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Add quirks section to video playback notes #296

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Add quirks section to video playback notes #296

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Update example mpv command to include --drm-mode=21; Add new section …
danboid Oct 27, 2018
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Add Quirks section to video playback notes
danboid Oct 27, 2018
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24 changes: 24 additions & 0 deletions recipes/video-playback.md
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Expand Up @@ -110,6 +110,30 @@ And then using `LD_PRELOAD_PATH` to instruct `mpv` to use different library:
LD_PRELOAD_PATH=/usr/lib/aarch64-linux-gnu/gbm mpv --vo=gpu --gpu-context=drm --hwdec=rkmpp video.mkv
```

### Quirks

If you experience distorted or very jerky video playback, try adding the follwing switch:

--drm-mode=21

or

--drm-mode=17

If you get large horizontal black bars during video playback ('letterboxing'), you may be able to achieve full screen playback by adjusting the aspect ratio.

Tap 'A' during playback of a video to cycle through aspect modes or use a switch to make it permanent by adding something like:

--video-aspect=1.3333

To the example mpv command above.

mpv defaults to rotating videos that have been shot in potrait mode. To get it to ignore videos rotation metadata and always play videos in landscape mode add:

--video-rotate=no

To the example mpv command.

## Thanks

You should thank [LongChair](https://github.com/LongChair) and [Kwiboo](https://github.com/Kwiboo/) for making this work!