diff options
Diffstat (limited to 'src/mixer.h')
| -rw-r--r-- | src/mixer.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mixer.h b/src/mixer.h index 0ccee6109..9766682d6 100644 --- a/src/mixer.h +++ b/src/mixer.h @@ -14,6 +14,14 @@ struct MixerChannel; +/** + * Type of callback functions for supplying PCM music. + * A music decoder/renderer implements this function and installs it with MxSetMusicSource, which also returns the sample rate used. + * @param buffer Pointer to interleaved 2-channel signed 16 bit PCM data buffer, guaranteed to be 0-initialized. + * @param samples number of samples that must be filled into \c buffer. + */ +typedef void(*MxStreamCallback)(int16 *buffer, size_t samples); + bool MxInitialize(uint rate); void MxMixSamples(void *buffer, uint samples); @@ -22,4 +30,6 @@ void MxSetChannelRawSrc(MixerChannel *mc, int8 *mem, size_t size, uint rate, boo void MxSetChannelVolume(MixerChannel *mc, uint volume, float pan); void MxActivateChannel(MixerChannel*); +uint32 MxSetMusicSource(MxStreamCallback music_callback); + #endif /* MIXER_H */ |