| Index: source/libvpx/vp9/encoder/vp9_encodeframe.c
|
| ===================================================================
|
| --- source/libvpx/vp9/encoder/vp9_encodeframe.c (revision 0)
|
| +++ source/libvpx/vp9/encoder/vp9_encodeframe.c (revision 0)
|
| @@ -0,0 +1,2471 @@
|
| +/*
|
| + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
|
| + *
|
| + * Use of this source code is governed by a BSD-style license
|
| + * that can be found in the LICENSE file in the root of the source
|
| + * tree. An additional intellectual property rights grant can be found
|
| + * in the file PATENTS. All contributing project authors may
|
| + * be found in the AUTHORS file in the root of the source tree.
|
| + */
|
| +
|
| +
|
| +#include "vpx_ports/config.h"
|
| +#include "vp9/encoder/vp9_encodeframe.h"
|
| +#include "vp9/encoder/vp9_encodemb.h"
|
| +#include "vp9/encoder/vp9_encodemv.h"
|
| +#include "vp9/common/vp9_common.h"
|
| +#include "vp9/encoder/vp9_onyx_int.h"
|
| +#include "vp9/common/vp9_extend.h"
|
| +#include "vp9/common/vp9_entropymode.h"
|
| +#include "vp9/common/vp9_quant_common.h"
|
| +#include "vp9/encoder/vp9_segmentation.h"
|
| +#include "vp9/common/vp9_setupintrarecon.h"
|
| +#include "vp9/common/vp9_reconintra4x4.h"
|
| +#include "vp9/encoder/vp9_encodeintra.h"
|
| +#include "vp9/common/vp9_reconinter.h"
|
| +#include "vp9/common/vp9_invtrans.h"
|
| +#include "vp9/encoder/vp9_rdopt.h"
|
| +#include "vp9/common/vp9_findnearmv.h"
|
| +#include "vp9/common/vp9_reconintra.h"
|
| +#include "vp9/common/vp9_seg_common.h"
|
| +#include "vp9/encoder/vp9_tokenize.h"
|
| +#include "vp9_rtcd.h"
|
| +#include <stdio.h>
|
| +#include <math.h>
|
| +#include <limits.h>
|
| +#include "vpx_ports/vpx_timer.h"
|
| +#include "vp9/common/vp9_pred_common.h"
|
| +#include "vp9/common/vp9_mvref_common.h"
|
| +
|
| +#define DBG_PRNT_SEGMAP 0
|
| +
|
| +// #define ENC_DEBUG
|
| +#ifdef ENC_DEBUG
|
| +int enc_debug = 0;
|
| +#endif
|
| +
|
| +static void encode_macroblock(VP9_COMP *cpi, MACROBLOCK *x,
|
| + TOKENEXTRA **t, int recon_yoffset,
|
| + int recon_uvoffset, int output_enabled,
|
| + int mb_col, int mb_row);
|
| +
|
| +static void encode_superblock(VP9_COMP *cpi, MACROBLOCK *x,
|
| + TOKENEXTRA **t, int recon_yoffset,
|
| + int recon_uvoffset, int mb_col, int mb_row);
|
| +
|
| +static void adjust_act_zbin(VP9_COMP *cpi, MACROBLOCK *x);
|
| +
|
| +#ifdef MODE_STATS
|
| +unsigned int inter_y_modes[MB_MODE_COUNT];
|
| +unsigned int inter_uv_modes[VP9_UV_MODES];
|
| +unsigned int inter_b_modes[B_MODE_COUNT];
|
| +unsigned int y_modes[VP9_YMODES];
|
| +unsigned int i8x8_modes[VP9_I8X8_MODES];
|
| +unsigned int uv_modes[VP9_UV_MODES];
|
| +unsigned int uv_modes_y[VP9_YMODES][VP9_UV_MODES];
|
| +unsigned int b_modes[B_MODE_COUNT];
|
| +#endif
|
| +
|
| +
|
| +/* activity_avg must be positive, or flat regions could get a zero weight
|
| + * (infinite lambda), which confounds analysis.
|
| + * This also avoids the need for divide by zero checks in
|
| + * vp9_activity_masking().
|
| + */
|
| +#define VP9_ACTIVITY_AVG_MIN (64)
|
| +
|
| +/* This is used as a reference when computing the source variance for the
|
| + * purposes of activity masking.
|
| + * Eventually this should be replaced by custom no-reference routines,
|
| + * which will be faster.
|
| + */
|
| +static const unsigned char VP9_VAR_OFFS[16] = {
|
| + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128
|
| +};
|
| +
|
| +
|
| +// Original activity measure from Tim T's code.
|
| +static unsigned int tt_activity_measure(VP9_COMP *cpi, MACROBLOCK *x) {
|
| + unsigned int act;
|
| + unsigned int sse;
|
| + /* TODO: This could also be done over smaller areas (8x8), but that would
|
| + * require extensive changes elsewhere, as lambda is assumed to be fixed
|
| + * over an entire MB in most of the code.
|
| + * Another option is to compute four 8x8 variances, and pick a single
|
| + * lambda using a non-linear combination (e.g., the smallest, or second
|
| + * smallest, etc.).
|
| + */
|
| + act = vp9_variance16x16(x->src.y_buffer, x->src.y_stride, VP9_VAR_OFFS, 0,
|
| + &sse);
|
| + act = act << 4;
|
| +
|
| + /* If the region is flat, lower the activity some more. */
|
| + if (act < 8 << 12)
|
| + act = act < 5 << 12 ? act : 5 << 12;
|
| +
|
| + return act;
|
| +}
|
| +
|
| +// Stub for alternative experimental activity measures.
|
| +static unsigned int alt_activity_measure(VP9_COMP *cpi,
|
| + MACROBLOCK *x, int use_dc_pred) {
|
| + return vp9_encode_intra(cpi, x, use_dc_pred);
|
| +}
|
| +
|
| +
|
| +// Measure the activity of the current macroblock
|
| +// What we measure here is TBD so abstracted to this function
|
| +#define ALT_ACT_MEASURE 1
|
| +static unsigned int mb_activity_measure(VP9_COMP *cpi, MACROBLOCK *x,
|
| + int mb_row, int mb_col) {
|
| + unsigned int mb_activity;
|
| +
|
| + if (ALT_ACT_MEASURE) {
|
| + int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
|
| +
|
| + // Or use and alternative.
|
| + mb_activity = alt_activity_measure(cpi, x, use_dc_pred);
|
| + } else {
|
| + // Original activity measure from Tim T's code.
|
| + mb_activity = tt_activity_measure(cpi, x);
|
| + }
|
| +
|
| + if (mb_activity < VP9_ACTIVITY_AVG_MIN)
|
| + mb_activity = VP9_ACTIVITY_AVG_MIN;
|
| +
|
| + return mb_activity;
|
| +}
|
| +
|
| +// Calculate an "average" mb activity value for the frame
|
| +#define ACT_MEDIAN 0
|
| +static void calc_av_activity(VP9_COMP *cpi, int64_t activity_sum) {
|
| +#if ACT_MEDIAN
|
| + // Find median: Simple n^2 algorithm for experimentation
|
| + {
|
| + unsigned int median;
|
| + unsigned int i, j;
|
| + unsigned int *sortlist;
|
| + unsigned int tmp;
|
| +
|
| + // Create a list to sort to
|
| + CHECK_MEM_ERROR(sortlist,
|
| + vpx_calloc(sizeof(unsigned int),
|
| + cpi->common.MBs));
|
| +
|
| + // Copy map to sort list
|
| + vpx_memcpy(sortlist, cpi->mb_activity_map,
|
| + sizeof(unsigned int) * cpi->common.MBs);
|
| +
|
| +
|
| + // Ripple each value down to its correct position
|
| + for (i = 1; i < cpi->common.MBs; i ++) {
|
| + for (j = i; j > 0; j --) {
|
| + if (sortlist[j] < sortlist[j - 1]) {
|
| + // Swap values
|
| + tmp = sortlist[j - 1];
|
| + sortlist[j - 1] = sortlist[j];
|
| + sortlist[j] = tmp;
|
| + } else
|
| + break;
|
| + }
|
| + }
|
| +
|
| + // Even number MBs so estimate median as mean of two either side.
|
| + median = (1 + sortlist[cpi->common.MBs >> 1] +
|
| + sortlist[(cpi->common.MBs >> 1) + 1]) >> 1;
|
| +
|
| + cpi->activity_avg = median;
|
| +
|
| + vpx_free(sortlist);
|
| + }
|
| +#else
|
| + // Simple mean for now
|
| + cpi->activity_avg = (unsigned int)(activity_sum / cpi->common.MBs);
|
| +#endif
|
| +
|
| + if (cpi->activity_avg < VP9_ACTIVITY_AVG_MIN)
|
| + cpi->activity_avg = VP9_ACTIVITY_AVG_MIN;
|
| +
|
| + // Experimental code: return fixed value normalized for several clips
|
| + if (ALT_ACT_MEASURE)
|
| + cpi->activity_avg = 100000;
|
| +}
|
| +
|
| +#define USE_ACT_INDEX 0
|
| +#define OUTPUT_NORM_ACT_STATS 0
|
| +
|
| +#if USE_ACT_INDEX
|
| +// Calculate and activity index for each mb
|
| +static void calc_activity_index(VP9_COMP *cpi, MACROBLOCK *x) {
|
| + VP9_COMMON *const cm = &cpi->common;
|
| + int mb_row, mb_col;
|
| +
|
| + int64_t act;
|
| + int64_t a;
|
| + int64_t b;
|
| +
|
| +#if OUTPUT_NORM_ACT_STATS
|
| + FILE *f = fopen("norm_act.stt", "a");
|
| + fprintf(f, "\n%12d\n", cpi->activity_avg);
|
| +#endif
|
| +
|
| + // Reset pointers to start of activity map
|
| + x->mb_activity_ptr = cpi->mb_activity_map;
|
| +
|
| + // Calculate normalized mb activity number.
