SDL Wiki
(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)


Change the playback speed of an audio stream.


int SDL_SetAudioStreamSpeed(SDL_AudioStream *stream,
                            float speed);

Function Parameters

stream The stream the speed is being changed
speed The new speed. 1.0 is normal speed, 1.2 is 20% faster, etc. Must be between 0.01 and 100.

Return Value

Returns 0 on success, or -1 on error.

Thread Safety

It is safe to call this function from any thread, as it holds a stream-specific mutex while running.


This function is available since SDL 3.0.0.


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