forked from KolibriOS/kolibrios
1601 lines
34 KiB
C
1601 lines
34 KiB
C
/*
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SDL_mixer: An audio mixer library based on the SDL library
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Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/* $Id$ */
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <assert.h>
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#include "SDL_endian.h"
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#include "SDL_audio.h"
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#include "SDL_timer.h"
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#include "SDL_mixer.h"
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#ifdef CMD_MUSIC
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#include "music_cmd.h"
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#endif
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#ifdef WAV_MUSIC
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#include "wavestream.h"
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#endif
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#ifdef MODPLUG_MUSIC
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#include "music_modplug.h"
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#endif
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#ifdef MOD_MUSIC
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#include "music_mod.h"
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#endif
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#ifdef MID_MUSIC
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# ifdef USE_TIMIDITY_MIDI
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# include "timidity.h"
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# endif
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# ifdef USE_FLUIDSYNTH_MIDI
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# include "fluidsynth.h"
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# endif
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# ifdef USE_NATIVE_MIDI
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# include "native_midi.h"
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# endif
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#endif
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#ifdef OGG_MUSIC
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#include "music_ogg.h"
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#endif
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#ifdef MP3_MUSIC
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#include "dynamic_mp3.h"
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#endif
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#ifdef MP3_MAD_MUSIC
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#include "music_mad.h"
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#endif
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#ifdef FLAC_MUSIC
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#include "music_flac.h"
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#endif
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#if defined(MP3_MUSIC) || defined(MP3_MAD_MUSIC)
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static SDL_AudioSpec used_mixer;
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#endif
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unsigned uSDL_GetTicks();
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#define uSDL_Delay SDL_Delay
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#define uSDL_GetTicks SDL_GetTicks
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int volatile music_active = 1;
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static int volatile music_stopped = 0;
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static int music_loops = 0;
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static char *music_cmd = NULL;
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static Mix_Music * volatile music_playing = NULL;
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static int music_volume = MIX_MAX_VOLUME;
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struct _Mix_Music {
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Mix_MusicType type;
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union {
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#ifdef CMD_MUSIC
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MusicCMD *cmd;
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#endif
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#ifdef WAV_MUSIC
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WAVStream *wave;
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#endif
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#ifdef MODPLUG_MUSIC
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modplug_data *modplug;
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#endif
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#ifdef MOD_MUSIC
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struct MODULE *module;
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#endif
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#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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MidiSong *midi;
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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FluidSynthMidiSong *fluidsynthmidi;
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#endif
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#ifdef USE_NATIVE_MIDI
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NativeMidiSong *nativemidi;
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#endif
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#endif
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#ifdef OGG_MUSIC
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OGG_music *ogg;
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#endif
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#ifdef MP3_MUSIC
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SMPEG *mp3;
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#endif
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#ifdef MP3_MAD_MUSIC
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mad_data *mp3_mad;
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#endif
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#ifdef FLAC_MUSIC
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FLAC_music *flac;
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#endif
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} data;
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Mix_Fading fading;
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int fade_step;
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int fade_steps;
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int error;
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};
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#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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static int timidity_ok;
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static int samplesize;
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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static int fluidsynth_ok;
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#endif
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#ifdef USE_NATIVE_MIDI
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static int native_midi_ok;
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#endif
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#endif
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/* Used to calculate fading steps */
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static int ms_per_step;
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/* rcg06042009 report available decoders at runtime. */
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static const char **music_decoders = NULL;
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static int num_decoders = 0;
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/* Semicolon-separated SoundFont paths */
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#ifdef MID_MUSIC
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char* soundfont_paths = NULL;
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#endif
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int Mix_GetNumMusicDecoders(void)
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{
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return(num_decoders);
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}
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const char *Mix_GetMusicDecoder(int index)
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{
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if ((index < 0) || (index >= num_decoders)) {
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return NULL;
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}
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return(music_decoders[index]);
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}
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static void add_music_decoder(const char *decoder)
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{
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void *ptr = SDL_realloc(music_decoders, (num_decoders + 1) * sizeof (const char **));
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if (ptr == NULL) {
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return; /* oh well, go on without it. */
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}
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music_decoders = (const char **) ptr;
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music_decoders[num_decoders++] = decoder;
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}
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/* Local low-level functions prototypes */
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static void music_internal_initialize_volume(void);
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static void music_internal_volume(int volume);
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static int music_internal_play(Mix_Music *music, double position);
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static int music_internal_position(double position);
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static int music_internal_playing();
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static void music_internal_halt(void);
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/* Support for hooking when the music has finished */
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static void (*music_finished_hook)(void) = NULL;
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void Mix_HookMusicFinished(void (*music_finished)(void))
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{
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SDL_LockAudio();
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music_finished_hook = music_finished;
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SDL_UnlockAudio();
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}
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/* If music isn't playing, halt it if no looping is required, restart it */
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/* otherwhise. NOP if the music is playing */
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static int music_halt_or_loop (void)
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{
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/* Restart music if it has to loop */
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if (!music_internal_playing())
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{
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#ifdef USE_NATIVE_MIDI
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/* Native MIDI handles looping internally */
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if (music_playing->type == MUS_MID && native_midi_ok) {
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music_loops = 0;
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}
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#endif
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/* Restart music if it has to loop at a high level */
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if (music_loops)
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{
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Mix_Fading current_fade;
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--music_loops;
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current_fade = music_playing->fading;
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music_internal_play(music_playing, 0.0);
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music_playing->fading = current_fade;
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}
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else
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{
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music_internal_halt();
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if (music_finished_hook)
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music_finished_hook();
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return 0;
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}
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}
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return 1;
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}
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/* Mixing function */
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void music_mixer(void *udata, Uint8 *stream, int len)
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{
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int left = 0;
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if ( music_playing && music_active ) {
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/* Handle fading */
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if ( music_playing->fading != MIX_NO_FADING ) {
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if ( music_playing->fade_step++ < music_playing->fade_steps ) {
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int volume;
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int fade_step = music_playing->fade_step;
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int fade_steps = music_playing->fade_steps;
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if ( music_playing->fading == MIX_FADING_OUT ) {
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volume = (music_volume * (fade_steps-fade_step)) / fade_steps;
