6d465faa34
Should fix B_PRED-related encoder/decoder mismatches. Change-Id: I16f808dffd19094e02e8562ba58cc1016155ce93
2323 lines
77 KiB
C
2323 lines
77 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 "vp8/common/reconintra4x4.h"
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#include "encodeintra.h"
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#include "vp8/common/reconinter.h"
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#include "vp8/common/invtrans.h"
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#include "rdopt.h"
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#include "vp8/common/findnearmv.h"
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#include "vp8/common/reconintra.h"
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#include "vp8/common/seg_common.h"
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#include "vpx_rtcd.h"
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#include <stdio.h>
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#include <math.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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#include "vp8/common/pred_common.h"
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#define DBG_PRNT_SEGMAP 0
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#if CONFIG_NEWBESTREFMV
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#include "vp8/common/mvref_common.h"
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#endif
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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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#ifdef ENC_DEBUG
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int enc_debug = 0;
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int mb_row_debug, mb_col_debug;
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#endif
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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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int64_t vp8_rd_pick_inter_mode_sb(VP8_COMP *cpi, MACROBLOCK *x,
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int recon_yoffset, int recon_uvoffset,
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int *returnrate, int *returndistortion);
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extern void vp8cx_pick_mode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x,
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int recon_yoffset,
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int recon_uvoffset, int *r, int *d);
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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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void vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
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int recon_yoffset, int recon_uvoffset,
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int output_enabled);
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void vp8cx_encode_inter_superblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
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int recon_yoffset, int recon_uvoffset, int mb_col, int mb_row);
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void vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x,
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TOKENEXTRA **t, int output_enabled);
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void vp8cx_encode_intra_super_block(VP8_COMP *cpi,
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MACROBLOCK *x,
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TOKENEXTRA **t, int mb_col);
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static void adjust_act_zbin(VP8_COMP *cpi, MACROBLOCK *x);
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#ifdef MODE_STATS
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unsigned int inter_y_modes[MB_MODE_COUNT];
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unsigned int inter_uv_modes[VP8_UV_MODES];
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unsigned int inter_b_modes[B_MODE_COUNT];
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unsigned int y_modes[VP8_YMODES];
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unsigned int i8x8_modes[VP8_I8X8_MODES];
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unsigned int uv_modes[VP8_UV_MODES];
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unsigned int uv_modes_y[VP8_YMODES][VP8_UV_MODES];
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unsigned int b_modes[B_MODE_COUNT];
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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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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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unsigned int act;
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unsigned int sse;
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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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act = vp8_variance16x16(x->src.y_buffer, x->src.y_stride, VP8_VAR_OFFS, 0,
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&sse);
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act = act << 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,
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MACROBLOCK *x, int use_dc_pred) {
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return vp8_encode_intra(cpi, x, use_dc_pred);
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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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#define ALT_ACT_MEASURE 1
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static unsigned int mb_activity_measure(VP8_COMP *cpi, MACROBLOCK *x,
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int mb_row, int mb_col) {
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unsigned int mb_activity;
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if (ALT_ACT_MEASURE) {
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int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
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// Or use and alternative.
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mb_activity = alt_activity_measure(cpi, x, use_dc_pred);
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} else {
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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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if (mb_activity < VP8_ACTIVITY_AVG_MIN)
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mb_activity = VP8_ACTIVITY_AVG_MIN;
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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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#define ACT_MEDIAN 0
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static void calc_av_activity(VP8_COMP *cpi, int64_t activity_sum) {
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#if ACT_MEDIAN
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// Find median: Simple n^2 algorithm for experimentation
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{
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unsigned int median;
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unsigned int i, j;
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unsigned int *sortlist;
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unsigned int tmp;
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// Create a list to sort to
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CHECK_MEM_ERROR(sortlist,
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vpx_calloc(sizeof(unsigned int),
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cpi->common.MBs));
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// Copy map to sort list
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vpx_memcpy(sortlist, cpi->mb_activity_map,
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sizeof(unsigned int) * cpi->common.MBs);
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// Ripple each value down to its correct position
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for (i = 1; i < cpi->common.MBs; i ++) {
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for (j = i; j > 0; j --) {
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if (sortlist[j] < sortlist[j - 1]) {
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// Swap values
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tmp = sortlist[j - 1];
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sortlist[j - 1] = sortlist[j];
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sortlist[j] = tmp;
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} else
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break;
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}
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}
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// Even number MBs so estimate median as mean of two either side.
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median = (1 + sortlist[cpi->common.MBs >> 1] +
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sortlist[(cpi->common.MBs >> 1) + 1]) >> 1;
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cpi->activity_avg = median;
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vpx_free(sortlist);
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}
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#else
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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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#endif
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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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// Experimental code: return fixed value normalized for several clips
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if (ALT_ACT_MEASURE)
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cpi->activity_avg = 100000;
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}
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#define USE_ACT_INDEX 0
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#define OUTPUT_NORM_ACT_STATS 0
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#if USE_ACT_INDEX
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// Calculate and activity index for each mb
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static void calc_activity_index(VP8_COMP *cpi, MACROBLOCK *x) {
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VP8_COMMON *const cm = &cpi->common;
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int mb_row, mb_col;
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int64_t act;
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int64_t a;
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int64_t 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%12d\n", cpi->activity_avg);
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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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// Calculate normalized mb activity number.
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for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
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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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// 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 + 4 * cpi->activity_avg;
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b = 4 * act + cpi->activity_avg;
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if (b >= a)
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*(x->activity_ptr) = (int)((b + (a >> 1)) / a) - 1;
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else
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*(x->activity_ptr) = 1 - (int)((a + (b >> 1)) / b);
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#if OUTPUT_NORM_ACT_STATS
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fprintf(f, " %6d", *(x->mb_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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}
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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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#endif
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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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MACROBLOCK *const x = &cpi->mb;
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MACROBLOCKD *xd = &x->e_mbd;
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VP8_COMMON *const cm = &cpi->common;
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#if ALT_ACT_MEASURE
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YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
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int recon_yoffset;
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int recon_y_stride = new_yv12->y_stride;
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#endif
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int mb_row, mb_col;
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unsigned int mb_activity;
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int64_t activity_sum = 0;
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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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#if ALT_ACT_MEASURE
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// reset above block coeffs
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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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#endif
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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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#if ALT_ACT_MEASURE
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xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
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xd->left_available = (mb_col != 0);
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recon_yoffset += 16;
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#endif
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// Copy current mb to a buffer
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vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
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// measure activity
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mb_activity = mb_activity_measure(cpi, x, mb_row, mb_col);
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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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#if ALT_ACT_MEASURE
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// extend the recon for intra prediction
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vp8_extend_mb_row(new_yv12, xd->dst.y_buffer + 16,
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xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
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#endif
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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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#if USE_ACT_INDEX
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// Calculate an activity index number of each mb
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calc_activity_index(cpi, x);
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#endif
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}
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// Macroblock activity masking
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void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x) {
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#if USE_ACT_INDEX
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x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
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x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
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x->errorperbit += (x->errorperbit == 0);
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#else
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int64_t a;
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int64_t b;
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int64_t 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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x->rdmult = (unsigned int)(((int64_t)x->rdmult * b + (a >> 1)) / a);
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x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
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x->errorperbit += (x->errorperbit == 0);
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#endif
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// Activity based Zbin adjustment
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adjust_act_zbin(cpi, x);
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}
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static void update_state(VP8_COMP *cpi, MACROBLOCK *x, PICK_MODE_CONTEXT *ctx) {
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int i;
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MACROBLOCKD *xd = &x->e_mbd;
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MODE_INFO *mi = &ctx->mic;
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MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
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int mb_mode = mi->mbmi.mode;
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int mb_mode_index = ctx->best_mode_index;
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#if CONFIG_DEBUG
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assert(mb_mode < MB_MODE_COUNT);
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assert(mb_mode_index < MAX_MODES);
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assert(mi->mbmi.ref_frame < MAX_REF_FRAMES);
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#endif
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// Restore the coding context of the MB to that that was in place
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// when the mode was picked for it
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vpx_memcpy(xd->mode_info_context, mi, sizeof(MODE_INFO));
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#if CONFIG_SUPERBLOCKS
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if (mi->mbmi.encoded_as_sb) {
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vpx_memcpy(xd->mode_info_context + 1, mi, sizeof(MODE_INFO));
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vpx_memcpy(xd->mode_info_context + cpi->common.mode_info_stride, mi, sizeof(MODE_INFO));
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vpx_memcpy(xd->mode_info_context + cpi->common.mode_info_stride + 1, mi, sizeof(MODE_INFO));
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}
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#endif
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if (mb_mode == B_PRED) {
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for (i = 0; i < 16; i++) {
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xd->block[i].bmi.as_mode = xd->mode_info_context->bmi[i].as_mode;
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assert(xd->block[i].bmi.as_mode.first < MB_MODE_COUNT);
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}
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} else if (mb_mode == I8X8_PRED) {
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for (i = 0; i < 16; i++) {
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xd->block[i].bmi = xd->mode_info_context->bmi[i];
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}
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} else if (mb_mode == SPLITMV) {
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vpx_memcpy(x->partition_info, &ctx->partition_info,
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sizeof(PARTITION_INFO));
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mbmi->mv[0].as_int = x->partition_info->bmi[15].mv.as_int;
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mbmi->mv[1].as_int = x->partition_info->bmi[15].second_mv.as_int;
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}
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{
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int segment_id = mbmi->segment_id;
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if (!segfeature_active(xd, segment_id, SEG_LVL_EOB) ||
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get_segdata(xd, segment_id, SEG_LVL_EOB)) {
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for (i = 0; i < NB_TXFM_MODES; i++) {
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cpi->rd_tx_select_diff[i] += ctx->txfm_rd_diff[i];
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}
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}
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}
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if (cpi->common.frame_type == KEY_FRAME) {
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// Restore the coding modes to that held in the coding context
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// if (mb_mode == B_PRED)
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// for (i = 0; i < 16; i++)
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// {
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// xd->block[i].bmi.as_mode =
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// xd->mode_info_context->bmi[i].as_mode;
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// assert(xd->mode_info_context->bmi[i].as_mode < MB_MODE_COUNT);
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// }
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#if CONFIG_INTERNAL_STATS
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static const int kf_mode_index[] = {
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THR_DC /*DC_PRED*/,
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THR_V_PRED /*V_PRED*/,
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THR_H_PRED /*H_PRED*/,
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THR_D45_PRED /*D45_PRED*/,
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THR_D135_PRED /*D135_PRED*/,
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THR_D117_PRED /*D117_PRED*/,
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THR_D153_PRED /*D153_PRED*/,
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THR_D27_PRED /*D27_PRED*/,
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THR_D63_PRED /*D63_PRED*/,
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THR_TM /*TM_PRED*/,
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THR_I8X8_PRED /*I8X8_PRED*/,
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THR_B_PRED /*B_PRED*/,
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};
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cpi->mode_chosen_counts[kf_mode_index[mb_mode]]++;
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#endif
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} else {
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/*
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// Reduce the activation RD thresholds for the best choice mode
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if ((cpi->rd_baseline_thresh[mb_mode_index] > 0) &&
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(cpi->rd_baseline_thresh[mb_mode_index] < (INT_MAX >> 2)))
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{
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int best_adjustment = (cpi->rd_thresh_mult[mb_mode_index] >> 2);
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cpi->rd_thresh_mult[mb_mode_index] =
|
|
(cpi->rd_thresh_mult[mb_mode_index]
|
|
>= (MIN_THRESHMULT + best_adjustment)) ?
