create-vp9

#!/bin/bash

START_TIME=$SECONDS
YEAR=$(date +"%Y")
QUALITY=${Q:-28}
SIZING="-vf scale=1920:-1"
OPT="-y -v info -hide_banner"
MOVIE=$(stat -c"%y" tl000001.jpg|cut -d " " --output-delimiter=- -f1,2|cut -b1-10)-q$QUALITY.webm
echo -n create_movie $MOVIE ... 

if [ -z !$PID ]; then
	ffmpeg -y -v error -r 30 -f image2 -i tl%06d.jpg -vf "hqdn3d=1.5:1.5:6:6" -an -c:v libvpx-vp9 -crf $QUALITY -b:v 0 -r 30 $MOVIE
else
	# ffmpeg -y -v info -r 30 -f image2 -i tl%06d.jpg -vf "hqdn3d=1.5:1.5:6:6" -an -c:v libvpx-vp9 -crf $QUALITY -b:v 0 -r 30 $MOVIE
	ffmpeg $OPT -r 30 -f image2 -i tl%06d.jpg \
		   -c:v libvpx-vp9 -pass 1 -b:v 0 \
		   $SIZING \
		   -metadata title="Timelapse Grand River view, Kitchener, ON" \
		   -metadata author="Steffen Roller <steffen.roller@gmail.com>" \
		   -metadata year="$YEAR" \
		   -metadata copyright="Create Commons" \
		   -crf $QUALITY -threads 8 -speed 4 -tile-columns 6 -frame-parallel 1 -an -f webm /dev/null 
	ffmpeg $OPT -r 30 -f image2 -i tl%06d.jpg -c:v libvpx-vp9 -pass 2 -b:v 0 \
		   $SIZING \
		   -metadata title="Timelapse Grand River view, Kitchener, ON" \
		   -metadata author="Steffen Roller <steffen.roller@gmail.com>" \
		   -metadata year="$YEAR" \
		   -metadata copyright="Create Commons" \
		   -crf $QUALITY -threads 8 -speed 1 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -an -f webm $MOVIE
	rm ffmpeg2pass-0.log
fi
ELAPSED_TIME=$(($SECONDS - $START_TIME))
echo finished in $(($ELAPSED_TIME/60/60)) hr, $(($ELAPSED_TIME/60%60)) min and $(($ELAPSED_TIME % 60)) sec