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} else { /* Fading in */
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volume = (music_volume * fade_step) / fade_steps;
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}
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music_internal_volume(volume);
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} else {
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if ( music_playing->fading == MIX_FADING_OUT ) {
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music_internal_halt();
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if ( music_finished_hook ) {
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music_finished_hook();
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}
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return;
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}
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music_playing->fading = MIX_NO_FADING;
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}
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}
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music_halt_or_loop();
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if (!music_internal_playing())
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return;
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switch (music_playing->type) {
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#ifdef CMD_MUSIC
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case MUS_CMD:
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/* The playing is done externally */
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break;
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#endif
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#ifdef WAV_MUSIC
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case MUS_WAV:
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left = WAVStream_PlaySome(stream, len);
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break;
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#endif
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#ifdef MODPLUG_MUSIC
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case MUS_MODPLUG:
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left = modplug_playAudio(music_playing->data.modplug, stream, len);
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break;
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#endif
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#ifdef MOD_MUSIC
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case MUS_MOD:
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left = MOD_playAudio(music_playing->data.module, stream, len);
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break;
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#endif
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#ifdef MID_MUSIC
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case MUS_MID:
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#ifdef USE_NATIVE_MIDI
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if ( native_midi_ok ) {
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/* Native midi is handled asynchronously */
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goto skip;
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}
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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if ( fluidsynth_ok ) {
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fluidsynth_playsome(music_playing->data.fluidsynthmidi, stream, len);
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goto skip;
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}
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#endif
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#ifdef USE_TIMIDITY_MIDI
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if ( timidity_ok ) {
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int samples = len / samplesize;
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Timidity_PlaySome(stream, samples);
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goto skip;
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}
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#endif
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break;
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#endif
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#ifdef OGG_MUSIC
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case MUS_OGG:
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left = OGG_playAudio(music_playing->data.ogg, stream, len);
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break;
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#endif
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#ifdef FLAC_MUSIC
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case MUS_FLAC:
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left = FLAC_playAudio(music_playing->data.flac, stream, len);
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break;
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#endif
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#ifdef MP3_MUSIC
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case MUS_MP3:
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left = (len - smpeg.SMPEG_playAudio(music_playing->data.mp3, stream, len));
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break;
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#endif
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#ifdef MP3_MAD_MUSIC
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case MUS_MP3_MAD:
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left = mad_getSamples(music_playing->data.mp3_mad, stream, len);
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break;
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#endif
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default:
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/* Unknown music type?? */
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break;
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}
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}
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skip:
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/* Handle seamless music looping */
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if (left > 0 && left < len) {
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music_halt_or_loop();
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if (music_internal_playing())
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music_mixer(udata, stream+(len-left), left);
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}
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}
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/* Initialize the music players with a certain desired audio format */
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int open_music(SDL_AudioSpec *mixer)
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{
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#ifdef WAV_MUSIC
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if ( WAVStream_Init(mixer) == 0 ) {
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add_music_decoder("WAVE");
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}
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#endif
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#ifdef MODPLUG_MUSIC
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if ( modplug_init(mixer) == 0 ) {
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add_music_decoder("MODPLUG");
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}
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#endif
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#ifdef MOD_MUSIC
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if ( MOD_init(mixer) == 0 ) {
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add_music_decoder("MIKMOD");
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}
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#endif
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#ifdef MID_MUSIC
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#ifdef USE_TIMIDITY_MIDI
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samplesize = mixer->size / mixer->samples;
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if ( Timidity_Init(mixer->freq, mixer->format,
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mixer->channels, mixer->samples) == 0 ) {
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timidity_ok = 1;
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add_music_decoder("TIMIDITY");
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} else {
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timidity_ok = 0;
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}
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#endif
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#ifdef USE_FLUIDSYNTH_MIDI
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if ( fluidsynth_init(mixer) == 0 ) {
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fluidsynth_ok = 1;
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add_music_decoder("FLUIDSYNTH");
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} else {
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fluidsynth_ok = 0;
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}
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#endif
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#ifdef USE_NATIVE_MIDI
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#ifdef USE_FLUIDSYNTH_MIDI
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native_midi_ok = !fluidsynth_ok;
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if ( native_midi_ok )
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#endif
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#ifdef USE_TIMIDITY_MIDI
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native_midi_ok = !timidity_ok;
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if ( !native_midi_ok ) {
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native_midi_ok = (getenv("SDL_NATIVE_MUSIC") != NULL);
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}
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if ( native_midi_ok )
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#endif
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native_midi_ok = native_midi_detect();
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if ( native_midi_ok )
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add_music_decoder("NATIVEMIDI");
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#endif
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#endif
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#ifdef OGG_MUSIC
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if ( OGG_init(mixer) == 0 ) {
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add_music_decoder("OGG");
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}
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#endif
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#ifdef FLAC_MUSIC
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if ( FLAC_init(mixer) == 0 ) {
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add_music_decoder("FLAC");
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}
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#endif
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#if defined(MP3_MUSIC) || defined(MP3_MAD_MUSIC)
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/* Keep a copy of the mixer */
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used_mixer = *mixer;
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add_music_decoder("MP3");
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#endif
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music_playing = NULL;
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music_stopped = 0;
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Mix_VolumeMusic(SDL_MIX_MAXVOLUME);
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/* Calculate the number of ms for each callback */
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ms_per_step = (int) (((float)mixer->samples * 1000.0) / mixer->freq);
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return(0);
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}
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/* Portable case-insensitive string compare function */
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int MIX_string_equals(const char *str1, const char *str2)
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{
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while ( *str1 && *str2 ) {
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if ( toupper((unsigned char)*str1) !=
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toupper((unsigned char)*str2) )
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break;
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++str1;
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++str2;
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}
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return (!*str1 && !*str2);
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}
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static int detect_mp3(Uint8 *magic)
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{
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if ( strncmp((char *)magic, "ID3", 3) == 0 ) {
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return 1;
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}
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/* Detection code lifted from SMPEG */
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if(((magic[0] & 0xff) != 0xff) || // No sync bits
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((magic[1] & 0xf0) != 0xf0) || //
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((magic[2] & 0xf0) == 0x00) || // Bitrate is 0
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((magic[2] & 0xf0) == 0xf0) || // Bitrate is 15
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((magic[2] & 0x0c) == 0x0c) || // Frequency is 3
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((magic[1] & 0x06) == 0x00)) { // Layer is 4
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return(0);
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}
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return 1;
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}
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/* MUS_MOD can't be auto-detected. If no other format was detected, MOD is
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* assumed and MUS_MOD will be returned, meaning that the format might not
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* actually be MOD-based.
