###### (This function is part of SDL_mixer, a separate library from SDL.)
# Mix_MusicDuration

Get a music object's duration, in seconds.

## Header File

Defined in [<SDL_mixer.h>](https://github.com/libsdl-org/SDL_mixer/blob/SDL2/include/SDL_mixer.h)

## Syntax

```c
double Mix_MusicDuration(Mix_Music *music);
```

## Function Parameters

|                          |           |                            |
| ------------------------ | --------- | -------------------------- |
| [Mix_Music](Mix_Music) * | **music** | the music object to query. |

## Return Value

(double) Returns music duration in seconds, or -1.0 on error.

## Remarks

To convert to milliseconds, multiply by 1000.0.

If NULL is passed, returns duration of current playing music.

## Version

This function is available since SDL_mixer 2.6.0.

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