vpx/vp8/encoder/tokenize.h
Yaowu Xu 54cf1d9ad3 a number of fixes to entropy stats collection
1. block types
There are only three types of blocks for 8x8 transformed MBs, i.e. Y
block with DC does not exist for 8x8 transformed MBs as all MB using
8x8 transform have 2nd order haar transform. This commit introduced
a new macro BLOCK_TYPES_8X8 to reflect such fact.

2. context counters
This commit also fixed the mixed of context_counters between 4x4 and
8x8 transformed MBs. The mixed use of the counters leads me to think
the existing the context probabilities were not properly generated
from 8x8 transformed MBs.

3. redundant collecting in recoding
The commit also corrected the code that accumulates entropy stats by
making sure stats only collected for final packing, not during the
recode loop

Change-Id: I029f09f8f60bd0c3240cc392ff5c6d05435e322c
2012-05-08 14:13:22 -07:00

59 lines
1.7 KiB
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef tokenize_h
#define tokenize_h
#include "vp8/common/entropy.h"
#include "block.h"
void vp8_tokenize_initialize();
typedef struct
{
short Token;
short Extra;
} TOKENVALUE;
typedef struct
{
const vp8_prob *context_tree;
short Extra;
unsigned char Token;
unsigned char skip_eob_node;
} TOKENEXTRA;
int rd_cost_mby(MACROBLOCKD *);
extern int mby_is_skippable(MACROBLOCKD *x,int has_y2_block);
extern int mbuv_is_skippable(MACROBLOCKD *x);
extern int mb_is_skippable(MACROBLOCKD *x,int has_y2_block);
extern int mby_is_skippable_8x8(MACROBLOCKD *x);
extern int mbuv_is_skippable_8x8(MACROBLOCKD *x);
extern int mb_is_skippable_8x8(MACROBLOCKD *x);
#ifdef ENTROPY_STATS
void init_context_counters();
void print_context_counters();
extern INT64 context_counters[BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
extern INT64 context_counters_8x8[BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS];
#endif
extern const int *vp8_dct_value_cost_ptr;
/* TODO: The Token field should be broken out into a separate char array to
* improve cache locality, since it's needed for costing when the rest of the
* fields are not.
*/
extern const TOKENVALUE *vp8_dct_value_tokens_ptr;
#endif /* tokenize_h */