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Added SDL_(Get|Set)AudioStreamSpeed

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2023-08-31 13:31:42 +01:00
committed by Ryan C. Gordon
parent 43c3c5736d
commit e55844274d
5 changed files with 78 additions and 0 deletions
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35
include/SDL3/SDL_audio.h
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@@ -703,11 +703,46 @@ extern DECLSPEC int SDLCALL SDL_GetAudioStreamFormat(SDL_AudioStream *stream,
* \sa SDL_PutAudioStreamData
* \sa SDL_GetAudioStreamData
* \sa SDL_GetAudioStreamAvailable
* \sa SDL_SetAudioStreamSpeed
*/
extern DECLSPEC int SDLCALL SDL_SetAudioStreamFormat(SDL_AudioStream *stream,
const SDL_AudioSpec *src_spec,
const SDL_AudioSpec *dst_spec);
/**
* Get the playback speed of an audio stream.
*
* \param stream the SDL_AudioStream to query.
* \returns the playback speed of the stream, or 0.0 on error
*
* \threadsafety It is safe to call this function from any thread, as it holds
* a stream-specific mutex while running.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_SetAudioStreamSpeed
*/
extern DECLSPEC float SDLCALL SDL_GetAudioStreamSpeed(SDL_AudioStream *stream);
/**
* Change the playback speed of an audio stream.
*
* \param stream The stream the speed is being changed
* \param speed The new speed. 1.0 is normal speed, 1.2 is 20% faster, etc.
* Must be between 0.01 and 100.
* \returns 0 on success, or -1 on error.
*
* \threadsafety It is safe to call this function from any thread, as it holds
* a stream-specific mutex while running.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_GetAudioStreamSpeed
* \sa SDL_SetAudioStreamFormat
*/
extern DECLSPEC int SDLCALL SDL_SetAudioStreamSpeed(SDL_AudioStream *stream,
float speed);
/**
* Add data to be converted/resampled to the stream.
*