|
| + for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
|
| + // for each macroblock col in image
|
| + for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
|
| + // Read activity from the map
|
| + act = *(x->mb_activity_ptr);
|
| +
|
| + // Calculate a normalized activity number
|
| + a = act + 4 * cpi->activity_avg;
|
| + b = 4 * act + cpi->activity_avg;
|
| +
|
| + if (b >= a)
|
| + *(x->activity_ptr) = (int)((b + (a >> 1)) / a) - 1;
|
| + else
|
| + *(x->activity_ptr) = 1 - (int)((a + (b >> 1)) / b);
|
| +
|
| +#if OUTPUT_NORM_ACT_STATS
|
| + fprintf(f, " %6d", *(x->mb_activity_ptr));
|
| +#endif
|
| + // Increment activity map pointers
|
| + x->mb_activity_ptr++;
|
| + }
|
| +
|
| +#if OUTPUT_NORM_ACT_STATS
|
| + fprintf(f, "\n");
|
| +#endif
|
| +
|
| + }
|
| +
|
| +#if OUTPUT_NORM_ACT_STATS
|
| + fclose(f);
|
| +#endif
|
| +
|
| +}
|
| +#endif
|
| +
|
| +// Loop through all MBs. Note activity of each, average activity and
|
| +// calculate a normalized activity for each
|
| +static void build_activity_map(VP9_COMP *cpi) {
|
| + MACROBLOCK *const x = &cpi->mb;
|
| + MACROBLOCKD *xd = &x->e_mbd;
|
| + VP9_COMMON *const cm = &cpi->common;
|
| +
|
| +#if ALT_ACT_MEASURE
|
| + YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx];
|
| + int recon_yoffset;
|
| + int recon_y_stride = new_yv12->y_stride;
|
| +#endif
|
| +
|
| + int mb_row, mb_col;
|
| + unsigned int mb_activity;
|
| + int64_t activity_sum = 0;
|
| +
|
| + // for each macroblock row in image
|
| + for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) {
|
| +#if ALT_ACT_MEASURE
|
| + // reset above block coeffs
|
| + xd->up_available = (mb_row != 0);
|
| + recon_yoffset = (mb_row * recon_y_stride * 16);
|
| +#endif
|
| + // for each macroblock col in image
|
| + for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) {
|
| +#if ALT_ACT_MEASURE
|
| + xd->dst.y_buffer = new_yv12->y_buffer + recon_yoffset;
|
| + xd->left_available = (mb_col != 0);
|
| + recon_yoffset += 16;
|
| +#endif
|
| +#if !CONFIG_SUPERBLOCKS
|
| + // Copy current mb to a buffer
|
| + vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
|
| +#endif
|
| +
|
| + // measure activity
|
| + mb_activity = mb_activity_measure(cpi, x, mb_row, mb_col);
|
| +
|
| + // Keep frame sum
|
| + activity_sum += mb_activity;
|
| +
|
| + // Store MB level activity details.
|
| + *x->mb_activity_ptr = mb_activity;
|
| +
|
| + // Increment activity map pointer
|
| + x->mb_activity_ptr++;
|
| +
|
| + // adjust to the next column of source macroblocks
|
| + x->src.y_buffer += 16;
|
| + }
|
| +
|
| +
|
| + // adjust to the next row of mbs
|
| + x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols;
|
| +
|
| +#if ALT_ACT_MEASURE
|
| + // extend the recon for intra prediction
|
| + vp9_extend_mb_row(new_yv12, xd->dst.y_buffer + 16,
|
| + xd->dst.u_buffer + 8, xd->dst.v_buffer + 8);
|
| +#endif
|
| +
|
| + }
|
| +
|
| + // Calculate an "average" MB activity
|
| + calc_av_activity(cpi, activity_sum);
|
| +
|
| +#if USE_ACT_INDEX
|
| + // Calculate an activity index number of each mb
|
| + calc_activity_index(cpi, x);
|
| +#endif
|
| +
|
| +}
|
| +
|
| +// Macroblock activity masking
|
| +void vp9_activity_masking(VP9_COMP *cpi, MACROBLOCK *x) {
|
| +#if USE_ACT_INDEX
|
| + x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2);
|
| + x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
|
| + x->errorperbit += (x->errorperbit == 0);
|
| +#else
|
| + int64_t a;
|
| + int64_t b;
|
| + int64_t act = *(x->mb_activity_ptr);
|
| +
|
| + // Apply the masking to the RD multiplier.
|
| + a = act + (2 * cpi->activity_avg);
|
| + b = (2 * act) + cpi->activity_avg;
|
| +
|
| + x->rdmult = (unsigned int)(((int64_t)x->rdmult * b + (a >> 1)) / a);
|
| + x->errorperbit = x->rdmult * 100 / (110 * x->rddiv);
|
| + x->errorperbit += (x->errorperbit == 0);
|
| +#endif
|
| +
|
| + // Activity based Zbin adjustment
|
| + adjust_act_zbin(cpi, x);
|
| +}
|
| +
|
| +#if CONFIG_NEW_MVREF
|
| +static int vp9_cost_mv_ref_id(vp9_prob * ref_id_probs, int mv_ref_id) {
|
| + int cost;
|
| +
|
| + // Encode the index for the MV reference.
