Свистелки перделки гибридной графики на открытых дровах

#!/bin/bash
GST="gst-launch-1.0"
GSTIN="gst-inspect-1.0"
FPSIN="24/1"
FPSOUT="24/1"
TIME=$(date +"%Y-%m-%d_%H%M%S")
FILEMANE="$HOME/rec_$TIME.avi"
#BITRATE="3000000"
FOUT="! avimux ! filesink location=$FILEMANE"
SOUT="!  h264parse ! avdec_h264 ! xvimagesink"
REC=""
ENCODER="! x264enc speed-preset=fast"
OMX="! omxh264enc "
VAAPI="! vaapiencode_h264 "




function ENC {
DI=`kdialog --menu "CHOOSE ENCODER:" 1 "Radeon OMX" 2 "Intel VAAPI" 3 "SOFTWARE";`

if [ "$?" = 0 ]; then
case "$DI" in 
        1)
           if  [[ '$GSTIN | grep omxh264enc >/dev/null'  ]]
              then ENCODER="$OMX"
              echo "Using omxh264enc encoder"
              else echo "Gstreamer omxh264enc not found"
           fi;;
       2)
           if  [[ '$GSTIN | grep vaapiencode_h264 >/dev/null'  ]]
             then ENCODER="$VAAPI "
             echo "Using vaapiencode_h264 encoder"
             else echo "Gstreamer vaapiencode_h264 not found"
           fi;;
        3)
             ENCODER="! x264enc speed-preset=superfast"
             echo "Using software encoder";;
        *)
             #ENCODER="! x264enc speed-preset=superfast"                                                                                                                                                                         
             echo "Using software encoder"                                                                                                                                                                                       
             ;;                                                                                                                                                                                                                  
             esac                                                                                                                                                                                                                
fi                                                                                                                                                                                                                               
}                                                                                                                                                                                                                                
                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                 
function DIAL {                                                                                                                                                                                                                  
VID=`kdialog --menu "CHOOSE RECORD MODE:" A "FULL SCREEN REC" B "WINDOW REC";`                                                                                                                                                   
                                                                                                                                                                                                                                 
if [ "$?" = 0 ]; then                                                                                                                                                                                                            
        if [ "$VID" = A ]; then                                                                                                                                                                                                  
                REC="$GST -f  ximagesrc  use-damage=0 ! videoconvert ! video/x-raw,format=NV12,framerate=$FPSIN    $ENCODER ! progressreport $FOUT"                                                                              
        elif [ "$VID" = B ]; then                                                                                                                                                                                                
                XID=`xwininfo |grep 'Window id' | awk '{print $4;}'`                                                                                                                                                             
                REC="$GST -f  ximagesrc xid=$XID use-damage=0 ! videoconvert !  video/x-raw,format=NV12,framerate=$FPSIN  $ENCODER ! progressreport $FOUT"                                                                       
        else
                echo "ERROR";
        fi;
fi;
}


ENC
DIAL
echo $REC
$REC