Created
November 6, 2012 17:33
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[Linux] Screen Recording / Streaming Command-Line Utilities.
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#!/bin/sh | |
# For pulse users: | |
# Don't forget to set "Monitor of Built-in..." in "Recording" tab in pavucontrol | |
INRES="1680x1050" | |
OUTRES="1280x800" | |
FPS="30" | |
OFFSET="0.0+1280,0" | |
VOLUME_LEVEL="128" | |
QUAL="veryfast" | |
OUT="out.flv" | |
nice -n 10 ffmpeg -f x11grab -s "$INRES" -r "$FPS" -i :"$OFFSET" \ | |
-f alsa -ac 2 -i pulse -vol "$VOLUME_LEVEL" \ | |
-vcodec libx264 -s "$OUTRES" -profile baseline -preset "$QUAL" \ | |
-acodec libmp3lame -ab 96k -ar 44100 \ | |
-threads 0 \ | |
-f flv "$OUT" |
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INRES="1680x1050" # input resolution | |
#OUTRES="1024x640" # Output resolution | |
OUTRES="800x500" # Output resolution | |
FPS="30" # target FPS | |
QUAL="medium" # one of the many FFMPEG preset on (k)ubuntu found in /usr/share/ffmpeg | |
# If you have low bandwidth, put the qual preset on 'fast' (upload bandwidth) | |
# If you have medium bandwitch put it on normal to medium | |
# Write your key in a file named .twitch_key in your home directory | |
STREAM_KEY=$(cat ~/.twitch_key) # This is your streamkey generated by jtv/twitch found at: http://www.justin.tv/broadcast/adv_other | |
avconv \ | |
-f x11grab -s $INRES -r "$FPS" -i :0.0+1680 \ | |
-f alsa -ac 2 -i pulse \ | |
-vcodec libx264 -s $OUTRES -preset $QUAL \ | |
-acodec libmp3lame -ar 44100 -threads 3 -qscale 3 -b 712000 -bufsize 512k \ | |
-f flv "rtmp://live.justin.tv/app/$STREAM_KEY" |
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