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

SDL_PutAudioStreamData

Add data to be converted/resampled to the stream.

Syntax

int SDL_PutAudioStreamData(SDL_AudioStream *stream, const void *buf, int len);

Function Parameters

stream The stream the audio data is being added to
buf A pointer to the audio data to add
len The number of bytes to write to the stream

Return Value

Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

Remarks

This data must match the format/channels/samplerate specified in the latest call to SDL_SetAudioStreamFormat, or the format specified when creating the stream if it hasn't been changed.

Note that this call simply queues unconverted data for later. This is different than SDL2, where data was converted during the Put call and the Get call would just dequeue the previously-converted data.

Thread Safety

It is safe to call this function from any thread, but if the stream has a callback set, the caller might need to manage extra locking.

Version

This function is available since SDL 3.0.0.


CategoryAPI


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