|
|
cpi->rd_thresh_mult[mb_mode_index] - best_adjustment :
|
|
MIN_THRESHMULT;
|
|
cpi->rd_threshes[mb_mode_index] =
|
|
(cpi->rd_baseline_thresh[mb_mode_index] >> 7)
|
|
* cpi->rd_thresh_mult[mb_mode_index];
|
|
|
|
}
|
|
*/
|
|
// Note how often each mode chosen as best
|
|
cpi->mode_chosen_counts[mb_mode_index]++;
|
|
|
|
rd_update_mvcount(cpi, x, &ctx->best_ref_mv, &ctx->second_best_ref_mv);
|
|
|
|
cpi->prediction_error += ctx->distortion;
|
|
cpi->intra_error += ctx->intra_error;
|
|
|
|
cpi->rd_comp_pred_diff[0] += ctx->single_pred_diff;
|
|
cpi->rd_comp_pred_diff[1] += ctx->comp_pred_diff;
|
|
cpi->rd_comp_pred_diff[2] += ctx->hybrid_pred_diff;
|
|
}
|
|
}
|
|
|
|
static void pick_mb_modes(VP8_COMP *cpi,
|
|
VP8_COMMON *cm,
|
|
int mb_row,
|
|
int mb_col,
|
|
MACROBLOCK *x,
|
|
MACROBLOCKD *xd,
|
|
TOKENEXTRA **tp,
|
|
int *totalrate,
|
|
int *totaldist) {
|
|
int i;
|
|
int map_index;
|
|
int recon_yoffset, recon_uvoffset;
|
|
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;
|
|
ENTROPY_CONTEXT_PLANES left_context[2];
|
|
ENTROPY_CONTEXT_PLANES above_context[2];
|
|
ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
|
|
+ mb_col;
|
|
|
|
// Offsets to move pointers from MB to MB within a SB in raster order
|
|
int row_delta[4] = { 0, +1, 0, -1};
|
|
int col_delta[4] = { +1, -1, +1, +1};
|
|
|
|
/* Function should not modify L & A contexts; save and restore on exit */
|
|
vpx_memcpy(left_context,
|
|
cm->left_context,
|
|
sizeof(left_context));
|
|
vpx_memcpy(above_context,
|
|
initial_above_context_ptr,
|
|
sizeof(above_context));
|
|
|
|
/* Encode MBs in raster order within the SB */
|
|
for (i = 0; i < 4; i++) {
|
|
int dy = row_delta[i];
|
|
int dx = col_delta[i];
|
|
int offset_unextended = dy * cm->mb_cols + dx;
|
|
int offset_extended = dy * xd->mode_info_stride + dx;
|
|
MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
|
|
|
|
// TODO Many of the index items here can be computed more efficiently!
|
|
|
|
if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
|
|
// MB lies outside frame, move on
|
|
mb_row += dy;
|
|
mb_col += dx;
|
|
|
|
// Update pointers
|
|
x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
|
|
x->src.u_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
x->src.v_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
|
|
x->gf_active_ptr += offset_unextended;
|
|
x->partition_info += offset_extended;
|
|
xd->mode_info_context += offset_extended;
|
|
xd->prev_mode_info_context += offset_extended;
|
|
#if CONFIG_DEBUG
|
|
assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
|
|
(xd->mode_info_context - cpi->common.mip));
|
|
#endif
|
|
continue;
|
|
}
|
|
|
|
// Index of the MB in the SB 0..3
|
|
xd->mb_index = i;
|
|
|
|
map_index = (mb_row * cpi->common.mb_cols) + mb_col;
|
|
x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
|
|
|
|
// set above context pointer
|
|
xd->above_context = cm->above_context + mb_col;
|
|
|
|
// Restore the appropriate left context depending on which
|
|
// row in the SB the MB is situated
|
|
xd->left_context = cm->left_context + (i >> 1);
|
|
|
|
// Set up distance of MB to edge of frame in 1/8th pel units
|
|
xd->mb_to_top_edge = -((mb_row * 16) << 3);
|
|
xd->mb_to_left_edge = -((mb_col * 16) << 3);
|
|
xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
|
|
xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
|
|
|
|
// Set up limit values for MV components to prevent them from
|
|
// extending beyond the UMV borders assuming 16x16 block size
|
|
x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
|
(VP8BORDERINPIXELS - 16 - INTERP_EXTEND));
|
|
x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
|
(VP8BORDERINPIXELS - 16 - INTERP_EXTEND));
|
|
|
|
xd->up_available = (mb_row != 0);
|
|
xd->left_available = (mb_col != 0);
|
|
|
|
recon_yoffset = (mb_row * recon_y_stride * 16) + (mb_col * 16);
|
|
recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col * 8);
|
|
|
|
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;
|
|
|
|
// Copy current MB to a work buffer
|
|
vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
|
|
|
|
x->rddiv = cpi->RDDIV;
|
|
x->rdmult = cpi->RDMULT;
|
|
|
|
if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
|
|
vp8_activity_masking(cpi, x);
|
|
|
|
// Is segmentation enabled
|
|
if (xd->segmentation_enabled) {
|
|
// Code to set segment id in xd->mbmi.segment_id
|
|
if (xd->update_mb_segmentation_map)
|
|
mbmi->segment_id = cpi->segmentation_map[map_index];
|
|
else
|
|
mbmi->segment_id = cm->last_frame_seg_map[map_index];
|
|
if (mbmi->segment_id > 3)
|
|
mbmi->segment_id = 0;
|
|
|
|
vp8cx_mb_init_quantizer(cpi, x);
|
|
} else
|
|
// Set to Segment 0 by default
|
|
mbmi->segment_id = 0;
|
|
|
|
x->active_ptr = cpi->active_map + map_index;
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
xd->mode_info_context->mbmi.encoded_as_sb = 0;
|
|
#endif
|
|
|
|
cpi->update_context = 0; // TODO Do we need this now??
|
|
|
|
vp8_intra_prediction_down_copy(xd, mb_col == cm->mb_cols - 1 &&
|
|
(mb_row & 1) == 0);
|
|
|
|
// Find best coding mode & reconstruct the MB so it is available
|
|
// as a predictor for MBs that follow in the SB
|
|
if (cm->frame_type == KEY_FRAME) {
|
|
int r, d;
|
|
vp8_rd_pick_intra_mode(cpi, x, &r, &d);
|
|
*totalrate += r;
|
|
*totaldist += d;
|
|
|
|
// Dummy encode, do not do the tokenization
|
|
vp8cx_encode_intra_macro_block(cpi, x, tp, 0);
|
|
// Note the encoder may have changed the segment_id
|
|
|
|
// Save the coding context
|
|
vpx_memcpy(&x->mb_context[i].mic, xd->mode_info_context,
|
|
sizeof(MODE_INFO));
|
|
} else {
|
|
int seg_id, r, d;
|
|
|
|
if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
|
|
!segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
|
|
segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
|
|
check_segref(xd, 1, INTRA_FRAME) +
|
|
check_segref(xd, 1, LAST_FRAME) +
|
|
check_segref(xd, 1, GOLDEN_FRAME) +
|
|
check_segref(xd, 1, ALTREF_FRAME) == 1) {
|
|
cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
|
|
} else {
|
|
cpi->seg0_progress = (((mb_col & ~1) * 2 + (mb_row & ~1) * cm->mb_cols + i) << 16) / cm->MBs;
|
|
}
|
|
|
|
vp8cx_pick_mode_inter_macroblock(cpi, x, recon_yoffset,
|
|
recon_uvoffset, &r, &d);
|
|
*totalrate += r;
|
|
*totaldist += d;
|
|
|
|
// Dummy encode, do not do the tokenization
|
|
vp8cx_encode_inter_macroblock(cpi, x, tp,
|
|
recon_yoffset, recon_uvoffset, 0);
|
|
|
|
seg_id = mbmi->segment_id;
|
|
if (cpi->mb.e_mbd.segmentation_enabled && seg_id == 0) {
|
|
cpi->seg0_idx++;
|
|
}
|
|
if (!xd->segmentation_enabled ||
|
|
!segfeature_active(xd, seg_id, SEG_LVL_REF_FRAME) ||
|
|
check_segref(xd, seg_id, INTRA_FRAME) +
|
|
check_segref(xd, seg_id, LAST_FRAME) +
|
|
check_segref(xd, seg_id, GOLDEN_FRAME) +
|
|
check_segref(xd, seg_id, ALTREF_FRAME) > 1) {
|
|
// Get the prediction context and status
|
|
int pred_flag = get_pred_flag(xd, PRED_REF);
|
|
int pred_context = get_pred_context(cm, xd, PRED_REF);
|
|
|
|
// Count prediction success
|
|
cpi->ref_pred_count[pred_context][pred_flag]++;
|
|
}
|
|
}
|
|
|
|
// Next MB
|
|
mb_row += dy;
|
|
mb_col += dx;
|
|
|
|
x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
|
|
x->src.u_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
x->src.v_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
|
|
x->gf_active_ptr += offset_unextended;
|
|
x->partition_info += offset_extended;
|
|
xd->mode_info_context += offset_extended;
|
|
xd->prev_mode_info_context += offset_extended;
|
|
|
|
#if CONFIG_DEBUG
|
|
assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
|
|
(xd->mode_info_context - cpi->common.mip));
|
|
#endif
|
|
}
|
|
|
|
/* Restore L & A coding context to those in place on entry */
|
|
vpx_memcpy(cm->left_context,
|
|
left_context,
|
|
sizeof(left_context));
|
|
vpx_memcpy(initial_above_context_ptr,
|
|
above_context,
|
|
sizeof(above_context));
|
|
}
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
static void pick_sb_modes (VP8_COMP *cpi,
|
|
VP8_COMMON *cm,
|
|
int mb_row,
|
|
int mb_col,
|
|
MACROBLOCK *x,
|
|
MACROBLOCKD *xd,
|
|
TOKENEXTRA **tp,
|
|
int *totalrate,
|
|
int *totaldist)
|
|
{
|
|
int map_index;
|
|
int recon_yoffset, recon_uvoffset;
|
|
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;
|
|
ENTROPY_CONTEXT_PLANES left_context[2];
|
|
ENTROPY_CONTEXT_PLANES above_context[2];
|
|
ENTROPY_CONTEXT_PLANES *initial_above_context_ptr = cm->above_context
|
|
+ mb_col;
|
|
|
|
/* Function should not modify L & A contexts; save and restore on exit */
|
|
vpx_memcpy (left_context,
|
|
cm->left_context,
|
|
sizeof(left_context));
|
|
vpx_memcpy (above_context,
|
|
initial_above_context_ptr,
|
|
sizeof(above_context));
|
|
|
|
map_index = (mb_row * cpi->common.mb_cols) + mb_col;
|
|
x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
|
|
|
|
/* set above context pointer */
|
|
xd->above_context = cm->above_context + mb_col;
|
|
|
|
/* Restore the appropriate left context depending on which
|
|
* row in the SB the MB is situated */
|
|
xd->left_context = cm->left_context;
|
|
|
|
// Set up distance of MB to edge of frame in 1/8th pel units
|
|
xd->mb_to_top_edge = -((mb_row * 16) << 3);
|
|
xd->mb_to_left_edge = -((mb_col * 16) << 3);
|
|
xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
