1300 lines
39 KiB
C
1300 lines
39 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_ports/config.h"
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#include "encodemb.h"
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#include "encodemv.h"
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#include "vp8/common/common.h"
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#include "onyx_int.h"
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#include "vp8/common/extend.h"
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#include "vp8/common/entropymode.h"
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#include "vp8/common/quant_common.h"
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#include "segmentation.h"
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#include "vp8/common/setupintrarecon.h"
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#include "encodeintra.h"
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#include "vp8/common/reconinter.h"
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#include "rdopt.h"
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#include "pickinter.h"
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#include "vp8/common/findnearmv.h"
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#include "vp8/common/reconintra.h"
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#include <stdio.h>
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#include <limits.h>
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#include "vp8/common/subpixel.h"
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#include "vpx_ports/vpx_timer.h"
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#if CONFIG_RUNTIME_CPU_DETECT
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#define RTCD(x) &cpi->common.rtcd.x
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#define IF_RTCD(x) (x)
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#else
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#define RTCD(x) NULL
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#define IF_RTCD(x) NULL
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#endif
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extern void vp8_stuff_mb(VP8_COMP *cpi, MACROBLOCKD *x, TOKENEXTRA **t) ;
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extern void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex);
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extern void vp8_auto_select_speed(VP8_COMP *cpi);
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extern void vp8cx_init_mbrthread_data(VP8_COMP *cpi,
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MACROBLOCK *x,
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MB_ROW_COMP *mbr_ei,
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int mb_row,
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int count);
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void vp8_build_block_offsets(MACROBLOCK *x);
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void vp8_setup_block_ptrs(MACROBLOCK *x);
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int vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t, int recon_yoffset, int recon_uvoffset);
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int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t);
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#ifdef MODE_STATS
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unsigned int inter_y_modes[10] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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unsigned int inter_uv_modes[4] = {0, 0, 0, 0};
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unsigned int inter_b_modes[15] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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unsigned int y_modes[5] = {0, 0, 0, 0, 0};
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unsigned int uv_modes[4] = {0, 0, 0, 0};
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unsigned int b_modes[14] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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#endif
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/* activity_avg must be positive, or flat regions could get a zero weight
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* (infinite lambda), which confounds analysis.
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* This also avoids the need for divide by zero checks in
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* vp8_activity_masking().
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*/
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#define VP8_ACTIVITY_AVG_MIN (64)
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/* This is used as a reference when computing the source variance for the
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* purposes of activity masking.
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* Eventually this should be replaced by custom no-reference routines,
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* which will be faster.
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*/
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static const unsigned char VP8_VAR_OFFS[16]=
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{
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128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128
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};
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// Original activity measure from Tim T's code.
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static unsigned int tt_activity_measure( VP8_COMP *cpi, MACROBLOCK *x )
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{
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unsigned int act;
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unsigned int sse;
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int sum;
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/* TODO: This could also be done over smaller areas (8x8), but that would
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* require extensive changes elsewhere, as lambda is assumed to be fixed
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* over an entire MB in most of the code.
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* Another option is to compute four 8x8 variances, and pick a single
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* lambda using a non-linear combination (e.g., the smallest, or second
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* smallest, etc.).
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*/
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VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16var)(x->src.y_buffer,
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x->src.y_stride, VP8_VAR_OFFS, 0, &sse, &sum);
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/* This requires a full 32 bits of precision. */
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act = (sse<<8) - sum*sum;
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/* Drop 4 to give us some headroom to work with. */
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act = (act + 8) >> 4;
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/* If the region is flat, lower the activity some more. */
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if (act < 8<<12)
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act = act < 5<<12 ? act : 5<<12;
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return act;
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}
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// Stub for alternative experimental activity measures.
