Query the current format of an audio stream.
int SDL_GetAudioStreamFormat(SDL_AudioStream *stream, SDL_AudioSpec *src_spec, SDL_AudioSpec *dst_spec);
|stream||the SDL_AudioStream to query.|
|src_spec||Where to store the input audio format; ignored if NULL.|
|dst_spec||Where to store the output audio format; ignored if NULL.|
Returns 0 on success, or -1 on error.
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.