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Disable trellis in jpegtran

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Trellis quantization is not supposed to be enabled in the jpegtran
application as it does not perform transform and quantization.
Should fix #49
This commit is contained in:
Frank Bossen
2014-05-10 08:19:28 -04:00
parent 3f1e5d6842
commit 4b1094cc3a
1 changed files with 2 additions and 0 deletions
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2
jctrans.c
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@@ -89,6 +89,8 @@ jpeg_copy_critical_parameters (j_decompress_ptr srcinfo,
#endif #endif
/* Initialize all parameters to default values */ /* Initialize all parameters to default values */
jpeg_set_defaults(dstinfo); jpeg_set_defaults(dstinfo);
dstinfo->trellis_quant = FALSE;
/* jpeg_set_defaults may choose wrong colorspace, eg YCbCr if input is RGB. /* jpeg_set_defaults may choose wrong colorspace, eg YCbCr if input is RGB.
* Fix it to get the right header markers for the image colorspace. * Fix it to get the right header markers for the image colorspace.
*/ */