|
|
xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
|
|
|
|
/* Set up limit values for MV components to prevent them from
|
|
* extending beyond the UMV borders assuming 16x16 block size */
|
|
x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
|
(VP8BORDERINPIXELS - 32 - INTERP_EXTEND));
|
|
x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
|
(VP8BORDERINPIXELS - 32 - INTERP_EXTEND));
|
|
|
|
xd->up_available = (mb_row != 0);
|
|
xd->left_available = (mb_col != 0);
|
|
|
|
recon_yoffset = (mb_row * recon_y_stride * 16) + (mb_col * 16);
|
|
recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col * 8);
|
|
|
|
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;
|
|
#if 0 // FIXME
|
|
/* Copy current MB to a work buffer */
|
|
vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
|
|
#endif
|
|
x->rddiv = cpi->RDDIV;
|
|
x->rdmult = cpi->RDMULT;
|
|
if(cpi->oxcf.tuning == VP8_TUNE_SSIM)
|
|
vp8_activity_masking(cpi, x);
|
|
/* Is segmentation enabled */
|
|
if (xd->segmentation_enabled)
|
|
{
|
|
/* Code to set segment id in xd->mbmi.segment_id */
|
|
if (xd->update_mb_segmentation_map)
|
|
xd->mode_info_context->mbmi.segment_id =
|
|
cpi->segmentation_map[map_index] &&
|
|
cpi->segmentation_map[map_index + 1] &&
|
|
cpi->segmentation_map[map_index + cm->mb_cols] &&
|
|
cpi->segmentation_map[map_index + cm->mb_cols + 1];
|
|
else
|
|
xd->mode_info_context->mbmi.segment_id =
|
|
cm->last_frame_seg_map[map_index] &&
|
|
cm->last_frame_seg_map[map_index + 1] &&
|
|
cm->last_frame_seg_map[map_index + cm->mb_cols] &&
|
|
cm->last_frame_seg_map[map_index + cm->mb_cols + 1];
|
|
if (xd->mode_info_context->mbmi.segment_id > 3)
|
|
xd->mode_info_context->mbmi.segment_id = 0;
|
|
|
|
vp8cx_mb_init_quantizer(cpi, x);
|
|
}
|
|
else
|
|
/* Set to Segment 0 by default */
|
|
xd->mode_info_context->mbmi.segment_id = 0;
|
|
|
|
x->active_ptr = cpi->active_map + map_index;
|
|
|
|
cpi->update_context = 0; // TODO Do we need this now??
|
|
|
|
/* Find best coding mode & reconstruct the MB so it is available
|
|
* as a predictor for MBs that follow in the SB */
|
|
if (cm->frame_type == KEY_FRAME)
|
|
{
|
|
vp8_rd_pick_intra_mode_sb(cpi, x,
|
|
totalrate,
|
|
totaldist);
|
|
|
|
/* Save the coding context */
|
|
vpx_memcpy(&x->sb_context[0].mic, xd->mode_info_context,
|
|
sizeof(MODE_INFO));
|
|
}
|
|
else
|
|
{
|
|
if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
|
|
!segfeature_active( xd, 0, SEG_LVL_REF_FRAME ) &&
|
|
segfeature_active( xd, 1, SEG_LVL_REF_FRAME ) &&
|
|
check_segref(xd, 1, INTRA_FRAME) +
|
|
check_segref(xd, 1, LAST_FRAME) +
|
|
check_segref(xd, 1, GOLDEN_FRAME) +
|
|
check_segref(xd, 1, ALTREF_FRAME) == 1)
|
|
{
|
|
cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
|
|
}
|
|
else
|
|
{
|
|
cpi->seg0_progress =
|
|
(((mb_col & ~1) * 2 + (mb_row & ~1) * cm->mb_cols) << 16) / cm->MBs;
|
|
}
|
|
|
|
vp8_rd_pick_inter_mode_sb(cpi, x,
|
|
recon_yoffset,
|
|
recon_uvoffset,
|
|
totalrate,
|
|
totaldist);
|
|
}
|
|
|
|
/* Restore L & A coding context to those in place on entry */
|
|
vpx_memcpy (cm->left_context,
|
|
left_context,
|
|
sizeof(left_context));
|
|
vpx_memcpy (initial_above_context_ptr,
|
|
above_context,
|
|
sizeof(above_context));
|
|
}
|
|
#endif
|
|
|
|
static void encode_sb(VP8_COMP *cpi,
|
|
VP8_COMMON *cm,
|
|
int mbrow,
|
|
int mbcol,
|
|
MACROBLOCK *x,
|
|
MACROBLOCKD *xd,
|
|
TOKENEXTRA **tp) {
|
|
int i;
|
|
int map_index;
|
|
int mb_row, mb_col;
|
|
int recon_yoffset, recon_uvoffset;
|
|
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 row_delta[4] = { 0, +1, 0, -1};
|
|
int col_delta[4] = { +1, -1, +1, +1};
|
|
|
|
mb_row = mbrow;
|
|
mb_col = mbcol;
|
|
|
|
/* Encode MBs in raster order within the SB */
|
|
for (i = 0; i < 4; i++) {
|
|
int dy = row_delta[i];
|
|
int dx = col_delta[i];
|
|
int offset_extended = dy * xd->mode_info_stride + dx;
|
|
int offset_unextended = dy * cm->mb_cols + dx;
|
|
MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
|
|
|
|
if ((mb_row >= cm->mb_rows) || (mb_col >= cm->mb_cols)) {
|
|
// MB lies outside frame, move on
|
|
mb_row += dy;
|
|
mb_col += dx;
|
|
|
|
x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
|
|
x->src.u_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
x->src.v_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
|
|
x->gf_active_ptr += offset_unextended;
|
|
x->partition_info += offset_extended;
|
|
xd->mode_info_context += offset_extended;
|
|
xd->prev_mode_info_context += offset_extended;
|
|
|
|
#if CONFIG_DEBUG
|
|
assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
|
|
(xd->mode_info_context - cpi->common.mip));
|
|
#endif
|
|
continue;
|
|
}
|
|
|
|
xd->mb_index = i;
|
|
|
|
#ifdef ENC_DEBUG
|
|
enc_debug = (cpi->common.current_video_frame == 0 &&
|
|
mb_row == 0 && mb_col == 0);
|
|
mb_col_debug = mb_col;
|
|
mb_row_debug = mb_row;
|
|
#endif
|
|
|
|
// Restore MB state to that when it was picked
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (xd->mode_info_context->mbmi.encoded_as_sb) {
|
|
update_state(cpi, x, &x->sb_context[i]);
|
|
cpi->sb_count++;
|
|
} else
|
|
#endif
|
|
update_state(cpi, x, &x->mb_context[i]);
|
|
|
|
map_index = (mb_row * cpi->common.mb_cols) + mb_col;
|
|
x->mb_activity_ptr = &cpi->mb_activity_map[map_index];
|
|
|
|
// reset above block coeffs
|
|
xd->above_context = cm->above_context + mb_col;
|
|
xd->left_context = cm->left_context + (i >> 1);
|
|
|
|
// Set up distance of MB to edge of the frame in 1/8th pel units
|
|
xd->mb_to_top_edge = -((mb_row * 16) << 3);
|
|
xd->mb_to_left_edge = -((mb_col * 16) << 3);
|
|
xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3;
|
|
xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3;
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (xd->mode_info_context->mbmi.encoded_as_sb) {
|
|
// Set up limit values for MV components to prevent them from
|
|
// extending beyond the UMV borders assuming 32x32 block size
|
|
x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
|
(VP8BORDERINPIXELS - 32 - INTERP_EXTEND));
|
|
x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
|
(VP8BORDERINPIXELS - 32 - INTERP_EXTEND));
|
|
} else {
|
|
#endif
|
|
// Set up limit values for MV components to prevent them from
|
|
// extending beyond the UMV borders assuming 16x16 block size
|
|
x->mv_row_min = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_col_min = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND);
|
|
x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
|
(VP8BORDERINPIXELS - 16 - INTERP_EXTEND));
|
|
x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
|
(VP8BORDERINPIXELS - 16 - INTERP_EXTEND));
|
|
#if CONFIG_SUPERBLOCKS
|
|
}
|
|
#endif
|
|
|
|
xd->up_available = (mb_row != 0);
|
|
xd->left_available = (mb_col != 0);
|
|
|
|
recon_yoffset = (mb_row * recon_y_stride * 16) + (mb_col * 16);
|
|
recon_uvoffset = (mb_row * recon_uv_stride * 8) + (mb_col * 8);
|
|
|
|
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;
|
|
|
|
// Copy current MB to a work buffer
|
|
vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
|
|
|
|
if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
|
|
vp8_activity_masking(cpi, x);
|
|
|
|
// Is segmentation enabled
|
|
if (xd->segmentation_enabled) {
|
|
vp8cx_mb_init_quantizer(cpi, x);
|
|
}
|
|
|
|
x->active_ptr = cpi->active_map + map_index;
|
|
|
|
cpi->update_context = 0;
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (!xd->mode_info_context->mbmi.encoded_as_sb)
|
|
#endif
|
|
vp8_intra_prediction_down_copy(xd, mb_col == cm->mb_cols - 1 &&
|
|
(mb_row & 1) == 0);
|
|
|
|
if (cm->frame_type == KEY_FRAME) {
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (xd->mode_info_context->mbmi.encoded_as_sb)
|
|
vp8cx_encode_intra_super_block(cpi, x, tp, mb_col);
|
|
else
|
|
#endif
|
|
vp8cx_encode_intra_macro_block(cpi, x, tp, 1);
|
|
// Note the encoder may have changed the segment_id
|
|
|
|
#ifdef MODE_STATS
|
|
y_modes[mbmi->mode]++;
|
|
#endif
|
|
} else {
|
|
unsigned char *segment_id;
|
|
int seg_ref_active;
|
|
|
|
if (xd->mode_info_context->mbmi.ref_frame) {
|
|
unsigned char pred_context;
|
|
|
|
pred_context = get_pred_context(cm, xd, PRED_COMP);
|
|
|
|
if (xd->mode_info_context->mbmi.second_ref_frame == INTRA_FRAME)
|
|
cpi->single_pred_count[pred_context]++;
|
|
else
|
|
cpi->comp_pred_count[pred_context]++;
|
|
}
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (xd->mode_info_context->mbmi.encoded_as_sb)
|
|
vp8cx_encode_inter_superblock(cpi, x, tp, recon_yoffset, recon_uvoffset, mb_col, mb_row);
|
|
else
|
|
#endif
|
|
vp8cx_encode_inter_macroblock(cpi, x, tp,
|
|
recon_yoffset, recon_uvoffset, 1);
|
|
// Note the encoder may have changed the segment_id
|
|
|
|
#ifdef MODE_STATS
|
|
inter_y_modes[mbmi->mode]++;
|
|
|
|
if (mbmi->mode == SPLITMV) {
|
|
int b;
|
|
|
|
for (b = 0; b < x->partition_info->count; b++) {
|
|
inter_b_modes[x->partition_info->bmi[b].mode]++;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
// If we have just a single reference frame coded for a segment then
|
|
// exclude from the reference frame counts used to work out
|
|
// probabilities. NOTE: At the moment we dont support custom trees
|
|
// for the reference frame coding for each segment but this is a
|
|
// possible future action.