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*
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* Returns MUS_NONE in case of errors. */
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static Mix_MusicType detect_music_type(SDL_RWops *rw)
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{
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Uint8 magic[5];
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Uint8 moremagic[9];
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int start = SDL_RWtell(rw);
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if (SDL_RWread(rw, magic, 1, 4) != 4 || SDL_RWread(rw, moremagic, 1, 8) != 8 ) {
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Mix_SetError("Couldn't read from RWops");
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return MUS_NONE;
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}
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SDL_RWseek(rw, start, RW_SEEK_SET);
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magic[4]='\0';
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moremagic[8] = '\0';
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|
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/* WAVE files have the magic four bytes "RIFF"
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AIFF files have the magic 12 bytes "FORM" XXXX "AIFF" */
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if (((strcmp((char *)magic, "RIFF") == 0) && (strcmp((char *)(moremagic+4), "WAVE") == 0)) ||
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(strcmp((char *)magic, "FORM") == 0)) {
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return MUS_WAV;
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}
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|
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/* Ogg Vorbis files have the magic four bytes "OggS" */
|
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if (strcmp((char *)magic, "OggS") == 0) {
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return MUS_OGG;
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}
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|
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/* FLAC files have the magic four bytes "fLaC" */
|
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if (strcmp((char *)magic, "fLaC") == 0) {
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return MUS_FLAC;
|
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}
|
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|
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/* MIDI files have the magic four bytes "MThd" */
|
|
if (strcmp((char *)magic, "MThd") == 0) {
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return MUS_MID;
|
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}
|
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|
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if (detect_mp3(magic)) {
|
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return MUS_MP3;
|
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}
|
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|
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/* Assume MOD format.
|
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*
|
|
* Apparently there is no way to check if the file is really a MOD,
|
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* or there are too many formats supported by MikMod/ModPlug, or
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* MikMod/ModPlug does this check by itself. */
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return MUS_MOD;
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}
|
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|
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/* Load a music file */
|
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Mix_Music *Mix_LoadMUS(const char *file)
|
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{
|
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SDL_RWops *rw;
|
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Mix_Music *music;
|
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Mix_MusicType type;
|
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char *ext = strrchr(file, '.');
|
|
|
|
#ifdef CMD_MUSIC
|
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if ( music_cmd ) {
|
|
/* Allocate memory for the music structure */
|
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music = (Mix_Music *)SDL_malloc(sizeof(Mix_Music));
|
|
if ( music == NULL ) {
|
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Mix_SetError("Out of memory");
|
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return(NULL);
|
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}
|
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music->error = 0;
|
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music->type = MUS_CMD;
|
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music->data.cmd = MusicCMD_LoadSong(music_cmd, file);
|
|
if ( music->data.cmd == NULL ) {
|
|
SDL_free(music);
|
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music == NULL;
|
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}
|
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return music;
|
|
}
|
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#endif
|
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|
|
rw = SDL_RWFromFile(file, "rb");
|
|
if ( rw == NULL ) {
|
|
Mix_SetError("Couldn't open '%s'", file);
|
|
return NULL;
|
|
}
|
|
|
|
/* Use the extension as a first guess on the file type */
|
|
type = MUS_NONE;
|
|
ext = strrchr(file, '.');
|
|
/* No need to guard these with #ifdef *_MUSIC stuff,
|
|
* since we simply call Mix_LoadMUSType_RW() later */
|
|
if ( ext ) {
|
|
++ext; /* skip the dot in the extension */
|
|
if ( MIX_string_equals(ext, "WAV") ) {
|
|
type = MUS_WAV;
|
|
} else if ( MIX_string_equals(ext, "MID") ||
|
|
MIX_string_equals(ext, "MIDI") ||
|
|
MIX_string_equals(ext, "KAR") ) {
|
|
type = MUS_MID;
|
|
} else if ( MIX_string_equals(ext, "OGG") ) {
|
|
type = MUS_OGG;
|
|
} else if ( MIX_string_equals(ext, "FLAC") ) {
|
|
type = MUS_FLAC;
|
|
} else if ( MIX_string_equals(ext, "MPG") ||
|
|
MIX_string_equals(ext, "MPEG") ||
|
|
MIX_string_equals(ext, "MP3") ||
|
|
MIX_string_equals(ext, "MAD") ) {
|
|
type = MUS_MP3;
|
|
}
|
|
}
|
|
if ( type == MUS_NONE ) {
|
|
type = detect_music_type(rw);
|
|
}
|
|
|
|
/* We need to know if a specific error occurs; if not, we'll set a
|
|
* generic one, so we clear the current one. */
