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John Koleszar authored766fce16
/* * 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. */#include "vpx_ports/config.h"#include "encodemb.h"#include "encodemv.h"#include "vp8/common/common.h"#include "onyx_int.h"#include "vp8/common/extend.h"#include "vp8/common/entropymode.h"#include "vp8/common/quant_common.h"#include "segmentation.h"#include "vp8/common/setupintrarecon.h"#include "encodeintra.h"#include "vp8/common/reconinter.h"#include "rdopt.h"#include "pickinter.h"#include "vp8/common/findnearmv.h"#include "vp8/common/reconintra.h"#include <stdio.h>#include <limits.h>#include "vp8/common/subpixel.h"#include "vpx_ports/vpx_timer.h"#if CONFIG_RUNTIME_CPU_DETECT#define RTCD(x) &cpi->common.rtcd.x#define IF_RTCD(x) (x)#else#define RTCD(x) NULL#define IF_RTCD(x) NULL#endif#if CONFIG_SEGMENTATION#define SEEK_SEGID 12#define SEEK_SAMEID 4#define SEEK_DIFFID 7#endifextern void vp8_stuff_mb(VP8_COMP *cpi, MACROBLOCKD *x, TOKENEXTRA **t) ;extern void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex);extern void vp8_auto_select_speed(VP8_COMP *cpi);extern void vp8cx_init_mbrthread_data(VP8_COMP *cpi, MACROBLOCK *x, MB_ROW_COMP *mbr_ei, int mb_row, int count);void vp8_build_block_offsets(MACROBLOCK *x);void vp8_setup_block_ptrs(MACROBLOCK *x);int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t, int recon_yoffset, int recon_uvoffset);int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t);static void adjust_act_zbin( VP8_COMP *cpi, MACROBLOCK *x );#ifdef MODE_STATSunsigned int inter_y_modes[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};unsigned int inter_uv_modes[4] = {0, 0, 0, 0};unsigned int inter_b_modes[15] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};unsigned int y_modes[5] = {0, 0, 0, 0, 0};unsigned int uv_modes[4] = {0, 0, 0, 0};unsigned int b_modes[14] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};#endif7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
/* activity_avg must be positive, or flat regions could get a zero weight
* (infinite lambda), which confounds analysis.
* This also avoids the need for divide by zero checks in
* vp8_activity_masking().
*/
#define VP8_ACTIVITY_AVG_MIN (64)
/* This is used as a reference when computing the source variance for the
* purposes of activity masking.
* Eventually this should be replaced by custom no-reference routines,
* which will be faster.
*/
static const unsigned char VP8_VAR_OFFS[16]=
{
128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128
};
// Original activity measure from Tim T's code.
static unsigned int tt_activity_measure( VP8_COMP *cpi, MACROBLOCK *x )
{
unsigned int act;
unsigned int sse;
/* TODO: This could also be done over smaller areas (8x8), but that would
* require extensive changes elsewhere, as lambda is assumed to be fixed
* over an entire MB in most of the code.
* Another option is to compute four 8x8 variances, and pick a single
* lambda using a non-linear combination (e.g., the smallest, or second
* smallest, etc.).
*/
act = VARIANCE_INVOKE(&cpi->rtcd.variance, var16x16)(x->src.y_buffer,
x->src.y_stride, VP8_VAR_OFFS, 0, &sse);
act = act<<4;
/* If the region is flat, lower the activity some more. */
if (act < 8<<12)
act = act < 5<<12 ? act : 5<<12;
return act;
}
// Stub for alternative experimental activity measures.
static unsigned int alt_activity_measure( VP8_COMP *cpi,
MACROBLOCK *x, int use_dc_pred )
{
return vp8_encode_intra(cpi,x, use_dc_pred);
}
// Measure the activity of the current macroblock
// What we measure here is TBD so abstracted to this function
#define ALT_ACT_MEASURE 1
static unsigned int mb_activity_measure( VP8_COMP *cpi, MACROBLOCK *x,
int mb_row, int mb_col)
{
unsigned int mb_activity;
if ( ALT_ACT_MEASURE )
{
int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
// Or use and alternative.
mb_activity = alt_activity_measure( cpi, x, use_dc_pred );
}
else
{
// Original activity measure from Tim T's code.
mb_activity = tt_activity_measure( cpi, x );
141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210
}
if ( mb_activity < VP8_ACTIVITY_AVG_MIN )
mb_activity = VP8_ACTIVITY_AVG_MIN;
return mb_activity;
}
// Calculate an "average" mb activity value for the frame
#define ACT_MEDIAN 0
static void calc_av_activity( VP8_COMP *cpi, INT64 activity_sum )
{
#if ACT_MEDIAN
// Find median: Simple n^2 algorithm for experimentation
{
unsigned int median;
unsigned int i,j;
unsigned int * sortlist;
unsigned int tmp;
// Create a list to sort to
CHECK_MEM_ERROR(sortlist,
vpx_calloc(sizeof(unsigned int),
cpi->common.MBs));
// Copy map to sort list
vpx_memcpy( sortlist, cpi->mb_activity_map,
sizeof(unsigned int) * cpi->common.MBs );
// Ripple each value down to its correct position
for ( i = 1; i < cpi->common.MBs; i ++ )
{
for ( j = i; j > 0; j -- )
{
if ( sortlist[j] < sortlist[j-1] )
{
// Swap values
tmp = sortlist[j-1];
sortlist[j-1] = sortlist[j];
sortlist[j] = tmp;
}
else
break;
}
}
// Even number MBs so estimate median as mean of two either side.
