mjpeg src: test.mjpg
progressive mp4 src: test.mp4
hls.js src: test.m3u8
jpeg via socket.io
native hls src: test.m3u8
mse via socket.io
ffmpeg stderr...
ffmpeg progress...
m3u8 playlist...
codec info...
-loglevel info -progress pipe:3 -hwaccel auto -analyzeduration 10000000 -probesize 1048576 -re -f hls -i http://commondatastorage.googleapis.com/gtv-videos-bucket/CastVideos/hls/TearsOfSteel.m3u8 -c:a aac -c:v copy -f mp4 -movflags +dash+negative_cts_offsets pipe:1 -c mjpeg -q 10 -r 7 -vf scale=trunc(iw*0.75/2)*2:-2 -f image2pipe pipe:4