Phyrne's HD PVR Capture Script

#! /bin/sh

### Phyrne's HD PVR capture script ###

# Set an alias for the device
HDPVR=/dev/video0

# Set an alias for the filename
DT=$(date +"%H %M %a %d-%b")

# Check for the external drive

DRV=`lsusb | grep "JMicron"`
    if [ "x${DRV}x" != "xx" ]; then
        sudo mount -t vfat /dev/sdb1 ~/Captures && echo "Capture drive mounted!"
    else
        echo "Please insert the capture drive and re-run the script" && exit
    fi

# Load the hdpvr module if necessary

PVR=`lsmod | grep "hdpvr"`
    if [ "x${PVR}x" != "xx" ]; then
        echo "HD PVR module is already loaded :)"
    else
        echo "Loading HD PVR module..." && sudo modprobe hdpvr && echo "Done!"
    fi

sudo /usr/bin/v4l2-ctl --verbose -d $HDPVR -c video_bitrate_mode=0
sudo /usr/bin/v4l2-ctl --verbose -d $HDPVR -c video_bitrate=13500000
sudo /usr/bin/v4l2-ctl --verbose -d $HDPVR -c video_peak_bitrate=20200000
sudo /usr/bin/v4l2-ctl --verbose -d $HDPVR --set-ctrl brightness=125 --set-ctrl contrast=60 --set-ctrl hue=15 --set-ctrl saturation=85 --set-ctrl sharpness=130


# Capture footage to the capture drive

    # Check the HD PVR is plugged in and active

ACT=`ls /dev/ | grep "video0"`
    if [ "x${ACT}x" != "xx" ]; then
        #sudo cat $HDPVR > ~/Captures/$DT.ts
        sudo ffmpeg -i $HDPVR -vcodec copy -acodec ac3 -ab 128k -f matroska /tmp/capture.mkv && sudo mv /tmp/capture.mkv ~/Captures/"$DT".mkv
    else
        echo "The HD PVR is not active :( Make sure you're sending a video signal to it!" && sudo umount -l ~/Captures && sudo rmmod hdpvr
    fi