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Support MP3 wave loading -NOT TESTED-

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Ray 2018-09-19 15:57:46 +02:00
parent be599a9ece
commit 9efe5c6802
1 changed files with 43 additions and 0 deletions
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43
src/audio.c
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@ -221,6 +221,9 @@ static Wave LoadOGG(const char *fileName); // Load OGG file
#if defined(SUPPORT_FILEFORMAT_FLAC)
static Wave LoadFLAC(const char *fileName); // Load FLAC file
#endif
#if defined(SUPPORT_FILEFORMAT_MP3)
static Wave LoadMP3(const char *fileName); // Load MP3 file
#endif
#if defined(AUDIO_STANDALONE)
bool IsFileExtension(const char *fileName, const char *ext); // Check file extension
@ -857,6 +860,9 @@ Wave LoadWave(const char *fileName)
#endif
#if defined(SUPPORT_FILEFORMAT_FLAC)
else if (IsFileExtension(fileName, ".flac")) wave = LoadFLAC(fileName);
#endif
#if defined(SUPPORT_FILEFORMAT_MP3)
else if (IsFileExtension(fileName, ".mp3")) wave = LoadMP3(fileName);
#endif
else TraceLog(LOG_WARNING, "[%s] Audio fileformat not supported, it can't be loaded", fileName);
@ -1648,6 +1654,9 @@ void StopMusicStream(Music music)
#if defined(SUPPORT_FILEFORMAT_FLAC)
case MUSIC_AUDIO_FLAC: /* TODO: Restart FLAC context */ break;
#endif
#if defined(SUPPORT_FILEFORMAT_MP3)
case MUSIC_AUDIO_MP3: /* TODO: Restart MP3 context */ break;
#endif
#if defined(SUPPORT_FILEFORMAT_XM)
case MUSIC_MODULE_XM: /* TODO: Restart XM context */ break;
#endif
@ -1788,6 +1797,13 @@ void UpdateMusicStream(Music music)
} break;
#endif
#if defined(SUPPORT_FILEFORMAT_MP3)
case MUSIC_AUDIO_MP3:
{
// NOTE: Returns the number of samples to process
unsigned int numSamplesMp3 = (unsigned int)drmp3_read_f32(&music->ctxMp3, samplesCount*music->stream.channels, (float *)pcm);
} break;
#endif
#if defined(SUPPORT_FILEFORMAT_XM)
case MUSIC_MODULE_XM: jar_xm_generate_samples_16bit(music->ctxXm, pcm, samplesCount); break;
#endif
@ -2377,6 +2393,33 @@ static Wave LoadFLAC(const char *fileName)
}
#endif
#if defined(SUPPORT_FILEFORMAT_MP3)
// Load MP3 file into Wave structure
// NOTE: Using dr_mp3 library
static Wave LoadMP3(const char *fileName)
{
Wave wave;
// Decode an entire MP3 file in one go
uint64_t totalSampleCount;
drmp3_config *config;
wave.data = drmp3_open_and_decode_file_f32(fileName, config, &totalSampleCount);
wave.channels = config->outputChannels;
wave.sampleRate = config->outputSampleRate;
wave.sampleCount = (int)totalSampleCount/wave.channels;
wave.sampleSize = 16;
// NOTE: Only support up to 2 channels (mono, stereo)
if (wave.channels > 2) TraceLog(LOG_WARNING, "[%s] MP3 channels number (%i) not supported", fileName, wave.channels);
if (wave.data == NULL) TraceLog(LOG_WARNING, "[%s] MP3 data could not be loaded", fileName);
else TraceLog(LOG_INFO, "[%s] MP3 file loaded successfully (%i Hz, %i bit, %s)", fileName, wave.sampleRate, wave.sampleSize, (wave.channels == 1) ? "Mono" : "Stereo");
return wave;
}
#endif
// Some required functions for audio standalone module version
#if defined(AUDIO_STANDALONE)
// Check file extension