ffplay -loop 0 DUFAY_TIFF/Dufay_%06d.tif

ffmpeg -i DUFAY_TIFF/Dufay_%06d.tif -f framemd5 md5_orig.txt

cat md5_orig.txt

ffmpeg -i DUFAY_TIFF/Dufay_%06d.tif -c:v ffv1 test.mkv

ffmpeg -i test.mkv -f framemd5 md5_test.txt

cat md5_test.txt

diff -s md5_orig.txt md5_test.txt

mkdir COPY

ffmpeg -i test.mkv COPY/copy_%06d.tif

ffmpeg -i COPY/copy_%06d.tif -f framemd5 md5_copy.txt

cat md5_copy.txt

diff -s md5_orig.txt md5_copy.txt

diff -s <(grep -v '^#' < md5_orig.txt) <(grep -v '^#' < md5_copy.txt)

diff -s <(grep -v '^#' < md5_orig.txt) <(grep -v '^#' < md5_test.txt)

ffprobe -loglevel quiet -show_streams DUFAY_TIFF/Dufay_000001.tif

ffprobe -loglevel quiet -show_streams COPY/copy_000001.tif

ffprobe -loglevel quiet -show_streams DUFAY_TIFF/Dufay_000001.tif | grep sample_aspect_ratio

ffprobe -loglevel quiet -show_streams COPY/copy_000001.tif | grep sample_aspect_ratio

ffprobe -loglevel quiet -show_streams DUFAY_TIFF/Dufay_000001.tif | grep sample_aspect_ratio; ffprobe -loglevel quiet -show_streams COPY/copy_000001.tif | grep sample_aspect_ratio

ffmpeg -f lavfi -i "smptehdbars=1920x1080" -f lavfi -i "anoisesrc=colour=brown" -c:v rawvideo -filter:v "hue=H=0.2*t, drawtext=timecode='00\:00\:00\:00':rate=25:fontfile='/Library/Fonts/Arial.ttf':fontsize=50:fontcolor=cyan:x=(w-text_w)/1.25:y=h/1.3+h*t/180" -c:a pcm_s24le -filter:a "tremolo=f=0.1:d=0.9" -ar 96k -t 30 hue_tremolo_tc.mkv