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Add troubleshooting section (#8940)

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* Add troubleshooting section

When I first attempted to setup the stream component in my dev environment I had the following errors that were only solved by installing these packages.  When I moved to a second pi to do further testing I again needed to run the same commands to setup the component so this will be helpful to any user who has the same error.

* Update stream.markdown
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Daniel Shokouhi 2019-03-14 17:11:35 -07:00 committed by Paulus Schoutsen
parent 1b820ba681
commit 531c348d5b
1 changed files with 16 additions and 0 deletions
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source/_components/stream.markdown
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@ -25,3 +25,19 @@ To enable this component, add the following lines to your `configuration.yaml` f
# Example configuration.yaml entry
stream:
```
## {% linkable_title Troubleshooting %}
Some users on manual installs may see the following error in their logs after restarting:
```
2019-03-12 08:49:59 ERROR (SyncWorker_5) [homeassistant.util.package] Unable to install package av==6.1.2: Command "/home/pi/home-assistant/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-udfl2b3t/av/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-ftn5zmh2/install-record.txt --single-version-externally-managed --compile --install-headers /home/pi/home-assistant/include/site/python3.6/av" failed with error code 1 in /tmp/pip-install-udfl2b3t/av/
2019-03-12 08:49:59 ERROR (MainThread) [homeassistant.requirements] Not initializing stream because could not install requirement av==6.1.2
2019-03-12 08:49:59 ERROR (MainThread) [homeassistant.setup] Setup failed for stream: Could not install all requirements.
```
If you see this error you can solve it by running the following commands and restarting Home Assistant (commands do not need to be ran as the `homeassistant` user):
```
sudo apt-get install -y python-dev pkg-config libavformat-dev libavcodec-dev libavdevice-dev libavutil-dev libswscale-dev libavresample-dev libavfilter-dev
```