Man page - sdl_getaudiostreamgain(3)

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SDL_GetAudioStreamGain - Get the gain of an audio stream.

Defined in SDL3/SDL_audio.h

#include "SDL3/SDL.h"

float SDL_GetAudioStreamGain(SDL_AudioStream *stream);

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.

Returns the gain of the stream or -1.0f on failure; call

SDL_GetError () for more information.

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 3.2.0.