42 lines
972 B
Markdown
42 lines
972 B
Markdown
# Useful Stuff
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This file contains information, links, tools/commands that can be useful for the video team.
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## Testing
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### Test Presentation
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http://tochev.net/presentation-test/
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### Sample RTMP Stream
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```sh
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ffmpeg -re -f lavfi -i testsrc=size=1920x1080:rate=30 -f lavfi -i "sine=frequency=220" -c:v libx264 -tune zerolatency -af "volume=1.0" -c:a aac -f flv rtmp://localhost/test.stream
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```
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The above command will send a 1080p test pattern with sine audio.
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## Tools
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### Play Video with Audio Bar
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```sh
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mpv --mute --demuxer-lavf-analyzeduration=30 --lavfi-complex='[aid1] asplit [t1] [ao] ; [t1] showvolume=w=1000:h=100 [t2] ; [vid1] [t2] overlay [vo]' SOME_VIDEO_SOURCE
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```
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Remove `--mute` if you want to start the video with an audible audio.
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### ffprobe
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```sh
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ffprobe SOME_VIDEO_SOURCE
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```
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Test the resolution, length, codec, etc. of a video source.
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## Resources
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### Royalty-Free Music
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- https://pixabay.com/music/ (do check the license of the file)
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