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Improve readability and flexibility of compatibility macros

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@241 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2010-10-09 19:57:51 +00:00
parent 10acd811d0
commit 49967cdb30
9 changed files with 51 additions and 58 deletions
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10
jdsample.c
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@@ -422,7 +422,7 @@ jinit_upsampler (j_decompress_ptr cinfo)
/* jdmainct.c doesn't support context rows when min_DCT_scaled_size = 1,
* so don't ask for it.
*/
do_fancy = cinfo->do_fancy_upsampling && _min_DCT_scaled_size > 1;
do_fancy = cinfo->do_fancy_upsampling && cinfo->_min_DCT_scaled_size > 1;
/* Verify we can handle the sampling factors, select per-component methods,
* and create storage as needed.
@@ -432,10 +432,10 @@ jinit_upsampler (j_decompress_ptr cinfo)
/* Compute size of an "input group" after IDCT scaling. This many samples
* are to be converted to max_h_samp_factor * max_v_samp_factor pixels.
*/
h_in_group = (compptr->h_samp_factor * _DCT_scaled_size) /
_min_DCT_scaled_size;
v_in_group = (compptr->v_samp_factor * _DCT_scaled_size) /
_min_DCT_scaled_size;
h_in_group = (compptr->h_samp_factor * compptr->_DCT_scaled_size) /
cinfo->_min_DCT_scaled_size;
v_in_group = (compptr->v_samp_factor * compptr->_DCT_scaled_size) /
cinfo->_min_DCT_scaled_size;
h_out_group = cinfo->max_h_samp_factor;
v_out_group = cinfo->max_v_samp_factor;
upsample->rowgroup_height[ci] = v_in_group; /* save for use later */