test ffv1 version 1 and 3 against test files (available at http://media.xiph.org/video/derf/y4m/)

ffv1_tests.sh

#!/bin/bash
for test_file in bridge_far_cif.y4m bridge_close_cif.y4m foreman_cif.y4m bowing_cif.y4m akiyo_cif.y4m stefan_sif.y4m stefan_sif_mono.y4m foreman_qcif.y4m foreman_qcif_mono.y4m ; do
# make framemd5 file of random data
	ffmpeg -y -report -i "$test_file" -f framemd5 "${test_file}.md5" 2> /dev/null
	# encode random data to ffv1 version 1
	ffmpeg -y -report -i "$test_file" -c:v ffv1 "${test_file%.*}_ffv1_v1.mov" 2> /dev/null
	# encode random data to ffv1 version 3
	ffmpeg -y -report -i "$test_file" -c:v ffv1 -level 3 -strict experimental "${test_file%.*}_ffv1_v3.mov" 2> /dev/null
	# generate framemd5 from encoded ffv1
	ffmpeg -y -report -i "${test_file%.*}_ffv1_v1.mov" -f framemd5 "${test_file%.*}_ffv1_v1.md5" 2> /dev/null
	ffmpeg -y -report -i "${test_file%.*}_ffv1_v3.mov" -f framemd5 "${test_file%.*}_ffv1_v3.md5" 2> /dev/null
	if [ $(md5 -q "${test_file}.md5") == $(md5 -q "${test_file%.*}_ffv1_v1.md5") ] ; then
		echo "$test_file" to "${test_file%.*}_ffv1_v1.mov" is lossless
	else
		echo "$test_file" to "${test_file%.*}_ffv1_v1.mov" is lossy
	fi
	if [ $(md5 -q "${test_file}.md5") == $(md5 -q "${test_file%.*}_ffv1_v3.md5") ] ; then
		echo "$test_file" to "${test_file%.*}_ffv1_v3.mov" is lossless
	else
		echo "$test_file" to "${test_file%.*}_ffv1_v3.mov" is lossy
	fi
done