###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!)
# SDL_GetAudioStreamFormat

Query the current format of an audio stream.

## Header File

Defined in [<SDL3/SDL_audio.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_audio.h)

## Syntax

```c
int SDL_GetAudioStreamFormat(SDL_AudioStream *stream,
                             SDL_AudioSpec *src_spec,
                             SDL_AudioSpec *dst_spec);

```

## Function Parameters

|                  |                                                          |
| ---------------- | -------------------------------------------------------- |
| **stream**       | the [SDL_AudioStream](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. |

## Return Value

Returns 0 on success, or -1 on error.

## Thread Safety

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

## Version

This function is available since SDL 3.0.0.

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[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)