median = ( 1 + sortlist[cpi->common.MBs >> 1] +
sortlist[(cpi->common.MBs >> 1) + 1] ) >> 1;
cpi->activity_avg = median;
vpx_free(sortlist);
}
#else
// Simple mean for now
cpi->activity_avg = (unsigned int)(activity_sum/cpi->common.MBs);
#endif
if (cpi->activity_avg < VP8_ACTIVITY_AVG_MIN)
cpi->activity_avg = VP8_ACTIVITY_AVG_MIN;
// Experimental code: return fixed value normalized for several clips
if ( ALT_ACT_MEASURE )
cpi->activity_avg = 100000;
}
#define USE_ACT_INDEX 0
#define OUTPUT_NORM_ACT_STATS 0
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#if USE_ACT_INDEX
// Calculate and activity index for each mb
static void calc_activity_index( VP8_COMP *cpi, MACROBLOCK *x )
{
VP8_COMMON *const cm = & cpi->common;
int mb_row, mb_col;
INT64 act;
INT64 a;
INT64 b;
#if OUTPUT_NORM_ACT_STATS
FILE *f = fopen("norm_act.stt", "a");
fprintf(f, "\n%12d\n", cpi->activity_avg );
#endif
// Reset pointers to start of activity map
x->mb_activity_ptr = cpi->mb_activity_map;
// Calculate normalized mb activity number.
for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
{
// for each macroblock col in image
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
{
// Read activity from the map
act = *(x->mb_activity_ptr);
// Calculate a normalized activity number
a = act + 4*cpi->activity_avg;
b = 4*act + cpi->activity_avg;
if ( b >= a )
*(x->activity_ptr) = (int)((b + (a>>1))/a) - 1;
else
*(x->activity_ptr) = 1 - (int)((a + (b>>1))/b);
#if OUTPUT_NORM_ACT_STATS
fprintf(f, " %6d", *(x->mb_activity_ptr));
#endif
// Increment activity map pointers
x->mb_activity_ptr++;
}
#if OUTPUT_NORM_ACT_STATS
fprintf(f, "\n");
#endif
}
#if OUTPUT_NORM_ACT_STATS
fclose(f);
#endif
}
#endif
// Loop through all MBs. Note activity of each, average activity and
// calculate a normalized activity for each
static void build_activity_map( VP8_COMP *cpi )
{
MACROBLOCK *const x = & cpi->mb;
MACROBLOCKD *xd = &x->e_mbd;
VP8_COMMON *const cm = & cpi->common;
#if ALT_ACT_MEASURE
YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
int recon_yoffset;
int recon_y_stride = new_yv12->y_stride;
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#endif
int mb_row, mb_col;
unsigned int mb_activity;
INT64 activity_sum = 0;
// for each macroblock row in image
for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
{
#if ALT_ACT_MEASURE
// reset above block coeffs
xd->up_available = (mb_row != 0);
recon_yoffset = (mb_row * recon_y_stride * 16);
#endif
// for each macroblock col in image
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
{
#if ALT_ACT_MEASURE
xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
xd->left_available = (mb_col != 0);
recon_yoffset += 16;
#endif
//Copy current mb to a buffer
RECON_INVOKE(&xd->rtcd->recon, copy16x16)(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
// measure activity
mb_activity = mb_activity_measure( cpi, x, mb_row, mb_col );
// Keep frame sum
activity_sum += mb_activity;
// Store MB level activity details.
*x->mb_activity_ptr = mb_activity;
// Increment activity map pointer
x->mb_activity_ptr++;
// adjust to the next column of source macroblocks
x->src.y_buffer += 16;
}
// adjust to the next row of mbs
x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
#if ALT_ACT_MEASURE
//extend the recon for intra prediction
vp8_extend_mb_row(new_yv12, xd->dst.y_buffer + 16,
xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
#endif
}
// Calculate an "average" MB activity
calc_av_activity(cpi, activity_sum);
#if USE_ACT_INDEX
// Calculate an activity index number of each mb
calc_activity_index( cpi, x );
#endif
}
// Macroblock activity masking
void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x)
{
#if USE_ACT_INDEX
x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
x->errorperbit = x->rdmult * 100 /(110 * x->rddiv);
x->errorperbit += (x->errorperbit==0);
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#else
INT64 a;
INT64 b;
INT64 act = *(x->mb_activity_ptr);
// Apply the masking to the RD multiplier.
a = act + (2*cpi->activity_avg);
b = (2*act) + cpi->activity_avg;
x->rdmult = (unsigned int)(((INT64)x->rdmult*b + (a>>1))/a);
x->errorperbit = x->rdmult * 100 /(110 * x->rddiv);
x->errorperbit += (x->errorperbit==0);
#endif
// Activity based Zbin adjustment
adjust_act_zbin(cpi, x);
}
static
void encode_mb_row(VP8_COMP *cpi,
VP8_COMMON *cm,
int mb_row,
MACROBLOCK *x,
MACROBLOCKD *xd,
TOKENEXTRA **tp,
int *segment_counts,
int *totalrate)
{
int i;
int recon_yoffset, recon_uvoffset;
int mb_col;
int ref_fb_idx = cm->lst_fb_idx;
int dst_fb_idx = cm->new_fb_idx;
int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
int map_index = (mb_row * cpi->common.mb_cols);
#if CONFIG_SEGMENTATION
int left_id, above_id;
int sum;
#endif
#if CONFIG_MULTITHREAD
const int nsync = cpi->mt_sync_range;
const int rightmost_col = cm->mb_cols - 1;
volatile const int *last_row_current_mb_col;
if ((cpi->b_multi_threaded != 0) && (mb_row != 0))
last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
else
last_row_current_mb_col = &rightmost_col;
#endif
// reset above block coeffs
xd->above_context = cm->above_context;
xd->up_available = (mb_row != 0);
recon_yoffset = (mb_row * recon_y_stride * 16);
recon_uvoffset = (mb_row * recon_uv_stride * 8);
cpi->tplist[mb_row].start = *tp;
//printf("Main mb_row = %d\n", mb_row);
// Distance of Mb to the top & bottom edges, specified in 1/8th pel
// units as they are always compared to values that are in 1/8th pel units
xd->mb_to_top_edge = -((mb_row * 16) << 3);
xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
// Set up limit values for vertical motion vector components
// to prevent them extending beyond the UMV borders
x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16)
+ (VP8BORDERINPIXELS - 16);
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// Set the mb activity pointer to the start of the row.
