mad_data *
mad_openFile(const char *filename, SDL_AudioSpec *mixer) {
SDL_RWops *rw;
rw = SDL_RWFromFile(filename, "rb");
if (rw == NULL) {
return NULL;
}
return mad_openFileRW(rw, mixer);
}
mad_data *
mad_openFile(const char *filename, SDL_AudioSpec *mixer) {
SDL_RWops *rw;
mad_data *mp3_mad;
rw = SDL_RWFromFile(filename, "rb");
if (rw == NULL) {
return NULL;
}
mp3_mad = mad_openFileRW(rw, mixer);
if (mp3_mad == NULL) {
SDL_FreeRW(rw);
return NULL;
}
mp3_mad->freerw = SDL_TRUE;
return mp3_mad;
}
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);
}
Mix_Music *Mix_LoadMUSType_RW(SDL_RWops *src, Mix_MusicType type, int freesrc)
{
Mix_Music *music;
Sint64 start;
if (!src) {
Mix_SetError("RWops pointer is NULL");
return NULL;
}
start = SDL_RWtell(src);
/* If the caller wants auto-detection, figure out what kind of file
* this is. */
if (type == MUS_NONE) {
if ((type = detect_music_type(src)) == MUS_NONE) {
/* Don't call Mix_SetError() here since detect_music_type()
* does that. */
if (freesrc) {
SDL_RWclose(src);
}
return NULL;
}
}
/* Allocate memory for the music structure */
music = (Mix_Music *)SDL_malloc(sizeof(Mix_Music));
if (music == NULL ) {
Mix_SetError("Out of memory");
if (freesrc) {
SDL_RWclose(src);
}
return NULL;
}
music->error = 1;
switch (type) {
#ifdef WAV_MUSIC
case MUS_WAV:
music->type = MUS_WAV;
music->data.wave = WAVStream_LoadSong_RW(src, freesrc);
if (music->data.wave) {
music->error = 0;
}
break;
#endif
#ifdef OGG_MUSIC
case MUS_OGG:
music->type = MUS_OGG;
music->data.ogg = OGG_new_RW(src, freesrc);
if (music->data.ogg) {
music->error = 0;
}
break;
#endif
#ifdef FLAC_MUSIC
case MUS_FLAC:
music->type = MUS_FLAC;
music->data.flac = FLAC_new_RW(src, freesrc);
if (music->data.flac) {
music->error = 0;
}
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(src, &info, freesrc, 0);
if (!info.has_audio) {
Mix_SetError("MPEG file does not have any audio stream.");
smpeg.SMPEG_delete(music->data.mp3);
/* Deleting the MP3 closed the source if desired */
freesrc = SDL_FALSE;
} else {
smpeg.SMPEG_actualSpec(music->data.mp3, &used_mixer);
music->error = 0;
}
}
break;
#elif defined(MP3_MAD_MUSIC)
case MUS_MP3:
music->type = MUS_MP3_MAD;
music->data.mp3_mad = mad_openFileRW(src, &used_mixer, freesrc);
if (music->data.mp3_mad) {
music->error = 0;
} else {
Mix_SetError("Could not initialize MPEG stream.");
}
break;
#endif
#ifdef MID_MUSIC
case MUS_MID:
music->type = MUS_MID;
#ifdef USE_NATIVE_MIDI
if (native_midi_ok) {
SDL_RWseek(src, start, RW_SEEK_SET);
music->data.nativemidi = native_midi_loadsong_RW(src, freesrc);
if (music->data.nativemidi) {
music->error = 0;
} else {
Mix_SetError("%s", native_midi_error());
}
break;
}
#endif
#ifdef USE_FLUIDSYNTH_MIDI
if (fluidsynth_ok) {
SDL_RWseek(src, start, RW_SEEK_SET);
music->data.fluidsynthmidi = fluidsynth_loadsong_RW(src, freesrc);
if (music->data.fluidsynthmidi) {
music->error = 0;
}
break;
}
#endif
#ifdef USE_TIMIDITY_MIDI
if (timidity_ok) {
SDL_RWseek(src, start, RW_SEEK_SET);
music->data.midi = Timidity_LoadSong_RW(src, freesrc);
if (music->data.midi) {
music->error = 0;
} else {
Mix_SetError("%s", Timidity_Error());
}
} else {
Mix_SetError("%s", Timidity_Error());
}
#endif
break;
#endif
#if defined(MODPLUG_MUSIC) || defined(MOD_MUSIC)
case MUS_MOD:
#ifdef MODPLUG_MUSIC
if (music->error) {