|
|
segment_id = &mbmi->segment_id;
|
|
seg_ref_active = segfeature_active(xd, *segment_id, SEG_LVL_REF_FRAME);
|
|
if (!seg_ref_active ||
|
|
((check_segref(xd, *segment_id, INTRA_FRAME) +
|
|
check_segref(xd, *segment_id, LAST_FRAME) +
|
|
check_segref(xd, *segment_id, GOLDEN_FRAME) +
|
|
check_segref(xd, *segment_id, ALTREF_FRAME)) > 1)) {
|
|
{
|
|
cpi->count_mb_ref_frame_usage[mbmi->ref_frame]++;
|
|
}
|
|
}
|
|
|
|
// Count of last ref frame 0,0 usage
|
|
if ((mbmi->mode == ZEROMV) && (mbmi->ref_frame == LAST_FRAME))
|
|
cpi->inter_zz_count++;
|
|
}
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (xd->mode_info_context->mbmi.encoded_as_sb) {
|
|
x->src.y_buffer += 32;
|
|
x->src.u_buffer += 16;
|
|
x->src.v_buffer += 16;
|
|
|
|
x->gf_active_ptr += 2;
|
|
x->partition_info += 2;
|
|
xd->mode_info_context += 2;
|
|
xd->prev_mode_info_context += 2;
|
|
|
|
(*tp)->Token = EOSB_TOKEN;
|
|
(*tp)++;
|
|
if (mb_row < cm->mb_rows) cpi->tplist[mb_row].stop = *tp;
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
// Next MB
|
|
mb_row += dy;
|
|
mb_col += dx;
|
|
|
|
x->src.y_buffer += 16 * (dx + dy * x->src.y_stride);
|
|
x->src.u_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
x->src.v_buffer += 8 * (dx + dy * x->src.uv_stride);
|
|
|
|
x->gf_active_ptr += offset_unextended;
|
|
x->partition_info += offset_extended;
|
|
xd->mode_info_context += offset_extended;
|
|
xd->prev_mode_info_context += offset_extended;
|
|
|
|
#if CONFIG_DEBUG
|
|
assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
|
|
(xd->mode_info_context - cpi->common.mip));
|
|
#endif
|
|
(*tp)->Token = EOSB_TOKEN;
|
|
(*tp)++;
|
|
if (mb_row < cm->mb_rows) cpi->tplist[mb_row].stop = *tp;
|
|
}
|
|
|
|
// debug output
|
|
#if DBG_PRNT_SEGMAP
|
|
{
|
|
FILE *statsfile;
|
|
statsfile = fopen("segmap2.stt", "a");
|
|
fprintf(statsfile, "\n");
|
|
fclose(statsfile);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static
|
|
void encode_sb_row(VP8_COMP *cpi,
|
|
VP8_COMMON *cm,
|
|
int mb_row,
|
|
MACROBLOCK *x,
|
|
MACROBLOCKD *xd,
|
|
TOKENEXTRA **tp,
|
|
int *totalrate) {
|
|
int mb_col;
|
|
int mb_cols = cm->mb_cols;
|
|
|
|
// Initialize the left context for the new SB row
|
|
vpx_memset(cm->left_context, 0, sizeof(cm->left_context));
|
|
|
|
// Code each SB in the row
|
|
for (mb_col = 0; mb_col < mb_cols; mb_col += 2) {
|
|
int mb_rate = 0, mb_dist = 0;
|
|
#if CONFIG_SUPERBLOCKS
|
|
int sb_rate = INT_MAX, sb_dist;
|
|
#endif
|
|
|
|
#if CONFIG_DEBUG
|
|
MODE_INFO *mic = xd->mode_info_context;
|
|
PARTITION_INFO *pi = x->partition_info;
|
|
signed char *gfa = x->gf_active_ptr;
|
|
unsigned char *yb = x->src.y_buffer;
|
|
unsigned char *ub = x->src.u_buffer;
|
|
unsigned char *vb = x->src.v_buffer;
|
|
#endif
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
// Pick modes assuming the SB is coded as 4 independent MBs
|
|
xd->mode_info_context->mbmi.encoded_as_sb = 0;
|
|
#endif
|
|
pick_mb_modes(cpi, cm, mb_row, mb_col, x, xd, tp, &mb_rate, &mb_dist);
|
|
#if CONFIG_SUPERBLOCKS
|
|
mb_rate += vp8_cost_bit(cm->sb_coded, 0);
|
|
#endif
|
|
|
|
x->src.y_buffer -= 32;
|
|
x->src.u_buffer -= 16;
|
|
x->src.v_buffer -= 16;
|
|
|
|
x->gf_active_ptr -= 2;
|
|
x->partition_info -= 2;
|
|
xd->mode_info_context -= 2;
|
|
xd->prev_mode_info_context -= 2;
|
|
|
|
#if CONFIG_DEBUG
|
|
assert(x->gf_active_ptr == gfa);
|
|
assert(x->partition_info == pi);
|
|
assert(xd->mode_info_context == mic);
|
|
assert(x->src.y_buffer == yb);
|
|
assert(x->src.u_buffer == ub);
|
|
assert(x->src.v_buffer == vb);
|
|
#endif
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (!((( mb_cols & 1) && mb_col == mb_cols - 1) ||
|
|
((cm->mb_rows & 1) && mb_row == cm->mb_rows - 1))) {
|
|
/* Pick a mode assuming that it applies to all 4 of the MBs in the SB */
|
|
xd->mode_info_context->mbmi.encoded_as_sb = 1;
|
|
pick_sb_modes(cpi, cm, mb_row, mb_col, x, xd, tp, &sb_rate, &sb_dist);
|
|
sb_rate += vp8_cost_bit(cm->sb_coded, 1);
|
|
}
|
|
|
|
/* Decide whether to encode as a SB or 4xMBs */
|
|
if (sb_rate < INT_MAX &&
|
|
RDCOST(x->rdmult, x->rddiv, sb_rate, sb_dist) <
|
|
RDCOST(x->rdmult, x->rddiv, mb_rate, mb_dist)) {
|
|
xd->mode_info_context->mbmi.encoded_as_sb = 1;
|
|
xd->mode_info_context[1].mbmi.encoded_as_sb = 1;
|
|
xd->mode_info_context[cm->mode_info_stride].mbmi.encoded_as_sb = 1;
|
|
xd->mode_info_context[1 + cm->mode_info_stride].mbmi.encoded_as_sb = 1;
|
|
*totalrate += sb_rate;
|
|
} else
|
|
#endif
|
|
{
|
|
#if CONFIG_SUPERBLOCKS
|
|
xd->mode_info_context->mbmi.encoded_as_sb = 0;
|
|
if (cm->mb_cols - 1 > mb_col)
|
|
xd->mode_info_context[1].mbmi.encoded_as_sb = 0;
|
|
if (cm->mb_rows - 1 > mb_row) {
|
|
xd->mode_info_context[cm->mode_info_stride].mbmi.encoded_as_sb = 0;
|
|
if (cm->mb_cols - 1 > mb_col)
|
|
xd->mode_info_context[1 + cm->mode_info_stride].mbmi.encoded_as_sb = 0;
|
|
}
|
|
#endif
|
|
*totalrate += mb_rate;
|
|
}
|
|
|
|
/* Encode SB using best computed mode(s) */
|
|
encode_sb(cpi, cm, mb_row, mb_col, x, xd, tp);
|
|
|
|
#if CONFIG_DEBUG
|
|
assert(x->gf_active_ptr == gfa + 2);
|
|
assert(x->partition_info == pi + 2);
|
|
assert(xd->mode_info_context == mic + 2);
|
|
assert(x->src.y_buffer == yb + 32);
|
|
assert(x->src.u_buffer == ub + 16);
|
|
assert(x->src.v_buffer == vb + 16);
|
|
#endif
|
|
}
|
|
|
|
// this is to account for the border
|
|
x->gf_active_ptr += mb_cols - (mb_cols & 0x1);
|
|
x->partition_info += xd->mode_info_stride + 1 - (mb_cols & 0x1);
|
|
xd->mode_info_context += xd->mode_info_stride + 1 - (mb_cols & 0x1);
|
|
xd->prev_mode_info_context += xd->mode_info_stride + 1 - (mb_cols & 0x1);
|
|
|
|
#if CONFIG_DEBUG
|
|
assert((xd->prev_mode_info_context - cpi->common.prev_mip) ==
|
|
(xd->mode_info_context - cpi->common.mip));
|
|
#endif
|
|
}
|
|
|
|
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->act_zbin_adj = 0;
|
|
cpi->seg0_idx = 0;
|
|
vpx_memset(cpi->ref_pred_count, 0, sizeof(cpi->ref_pred_count));
|
|
|
|
x->partition_info = x->pi;
|
|
|
|
xd->mode_info_context = cm->mi;
|
|
xd->mode_info_stride = cm->mode_info_stride;
|
|
xd->prev_mode_info_context = cm->prev_mi;
|
|
|
|
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 structures.
|
|
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;
|
|
|
|
vp8_zero(cpi->count_mb_ref_frame_usage)
|
|
vp8_zero(cpi->bmode_count)
|
|
vp8_zero(cpi->ymode_count)
|
|
vp8_zero(cpi->i8x8_mode_count)
|
|
vp8_zero(cpi->y_uv_mode_count)
|
|
vp8_zero(cpi->sub_mv_ref_count)
|
|
vp8_zero(cpi->mbsplit_count)
|
|
vp8_zero(cpi->common.fc.mv_ref_ct)
|
|
vp8_zero(cpi->common.fc.mv_ref_ct_a)
|
|
#if CONFIG_SUPERBLOCKS
|
|
vp8_zero(cpi->sb_ymode_count)
|
|
cpi->sb_count = 0;
|
|
#endif
|
|
// vp8_zero(cpi->uv_mode_count)
|
|
|
|
vpx_memset(cm->above_context, 0,
|
|
sizeof(ENTROPY_CONTEXT_PLANES) * cm->mb_cols);
|
|
|
|
xd->fullpixel_mask = 0xffffffff;
|
|
if (cm->full_pixel)
|
|
xd->fullpixel_mask = 0xfffffff8;
|
|
}
|
|
|
|
static void encode_frame_internal(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 totalrate;
|
|
|
|
//printf("encode_frame_internal\n");
|
|
|
|
// Compute a modified set of reference frame probabilities to use when
|
|
// prediction fails. These are based on the current general estimates for
|
|
// this frame which may be updated with each iteration of the recode loop.