|
| + switch (mv_ref_id) {
|
| + case 0:
|
| + cost = vp9_cost_zero(ref_id_probs[0]);
|
| + break;
|
| + case 1:
|
| + cost = vp9_cost_one(ref_id_probs[0]);
|
| + cost += vp9_cost_zero(ref_id_probs[1]);
|
| + break;
|
| + case 2:
|
| + cost = vp9_cost_one(ref_id_probs[0]);
|
| + cost += vp9_cost_one(ref_id_probs[1]);
|
| + cost += vp9_cost_zero(ref_id_probs[2]);
|
| + break;
|
| + case 3:
|
| + cost = vp9_cost_one(ref_id_probs[0]);
|
| + cost += vp9_cost_one(ref_id_probs[1]);
|
| + cost += vp9_cost_one(ref_id_probs[2]);
|
| + break;
|
| +
|
| + // TRAP.. This should not happen
|
| + default:
|
| + assert(0);
|
| + break;
|
| + }
|
| + return cost;
|
| +}
|
| +
|
| +// Estimate the cost of each coding the vector using each reference candidate
|
| +static unsigned int pick_best_mv_ref(MACROBLOCK *x,
|
| + MV_REFERENCE_FRAME ref_frame,
|
| + int_mv target_mv,
|
| + int_mv * mv_ref_list,
|
| + int_mv * best_ref) {
|
| + int i;
|
| + int best_index = 0;
|
| + int cost, cost2;
|
| + int zero_seen = (mv_ref_list[0].as_int) ? FALSE : TRUE;
|
| + MACROBLOCKD *xd = &x->e_mbd;
|
| + int max_mv = MV_MAX;
|
| +
|
| + cost = vp9_cost_mv_ref_id(xd->mb_mv_ref_id_probs[ref_frame], 0) +
|
| + vp9_mv_bit_cost(&target_mv, &mv_ref_list[0], x->nmvjointcost,
|
| + x->mvcost, 96, xd->allow_high_precision_mv);
|
| +
|
| + // Use 4 for now : for (i = 1; i < MAX_MV_REFS; ++i ) {
|
| + for (i = 1; i < 4; ++i) {
|
| + // If we see a 0,0 reference vector for a second time we have reached
|
| + // the end of the list of valid candidate vectors.
|
| + if (!mv_ref_list[i].as_int) {
|
| + if (zero_seen)
|
| + break;
|
| + else
|
| + zero_seen = TRUE;
|
| + }
|
| +
|
| + // Check for cases where the reference choice would give rise to an
|
| + // uncodable/out of range residual for row or col.
|
| + if ((abs(target_mv.as_mv.row - mv_ref_list[i].as_mv.row) > max_mv) ||
|
| + (abs(target_mv.as_mv.col - mv_ref_list[i].as_mv.col) > max_mv)) {
|
| + continue;
|
| + }
|
| +
|
| + cost2 = vp9_cost_mv_ref_id(xd->mb_mv_ref_id_probs[ref_frame], i) +
|
| + vp9_mv_bit_cost(&target_mv, &mv_ref_list[i], x->nmvjointcost,
|
| + x->mvcost, 96, xd->allow_high_precision_mv);
|
| +
|
| + if (cost2 < cost) {
|
| + cost = cost2;
|
| + best_index = i;
|
| + }
|
| + }
|
| +
|
| + best_ref->as_int = mv_ref_list[best_index].as_int;
|
| +
|
| + return best_index;
|
| +}
|
| +#endif
|
| +
|
| +static void update_state(VP9_COMP *cpi, MACROBLOCK *x,
|
| + PICK_MODE_CONTEXT *ctx) {
|
| + int i;
|
| + MACROBLOCKD *xd = &x->e_mbd;
|
| + MODE_INFO *mi = &ctx->mic;
|
| + MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi;
|
| + int mb_mode = mi->mbmi.mode;
|
| + int mb_mode_index = ctx->best_mode_index;
|
| +
|
| +#if CONFIG_DEBUG
|
| + assert(mb_mode < MB_MODE_COUNT);
|
| + assert(mb_mode_index < MAX_MODES);
|
| + assert(mi->mbmi.ref_frame < MAX_REF_FRAMES);
|
| +#endif
|
| +
|
| + // Restore the coding context of the MB to that that was in place
|
| + // when the mode was picked for it
|
| + vpx_memcpy(xd->mode_info_context, mi, sizeof(MODE_INFO));
|
| +#if CONFIG_SUPERBLOCKS
|
| + if (mi->mbmi.encoded_as_sb) {
|
| + const int mis = cpi->common.mode_info_stride;
|
| + if (xd->mb_to_right_edge >= 0)
|
| + vpx_memcpy(xd->mode_info_context + 1, mi, sizeof(MODE_INFO));
|
| + if (xd->mb_to_bottom_edge >= 0) {
|
| + vpx_memcpy(xd->mode_info_context + mis, mi, sizeof(MODE_INFO));
|
| + if (xd->mb_to_right_edge >= 0)
|
| + vpx_memcpy(xd->mode_info_context + mis + 1, mi, sizeof(MODE_INFO));
|
| + }
|
| + }
|
| +#endif
|
| +
|
| + if (mb_mode == B_PRED) {
|
| + for (i = 0; i < 16; i++) {
|
| + xd->block[i].bmi.as_mode = xd->mode_info_context->bmi[i].as_mode;
|
| + assert(xd->block[i].bmi.as_mode.first < B_MODE_COUNT);
|
| + }
|
