x11record.sh

script to capture a window by name (works on main screen only atm)
and write the output to file (or youtube)

x11record.sh

@@ -0,0 +1,36 @@
+#! /bin/bash
+#
+# afx
+
+VBR="1500k" 
+FPS="30" 
+#QUAL="medium"
+QUAL="veryfast"
+YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2" 
+KEY="..."
+
+WINNAME="Minecraft 1.12.2"
+
+#####################
+offset_x=`xwininfo -name "$WINNAME" | grep geometry | cut -d '+' -f2`
+offset_y=`xwininfo -name "$WINNAME" | grep geometry | cut -d '+' -f3`
+width=`xwininfo -name "$WINNAME" | grep Width | cut -d ':' -f2 | tail -c +2 | head -c -1`
+height=`xwininfo -name "$WINNAME" | grep Height | cut -d ':' -f2 | tail -c +2 | head -c -1`
+
+echo "x11 to youtube capture"
+echo "-=-=-=-=-=-=-=-=-=-=-="
+echo $WINNAME resolution: $width x $height
+echo $WINNAME X offset: $offset_x
+echo $WINNAME Y offset: $offset_y
+echo " "
+echo "Ready?"
+read
+
+ffmpeg  \
+	-video_size "$width"x"$height" -f x11grab -s "$width"x"$height" -i :0.0+"$offset_x","$offset_y" \
+	-f pulse -ac 2 -i default \
+	-vcodec libx264 -pix_fmt yuv420p -preset $QUAL -r $FPS -g $(($FPS * 2)) -b:v $VBR \
+	-acodec libmp3lame -ar 44100 -threads 6 -qscale 3 -b:a 712000 -bufsize 512k \
+	test.mp4
+# 	-f "$YOUTUBE_URL/$KEY"
+