SDL_RWseek(src, start, RW_SEEK_SET);
music->type = MUS_MODPLUG;
music->data.modplug = modplug_new_RW(src, freesrc);
if (music->data.modplug) {
music->error = 0;
}
}
#endif
#ifdef MOD_MUSIC
if (music->error) {
SDL_RWseek(src, start, RW_SEEK_SET);
music->type = MUS_MOD;
music->data.module = MOD_new_RW(src, freesrc);
if (music->data.module) {
music->error = 0;
}
}
#endif
break;
#endif
default:
Mix_SetError("Unrecognized music format");
break;
} /* switch (want) */
if (music->error) {
SDL_free(music);
if (freesrc) {
SDL_RWclose(src);
} else {
SDL_RWseek(src, start, RW_SEEK_SET);
}
music = NULL;
}
return music;
}
SDL_AudioSpec *Mix_LoadMP3_RW(SDL_RWops *src, int freesrc, SDL_AudioSpec *spec, Uint8 **audio_buf, Uint32 *audio_len)
{
/* note: spec is initialized to mixer spec */
#if defined(MP3_MUSIC)
SMPEG* mp3 = 0;
SMPEG_Info info;
#elif defined(MP3_MAD_MUSIC)
mad_data *mp3_mad;
#endif
long samplesize;
int read_len;
const Uint32 chunk_len = 4096;
int err = 0;
if ((!src) || (!spec) || (!audio_buf) || (!audio_len))
{
return NULL;
}
if (!err)
{
*audio_len = 0;
*audio_buf = (Uint8*) SDL_malloc(chunk_len);
err = (*audio_buf == NULL);
}
if (!err)
{
err = ((Mix_Init(MIX_INIT_MP3) & MIX_INIT_MP3) == 0);
}
if (!err)
{
#if defined(MP3_MUSIC)
mp3 = smpeg.SMPEG_new_rwops(src, &info, freesrc, 0);
err = (mp3 == NULL);
#elif defined(MP3_MAD_MUSIC)
mp3_mad = mad_openFileRW(src, spec, freesrc);
err = (mp3_mad == NULL);
#endif
}
#if defined(MP3_MUSIC)
if (!err)
{
err = !info.has_audio;
}
#endif
if (!err)
{
#if defined(MP3_MUSIC)
smpeg.SMPEG_actualSpec(mp3, spec);
smpeg.SMPEG_enableaudio(mp3, 1);
smpeg.SMPEG_enablevideo(mp3, 0);
smpeg.SMPEG_play(mp3);
/* read once for audio length */
while ((read_len = smpeg.SMPEG_playAudio(mp3, *audio_buf, chunk_len)) > 0)
{
*audio_len += read_len;
}
smpeg.SMPEG_stop(mp3);
#elif defined(MP3_MAD_MUSIC)
mad_start(mp3_mad);
/* read once for audio length */
while ((read_len = mad_getSamples(mp3_mad, *audio_buf, chunk_len)) > 0)
{
*audio_len += read_len;
}
mad_stop(mp3_mad);
#endif
err = (read_len < 0);
}
if (!err)
{
/* reallocate, if needed */
if ((*audio_len > 0) && (*audio_len != chunk_len))
{
*audio_buf = (Uint8*) SDL_realloc(*audio_buf, *audio_len);
err = (*audio_buf == NULL);
}
}
if (!err)
{
/* read again for audio buffer, if needed */
if (*audio_len > chunk_len)
{
#if defined(MP3_MUSIC)
smpeg.SMPEG_rewind(mp3);
smpeg.SMPEG_play(mp3);
err = (*audio_len != smpeg.SMPEG_playAudio(mp3, *audio_buf, *audio_len));
smpeg.SMPEG_stop(mp3);
#elif defined(MP3_MAD_MUSIC)
mad_seek(mp3_mad, 0);
mad_start(mp3_mad);
err = (*audio_len != mad_getSamples(mp3_mad, *audio_buf, *audio_len));
mad_stop(mp3_mad);
#endif
}
}
if (!err)
{
/* Don't return a buffer that isn't a multiple of samplesize */
samplesize = ((spec->format & 0xFF)/8)*spec->channels;
*audio_len &= ~(samplesize-1);
}
#if defined(MP3_MUSIC)
if (mp3)
{
smpeg.SMPEG_delete(mp3); mp3 = NULL;
/* Deleting the MP3 closed the source if desired */
freesrc = SDL_FALSE;
}
#elif defined(MP3_MAD_MUSIC)
if (mp3_mad)
{
mad_closeFile(mp3_mad); mp3_mad = NULL;
/* Deleting the MP3 closed the source if desired */
freesrc = SDL_FALSE;
}
#endif
if (freesrc)
{
SDL_RWclose(src); src = NULL;
}
/* handle error */
if (err)
{
if (*audio_buf != NULL)
{
SDL_free(*audio_buf); *audio_buf = NULL;
}
*audio_len = 0;
spec = NULL;
}
return spec;
}