| + } else if (mb_mode == I8X8_PRED) {
|
| + for (i = 0; i < 16; i++) {
|
| + xd->block[i].bmi = xd->mode_info_context->bmi[i];
|
| + }
|
| + } else if (mb_mode == SPLITMV) {
|
| + vpx_memcpy(x->partition_info, &ctx->partition_info,
|
| + sizeof(PARTITION_INFO));
|
| +
|
| + mbmi->mv[0].as_int = x->partition_info->bmi[15].mv.as_int;
|
| + mbmi->mv[1].as_int = x->partition_info->bmi[15].second_mv.as_int;
|
| + }
|
| +
|
| + {
|
| + int segment_id = mbmi->segment_id;
|
| + if (!vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB) ||
|
| + vp9_get_segdata(xd, segment_id, SEG_LVL_EOB)) {
|
| + for (i = 0; i < NB_TXFM_MODES; i++) {
|
| + cpi->rd_tx_select_diff[i] += ctx->txfm_rd_diff[i];
|
| + }
|
| + }
|
| + }
|
| +
|
| + if (cpi->common.frame_type == KEY_FRAME) {
|
| + // Restore the coding modes to that held in the coding context
|
| + // if (mb_mode == B_PRED)
|
| + // for (i = 0; i < 16; i++)
|
| + // {
|
| + // xd->block[i].bmi.as_mode =
|
| + // xd->mode_info_context->bmi[i].as_mode;
|
| + // assert(xd->mode_info_context->bmi[i].as_mode < MB_MODE_COUNT);
|
| + // }
|
| +#if CONFIG_INTERNAL_STATS
|
| + static const int kf_mode_index[] = {
|
| + THR_DC /*DC_PRED*/,
|
| + THR_V_PRED /*V_PRED*/,
|
| + THR_H_PRED /*H_PRED*/,
|
| + THR_D45_PRED /*D45_PRED*/,
|
| + THR_D135_PRED /*D135_PRED*/,
|
| + THR_D117_PRED /*D117_PRED*/,
|
| + THR_D153_PRED /*D153_PRED*/,
|
| + THR_D27_PRED /*D27_PRED*/,
|
| + THR_D63_PRED /*D63_PRED*/,
|
| + THR_TM /*TM_PRED*/,
|
| + THR_I8X8_PRED /*I8X8_PRED*/,
|
| + THR_B_PRED /*B_PRED*/,
|
| + };
|
| + cpi->mode_chosen_counts[kf_mode_index[mb_mode]]++;
|
| +#endif
|
| + } else {
|
| + /*
|
| + // Reduce the activation RD thresholds for the best choice mode
|
| + if ((cpi->rd_baseline_thresh[mb_mode_index] > 0) &&
|
| + (cpi->rd_baseline_thresh[mb_mode_index] < (INT_MAX >> 2)))
|
| + {
|
| + int best_adjustment = (cpi->rd_thresh_mult[mb_mode_index] >> 2);
|
| +
|
| + 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]++;
|
| + if (mbmi->mode == SPLITMV || mbmi->mode == NEWMV) {
|
| + int_mv best_mv, best_second_mv;
|
| + MV_REFERENCE_FRAME rf = mbmi->ref_frame;
|
| +#if CONFIG_NEW_MVREF
|
| + unsigned int best_index;
|
| + MV_REFERENCE_FRAME sec_ref_frame = mbmi->second_ref_frame;
|
| +#endif
|
| + best_mv.as_int = ctx->best_ref_mv.as_int;
|
| + best_second_mv.as_int = ctx->second_best_ref_mv.as_int;
|
| + if (mbmi->mode == NEWMV) {
|
| + best_mv.as_int = mbmi->ref_mvs[rf][0].as_int;
|
| + best_second_mv.as_int = mbmi->ref_mvs[mbmi->second_ref_frame][0].as_int;
|
| +#if CONFIG_NEW_MVREF
|
| + best_index = pick_best_mv_ref(x, rf, mbmi->mv[0],
|
| + mbmi->ref_mvs[rf], &best_mv);
|
| + mbmi->best_index = best_index;
|
| +
|
| + if (mbmi->second_ref_frame > 0) {
|
| + unsigned int best_index;
|
| + best_index =
|
| + pick_best_mv_ref(x, sec_ref_frame, mbmi->mv[1],
|
| + mbmi->ref_mvs[sec_ref_frame],
|
| + &best_second_mv);
|
| + mbmi->best_second_index = best_index;
|
| + }
|
| +#endif
|
| + }
|
| + mbmi->best_mv.as_int = best_mv.as_int;
|
| + mbmi->best_second_mv.as_int = best_second_mv.as_int;
|
| + vp9_update_nmv_count(cpi, x, &best_mv, &best_second_mv);
|
| + }
|
| +#if CONFIG_COMP_INTERINTRA_PRED
|
| + if (mbmi->mode >= NEARESTMV && mbmi->mode < SPLITMV &&
|
| + mbmi->second_ref_frame <= INTRA_FRAME) {
|
| + if (mbmi->second_ref_frame == INTRA_FRAME) {
|
| + ++cpi->interintra_count[1];
|
| + ++cpi->ymode_count[mbmi->interintra_mode];
|
| +#if SEPARATE_INTERINTRA_UV
|
| + ++cpi->y_uv_mode_count[mbmi->interintra_mode][mbmi->interintra_uv_mode];
|
| +#endif
|
| + } else {
|
| + ++cpi->interintra_count[0];
|
| + }
|
| + }
|
| + if (cpi->common.mcomp_filter_type == SWITCHABLE &&
|
| + mbmi->mode >= NEARESTMV &&
|
| + mbmi->mode <= SPLITMV) {
|
