Instantly share code, notes, and snippets.

Embed
What would you like to do?
Script for multiple bitrate encoding with text on each bitrate for testing
#!/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 \
@sinkers

This comment has been minimized.

Show comment
Hide comment
Owner

sinkers commented Jul 11, 2014

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment