---
name: "SDL_GetAudioStreamGain"
section: "3"
platform: "linux"
package: "libsdl3-doc"
version: "3.2.10+ds-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/SDL_GetAudioStreamGain"
---

# SDL\_GetAudioStreamGain(3)

Get the gain of an audio stream.

## NAME

SDL\_GetAudioStreamGain - Get the gain of an audio stream.

## HEADER FILE

Defined in SDL3/SDL\_audio.h

## SYNOPSIS

```
#include "SDL3/SDL.h"
```

**float SDL\_GetAudioStreamGain(SDL\_AudioStream \*stream);**

## DESCRIPTION

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).

## FUNCTION PARAMETERS

- *stream*

  the  **SDL\_AudioStream**\
    to query.

## RETURN VALUE

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

**SDL\_GetError** () for more information.

## THREAD SAFETY

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

## AVAILABILITY

This function is available since SDL 3.2.0.

## SEE ALSO

**•**(3), [**SDL\_SetAudioStreamGain**(3)](/SDL_SetAudioStreamGain/3.md)