| + ++cpi->switchable_interp_count
|
| + [vp9_get_pred_context(&cpi->common, xd, PRED_SWITCHABLE_INTERP)]
|
| + [vp9_switchable_interp_map[mbmi->interp_filter]];
|
| + }
|
| +#endif
|
| +
|
| + cpi->prediction_error += ctx->distortion;
|
| + cpi->intra_error += ctx->intra_error;
|
| +
|
| + cpi->rd_comp_pred_diff[SINGLE_PREDICTION_ONLY] += ctx->single_pred_diff;
|
| + cpi->rd_comp_pred_diff[COMP_PREDICTION_ONLY] += ctx->comp_pred_diff;
|
| + cpi->rd_comp_pred_diff[HYBRID_PREDICTION] += ctx->hybrid_pred_diff;
|
| + }
|
| +}
|
| +
|
| +static void pick_mb_modes(VP9_COMP *cpi,
|
| + VP9_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) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
|
| + x->mv_col_min = -((mb_col * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
|
| + x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
| + (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
|
| + x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
| + (VP9BORDERINPIXELS - 16 - VP9_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 !CONFIG_SUPERBLOCKS
|
| + // Copy current MB to a work buffer
|
| + vp9_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)
|
| + vp9_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;
|
| +
|
| + vp9_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??
|
| +
|
| + vp9_intra_prediction_down_copy(xd);
|
| +
|
| +#ifdef ENC_DEBUG
|
| + enc_debug = (cpi->common.current_video_frame == 46 &&
|
| + mb_row == 5 && mb_col == 2);
|
| +#endif
|
| + // 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;
|
| +#ifdef ENC_DEBUG
|
| + if (enc_debug)
|
| + printf("intra pick_mb_modes %d %d\n", mb_row, mb_col);
|
| +#endif
|
| + vp9_rd_pick_intra_mode(cpi, x, &r, &d);
|
| + *totalrate += r;
|
| + *totaldist += d;
|
| +
|
| + // Dummy encode, do not do the tokenization
|
| + encode_macroblock(cpi, x, tp,
|
| + recon_yoffset, recon_uvoffset, 0, mb_col, mb_row);
|
| + // 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 &&
|
| + !vp9_segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
|
| + vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
|
| + vp9_check_segref(xd, 1, INTRA_FRAME) +
|
| + vp9_check_segref(xd, 1, LAST_FRAME) +
|
| + vp9_check_segref(xd, 1, GOLDEN_FRAME) +
|
| + vp9_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;
|
| + }
|
| +
|
| +#ifdef ENC_DEBUG
|
| + if (enc_debug)
|
| + printf("inter pick_mb_modes %d %d\n", mb_row, mb_col);
|
| +#endif
|
| + vp9_pick_mode_inter_macroblock(cpi, x, recon_yoffset,
|
| + recon_uvoffset, &r, &d);
|
| + *totalrate += r;
|
| + *totaldist += d;
|
| +
|
| + // Dummy encode, do not do the tokenization
|
| + encode_macroblock(cpi, x, tp,
|
| + recon_yoffset, recon_uvoffset, 0, mb_col, mb_row);
|
| +
|
| + seg_id = mbmi->segment_id;
|
| + if (cpi->mb.e_mbd.segmentation_enabled && seg_id == 0) {
|
| + cpi->seg0_idx++;
|
| + }
|
| + if (!xd->segmentation_enabled ||
|
| + !vp9_segfeature_active(xd, seg_id, SEG_LVL_REF_FRAME) ||
|
| + vp9_check_segref(xd, seg_id, INTRA_FRAME) +
|
| + vp9_check_segref(xd, seg_id, LAST_FRAME) +
|
| + vp9_check_segref(xd, seg_id, GOLDEN_FRAME) +
|
| + vp9_check_segref(xd, seg_id, ALTREF_FRAME) > 1) {
|
| + // Get the prediction context and status
|
| + int pred_flag = vp9_get_pred_flag(xd, PRED_REF);
|
| + int pred_context = vp9_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 (VP9_COMP *cpi,
|
| + VP9_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 - 2 - mb_row) * 16) << 3;
|
| + xd->mb_to_right_edge = ((cm->mb_cols - 2 - 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) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
|
| + x->mv_col_min = -((mb_col * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
|
| + x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
