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vpx/vp8/encoder/onyx_int.h
Yaowu Xu 8b2f57d0b8 a new way of determining reference motion vector 
Using surrounding reconstructed pixels from left and above to select
best matching mv to use as reference motion vector for mv encoding.

Test results:
       AVGPSNR  GLBPSNR VPXSSIM
Derf:  1.107%   1.062%  0.992%
Std-hd:1.209%   1.176%  1.029%

Change-Id: I8f10e09ee6538c05df2fb9f069abcaf1edb3fca6
2012-08-07 11:25:57 -07:00

785 lines
20 KiB
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/*
* 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 __INC_VP8_INT_H
#define __INC_VP8_INT_H
#include <stdio.h>
#include "vpx_ports/config.h"
#include "vp8/common/onyx.h"
#include "treewriter.h"
#include "tokenize.h"
#include "vp8/common/onyxc_int.h"
#include "variance.h"
#include "dct.h"
#include "encodemb.h"
#include "quantize.h"
#include "vp8/common/entropy.h"
#include "vp8/common/entropymode.h"
#include "vpx_ports/mem.h"
#include "vpx/internal/vpx_codec_internal.h"
#include "mcomp.h"
#include "temporal_filter.h"
#include "vp8/common/findnearmv.h"
#include "lookahead.h"
// #define SPEEDSTATS 1
#define MIN_GF_INTERVAL 4
#define DEFAULT_GF_INTERVAL 7
#define KEY_FRAME_CONTEXT 5
#define MAX_LAG_BUFFERS 25
#define AF_THRESH 25
#define AF_THRESH2 100
#define ARF_DECAY_THRESH 12
#if CONFIG_PRED_FILTER
#define MAX_MODES 54
#else // CONFIG_PRED_FILTER
#define MAX_MODES 42
#endif // CONFIG_PRED_FILTER
#define MIN_THRESHMULT 32
#define MAX_THRESHMULT 512
#define GF_ZEROMV_ZBIN_BOOST 12
#define LF_ZEROMV_ZBIN_BOOST 6
#define MV_ZBIN_BOOST 4
#define ZBIN_OQ_MAX 192
#define VP8_TEMPORAL_ALT_REF 1
typedef struct {
MV_CONTEXT mvc[2];
int mvcosts[2][MVvals + 1];
MV_CONTEXT_HP mvc_hp[2];
int mvcosts_hp[2][MVvals_hp + 1];
#ifdef MODE_STATS
// Stats
int y_modes[VP8_YMODES];
int uv_modes[VP8_UV_MODES];
int i8x8_modes[VP8_I8X8_MODES];
int b_modes[B_MODE_COUNT];
int inter_y_modes[MB_MODE_COUNT];
int inter_uv_modes[VP8_UV_MODES];
int inter_b_modes[B_MODE_COUNT];
#endif
vp8_prob segment_pred_probs[PREDICTION_PROBS];
unsigned char ref_pred_probs_update[PREDICTION_PROBS];
vp8_prob ref_pred_probs[PREDICTION_PROBS];
vp8_prob prob_comppred[COMP_PRED_CONTEXTS];
unsigned char *last_frame_seg_map_copy;
// 0 = Intra, Last, GF, ARF
signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];
// 0 = BPRED, ZERO_MV, MV, SPLIT
signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];
vp8_prob coef_probs[BLOCK_TYPES]
[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES];
vp8_prob coef_probs_8x8[BLOCK_TYPES_8X8]
[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES];
#if CONFIG_TX16X16
vp8_prob coef_probs_16x16[BLOCK_TYPES_16X16]
[COEF_BANDS][PREV_COEF_CONTEXTS][ENTROPY_NODES];
#endif
vp8_prob ymode_prob [VP8_YMODES - 1]; /* interframe intra mode probs */
vp8_prob uv_mode_prob [VP8_YMODES][VP8_UV_MODES - 1];
vp8_prob bmode_prob [VP8_BINTRAMODES - 1];
vp8_prob i8x8_mode_prob [VP8_I8X8_MODES - 1];
vp8_prob sub_mv_ref_prob [SUBMVREF_COUNT][VP8_SUBMVREFS - 1];
vp8_prob mbsplit_prob [VP8_NUMMBSPLITS - 1];
#if CONFIG_SWITCHABLE_INTERP
