#shopt -s expand_aliases
#source /home/andy/.bashrc

SW_PASS=0
SW_FAIL=0
OMX_PASS=0
OMX_FAIL=0
VA_PASS=0
VA_FAIL=0
VD_PASS=0
VD_FAIL=0

VID=/mnt/ramdisk/Test_1440x576_WVC1_6Mbps.wmv
OUT=/mnt/ramdisk/raw

rm $OUT &>/dev/null

#NV_REFSUM=`ffm -i $VID -vframes 499 -f rawvideo -pix_fmt nv12 - | md5sum`
#I_REFSUM=`ffm -i $VID -f rawvideo - | md5sum`
H_REFSUM=`ffmpeg -hwaccel vdpau -i $VID -f rawvideo - | md5sum`

echo -e "\n=============================================="
echo "H_REFSUM = $H_REFSUM"
#echo "I_REFSUM  = $I_REFSUM"
echo -e "================================================\n"

while [ 1 ] ; do

#    RAND=`shuf -i 1-4 -n 1 -z`
    RAND=3
    case "$RAND" in

    1)
        echo -e "\nStarting OMX\n"
        date
        echo -e "\n"
        gst-launch-1.0 -f filesrc location=$VID ! matroskademux ! h264parse ! omxh264dec ! filesink location=$OUT
        sleep 1
        echo " "
        echo "Starting md5sum"
        SUM=`dd if=$OUT count=499 bs=12441600 | md5sum`

        if [ "$SUM" == "$NV_REFSUM" ]
        then
            let "OMX_PASS++"
            echo "OMX_PASS md5sum"
        else
            let "OMX_FAIL++"
            echo -e "\a******* OMX_FAIL md5sum *******"
            echo "Failed sum = $SUM"
        fi

        echo -e "\n=============================================="
        echo -e "\tomx\tvaapi\tvdpau\ts/w"
        echo -e "Pass\t$OMX_PASS\t$VA_PASS\t$VD_PASS\t$SW_PASS"
        echo -e "Fail\t$OMX_FAIL\t$VA_FAIL\t$VD_FAIL\t$SW_FAIL"
        echo -e "\n=============================================="

        rm $OUT
        sleep 1
    ;;

    2)
        echo -e "\nStarting Vaapi\n"
        date
        echo -e "\n"
        gst-launch-1.0 -f filesrc location=$VID ! matroskademux ! h264parse ! vaapidecode ! filesink location=$OUT
        sleep 1
        echo " "
        echo "Starting md5sum"
        SUM=`cat $OUT | md5sum`

        if [ "$SUM" == "$I_REFSUM" ]
        then
            let "VA_PASS++"
            echo "VA_PASS md5sum"
        else
            let "VA_FAIL++"
            echo -e "\a******* VA_FAIL md5sum *******"
            echo "Failed sum = $SUM"
        fi

        echo -e "\n=============================================="
        echo -e "\tomx\tvaapi\tvdpau\ts/w"
        echo -e "Pass\t$OMX_PASS\t$VA_PASS\t$VD_PASS\t$SW_PASS"
        echo -e "Fail\t$OMX_FAIL\t$VA_FAIL\t$VD_FAIL\t$SW_FAIL"
        echo -e "\n=============================================="

        rm $OUT
        sleep 1
    ;;

    3)
        echo -e "\nStarting Vdpau\n"
        date 
        echo -e "\n"
        ffmpeg -hwaccel vdpau -i $VID -f rawvideo $OUT
        sleep 1
        echo " "
        echo "Starting md5sum"
        SUM=`cat $OUT | md5sum`

        if [ "$SUM" == "$H_REFSUM" ]
        then
            let "VD_PASS++"
            echo "VD_PASS md5sum"
        else
            let "VD_FAIL++"
            echo -e "\a******* VD_FAIL md5sum *******"
            echo "Failed sum = $SUM"
        fi

        echo -e "\n=============================================="
        echo -e "\tomx\tvaapi\tvdpau\ts/w"
        echo -e "Pass\t$OMX_PASS\t$VA_PASS\t$VD_PASS\t$SW_PASS"
        echo -e "Fail\t$OMX_FAIL\t$VA_FAIL\t$VD_FAIL\t$SW_FAIL"
        echo -e "\n=============================================="
        
        rm $OUT
        sleep 1
    ;;

    4)
        echo -e "\nStarting Software\n"
        date 
        echo -e "\n"
        ffm -i $VID -f rawvideo $OUT
        sleep 1
        echo " "
        echo "Starting md5sum"
        SUM=`cat $OUT | md5sum`

        if [ "$SUM" == "$I_REFSUM" ]
        then
            let "SW_PASS++"
            echo "SW_PASS md5sum"
        else
            let "SW_FAIL++"
            echo -e "\a******* SW_FAIL md5sum *******"
            echo "Failed sum = $SUM"
        fi

        echo -e "\n=============================================="
        echo -e "\tomx\tvaapi\tvdpau\ts/w"
        echo -e "Pass\t$OMX_PASS\t$VA_PASS\t$VD_PASS\t$SW_PASS"
        echo -e "Fail\t$OMX_FAIL\t$VA_FAIL\t$VD_FAIL\t$SW_FAIL"
        echo -e "\n=============================================="

        rm $OUT
        sleep 1
    ;;

    esac

done