Get the preferred audio format of a specific audio device.
int SDL_GetAudioDeviceSpec(int index, int iscapture, SDL_AudioSpec *spec);
|index||the index of the audio device; valid values range from 0 to SDL_GetNumAudioDevices() - 1|
|iscapture||non-zero to query the list of recording devices, zero to query the list of output devices.|
|spec||The SDL_AudioSpec to be initialized by this function.|
Returns 0 on success, nonzero on error
This function is only valid after a successfully initializing the audio subsystem. The values returned by this function reflect the latest call to SDL_GetNumAudioDevices(); re-call that function to redetect available hardware.
spec will be filled with the sample rate, sample format, and channel count.
This function is available since SDL 2.0.16.