Created
January 4, 2018 08:31
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| DEVICE=${DEVICE:-video0} | |
| WATERMARK=`date +%s` | |
| CAPTURE_FILE=${WATERMARK}_screencast.mp4 | |
| CAPTURE_FILE_CAM=${WATERMARK}_capture_${DEVICE}_tmp.mp4 | |
| CAPTURE_FILE_SCREENGRAB=${WATERMARK}_screencast_tmp.mp4 | |
| echo Start capture $WATERMARK with cam $CAPTURE_FILE_CAM and screengrab $CAPTURE_FILE_SCREENGRAB | |
| DEVICE=$DEVICE ./capture_cam.sh $WATERMARK $CAPTURE_FILE_CAM &> /dev/null & | |
| ID_CAM=$! | |
| ./capture_screen.sh $WATERMARK $CAPTURE_FILE_SCREENGRAB &> /dev/null & | |
| ID_SCREEN=$! | |
| echo "Press 'Enter' to finish capture..." | |
| read | |
| echo "Signaling child capture processes to finish..." | |
| pkill -P $ID_CAM | |
| pkill -P $ID_SCREEN | |
| echo "Signaled. Waiting for child processes to finish converting..." | |
| wait | |
| echo "Finished. Creating picture in picture version from two inputs..." | |
| #ffmpeg -i sample-video1.mp4 -i sample-video2.mp4 -filter_complex “[1]scale=iw/4:ih/4 [pip]; [0][pip] overlay=main_w-overlay_w-10:main_h-overlay_h-10″ -ar 44100 -f flv rtmp://localhost:1935/live/myOutStream | |
| #ffmpeg -i $CAPTURE_FILE_SCREENGRAB -i $CAPTURE_FILE_CAM -filter_complex "[1]scale=iw/4:ih/4 [pip]; [0][pip] overlay=main_w-overlay_w-10:main_h-overlay_h-10" -c:v libx264rgb -crf 10 -preset:v ultrafast $CAPTURE_FILE | |
| ffmpeg -y -i $CAPTURE_FILE_SCREENGRAB -i $CAPTURE_FILE_CAM -filter_complex "[0][1] overlay=main_w-overlay_w-10:main_h-overlay_h-10" -c:v libx264rgb -crf 10 -preset:v ultrafast -r 25 $CAPTURE_FILE | |
| echo "Done, enjoy!" | |
| echo mplayer $CAPTURE_FILE |
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| DEVICE=${DEVICE:-video0} | |
| WATERMARK=${1:-`date +%s`} | |
| FILE_NAME=${WATERMARK}_capture_$DEVICE | |
| FILE_NAME_TMP=${FILE_NAME}.mkv | |
| FILE_NAME_OUT=${2:-${FILE_NAME}.mp4} | |
| ffmpeg -f v4l2 -framerate 25 -video_size 640x360 -i /dev/$DEVICE $FILE_NAME_TMP | |
| ffmpeg -i $FILE_NAME_TMP -vcodec libx264 -qscale 0 -r 25 $FILE_NAME_OUT && rm $FILE_NAME_TMP |
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| WATERMARK=${1:-`date +%s`} | |
| FILE_NAME=${WATERMARK}_screencast | |
| FILE_NAME_OUT=${2-:${FILE_NAME}.mp4} | |
| #ffmpeg -f x11grab -y -r 25 -s 2560x1440 -i :0.0 -vcodec huffyuv $FILE_NAME.avi | |
| #ffmpeg -i $FILE_NAME.avi -vcodec libx264 -qscale 0 $FILE_NAME.mp4 | |
| #ffmpeg -f x11grab -r 25 -s 2560x1440 -i :0.0 -vcodec libx264 $FILE_NAME.mp4 | |
| ffmpeg -y -r 25 -f x11grab -s 2560x1440 -i :0.0 -c:v libx264rgb -crf 10 -preset:v ultrafast $FILE_NAME_OUT | |
| # From here: https://panthema.net/2014/0630-Frame-Perfect-Linux-Screencasts-in-the-Year-2014.html | |
| #ffmpeg -y -f alsa -i default -r 30 -f x11grab -s 1920x1080 -i ${DISPLAY} -c:v libx264rgb -crf 0 -preset:v ultrafast -c:a pcm_s16le -af aresample=async=1:first_pts=0 out.mkv |
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