vp8_prob switchable_interp_prob[VP8_SWITCHABLE_FILTERS + 1]
[VP8_SWITCHABLE_FILTERS - 1];
#endif
int mv_ref_ct[6][4][2];
int mode_context[6][4];
int mv_ref_ct_a[6][4][2];
int mode_context_a[6][4];
} CODING_CONTEXT;
typedef struct {
double frame;
double intra_error;
double coded_error;
double sr_coded_error;
double ssim_weighted_pred_err;
double pcnt_inter;
double pcnt_motion;
double pcnt_second_ref;
double pcnt_neutral;
double MVr;
double mvr_abs;
double MVc;
double mvc_abs;
double MVrv;
double MVcv;
double mv_in_out_count;
double new_mv_count;
double duration;
double count;
}
FIRSTPASS_STATS;
typedef struct {
int frames_so_far;
double frame_intra_error;
double frame_coded_error;
double frame_pcnt_inter;
double frame_pcnt_motion;
double frame_mvr;
double frame_mvr_abs;
double frame_mvc;
double frame_mvc_abs;
} ONEPASS_FRAMESTATS;
typedef struct {
struct {
int err;
union {
int_mv mv;
MB_PREDICTION_MODE mode;
} m;
} ref[MAX_REF_FRAMES];
} MBGRAPH_MB_STATS;
typedef struct {
MBGRAPH_MB_STATS *mb_stats;
} MBGRAPH_FRAME_STATS;
#if CONFIG_PRED_FILTER
typedef enum {
THR_ZEROMV,
THR_ZEROMV_FILT,
THR_DC,
THR_NEARESTMV,
THR_NEARESTMV_FILT,
THR_NEARMV,
THR_NEARMV_FILT,
THR_ZEROG,
THR_ZEROG_FILT,
THR_NEARESTG,
THR_NEARESTG_FILT,
THR_ZEROA,
THR_ZEROA_FILT,
THR_NEARESTA,
THR_NEARESTA_FILT,
THR_NEARG,
THR_NEARG_FILT,
THR_NEARA,
THR_NEARA_FILT,
THR_V_PRED,
THR_H_PRED,
THR_D45_PRED,
THR_D135_PRED,
THR_D117_PRED,
THR_D153_PRED,
THR_D27_PRED,
THR_D63_PRED,
THR_TM,
THR_NEWMV,
THR_NEWMV_FILT,
THR_NEWG,
THR_NEWG_FILT,
THR_NEWA,
THR_NEWA_FILT,
THR_SPLITMV,
THR_SPLITG,
THR_SPLITA,
THR_B_PRED,
THR_I8X8_PRED,
THR_COMP_ZEROLG,
THR_COMP_NEARESTLG,
THR_COMP_NEARLG,
THR_COMP_ZEROLA,
THR_COMP_NEARESTLA,
THR_COMP_NEARLA,
THR_COMP_ZEROGA,
THR_COMP_NEARESTGA,
THR_COMP_NEARGA,
THR_COMP_NEWLG,
THR_COMP_NEWLA,
THR_COMP_NEWGA,
THR_COMP_SPLITLG,
THR_COMP_SPLITLA,
THR_COMP_SPLITGA,
}
THR_MODES;
#else
typedef enum {
THR_ZEROMV,
THR_DC,
THR_NEARESTMV,
THR_NEARMV,
THR_ZEROG,
THR_NEARESTG,
THR_ZEROA,
THR_NEARESTA,
THR_NEARG,
THR_NEARA,
THR_V_PRED,
THR_H_PRED,
THR_D45_PRED,
THR_D135_PRED,
THR_D117_PRED,
THR_D153_PRED,
THR_D27_PRED,
THR_D63_PRED,
THR_TM,
THR_NEWMV,
THR_NEWG,
THR_NEWA,
THR_SPLITMV,
THR_SPLITG,
THR_SPLITA,
THR_B_PRED,
THR_I8X8_PRED,
THR_COMP_ZEROLG,
THR_COMP_NEARESTLG,
THR_COMP_NEARLG,
THR_COMP_ZEROLA,
THR_COMP_NEARESTLA,
THR_COMP_NEARLA,
THR_COMP_ZEROGA,
THR_COMP_NEARESTGA,
THR_COMP_NEARGA,
THR_COMP_NEWLG,
THR_COMP_NEWLA,
THR_COMP_NEWGA,
THR_COMP_SPLITLG,
THR_COMP_SPLITLA,
THR_COMP_SPLITGA
}
THR_MODES;
#endif
typedef enum {
DIAMOND = 0,
NSTEP = 1,
HEX = 2
} SEARCH_METHODS;
typedef struct {
int RD;
SEARCH_METHODS search_method;
int improved_dct;
int auto_filter;
int recode_loop;
int iterative_sub_pixel;
int half_pixel_search;
int quarter_pixel_search;
int thresh_mult[MAX_MODES];
int max_step_search_steps;
int first_step;
int optimize_coefficients;
int no_skip_block4x4_search;
int improved_mv_pred;
int search_best_filter;
} SPEED_FEATURES;
typedef struct {
MACROBLOCK mb;
int totalrate;
} MB_ROW_COMP;
typedef struct {
TOKENEXTRA *start;
TOKENEXTRA *stop;
} TOKENLIST;
typedef struct {
int ithread;
