###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development 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), but apps should _only_ `#include "SDL.h"`! ## Syntax ```c int SDL_AudioStreamPut(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 -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)