timestamping of ALSA sequencer events. This is useful for programs not needing timestamps, saving valuable system resources.
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- updated functionality in OSX_CORE for getting driver name (thanks to Casey Tucker)
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v1.0.8: (29 January 2009)
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- bug fixes for concatenating segmented sysex messages in ALSA (thanks to Christoph Eckert)
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- update to ALSA sequencer port enumeration (thanks to Pedro Lopez-Cabonillas)
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- bug fixes for concatenating segmented sysex messages in OS-X (thanks to Emmanuel Litzroth)
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- added functionality for naming clients (thanks to Pedro Lopez-Cabonillas and Axel Schmidt)
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- bug fix in Windows when receiving sysex messages if the ignore flag was set (thanks to Pedro Lopez-Cabonillas)
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v1.0.7: (7 December 2007)
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- configure and Makefile changes for MinGW
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- renamed midiinfo.cpp to midiprobe.cpp and updated VC++ project/workspace
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v1.0.6: (9 March 2006)
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- bug fix for timestamp problem in ALSA (thanks to Pedro Lopez-Cabanillas)
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v1.0.5: (18 November 2005)
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- added optional port name to openVirtualPort() functions
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- fixed UNICODE problem in Windows getting device names (thanks Eduardo Coutinho!).
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- fixed bug in Windows with respect to getting Sysex data (thanks Jean-Baptiste Berruchon!)
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v1.0.4: (14 October 2005)
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- added check for status byte == 0xF8 if ignoring timing messages
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- changed pthread attribute to SCHED_OTHER (from SCHED_RR) to avoid thread problem when realtime cababilities are not enabled.
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- now using ALSA sequencer time stamp information (thanks to Pedro Lopez-Cabanillas)
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- fixed memory leak in ALSA implementation
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- now concatenate segmented sysex messages in ALSA
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v1.0.3: (22 November 2004)
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- added common pure virtual functions to RtMidi abstract base class
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v1.0.2: (21 September 2004)
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- added warning messages to openVirtualPort() functions in Windows and Irix (where it can't be implemented)
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v1.0.1: (20 September 2004)
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- changed ALSA preprocessor definition to __LINUX_ALSASEQ__
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v1.0.0: (17 September 2004)
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- first release of new independent class with both input and output functionality
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