x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
// for each macroblock col in image
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
{
// Distance of Mb to the left & right edges, specified in
// 1/8th pel units as they are always compared to values
// that are in 1/8th pel units
xd->mb_to_left_edge = -((mb_col * 16) << 3);
xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
// Set up limit values for horizontal motion vector components
// to prevent them extending beyond the UMV borders
x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16)
+ (VP8BORDERINPIXELS - 16);
xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
xd->left_available = (mb_col != 0);
x->rddiv = cpi->RDDIV;
x->rdmult = cpi->RDMULT;
//Copy current mb to a buffer
RECON_INVOKE(&xd->rtcd->recon, copy16x16)(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
#if CONFIG_MULTITHREAD
if ((cpi->b_multi_threaded != 0) && (mb_row != 0))
{
if ((mb_col & (nsync - 1)) == 0)
{
while (mb_col > (*last_row_current_mb_col - nsync)
&& (*last_row_current_mb_col) != (cm->mb_cols - 1))
{
x86_pause_hint();
thread_sleep(0);
}
}
}
#endif
if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
vp8_activity_masking(cpi, x);
// Is segmentation enabled
// MB level adjutment to quantizer
if (xd->segmentation_enabled)
{
// Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)
if (cpi->segmentation_map[map_index+mb_col] <= 3)
xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[map_index+mb_col];
else
xd->mode_info_context->mbmi.segment_id = 0;
vp8cx_mb_init_quantizer(cpi, x);
}
else
xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
x->active_ptr = cpi->active_map + map_index + mb_col;
if (cm->frame_type == KEY_FRAME)
{
*totalrate += vp8cx_encode_intra_macro_block(cpi, x, tp);
#ifdef MODE_STATS
491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560
y_modes[xd->mbmi.mode] ++;
#endif
}
else
{
*totalrate += vp8cx_encode_inter_macroblock(cpi, x, tp, recon_yoffset, recon_uvoffset);
#ifdef MODE_STATS
inter_y_modes[xd->mbmi.mode] ++;
if (xd->mbmi.mode == SPLITMV)
{
int b;
for (b = 0; b < xd->mbmi.partition_count; b++)
{
inter_b_modes[x->partition->bmi[b].mode] ++;
}
}
#endif
// Count of last ref frame 0,0 useage
if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
cpi->inter_zz_count ++;
// Special case code for cyclic refresh
// If cyclic update enabled then copy xd->mbmi.segment_id; (which may have been updated based on mode
// during vp8cx_encode_inter_macroblock()) back into the global sgmentation map
if (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)
{
cpi->segmentation_map[map_index+mb_col] = xd->mode_info_context->mbmi.segment_id;
// If the block has been refreshed mark it as clean (the magnitude of the -ve influences how long it will be before we consider another refresh):
// Else if it was coded (last frame 0,0) and has not already been refreshed then mark it as a candidate for cleanup next time (marked 0)
// else mark it as dirty (1).
if (xd->mode_info_context->mbmi.segment_id)
cpi->cyclic_refresh_map[map_index+mb_col] = -1;
else if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
{
if (cpi->cyclic_refresh_map[map_index+mb_col] == 1)
cpi->cyclic_refresh_map[map_index+mb_col] = 0;
}
else
cpi->cyclic_refresh_map[map_index+mb_col] = 1;
}
}
cpi->tplist[mb_row].stop = *tp;
// Increment pointer into gf useage flags structure.
x->gf_active_ptr++;
// Increment the activity mask pointers.
x->mb_activity_ptr++;
if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
xd->mode_info_context->mbmi.segment_id = 0;
else
xd->mode_info_context->mbmi.segment_id = 1;
/* save the block info */
for (i = 0; i < 16; i++)
xd->mode_info_context->bmi[i] = xd->block[i].bmi;
// adjust to the next column of macroblocks
x->src.y_buffer += 16;
x->src.u_buffer += 8;
x->src.v_buffer += 8;
561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630
recon_yoffset += 16;
recon_uvoffset += 8;
#if CONFIG_SEGMENTATION
//cpi->segmentation_map[mb_row * cm->mb_cols + mb_col] = xd->mbmi.segment_id;
if (cm->frame_type == KEY_FRAME)
{
segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
}
else
{
sum = 0;
if (mb_col != 0)
sum += (xd->mode_info_context-1)->mbmi.segment_flag;
if (mb_row != 0)
sum += (xd->mode_info_context-cm->mb_cols)->mbmi.segment_flag;
if (xd->mode_info_context->mbmi.segment_id == cpi->segmentation_map[(mb_row*cm->mb_cols) + mb_col])
xd->mode_info_context->mbmi.segment_flag = 0;
else
xd->mode_info_context->mbmi.segment_flag = 1;
if (xd->mode_info_context->mbmi.segment_flag == 0)
{
segment_counts[SEEK_SAMEID + sum]++;
segment_counts[10]++;
}
else
{
segment_counts[SEEK_DIFFID + sum]++;
segment_counts[11]++;
//calculate individual segment ids
segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
}
}
segment_counts[SEEK_SEGID + xd->mode_info_context->mbmi.segment_id] ++;
#else
segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
#endif
// skip to next mb
xd->mode_info_context++;
x->partition_info++;
xd->above_context++;
#if CONFIG_MULTITHREAD
if (cpi->b_multi_threaded != 0)
{
cpi->mt_current_mb_col[mb_row] = mb_col;
}
#endif
}
//extend the recon for intra prediction
vp8_extend_mb_row(
&cm->yv12_fb[dst_fb_idx],
xd->dst.y_buffer + 16,
xd->dst.u_buffer + 8,
xd->dst.v_buffer + 8);
// this is to account for the border
xd->mode_info_context++;
x->partition_info++;
#if CONFIG_MULTITHREAD
if ((cpi->b_multi_threaded != 0) && (mb_row == cm->mb_rows - 1))
{
sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */
}
#endif
}
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void init_encode_frame_mb_context(VP8_COMP *cpi)
{
MACROBLOCK *const x = & cpi->mb;
VP8_COMMON *const cm = & cpi->common;
MACROBLOCKD *const xd = & x->e_mbd;
// GF active flags data structure
x->gf_active_ptr = (signed char *)cpi->gf_active_flags;
// Activity map pointer
x->mb_activity_ptr = cpi->mb_activity_map;
x->vector_range = 32;
x->act_zbin_adj = 0;
x->partition_info = x->pi;
xd->mode_info_context = cm->mi;
xd->mode_info_stride = cm->mode_info_stride;
xd->frame_type = cm->frame_type;
xd->frames_since_golden = cm->frames_since_golden;
xd->frames_till_alt_ref_frame = cm->frames_till_alt_ref_frame;
// reset intra mode contexts
if (cm->frame_type == KEY_FRAME)
vp8_init_mbmode_probs(cm);
// Copy data over into macro block data sturctures.
x->src = * cpi->Source;
xd->pre = cm->yv12_fb[cm->lst_fb_idx];
xd->dst = cm->yv12_fb[cm->new_fb_idx];
// set up frame for intra coded blocks
vp8_setup_intra_recon(&cm->yv12_fb[cm->new_fb_idx]);
vp8_build_block_offsets(x);
vp8_setup_block_dptrs(&x->e_mbd);
vp8_setup_block_ptrs(x);
xd->mode_info_context->mbmi.mode = DC_PRED;
xd->mode_info_context->mbmi.uv_mode = DC_PRED;
xd->left_context = &cm->left_context;
vp8_zero(cpi->count_mb_ref_frame_usage)
vp8_zero(cpi->ymode_count)
vp8_zero(cpi->uv_mode_count)
x->mvc = cm->fc.mvc;
vpx_memset(cm->above_context, 0,
sizeof(ENTROPY_CONTEXT_PLANES) * cm->mb_cols);
xd->ref_frame_cost[INTRA_FRAME] = vp8_cost_zero(cpi->prob_intra_coded);
// Special case treatment when GF and ARF are not sensible options for reference
if (cpi->ref_frame_flags == VP8_LAST_FLAG)
{
xd->ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ vp8_cost_zero(255);
xd->ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ vp8_cost_one(255)
+ vp8_cost_zero(128);
xd->ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ vp8_cost_one(255)
701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770
+ vp8_cost_one(128);
}
else
{
xd->ref_frame_cost[LAST_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ vp8_cost_zero(cpi->prob_last_coded);
xd->ref_frame_cost[GOLDEN_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ vp8_cost_one(cpi->prob_last_coded)
+ vp8_cost_zero(cpi->prob_gf_coded);
xd->ref_frame_cost[ALTREF_FRAME] = vp8_cost_one(cpi->prob_intra_coded)
+ vp8_cost_one(cpi->prob_last_coded)
+ vp8_cost_one(cpi->prob_gf_coded);
}
}
void vp8_encode_frame(VP8_COMP *cpi)
{
int mb_row;
MACROBLOCK *const x = & cpi->mb;
VP8_COMMON *const cm = & cpi->common;
MACROBLOCKD *const xd = & x->e_mbd;
TOKENEXTRA *tp = cpi->tok;
#if CONFIG_SEGMENTATION
int segment_counts[MAX_MB_SEGMENTS + SEEK_SEGID];
int prob[3];
int new_cost, original_cost;
#else
int segment_counts[MAX_MB_SEGMENTS];
#endif
int totalrate;
vpx_memset(segment_counts, 0, sizeof(segment_counts));
totalrate = 0;
if (cpi->compressor_speed == 2)
{
if (cpi->oxcf.cpu_used < 0)
cpi->Speed = -(cpi->oxcf.cpu_used);
else
vp8_auto_select_speed(cpi);
}
// Functions setup for all frame types so we can use MC in AltRef
if (cm->mcomp_filter_type == SIXTAP)
{
xd->subpixel_predict = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, sixtap4x4);
xd->subpixel_predict8x4 = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, sixtap8x4);
xd->subpixel_predict8x8 = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, sixtap8x8);
xd->subpixel_predict16x16 = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, sixtap16x16);
}
else
{
xd->subpixel_predict = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, bilinear4x4);
xd->subpixel_predict8x4 = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, bilinear8x4);
xd->subpixel_predict8x8 = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, bilinear8x8);
xd->subpixel_predict16x16 = SUBPIX_INVOKE(
&cpi->common.rtcd.subpix, bilinear16x16);
}
// Reset frame count of inter 0,0 motion vector useage.
cpi->inter_zz_count = 0;
771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840
vpx_memset(segment_counts, 0, sizeof(segment_counts));
cpi->prediction_error = 0;
cpi->intra_error = 0;
cpi->skip_true_count = 0;
cpi->skip_false_count = 0;
#if 0
// Experimental code
cpi->frame_distortion = 0;
cpi->last_mb_distortion = 0;
#endif
xd->mode_info_context = cm->mi;
vp8_zero(cpi->MVcount);
vp8_zero(cpi->coef_counts);
vp8cx_frame_init_quantizer(cpi);
vp8cx_initialize_me_consts(cpi, cm->base_qindex);
if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
{
// Initialize encode frame context.
init_encode_frame_mb_context(cpi);
// Build a frame level activity map
build_activity_map(cpi);
}
// re-initencode frame context.
init_encode_frame_mb_context(cpi);
{
struct vpx_usec_timer emr_timer;
vpx_usec_timer_start(&emr_timer);
#if CONFIG_MULTITHREAD
if (cpi->b_multi_threaded)
{
int i;
vp8cx_init_mbrthread_data(cpi, x, cpi->mb_row_ei, 1, cpi->encoding_thread_count);
for (i = 0; i < cm->mb_rows; i++)
cpi->mt_current_mb_col[i] = -1;
for (i = 0; i < cpi->encoding_thread_count; i++)
{
sem_post(&cpi->h_event_start_encoding[i]);
}
for (mb_row = 0; mb_row < cm->mb_rows; mb_row += (cpi->encoding_thread_count + 1))
{
vp8_zero(cm->left_context)
tp = cpi->tok + mb_row * (cm->mb_cols * 16 * 24);
encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
// adjust to the next row of mbs
x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols;
x->src.u_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
x->src.v_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols;
xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count;
x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count;
x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count;
841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910
}
sem_wait(&cpi->h_event_end_encoding); /* wait for other threads to finish */
cpi->tok_count = 0;
for (mb_row = 0; mb_row < cm->mb_rows; mb_row ++)
{
cpi->tok_count += cpi->tplist[mb_row].stop - cpi->tplist[mb_row].start;
}
if (xd->segmentation_enabled)
{
int i, j;
if (xd->segmentation_enabled)
{
for (i = 0; i < cpi->encoding_thread_count; i++)
{
for (j = 0; j < 4; j++)
segment_counts[j] += cpi->mb_row_ei[i].segment_counts[j];
}
}
}
for (i = 0; i < cpi->encoding_thread_count; i++)
{
totalrate += cpi->mb_row_ei[i].totalrate;
}
}
else
#endif
{
// for each macroblock row in image
for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
{
vp8_zero(cm->left_context)
encode_mb_row(cpi, cm, mb_row, x, xd, &tp, segment_counts, &totalrate);
// adjust to the next row of mbs
x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
x->src.u_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
x->src.v_buffer += 8 * x->src.uv_stride - 8 * cm->mb_cols;
}
cpi->tok_count = tp - cpi->tok;
}
vpx_usec_timer_mark(&emr_timer);
cpi->time_encode_mb_row += vpx_usec_timer_elapsed(&emr_timer);
}
// Work out the segment probabilites if segmentation is enabled
if (xd->segmentation_enabled)
{
int tot_count;
int i,j;
int count1,count2,count3,count4;
// Set to defaults
vpx_memset(xd->mb_segment_tree_probs, 255 , sizeof(xd->mb_segment_tree_probs));
#if CONFIG_SEGMENTATION
911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980
tot_count = segment_counts[12] + segment_counts[13] + segment_counts[14] + segment_counts[15];
count1 = segment_counts[12] + segment_counts[13];
count2 = segment_counts[14] + segment_counts[15];
if (tot_count)
prob[0] = (count1 * 255) / tot_count;
if (count1 > 0)
prob[1] = (segment_counts[12] * 255) /count1;
if (count2 > 0)
prob[2] = (segment_counts[14] * 255) /count2;
if (cm->frame_type != KEY_FRAME)
{
tot_count = segment_counts[4] + segment_counts[7];
if (tot_count)
xd->mb_segment_tree_probs[3] = (segment_counts[4] * 255)/tot_count;
tot_count = segment_counts[5] + segment_counts[8];
if (tot_count)
xd->mb_segment_tree_probs[4] = (segment_counts[5] * 255)/tot_count;
tot_count = segment_counts[6] + segment_counts[9];
if (tot_count)
xd->mb_segment_tree_probs[5] = (segment_counts[6] * 255)/tot_count;
}
tot_count = segment_counts[0] + segment_counts[1] + segment_counts[2] + segment_counts[3];
count3 = segment_counts[0] + segment_counts[1];
count4 = segment_counts[2] + segment_counts[3];
if (tot_count)
xd->mb_segment_tree_probs[0] = (count3 * 255) / tot_count;
if (count3 > 0)
xd->mb_segment_tree_probs[1] = (segment_counts[0] * 255) /count3;
if (count4 > 0)
xd->mb_segment_tree_probs[2] = (segment_counts[2] * 255) /count4;
for (i = 0; i < MB_FEATURE_TREE_PROBS+3; i++)
{
if (xd->mb_segment_tree_probs[i] == 0)
xd->mb_segment_tree_probs[i] = 1;
}
original_cost = count1 * vp8_cost_zero(prob[0]) + count2 * vp8_cost_one(prob[0]);
if (count1 > 0)
original_cost += segment_counts[12] * vp8_cost_zero(prob[1]) + segment_counts[13] * vp8_cost_one(prob[1]);
if (count2 > 0)
original_cost += segment_counts[14] * vp8_cost_zero(prob[2]) + segment_counts[15] * vp8_cost_one(prob[2]) ;
new_cost = 0;
if (cm->frame_type != KEY_FRAME)
{
new_cost = segment_counts[4] * vp8_cost_zero(xd->mb_segment_tree_probs[3]) + segment_counts[7] * vp8_cost_one(xd->mb_segment_tree_probs[3]);
new_cost += segment_counts[5] * vp8_cost_zero(xd->mb_segment_tree_probs[4]) + segment_counts[8] * vp8_cost_one(xd->mb_segment_tree_probs[4]);
new_cost += segment_counts[6] * vp8_cost_zero(xd->mb_segment_tree_probs[5]) + segment_counts[9] * vp8_cost_one (xd->mb_segment_tree_probs[5]);
}
if (tot_count > 0)
new_cost += count3 * vp8_cost_zero(xd->mb_segment_tree_probs[0]) + count4 * vp8_cost_one(xd->mb_segment_tree_probs[0]);
if (count3 > 0)
981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050
new_cost += segment_counts[0] * vp8_cost_zero(xd->mb_segment_tree_probs[1]) + segment_counts[1] * vp8_cost_one(xd->mb_segment_tree_probs[1]);
if (count4 > 0)
new_cost += segment_counts[2] * vp8_cost_zero(xd->mb_segment_tree_probs[2]) + segment_counts[3] * vp8_cost_one(xd->mb_segment_tree_probs[2]) ;
if (new_cost < original_cost)
xd->temporal_update = 1;
else
{
xd->temporal_update = 0;
xd->mb_segment_tree_probs[0] = prob[0];
xd->mb_segment_tree_probs[1] = prob[1];
xd->mb_segment_tree_probs[2] = prob[2];
}
#else
tot_count = segment_counts[0] + segment_counts[1] + segment_counts[2] + segment_counts[3];
count1 = segment_counts[0] + segment_counts[1];
count2 = segment_counts[2] + segment_counts[3];
if (tot_count)
xd->mb_segment_tree_probs[0] = (count1 * 255) / tot_count;
if (count1 > 0)
xd->mb_segment_tree_probs[1] = (segment_counts[0] * 255) /count1;
if (count2 > 0)
xd->mb_segment_tree_probs[2] = (segment_counts[2] * 255) /count2;
#endif
// Zero probabilities not allowed
#if CONFIG_SEGMENTATION
for (i = 0; i < MB_FEATURE_TREE_PROBS+3; i++)
#else
for (i = 0; i < MB_FEATURE_TREE_PROBS; i++)
#endif
{
if (xd->mb_segment_tree_probs[i] == 0)
xd->mb_segment_tree_probs[i] = 1;
}
}
// 256 rate units to the bit
cpi->projected_frame_size = totalrate >> 8; // projected_frame_size in units of BYTES
// Make a note of the percentage MBs coded Intra.
if (cm->frame_type == KEY_FRAME)
{
cpi->this_frame_percent_intra = 100;
}
else
{
int tot_modes;
tot_modes = cpi->count_mb_ref_frame_usage[INTRA_FRAME]
+ cpi->count_mb_ref_frame_usage[LAST_FRAME]
+ cpi->count_mb_ref_frame_usage[GOLDEN_FRAME]
+ cpi->count_mb_ref_frame_usage[ALTREF_FRAME];
if (tot_modes)
cpi->this_frame_percent_intra = cpi->count_mb_ref_frame_usage[INTRA_FRAME] * 100 / tot_modes;
}
#if 0
{
int cnt = 0;
int flag[2] = {0, 0};
for (cnt = 0; cnt < MVPcount; cnt++)
{
1051105210531054105510561057105810591060106110621063106410651066106710681069107010711072107310741075107610771078107910801081108210831084108510861087108810891090109110921093109410951096109710981099110011011102110311041105110611071108110911101111111211131114111511161117111811191120
if (cm->fc.pre_mvc[0][cnt] != cm->fc.mvc[0][cnt])
{
flag[0] = 1;
vpx_memcpy(cm->fc.pre_mvc[0], cm->fc.mvc[0], MVPcount);
break;
}
}
for (cnt = 0; cnt < MVPcount; cnt++)
{
if (cm->fc.pre_mvc[1][cnt] != cm->fc.mvc[1][cnt])
{
flag[1] = 1;
vpx_memcpy(cm->fc.pre_mvc[1], cm->fc.mvc[1], MVPcount);
break;
}
}
if (flag[0] || flag[1])
vp8_build_component_cost_table(cpi->mb.mvcost, (const MV_CONTEXT *) cm->fc.mvc, flag);
}
#endif
// Adjust the projected reference frame useage probability numbers to reflect
// what we have just seen. This may be usefull when we make multiple itterations
// of the recode loop rather than continuing to use values from the previous frame.
