creation of chunks directory if it doesn't exist and rename the webcam receiver to have a clearar name

Decoder/extractVideo.sh

@@ -1,4 +1,5 @@
 #/bin/bash
+mkdir -p chunks
 echo extracting frames
 ffmpeg -loglevel 24 -stats -i input.mp4 /tmp/$$.out%05d.png 
 echo done, processing frames

Decoder/webcamReceiver.sh

@@ -1,4 +1,5 @@
 #/bin/bash
+mkdir -p chunks
 while /bin/true;do
 fswebcam -q -r 800x800 a.png
 #dta=$(fswebcam -q -r 1280x720 - | zbarimg -q --raw --nodbus -)