Work with special characters in replacement strings
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04e26c8d55
commit
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1 changed files with 25 additions and 28 deletions
53
generate.sh
53
generate.sh
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@ -1,6 +1,6 @@
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#!/bin/bash
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SOURCEDIR=`pwd`
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SOURCEDIR=$(pwd)
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PROJECT=$1
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BASETEMPLATE="nluug-title-template.svg"
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SOURCEFILE="event.svg"
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@ -9,26 +9,26 @@ PROJDIR=/tmp/nluug-intro-${PROJECT}
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if [ -z "${PROJECT}" ]; then
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echo "Usage: $0 <project>"
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exit 1;
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exit 1
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fi
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if [ -z "$EVENTNAME" ]; then
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echo "Specify EVENTNAME env-var"
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exit 2;
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exit 2
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fi
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if [ -z "$SPEAKERNAME" ]; then
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echo "Specify SPEAKERNAME env-var"
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exit 3;
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exit 3
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fi
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if [ -z "$TITLE1" -o -z "$TITLE2" -o -z "$TITLE3" ]; then
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if [ -z "$TITLE1" ] || [ -z "$TITLE2" ] || [ -z "$TITLE3" ]; then
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echo "Specify TITLE1/TITLE2/TITLE3 env-vars"
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exit 4;
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exit 4
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fi
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# Usage:
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# EVENTNAME="NLUUG Najaar 5 November 2024"
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# MAXLENGTH="SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER"
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#SPEAKERNAME="Example Speaker Name"
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# MAX="XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
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#TITLE1="Keynote: Some example title"
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#TITLE2="With 3 lines, or use some whitespace"
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#TITLE3="If less are needed"
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@ -39,15 +39,15 @@ FRAMENUM=0
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# Make project directory
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mkdir -p ${PROJDIR}; cd ${PROJDIR}
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# Customize tempalte to this event from base template
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cat ${SOURCEDIR}/$BASETEMPLATE | sed -e "s/EVENTNAMEEVENTNAME/$EVENTNAME/" > ${SOURCEFILE}
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# Customize template to this event from base template
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awk -v eventname="$EVENTNAME" '{gsub(/EVENTNAMEEVENTNAME/, eventname); print}' "${SOURCEDIR}/${BASETEMPLATE}" > ${SOURCEFILE}
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# Create initial image without title/speaker info
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cat ${SOURCEFILE} | sed -e 's/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER//' -e 's/TITLE[123]//' > frameclear.svg
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awk '{gsub(/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER/, ""); gsub(/TITLE[123]/, ""); print}' ${SOURCEFILE} > frameclear.svg
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# Fade this image in from 100% transparant to 'normal'
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# Fade this image in from 100% transparent to 'normal'
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echo "Generate fade-in-from-black sequence"
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for i in `seq 100 -3 0`
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for i in $(seq 100 -3 0)
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do
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echo "Generate frame ${FRAMENUM}"
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${CONV} -colorize ${i}% frameclear.svg frame-${FRAMENUM}.webp
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@ -57,37 +57,37 @@ done
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echo "Add speakername sequence"
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SLEN=${#SPEAKERNAME} # Length of name
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# Copy a new frame, and fill in the speaker name 1 character at a time
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for i in `seq 0 ${SLEN}`
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for i in $(seq 0 ${SLEN})
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do
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echo "Generate frame ${FRAMENUM}"
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SN="${SPEAKERNAME::$i}"
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cat ${SOURCEFILE} | sed -e "s/TITLE[123]//" -e "s/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER/$SN/" > ${PROJDIR}/frame-${FRAMENUM}.svg
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SN="${SPEAKERNAME:0:i}"
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awk -v sn="$SN" '{gsub(/TITLE[123]/, ""); gsub(/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER/, sn); print}' ${SOURCEFILE} > ${PROJDIR}/frame-${FRAMENUM}.svg
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${CONV} frame-${FRAMENUM}.svg frame-${FRAMENUM}.webp
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((FRAMENUM++))
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done
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echo "Add title sequence"
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# With speakername, not add the title, 1 char (per line) at a time
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for i in `seq 0 40`
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# With speakername, now add the title, 1 char (per line) at a time
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for i in $(seq 0 40)
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do
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echo "Generate frame ${FRAMENUM}"
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T1="${TITLE1::$i}" # Substring, first i characters
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T2="${TITLE2::$i}"
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T3="${TITLE3::$i}"
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cat ${SOURCEFILE} | sed -e "s/TITLE1/$T1/" -e "s/TITLE2/$T2/" -e "s/TITLE3/$T3/" -e "s/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER/$SN/" > ${PROJDIR}/frame-${FRAMENUM}.svg
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T1="${TITLE1:0:i}" # Substring, first i characters
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T2="${TITLE2:0:i}"
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T3="${TITLE3:0:i}"
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awk -v t1="$T1" -v t2="$T2" -v t3="$T3" -v sn="$SN" '{gsub(/TITLE1/, t1); gsub(/TITLE2/, t2); gsub(/TITLE3/, t3); gsub(/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER/, sn); print}' ${SOURCEFILE} > ${PROJDIR}/frame-${FRAMENUM}.svg
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${CONV} frame-${FRAMENUM}.svg frame-${FRAMENUM}.webp
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((FRAMENUM++))
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done
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# Generate final frame, with full speakername + title
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echo "Generate completed title"
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cat ${SOURCEFILE} | sed -e "s/TITLE1/$TITLE1/" -e "s/TITLE2/$TITLE2/" -e "s/TITLE3/$TITLE3/" -e "s/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER/$SPEAKERNAME/" > ${PROJDIR}/frame-${FRAMENUM}.svg
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awk -v t1="$TITLE1" -v t2="$TITLE2" -v t3="$TITLE3" -v sn="$SPEAKERNAME" '{gsub(/TITLE1/, t1); gsub(/TITLE2/, t2); gsub(/TITLE3/, t3); gsub(/SPEAKERSPEAKERSPEAKERSPEAKERSPEAKER/, sn); print}' ${SOURCEFILE} > ${PROJDIR}/frame-${FRAMENUM}.svg
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${CONV} frame-${FRAMENUM}.svg frame-${FRAMENUM}.webp
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LASTFRAME=$FRAMENUM
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((FRAMENUM++))
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# Now copy the rendered output of the last frame a few more times so we can read it before the video ends
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for i in `seq 0 1 100`
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for i in $(seq 0 1 100)
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do
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echo "Duplicating frame ${FRAMENUM}"
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cp frame-${LASTFRAME}.webp frame-${FRAMENUM}.webp
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@ -96,7 +96,7 @@ done
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# Fade this image out over 100 frames back to the normal view
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echo "Generate fade-out-sequence"
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for i in `seq 0 3 100`
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for i in $(seq 0 3 100)
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do
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echo "Generate frame ${FRAMENUM}"
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${CONV} -colorize ${i}% frame-${LASTFRAME}.svg frame-${FRAMENUM}.webp
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@ -104,8 +104,5 @@ do
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done
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echo "Rendering to video"
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#ffmpeg -framerate 30 -i frame-%d.webp -c:v libx264 -r 30 ${VIDEODIR}/${PROJECT}-x264.mkv
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#ffmpeg -framerate 30 -i frame-%d.webp -c:v vp9 -r 30 ${VIDEODIR}/${PROJECT}-vp9.webm
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ffmpeg -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=44100 -framerate 30 -i frame-%d.webp -c:a aac -c:v libx264 -shortest -profile:v baseline -pix_fmt yuv420p -colorspace:v 'bt709' -color_primaries:v 'bt709' -color_trc:v 'bt709' -color_range:v 'tv' -r 30 ${VIDEODIR}/${PROJECT}-x264.mkv
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ffmpeg -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=44100 -framerate 25 -i frame-%d.webp -c:a aac -c:v libx264 -shortest -profile:v baseline -pix_fmt yuv420p -colorspace:v 'bt709' -color_primaries:v 'bt709' -color_trc:v 'bt709' -color_range:v 'tv' -r 30 ${VIDEODIR}/${PROJECT}-x264.mkv
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#rm *.svg frame-*.webp
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