void *ptr1;
void *ptr2;
} ENCODETHREAD_DATA;
typedef struct {
int ithread;
void *ptr1;
} LPFTHREAD_DATA;
typedef struct VP8_ENCODER_RTCD {
VP8_COMMON_RTCD *common;
vp8_variance_rtcd_vtable_t variance;
vp8_fdct_rtcd_vtable_t fdct;
vp8_encodemb_rtcd_vtable_t encodemb;
vp8_search_rtcd_vtable_t search;
vp8_temporal_rtcd_vtable_t temporal;
} VP8_ENCODER_RTCD;
enum {
BLOCK_16X8,
BLOCK_8X16,
BLOCK_8X8,
BLOCK_4X4,
BLOCK_16X16,
BLOCK_MAX_SEGMENTS
};
typedef struct VP8_COMP {
DECLARE_ALIGNED(16, short, Y1quant[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, unsigned char, Y1quant_shift[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, Y1zbin[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, Y1round[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, Y2quant[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, unsigned char, Y2quant_shift[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, Y2zbin[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, Y2round[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, UVquant[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, unsigned char, UVquant_shift[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, UVzbin[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, UVround[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, zrun_zbin_boost_y1[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, zrun_zbin_boost_y2[QINDEX_RANGE][16]);
DECLARE_ALIGNED(16, short, zrun_zbin_boost_uv[QINDEX_RANGE][16]);
DECLARE_ALIGNED(64, short, Y1zbin_8x8[QINDEX_RANGE][64]);
DECLARE_ALIGNED(64, short, Y2zbin_8x8[QINDEX_RANGE][64]);
DECLARE_ALIGNED(64, short, UVzbin_8x8[QINDEX_RANGE][64]);
DECLARE_ALIGNED(64, short, zrun_zbin_boost_y1_8x8[QINDEX_RANGE][64]);
DECLARE_ALIGNED(64, short, zrun_zbin_boost_y2_8x8[QINDEX_RANGE][64]);
DECLARE_ALIGNED(64, short, zrun_zbin_boost_uv_8x8[QINDEX_RANGE][64]);
#if CONFIG_TX16X16
DECLARE_ALIGNED(16, short, Y1zbin_16x16[QINDEX_RANGE][256]);
DECLARE_ALIGNED(16, short, Y2zbin_16x16[QINDEX_RANGE][256]);
DECLARE_ALIGNED(16, short, UVzbin_16x16[QINDEX_RANGE][256]);
DECLARE_ALIGNED(16, short, zrun_zbin_boost_y1_16x16[QINDEX_RANGE][256]);
DECLARE_ALIGNED(16, short, zrun_zbin_boost_y2_16x16[QINDEX_RANGE][256]);
DECLARE_ALIGNED(16, short, zrun_zbin_boost_uv_16x16[QINDEX_RANGE][256]);
#endif
MACROBLOCK mb;
VP8_COMMON common;
vp8_writer bc, bc2;
// bool_writer *bc2;
VP8_CONFIG oxcf;
struct lookahead_ctx *lookahead;
struct lookahead_entry *source;
struct lookahead_entry *alt_ref_source;
YV12_BUFFER_CONFIG *Source;
YV12_BUFFER_CONFIG *un_scaled_source;
YV12_BUFFER_CONFIG scaled_source;
int source_alt_ref_pending; // frame in src_buffers has been identified to be encoded as an alt ref
int source_alt_ref_active; // an alt ref frame has been encoded and is usable
int is_src_frame_alt_ref; // source of frame to encode is an exact copy of an alt ref frame
int gold_is_last; // golden frame same as last frame ( short circuit gold searches)
int alt_is_last; // Alt reference frame same as last ( short circuit altref search)
int gold_is_alt; // don't do both alt and gold search ( just do gold).
