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Ability to set different codec for restream and use go2rtc hardware (#4876)

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* Add video codec to restream config

* Add handling of encode engine and video codec

* Add test for video encoding

* Set in main configuration docs as well

* Add example to restream docs

* Put back patch
This commit is contained in:
Nicolas Mowen
2023-01-03 18:24:34 -07:00
committed by GitHub
parent 760d65b214
commit ea7d1aabba
6 changed files with 90 additions and 8 deletions
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4
docs/docs/configuration/index.md
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@@ -356,6 +356,10 @@ restream:
enabled: True
# Optional: Force audio compatibility with browsers (default: shown below)
force_audio: True
# Optional: Video encoding to be used. By default the codec will be copied but
# it can be switched to another or an MJPEG stream can be encoded and restreamed
# as h264 (default: shown below)
video_encoding: "copy"
# Optional: Restream birdseye via RTSP (default: shown below)
# NOTE: Enabling this will set birdseye to run 24/7 which may increase CPU usage somewhat.
birdseye: False

16
docs/docs/configuration/restream.md
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@@ -15,6 +15,22 @@ Different live view technologies (ex: MSE, WebRTC) support different audio codec
Birdseye RTSP restream can be enabled at `restream -> birdseye` and accessed at `rtsp://<frigate_host>:8554/birdseye`. Enabling the restream will cause birdseye to run 24/7 which may increase CPU usage somewhat.
#### Changing Restream Codec
Generally it is recommended to let the codec from the camera be copied. But there may be some cases where h265 needs to be transcoded as h264 or an MJPEG stream can be encoded and restreamed as h264. In this case the encoding will need to be set, if any hardware acceleration presets are set then that will be used to encode the stream.
```yaml
ffmpeg:
hwaccel_args: your-hwaccel-preset # <- highly recommended so the GPU is used
cameras:
mjpeg_cam:
ffmpeg:
...
restream:
video_encoding: h264
```
### RTMP (Deprecated)
In previous Frigate versions RTMP was used for re-streaming. RTMP has disadvantages however including being incompatible with H.265, high bitrates, and certain audio codecs. RTMP is deprecated and it is recommended to move to the new restream role.