Created
July 11, 2014 04:12
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Script for multiple bitrate encoding with text on each bitrate for testing
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#!/bin/sh | |
# encode_bitrate_overlay.sh | |
# | |
# | |
# Created by Andrew Sinclair on 11/07/2014. | |
# | |
#!/bin/bash | |
VIDSOURCE=$1 | |
OUTNAME=$2 | |
RESOLUTION1="320x180" | |
RESOLUTION2="512x288" | |
RESOLUTION3="640x360" | |
RESOLUTION4="960x540" | |
RESOLUTION5="1024x576" | |
RESOLUTION6="1280x720" | |
RESOLUTION7="1920x1080" | |
BITRATE1="400000" | |
BITRATE2="800000" | |
BITRATE3="1000000" | |
BITRATE4="1200000" | |
BITRATE5="1400000" | |
BITRATE6="2000000" | |
BITRATE7="4000000" | |
# Set this to a font file on your system | |
FONTFILE="/opt/X11/share/fonts/TTF/Vera.ttf" | |
FONTSIZE="40" | |
FONTCOLOR="black" | |
echo "Encoding $VIDSOURCE" | |
AUDIO_OPTS="-c:a libfdk_aac -b:a 160000 -ac 2" | |
AUDIO_OPTS2="-c:a libfdk_aac -b:a 640000 -ac 2" | |
# Change the preset for better quality e.g. to slow or medium, ultrafast is just for testing the output quickly | |
# TODO add options for keyframe intervals for best adaptive segmentation | |
VIDEO_OPTS1="-c:v libx264 -vprofile main -preset ultrafast" | |
VIDEO_OPTS2="-c:v libx264 -vprofile main -preset ultrafast" | |
VIDEO_OPTS3="-c:v libx264 -vprofile main -preset ultrafast" | |
OUTPUT_HLS="-f mp4" | |
~/Desktop/workspace/ffmpeg-mac/FFmpeg/ffmpeg -i $VIDSOURCE -y \ | |
$AUDIO_OPTS -vf "drawtext=fontfile='${FONTFILE}':text='$RESOLUTION1 ${BITRATE1}bps':fontsize=${FONTSIZE}:fontcolor=${FONTCOLOR}:x=100:y=100:box=1" -s $RESOLUTION1 $VIDEO_OPTS1 -b:v $BITRATE1 $OUTPUT_HLS ${OUTNAME}_${BITRATE1}.mp4 \ | |
$AUDIO_OPTS -vf "drawtext=fontfile='${FONTFILE}':text='$RESOLUTION2 ${BITRATE2}bps':fontsize=${FONTSIZE}:fontcolor=${FONTCOLOR}:x=100:y=100:box=1" -s $RESOLUTION2 $VIDEO_OPTS2 -b:v $BITRATE2 $OUTPUT_HLS ${OUTNAME}_${BITRATE2}.mp4 \ | |
$AUDIO_OPTS2 -vf "drawtext=fontfile='${FONTFILE}':text='$RESOLUTION3 ${BITRATE3}bps':fontsize=${FONTSIZE}:fontcolor=${FONTCOLOR}:x=100:y=100:box=1" -s $RESOLUTION3 $VIDEO_OPTS3 -b:v $BITRATE3 $OUTPUT_HLS ${OUTNAME}_${BITRATE3}.mp4 \ | |
$AUDIO_OPTS2 -vf "drawtext=fontfile='${FONTFILE}':text='$RESOLUTION4 ${BITRATE4}bps':fontsize=${FONTSIZE}:fontcolor=${FONTCOLOR}:x=100:y=100:box=1" -s $RESOLUTION4 $VIDEO_OPTS3 -b:v $BITRATE4 $OUTPUT_HLS ${OUTNAME}_${BITRATE4}.mp4 \ | |
$AUDIO_OPTS2 -vf "drawtext=fontfile='${FONTFILE}':text='$RESOLUTION5 ${BITRATE5}bps':fontsize=${FONTSIZE}:fontcolor=${FONTCOLOR}:x=100:y=100:box=1" -s $RESOLUTION5 $VIDEO_OPTS3 -b:v $BITRATE5 $OUTPUT_HLS ${OUTNAME}_${BITRATE5}.mp4 \ | |
$AUDIO_OPTS2 -vf "drawtext=fontfile='${FONTFILE}':text='$RESOLUTION6 ${BITRATE6}bps':fontsize=${FONTSIZE}:fontcolor=${FONTCOLOR}:x=100:y=100:box=1" -s $RESOLUTION6 $VIDEO_OPTS3 -b:v $BITRATE6 $OUTPUT_HLS ${OUTNAME}_${BITRATE6}.mp4 \ | |
$AUDIO_OPTS2 -vf "drawtext=fontfile='${FONTFILE}':text='$RESOLUTION7 ${BITRATE7}bps':fontsize=${FONTSIZE}:fontcolor=${FONTCOLOR}:x=100:y=100:box=1" -s $RESOLUTION7 $VIDEO_OPTS3 -b:v $BITRATE7 $OUTPUT_HLS ${OUTNAME}_${BITRATE7}.mp4 \ | |
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Link back to my post on this: http://sinclairmediatech.com/overlyaing-bitrate-on-adaptive-bitrate-streams-for-testing/