detect if a video is having audio or is it a muted video.

How to Retrieve media information similar to MediaMetadataRetriever in android (https://developer.android.com/reference/android/media/MediaMetadataRetriever)

By using METADATA_KEY_HAS_AUDIO you can check whether the video has the audio or not, is there a similar functionality?

## Flutter doctor

```
[✓] Flutter (Channel stable, 1.20.1, on Mac OS X 10.15.7 19H2, locale en-IN)

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.1)
[✓] Xcode - develop for iOS and macOS (Xcode 12.0.1)
[✓] Android Studio (version 4.0)
[✓] VS Code (version 1.49.2)
[✓] Connected device (1 available)

• No issues found!
```