| + (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
|
| + x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
| + (VP9BORDERINPIXELS - 32 - VP9_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 */
|
| + vp9_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)
|
| + vp9_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;
|
| +
|
| + vp9_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)
|
| + {
|
| + vp9_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 &&
|
| + !vp9_segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
|
| + vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
|
| + vp9_check_segref(xd, 1, INTRA_FRAME) +
|
| + vp9_check_segref(xd, 1, LAST_FRAME) +
|
| + vp9_check_segref(xd, 1, GOLDEN_FRAME) +
|
| + vp9_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;
|
| + }
|
| +
|
| + vp9_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(VP9_COMP *cpi,
|
| + VP9_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;
|
| +
|
| + // 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
|
| + // 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) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
|
| + x->mv_col_min = -((mb_col * 16) + VP9BORDERINPIXELS - VP9_INTERP_EXTEND);
|
| +
|
| + xd->mb_to_top_edge = -((mb_row * 16) << 3);
|
| + xd->mb_to_left_edge = -((mb_col * 16) << 3);
|
| +
|
| +#if CONFIG_SUPERBLOCKS
|
| + if (xd->mode_info_context->mbmi.encoded_as_sb) {
|
| + x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
| + (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
|
| + x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
| + (VP9BORDERINPIXELS - 32 - VP9_INTERP_EXTEND));
|
| +
|
| + xd->mb_to_bottom_edge = ((cm->mb_rows - 2 - mb_row) * 16) << 3;
|
| + xd->mb_to_right_edge = ((cm->mb_cols - 2 - mb_col) * 16) << 3;
|
| + } else {
|
| +#endif
|
| + x->mv_row_max = ((cm->mb_rows - mb_row) * 16 +
|
| + (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
|
| + x->mv_col_max = ((cm->mb_cols - mb_col) * 16 +
|
| + (VP9BORDERINPIXELS - 16 - VP9_INTERP_EXTEND));
|
| +
|
| + 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
|
| + }
|
| +#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;
|
| +
|
| +#if !CONFIG_SUPERBLOCKS
|
| + // Copy current MB to a work buffer
|
| + vp9_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16);
|
| +#endif
|
| +
|
| + if (cpi->oxcf.tuning == VP8_TUNE_SSIM)
|
| + vp9_activity_masking(cpi, x);
|
| +
|
| + // Is segmentation enabled
|
| + if (xd->segmentation_enabled) {
|
| + vp9_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
|
| + vp9_intra_prediction_down_copy(xd);
|
| +
|
| + if (cm->frame_type == KEY_FRAME) {
|
| +#if CONFIG_SUPERBLOCKS
|
| + if (xd->mode_info_context->mbmi.encoded_as_sb)
|
| + encode_superblock(cpi, x, tp, recon_yoffset, recon_uvoffset,
|
| + mb_col, mb_row);
|
| + else
|
| +#endif
|
| + encode_macroblock(cpi, x, tp, recon_yoffset, recon_uvoffset, 1,
|
| + mb_col, mb_row);
|
| + // 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 = vp9_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)
|
| + encode_superblock(cpi, x, tp, recon_yoffset, recon_uvoffset,
|
| + mb_col, mb_row);
|
| + else
|
| +#endif
|
| + encode_macroblock(cpi, x, tp, recon_yoffset, recon_uvoffset, 1,
|
| + mb_col, mb_row);
|
| + // 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 = vp9_segfeature_active(xd, *segment_id,
|
| + SEG_LVL_REF_FRAME);
|
| + if (!seg_ref_active ||
|
| + ((vp9_check_segref(xd, *segment_id, INTRA_FRAME) +
|
| + vp9_check_segref(xd, *segment_id, LAST_FRAME) +
|
| + vp9_check_segref(xd, *segment_id, GOLDEN_FRAME) +
|
| + vp9_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(VP9_COMP *cpi,
|
