initial

README.md

@@ -1,2 +1,4 @@
 mediamicroservices
-==================
+==================
+
+Various media processing scripts. Use at your own risk.

barcodeinterpret

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+#!/bin/bash
+# interpret Interleaved 2/5 barcode 58 byte barcode values used by the ProBell tape management system
+
+if test $# != 1
+then
+echo "You must supply one argument, a scanned interleaved 2/5 barcode value"; exit
+fi
+
+barcode="$1"
+
+translatebyte()
+{
+	val=`echo $1 | echo $(cut -c $2-$3) + 32 | bc`
+	if [ "$val" = 131 ] ; then
+		echo 9 | awk '{printf("%c", $0);}'
+	else
+		echo $val | awk '{printf("%c", $0);}'
+	fi
+}
+addcolons()
+{
+	echo $(echo $1 | cut -c 1-2):$(echo $1 | cut -c 3-4):$(echo $1 | cut -c 5-6):$(echo $1 | cut -c 7-8)
+}
+
+get_ids()
+{
+	barcode=$1
+	c00=`translatebyte $barcode 2 3`
+	c01=`translatebyte $barcode 4 5`
+	c02=`translatebyte $barcode 6 7`
+	c03=`translatebyte $barcode 8 9`
+	c04=`translatebyte $barcode 10 11`
+	c05=`translatebyte $barcode 12 13`
+	c06=`translatebyte $barcode 14 15`
+	c07=`translatebyte $barcode 16 17`
+	c08=`translatebyte $barcode 18 19`
+	c09=`translatebyte $barcode 20 21`
+	c10=`translatebyte $barcode 22 23`
+	c11=`translatebyte $barcode 24 25`
+	c12=`translatebyte $barcode 26 27`
+	c13=`translatebyte $barcode 28 29`
+	c14=`translatebyte $barcode 30 31`
+	c15=`translatebyte $barcode 32 33`
+	c16=`translatebyte $barcode 34 35`
+	c17=`translatebyte $barcode 36 37`
+	c18=`translatebyte $barcode 38 39`
+	c19=`translatebyte $barcode 40 41`
+	echo $c00$c01$c02$c03$c04$c05$c06$c07$c08$c09$c10$c11$c12$c13$c14$c15$c16$c17$c18$c19
+}
+
+ids=`get_ids $barcode`
+
+materialid=$(echo $ids | cut -d ' ' -f 2)
+if [[ $(echo "$materialid" | tail -c +9 | head -c 1) == "H" ]] ; then
+   materialid="${materialid}D"
+fi
+echo deviceid,$(echo $ids | cut -d ' ' -f 1),materialid,$materialid,som,`addcolons $(echo $barcode | cut -c 42-49)`,duration,`addcolons $(echo $barcode | cut -c 50-57)`

blackatends

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+#!/bin/bash
+# blackatends
+# Accepts one or many video files as an input and determines how many frames of black are at the beginning and at the end
+scriptdir=`dirname "$0"`
+. "$scriptdir/variables"
+. "$scriptdir/functions"
+[ ! -f "$scriptdir/variables" -o ! -f "$scriptdir/functions" ] && { echo "Missing '$scriptdir/variables' and/or '$scriptdir/functions'. Exiting." ; exit 1 ;};
+
+[ "$#" = 0 ] && { ask_input ; once="y" ;};
+
+while [ "$*" != ""  -o "$once" = "y" ] ; do
+	once="n"
+	[ "$#" != 0 ] && sourcefile="$1"
+	black_at_ends "$sourcefile"
+    shift
+done