|
|
Mix_SetError("");
|
|
music = Mix_LoadMUSType_RW(rw, type, SDL_TRUE);
|
|
if ( music == NULL && Mix_GetError()[0] == '\0' ) {
|
|
SDL_FreeRW(rw);
|
|
Mix_SetError("Couldn't open '%s'", file);
|
|
}
|
|
return music;
|
|
}
|
|
|
|
Mix_Music *Mix_LoadMUS_RW(SDL_RWops *rw)
|
|
{
|
|
return Mix_LoadMUSType_RW(rw, MUS_NONE, SDL_FALSE);
|
|
}
|
|
|
|
Mix_Music *Mix_LoadMUSType_RW(SDL_RWops *rw, Mix_MusicType type, int freesrc)
|
|
{
|
|
Mix_Music *music;
|
|
|
|
if (!rw) {
|
|
Mix_SetError("RWops pointer is NULL");
|
|
return NULL;
|
|
}
|
|
|
|
/* If the caller wants auto-detection, figure out what kind of file
|
|
* this is. */
|
|
if (type == MUS_NONE) {
|
|
if ((type = detect_music_type(rw)) == MUS_NONE) {
|
|
/* Don't call Mix_SetError() here since detect_music_type()
|
|
* does that. */
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* Allocate memory for the music structure */
|
|
music = (Mix_Music *)SDL_malloc(sizeof(Mix_Music));
|
|
if (music == NULL ) {
|
|
Mix_SetError("Out of memory");
|
|
return NULL;
|
|
}
|
|
music->error = 0;
|
|
|
|
switch (type) {
|
|
#ifdef WAV_MUSIC
|
|
case MUS_WAV:
|
|
/* The WAVE loader needs the first 4 bytes of the header */
|
|
{
|
|
Uint8 magic[5];
|
|
int start = SDL_RWtell(rw);
|
|
if (SDL_RWread(rw, magic, 1, 4) != 4) {
|
|
Mix_SetError("Couldn't read from RWops");
|
|
return MUS_NONE;
|
|
}
|
|
SDL_RWseek(rw, start, RW_SEEK_SET);
|
|
magic[4] = '\0';
|
|
music->type = MUS_WAV;
|
|
music->data.wave = WAVStream_LoadSong_RW(rw, (char *)magic, freesrc);
|
|
}
|
|
if (music->data.wave == NULL) {
|
|
music->error = 1;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef OGG_MUSIC
|
|
case MUS_OGG:
|
|
music->type = MUS_OGG;
|
|
music->data.ogg = OGG_new_RW(rw, freesrc);
|
|
if ( music->data.ogg == NULL ) {
|
|
music->error = 1;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef FLAC_MUSIC
|
|
case MUS_FLAC:
|
|
music->type = MUS_FLAC;
|
|
music->data.flac = FLAC_new_RW(rw, freesrc);
|
|
if ( music->data.flac == NULL ) {
|
|
music->error = 1;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MUSIC
|
|
case MUS_MP3:
|
|
if ( Mix_Init(MIX_INIT_MP3) ) {
|
|
SMPEG_Info info;
|
|
music->type = MUS_MP3;
|
|
music->data.mp3 = smpeg.SMPEG_new_rwops(rw, &info, 0);
|
|
if ( !info.has_audio ) {
|
|
Mix_SetError("MPEG file does not have any audio stream.");
|
|
music->error = 1;
|
|
} else {
|
|
smpeg.SMPEG_actualSpec(music->data.mp3, &used_mixer);
|
|
}
|
|
} else {
|
|
music->error = 1;
|
|
}
|
|
break;
|
|
#elif defined(MP3_MAD_MUSIC)
|
|
case MUS_MP3:
|
|
music->type = MUS_MP3_MAD;
|
|
music->data.mp3_mad = mad_openFileRW(rw, &used_mixer, freesrc);
|
|
if (music->data.mp3_mad == 0) {
|
|
Mix_SetError("Could not initialize MPEG stream.");
|
|
music->error = 1;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef MID_MUSIC
|
|
case MUS_MID:
|
|
music->type = MUS_MID;
|
|
#ifdef USE_NATIVE_MIDI
|
|
if ( native_midi_ok ) {
|
|
music->data.nativemidi = native_midi_loadsong_RW(rw, freesrc);
|
|
if ( music->data.nativemidi == NULL ) {
|
|
Mix_SetError("%s", native_midi_error());
|
|
music->error = 1;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef USE_FLUIDSYNTH_MIDI
|
|
if ( fluidsynth_ok ) {
|
|
music->data.fluidsynthmidi = fluidsynth_loadsong_RW(rw, freesrc);
|
|
if ( music->data.fluidsynthmidi == NULL ) {
|
|
music->error = 1;
|
|
}
|
|
break;
|
|
}
|
|
#endif
|
|
#ifdef USE_TIMIDITY_MIDI
|
|
if ( timidity_ok ) {
|
|
music->data.midi = Timidity_LoadSong_RW(rw, freesrc);
|
|
if ( music->data.midi == NULL ) {
|
|
Mix_SetError("%s", Timidity_Error());
|
|
music->error = 1;
|
|
}
|
|
} else {
|
|
Mix_SetError("%s", Timidity_Error());
|
|
music->error = 1;
|
|
}
|
|
#endif
|
|
break;
|
|
#endif
|
|
#if defined(MODPLUG_MUSIC) || defined(MOD_MUSIC)
|
|
case MUS_MOD:
|
|
music->error = 1;
|
|
#ifdef MODPLUG_MUSIC
|
|
if ( music->error ) {
|
|
music->type = MUS_MODPLUG;
|
|
music->data.modplug = modplug_new_RW(rw, freesrc);
|
|
if ( music->data.modplug ) {
|
|
music->error = 0;
|
|
}
|
|
}
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
if ( music->error ) {
|
|
music->type = MUS_MOD;
|
|
music->data.module = MOD_new_RW(rw, freesrc);
|
|
if ( music->data.module ) {
|
|
music->error = 0;
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
#endif
|
|
|
|
default:
|
|
Mix_SetError("Unrecognized music format");
|
|
music->error=1;
|
|
} /* switch (want) */
|
|
|
|
|
|
if (music->error) {
|
|
SDL_free(music);
|
|
music=NULL;
|
|
}
|
|
return(music);
|
|
}
|
|
|
|
/* Free a music chunk previously loaded */
|
|
void Mix_FreeMusic(Mix_Music *music)
|
|
{
|
|
if ( music ) {
|
|
/* Stop the music if it's currently playing */
|
|
SDL_LockAudio();
|
|
if ( music == music_playing ) {
|
|
/* Wait for any fade out to finish */
|
|
while ( music->fading == MIX_FADING_OUT ) {
|
|
SDL_UnlockAudio();
|
|
uSDL_Delay(100);
|
|
SDL_LockAudio();
|
|
}
|
|
if ( music == music_playing ) {
|
|
music_internal_halt();
|
|
}
|
|
}
|
|
SDL_UnlockAudio();
|
|
switch (music->type) {
|
|
#ifdef CMD_MUSIC
|
|
case MUS_CMD:
|
|
MusicCMD_FreeSong(music->data.cmd);
|
|
break;
|
|
#endif
|
|
#ifdef WAV_MUSIC
|
|
case MUS_WAV:
|
|
WAVStream_FreeSong(music->data.wave);
|
|
break;
|
|
#endif
|
|
#ifdef MODPLUG_MUSIC
|
|
case MUS_MODPLUG:
|
|
modplug_delete(music->data.modplug);
|
|
break;
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
case MUS_MOD:
|
|
MOD_delete(music->data.module);
|
|
break;
|
|
#endif
|
|
#ifdef MID_MUSIC
|
|
case MUS_MID:
|
|
#ifdef USE_NATIVE_MIDI
|
|
if ( native_midi_ok ) {
|
|
native_midi_freesong(music->data.nativemidi);
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_FLUIDSYNTH_MIDI
|
|
if ( fluidsynth_ok ) {
|
|
fluidsynth_freesong(music->data.fluidsynthmidi);
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_TIMIDITY_MIDI
|
|
if ( timidity_ok ) {
|
|
Timidity_FreeSong(music->data.midi);
|
|
goto skip;
|
|
}
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifdef OGG_MUSIC
|
|
case MUS_OGG:
|
|
OGG_delete(music->data.ogg);
|
|
break;
|
|
#endif
|
|
#ifdef FLAC_MUSIC
|
|
case MUS_FLAC:
|
|
FLAC_delete(music->data.flac);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MUSIC
|
|
case MUS_MP3:
|
|
smpeg.SMPEG_delete(music->data.mp3);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MAD_MUSIC
|
|
case MUS_MP3_MAD:
|
|
mad_closeFile(music->data.mp3_mad);
|
|
break;
|
|
#endif
|
|
default:
|
|
/* Unknown music type?? */
|
|
break;
|
|
}
|
|
|
|
skip:
|
|
SDL_free(music);
|
|
}
|
|
}
|
|
|
|
/* Find out the music format of a mixer music, or the currently playing
|
|
music, if 'music' is NULL.
