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Update camera.ffmpeg.markdown

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Pascal Vizeli 2016-09-14 16:28:38 +02:00 committed by GitHub
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@ -42,18 +42,6 @@ Configuration variables:
You can control the `image quality` with [`extra_arguments`](https://www.ffmpeg.org/ffmpeg-codecs.html#jpeg2000) `-q:v 2-32` or with lossless option `-pred 1`.
### {% linkable_title Troubleshooting %}
In most of case, `ffmpeg` autodetect all needed options to read a video/audio stream or file. But it is possible in rare cases that's needed to set a option to help `ffmpeg`. Per default `ffmpeg` use 5 seconds to detect all options or abort.
First check, if your stream playable by `ffmpeg` with (use option `-an` or `-vn` to disable video or audio stream):
```
$ ffmpeg -i INPUT -an -f null -
```
Now you can see what going wrong. Following list could be help to solve your trouble:
- `[rtsp @ ...] UDP timeout, retrying with TCP`: You need to set RTSP transport in the configuration with: `input: -rtsp_transport tcp -i INPUT`
- `[rtsp @ ...] Could not find codec parameters for stream 0 (Video: ..., none): unspecified size`: FFmpeg need more data or time for autodetect. You can set the `analyzeduration` and/or `probesize` option, play with this value. If you know the needed value you can set it with: `input: -analyzeduration xy -probesize xy -i INPUT`. More information about that can be found on [FFmpeg](https://www.ffmpeg.org/ffmpeg-formats.html#Description).
If you are running into trouble with this sensor, please refer to this [Troubleshooting section](/components/ffmpeg/#troubleshooting).