Could webp_server_go convert unnormal jpeg files?
bhzhu203 opened this issue · comments
related to #208
aliyun CDN webp service can convert the corrupted jpg image to webp correctly.
http://cdn3.selleroa.com/yfni/test/1684547034231096980.jpg
identify -verbose 1684547034231096980.jpg
Image:
Filename: 1684547034231096980.jpg
Format: JPEG (Joint Photographic Experts Group JFIF format)
Mime type: image/jpeg
Class: DirectClass
Geometry: 397x511+0+0
Resolution: 72x72
Print size: 5.51389x7.09722
Units: PixelsPerInch
Colorspace: sRGB
Type: TrueColor
Base type: Undefined
Endianness: Undefined
Depth: 8-bit
Channel depth:
Red: 8-bit
Green: 8-bit
Blue: 8-bit
Channel statistics:
Pixels: 202867
Red:
min: 0 (0)
max: 255 (1)
mean: 81.1102 (0.318079)
median: 81 (0.317647)
standard deviation: 55.8142 (0.218879)
kurtosis: -0.181714
skewness: 0.603061
entropy: 0.947852
Green:
min: 0 (0)
max: 255 (1)
mean: 98.9581 (0.388071)
median: 130 (0.509804)
standard deviation: 62.4133 (0.244758)
kurtosis: -0.979109
skewness: 0.0567213
entropy: 0.9666
Blue:
min: 0 (0)
max: 255 (1)
mean: 52.4654 (0.205747)
median: 19 (0.0745098)
standard deviation: 59.1121 (0.231812)
kurtosis: 1.74558
skewness: 1.6434
entropy: 0.875
Image statistics:
Overall:
min: 0 (0)
max: 255 (1)
mean: 77.5112 (0.303966)
median: 76.6667 (0.300654)
standard deviation: 59.1132 (0.231817)
kurtosis: -0.563224
skewness: 0.656722
entropy: 0.929817
Rendering intent: Perceptual
Gamma: 0.454545
Chromaticity:
red primary: (0.64,0.33)
green primary: (0.3,0.6)
blue primary: (0.15,0.06)
white point: (0.3127,0.329)
Matte color: grey74
Background color: white
Border color: srgb(223,223,223)
Transparent color: none
Interlace: None
Intensity: Undefined
Compose: Over
Page geometry: 397x511+0+0
Dispose: Undefined
Iterations: 0
Compression: JPEG
Quality: 94
Orientation: TopLeft
Profiles:
Profile-exif: 1181 bytes
Properties:
date:create: 2023-05-20T06:24:35+00:00
date:modify: 2023-05-20T06:24:35+00:00
exif:ApertureValue: 169/100
exif:BrightnessValue: 972/100
exif:ColorSpace: 1
exif:Compression: 6
exif:DateTime: 2023:05:14 11:49:17
exif:DateTimeDigitized: 2023:05:14 11:49:17
exif:DateTimeOriginal: 2023:05:14 11:49:17
exif:DigitalZoomRatio: 10000/10000
exif:ExifOffset: 273
exif:ExifVersion: 0220
exif:ExposureBiasValue: 0/100
exif:ExposureMode: 0
exif:ExposureProgram: 2
exif:ExposureTime: 3/10000
exif:Flash: 0
exif:FNumber: 18000/10000
exif:FocalLength: 540/100
exif:FocalLengthIn35mmFilm: 26
exif:GPSAltitude: 530/1
exif:GPSAltitudeRef: 0
exif:GPSInfo: 782
exif:GPSLatitude: 49/1, 20/1, 4828199/1000000
exif:GPSLatitudeRef: N
exif:GPSLongitude: 12/1, 26/1, 30176519/1000000
exif:GPSLongitudeRef: E
exif:ImageLength: 2992
exif:ImageUniqueID: B12XSOA01PM
exif:ImageWidth: 2992
exif:JPEGInterchangeFormat: 984
exif:JPEGInterchangeFormatLength: 57628
exif:LightSource: 0
exif:Make: samsung
exif:MaxApertureValue: 169/100
exif:MeteringMode: 2
exif:Model: SM-G990B
exif:OffsetTime: +02:00
exif:OffsetTimeOriginal: +02:00
exif:PhotographicSensitivity: 40
exif:PixelXDimension: 2992
exif:PixelYDimension: 2992
exif:SceneCaptureType: 0
exif:ShutterSpeedValue: 1/3282
exif:Software: G990BXXU4EWC7
exif:SubSecTime: 087
exif:SubSecTimeDigitized: 087
exif:SubSecTimeOriginal: 087
exif:WhiteBalance: 0
exif:YCbCrPositioning: 1
jpeg:colorspace: 2
jpeg:sampling-factor: 2x2,1x1,1x1
signature: a6979b27f47501f08af40fe74c817a3ad8aadb262ba0187902fb42579dc2dad0
Artifacts:
verbose: true
Tainted: False
Filesize: 79134B
Number pixels: 202867
Pixels per second: 31.4134MP
User time: 0.000u
Elapsed time: 0:01.006
Version: ImageMagick 7.1.0-13 Q16-HDRI x86_64 2021-10-25 https://imagemagick.org
identify: Invalid SOS parameters for sequential JPEG `1684547034231096980.jpg' @ warning/jpeg.c/JPEGWarningHandler/402.
In ImageMagick , it just is a warinning not error.
#212 might be a fix for this, tried on http://cdn3.selleroa.com/yfni/test/1684547034231096980.jpg and it's working normally, please have a try.
Issue solved.
Nice, I'm going to close this issue and release version 0.8.2 for this.