checksumpackage

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+#!/bin/bash
+# checksumpackage
+# make checksum.md5 via md5deep for package
+# version 1.1 adds use of dfxml
+version=1.1
+
+scriptdir=`dirname "$0"`
+. "$scriptdir/variables"
+. "$scriptdir/functions"
+[ ! -f "$scriptdir/variables" -o ! -f "$scriptdir/functions" ] && { echo "Missing '$scriptdir/variables' and/or '$scriptdir/functions'. Exiting." ; exit 1 ;};
+
+check_dependencies md5deep xml
+
+# local variables
+CHECKSUMNAME="checksum.md5"
+DFXMLNAME="dfxml.xml"
+
+while [ "$*" != "" ] ; do
+	if [ -d "$1" ] ; then
+		pwd=`pwd`
+		"$scriptdir/removeDSStore" "$1"
+		if [ ! -s "${1}/metadata/$CHECKSUMNAME" -o ! -s "${1}/$CHECKSUMNAME" ] ; then
+			report "${BLUE}making Digital Forensics XML (${DFXMLNAME}) and $CHECKSUMNAME for ${1}${NC}"
+			cd "$1"
+			if [ -d objects ] ; then
+				md5deep -drl objects > "metadata/$DFXMLNAME"
+				xml sel -T -t -m "/dfxml/fileobject" -v "hashdigest" -o " " -v "ctime" -o "  " -v "filename" -n "metadata/$DFXMLNAME" > "metadata/$CHECKSUMNAME"
+			else
+				maketemp
+				md5deep -drl . > $TMPFILE
+				mv $TMPFILE "$DFXMLNAME"
+				xml sel -T -t -m "/dfxml/fileobject" -v "hashdigest" -o " " -v "ctime" -o "  " -v "filename" -n "$DFXMLNAME" > "$CHECKSUMNAME"
+			fi
+		    cd "$pwd"
+		else
+			report "${BLUE}${CHECKSUMNAME} already exists, skipping for ${1}${NC}"
+	    fi
+    else
+	    report "${BLUE}ERROR: $0 requires directories as input and $1 is not a directory.${NC}"
+    fi
+    shift
+done

fix_left2stereo

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+#!/bin/bash
+# left 2 stereo mix
+
+scriptdir=`dirname "$0"`
+. "$scriptdir/variables"
+. "$scriptdir/functions"
+
+suffix="_left2stereo"
+
+if test $# != 1 ; then
+	report "${RED}You must supply one argument. Refer to a file after calling the `basename $0` script.${NC}"; exit
+fi
+
+while [ "$*" != "" ] ; do
+
+	input_movie="$1"
+	name=`basename "$1"`
+
+	codec_tag_string=`ffprobe -show_streams -print_format compact "$input_movie" 2>/dev/null| grep codec_type=video | grep -o "codec_tag_string=[^|]*" | cut -d= -f2`
+
+	[ "$codec_tag_string" = "mpeg" ] && { ffmpeg_opts+=" -c:v copy -c:a pcm_s24le " ; extension="mxf" ; } ;
+	[ "$codec_tag_string" = "mpeg" ] || { ffmpeg_opts+=" -c:v copy -c:a pcm_s24le " ; extension="mov" ; } ;
+
+	if [ -f "${input_movie%.*}${suffix}.${extension}" ] ; then 
+		report "${RED}The intended output of `basename $0` already exists. Skipping for now. Please delete \"${input_movie%.*}${suffix}.${extension}\" and rerun or figure out why you are trying to do this.${NC}"
+	else
+		cmd="ffmpeg -i '$input_movie' $ffmpeg_opts -filter pan=stereo:c0=c0:c1=c0 '${input_movie%.*}${suffix}.${extension}'"
+		echo "$cmd"
+		eval "$cmd"
+	    report "${GREEN} `basename $0` is done with ${name}.${NC}"
+	fi
+	shift
+done

