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Unified Diff: source/libvpx/vp8/encoder/boolhuff.c

Issue 7671004: Update libvpx snapshot to v0.9.7-p1 (Cayuga). (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: '' Created 9 years, 4 months ago
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Index: source/libvpx/vp8/encoder/boolhuff.c
===================================================================
--- source/libvpx/vp8/encoder/boolhuff.c (revision 96967)
+++ source/libvpx/vp8/encoder/boolhuff.c (working copy)
@@ -10,10 +10,7 @@
#include "boolhuff.h"
-#include "vp8/common/blockd.h"
-
-
#if defined(SECTIONBITS_OUTPUT)
unsigned __int64 Sectionbits[500];
@@ -62,82 +59,7 @@
vp8_encode_bool(br, 0, 128);
}
-DECLARE_ALIGNED(16, static const unsigned int, norm[256]) =
-{
- 0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-void vp8_encode_bool(BOOL_CODER *br, int bit, int probability)
-{
- unsigned int split;
- int count = br->count;
- unsigned int range = br->range;
- unsigned int lowvalue = br->lowvalue;
- register unsigned int shift;
-
-#ifdef ENTROPY_STATS
-#if defined(SECTIONBITS_OUTPUT)
-
- if (bit)
- Sectionbits[active_section] += vp8_prob_cost[255-probability];
- else
- Sectionbits[active_section] += vp8_prob_cost[probability];
-
-#endif
-#endif
-
- split = 1 + (((range - 1) * probability) >> 8);
-
- range = split;
-
- if (bit)
- {
- lowvalue += split;
- range = br->range - split;
- }
-
- shift = norm[range];
-
- range <<= shift;
- count += shift;
-
- if (count >= 0)
- {
- int offset = shift - count;
-
- if ((lowvalue << (offset - 1)) & 0x80000000)
- {
- int x = br->pos - 1;
-
- while (x >= 0 && br->buffer[x] == 0xff)
- {
- br->buffer[x] = (unsigned char)0;
- x--;
- }
-
- br->buffer[x] += 1;
- }
-
- br->buffer[br->pos++] = (lowvalue >> (24 - offset));
- lowvalue <<= offset;
- shift = count;
- lowvalue &= 0xffffff;
- count -= 8 ;
- }
-
- lowvalue <<= shift;
- br->count = count;
- br->lowvalue = lowvalue;
- br->range = range;
-}
-
void vp8_encode_value(BOOL_CODER *br, int data, int bits)
{
int bit;
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