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prprhyt/livestreaming.sh

Created September 22, 2020 11:56
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LIVE STREAMING WITH RULLZ HDMI VIDEO CAPTURE
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livestreaming.sh
WIDTH="1280"
HEIGHT="720"
FPS="30"
VIDEO_BITRATE="2500000" #=2500k
INPUT_SOURCE="/dev/video0"
THREAD_QUEUE_SIZE=8192
URL_WITH_KEY=...
v4l2-ctl --device ${INPUT_SOURCE} --set-fmt-video=width=${WIDTH},height=${HEIGHT},pixelformat=MJPG
ffmpeg -f alsa -ac 1 -threads 0 -thread_queue_size ${THREAD_QUEUE_SIZE} -i hw:1,0 -f v4l2 -input_format mjpeg -video_size ${WIDTH}x${HEIGHT} -i ${INPUT_SOURCE} -c:v libx264 -preset veryfast -vb ${VIDEO_BITRATE} -maxrate ${VIDEO_BITRATE} -bufsize $(($VIDEO_BITRATE * 2)) -framerate ${FPS} -g $(($FPS * 2)) -vsync 1 -af aresample=async=1 -vf format=yuv420p,fps=${FPS} -f flv ${URL_WITH_KEY}
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prprhyt commented Sep 22, 2020 •
edited

1000円HDMIキャプチャスティックでtwitchやyoutube liveでライブストリーミングするやつ
ubuntu18.04+ffmpeg(3.4.8-0ubuntu0.2)で動作確認済み

HDMIキャプチャはAliexpressで入手(1000円強)
https://ja.aliexpress.com/item/4001043423008.html

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