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static unsigned int alt_activity_measure( VP8_COMP *cpi, MACROBLOCK *x )
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{
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unsigned int mb_activity = VP8_ACTIVITY_AVG_MIN;
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x->e_mbd.mode_info_context->mbmi.mode = DC_PRED;
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x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
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x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
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vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
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mb_activity = VARIANCE_INVOKE(&cpi->rtcd.variance, getmbss)(x->src_diff);
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return mb_activity;
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}
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// Measure the activity of the current macroblock
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// What we measure here is TBD so abstracted to this function
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static unsigned int mb_activity_measure( VP8_COMP *cpi, MACROBLOCK *x )
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{
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unsigned int mb_activity;
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if ( 1 )
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{
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// Original activity measure from Tim T's code.
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mb_activity = tt_activity_measure( cpi, x );
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}
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else
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{
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// Or use and alternative.
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mb_activity = alt_activity_measure( cpi, x );
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}
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return mb_activity;
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}
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// Calculate an "average" mb activity value for the frame
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static void calc_av_activity( VP8_COMP *cpi, INT64 activity_sum )
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{
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// Simple mean for now
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cpi->activity_avg = (unsigned int)(activity_sum/cpi->common.MBs);
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if (cpi->activity_avg < VP8_ACTIVITY_AVG_MIN)
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cpi->activity_avg = VP8_ACTIVITY_AVG_MIN;
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}
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#define OUTPUT_NORM_ACT_STATS 0
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// Calculate a normalized activity value for each mb
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static void calc_norm_activity( VP8_COMP *cpi, MACROBLOCK *x )
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{
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VP8_COMMON *const cm = & cpi->common;
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int mb_row, mb_col;
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unsigned int act;
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unsigned int a;
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unsigned int b;
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#if OUTPUT_NORM_ACT_STATS
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FILE *f = fopen("norm_act.stt", "a");
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fprintf(f, "\n");
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#endif
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// Reset pointers to start of activity map
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x->mb_activity_ptr = cpi->mb_activity_map;
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x->mb_norm_activity_ptr = cpi->mb_norm_activity_map;
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// Calculate normalized mb activity number.
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for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
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{
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// for each macroblock col in image
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for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
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{
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// Read activity from the map
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act = *(x->mb_activity_ptr);
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// Calculate a normalized activity number
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a = act + 2*cpi->activity_avg;
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b = 2*act + cpi->activity_avg;
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if ( b >= a )
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*(x->mb_norm_activity_ptr) = (int)((b + (a>>1))/a);
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else
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*(x->mb_norm_activity_ptr) = -(int)((a + (b>>1))/b);
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if ( *(x->mb_norm_activity_ptr) == 0 )
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{
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*(x->mb_norm_activity_ptr) = 1;
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}
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#if OUTPUT_NORM_ACT_STATS
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fprintf(f, " %6d", *(x->mb_norm_activity_ptr));
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#endif
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// Increment activity map pointers
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x->mb_activity_ptr++;
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x->mb_norm_activity_ptr++;
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}
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#if OUTPUT_NORM_ACT_STATS
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fprintf(f, "\n");
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#endif
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}
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#if OUTPUT_NORM_ACT_STATS
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fclose(f);
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#endif
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}
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// Loop through all MBs. Note activity of each, average activity and
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// calculate a normalized activity for each
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static void build_activity_map( VP8_COMP *cpi )
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{
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MACROBLOCK *const x = & cpi->mb;
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VP8_COMMON *const cm = & cpi->common;
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int mb_row, mb_col;
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unsigned int mb_activity;
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INT64 activity_sum = 0;
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// Initialise source buffer pointer
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x->src = *cpi->Source;
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// Set pointer to start of activity map
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x->mb_activity_ptr = cpi->mb_activity_map;
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// for each macroblock row in image
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for (mb_row = 0; mb_row < cm->mb_rows; mb_row++)
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{
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// for each macroblock col in image
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for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
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{
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// measure activity
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mb_activity = mb_activity_measure( cpi, x );
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// Keep frame sum
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activity_sum += mb_activity;
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// Store MB level activity details.
