fix tee muxer stream mapping

README.md

@@ -5,6 +5,8 @@
 
 ### setup scrcpy
 `sudo apt install scrcpy`
+
+### setup v4l2 loopback
 `sudo apt install v4l2loopback-dkms v4l2loopback-utils`
 
 ### v4l2loopback.conf:

android.sh

@@ -11,7 +11,7 @@ mkdir -p ./rec/
 cleanup()
 {
   adb_pid=$(ps aux | grep 'adb' | grep ${android} | awk '{print $2}'); 
-  echo "] Killing adb services with pid: ${adb_pid}"
+  echo "] Killing adb services with pid=${adb_pid}"
   kill -9 ${adb_pid}
   exit
 }
@@ -87,7 +87,7 @@ do
         -vf 'format=nv12,hwupload' \
         -c:v h264_vaapi -b:v 6000k -minrate:v 6000k -maxrate:v 6000k -bufsize:v 6000k \
         -r:v 30 -g:v 120 -bf:v 3 -refs:v 16 \
-        -f tee "[f=mpegts]${srt_output}|[f=matroska]local_recording_${CURRENTDATE}.mkv"
+        -f tee -map 0:0 -map 1:0 "[f=mpegts]${srt_output}|[f=mp4]rec/local_recording_${CURRENTDATE}.mp4"
 
         #CURRENTDATE=`date +"%Y_%m_%d_%T"`
         echo "] ffmpeg end at ${CURRENTDATE}"