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Merge pull request #1119 from react-native-community/chore/document-ios-caption

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Document iOS sidecar text tracks
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Hampton Maxwell 2018-07-11 09:31:59 -07:00 committed by GitHub
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3
CHANGELOG.md
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@ -1,5 +1,8 @@
## Changelog
### Next Version
* Support sidecar text tracks on iOS [#1109](https://github.com/react-native-community/react-native-video/pull/1109)
### Version 3.0
* Inherit Android buildtools and SDK version from the root project [#1081](https://github.com/react-native-community/react-native-video/pull/1081)
* Automatically play on ExoPlayer when the paused prop is not set [#1083](https://github.com/react-native-community/react-native-video/pull/1083)

11
README.md
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@ -402,9 +402,11 @@ Property | Description
--- | ---
title | Descriptive name for the track
language | 2 letter [ISO 639-1 code](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) representing the language
type | Mime type of the track<br> * TextTrackType.SRT - .srt SubRip Subtitle<br> * TextTrackType.TTML - .ttml TTML<br> * TextTrackType.VTT - .vtt WebVTT
type | Mime type of the track<br> * TextTrackType.SRT - SubRip (.srt)<br> * TextTrackType.TTML - TTML (.ttml)<br> * TextTrackType.VTT - WebVTT (.vtt)<br>iOS only supports VTT, Android ExoPlayer supports all 3
uri | URL for the text track. Currently, only tracks hosted on a webserver are supported
On iOS, sidecar text tracks are only supported for individual files, not HLS playlists. For HLS, you should include the text tracks as part of the playlist.
Example:
```
import { TextTrackType }, Video from 'react-native-video';
@ -413,21 +415,20 @@ textTracks={[
{
title: "English CC",
language: "en",
type: "text/vtt", TextTrackType.VTT,
type: TextTrackType.VTT, // "text/vtt"
uri: "https://bitdash-a.akamaihd.net/content/sintel/subtitles/subtitles_en.vtt"
},
{
title: "Spanish Subtitles",
language: "es",
type: "application/x-subrip", TextTrackType.SRT,
type: TextTrackType.SRT, // "application/x-subrip"
uri: "https://durian.blender.org/wp-content/content/subtitles/sintel_es.srt"
}
]}
```
This isn't support on iOS because AVPlayer doesn't support it. Text tracks must be loaded as part of an HLS playlist.
Platforms: Android ExoPlayer
Platforms: Android ExoPlayer, iOS
#### useTextureView
Output to a TextureView instead of the default SurfaceView. In general, you will want to use SurfaceView because it is more efficient and provides better performance. However, SurfaceViews has two limitations: