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Diffstat (limited to 'test/jpeg-roundtrip.test')
| -rwxr-xr-x | test/jpeg-roundtrip.test | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/jpeg-roundtrip.test b/test/jpeg-roundtrip.test new file mode 100755 index 00000000..7cc0fc20 --- /dev/null +++ b/test/jpeg-roundtrip.test @@ -0,0 +1,19 @@ +#! /bin/bash +# This script tests: pnmtojpeg jpegtopnm +# Also requires: pnmpsnr + +# TODO: threshold has been determined without much thought. +# Observed pnmpsnr output: 56.20 58.26 49.38 +# On another system: 54.73 49.41 44.52 +# A small margin has been added to the above numbers. + +# Should print "match" three times + +pnmtojpeg testimg.ppm | jpegtopnm | \ + pnmpsnr -target1=54 -target2=49 -target3=44 - testimg.ppm + +pnmtojpeg testimg.ppm -opt | jpegtopnm | \ + pnmpsnr -target1=54 -target2=49 -target3=44 - testimg.ppm + +pnmtojpeg testimg.ppm -progressive | jpegtopnm | \ + pnmpsnr -target1=54 -target2=49 -target3=44 - testimg.ppm |