|
|
compute_mod_refprobs(cm);
|
|
|
|
#if CONFIG_NEW_MVREF
|
|
// temp stats reset
|
|
vp8_zero( cpi->best_ref_index_counts );
|
|
#endif
|
|
|
|
// debug output
|
|
#if DBG_PRNT_SEGMAP
|
|
{
|
|
FILE *statsfile;
|
|
statsfile = fopen("segmap2.stt", "a");
|
|
fprintf(statsfile, "\n");
|
|
fclose(statsfile);
|
|
}
|
|
#endif
|
|
|
|
totalrate = 0;
|
|
|
|
// Functions setup for all frame types so we can use MC in AltRef
|
|
vp8_setup_interp_filters(xd, cm->mcomp_filter_type, cm);
|
|
|
|
// Reset frame count of inter 0,0 motion vector usage.
|
|
cpi->inter_zz_count = 0;
|
|
|
|
cpi->prediction_error = 0;
|
|
cpi->intra_error = 0;
|
|
cpi->skip_true_count[0] = cpi->skip_true_count[1] = cpi->skip_true_count[2] = 0;
|
|
cpi->skip_false_count[0] = cpi->skip_false_count[1] = cpi->skip_false_count[2] = 0;
|
|
|
|
#if CONFIG_PRED_FILTER
|
|
if (cm->current_video_frame == 0) {
|
|
// Initially assume that we'll signal the prediction filter
|
|
// state at the frame level and that it is off.
|
|
cpi->common.pred_filter_mode = 0;
|
|
cpi->common.prob_pred_filter_off = 128;
|
|
}
|
|
cpi->pred_filter_on_count = 0;
|
|
cpi->pred_filter_off_count = 0;
|
|
#endif
|
|
vp8_zero(cpi->switchable_interp_count);
|
|
|
|
xd->mode_info_context = cm->mi;
|
|
xd->prev_mode_info_context = cm->prev_mi;
|
|
|
|
vp8_zero(cpi->NMVcount);
|
|
vp8_zero(cpi->coef_counts);
|
|
vp8_zero(cpi->hybrid_coef_counts);
|
|
vp8_zero(cpi->coef_counts_8x8);
|
|
vp8_zero(cpi->hybrid_coef_counts_8x8);
|
|
vp8_zero(cpi->coef_counts_16x16);
|
|
vp8_zero(cpi->hybrid_coef_counts_16x16);
|
|
|
|
vp8cx_frame_init_quantizer(cpi);
|
|
|
|
vp8_initialize_rd_consts(cpi, cm->base_qindex + cm->y1dc_delta_q);
|
|
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);
|
|
|
|
vpx_memset(cpi->rd_comp_pred_diff, 0, sizeof(cpi->rd_comp_pred_diff));
|
|
vpx_memset(cpi->single_pred_count, 0, sizeof(cpi->single_pred_count));
|
|
vpx_memset(cpi->comp_pred_count, 0, sizeof(cpi->comp_pred_count));
|
|
vpx_memset(cpi->txfm_count, 0, sizeof(cpi->txfm_count));
|
|
vpx_memset(cpi->txfm_count_8x8p, 0, sizeof(cpi->txfm_count_8x8p));
|
|
vpx_memset(cpi->rd_tx_select_diff, 0, sizeof(cpi->rd_tx_select_diff));
|
|
{
|
|
struct vpx_usec_timer emr_timer;
|
|
vpx_usec_timer_start(&emr_timer);
|
|
|
|
{
|
|
// For each row of SBs in the frame
|
|
for (mb_row = 0; mb_row < cm->mb_rows; mb_row += 2) {
|
|
int offset = (cm->mb_cols + 1) & ~0x1;
|
|
|
|
encode_sb_row(cpi, cm, mb_row, x, xd, &tp, &totalrate);
|
|
|
|
// adjust to the next row of SBs
|
|
x->src.y_buffer += 32 * x->src.y_stride - 16 * offset;
|
|
x->src.u_buffer += 16 * x->src.uv_stride - 8 * offset;
|
|
x->src.v_buffer += 16 * x->src.uv_stride - 8 * offset;
|
|
}
|
|
|
|
cpi->tok_count = tp - cpi->tok;
|
|
}
|
|
|
|
vpx_usec_timer_mark(&emr_timer);
|
|
cpi->time_encode_mb_row += vpx_usec_timer_elapsed(&emr_timer);
|
|
|
|
}
|
|
|
|
// 256 rate units to the bit,
|
|
// projected_frame_size in units of BYTES
|
|
cpi->projected_frame_size = totalrate >> 8;
|
|
|
|
|
|
#if 0
|
|
// Keep record of the total distortion this time around for future use
|
|
cpi->last_frame_distortion = cpi->frame_distortion;
|
|
#endif
|
|
|
|
}
|
|
|
|
static int check_dual_ref_flags(VP8_COMP *cpi) {
|
|
MACROBLOCKD *xd = &cpi->mb.e_mbd;
|
|
int ref_flags = cpi->ref_frame_flags;
|
|
|
|
if (segfeature_active(xd, 1, SEG_LVL_REF_FRAME)) {
|
|
if ((ref_flags & (VP8_LAST_FLAG | VP8_GOLD_FLAG)) == (VP8_LAST_FLAG | VP8_GOLD_FLAG) &&
|
|
check_segref(xd, 1, LAST_FRAME))
|
|
return 1;
|
|
if ((ref_flags & (VP8_GOLD_FLAG | VP8_ALT_FLAG)) == (VP8_GOLD_FLAG | VP8_ALT_FLAG) &&
|
|
check_segref(xd, 1, GOLDEN_FRAME))
|
|
return 1;
|
|
if ((ref_flags & (VP8_ALT_FLAG | VP8_LAST_FLAG)) == (VP8_ALT_FLAG | VP8_LAST_FLAG) &&
|
|
check_segref(xd, 1, ALTREF_FRAME))
|
|
return 1;
|
|
return 0;
|
|
} else {
|
|
return (!!(ref_flags & VP8_GOLD_FLAG) +
|
|
!!(ref_flags & VP8_LAST_FLAG) +
|
|
!!(ref_flags & VP8_ALT_FLAG)) >= 2;
|
|
}
|
|
}
|
|
|
|
static void reset_skip_txfm_size(VP8_COMP *cpi, TX_SIZE txfm_max) {
|
|
VP8_COMMON *cm = &cpi->common;
|
|
int mb_row, mb_col, mis = cm->mode_info_stride;
|
|
MODE_INFO *mi, *mi_ptr = cm->mi;
|
|
MB_MODE_INFO *mbmi;
|
|
MACROBLOCK *x = &cpi->mb;
|
|
MACROBLOCKD *xd = &x->e_mbd;
|
|
|
|
for (mb_row = 0; mb_row < cm->mb_rows; mb_row++, mi_ptr += mis) {
|
|
mi = mi_ptr;
|
|
for (mb_col = 0; mb_col < cm->mb_cols; mb_col++, mi++) {
|
|
mbmi = &mi->mbmi;
|
|
if (mbmi->txfm_size > txfm_max) {
|
|
int segment_id = mbmi->segment_id;
|
|
xd->mode_info_context = mi;
|
|
assert((segfeature_active(xd, segment_id, SEG_LVL_EOB) &&
|
|
get_segdata(xd, segment_id, SEG_LVL_EOB) == 0) ||
|
|
(cm->mb_no_coeff_skip && mbmi->mb_skip_coeff));
|
|
mbmi->txfm_size = txfm_max;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void vp8_encode_frame(VP8_COMP *cpi) {
|
|
if (cpi->sf.RD) {
|
|
int i, frame_type, pred_type;
|
|
TXFM_MODE txfm_type;
|
|
|
|
/*
|
|
* This code does a single RD pass over the whole frame assuming
|
|
* either compound, single or hybrid prediction as per whatever has
|
|
* worked best for that type of frame in the past.
|
|
* It also predicts whether another coding mode would have worked
|
|
* better that this coding mode. If that is the case, it remembers
|
|
* that for subsequent frames.
|
|
* It does the same analysis for transform size selection also.
|
|
*/
|
|
if (cpi->common.frame_type == KEY_FRAME)
|
|
frame_type = 0;
|
|
else if (cpi->is_src_frame_alt_ref && cpi->common.refresh_golden_frame)
|
|
frame_type = 3;
|
|
else if (cpi->common.refresh_golden_frame || cpi->common.refresh_alt_ref_frame)
|
|
frame_type = 1;
|
|
else
|
|
frame_type = 2;
|
|
|
|
/* prediction (compound, single or hybrid) mode selection */
|
|
if (frame_type == 3)
|
|
pred_type = SINGLE_PREDICTION_ONLY;
|
|
else if (cpi->rd_prediction_type_threshes[frame_type][1] >
|
|
cpi->rd_prediction_type_threshes[frame_type][0] &&
|
|
cpi->rd_prediction_type_threshes[frame_type][1] >
|
|
cpi->rd_prediction_type_threshes[frame_type][2] &&
|
|
check_dual_ref_flags(cpi) && cpi->static_mb_pct == 100)
|
|
pred_type = COMP_PREDICTION_ONLY;
|
|
else if (cpi->rd_prediction_type_threshes[frame_type][0] >
|
|
cpi->rd_prediction_type_threshes[frame_type][2])
|
|
pred_type = SINGLE_PREDICTION_ONLY;
|
|
else
|
|
pred_type = HYBRID_PREDICTION;
|
|
|
|
/* transform size (4x4, 8x8, 16x16 or select-per-mb) selection */
|
|
#if CONFIG_LOSSLESS
|
|
if (cpi->oxcf.lossless) {
|
|
txfm_type = ONLY_4X4;
|
|
} else
|
|
#endif
|
|
/* FIXME (rbultje)
|
|
* this is a hack (no really), basically to work around the complete
|
|
* nonsense coefficient cost prediction for keyframes. The probabilities
|
|
* are reset to defaults, and thus we basically have no idea how expensive
|
|
* a 4x4 vs. 8x8 will really be. The result is that any estimate at which
|
|
* of the two is better is utterly bogus.
