movie2flv.bash video.ogg

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#!/bin/bash
#
 
 
CMD_FFMPEG="${HOME}/ffmpeg/bin/ffmpeg"
CMD_APTITUDE=$(which aptitude)
CMD_SVN=$(which svn)
 
function ffm_Convert2FLV(){
 
    # figure out all the paths
    BASENAME=${1%.[^.]*}
    sorc_mov=${1}
    dest_mov=${BASENAME}.flv
    dest_pic=${BASENAME}.png
 
    # create FLV
    ${CMD_FFMPEG} -i ${sorc_mov} \
            -y \
            -vcodec flv \
            -b 300k \
            -s 320x240 \
            -r 6 \
            -an \
            -croptop 6 \
            -cropbottom 6 \
            -f flv \
            ${dest_mov}
 
    # create PNG
    ${CMD_FFMPEG} -i ${dest_mov} -y -ss 00:00:01 -vcodec png -vframes 1 -an -sameq -f rawvideo ${dest_pic}
}
 
function sys_InstallFFMPEG(){
    echo "You need to be root to install the latest version of ffmpeg:"
    sudo echo "accepted. installing the latest ffmpeg..."
    echo "compiling can take a very long time, don't worry."
 
    echo -n "trying to download build-essential                "
    if [ -f /etc/apt/sources.list ]; then
        [ $? -ne 0 ] || sudo aptitude -y update 1> /dev/null && sudo aptitude -y install build-essential 1> /dev/null
        if [ $? -eq 0 ]; then
            echo "[okay]"
        else
            echo "[fail]"
            exit 1
        fi
    else
        echo "[ignore]"
    fi
 
    echo -n "trying to download ffmpeg SVN trunk               "
    [ $? -ne 0 ] || mkdir -p ${HOME}/ffmpeg/src  1> /dev/null
    [ $? -ne 0 ] || cd ${HOME}/ffmpeg/src
    [ $? -ne 0 ] || sudo svn --force export svn://svn.mplayerhq.hu/ffmpeg/trunk ffmpeg 1> /dev/null
    if [ $? -eq 0 ]; then
        echo "[okay]"
    else
        echo "[fail]"
        exit 1
    fi
 
    echo -n "trying to build (can take long, ignore warnings!) "
    [ $? -ne 0 ] || cd ${HOME}/ffmpeg/src/ffmpeg
    [ $? -ne 0 ] || sudo ./configure --prefix=${HOME}/ffmpeg  1> /dev/null && sudo make  1> /dev/null && sudo make install  1> /dev/null
    [ $? -ne 0 ] || sudo chown -R ${USER}.${USER} ${HOME}/ffmpeg  1> /dev/null
 
    if [ -f "${CMD_FFMPEG}" ] && [ -x "${CMD_FFMPEG}" ];then
        echo "[okay]"
        echo
        echo "Great! We can now start using ${CMD_FFMPEG}"
    else
        echo "[fail]"
        echo
        echo "Something went wrong while building ffmpeg. Please take a look at the errors above."
        exit 1
    fi
 
}
 
function dia_YesNo(){
    # arg1    = title
    # arg2    = description
    while true; do
        echo "${1}"
        echo -n "${2} (Y/n) " && read yn
        case $yn in
            "y" | "Y" | "" )
                dia_Return="1"
                break ;;
            "n" | "N" )
                dia_Return="0"
                break ;;
            * ) echo "unknown response.  Asking again" ;;
        esac
    done
}
 
 
 
if [ ! -n "${CMD_FFMPEG}" ] || [ ! -x "${CMD_FFMPEG}" ];then
    dia_YesNo "I did not find the latest ffmpeg version at ${CMD_FFMPEG}." "Automatically try to install?"
    if [ "${dia_Return}" == "1" ];then
        sys_InstallFFMPEG
    fi
fi
 
if [ ! -n "${CMD_FFMPEG}" ] || [ ! -x "${CMD_FFMPEG}" ];then
    echo "recent ffmpeg not found at ${CMD_FFMPEG}. Aborting"
    exit 1
else
    if [ -n "${1}" ]; then
        echo "Initiating convert"
        ffm_Convert2FLV ${1}
    else
        echo "You need to specify a file to convert. Example: "
        echo "${0} mymovie.ogg"
    fi
fi