SDL_GetAudioStreamGain - Get the gain of an audio stream.

       This function is available since SDL 3.2.0.

       The  gain  of  a  stream  is  its  volume; a larger gain means a louder output, with a gain of zero being
       silence.

       Audio streams default to a gain of 1.0f (no change in output).

stream the SDL_AudioStream to query.

       SDL_GetAudioStreamGain - Get the gain of an audio stream.

       for more information.

SDL_SetAudioStreamGain(3)

Simple Directmedia Layer                           SDL 3.2.20                          SDL_GetAudioStreamGain(3)

#include<SDL3/SDL_audio.h>floatSDL_GetAudioStreamGain(SDL_AudioStream*stream);

       It is safe to call this function from any thread, as it holds a stream-specific mutex while running.