// int refresh_alt_ref_frame;
YV12_BUFFER_CONFIG last_frame_uf;
TOKENEXTRA *tok;
unsigned int tok_count;
unsigned int frames_since_key;
unsigned int key_frame_frequency;
unsigned int this_key_frame_forced;
unsigned int next_key_frame_forced;
// Ambient reconstruction err target for force key frames
int ambient_err;
unsigned int mode_check_freq[MAX_MODES];
unsigned int mode_test_hit_counts[MAX_MODES];
unsigned int mode_chosen_counts[MAX_MODES];
int rd_thresh_mult[MAX_MODES];
int rd_baseline_thresh[MAX_MODES];
int rd_threshes[MAX_MODES];
int64_t rd_single_diff, rd_comp_diff, rd_hybrid_diff;
int rd_prediction_type_threshes[4][NB_PREDICTION_TYPES];
int comp_pred_count[COMP_PRED_CONTEXTS];
int single_pred_count[COMP_PRED_CONTEXTS];
int RDMULT;
int RDDIV;
CODING_CONTEXT coding_context;
// Rate targetting variables
int64_t prediction_error;
int64_t last_prediction_error;
int64_t intra_error;
int64_t last_intra_error;
int this_frame_target;
int projected_frame_size;
int last_q[2]; // Separate values for Intra/Inter
int last_boosted_qindex; // Last boosted GF/KF/ARF q
double rate_correction_factor;
double key_frame_rate_correction_factor;
double gf_rate_correction_factor;
int frames_till_gf_update_due; // Count down till next GF
int current_gf_interval; // GF interval chosen when we coded the last GF
int gf_overspend_bits; // Total bits overspent becasue of GF boost (cumulative)
int non_gf_bitrate_adjustment; // Used in the few frames following a GF to recover the extra bits spent in that GF
int kf_overspend_bits; // Extra bits spent on key frames that need to be recovered on inter frames
int kf_bitrate_adjustment; // Current number of bit s to try and recover on each inter frame.
