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Add documentation for custom ffmpeg builds (#3771)

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* Add instructions for custom ffmpeg build

* Add note about mapping /bin
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Nicolas Mowen 2022-09-15 05:34:07 -06:00 committed by GitHub
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docs/docs/configuration/advanced.md
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@ -67,3 +67,14 @@ model:
```
Note that if you rename objects in the labelmap, you will also need to update your `objects -> track` list as well.
## Custom ffmpeg build
Included with Frigate is a build of ffmpeg that works for the vast majority of users. However, there exists some hardware setups which have incompatibilities with the included build. In this case, a docker volume mapping can be used to overwrite the included ffmpeg build with an ffmpeg build that works for your specific hardware setup.
To do this:
1. Download your ffmpeg build and uncompress to a folder on the host (let's use `/home/appdata/frigate/custom-ffmpeg` for this example).
2. Update your docker-compose or docker CLI to include `'/home/appdata/frigate/custom-ffmpeg':'/usr/lib/btbn-ffmpeg':'ro'` in the volume mappings.
3. Restart frigate and the custom version will be used if the mapping was done correctly.
NOTE: The folder that is mapped from the host needs to be the folder that contains `/bin`. So if the full structure is `/home/appdata/frigate/custom-ffmpeg/bin/ffmpeg` then `/home/appdata/frigate/custom-ffmpeg` needs to be mapped to `/usr/lib/btbn-ffmpeg`.