makeyoutube

#!/bin/bash
# makeyoutube
# makes a file appropriate for uploading to youtube
version="1.0"

scriptdir=`dirname "$0"`
. "$scriptdir/mmfunctions" || { echo "Missing '$scriptdir/mmfunctions'. Exiting." ; exit 1 ;};

cleanup(){
	log -a "Process aborted"
	exit 1
}

trap cleanup SIGHUP SIGINT SIGTERM

usage(){
	echo
	echo "$(basename $0) ${version}"
	echo "This script may be run interactively by running it with no arguments or may be used with the following options."
	echo "Usage: $(basename $0) [ -m mediaid ] [ -f sourcefile ]"
	echo "  -m mediaid"
	echo "  -f sourcefile"
	exit
}

# command-line options to set mediaid and original variables
OPTIND=1
while getopts ":hm:f:" opt; do
	case "$opt" in
		h) usage ;;
		m) mediaid="$OPTARG";;
		f) input="$OPTARG" ; once="y" ;;
		\?) echo "Invalid option: -$OPTARG" ; exit 1 ;;
		:) echo "Option -$OPTARG requires an argument" ; exit 1 ;;
	esac
done

shift $(( ${OPTIND} - 1 ))

[ "$#" = 0 -a ! "$input" ] && { ask_input ; once="y" ;};

while [ "$*" != ""  -o "$once" = "y" ] ; do
	once="n"
	[ "$#" != 0 ] && input="$1"
	[ -d "$input" ] && { outputdir="$input/objects/access/youtube_up" && logdir="$input/metadata/submissionDocumentation/logs" ;};
	[ -f "$input" ] && { outputdir=`dirname "$input"`"/access/youtube_up" && logdir="`dirname "$input"`/access/logs" ;};
	[ ! "$outputdir" ] && { outputdir="$input/objects/access/youtube_up" && logdir="$input/metadata/submissionDocumentation/logs" ;};
	find_input "$input"

	filename=`basename "$sourcefile"`
	mediaid=`basename "$1" | cut -d. -f1`
	
log -b

	youtubeoutput="$outputdir/${mediaid%.*}.mp4"
	[ -s "$youtubeoutput" ] && { report -wt "WARNING $youtubeoutput already exists, skipping transcode" ; exit 1 ;};
	mkdir -p "$outputdir"
	get_height "$sourcefile"
	get_width "$sourcefile"

	inputoptions=""
	inputoptions+=" -vsync 0"
	middleoptions=""
	middleoptions+=" -movflags faststart"
	middleoptions+=" -pix_fmt yuv420p"
	middleoptions+=" -c:v libx264"
	middleoptions+=" -crf 18"
	if  [ "$height" -eq "486" -a "$width" -eq "720" ] ; then
		middleoptions+=" -vf \"crop=720:480:0:4,yadif\" "
	elif  [ "$height" -eq "512" -a "$width" -eq "720" ] ;then
		middleoptions+=" -vf \"crop=720:480:0:32,yadif\" "
	else
		middleoptions+=" -vf yadif "
	fi
	middleoptions+=" -c:a libfaac"
	middleoptions+=" -b:a 128k"
	middleoptions+=" -f mp4"

	if [ "$logdir" != "" ] ; then
		mkdir -p "$logdir"
		export FFREPORT="file=${logdir}/%p_%t_$(basename $0)_${version}.txt"
		inputoptions+=" -report"
	fi
	#makeyoutubecommand="ffmpeg $inputoptions -i \"$sourcefile\" $middleoptions \"$youtubeoutput\""
	#report -dt "Running: $makeyoutubecommand"
	#eval "$makeyoutubecommand"
	#chapterlist=$(ffmpeg -i "$sourcefile" 2>&1 | grep "Chapter #0." | awk '{print $4}' | tr -d "\n" | sed '$s/.$//') && { chaptered="Y" ; report "Found chapters found in $sourcefile" ;};
	#if [ chaptered="Y" ] ; then
		#if [ "$logdir" != "" ] ; then
			#export FFREPORT="file=${logdir}/%p_%t_$(basename $0)_segmented_${version}.txt"
		#fi
		#-force_key_frames $chapterlist
		#segmentcommand="ffmpeg $inputoptions -i \"$sourcefile\" $middleoptions -r:v ntsc -map 0:v -map 0:a -f segment -segment_times $chapterlist -reset_timestamps 1 #-segment_start_number 1 -segment_time_delta 0.05 \"${youtubeoutput%.*}_S%02d.mp4\""
		#report -dt "Running: $segmentcommand"
		#eval "$segmentcommand"
	#fi
	shift
done
log -e