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update to libvpx b46243d from repo https://chromium.googlesource.com/webm/libvpx

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This commit is contained in:
Mike Jerris
2016-09-26 14:31:51 -04:00
parent 2b1f0da5c4
commit 8c5f0301f3
1008 changed files with 110177 additions and 201326 deletions
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50
libs/libvpx/vp8/common/treecoder.h
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@@ -8,7 +8,6 @@
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP8_COMMON_TREECODER_H_
#define VP8_COMMON_TREECODER_H_
@@ -18,10 +17,9 @@ extern "C" {
typedef unsigned char vp8bc_index_t; /* probability index */
typedef unsigned char vp8_prob;
#define vp8_prob_half ( (vp8_prob) 128)
#define vp8_prob_half ((vp8_prob)128)
typedef signed char vp8_tree_index;
struct bool_coder_spec;
@@ -34,10 +32,7 @@ typedef const bool_coder_spec c_bool_coder_spec;
typedef const bool_writer c_bool_writer;
typedef const bool_reader c_bool_reader;
# define vp8_complement( x) (255 - x)
#define vp8_complement(x) (255 - x)
/* We build coding trees compactly in arrays.
Each node of the tree is a pair of vp8_tree_indices.
@@ -48,11 +43,9 @@ typedef const bool_reader c_bool_reader;
typedef const vp8_tree_index vp8_tree[], *vp8_tree_p;
typedef const struct vp8_token_struct
{
int value;
int Len;
typedef const struct vp8_token_struct {
int value;
int Len;
} vp8_token;
/* Construct encoding array from tree. */
@@ -61,35 +54,26 @@ void vp8_tokens_from_tree(struct vp8_token_struct *, vp8_tree);
void vp8_tokens_from_tree_offset(struct vp8_token_struct *, vp8_tree,
int offset);
/* Convert array of token occurrence counts into a table of probabilities
for the associated binary encoding tree. Also writes count of branches
taken for each node on the tree; this facilitiates decisions as to
probability updates. */
void vp8_tree_probs_from_distribution(
int n, /* n = size of alphabet */
vp8_token tok [ /* n */ ],
vp8_tree tree,
vp8_prob probs [ /* n-1 */ ],
unsigned int branch_ct [ /* n-1 */ ] [2],
const unsigned int num_events[ /* n */ ],
unsigned int Pfactor,
int Round
);
void vp8_tree_probs_from_distribution(int n, /* n = size of alphabet */
vp8_token tok[/* n */], vp8_tree tree,
vp8_prob probs[/* n-1 */],
unsigned int branch_ct[/* n-1 */][2],
const unsigned int num_events[/* n */],
unsigned int Pfactor, int Round);
/* Variant of above using coder spec rather than hardwired 8-bit probs. */
void vp8bc_tree_probs_from_distribution(
int n, /* n = size of alphabet */
vp8_token tok [ /* n */ ],
vp8_tree tree,
vp8_prob probs [ /* n-1 */ ],
unsigned int branch_ct [ /* n-1 */ ] [2],
const unsigned int num_events[ /* n */ ],
c_bool_coder_spec *s
);
void vp8bc_tree_probs_from_distribution(int n, /* n = size of alphabet */
vp8_token tok[/* n */], vp8_tree tree,
vp8_prob probs[/* n-1 */],
unsigned int branch_ct[/* n-1 */][2],
const unsigned int num_events[/* n */],
c_bool_coder_spec *s);
#ifdef __cplusplus
} // extern "C"