if ((cm->frame_type != KEY_FRAME) && !cm->refresh_alt_ref_frame && !cm->refresh_golden_frame)
{
const int *const rfct = cpi->count_mb_ref_frame_usage;
const int rf_intra = rfct[INTRA_FRAME];
const int rf_inter = rfct[LAST_FRAME] + rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME];
if ((rf_intra + rf_inter) > 0)
{
cpi->prob_intra_coded = (rf_intra * 255) / (rf_intra + rf_inter);
if (cpi->prob_intra_coded < 1)
cpi->prob_intra_coded = 1;
if ((cm->frames_since_golden > 0) || cpi->source_alt_ref_active)
{
cpi->prob_last_coded = rf_inter ? (rfct[LAST_FRAME] * 255) / rf_inter : 128;
if (cpi->prob_last_coded < 1)
cpi->prob_last_coded = 1;
cpi->prob_gf_coded = (rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME])
? (rfct[GOLDEN_FRAME] * 255) / (rfct[GOLDEN_FRAME] + rfct[ALTREF_FRAME]) : 128;
if (cpi->prob_gf_coded < 1)
cpi->prob_gf_coded = 1;
}
}
}
#if 0
// Keep record of the total distortion this time around for future use
cpi->last_frame_distortion = cpi->frame_distortion;
#endif
}
void vp8_setup_block_ptrs(MACROBLOCK *x)
{
int r, c;
int i;
for (r = 0; r < 4; r++)
{
for (c = 0; c < 4; c++)
{
1121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190
x->block[r*4+c].src_diff = x->src_diff + r * 4 * 16 + c * 4;
}
}
for (r = 0; r < 2; r++)
{
for (c = 0; c < 2; c++)
{
x->block[16 + r*2+c].src_diff = x->src_diff + 256 + r * 4 * 8 + c * 4;
}
}
for (r = 0; r < 2; r++)
{
for (c = 0; c < 2; c++)
{
x->block[20 + r*2+c].src_diff = x->src_diff + 320 + r * 4 * 8 + c * 4;
}
}
x->block[24].src_diff = x->src_diff + 384;
for (i = 0; i < 25; i++)
{
x->block[i].coeff = x->coeff + i * 16;
}
}
void vp8_build_block_offsets(MACROBLOCK *x)
{
int block = 0;
int br, bc;
vp8_build_block_doffsets(&x->e_mbd);
// y blocks
x->thismb_ptr = &x->thismb[0];
for (br = 0; br < 4; br++)
{
for (bc = 0; bc < 4; bc++)
{
BLOCK *this_block = &x->block[block];
//this_block->base_src = &x->src.y_buffer;
//this_block->src_stride = x->src.y_stride;
//this_block->src = 4 * br * this_block->src_stride + 4 * bc;
this_block->base_src = &x->thismb_ptr;
this_block->src_stride = 16;
this_block->src = 4 * br * 16 + 4 * bc;
++block;
}
}
// u blocks
for (br = 0; br < 2; br++)
{
for (bc = 0; bc < 2; bc++)
{
BLOCK *this_block = &x->block[block];
this_block->base_src = &x->src.u_buffer;
this_block->src_stride = x->src.uv_stride;
this_block->src = 4 * br * this_block->src_stride + 4 * bc;
++block;
}
}
// v blocks
for (br = 0; br < 2; br++)
{
1191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260
for (bc = 0; bc < 2; bc++)
{
BLOCK *this_block = &x->block[block];
this_block->base_src = &x->src.v_buffer;
this_block->src_stride = x->src.uv_stride;
this_block->src = 4 * br * this_block->src_stride + 4 * bc;
++block;
}
}
}
static void sum_intra_stats(VP8_COMP *cpi, MACROBLOCK *x)
{
const MACROBLOCKD *xd = & x->e_mbd;
const MB_PREDICTION_MODE m = xd->mode_info_context->mbmi.mode;
const MB_PREDICTION_MODE uvm = xd->mode_info_context->mbmi.uv_mode;
#ifdef MODE_STATS
const int is_key = cpi->common.frame_type == KEY_FRAME;
++ (is_key ? uv_modes : inter_uv_modes)[uvm];
if (m == B_PRED)
{
unsigned int *const bct = is_key ? b_modes : inter_b_modes;
int b = 0;
do
{
++ bct[xd->block[b].bmi.mode];
}
while (++b < 16);
}
#endif
++cpi->ymode_count[m];
++cpi->uv_mode_count[uvm];
}
// Experimental stub function to create a per MB zbin adjustment based on
// some previously calculated measure of MB activity.
static void adjust_act_zbin( VP8_COMP *cpi, MACROBLOCK *x )
{
#if USE_ACT_INDEX
x->act_zbin_adj = *(x->mb_activity_ptr);
#else
INT64 a;
INT64 b;
INT64 act = *(x->mb_activity_ptr);
// Apply the masking to the RD multiplier.
