windowscodecs: Use a smaller magic number to detect JPEG files.
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@ -720,7 +720,7 @@ static struct decoder_pattern const ico_patterns[] = {
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{0}
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};
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static const BYTE jpeg_magic[] = {0xff, 0xd8, 0xff, 0xe0};
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static const BYTE jpeg_magic[] = {0xff, 0xd8};
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static GUID const * const jpeg_formats[] = {
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&GUID_WICPixelFormat24bppBGR,
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@ -730,7 +730,7 @@ static GUID const * const jpeg_formats[] = {
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};
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static struct decoder_pattern const jpeg_patterns[] = {
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{4,0,jpeg_magic,mask_all,0},
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{2,0,jpeg_magic,mask_all,0},
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{0}
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};
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