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*x->mb_activity_ptr = mb_activity;
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// Increment activity map pointer
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x->mb_activity_ptr++;
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// adjust to the next column of source macroblocks
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x->src.y_buffer += 16;
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}
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// adjust to the next row of mbs
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x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
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}
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// Calculate an "average" MB activity
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calc_av_activity(cpi, activity_sum);
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// Calculate a normalized activity number of each mb
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calc_norm_activity( cpi, x );
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}
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// Activity masking based on Tim T's original code
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void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x)
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{
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unsigned int a;
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unsigned int b;
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unsigned int act = *(x->mb_activity_ptr);
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// Apply the masking to the RD multiplier.
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a = act + 2*cpi->activity_avg;
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b = 2*act + cpi->activity_avg;
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//tmp = (unsigned int)(((INT64)tmp*b + (a>>1))/a);
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x->rdmult = (unsigned int)(((INT64)x->rdmult*b + (a>>1))/a);
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// For now now zbin adjustment on mode choice
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x->act_zbin_adj = 0;
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}
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// Stub function to use a normalized activity measure stored at mb level.
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void vp8_norm_activity_masking(VP8_COMP *cpi, MACROBLOCK *x)
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{
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int norm_act;
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norm_act = *(x->mb_norm_activity_ptr);
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if (norm_act > 0)
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x->rdmult = norm_act * (x->rdmult);
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else
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x->rdmult = -(x->rdmult / norm_act);
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// For now now zbin adjustment on mode choice
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x->act_zbin_adj = 0;
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}
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static
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void encode_mb_row(VP8_COMP *cpi,
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VP8_COMMON *cm,
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int mb_row,
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MACROBLOCK *x,
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MACROBLOCKD *xd,
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TOKENEXTRA **tp,
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int *segment_counts,
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int *totalrate)
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{
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int i;
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int recon_yoffset, recon_uvoffset;
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int mb_col;
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int ref_fb_idx = cm->lst_fb_idx;
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int dst_fb_idx = cm->new_fb_idx;
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int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride;
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int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride;
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int map_index = (mb_row * cpi->common.mb_cols);
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#if CONFIG_MULTITHREAD
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const int nsync = cpi->mt_sync_range;
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const int rightmost_col = cm->mb_cols - 1;
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volatile const int *last_row_current_mb_col;
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if ((cpi->b_multi_threaded != 0) && (mb_row != 0))
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last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1];
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else
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last_row_current_mb_col = &rightmost_col;
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#endif
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// reset above block coeffs
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xd->above_context = cm->above_context;
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xd->up_available = (mb_row != 0);
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recon_yoffset = (mb_row * recon_y_stride * 16);
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recon_uvoffset = (mb_row * recon_uv_stride * 8);
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cpi->tplist[mb_row].start = *tp;
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//printf("Main mb_row = %d\n", mb_row);
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// Distance of Mb to the top & bottom edges, specified in 1/8th pel
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// units as they are always compared to values that are in 1/8th pel units
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xd->mb_to_top_edge = -((mb_row * 16) << 3);
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xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
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// Set up limit values for vertical motion vector components
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// to prevent them extending beyond the UMV borders
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x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16));
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x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16)
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+ (VP8BORDERINPIXELS - 16);
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// Set the mb activity pointer to the start of the row.
