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videonetconvert

Creo que la inclusión de _gscripts_common.sh se puede quitar, de todas formas está en https://github.com/gasparfm/gscripts

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#!/bin/bash

# Some things to do in the future
#   Allow several servers, so we can distribute file conversions

SCRIPT_SOURCE=`dirname $BASH_SOURCE[0]`
SCRIPT_PID=$$
. $SCRIPT_SOURCE/_gscripts_common.sh

SELFNAME="$0"

#RSYNC ... rsync -avhP --bwlimit=100K test/Synfig\ Animation\ * gaspy@localhost:test2 | awk "BEGIN { } { print \$1 \$2 \$3; fflush(); }";
RSYNC_ARGS="-avhszp"

# Use avconv, ffmpeg, maybe mencoder...
CONVERTSOFTWARE=""

# A file with the arguments for CONVERTSOFTWARE. Or them enclosed
CONVERTARGUMENTS=""

# Server to connect via SSH
SERVER=""

# Remote work directory
REMOTEWORKDIRECTORY="/tmp"

# Local final destination
LOCALDESTINATION="`pwd`"

# Destination file format
FILEFORMAT="%name_converted.%ext"

# Converted file extension
EXTENSION="mp4"

# Log file
LOGFILE="%destination/videonetconvert.log"

# Input files
INPUTFILES=()

function panic()
{
    echo "$1" 1>&2
    kill -s TERM $SCRIPT_PID
}

function usage()
{
    echo "Usage: "
    echo ""
    echo "   $SELFNAME [options] file1 [file2 file3 ... fileN]"
    echo ""
    echo "Options:"
    echo "  -program PROGRAMNAME : Program to use to convert file. You can use whether avconv or ffmpeg"
    echo "  -args    PROGRAMARGUMENTS : Arguments for PROGRAMNAME to convert file. Maybe you can use templates"
    echo "  -fileformat FORMAT : Format to use for destination file. Default "%name_converted.%ext""
    echo "     You can use keywords for dynamic name creation, valid keywords are:"
    echo "       * %name : Use the original file name (without extension)"
    echo "       * %ext  : Final extension"
    echo "  -extension EXTENSION : Extension for converted file. Default mp4"
    echo "  -server  SERVER : Server to use for computation. e.g.: user@myhost"
    echo "           SERVER MUST use public/private keys to authenticate with no password"
    echo "  -workdir REMOTEWORKDIR : Remote work directory. Work directory in our SERVER. Defaults to /tmp"
    echo "  -destination DESTINATION : Local directory where to copy final files. Defaults to local dir (pwd)"
    echo "  -bwlimit BWLIMIT for data transmissions"
    echo "  -logfile LOGFILE : Log file. Default "%destination/videonetconvert.log" NOT IMPLEMENTED"
    echo "     You can use keywords here too:"
    echo "       * %destination : DESTINATION (see -destination)"
    echo ""
    echo " More information: http://gaspar.totaki.com/"
    kill -s TERM $SCRIPT_PID
}

# Searches for a valid substring inside a big string
function searchValid()
{
    NEEDLE="$1"
    HAYSTACK="$2"

    for i in $HAYSTACK
    do
    if [ "$i" == "$NEEDLE" ]
    then
        echo "found"
        return;
    fi
    done
}

function checkArguments()
{
    if [ -z "$SERVER" ]
    then
    echo "No server to work with."
    usage
    fi
}

function checkSoftware()
{
    VALIDSW="avconv ffmpeg"
    SW="`execssh "which avconv; which ffmpeg; which rsync"`"
    echo $SW > /tmp/mylo
    if [ -z "$CONVERTSOFTWARE" ]
    then
    if [ -n "`echo $SW | grep avconv`" ]
    then
        CONVERTSOFTWARE="avconv"
    elif [ -n "`echo $SW | grep ffmpeg`" ]
    then
        CONVERTSOFTWARE="ffmpeg"
    else
        panic "Failed to search conversion software in remote server"
    fi
    else
    if [ -z `searchValid "$CONVERTSOFTWARE" "$VALIDSW"` ]
    then
        panic "Given conversion software "$CONVERTSOFTWARE" is not valid. Please use ffmpeg or avconv"
    fi

    if [ -z "`echo $SW | grep $CONVERTSOFTWARE`" ]
    then
        panic "Conversion software $CONVERTSOFTWARE not found in remote server"
    fi
    fi

    if [ -z "`echo $SW | grep rsync`" ]
    then
    panic "rsync not found. Couldn't copy media files"
    fi
}

function getFinalName()
{
    FILENAME="$1"
    FINALEXTENSION="$2"
    JUSTNAME=${FILENAME%.[^.]*}
    FINALNAME=$FILEFORMAT
    # Replace with all keywords
    FINALNAME=${FINALNAME//%name/$JUSTNAME}
    FINALNAME=${FINALNAME//%ext/$FINALEXTENSION}

    echo $FINALNAME
}

function execssh()
{
    ssh $SERVER 'bash -s' <<EOF
#!/bin/bash
$@
EOF

    RES=$?
    if (( $RES != 0 ))
    then
    panic "There was a problem connecting to the remote server"
    fi
}