|
|
*/
|
|
Mix_MusicType Mix_GetMusicType(const Mix_Music *music)
|
|
{
|
|
Mix_MusicType type = MUS_NONE;
|
|
|
|
if ( music ) {
|
|
type = music->type;
|
|
} else {
|
|
SDL_LockAudio();
|
|
if ( music_playing ) {
|
|
type = music_playing->type;
|
|
}
|
|
SDL_UnlockAudio();
|
|
}
|
|
return(type);
|
|
}
|
|
|
|
/* Play a music chunk. Returns 0, or -1 if there was an error.
|
|
*/
|
|
static int music_internal_play(Mix_Music *music, double position)
|
|
{
|
|
int retval = 0;
|
|
|
|
#if defined(__MACOSX__) && defined(USE_NATIVE_MIDI)
|
|
/* This fixes a bug with native MIDI on Mac OS X, where you
|
|
can't really stop and restart MIDI from the audio callback.
|
|
*/
|
|
if ( music == music_playing && music->type == MUS_MID && native_midi_ok ) {
|
|
/* Just a seek suffices to restart playing */
|
|
music_internal_position(position);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/* Note the music we're playing */
|
|
if ( music_playing ) {
|
|
music_internal_halt();
|
|
}
|
|
music_playing = music;
|
|
|
|
/* Set the initial volume */
|
|
if ( music->type != MUS_MOD ) {
|
|
music_internal_initialize_volume();
|
|
}
|
|
|
|
/* Set up for playback */
|
|
switch (music->type) {
|
|
#ifdef CMD_MUSIC
|
|
case MUS_CMD:
|
|
MusicCMD_Start(music->data.cmd);
|
|
break;
|
|
#endif
|
|
#ifdef WAV_MUSIC
|
|
case MUS_WAV:
|
|
WAVStream_Start(music->data.wave);
|
|
break;
|
|
#endif
|
|
#ifdef MODPLUG_MUSIC
|
|
case MUS_MODPLUG:
|
|
/* can't set volume until file is loaded, so finally set it now */
|
|
music_internal_initialize_volume();
|
|
modplug_play(music->data.modplug);
|
|
break;
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
case MUS_MOD:
|
|
MOD_play(music->data.module);
|
|
/* Player_SetVolume() does nothing before Player_Start() */
|
|
music_internal_initialize_volume();
|
|
break;
|
|
#endif
|
|
#ifdef MID_MUSIC
|
|
case MUS_MID:
|
|
#ifdef USE_NATIVE_MIDI
|
|
if ( native_midi_ok ) {
|
|
native_midi_start(music->data.nativemidi, music_loops);
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_FLUIDSYNTH_MIDI
|
|
if (fluidsynth_ok ) {
|
|
fluidsynth_start(music->data.fluidsynthmidi);
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_TIMIDITY_MIDI
|
|
if ( timidity_ok ) {
|
|
Timidity_Start(music->data.midi);
|
|
goto skip;
|
|
}
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifdef OGG_MUSIC
|
|
case MUS_OGG:
|
|
OGG_play(music->data.ogg);
|
|
break;
|
|
#endif
|
|
#ifdef FLAC_MUSIC
|
|
case MUS_FLAC:
|
|
FLAC_play(music->data.flac);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MUSIC
|
|
case MUS_MP3:
|
|
smpeg.SMPEG_enableaudio(music->data.mp3,1);
|
|
smpeg.SMPEG_enablevideo(music->data.mp3,0);
|
|
smpeg.SMPEG_play(music_playing->data.mp3);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MAD_MUSIC
|
|
case MUS_MP3_MAD:
|
|
mad_start(music->data.mp3_mad);
|
|
break;
|
|
#endif
|
|
default:
|
|
Mix_SetError("Can't play unknown music type");
|
|
retval = -1;
|
|
break;
|
|
}
|
|
|
|
skip:
|
|
/* Set the playback position, note any errors if an offset is used */
|
|
if ( retval == 0 ) {
|
|
if ( position > 0.0 ) {
|
|
if ( music_internal_position(position) < 0 ) {
|
|
Mix_SetError("Position not implemented for music type");
|
|
retval = -1;
|
|
}
|
|
} else {
|
|
music_internal_position(0.0);
|
|
}
|
|
}
|
|
|
|
/* If the setup failed, we're not playing any music anymore */
|
|
if ( retval < 0 ) {
|
|
music_playing = NULL;
|
|
}
|
|
return(retval);
|
|
}
|
|
int Mix_FadeInMusicPos(Mix_Music *music, int loops, int ms, double position)
|
|
{
|
|
int retval;
|
|
|
|
if ( ms_per_step == 0 ) {
|
|
SDL_SetError("Audio device hasn't been opened");
|
|
return(-1);
|
|
}
|
|
|
|
/* Don't play null pointers :-) */
|
|
if ( music == NULL ) {
|
|
Mix_SetError("music parameter was NULL");
|
|
return(-1);
|
|
}
|
|
|
|
/* Setup the data */
|
|
if ( ms ) {
|
|
music->fading = MIX_FADING_IN;
|
|
} else {
|
|
music->fading = MIX_NO_FADING;
|
|
}
|
|
music->fade_step = 0;
|
|
music->fade_steps = ms/ms_per_step;
|
|
|
|
/* Play the puppy */
|
|
SDL_LockAudio();
|
|
/* If the current music is fading out, wait for the fade to complete */
|
|
while ( music_playing && (music_playing->fading == MIX_FADING_OUT) ) {
|
|
SDL_UnlockAudio();
|
|
uSDL_Delay(100);
|
|
