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Update stream technical details (#23407)

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* Update stream technical details

* Include more H.265 information

* Remove outdated ffmpeg information
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uvjustin 2022-07-21 18:07:10 +08:00 committed by GitHub
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source/_integrations/stream.markdown
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@ -59,21 +59,5 @@ stream:
## Technical Details ## Technical Details
The integration currently supports proxying H.264 and H.265 source streams to the HLS protocol and requires at least FFmpeg >= 4. Note that H.265 support is limited to Safari, iOS, and Android. The `stream` integration also provides limited support for audio. PCM codecs (e.g. G.711/G.723/G.726/G.729) are not supported. ADTS AAC audio is also currently not supported. Most other AAC and MP3 encoded audio should work. The integration currently supports proxying H.264 and H.265 source streams to the HLS (and LL-HLS) protocol. Note that while H.265 works on Android and iOS, it does not work in many browsers. This is a browser limitation and not a Home Assistant issue. Safari has native H.265 support, and H.265 also works in Edge on Windows when "HEVC Video Extensions" is installed. Chrome versions >= 104 may also work when started with the "--enable-features=PlatformHEVCDecoderSupport" option. For testing HEVC browser support, do not rely on the https://www.caniuse.com charts or the https://html5test.com site. They are wrong. You can instead use the ["Unprefixed tests" from caniuse.com](https://tests.caniuse.com/?feat=hevc) or the [hls.js demo app with an HEVC HLS stream](https://hls-js.netlify.app/demo/?src=https%3A%2F%2Fbitmovin-a.akamaihd.net%2Fcontent%2Fdataset%2Fmulti-codec%2Fhevc%2Fstream_fmp4.m3u8). The videos there should play if your browser supports H.265.
The `stream` integration supports AAC and MP3 audio. PCM codecs (e.g. G.711/G.723/G.726/G.729) are not supported.
## Troubleshooting
Users on manual installs with FFmpeg < 4 may see an error similar to:
```text
2020-04-28 13:35:43 ERROR (SyncWorker_5) [homeassistant.util.package] Unable to install package av==7.0.1: ERROR: Command errored out with exit status 1:
command: /mnt/c/dev/home-assistant/venv/bin/python3.7 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-twd7glz2/av/setup.py'"'"'; __file__='"'"'/tmp/pip-install-twd7glz2/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-x9tw2ql2/install-record.txt --single-version-externally-managed --compile --install-headers /mnt/c/dev/home-assistant/venv/include/site/python3.7/av
cwd: /tmp/pip-install-twd7glz2/av/
```
You can solve this by running the following steps to update FFmpeg >= 4:
```text
sudo add-apt-repository ppa:jonathonf/ffmpeg-4
sudo apt upgrade
```