|
|
* I'd like to eventually remove this hack, but in order to do that, we
|
|
* need to move the frame reset code from the frame encode init to the
|
|
* bitstream write code, or alternatively keep a backup of the previous
|
|
* keyframe's probabilities as an estimate of what the current keyframe's
|
|
* coefficient cost distributions may look like. */
|
|
if (frame_type == 0) {
|
|
txfm_type = ALLOW_16X16;
|
|
} else
|
|
#if 0
|
|
/* FIXME (rbultje)
|
|
* this code is disabled for a similar reason as the code above; the
|
|
* problem is that each time we "revert" to 4x4 only (or even 8x8 only),
|
|
* the coefficient probabilities for 16x16 (and 8x8) start lagging behind,
|
|
* thus leading to them lagging further behind and not being chosen for
|
|
* subsequent frames either. This is essentially a local minimum problem
|
|
* that we can probably fix by estimating real costs more closely within
|
|
* a frame, perhaps by re-calculating costs on-the-fly as frame encoding
|
|
* progresses. */
|
|
if (cpi->rd_tx_select_threshes[frame_type][TX_MODE_SELECT] >
|
|
cpi->rd_tx_select_threshes[frame_type][ONLY_4X4] &&
|
|
cpi->rd_tx_select_threshes[frame_type][TX_MODE_SELECT] >
|
|
cpi->rd_tx_select_threshes[frame_type][ALLOW_16X16] &&
|
|
cpi->rd_tx_select_threshes[frame_type][TX_MODE_SELECT] >
|
|
cpi->rd_tx_select_threshes[frame_type][ALLOW_8X8]) {
|
|
txfm_type = TX_MODE_SELECT;
|
|
} else if (cpi->rd_tx_select_threshes[frame_type][ONLY_4X4] >
|
|
cpi->rd_tx_select_threshes[frame_type][ALLOW_8X8]
|
|
&& cpi->rd_tx_select_threshes[frame_type][ONLY_4X4] >
|
|
cpi->rd_tx_select_threshes[frame_type][ALLOW_16X16]
|
|
) {
|
|
txfm_type = ONLY_4X4;
|
|
} else if (cpi->rd_tx_select_threshes[frame_type][ALLOW_16X16] >=
|
|
cpi->rd_tx_select_threshes[frame_type][ALLOW_8X8]) {
|
|
txfm_type = ALLOW_16X16;
|
|
} else
|
|
txfm_type = ALLOW_8X8;
|
|
#else
|
|
txfm_type = cpi->rd_tx_select_threshes[frame_type][ALLOW_16X16] >=
|
|
cpi->rd_tx_select_threshes[frame_type][TX_MODE_SELECT] ?
|
|
ALLOW_16X16 : TX_MODE_SELECT;
|
|
#endif
|
|
cpi->common.txfm_mode = txfm_type;
|
|
if (txfm_type != TX_MODE_SELECT) {
|
|
cpi->common.prob_tx[0] = 128;
|
|
cpi->common.prob_tx[1] = 128;
|
|
}
|
|
cpi->common.comp_pred_mode = pred_type;
|
|
encode_frame_internal(cpi);
|
|
|
|
for (i = 0; i < NB_PREDICTION_TYPES; ++i) {
|
|
const int diff = cpi->rd_comp_pred_diff[i] / cpi->common.MBs;
|
|
cpi->rd_prediction_type_threshes[frame_type][i] += diff;
|
|
cpi->rd_prediction_type_threshes[frame_type][i] >>= 1;
|
|
}
|
|
|
|
for (i = 0; i < NB_TXFM_MODES; ++i) {
|
|
int64_t pd = cpi->rd_tx_select_diff[i];
|
|
int diff;
|
|
if (i == TX_MODE_SELECT)
|
|
pd -= RDCOST(cpi->mb.rdmult, cpi->mb.rddiv, 2048 * (TX_SIZE_MAX - 1), 0);
|
|
diff = pd / cpi->common.MBs;
|
|
cpi->rd_tx_select_threshes[frame_type][i] += diff;
|
|
cpi->rd_tx_select_threshes[frame_type][i] /= 2;
|
|
}
|
|
|
|
if (cpi->common.comp_pred_mode == HYBRID_PREDICTION) {
|
|
int single_count_zero = 0;
|
|
int comp_count_zero = 0;
|
|
|
|
for (i = 0; i < COMP_PRED_CONTEXTS; i++) {
|
|
single_count_zero += cpi->single_pred_count[i];
|
|
comp_count_zero += cpi->comp_pred_count[i];
|
|
}
|
|
|
|
if (comp_count_zero == 0) {
|
|
cpi->common.comp_pred_mode = SINGLE_PREDICTION_ONLY;
|
|
} else if (single_count_zero == 0) {
|
|
cpi->common.comp_pred_mode = COMP_PREDICTION_ONLY;
|
|
}
|
|
}
|
|
|
|
if (cpi->common.txfm_mode == TX_MODE_SELECT) {
|
|
const int count4x4 = cpi->txfm_count[TX_4X4] + cpi->txfm_count_8x8p[TX_4X4];
|
|
const int count8x8 = cpi->txfm_count[TX_8X8];
|
|
const int count8x8_8x8p = cpi->txfm_count_8x8p[TX_8X8];
|
|
const int count16x16 = cpi->txfm_count[TX_16X16];
|
|
|
|
if (count4x4 == 0 && count16x16 == 0) {
|
|
cpi->common.txfm_mode = ALLOW_8X8;
|
|
reset_skip_txfm_size(cpi, TX_8X8);
|
|
} else if (count8x8 == 0 && count16x16 == 0 && count8x8_8x8p == 0) {
|
|
cpi->common.txfm_mode = ONLY_4X4;
|
|
reset_skip_txfm_size(cpi, TX_4X4);
|
|
} else if (count8x8 == 0 && count4x4 == 0) {
|
|
cpi->common.txfm_mode = ALLOW_16X16;
|
|
}
|
|
}
|
|
} else {
|
|
encode_frame_internal(cpi);
|
|
}
|
|
|
|
}
|
|
|
|
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
|
|
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++) {
|
|
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];
|
|
++ uv_modes_y[m][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.as_mode.first];
|
|
} while (++b < 16);
|
|
}
|
|
|
|
if (m == I8X8_PRED) {
|
|
i8x8_modes[xd->block[0].bmi.as_mode.first]++;
|
|
i8x8_modes[xd->block[2].bmi.as_mode.first]++;
|
|
i8x8_modes[xd->block[8].bmi.as_mode.first]++;
|
|
i8x8_modes[xd->block[10].bmi.as_mode.first]++;
|
|
}
|
|
#endif
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
if (xd->mode_info_context->mbmi.encoded_as_sb) {
|
|
++cpi->sb_ymode_count[m];
|
|
} else
|
|
#endif
|
|
++cpi->ymode_count[m];
|
|
if (m != I8X8_PRED)
|
|
++cpi->y_uv_mode_count[m][uvm];
|
|
else {
|
|
cpi->i8x8_mode_count[xd->block[0].bmi.as_mode.first]++;
|
|
cpi->i8x8_mode_count[xd->block[2].bmi.as_mode.first]++;
|
|
cpi->i8x8_mode_count[xd->block[8].bmi.as_mode.first]++;
|
|
cpi->i8x8_mode_count[xd->block[10].bmi.as_mode.first]++;
|
|
}
|
|
if (m == B_PRED) {
|
|
int b = 0;
|
|
do {
|
|
++ cpi->bmode_count[xd->block[b].bmi.as_mode.first];
|
|
} while (++b < 16);
|
|
}
|
|
}
|
|
|
|
// 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_t a;
|
|
int64_t b;
|
|
int64_t 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_t)b + (a >> 1)) / a) - 1;
|
|
else
|
|
x->act_zbin_adj = 1 - (int)(((int64_t)a + (b >> 1)) / b);
|
|
#endif
|
|
}
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
static void update_sb_skip_coeff_state(VP8_COMP *cpi,
|
|
MACROBLOCK *x,
|
|
ENTROPY_CONTEXT_PLANES ta[4],
|
|
ENTROPY_CONTEXT_PLANES tl[4],
|
|
TOKENEXTRA *t[4],
|
|
TOKENEXTRA **tp,
|
|
int skip[4])
|
|
{
|
|
TOKENEXTRA tokens[4][16 * 24];
|
|
int n_tokens[4], n;
|
|
|
|
// if there were no skips, we don't need to do anything
|
|
if (!skip[0] && !skip[1] && !skip[2] && !skip[3])
|
|
return;
|
|
|
|
// if we don't do coeff skipping for this frame, we don't
|
|
// need to do anything here
|
|
if (!cpi->common.mb_no_coeff_skip)
|
|
return;
|
|
|
|
// if all 4 MBs skipped coeff coding, nothing to be done
|
|
if (skip[0] && skip[1] && skip[2] && skip[3])
|
|
return;
|
|
|
|
// so the situation now is that we want to skip coeffs
|
|
// for some MBs, but not all, and we didn't code EOB
|
|
// coefficients for them. However, the skip flag for this
|
|
// SB will be 0 overall, so we need to insert EOBs in the
|
|
// middle of the token tree. Do so here.
