75 lines
2.7 KiB
Bash
Executable File
75 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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if [ -z "$1" ]; then
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echo "usage: ./vithumbs.sh INPUT [COLS=5] [ROWS=5] [SIZE=1600]"
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exit
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fi
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# Define variables
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INPUT=$1
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COLS=$2
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if [ -z "$COLS" ]; then
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COLS=5
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fi
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ROWS=$3
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if [ -z "$ROWS" ]; then
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ROWS=5
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fi
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SIZE=$4
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if [ -z "$SIZE" ]; then
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SIZE=1600
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fi
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FONTFILE=""
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if [ -z "$FONTFILE" ]; then
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FONT="font=Mono"
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else
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FONT="fontfile=$FONTFILE"
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fi
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FFMPEG_VERBOSITY="-hide_banner -loglevel error"
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NFRAMES=$(echo "scale=0;$COLS*$ROWS" | bc)
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DURX=$(ffmpeg -i "$INPUT" 2>&1 | grep Duration | awk '{print $2}' | tr -d ,)
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DURATION=$(ffmpeg -i "$INPUT" 2>&1 | grep "Duration"| cut -d ' ' -f 4 | sed s/,// | sed 's@\..*@@g' | awk '{ split($1, A, ":"); split(A[3], B, "."); print 3600*A[1] + 60*A[2] + B[1] }')
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RES=$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 "$INPUT")
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FILESIZE=$(du -sm "$INPUT" | awk '{print $1}')
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METADATA_PX=110
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TMPDIR="/tmp/thumbnails-${RANDOM}/"
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mkdir $TMPDIR
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for (( VARIABLE=0; VARIABLE<NFRAMES; VARIABLE++ ))
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do
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OFFSET=$(echo "scale=2;$VARIABLE*$DURATION/$NFRAMES+$DURATION/$NFRAMES/2" | bc)
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# Create thumbnails
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ffmpeg -start_at_zero -copyts -ss $OFFSET $FFMPEG_VERBOSITY -i "$INPUT" \
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-vf "drawtext=$FONT:fontsize=60:fontcolor=0xEEEEEE::shadowcolor=0x111111:shadowx=2:shadowy=2:x=(W-tw)/40:y=H-th-20:text='%{pts\:gmtime\:0\:%H\\\\\\:%M\\\\\:%S}'" \
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-vframes 1 ${TMPDIR}$(printf "%04d" $VARIABLE).png
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done
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# Merge thumbnails into tile image
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ffmpeg -pattern_type glob $FFMPEG_VERBOSITY -i "${TMPDIR}*.png" -filter_complex tile=${COLS}x${ROWS}:margin=5:padding=5:color=white ${TMPDIR}tiled.png
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# Output metadata to file
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echo "File Name: $INPUT" >>${TMPDIR}metadata.txt
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echo "File Size: $FILESIZE MByte" >>${TMPDIR}metadata.txt
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echo "Duration: $DURX" >>${TMPDIR}metadata.txt
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echo "Resolution: $RES" >>${TMPDIR}metadata.txt
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# Get dimensions of tile image
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thewidth=$(ffmpeg -i ${TMPDIR}tiled.png 2>&1 |grep Video|awk '{ split( $6, pieces, /[x,]/ ) ; print pieces[1] }')
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theheight=$(ffmpeg -i ${TMPDIR}tiled.png 2>&1 |grep Video|awk '{ split( $6, pieces, /[x,]/ ) ; print pieces[2] }')
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# Redefine height & scale (according to $SIZE)
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scaledheight=$(echo "scale=0;$theheight*$SIZE/$thewidth" | bc)
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ffmpeg $FFMPEG_VERBOSITY -i ${TMPDIR}tiled.png -vf scale=${SIZE}x${scaledheight} -vframes 1 ${TMPDIR}tiled_resized.png
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# Add space to the top of the image
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finalheight=$(echo "$scaledheight+$METADATA_PX" | bc)
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# Add Metadata
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ffmpeg -f lavfi -i color=0x282828:${SIZE}x${finalheight} $FFMPEG_VERBOSITY -i ${TMPDIR}tiled_resized.png \
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-filter_complex "[0:v][1:v] overlay=0:$METADATA_PX,drawtext=$FONT:fontsize=20:fontcolor=0xEEEEEE:line_spacing=5:x=12:y=12:textfile=${TMPDIR}metadata.txt" \
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-vframes 1 -q:v 2 "${INPUT}_vithumbs.jpg"
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# Clean tempfiles
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rm -r $TMPDIR |