Streaming to twitch.tv from Linux

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I was looking to stream to twitch.tv from Linux, but none of the existing solutions were embedding the webcam over the captured desktop. Since twitch.tv works with rtmp, and existing scripts were using ffmpeg, it was easy to modify the script to add the camera as an overlay. Here’s the source for anyone interested: #!/bin/bash API_KEY="live_..." FPS="30" INRES="1920x1200" OUTRES="640x400" ffmpeg -f x11grab -s "$INRES" -r "$FPS" -i :0.0 \ -f alsa -ac 2 -i default -vcodec libx264 -s "$OUTRES" \ -acodec libmp3lame -ab 128k -ar 44100 -threads 0 \ -vf "movie=/dev/video0:f=video4linux2, scale=120:-1, setpts=PTS-STARTPTS [movie];[in] setpts=PTS-STARTPTS, [movie] overlay=main_w-overlay_w:main_h-overlay_h [out]" \ -f flv "rtmp://live. Read More...