SDL_LockAudio();
|
|
}
|
|
music_active = 1;
|
|
if (loops == 1) {
|
|
/* Loop is the number of times to play the audio */
|
|
loops = 0;
|
|
}
|
|
music_loops = loops;
|
|
retval = music_internal_play(music, position);
|
|
SDL_UnlockAudio();
|
|
|
|
return(retval);
|
|
}
|
|
int Mix_FadeInMusic(Mix_Music *music, int loops, int ms)
|
|
{
|
|
return Mix_FadeInMusicPos(music, loops, ms, 0.0);
|
|
}
|
|
int Mix_PlayMusic(Mix_Music *music, int loops)
|
|
{
|
|
return Mix_FadeInMusicPos(music, loops, 0, 0.0);
|
|
}
|
|
|
|
/* Set the playing music position */
|
|
int music_internal_position(double position)
|
|
{
|
|
int retval = 0;
|
|
|
|
switch (music_playing->type) {
|
|
#ifdef MODPLUG_MUSIC
|
|
case MUS_MODPLUG:
|
|
modplug_jump_to_time(music_playing->data.modplug, position);
|
|
break;
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
case MUS_MOD:
|
|
MOD_jump_to_time(music_playing->data.module, position);
|
|
break;
|
|
#endif
|
|
#ifdef OGG_MUSIC
|
|
case MUS_OGG:
|
|
OGG_jump_to_time(music_playing->data.ogg, position);
|
|
break;
|
|
#endif
|
|
#ifdef FLAC_MUSIC
|
|
case MUS_FLAC:
|
|
FLAC_jump_to_time(music_playing->data.flac, position);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MUSIC
|
|
case MUS_MP3:
|
|
smpeg.SMPEG_rewind(music_playing->data.mp3);
|
|
smpeg.SMPEG_play(music_playing->data.mp3);
|
|
if ( position > 0.0 ) {
|
|
smpeg.SMPEG_skip(music_playing->data.mp3, (float)position);
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MAD_MUSIC
|
|
case MUS_MP3_MAD:
|
|
mad_seek(music_playing->data.mp3_mad, position);
|
|
break;
|
|
#endif
|
|
default:
|
|
/* TODO: Implement this for other music backends */
|
|
retval = -1;
|
|
break;
|
|
}
|
|
return(retval);
|
|
}
|
|
int Mix_SetMusicPosition(double position)
|
|
{
|
|
int retval;
|
|
|
|
SDL_LockAudio();
|
|
if ( music_playing ) {
|
|
retval = music_internal_position(position);
|
|
if ( retval < 0 ) {
|
|
Mix_SetError("Position not implemented for music type");
|
|
}
|
|
} else {
|
|
Mix_SetError("Music isn't playing");
|
|
retval = -1;
|
|
}
|
|
SDL_UnlockAudio();
|
|
|
|
return(retval);
|
|
}
|
|
|
|
/* Set the music's initial volume */
|
|
static void music_internal_initialize_volume(void)
|
|
{
|
|
if ( music_playing->fading == MIX_FADING_IN ) {
|
|
music_internal_volume(0);
|
|
} else {
|
|
music_internal_volume(music_volume);
|
|
}
|
|
}
|
|
|
|
/* Set the music volume */
|
|
static void music_internal_volume(int volume)
|
|
{
|
|
switch (music_playing->type) {
|
|
#ifdef CMD_MUSIC
|
|
case MUS_CMD:
|
|
MusicCMD_SetVolume(volume);
|
|
break;
|
|
#endif
|
|
#ifdef WAV_MUSIC
|
|
case MUS_WAV:
|
|
WAVStream_SetVolume(volume);
|
|
break;
|
|
#endif
|
|
#ifdef MODPLUG_MUSIC
|
|
case MUS_MODPLUG:
|
|
modplug_setvolume(music_playing->data.modplug, volume);
|
|
break;
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
case MUS_MOD:
|
|
MOD_setvolume(music_playing->data.module, volume);
|
|
break;
|
|
#endif
|
|
#ifdef MID_MUSIC
|
|
case MUS_MID:
|
|
#ifdef USE_NATIVE_MIDI
|
|
if ( native_midi_ok ) {
|
|
native_midi_setvolume(volume);
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef USE_FLUIDSYNTH_MIDI
|
|
if ( fluidsynth_ok ) {
|
|
fluidsynth_setvolume(music_playing->data.fluidsynthmidi, volume);
|
|
return;
|
|
}
|
|
#endif
|
|
#ifdef USE_TIMIDITY_MIDI
|
|
if ( timidity_ok ) {
|
|
Timidity_SetVolume(volume);
|
|
return;
|
|
}
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifdef OGG_MUSIC
|
|
case MUS_OGG:
|
|
OGG_setvolume(music_playing->data.ogg, volume);
|
|
break;
|
|
#endif
|
|
#ifdef FLAC_MUSIC
|
|
case MUS_FLAC:
|
|
FLAC_setvolume(music_playing->data.flac, volume);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MUSIC
|
|
case MUS_MP3:
|
|
smpeg.SMPEG_setvolume(music_playing->data.mp3,(int)(((float)volume/(float)MIX_MAX_VOLUME)*100.0));
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MAD_MUSIC
|
|
case MUS_MP3_MAD:
|
|
mad_setVolume(music_playing->data.mp3_mad, volume);
|
|
break;
|
|
#endif
|
|
default:
|
|
/* Unknown music type?? */
|
|
break;
|
|
}
|
|
}
|
|
int Mix_VolumeMusic(int volume)
|
|
{
|
|
int prev_volume;
|
|
|
|
prev_volume = music_volume;
|
|
if ( volume < 0 ) {
|
|
return prev_volume;
|
|
}
|
|
if ( volume > SDL_MIX_MAXVOLUME ) {
|
|
volume = SDL_MIX_MAXVOLUME;