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x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
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x->mb_norm_activity_ptr = &cpi->mb_norm_activity_map[map_index];
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// for each macroblock col in image
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for (mb_col = 0; mb_col < cm->mb_cols; mb_col++)
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{
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// Distance of Mb to the left & right edges, specified in
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// 1/8th pel units as they are always compared to values
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// that are in 1/8th pel units
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xd->mb_to_left_edge = -((mb_col * 16) << 3);
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xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
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// Set up limit values for horizontal motion vector components
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// to prevent them extending beyond the UMV borders
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x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16));
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x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16)
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+ (VP8BORDERINPIXELS - 16);
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xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset;
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xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset;
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xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset;
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xd->left_available = (mb_col != 0);
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x->rddiv = cpi->RDDIV;
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x->rdmult = cpi->RDMULT;
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#if CONFIG_MULTITHREAD
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if ((cpi->b_multi_threaded != 0) && (mb_row != 0))
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{
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if ((mb_col & (nsync - 1)) == 0)
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{
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while (mb_col > (*last_row_current_mb_col - nsync)
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&& (*last_row_current_mb_col) != (cm->mb_cols - 1))
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{
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x86_pause_hint();
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thread_sleep(0);
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}
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}
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}
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#endif
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if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
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vp8_activity_masking(cpi, x);
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// Is segmentation enabled
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// MB level adjutment to quantizer
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if (xd->segmentation_enabled)
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{
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// Code to set segment id in xd->mbmi.segment_id for current MB (with range checking)
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if (cpi->segmentation_map[map_index+mb_col] <= 3)
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xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[map_index+mb_col];
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else
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xd->mode_info_context->mbmi.segment_id = 0;
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vp8cx_mb_init_quantizer(cpi, x);
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}
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else
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xd->mode_info_context->mbmi.segment_id = 0; // Set to Segment 0 by default
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x->active_ptr = cpi->active_map + map_index + mb_col;
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if (cm->frame_type == KEY_FRAME)
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{
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*totalrate += vp8cx_encode_intra_macro_block(cpi, x, tp);
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#ifdef MODE_STATS
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y_modes[xd->mbmi.mode] ++;
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#endif
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}
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else
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{
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*totalrate += vp8cx_encode_inter_macroblock(cpi, x, tp, recon_yoffset, recon_uvoffset);
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#ifdef MODE_STATS
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inter_y_modes[xd->mbmi.mode] ++;
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if (xd->mbmi.mode == SPLITMV)
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{
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int b;
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for (b = 0; b < xd->mbmi.partition_count; b++)
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{
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inter_b_modes[x->partition->bmi[b].mode] ++;
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}
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}
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#endif
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// Count of last ref frame 0,0 useage
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if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
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cpi->inter_zz_count ++;
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// Special case code for cyclic refresh
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// If cyclic update enabled then copy xd->mbmi.segment_id; (which may have been updated based on mode
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// during vp8cx_encode_inter_macroblock()) back into the global sgmentation map
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if (cpi->cyclic_refresh_mode_enabled && xd->segmentation_enabled)
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{
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cpi->segmentation_map[map_index+mb_col] = xd->mode_info_context->mbmi.segment_id;
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// 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):
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// 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)
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// else mark it as dirty (1).
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if (xd->mode_info_context->mbmi.segment_id)
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cpi->cyclic_refresh_map[map_index+mb_col] = -1;
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else if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
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{
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if (cpi->cyclic_refresh_map[map_index+mb_col] == 1)
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cpi->cyclic_refresh_map[map_index+mb_col] = 0;
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}
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else
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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++;
|
|
x->mb_norm_activity_ptr++;
|
|
|
|
if(cm->frame_type != INTRA_FRAME)
|
|
{
|
|
if (xd->mode_info_context->mbmi.mode != B_PRED)
|
|
{
|
|
for (i = 0; i < 16; i++)
|
|
xd->mode_info_context->bmi[i].mv.as_int = xd->block[i].bmi.mv.as_int;
|
|
}else
|
|
{
|
|
for (i = 0; i < 16; i++)
|
|
xd->mode_info_context->bmi[i].as_mode = xd->block[i].bmi.mode;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(xd->mode_info_context->mbmi.mode != B_PRED)
|
|
for (i = 0; i < 16; i++)
|
|
xd->mode_info_context->bmi[i].as_mode = xd->block[i].bmi.mode;
|
|
}
|
|
|
|
// adjust to the next column of macroblocks
|
|
x->src.y_buffer += 16;
|
|
x->src.u_buffer += 8;
|
|
x->src.v_buffer += 8;
|
|
|
|
recon_yoffset += 16;
|
|
recon_uvoffset += 8;
|
|
|
|
// Keep track of segment useage
|
|
segment_counts[xd->mode_info_context->mbmi.segment_id] ++;
|
|
|
|
// 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
|
|
}
|
|
|
|
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;
|
|
int segment_counts[MAX_MB_SEGMENTS];
|
|
int totalrate;
|
|
|
|
// 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);
|
|
}
|
|
|
|
x->gf_active_ptr = (signed char *)cpi->gf_active_flags; // Point to base of GF active flags data structure
|
|
|
|
x->vector_range = 32;
|
|
|
|
// Reset frame count of inter 0,0 motion vector useage.
