Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Went back to using timidity for midi support:
Included timidity stuff from final-lgpl-revision tag, along with updates from SDL2_mixer, excluding the raised DEFAULT_VOICES and MAX_VOICES limits. TODO: Use more SDL_stdinc functions in timidity library.
- Loading branch information
Showing
36 changed files
with
5,383 additions
and
7,366 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,174 @@ | ||
| /** | ||
| * SDL_sound; An abstract sound format decoding API. | ||
| * | ||
| * Please see the file LICENSE.txt in the source's root directory. | ||
| * | ||
| * This file written by Torbjörn Andersson. | ||
| */ | ||
|
|
||
| /* | ||
| * This driver handles MIDI data through a stripped-down version of TiMidity. | ||
| * See the documentation in the timidity subdirectory. | ||
| */ | ||
|
|
||
| #define __SDL_SOUND_INTERNAL__ | ||
| #include "SDL_sound_internal.h" | ||
|
|
||
| #if SOUND_SUPPORTS_MIDI | ||
|
|
||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
|
|
||
| #include "timidity/timidity.h" | ||
|
|
||
|
|
||
| /* Config file should contain any other directory that needs | ||
| * to be added to the search path. The library adds the path | ||
| * of the config file to its search path, too. */ | ||
| #if defined(_WIN32) || defined(__OS2__) | ||
| # define TIMIDITY_CFG "C:\\TIMIDITY\\TIMIDITY.CFG" | ||
| #else /* unix: */ | ||
| # define TIMIDITY_CFG_ETC "/etc/timidity.cfg" | ||
| # define TIMIDITY_CFG_FREEPATS "/etc/timidity/freepats.cfg" | ||
| #endif | ||
|
|
||
| static int MIDI_init(void) | ||
| { | ||
| const char *cfg; | ||
| int rc = -1; | ||
|
|
||
| cfg = SDL_getenv("TIMIDITY_CFG"); | ||
| if (cfg) { | ||
| rc = Timidity_Init(cfg); /* env or user override: no other tries */ | ||
| } | ||
| else { | ||
| #if defined(TIMIDITY_CFG) | ||
| if (rc < 0) rc = Timidity_Init(TIMIDITY_CFG); | ||
| #endif | ||
| #if defined(TIMIDITY_CFG_ETC) | ||
| if (rc < 0) rc = Timidity_Init(TIMIDITY_CFG_ETC); | ||
| #endif | ||
| #if defined(TIMIDITY_CFG_FREEPATS) | ||
| if (rc < 0) rc = Timidity_Init(TIMIDITY_CFG_FREEPATS); | ||
| #endif | ||
| if (rc < 0) rc = Timidity_Init(NULL); /* library's default cfg. */ | ||
| } | ||
|
|
||
| BAIL_IF_MACRO(rc < 0, "MIDI: Could not initialise", 0); | ||
| return(1); | ||
| } /* MIDI_init */ | ||
|
|
||
|
|
||
| static void MIDI_quit(void) | ||
| { | ||
| Timidity_Exit(); | ||
| } /* MIDI_quit */ | ||
|
|
||
|
|
||
| static int MIDI_open(Sound_Sample *sample, const char *ext) | ||
| { | ||
| Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque; | ||
| SDL_RWops *rw = internal->rw; | ||
| SDL_AudioSpec spec; | ||
| MidiSong *song; | ||
|
|
||
| spec.channels = 2; | ||
| spec.format = AUDIO_S16SYS; | ||
| spec.freq = 44100; | ||
| spec.samples = 4096; | ||
|
|
||
| song = Timidity_LoadSong(rw, &spec); | ||
| BAIL_IF_MACRO(song == NULL, "MIDI: Not a MIDI file.", 0); | ||
| Timidity_SetVolume(song, 100); | ||
| Timidity_Start(song); | ||
|
|
||
| SNDDBG(("MIDI: Accepting data stream.\n")); | ||
|
|
||
| internal->decoder_private = (void *) song; | ||
| internal->total_time = Timidity_GetSongLength(song); | ||
|
|
||
| sample->actual.channels = 2; | ||
| sample->actual.rate = 44100; | ||
| sample->actual.format = AUDIO_S16SYS; | ||
| sample->flags = SOUND_SAMPLEFLAG_CANSEEK; | ||
|
|
||
| return(1); /* we'll handle this data. */ | ||
| } /* MIDI_open */ | ||
|
|
||
|
|
||
| static void MIDI_close(Sound_Sample *sample) | ||
| { | ||
| Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque; | ||
| MidiSong *song = (MidiSong *) internal->decoder_private; | ||
|
|
||
| Timidity_FreeSong(song); | ||
| } /* MIDI_close */ | ||
|
|
||
|
|
||
| static Uint32 MIDI_read(Sound_Sample *sample) | ||
| { | ||
| Uint32 retval; | ||
| Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque; | ||
| MidiSong *song = (MidiSong *) internal->decoder_private; | ||
|
|
||
| retval = Timidity_PlaySome(song, internal->buffer, internal->buffer_size); | ||
|
|
||
| /* Make sure the read went smoothly... */ | ||
| if (retval == 0) | ||
| sample->flags |= SOUND_SAMPLEFLAG_EOF; | ||
|
|
||
| else if (retval == -1) | ||
| sample->flags |= SOUND_SAMPLEFLAG_ERROR; | ||
|
|
||
| /* (next call this EAGAIN may turn into an EOF or error.) */ | ||
| else if (retval < internal->buffer_size) | ||
| sample->flags |= SOUND_SAMPLEFLAG_EAGAIN; | ||
|
|
||
| return(retval); | ||
| } /* MIDI_read */ | ||
|
|
||
|
|
||
| static int MIDI_rewind(Sound_Sample *sample) | ||
| { | ||
| Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque; | ||
| MidiSong *song = (MidiSong *) internal->decoder_private; | ||
|
|
||
| Timidity_Start(song); | ||
| return(1); | ||
| } /* MIDI_rewind */ | ||
|
|
||
|
|
||
| static int MIDI_seek(Sound_Sample *sample, Uint32 ms) | ||
| { | ||
| Sound_SampleInternal *internal = (Sound_SampleInternal *) sample->opaque; | ||
| MidiSong *song = (MidiSong *) internal->decoder_private; | ||
|
|
||
| Timidity_Seek(song, ms); | ||
| return(1); | ||
| } /* MIDI_seek */ | ||
|
|
||
|
|
||
| static const char *extensions_midi[] = { "MIDI", "MID", NULL }; | ||
| const Sound_DecoderFunctions __Sound_DecoderFunctions_MIDI = | ||
| { | ||
| { | ||
| extensions_midi, | ||
| "MIDI decoder, using a subset of TiMidity", | ||
| "Torbjörn Andersson <d91tan@Update.UU.SE>", | ||
| "http://www.icculus.org/SDL_sound/" | ||
| }, | ||
|
|
||
| MIDI_init, /* init() method */ | ||
| MIDI_quit, /* quit() method */ | ||
| MIDI_open, /* open() method */ | ||
| MIDI_close, /* close() method */ | ||
| MIDI_read, /* read() method */ | ||
| MIDI_rewind, /* rewind() method */ | ||
| MIDI_seek /* seek() method */ | ||
| }; | ||
|
|
||
| #endif /* SOUND_SUPPORTS_MIDI */ | ||
|
|
||
| /* end of SDL_sound_midi.c ... */ | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.