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I'm not sure why, but this was necessary in order to return the 32-bit performance to the 0.0.90 baseline

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@165 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2010-03-20 22:38:53 +00:00
parent 1e6b5b4884
commit 97f8ec4b60
1 changed files with 6 additions and 2 deletions
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8
jdhuff.c
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@@ -765,21 +765,25 @@ METHODDEF(boolean)
decode_mcu (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) decode_mcu (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
{ {
huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy;
int usefast = 1;
/* Process restart marker if needed; may have to suspend */ /* Process restart marker if needed; may have to suspend */
if (cinfo->restart_interval) { if (cinfo->restart_interval) {
if (entropy->restarts_to_go == 0) if (entropy->restarts_to_go == 0)
if (! process_restart(cinfo)) if (! process_restart(cinfo))
return FALSE; return FALSE;
usefast = 0;
} }
if (cinfo->src->bytes_in_buffer < BUFSIZE * cinfo->blocks_in_MCU)
usefast = 0;
/* If we've run out of data, just leave the MCU set to zeroes. /* If we've run out of data, just leave the MCU set to zeroes.
* This way, we return uniform gray for the remainder of the segment. * This way, we return uniform gray for the remainder of the segment.
*/ */
if (! entropy->pub.insufficient_data) { if (! entropy->pub.insufficient_data) {
if (cinfo->src->bytes_in_buffer >= BUFSIZE * cinfo->blocks_in_MCU if (usefast) {
&& !cinfo->restart_interval) {
if (!decode_mcu_fast(cinfo, MCU_data)) return FALSE; if (!decode_mcu_fast(cinfo, MCU_data)) return FALSE;
} }
else { else {