###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.) # SDL_AudioStreamPut Add data to be converted/resampled to the stream. ## Header File Defined in [SDL_audio.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_audio.h) ## Syntax ```c int SDL_AudioStreamPut(SDL_AudioStream *stream, const void *buf, int len); ``` ## Function Parameters | | | | | ------------------------------------ | ---------- | -------------------------------------------- | | [SDL_AudioStream](SDL_AudioStream) * | **stream** | The stream the audio data is being added to. | | const void * | **buf** | A pointer to the audio data to add. | | int | **len** | The number of bytes to write to the stream. | ## Return Value (int) Returns 0 on success, or -1 on error. ## Version This function is available since SDL 2.0.7. ## See Also - [SDL_NewAudioStream](SDL_NewAudioStream) - [SDL_AudioStreamGet](SDL_AudioStreamGet) - [SDL_AudioStreamAvailable](SDL_AudioStreamAvailable) - [SDL_AudioStreamFlush](SDL_AudioStreamFlush) - [SDL_AudioStreamClear](SDL_AudioStreamClear) - [SDL_FreeAudioStream](SDL_FreeAudioStream) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryAudio](CategoryAudio)