|
|
cpi->inter_zz_count = 0;
|
|
|
|
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;
|
|
|
|
x->act_zbin_adj = 0;
|
|
|
|
#if 0
|
|
// Experimental code
|
|
cpi->frame_distortion = 0;
|
|
cpi->last_mb_distortion = 0;
|
|
#endif
|
|
|
|
totalrate = 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;
|
|
vp8_zero(cpi->MVcount);
|
|
// vp8_zero( Contexts)
|
|
vp8_zero(cpi->coef_counts);
|
|
|
|
// reset intra mode contexts
|
|
if (cm->frame_type == KEY_FRAME)
|
|
vp8_init_mbmode_probs(cm);
|
|
|
|
|
|
vp8cx_frame_init_quantizer(cpi);
|
|
|
|
if (cpi->compressor_speed == 2)
|
|
{
|
|
if (cpi->oxcf.cpu_used < 0)
|
|
cpi->Speed = -(cpi->oxcf.cpu_used);
|
|
else
|
|
vp8_auto_select_speed(cpi);
|
|
}
|
|
|
|
vp8_initialize_rd_consts(cpi, vp8_dc_quant(cm->base_qindex, cm->y1dc_delta_q));
|
|
vp8cx_initialize_me_consts(cpi, cm->base_qindex);
|
|
|
|
// 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 new 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);
|
|
|
|
if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
|
|
{
|
|
if(1)
|
|
{
|
|
// Build a frame level activity map
|
|
build_activity_map(cpi);
|
|
}
|
|
|
|
// Reset various MB pointers.
|
|
x->src = *cpi->Source;
|
|
x->mb_activity_ptr = cpi->mb_activity_map;
|
|
x->mb_norm_activity_ptr = cpi->mb_norm_activity_map;
|
|
}
|
|
|
|
{
|
|
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;
|
|
|
|
}
|
|
|
|
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;
|
|
|
|
// Set to defaults
|
|
vpx_memset(xd->mb_segment_tree_probs, 255 , sizeof(xd->mb_segment_tree_probs));
|
|
|
|
tot_count = segment_counts[0] + segment_counts[1] + segment_counts[2] + segment_counts[3];
|
|
|
|
if (tot_count)
|
|
{
|
|
xd->mb_segment_tree_probs[0] = ((segment_counts[0] + segment_counts[1]) * 255) / tot_count;
|
|
|
|
tot_count = segment_counts[0] + segment_counts[1];
|
|
|
|
if (tot_count > 0)
|
|
{
|
|
xd->mb_segment_tree_probs[1] = (segment_counts[0] * 255) / tot_count;
|
|
}
|
|
|
|
tot_count = segment_counts[2] + segment_counts[3];
|
|
|
|
if (tot_count > 0)
|
|
xd->mb_segment_tree_probs[2] = (segment_counts[2] * 255) / tot_count;
|
|
|
|
// Zero probabilities not allowed
|
|
for (i = 0; i < MB_FEATURE_TREE_PROBS; i ++)
|
|
{
|
|
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++)
|
|
{
|
|
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++)
|
|
{
|
|
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
|
|
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;
|
|
++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++)
|
|
{
|
|
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.