fix_rewrap

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+#!/bin/bash
+# this script takes one argument which is a video file. It then rewraps it to make a new file.
+
+scriptdir=`dirname "$0"`
+. "$scriptdir/variables"
+. "$scriptdir/functions"
+
+if test $# != 1 ; then
+	report "${RED}You must supply one argument. Refer to a file after calling the `basename $0` script.${NC}"; exit
+fi
+
+while [ "$*" != "" ] ; do
+
+	input_movie="$1"
+	name=`basename "$1"`
+
+	codec_tag_string=`ffprobe -show_streams -print_format compact "$input_movie" 2>/dev/null| grep codec_type=video | grep -o "codec_tag_string=[^|]*" | cut -d= -f2`
+
+	[ "$codec_tag_string" = "mpeg" ] && { ffmpeg_opts+=" -c:v copy -c:a pcm_s24le " ; extension="mxf" ; } ;
+	[ "$codec_tag_string" = "mpeg" ] || { ffmpeg_opts+=" -c:v copy -c:a pcm_s24le " ; extension="mov" ; } ;
+
+	if [ -f "${input_movie%.*}_voladj.${extension}" ] ; then 
+		report "${RED}The intended output of `basename $0` already exists. Skipping for now. Please delete \"${input_movie%.*}_rewrap.${extension}\" and rerun or figure out why you are trying to do this.${NC}"
+	else
+		report "${GREEN}Generating '${input_movie%.*}_rewrap.${extension}' ...${NC}"
+		cmd="ffmbc -i '$input_movie' -vcodec copy -acodec copy '${input_movie%.*}_rewrap.${extension}'"
+		eval "$cmd"
+	    report "${GREEN} `basename $0` is done with ${name}.${NC}"
+	fi
+	shift
+done

fix_volume

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+#!/bin/bash
+# this script takes one argument which is a video file. It evaluates the audio of the file, determines the difference needed to change the audio to -30dB as a mean_volume and then makes that adjustment to an output MXF file. The video track is simply copied.
+
+scriptdir=`dirname "$0"`
+. "$scriptdir/variables"
+. "$scriptdir/functions"
+
+if test $# != 1 ; then
+	report "${RED}You must supply one argument. Refer to a file after calling the `basename $0` script.${NC}"; exit
+fi
+
+while [ "$*" != "" ] ; do
+
+	input_movie="$1"
+	name=`basename "$1"`
+
+	codec_tag_string=`ffprobe -show_streams -print_format compact "$input_movie" 2>/dev/null| grep codec_type=video | grep -o "codec_tag_string=[^|]*" | cut -d= -f2`
+
+	[ "$codec_tag_string" = "mpeg" ] && { ffmpeg_opts+=" -c:v copy -c:a pcm_s24le " ; extension="mxf" ; } ;
+	[ "$codec_tag_string" = "mpeg" ] || { ffmpeg_opts+=" -c:v copy -c:a pcm_s24le " ; extension="mov" ; } ;
+
+	if [ -f "${input_movie%.*}_voladj.${extension}" ] ; then 
+		report "${RED}The intended output of `basename $0` already exists. Skipping for now. Please delete \"${input_movie%.*}_voladj.${extension}\" and rerun or figure out why you are trying to do this.${NC}"
+	else
+		report "${GREEN}Getting volume data for $name ...${NC}"
+		volume_data=`ffmpeg -i "$input_movie" -af volumedetect -f null - 2>&1 | grep volumedetect`
+		mean_volume=`echo "$volume_data" | grep "mean_volume" | cut -d: -f2 | cut -d " " -f2 | cut -d " " -f1`
+		max_volume=`echo "$volume_data" | grep "max_volume" | cut -d: -f2 | cut -d " " -f2 | cut -d " " -f1`
+		adjustment=`echo -30 - "$mean_volume" | bc` 
+		report "${GREEN}MEAN volume is ${mean_volume}dB. MAX volume is ${max_volume}db. Will adjust by ${adjustment}dB.${NC}"
+		report "${GREEN}Generating '${input_movie%.*}_voladj.${extension}' ...${NC}"
+		cmd="ffmpeg -i '$input_movie' $ffmpeg_opts -af volume=${adjustment}dB '${input_movie%.*}_voladj.${extension}'"
+		eval "$cmd"
+	    report "${GREEN} `basename $0` is done with ${name}.${NC}"
+	fi
+	shift
+done