|
|
n_tokens[0] = t[1] - t[0];
|
|
n_tokens[1] = t[2] - t[1];
|
|
n_tokens[2] = t[3] - t[2];
|
|
n_tokens[3] = *tp - t[3];
|
|
if (n_tokens[0])
|
|
memcpy(tokens[0], t[0], n_tokens[0] * sizeof(*t[0]));
|
|
if (n_tokens[1])
|
|
memcpy(tokens[1], t[1], n_tokens[1] * sizeof(*t[0]));
|
|
if (n_tokens[2])
|
|
memcpy(tokens[2], t[2], n_tokens[2] * sizeof(*t[0]));
|
|
if (n_tokens[3])
|
|
memcpy(tokens[3], t[3], n_tokens[3] * sizeof(*t[0]));
|
|
|
|
// reset pointer, stuff EOBs where necessary
|
|
*tp = t[0];
|
|
for (n = 0; n < 4; n++) {
|
|
if (skip[n]) {
|
|
x->e_mbd.above_context = &ta[n];
|
|
x->e_mbd.left_context = &tl[n];
|
|
vp8_stuff_mb(cpi, &x->e_mbd, tp, 0);
|
|
} else {
|
|
if (n_tokens[n]) {
|
|
memcpy(*tp, tokens[n], sizeof(*t[0]) * n_tokens[n]);
|
|
}
|
|
(*tp) += n_tokens[n];
|
|
}
|
|
}
|
|
}
|
|
|
|
void vp8cx_encode_intra_super_block(VP8_COMP *cpi,
|
|
MACROBLOCK *x,
|
|
TOKENEXTRA **t,
|
|
int mb_col) {
|
|
const int output_enabled = 1;
|
|
int n;
|
|
MACROBLOCKD *xd = &x->e_mbd;
|
|
VP8_COMMON *cm = &cpi->common;
|
|
const uint8_t *src = x->src.y_buffer;
|
|
uint8_t *dst = xd->dst.y_buffer;
|
|
const uint8_t *usrc = x->src.u_buffer;
|
|
uint8_t *udst = xd->dst.u_buffer;
|
|
const uint8_t *vsrc = x->src.v_buffer;
|
|
uint8_t *vdst = xd->dst.v_buffer;
|
|
int src_y_stride = x->src.y_stride, dst_y_stride = xd->dst.y_stride;
|
|
int src_uv_stride = x->src.uv_stride, dst_uv_stride = xd->dst.uv_stride;
|
|
const VP8_ENCODER_RTCD *rtcd = IF_RTCD(&cpi->rtcd);
|
|
TOKENEXTRA *tp[4];
|
|
int skip[4];
|
|
MODE_INFO *mi = x->e_mbd.mode_info_context;
|
|
ENTROPY_CONTEXT_PLANES ta[4], tl[4];
|
|
|
|
if ((cpi->oxcf.tuning == VP8_TUNE_SSIM) && output_enabled) {
|
|
adjust_act_zbin(cpi, x);
|
|
vp8_update_zbin_extra(cpi, x);
|
|
}
|
|
|
|
vp8_build_intra_predictors_sby_s(&x->e_mbd);
|
|
vp8_build_intra_predictors_sbuv_s(&x->e_mbd);
|
|
|
|
assert(x->e_mbd.mode_info_context->mbmi.txfm_size == TX_8X8);
|
|
for (n = 0; n < 4; n++)
|
|
{
|
|
int x_idx = n & 1, y_idx = n >> 1;
|
|
|
|
xd->above_context = cm->above_context + mb_col + (n & 1);
|
|
xd->left_context = cm->left_context + (n >> 1);
|
|
|
|
vp8_subtract_mby_s_c(x->src_diff,
|
|
src + x_idx * 16 + y_idx * 16 * src_y_stride,
|
|
src_y_stride,
|
|
dst + x_idx * 16 + y_idx * 16 * dst_y_stride,
|
|
dst_y_stride);
|
|
vp8_subtract_mbuv_s_c(x->src_diff,
|
|
usrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
|
|
vsrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
|
|
src_uv_stride,
|
|
udst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
|
|
vdst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
|
|
dst_uv_stride);
|
|
vp8_transform_mb_8x8(x);
|
|
vp8_quantize_mb_8x8(x);
|
|
if (x->optimize) {
|
|
vp8_optimize_mby_8x8(x, rtcd);
|
|
vp8_optimize_mbuv_8x8(x, rtcd);
|
|
}
|
|
vp8_inverse_transform_mb_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
|
|
vp8_recon_mby_s_c(&x->e_mbd, dst + x_idx * 16 + y_idx * 16 * dst_y_stride);
|
|
vp8_recon_mbuv_s_c(&x->e_mbd,
|
|
udst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
|
|
vdst + x_idx * 8 + y_idx * 8 * dst_uv_stride);
|
|
|
|
if (output_enabled) {
|
|
memcpy(&ta[n], xd->above_context, sizeof(ta[n]));
|
|
memcpy(&tl[n], xd->left_context, sizeof(tl[n]));
|
|
tp[n] = *t;
|
|
xd->mode_info_context = mi + x_idx + y_idx * cm->mode_info_stride;
|
|
vp8_tokenize_mb(cpi, &x->e_mbd, t, 0);
|
|
skip[n] = xd->mode_info_context->mbmi.mb_skip_coeff;
|
|
}
|
|
}
|
|
|
|
if (output_enabled) {
|
|
// Tokenize
|
|
xd->mode_info_context = mi;
|
|
sum_intra_stats(cpi, x);
|
|
update_sb_skip_coeff_state(cpi, x, ta, tl, tp, t, skip);
|
|
}
|
|
}
|
|
#endif /* CONFIG_SUPERBLOCKS */
|
|
|
|
void vp8cx_encode_intra_macro_block(VP8_COMP *cpi,
|
|
MACROBLOCK *x,
|
|
TOKENEXTRA **t,
|
|
int output_enabled) {
|
|
MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi;
|
|
if ((cpi->oxcf.tuning == VP8_TUNE_SSIM) && output_enabled) {
|
|
adjust_act_zbin(cpi, x);
|
|
vp8_update_zbin_extra(cpi, x);
|
|
}
|
|
if (mbmi->mode == I8X8_PRED) {
|
|
vp8_encode_intra8x8mby(IF_RTCD(&cpi->rtcd), x);
|
|
vp8_encode_intra8x8mbuv(IF_RTCD(&cpi->rtcd), x);
|
|
} else if (mbmi->mode == B_PRED) {
|
|
vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);
|
|
} else {
|
|
vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
|
|
}
|
|
|
|
if (mbmi->mode != I8X8_PRED) {
|
|
vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
|
|
}
|
|
|
|
if (output_enabled) {
|
|
int segment_id = mbmi->segment_id;
|
|
|
|
// Tokenize
|
|
sum_intra_stats(cpi, x);
|
|
vp8_tokenize_mb(cpi, &x->e_mbd, t, 0);
|
|
|
|
if (cpi->common.txfm_mode == TX_MODE_SELECT &&
|
|
!((cpi->common.mb_no_coeff_skip && mbmi->mb_skip_coeff) ||
|
|
(segfeature_active(&x->e_mbd, segment_id, SEG_LVL_EOB) &&
|
|
get_segdata(&x->e_mbd, segment_id, SEG_LVL_EOB) == 0))) {
|
|
if (mbmi->mode != B_PRED && mbmi->mode != I8X8_PRED) {
|
|
cpi->txfm_count[mbmi->txfm_size]++;
|
|
} else if (mbmi->mode == I8X8_PRED) {
|
|
cpi->txfm_count_8x8p[mbmi->txfm_size]++;
|
|
}
|
|
} else if (cpi->common.txfm_mode >= ALLOW_16X16 && mbmi->mode <= TM_PRED) {
|
|
mbmi->txfm_size = TX_16X16;
|
|
} else
|
|
if (cpi->common.txfm_mode >= ALLOW_8X8 && mbmi->mode != B_PRED) {
|
|
mbmi->txfm_size = TX_8X8;
|
|
} else {
|
|
mbmi->txfm_size = TX_4X4;
|
|
}
|
|
}
|
|
#if CONFIG_NEWBESTREFMV
|
|
else
|
|
vp8_tokenize_mb(cpi, &x->e_mbd, t, 1);
|
|
#endif
|
|
}
|
|
#ifdef SPEEDSTATS
|
|
extern int cnt_pm;
|
|
#endif
|
|
|
|
extern void vp8_fix_contexts(MACROBLOCKD *xd);
|
|
|
|
void vp8cx_encode_inter_macroblock (VP8_COMP *cpi, MACROBLOCK *x,
|
|
TOKENEXTRA **t, int recon_yoffset,
|
|
int recon_uvoffset, int output_enabled) {
|
|
VP8_COMMON *cm = &cpi->common;
|
|
MACROBLOCKD *const xd = &x->e_mbd;
|
|
MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
|
|
unsigned char *segment_id = &mbmi->segment_id;
|
|
int seg_ref_active;
|
|
unsigned char ref_pred_flag;
|
|
|
|
x->skip = 0;
|
|
#if CONFIG_SUPERBLOCKS
|
|
assert(!xd->mode_info_context->mbmi.encoded_as_sb);
|
|
#endif
|
|
|
|
vp8_setup_interp_filters(xd, mbmi->interp_filter, cm);
|
|
if (cpi->oxcf.tuning == VP8_TUNE_SSIM) {
|
|
// Adjust the zbin based on this MB rate.
|
|
adjust_act_zbin(cpi, x);
|
|
}
|
|
|
|
{
|
|
// Experimental code. Special case for gf and arf zeromv modes.
|
|
// Increase zbin size to suppress noise
|
|
cpi->zbin_mode_boost = 0;
|
|
if (cpi->zbin_mode_boost_enabled) {
|
|
if (mbmi->ref_frame != INTRA_FRAME) {
|
|
if (mbmi->mode == ZEROMV) {
|
|
if (mbmi->ref_frame != LAST_FRAME)
|
|
cpi->zbin_mode_boost = GF_ZEROMV_ZBIN_BOOST;
|
|
else
|
|
cpi->zbin_mode_boost = LF_ZEROMV_ZBIN_BOOST;
|
|
} else if (mbmi->mode == SPLITMV)
|
|
cpi->zbin_mode_boost = 0;
|
|
else
|
|
cpi->zbin_mode_boost = MV_ZBIN_BOOST;
|
|
}
|
|
}
|
|
|
|
vp8_update_zbin_extra(cpi, x);
|
|
}
|
|
|
|
seg_ref_active = segfeature_active(xd, *segment_id, SEG_LVL_REF_FRAME);
|
|
|
|
// SET VARIOUS PREDICTION FLAGS
|
|
|
|
// Did the chosen reference frame match its predicted value.
|
|
ref_pred_flag = ((mbmi->ref_frame == get_pred_ref(cm, xd)));
|
|
set_pred_flag(xd, PRED_REF, ref_pred_flag);
|
|
|
|
if (mbmi->ref_frame == INTRA_FRAME) {
|
|
if (mbmi->mode == B_PRED) {
|
|
vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
|
|
vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x);
|
|
} else if (mbmi->mode == I8X8_PRED) {
|
|
vp8_encode_intra8x8mby(IF_RTCD(&cpi->rtcd), x);
|
|
vp8_encode_intra8x8mbuv(IF_RTCD(&cpi->rtcd), x);
|
|
} else {
|
|
vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x);
|
|
vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x);
|
|
}
|
|
|
|
if (output_enabled)
|
|
sum_intra_stats(cpi, x);
|
|
} else {
|
|
int ref_fb_idx;
|
|
|
|
if (mbmi->ref_frame == LAST_FRAME)
|
|
ref_fb_idx = cpi->common.lst_fb_idx;
|
|
else if (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 (mbmi->second_ref_frame) {
|
|
int second_ref_fb_idx;
|
|
|
|
if (mbmi->second_ref_frame == LAST_FRAME)
|
|
second_ref_fb_idx = cpi->common.lst_fb_idx;
|
|
else if (mbmi->second_ref_frame == GOLDEN_FRAME)
|
|
second_ref_fb_idx = cpi->common.gld_fb_idx;
|
|
else
|
|
second_ref_fb_idx = cpi->common.alt_fb_idx;
|
|
|
|
xd->second_pre.y_buffer = cpi->common.yv12_fb[second_ref_fb_idx].y_buffer +
|
|
recon_yoffset;
|
|
xd->second_pre.u_buffer = cpi->common.yv12_fb[second_ref_fb_idx].u_buffer +
|
|
recon_uvoffset;
|
|
xd->second_pre.v_buffer = cpi->common.yv12_fb[second_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)
|
|
mbmi->mb_skip_coeff = 0;
|
|
|
|
} else {
|
|
vp8_build_1st_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) {
|
|
#ifdef ENC_DEBUG
|
|
if (enc_debug) {
|
|
int i;
|
|
printf("Segment=%d [%d, %d]: %d %d:\n", mbmi->segment_id, mb_col_debug,
|
|
mb_row_debug, xd->mb_to_left_edge, xd->mb_to_top_edge);
|
|
for (i = 0; i < 400; i++) {
|
|
printf("%3d ", xd->qcoeff[i]);
|
|
if (i % 16 == 15) printf("\n");
|
|
}
|
|
printf("\n");
|
|
printf("eobs = ");
|
|
for (i = 0; i < 25; i++)
|
|
printf("%d:%d ", i, xd->block[i].eob);
|
|
printf("\n");
|
|
fflush(stdout);
|
|
}
|
|
#endif
|
|
|
|
vp8_tokenize_mb(cpi, xd, t, !output_enabled);
|
|
|
|
#ifdef ENC_DEBUG
|
|
if (enc_debug) {
|
|
printf("Tokenized\n");
|
|
fflush(stdout);
|
|
}
|
|
#endif
|
|
} else {
|
|
int mb_skip_context =
|
|
cpi->common.mb_no_coeff_skip ?