int max_gf_interval;
int baseline_gf_interval;
int active_arnr_frames; // <= cpi->oxcf.arnr_max_frames
int64_t key_frame_count;
int prior_key_frame_distance[KEY_FRAME_CONTEXT];
int per_frame_bandwidth; // Current section per frame bandwidth target
int av_per_frame_bandwidth; // Average frame size target for clip
int min_frame_bandwidth; // Minimum allocation that should be used for any frame
int inter_frame_target;
double output_frame_rate;
int64_t last_time_stamp_seen;
int64_t last_end_time_stamp_seen;
int64_t first_time_stamp_ever;
int ni_av_qi;
int ni_tot_qi;
int ni_frames;
int avg_frame_qindex;
double tot_q;
double avg_q;
int zbin_over_quant;
int zbin_mode_boost;
int zbin_mode_boost_enabled;
int64_t total_byte_count;
int buffered_mode;
int buffer_level;
int bits_off_target;
int rolling_target_bits;
int rolling_actual_bits;
int long_rolling_target_bits;
int long_rolling_actual_bits;
int64_t total_actual_bits;
int total_target_vs_actual; // debug stats
int worst_quality;
int active_worst_quality;
int best_quality;
int active_best_quality;
int cq_target_quality;
int ymode_count [VP8_YMODES]; /* intra MB type cts this frame */
int bmode_count [VP8_BINTRAMODES];
int i8x8_mode_count [VP8_I8X8_MODES];
int sub_mv_ref_count [SUBMVREF_COUNT][VP8_SUBMVREFS];
int mbsplit_count [VP8_NUMMBSPLITS];
// int uv_mode_count[VP8_UV_MODES]; /* intra MB type cts this frame */
int y_uv_mode_count[VP8_YMODES][VP8_UV_MODES];
unsigned int MVcount [2] [MVvals]; /* (row,col) MV cts this frame */
unsigned int MVcount_hp [2] [MVvals_hp]; /* (row,col) MV cts this frame */
unsigned int coef_counts [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]; /* for this frame */
// DECLARE_ALIGNED(16, int, coef_counts_backup [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]); //not used any more
// save vp8_tree_probs_from_distribution result for each frame to avoid repeat calculation
vp8_prob frame_coef_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
unsigned int frame_branch_ct [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2];
unsigned int coef_counts_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]; /* for this frame */
vp8_prob frame_coef_probs_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
unsigned int frame_branch_ct_8x8 [BLOCK_TYPES_8X8] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2];
#if CONFIG_TX16X16
unsigned int coef_counts_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS]; /* for this frame */
vp8_prob frame_coef_probs_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES];
unsigned int frame_branch_ct_16x16 [BLOCK_TYPES_16X16] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES][2];
#endif
int gfu_boost;
int last_boost;
int kf_boost;
int kf_zeromotion_pct;
int target_bandwidth;
struct vpx_codec_pkt_list *output_pkt_list;
#if 0
// Experimental code for lagged and one pass
ONEPASS_FRAMESTATS one_pass_frame_stats[MAX_LAG_BUFFERS];
int one_pass_frame_index;
#endif
MBGRAPH_FRAME_STATS mbgraph_stats[MAX_LAG_BUFFERS];
int mbgraph_n_frames; // number of frames filled in the above
int static_mb_pct; // % forced skip mbs by segmentation
int seg0_progress, seg0_idx, seg0_cnt;
int ref_pred_count[3][2];
int decimation_factor;
int decimation_count;
// for real time encoding
int avg_encode_time; // microsecond
int avg_pick_mode_time; // microsecond
int Speed;
unsigned int cpu_freq; // Mhz
int compressor_speed;
int interquantizer;
int goldfreq;
int auto_worst_q;
int cpu_used;
int horiz_scale;
int vert_scale;
int pass;
vp8_prob last_skip_false_probs[3][MBSKIP_CONTEXTS];
int last_skip_probs_q[3];
int recent_ref_frame_usage[MAX_REF_FRAMES];
int count_mb_ref_frame_usage[MAX_REF_FRAMES];
int ref_frame_flags;
unsigned char ref_pred_probs_update[PREDICTION_PROBS];
SPEED_FEATURES sf;
int error_bins[1024];
// Data used for real time conferencing mode to help determine if it would be good to update the gf
int inter_zz_count;
int gf_bad_count;
int gf_update_recommended;
int skip_true_count[3];
int skip_false_count[3];
int t4x4_count;
int t8x8_count;
#if CONFIG_TX16X16
int t16x16_count;
#endif
unsigned char *segmentation_map;