|
|
void adjust_act_zbin( VP8_COMP *cpi, int rate, MACROBLOCK *x )
|
|
{
|
|
INT64 act;
|
|
INT64 a;
|
|
INT64 b;
|
|
|
|
// Read activity from the map
|
|
act = (INT64)(*(x->mb_activity_ptr));
|
|
|
|
// Calculate a zbin adjustment for this mb
|
|
a = act + 4*cpi->activity_avg;
|
|
b = 4*act + cpi->activity_avg;
|
|
if ( b > a )
|
|
//x->act_zbin_adj = (char)((b * 8) / a) - 8;
|
|
x->act_zbin_adj = 8;
|
|
else
|
|
x->act_zbin_adj = 0;
|
|
|
|
// Tmp force to 0 to disable.
|
|
x->act_zbin_adj = 0;
|
|
|
|
}
|
|
|
|
int vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t)
|
|
{
|
|
int Error4x4, Error16x16;
|
|
int rate4x4, rate16x16, rateuv;
|
|
int dist4x4, dist16x16, distuv;
|
|
int rate = 0;
|
|
int rate4x4_tokenonly = 0;
|
|
int rate16x16_tokenonly = 0;
|
|
int rateuv_tokenonly = 0;
|
|
|
|
x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
|
|
|
|
if (cpi->sf.RD && cpi->compressor_speed != 2)
|
|
{
|
|
vp8_rd_pick_intra_mbuv_mode(cpi, x, &rateuv, &rateuv_tokenonly, &distuv);
|
|
rate += rateuv;
|
|
|
|
Error16x16 = vp8_rd_pick_intra16x16mby_mode(cpi, x, &rate16x16, &rate16x16_tokenonly, &dist16x16);
|
|
|
|
Error4x4 = vp8_rd_pick_intra4x4mby_modes(cpi, x, &rate4x4, &rate4x4_tokenonly, &dist4x4, Error16x16);
|
|
|
|
rate += (Error4x4 < Error16x16) ? rate4x4 : rate16x16;
|
|
|
|
if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
|
|
{
|
|
adjust_act_zbin( cpi, rate, x );
|
|
vp8_update_zbin_extra(cpi, x);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int rate2, best_distortion;
|
|
MB_PREDICTION_MODE mode, best_mode = DC_PRED;
|
|
int this_rd;
|
|
Error16x16 = INT_MAX;
|
|
|
|
vp8_pick_intra_mbuv_mode(x);
|
|
|
|
for (mode = DC_PRED; mode <= TM_PRED; mode ++)
|
|
{
|
|
int distortion2;
|
|
|
|
x->e_mbd.mode_info_context->mbmi.mode = mode;
|
|
RECON_INVOKE(&cpi->common.rtcd.recon, build_intra_predictors_mby)
|
|
(&x->e_mbd);
|
|
distortion2 = VARIANCE_INVOKE(&cpi->rtcd.variance, get16x16prederror)(x->src.y_buffer, x->src.y_stride, x->e_mbd.predictor, 16);
|
|
rate2 = x->mbmode_cost[x->e_mbd.frame_type][mode];
|
|
this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2);
|
|
|
|
if (Error16x16 > this_rd)
|
|
{
|
|
Error16x16 = this_rd;
|
|
best_mode = mode;
|
|
best_distortion = distortion2;
|
|
}
|
|
}
|
|
x->e_mbd.mode_info_context->mbmi.mode = best_mode;
|
|
|
|
Error4x4 = vp8_pick_intra4x4mby_modes(IF_RTCD(&cpi->rtcd), x, &rate2, &best_distortion);
|
|
}
|
|
|
|
if (Error4x4 < Error16x16)
|
|
{
|
|
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);
|
|
|
|
/* 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);
|
|
}
|
|
|
|
/* 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, rate, 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
|
|
if (cpi->zbin_mode_boost_enabled)
|
|
{
|
|
if ( xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME )
|
|
cpi->zbin_mode_boost = 0;
|
|
else
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
else
|
|
cpi->zbin_mode_boost = 0;
|
|
|
|
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)
|
|
{
|
|
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;
|
|
}
|