|
|
(x->e_mbd.mode_info_context - 1)->mbmi.mb_skip_coeff +
|
|
(x->e_mbd.mode_info_context - cpi->common.mode_info_stride)->mbmi.mb_skip_coeff :
|
|
0;
|
|
if (cpi->common.mb_no_coeff_skip) {
|
|
mbmi->mb_skip_coeff = 1;
|
|
if (output_enabled)
|
|
cpi->skip_true_count[mb_skip_context]++;
|
|
vp8_fix_contexts(xd);
|
|
} else {
|
|
vp8_stuff_mb(cpi, xd, t, !output_enabled);
|
|
mbmi->mb_skip_coeff = 0;
|
|
if (output_enabled)
|
|
cpi->skip_false_count[mb_skip_context]++;
|
|
}
|
|
}
|
|
|
|
if (output_enabled) {
|
|
int segment_id = mbmi->segment_id;
|
|
if (cpi->common.txfm_mode == TX_MODE_SELECT &&
|
|
!((cpi->common.mb_no_coeff_skip && mbmi->mb_skip_coeff) ||
|
|
(segfeature_active(&x->e_mbd, segment_id, SEG_LVL_EOB) &&
|
|
get_segdata(&x->e_mbd, segment_id, SEG_LVL_EOB) == 0))) {
|
|
if (mbmi->mode != B_PRED && mbmi->mode != I8X8_PRED &&
|
|
mbmi->mode != SPLITMV) {
|
|
cpi->txfm_count[mbmi->txfm_size]++;
|
|
} else if (mbmi->mode == I8X8_PRED ||
|
|
(mbmi->mode == SPLITMV &&
|
|
mbmi->partitioning != PARTITIONING_4X4)) {
|
|
cpi->txfm_count_8x8p[mbmi->txfm_size]++;
|
|
}
|
|
} else if (mbmi->mode != B_PRED && mbmi->mode != I8X8_PRED &&
|
|
mbmi->mode != SPLITMV && cpi->common.txfm_mode >= ALLOW_16X16) {
|
|
mbmi->txfm_size = TX_16X16;
|
|
} else if (mbmi->mode != B_PRED &&
|
|
!(mbmi->mode == SPLITMV &&
|
|
mbmi->partitioning == PARTITIONING_4X4) &&
|
|
cpi->common.txfm_mode >= ALLOW_8X8) {
|
|
mbmi->txfm_size = TX_8X8;
|
|
} else {
|
|
mbmi->txfm_size = TX_4X4;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if CONFIG_SUPERBLOCKS
|
|
void vp8cx_encode_inter_superblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
|
|
int recon_yoffset, int recon_uvoffset, int mb_col, int mb_row) {
|
|
const int output_enabled = 1;
|
|
VP8_COMMON *cm = &cpi->common;
|
|
MACROBLOCKD *xd = &x->e_mbd;
|
|
const uint8_t *src = x->src.y_buffer;
|
|
uint8_t *dst = xd->dst.y_buffer;
|
|
const uint8_t *usrc = x->src.u_buffer;
|
|
uint8_t *udst = xd->dst.u_buffer;
|
|
const uint8_t *vsrc = x->src.v_buffer;
|
|
uint8_t *vdst = xd->dst.v_buffer;
|
|
int src_y_stride = x->src.y_stride, dst_y_stride = xd->dst.y_stride;
|
|
int src_uv_stride = x->src.uv_stride, dst_uv_stride = xd->dst.uv_stride;
|
|
const VP8_ENCODER_RTCD *rtcd = IF_RTCD(&cpi->rtcd);
|
|
unsigned int segment_id = xd->mode_info_context->mbmi.segment_id;
|
|
int seg_ref_active;
|
|
unsigned char ref_pred_flag;
|
|
int n;
|
|
TOKENEXTRA *tp[4];
|
|
int skip[4];
|
|
MODE_INFO *mi = x->e_mbd.mode_info_context;
|
|
ENTROPY_CONTEXT_PLANES ta[4], tl[4];
|
|
|
|
x->skip = 0;
|
|
|
|
if (cpi->oxcf.tuning == VP8_TUNE_SSIM) {
|
|
// Adjust the zbin based on this MB rate.
|
|
adjust_act_zbin(cpi, x);
|
|
}
|
|
|
|
{
|
|
// Experimental code. Special case for gf and arf zeromv modes.
|
|
// Increase zbin size to suppress 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);
|
|
}
|
|
|
|
seg_ref_active = segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME);
|
|
|
|
// SET VARIOUS PREDICTION FLAGS
|
|
|
|
// Did the chosen reference frame match its predicted value.
|
|
ref_pred_flag = ((xd->mode_info_context->mbmi.ref_frame ==
|
|
get_pred_ref(cm, xd)));
|
|
set_pred_flag(xd, PRED_REF, ref_pred_flag);
|
|
|
|
if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) {
|
|
vp8_build_intra_predictors_sby_s(&x->e_mbd);
|
|
vp8_build_intra_predictors_sbuv_s(&x->e_mbd);
|
|
} else {
|
|
int ref_fb_idx;
|
|
|
|
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 (xd->mode_info_context->mbmi.second_ref_frame) {
|
|
int second_ref_fb_idx;
|
|
|
|
if (xd->mode_info_context->mbmi.second_ref_frame == LAST_FRAME)
|
|
second_ref_fb_idx = cpi->common.lst_fb_idx;
|
|
else if (xd->mode_info_context->mbmi.second_ref_frame == GOLDEN_FRAME)
|
|
second_ref_fb_idx = cpi->common.gld_fb_idx;
|
|
else
|
|
second_ref_fb_idx = cpi->common.alt_fb_idx;
|
|
|
|
xd->second_pre.y_buffer = cpi->common.yv12_fb[second_ref_fb_idx].y_buffer +
|
|
recon_yoffset;
|
|
xd->second_pre.u_buffer = cpi->common.yv12_fb[second_ref_fb_idx].u_buffer +
|
|
recon_uvoffset;
|
|
xd->second_pre.v_buffer = cpi->common.yv12_fb[second_ref_fb_idx].v_buffer +
|
|
recon_uvoffset;
|
|
}
|
|
|
|
vp8_build_inter32x32_predictors_sb(xd, xd->dst.y_buffer,
|
|
xd->dst.u_buffer, xd->dst.v_buffer,
|
|
xd->dst.y_stride, xd->dst.uv_stride);
|
|
}
|
|
|
|
assert(x->e_mbd.mode_info_context->mbmi.txfm_size == TX_8X8);
|
|
for (n = 0; n < 4; n++)
|
|
{
|
|
int x_idx = n & 1, y_idx = n >> 1;
|
|
|
|
vp8_subtract_mby_s_c(x->src_diff,
|
|
src + x_idx * 16 + y_idx * 16 * src_y_stride,
|
|
src_y_stride,
|
|
dst + x_idx * 16 + y_idx * 16 * dst_y_stride,
|
|
dst_y_stride);
|
|
vp8_subtract_mbuv_s_c(x->src_diff,
|
|
usrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
|
|
vsrc + x_idx * 8 + y_idx * 8 * src_uv_stride,
|
|
src_uv_stride,
|
|
udst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
|
|
vdst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
|
|
dst_uv_stride);
|
|
vp8_transform_mb_8x8(x);
|
|
vp8_quantize_mb_8x8(x);
|
|
if (x->optimize) {
|
|
vp8_optimize_mby_8x8(x, rtcd);
|
|
vp8_optimize_mbuv_8x8(x, rtcd);
|
|
}
|
|
vp8_inverse_transform_mb_8x8(IF_RTCD(&rtcd->common->idct), &x->e_mbd);
|
|
vp8_recon_mby_s_c( &x->e_mbd,
|
|
dst + x_idx * 16 + y_idx * 16 * dst_y_stride);
|
|
vp8_recon_mbuv_s_c(&x->e_mbd,
|
|
udst + x_idx * 8 + y_idx * 8 * dst_uv_stride,
|
|
vdst + x_idx * 8 + y_idx * 8 * dst_uv_stride);
|
|
|
|
if (!x->skip) {
|
|
if (output_enabled) {
|
|
xd->left_context = cm->left_context + (n >> 1);
|
|
xd->above_context = cm->above_context + mb_col + (n >> 1);
|
|
memcpy(&ta[n], xd->above_context, sizeof(ta[n]));
|
|
memcpy(&tl[n], xd->left_context, sizeof(tl[n]));
|
|
tp[n] = *t;
|
|
xd->mode_info_context = mi + x_idx + y_idx * cm->mode_info_stride;
|
|
vp8_tokenize_mb(cpi, &x->e_mbd, t, 0);
|
|
skip[n] = xd->mode_info_context->mbmi.mb_skip_coeff;
|
|
}
|
|
} else {
|
|
int mb_skip_context =
|
|
cpi->common.mb_no_coeff_skip ?
|
|
(x->e_mbd.mode_info_context - 1)->mbmi.mb_skip_coeff +
|
|
(x->e_mbd.mode_info_context - cpi->common.mode_info_stride)->mbmi.mb_skip_coeff :
|
|
0;
|
|
if (cpi->common.mb_no_coeff_skip) {
|
|
skip[n] = xd->mode_info_context->mbmi.mb_skip_coeff = 1;
|
|
xd->left_context = cm->left_context + (n >> 1);
|
|
xd->above_context = cm->above_context + mb_col + (n >> 1);
|
|
memcpy(&ta[n], xd->above_context, sizeof(ta[n]));
|
|
memcpy(&tl[n], xd->left_context, sizeof(tl[n]));
|
|
tp[n] = *t;
|
|
cpi->skip_true_count[mb_skip_context]++;
|
|
vp8_fix_contexts(xd);
|
|
} else {
|
|
vp8_stuff_mb(cpi, xd, t, 0);
|
|
xd->mode_info_context->mbmi.mb_skip_coeff = 0;
|
|
cpi->skip_false_count[mb_skip_context]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
xd->mode_info_context = mi;
|
|
update_sb_skip_coeff_state(cpi, x, ta, tl, tp, t, skip);
|
|
}
|
|
#endif
|