// segment threashold for encode breakout
int segment_encode_breakout[MAX_MB_SEGMENTS];
unsigned char *active_map;
unsigned int active_map_enabled;
TOKENLIST *tplist;
fractional_mv_step_fp *find_fractional_mv_step;
vp8_full_search_fn_t full_search_sad;
vp8_refining_search_fn_t refining_search_sad;
vp8_diamond_search_fn_t diamond_search_sad;
vp8_variance_fn_ptr_t fn_ptr[BLOCK_MAX_SEGMENTS];
unsigned int time_receive_data;
unsigned int time_compress_data;
unsigned int time_pick_lpf;
unsigned int time_encode_mb_row;
int base_skip_false_prob[QINDEX_RANGE][3];
struct twopass_rc {
unsigned int section_intra_rating;
unsigned int next_iiratio;
unsigned int this_iiratio;
FIRSTPASS_STATS *total_stats;
FIRSTPASS_STATS *this_frame_stats;
FIRSTPASS_STATS *stats_in, *stats_in_end, *stats_in_start;
FIRSTPASS_STATS *total_left_stats;
int first_pass_done;
int64_t bits_left;
int64_t clip_bits_total;
double avg_iiratio;
double modified_error_total;
double modified_error_used;
double modified_error_left;
double kf_intra_err_min;
double gf_intra_err_min;
int frames_to_key;
int maxq_max_limit;
int maxq_min_limit;
int static_scene_max_gf_interval;
int kf_bits;
int gf_group_error_left; // Remaining error from uncoded frames in a gf group. Two pass use only
// Projected total bits available for a key frame group of frames
int64_t kf_group_bits;
// Error score of frames still to be coded in kf group
int64_t kf_group_error_left;
int gf_group_bits; // Projected Bits available for a group of frames including 1 GF or ARF
int gf_bits; // Bits for the golden frame or ARF - 2 pass only
int alt_extra_bits;
int sr_update_lag;
double est_max_qcorrection_factor;
} twopass;
#if CONFIG_RUNTIME_CPU_DETECT
VP8_ENCODER_RTCD rtcd;
#endif
#if VP8_TEMPORAL_ALT_REF
YV12_BUFFER_CONFIG alt_ref_buffer;
YV12_BUFFER_CONFIG *frames[MAX_LAG_BUFFERS];
int fixed_divide[512];
#endif
#if CONFIG_INTERNAL_STATS
int count;
double total_y;
double total_u;
double total_v;
double total;
double total_sq_error;
double totalp_y;
double totalp_u;
double totalp_v;
double totalp;
double total_sq_error2;
int bytes;
double summed_quality;
double summed_weights;
unsigned int tot_recode_hits;
double total_ssimg_y;
double total_ssimg_u;
double total_ssimg_v;
double total_ssimg_all;
int b_calculate_ssimg;
#endif
int b_calculate_psnr;
// Per MB activity measurement
unsigned int activity_avg;
unsigned int *mb_activity_map;
int *mb_norm_activity_map;
// Record of which MBs still refer to last golden frame either
// directly or through 0,0
unsigned char *gf_active_flags;
int gf_active_count;
int output_partition;
// Store last frame's MV info for next frame MV prediction
int_mv *lfmv;
int *lf_ref_frame_sign_bias;
int *lf_ref_frame;
/* force next frame to intra when kf_auto says so */
int force_next_frame_intra;
int droppable;
// Global store for SB left contexts, one for each MB row in the SB
ENTROPY_CONTEXT_PLANES left_context[2];
// TODO Do we still need this??
int update_context;
int dummy_packing; /* flag to indicate if packing is dummy */
#if CONFIG_PRED_FILTER
int pred_filter_on_count;
int pred_filter_off_count;
#endif
#if CONFIG_SWITCHABLE_INTERP
unsigned int switchable_interp_count[VP8_SWITCHABLE_FILTERS+1]
[VP8_SWITCHABLE_FILTERS];
#endif
} VP8_COMP;
void control_data_rate(VP8_COMP *cpi);
void vp8_encode_frame(VP8_COMP *cpi);
void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, unsigned long *size);
void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x);
int rd_cost_intra_mb(MACROBLOCKD *x);
void vp8_tokenize_mb(VP8_COMP *, MACROBLOCKD *, TOKENEXTRA **, int dry_run);
void vp8_set_speed_features(VP8_COMP *cpi);
#if CONFIG_DEBUG
#define CHECK_MEM_ERROR(lval,expr) do {\
lval = (expr); \
if(!lval) \
vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\
"Failed to allocate "#lval" at %s:%d", \
__FILE__,__LINE__);\
} while(0)
#else
#define CHECK_MEM_ERROR(lval,expr) do {\
lval = (expr); \
if(!lval) \
vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR,\
"Failed to allocate "#lval);\
} while(0)
#endif
#endif
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