function getVideoInfo()
{
    $CONVERTSOFTWARE -i "$1" 2>&1
}

function doConvert()
{
    PROGRESS=0
    MAXFILE=$((100/${#INPUTFILES[@]}))
    MAXPROCESS=$(($MAXFILE/3))
    for onefile in "${INPUTFILES[@]}"
    do
    echo "# Copying file $onefile..."
    FILEINFO="`getVideoInfo "$onefile"`"
    DURATION=$(echo "$FILEINFO" | sed -n "s/.* Duration: \([^,]*\), start: .*/\1/p")
    FORCEDDURATION=$(echo "$CONVERTARGUMENTS" |  sed -n "s/.*-t\s\?\([^ ]*\).*/\1/p")
    FPS=$(echo "$FILEINFO" | sed -n "s/.*, \(.*\) fps.*/\1/p")
    if [ -z "$FORCEDDURATION" ]
    then
        FRAMES=$(echo $DURATION | awk -F':' "{ FRAMES=(\$1*3600+\$2*60+\$3)*$FPS; print FRAMES }")
    else
        FRAMES=$(echo $FORCEDDURATION*$FPS | bc)
    fi

    FILENAME=${onefile##*/}
    FINALNAME=`getFinalName "$FILENAME" "$EXTENSION"`

    JUSTNAME=${FILENAME%.[^.]*}
    rsync $RSYNC_ARGS --info=progress "$onefile" "$SERVER:$REMOTEWORKDIRECTORY/" | stdbuf -oL tr "\r" "\n" | awk "{
        CFPROGRESS=0+\$2
        PROGRESS=$PROGRESS+$MAXPROCESS*(\$2/100);  print "
# Copying file $onefile. ("CFPROGRESS")\n"PROGRESS;
      fflush(); }"
    echo "
# Converting $FILENAME..."
#   ssh "$SERVER" -c $REMOTEWORKDIRECTORY/$onefile"
    avconv -i "$REMOTEWORKDIRECTORY/$FILENAME" $CONVERTARGUMENTS -y "$REMOTEWORKDIRECTORY/$FINALNAME" 2>&1 | stdbuf -oL tr "\r" "\n" | awk "
    {
    print \$0 > "
/dev/stderr"
    if (\$1=="
frame=")
    {
        CONVPROGRESS=\$2/$FRAMES
                GLOBAL=$PROGRESS+$MAXPROCESS*(1+CONVPROGRESS)
        print "
#Converting $FILENAME... ("CONVPROGRESS*100"% "\$2" of $FRAMES)\n"GLOBAL;
        fflush();
    }
    }" 2> /tmp/full_output
    CONVERTSTATUS=("
${PIPESTATUS[@]}")

    if [ "
${CONVERTSTATUS[0]}" -ne "0" ]
    then
        zenity --error "
Couldn't convert file $FILENAME"
        cat /tmp/full_output | zenity --text-info --width=600
    else
        REMOTEORIGIN="$SERVER:$REMOTEWORKDIRECTORY/$FINALNAME"
        echo rsync $RSYNC_ARGS --info=progress "$REMOTEORIGIN" "$LOCALDESTINATION/"
        rsync $RSYNC_ARGS --info=progress "$REMOTEORIGIN" "$LOCALDESTINATION/" | stdbuf -oL tr "\r" "\n" | awk "{
        CFPROGRESS=0+\$2
        PROGRESS=$PROGRESS+$MAXPROCESS*(2+\$2/100);  print "# Downloading file $FINALNAME. ("CFPROGRESS")\n"PROGRESS;
      fflush(); }"
    fi
    done

    echo "# Terminado!!"
    echo 100
    exit 0;
}

while [ $# -ne 0 ]
do
    arg="$1"
    case "$arg" in
    -program)
        CONVERTSOFTWARE="$2"
        shift
        ;;
    -args)
        CONVERTARGUMENTS="$2"
        shift
        ;;
    -server)
        SERVER="$2"
        shift
        ;;
    -workdir)
        REMOTEWORKDIRECTORY="$2"
        shift
        ;;
    -fileformat)
        FILEFORMAT="$2"
        shift
        ;;
    -extension)
        EXTENSION="$2"
        shift
        ;;
    -destination)
        LOCALDESTINATION="$2"
        shift
        ;;
    -bwlimit)
        RSYNC_ARGS="$RSYNC_ARGS --bwlimit=$2"
        shift
        ;;
    *)
        INPUTFILES+=("$arg")
        ;;
    esac
    shift
done

trap "exit 1" TERM
checkArguments
checkSoftware

echo Software:"$CONVERTSOFTWARE"
echo Arguments:"$CONVERTARGUMENTS"
echo Server: "$SERVER"
echo Remote work directory: "$REMOTEWORKDIRECTORY"
echo Local Final Destination: "$LOCALDESTINATION"
echo Files:
for i in "${INPUTFILES[@]}"
do
    echo "   $i"
done

doConvert | zenity --progress --title "Video Network Converter" --width=420
#doConvert