|
|
}
|
|
music_volume = volume;
|
|
SDL_LockAudio();
|
|
if ( music_playing ) {
|
|
music_internal_volume(music_volume);
|
|
}
|
|
SDL_UnlockAudio();
|
|
return(prev_volume);
|
|
}
|
|
|
|
/* Halt playing of music */
|
|
static void music_internal_halt(void)
|
|
{
|
|
switch (music_playing->type) {
|
|
#ifdef CMD_MUSIC
|
|
case MUS_CMD:
|
|
MusicCMD_Stop(music_playing->data.cmd);
|
|
break;
|
|
#endif
|
|
#ifdef WAV_MUSIC
|
|
case MUS_WAV:
|
|
WAVStream_Stop();
|
|
break;
|
|
#endif
|
|
#ifdef MODPLUG_MUSIC
|
|
case MUS_MODPLUG:
|
|
modplug_stop(music_playing->data.modplug);
|
|
break;
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
case MUS_MOD:
|
|
MOD_stop(music_playing->data.module);
|
|
break;
|
|
#endif
|
|
#ifdef MID_MUSIC
|
|
case MUS_MID:
|
|
#ifdef USE_NATIVE_MIDI
|
|
if ( native_midi_ok ) {
|
|
native_midi_stop();
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_FLUIDSYNTH_MIDI
|
|
if ( fluidsynth_ok ) {
|
|
fluidsynth_stop(music_playing->data.fluidsynthmidi);
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_TIMIDITY_MIDI
|
|
if ( timidity_ok ) {
|
|
Timidity_Stop();
|
|
goto skip;
|
|
}
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifdef OGG_MUSIC
|
|
case MUS_OGG:
|
|
OGG_stop(music_playing->data.ogg);
|
|
break;
|
|
#endif
|
|
#ifdef FLAC_MUSIC
|
|
case MUS_FLAC:
|
|
FLAC_stop(music_playing->data.flac);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MUSIC
|
|
case MUS_MP3:
|
|
smpeg.SMPEG_stop(music_playing->data.mp3);
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MAD_MUSIC
|
|
case MUS_MP3_MAD:
|
|
mad_stop(music_playing->data.mp3_mad);
|
|
break;
|
|
#endif
|
|
default:
|
|
/* Unknown music type?? */
|
|
return;
|
|
}
|
|
|
|
skip:
|
|
music_playing->fading = MIX_NO_FADING;
|
|
music_playing = NULL;
|
|
}
|
|
int Mix_HaltMusic(void)
|
|
{
|
|
SDL_LockAudio();
|
|
if ( music_playing ) {
|
|
music_internal_halt();
|
|
}
|
|
SDL_UnlockAudio();
|
|
|
|
return(0);
|
|
}
|
|
|
|
/* Progressively stop the music */
|
|
int Mix_FadeOutMusic(int ms)
|
|
{
|
|
int retval = 0;
|
|
|
|
if ( ms_per_step == 0 ) {
|
|
SDL_SetError("Audio device hasn't been opened");
|
|
return 0;
|
|
}
|
|
|
|
if (ms <= 0) { /* just halt immediately. */
|
|
Mix_HaltMusic();
|
|
return 1;
|
|
}
|
|
|
|
SDL_LockAudio();
|
|
if ( music_playing) {
|
|
int fade_steps = (ms + ms_per_step - 1)/ms_per_step;
|
|
if ( music_playing->fading == MIX_NO_FADING ) {
|
|
music_playing->fade_step = 0;
|
|
} else {
|
|
int step;
|
|
int old_fade_steps = music_playing->fade_steps;
|
|
if ( music_playing->fading == MIX_FADING_OUT ) {
|
|
step = music_playing->fade_step;
|
|
} else {
|
|
step = old_fade_steps
|
|
- music_playing->fade_step + 1;
|
|
}
|
|
music_playing->fade_step = (step * fade_steps)
|
|
/ old_fade_steps;
|
|
}
|
|
music_playing->fading = MIX_FADING_OUT;
|
|
music_playing->fade_steps = fade_steps;
|
|
retval = 1;
|
|
}
|
|
SDL_UnlockAudio();
|
|
|
|
return(retval);
|
|
}
|
|
|
|
Mix_Fading Mix_FadingMusic(void)
|
|
{
|
|
Mix_Fading fading = MIX_NO_FADING;
|
|
|
|
SDL_LockAudio();
|
|
if ( music_playing ) {
|
|
fading = music_playing->fading;
|
|
}
|
|
SDL_UnlockAudio();
|
|
|
|
return(fading);
|
|
}
|
|
|
|
/* Pause/Resume the music stream */
|
|
void Mix_PauseMusic(void)
|
|
{
|
|
music_active = 0;
|
|
}
|
|
|
|
void Mix_ResumeMusic(void)
|
|
{
|
|
music_active = 1;
|
|
}
|
|
|
|
void Mix_RewindMusic(void)
|
|
{
|
|
Mix_SetMusicPosition(0.0);
|
|
}
|
|
|
|
int Mix_PausedMusic(void)
|
|
{
|
|
return (music_active == 0);
|
|
}
|
|
|
|
/* Check the status of the music */
|
|
static int music_internal_playing()
|
|
{
|
|
int playing = 1;
|
|
|
|
if (music_playing == NULL) {
|
|
return 0;
|
|
}
|
|
|
|
switch (music_playing->type) {
|
|
#ifdef CMD_MUSIC
|
|
case MUS_CMD:
|
|
if (!MusicCMD_Active(music_playing->data.cmd)) {
|
|
playing = 0;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef WAV_MUSIC
|
|
case MUS_WAV:
|
|
if ( ! WAVStream_Active() ) {
|
|
playing = 0;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef MODPLUG_MUSIC
|
|
case MUS_MODPLUG:
|
|
if ( ! modplug_playing(music_playing->data.modplug) ) {
|
|
playing = 0;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
case MUS_MOD:
|
|
if ( ! MOD_playing(music_playing->data.module) ) {
