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

SDL_SetAudioStreamFormat

Change the input and output formats of an audio stream.

Syntax

int SDL_SetAudioStreamFormat(SDL_AudioStream *stream,
                             const SDL_AudioSpec *src_spec,
                             const SDL_AudioSpec *dst_spec);

Function Parameters

stream	The stream the format is being changed
src_spec	The new format of the audio input; if NULL, it is not changed.
dst_spec	The new format of the audio output; if NULL, it is not changed.

Return Value

Returns 0 on success, or -1 on error.

Remarks

Future calls to and SDL_GetAudioStreamAvailable and SDL_GetAudioStreamData will reflect the new format, and future calls to SDL_PutAudioStreamData must provide data in the new input formats.

Thread Safety

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

Version

This function is available since SDL 3.0.0.

Related Functions

• SDL_GetAudioStreamFormat
• SDL_PutAudioStreamData
• SDL_GetAudioStreamData
• SDL_GetAudioStreamAvailable
• SDL_SetAudioStreamFrequencyRatio

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CategoryAPI

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