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Better JPEG validation.

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This commit is contained in:
treeform 2022-05-07 12:19:15 -07:00
parent 1825ab6cd7
commit ecd59d214a
5 changed files with 63 additions and 2 deletions
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1
.gitignore vendored
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@ -15,3 +15,4 @@ bindings/generated
*.dSYM
dump.txt
tests/fileformats/jpeg/generated
tests/fileformats/jpeg/diff

1
tests/benchmark_jpeg.nim
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@ -24,6 +24,7 @@ var files = @[
"tests/fileformats/jpeg/master/cat_4_2_2.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0.jpg",
"tests/fileformats/jpeg/master/cat_4_1_1.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0_progressive.jpg",
"tests/fileformats/jpeg/master/cat_4_4_4_progressive.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5_progressive.jpg",

1
tests/fuzz_jpeg.nim
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@ -26,6 +26,7 @@ var files = @[
"tests/fileformats/jpeg/master/cat_4_2_2.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0.jpg",
"tests/fileformats/jpeg/master/cat_4_1_1.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0_progressive.jpg",
"tests/fileformats/jpeg/master/cat_4_4_4_progressive.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5_progressive.jpg",

1
tests/test_jpeg.nim
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@ -26,6 +26,7 @@ var files = @[
"tests/fileformats/jpeg/master/cat_4_2_2.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0.jpg",
"tests/fileformats/jpeg/master/cat_4_1_1.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0_progressive.jpg",
"tests/fileformats/jpeg/master/cat_4_4_4_progressive.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5_progressive.jpg",

61
tests/validate_jpeg.nim
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@ -1,3 +1,60 @@
import pixie/fileformats/jpg, pixie/fileformats/stb_image/stb_image
import pixie, strutils, os, strformat
let original = readFile("tests/fileformats/jpeg/jpeg420exif.jpg")
import pixie/fileformats/jpg
var files = @[
"tests/fileformats/jpeg/master/red.jpg",
"tests/fileformats/jpeg/master/green.jpg",
"tests/fileformats/jpeg/master/blue.jpg",
"tests/fileformats/jpeg/master/white.jpg",
"tests/fileformats/jpeg/master/black.jpg",
"tests/fileformats/jpeg/master/8x8.jpg",
"tests/fileformats/jpeg/master/8x8_progressive.jpg",
"tests/fileformats/jpeg/master/16x16.jpg",
"tests/fileformats/jpeg/master/16x16_progressive.jpg",
"tests/fileformats/jpeg/master/quality_01.jpg",
"tests/fileformats/jpeg/master/quality_10.jpg",
"tests/fileformats/jpeg/master/quality_25.jpg",
"tests/fileformats/jpeg/master/quality_50.jpg",
"tests/fileformats/jpeg/master/quality_100.jpg",
"tests/fileformats/jpeg/master/cat_4_4_4.jpg",
"tests/fileformats/jpeg/master/cat_4_4_4.jpg",
"tests/fileformats/jpeg/master/cat_4_2_2.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0.jpg",
"tests/fileformats/jpeg/master/cat_4_1_1.jpg",
"tests/fileformats/jpeg/master/cat_4_2_0_progressive.jpg",
"tests/fileformats/jpeg/master/cat_4_4_4_progressive.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5.jpg",
"tests/fileformats/jpeg/master/cat_restart_markers_5_progressive.jpg",
"tests/fileformats/jpeg/master/mandrill.jpg",
"tests/fileformats/jpeg/master/exif_overrun.jpg",
"tests/fileformats/jpeg/master/grayscale_test.jpg",
"tests/fileformats/jpeg/master/progressive.jpg",
"tests/fileformats/jpeg/master/testimg.jpg",
"tests/fileformats/jpeg/master/testimgp.jpg",
"tests/fileformats/jpeg/master/testorig.jpg",
"tests/fileformats/jpeg/master/testprog.jpg",
]
for file in files:
var img = decodeJpg(readFile(file))
let genFile = file.replace("master", "generated").replace(".jpg", ".png")
let diffFile = file.replace("master", "diff").replace(".jpg", ".png")
if execShellCmd(&"convert {file} {genFile}") != 0:
echo "fail"
var img2 = readImage(genFile)
let (score, diff) = img2.diff(img)
diff.writeFile(diffFile)
if score > 1:
echo "!!!!!!!!!!!!!! FAIL !!!!!!!!!!!!!"
echo &"{score:2.3f}% ... {file}"