|
|
playing = 0;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef MID_MUSIC
|
|
case MUS_MID:
|
|
#ifdef USE_NATIVE_MIDI
|
|
if ( native_midi_ok ) {
|
|
if ( ! native_midi_active() )
|
|
playing = 0;
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_FLUIDSYNTH_MIDI
|
|
if ( fluidsynth_ok ) {
|
|
if ( ! fluidsynth_active(music_playing->data.fluidsynthmidi) )
|
|
playing = 0;
|
|
goto skip;
|
|
}
|
|
#endif
|
|
#ifdef USE_TIMIDITY_MIDI
|
|
if ( timidity_ok ) {
|
|
if ( ! Timidity_Active() )
|
|
playing = 0;
|
|
goto skip;
|
|
}
|
|
#endif
|
|
break;
|
|
#endif
|
|
#ifdef OGG_MUSIC
|
|
case MUS_OGG:
|
|
if ( ! OGG_playing(music_playing->data.ogg) ) {
|
|
playing = 0;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef FLAC_MUSIC
|
|
case MUS_FLAC:
|
|
if ( ! FLAC_playing(music_playing->data.flac) ) {
|
|
playing = 0;
|
|
}
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MUSIC
|
|
case MUS_MP3:
|
|
if ( smpeg.SMPEG_status(music_playing->data.mp3) != SMPEG_PLAYING )
|
|
playing = 0;
|
|
break;
|
|
#endif
|
|
#ifdef MP3_MAD_MUSIC
|
|
case MUS_MP3_MAD:
|
|
if (!mad_isPlaying(music_playing->data.mp3_mad)) {
|
|
playing = 0;
|
|
}
|
|
break;
|
|
#endif
|
|
default:
|
|
playing = 0;
|
|
break;
|
|
}
|
|
|
|
skip:
|
|
return(playing);
|
|
}
|
|
int Mix_PlayingMusic(void)
|
|
{
|
|
int playing = 0;
|
|
|
|
SDL_LockAudio();
|
|
if ( music_playing ) {
|
|
playing = music_loops || music_internal_playing();
|
|
}
|
|
SDL_UnlockAudio();
|
|
|
|
return(playing);
|
|
}
|
|
|
|
/* Set the external music playback command */
|
|
int Mix_SetMusicCMD(const char *command)
|
|
{
|
|
Mix_HaltMusic();
|
|
if ( music_cmd ) {
|
|
SDL_free(music_cmd);
|
|
music_cmd = NULL;
|
|
}
|
|
if ( command ) {
|
|
music_cmd = (char *)SDL_malloc(strlen(command)+1);
|
|
if ( music_cmd == NULL ) {
|
|
return(-1);
|
|
}
|
|
strcpy(music_cmd, command);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
int Mix_SetSynchroValue(int i)
|
|
{
|
|
/* Not supported by any players at this time */
|
|
return(-1);
|
|
}
|
|
|
|
int Mix_GetSynchroValue(void)
|
|
{
|
|
/* Not supported by any players at this time */
|
|
return(-1);
|
|
}
|
|
|
|
|
|
/* Uninitialize the music players */
|
|
void close_music(void)
|
|
{
|
|
Mix_HaltMusic();
|
|
#ifdef CMD_MUSIC
|
|
Mix_SetMusicCMD(NULL);
|
|
#endif
|
|
#ifdef MODPLUG_MUSIC
|
|
modplug_exit();
|
|
#endif
|
|
#ifdef MOD_MUSIC
|
|
MOD_exit();
|
|
#endif
|
|
#ifdef MID_MUSIC
|
|
# ifdef USE_TIMIDITY_MIDI
|
|
Timidity_Close();
|
|
# endif
|
|
#endif
|
|
|
|
/* rcg06042009 report available decoders at runtime. */
|
|
SDL_free(music_decoders);
|
|
music_decoders = NULL;
|
|
num_decoders = 0;
|
|
|
|
ms_per_step = 0;
|
|
}
|
|
|
|
int Mix_SetSoundFonts(const char *paths)
|
|
{
|
|
#ifdef MID_MUSIC
|
|
if (soundfont_paths) {
|
|
SDL_free(soundfont_paths);
|
|
soundfont_paths = NULL;
|
|
}
|
|
|
|
if (paths) {
|
|
if (!(soundfont_paths = SDL_strdup(paths))) {
|
|
Mix_SetError("Insufficient memory to set SoundFonts");
|
|
return 0;
|
|
}
|
|
}
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
#ifdef MID_MUSIC
|
|
const char* Mix_GetSoundFonts(void)
|
|
{
|
|
const char* force = getenv("SDL_FORCE_SOUNDFONTS");
|
|
|
|
if (!soundfont_paths || (force && force[0] == '1')) {
|
|
return getenv("SDL_SOUNDFONTS");
|
|
} else {
|
|
return soundfont_paths;
|
|
}
|
|
}
|
|
|
|
int Mix_EachSoundFont(int (*function)(const char*, void*), void *data)
|
|
{
|
|
char *context, *path, *paths;
|
|
const char* cpaths = Mix_GetSoundFonts();
|
|
|
|
if (!cpaths) {
|
|
Mix_SetError("No SoundFonts have been requested");
|
|
return 0;
|
|
}
|
|
|
|
if (!(paths = SDL_strdup(cpaths))) {
|
|
Mix_SetError("Insufficient memory to iterate over SoundFonts");
|
|
return 0;
|
|
}
|
|
|
|
#if defined(__MINGW32__) || defined(__MINGW64__)
|
|
for (path = strtok(paths, ";"); path; path = strtok(NULL, ";")) {
|
|
#elif defined(_WIN32)
|
|
for (path = strtok_s(paths, ";", &context); path; path = strtok_s(NULL, ";", &context)) {
|
|
#else
|
|
for (path = strtok_r(paths, ":;", &context); path; path = strtok_r(NULL, ":;", &context)) {
|
|
#endif
|
|
if (!function(path, data)) {
|
|
SDL_free(paths);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
SDL_free(paths);
|
|
return 1;
|
|
}
|
|
#endif
|