a = act + 4*cpi->activity_avg;
b = 4*act + cpi->activity_avg;
if ( act > cpi->activity_avg )
x->act_zbin_adj = (int)(((INT64)b + (a>>1))/a) - 1;
else
x->act_zbin_adj = 1 - (int)(((INT64)a + (b>>1))/b);
#endif
}
int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t)
{
int rate;
if (cpi->sf.RD && cpi->compressor_speed != 2)
vp8_rd_pick_intra_mode(cpi, x, &rate);
1261126212631264126512661267126812691270127112721273127412751276127712781279128012811282128312841285128612871288128912901291129212931294129512961297129812991300130113021303130413051306130713081309131013111312131313141315131613171318131913201321132213231324132513261327132813291330
else
vp8_pick_intra_mode(cpi, x, &rate);
if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
{
adjust_act_zbin( cpi, x );
vp8_update_zbin_extra(cpi, x);
}
if (x->e_mbd.mode_info_context->mbmi.mode == B_PRED)
vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);
else
vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
sum_intra_stats(cpi, x);
vp8_tokenize_mb(cpi, &x->e_mbd, t);
return rate;
}
#ifdef SPEEDSTATS
extern int cnt_pm;
#endif
extern void vp8_fix_contexts(MACROBLOCKD *x);
int vp8cx_encode_inter_macroblock
(
VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
int recon_yoffset, int recon_uvoffset
)
{
MACROBLOCKD *const xd = &x->e_mbd;
int intra_error = 0;
int rate;
int distortion;
x->skip = 0;
if (xd->segmentation_enabled)
x->encode_breakout = cpi->segment_encode_breakout[xd->mode_info_context->mbmi.segment_id];
else
x->encode_breakout = cpi->oxcf.encode_breakout;
if (cpi->sf.RD)
{
int zbin_mode_boost_enabled = cpi->zbin_mode_boost_enabled;
/* Are we using the fast quantizer for the mode selection? */
if(cpi->sf.use_fastquant_for_pick)
{
cpi->mb.quantize_b = QUANTIZE_INVOKE(&cpi->rtcd.quantize,
fastquantb);
cpi->mb.quantize_b_pair = QUANTIZE_INVOKE(&cpi->rtcd.quantize,
fastquantb_pair);
/* the fast quantizer does not use zbin_extra, so
* do not recalculate */
cpi->zbin_mode_boost_enabled = 0;
}
vp8_rd_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
&distortion, &intra_error);
/* switch back to the regular quantizer for the encode */
if (cpi->sf.improved_quant)
{
cpi->mb.quantize_b = QUANTIZE_INVOKE(&cpi->rtcd.quantize,
quantb);
cpi->mb.quantize_b_pair = QUANTIZE_INVOKE(&cpi->rtcd.quantize,
quantb_pair);
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}
/* restore cpi->zbin_mode_boost_enabled */
cpi->zbin_mode_boost_enabled = zbin_mode_boost_enabled;
}
else
vp8_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
&distortion, &intra_error);
cpi->prediction_error += distortion;
cpi->intra_error += intra_error;
if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
{
// Adjust the zbin based on this MB rate.
adjust_act_zbin( cpi, x );
}
#if 0
// Experimental RD code
cpi->frame_distortion += distortion;
cpi->last_mb_distortion = distortion;
#endif
// MB level adjutment to quantizer setup
if (xd->segmentation_enabled)
{
// If cyclic update enabled
if (cpi->cyclic_refresh_mode_enabled)
{
// Clear segment_id back to 0 if not coded (last frame 0,0)
if ((xd->mode_info_context->mbmi.segment_id == 1) &&
((xd->mode_info_context->mbmi.ref_frame != LAST_FRAME) || (xd->mode_info_context->mbmi.mode != ZEROMV)))
{
xd->mode_info_context->mbmi.segment_id = 0;
/* segment_id changed, so update */
vp8cx_mb_init_quantizer(cpi, x);
}
}
}
{
// Experimental code. Special case for gf and arf zeromv modes.
// Increase zbin size to supress noise
cpi->zbin_mode_boost = 0;
if (cpi->zbin_mode_boost_enabled)
{
if ( xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME )
{
if (xd->mode_info_context->mbmi.mode == ZEROMV)
{
if (xd->mode_info_context->mbmi.ref_frame != LAST_FRAME)
cpi->zbin_mode_boost = GF_ZEROMV_ZBIN_BOOST;
else
cpi->zbin_mode_boost = LF_ZEROMV_ZBIN_BOOST;
}
else if (xd->mode_info_context->mbmi.mode == SPLITMV)
cpi->zbin_mode_boost = 0;
else
cpi->zbin_mode_boost = MV_ZBIN_BOOST;
}
}
vp8_update_zbin_extra(cpi, x);
}
cpi->count_mb_ref_frame_usage[xd->mode_info_context->mbmi.ref_frame] ++;
if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME)
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{
vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
if (xd->mode_info_context->mbmi.mode == B_PRED)
{
vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);
}
else
{
vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
}
sum_intra_stats(cpi, x);
}
else
{
int ref_fb_idx;
vp8_build_uvmvs(xd, cpi->common.full_pixel);
if (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)
ref_fb_idx = cpi->common.lst_fb_idx;
else if (xd->mode_info_context->mbmi.ref_frame == GOLDEN_FRAME)
ref_fb_idx = cpi->common.gld_fb_idx;
else
ref_fb_idx = cpi->common.alt_fb_idx;
xd->pre.y_buffer = cpi->common.yv12_fb[ref_fb_idx].y_buffer + recon_yoffset;
xd->pre.u_buffer = cpi->common.yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
xd->pre.v_buffer = cpi->common.yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
if (!x->skip)
{
vp8_encode_inter16x16(IF_RTCD(&cpi->rtcd), x);
// Clear mb_skip_coeff if mb_no_coeff_skip is not set
if (!cpi->common.mb_no_coeff_skip)
xd->mode_info_context->mbmi.mb_skip_coeff = 0;
}
else
vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer,
xd->dst.u_buffer, xd->dst.v_buffer,
xd->dst.y_stride, xd->dst.uv_stride);
}
if (!x->skip)
vp8_tokenize_mb(cpi, xd, t);
else
{
if (cpi->common.mb_no_coeff_skip)
{
xd->mode_info_context->mbmi.mb_skip_coeff = 1;
cpi->skip_true_count ++;
vp8_fix_contexts(xd);
}
else
{
vp8_stuff_mb(cpi, xd, t);
xd->mode_info_context->mbmi.mb_skip_coeff = 0;
cpi->skip_false_count ++;
}
}
return rate;
}