| + VP9_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 += vp9_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 += vp9_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
|
| +}
|
| +
|
| +static void init_encode_frame_mb_context(VP9_COMP *cpi) {
|
| + MACROBLOCK *const x = &cpi->mb;
|
| + VP9_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)
|
| + vp9_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
|
| + vp9_setup_intra_recon(&cm->yv12_fb[cm->new_fb_idx]);
|
| +
|
| + vp9_build_block_offsets(x);
|
| +
|
| + vp9_setup_block_dptrs(&x->e_mbd);
|
| +
|
| + vp9_setup_block_ptrs(x);
|
| +
|
| + xd->mode_info_context->mbmi.mode = DC_PRED;
|
| + xd->mode_info_context->mbmi.uv_mode = DC_PRED;
|
| +
|
| + vp9_zero(cpi->count_mb_ref_frame_usage)
|
| + vp9_zero(cpi->bmode_count)
|
| + vp9_zero(cpi->ymode_count)
|
| + vp9_zero(cpi->i8x8_mode_count)
|
| + vp9_zero(cpi->y_uv_mode_count)
|
| + vp9_zero(cpi->sub_mv_ref_count)
|
| + vp9_zero(cpi->mbsplit_count)
|
| + vp9_zero(cpi->common.fc.mv_ref_ct)
|
| +#if CONFIG_SUPERBLOCKS
|
| + vp9_zero(cpi->sb_ymode_count)
|
| + cpi->sb_count = 0;
|
| +#endif
|
| +#if CONFIG_COMP_INTERINTRA_PRED
|
| + vp9_zero(cpi->interintra_count);
|
| + vp9_zero(cpi->interintra_select_count);
|
| +#endif
|
| +
|
| + 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(VP9_COMP *cpi) {
|
| + int mb_row;
|
| + MACROBLOCK *const x = &cpi->mb;
|
| + VP9_COMMON *const cm = &cpi->common;
|
| + MACROBLOCKD *const xd = &x->e_mbd;
|
| +
|
| + TOKENEXTRA *tp = cpi->tok;
|
| + int totalrate;
|
| +
|
| + // printf("encode_frame_internal frame %d (%d)\n",
|
| + // cpi->common.current_video_frame, cpi->common.show_frame);
|
| +
|
| + // 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.
|
| + vp9_compute_mod_refprobs(cm);
|
| +
|
| +#if CONFIG_NEW_MVREF
|
| + // temp stats reset
|
| + vp9_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
|
| + vp9_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
|
| + vp9_zero(cpi->switchable_interp_count);
|
| +
|
| + xd->mode_info_context = cm->mi;
|
| + xd->prev_mode_info_context = cm->prev_mi;
|
| +
|
| + vp9_zero(cpi->NMVcount);
|
| + vp9_zero(cpi->coef_counts);
|
| + vp9_zero(cpi->hybrid_coef_counts);
|
| + vp9_zero(cpi->coef_counts_8x8);
|
| + vp9_zero(cpi->hybrid_coef_counts_8x8);
|
| + vp9_zero(cpi->coef_counts_16x16);
|
| + vp9_zero(cpi->hybrid_coef_counts_16x16);
|
| +
|
| + vp9_frame_init_quantizer(cpi);
|
| +
|
| + vp9_initialize_rd_consts(cpi, cm->base_qindex + cm->y1dc_delta_q);
|
| + vp9_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 = (unsigned int)(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(VP9_COMP *cpi) {
|
| + MACROBLOCKD *xd = &cpi->mb.e_mbd;
|
| + int ref_flags = cpi->ref_frame_flags;
|
| +
|
| + if (vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME)) {
|
| + if ((ref_flags & (VP9_LAST_FLAG | VP9_GOLD_FLAG)) == (VP9_LAST_FLAG | VP9_GOLD_FLAG) &&
|
| + vp9_check_segref(xd, 1, LAST_FRAME))
|
| + return 1;
|
| + if ((ref_flags & (VP9_GOLD_FLAG | VP9_ALT_FLAG)) == (VP9_GOLD_FLAG | VP9_ALT_FLAG) &&
|
| + vp9_check_segref(xd, 1, GOLDEN_FRAME))
|
| + return 1;
|
| + if ((ref_flags & (VP9_ALT_FLAG | VP9_LAST_FLAG)) == (VP9_ALT_FLAG | VP9_LAST_FLAG) &&
|
| + vp9_check_segref(xd, 1, ALTREF_FRAME))
|
| + return 1;
|
| + return 0;
|
| + } else {
|
| + return (!!(ref_flags & VP9_GOLD_FLAG) +
|
| + !!(ref_flags & VP9_LAST_FLAG) +
|
| + !!(ref_flags & VP9_ALT_FLAG)) >= 2;
|
| + }
|
| +}
|
| +
|
| +static void reset_skip_txfm_size(VP9_COMP *cpi, TX_SIZE txfm_max) {
|
| + VP9_COMMON *cm = &cpi->common;
|
| + int mb_row, mb_col, mis = cm->mode_info_stride, segment_id;
|
| + MODE_INFO *mi, *mi_ptr = cm->mi;
|
| +#if CONFIG_SUPERBLOCKS
|
| + int skip;
|
| + MODE_INFO *sb_mi_ptr = cm->mi, *sb_mi;
|
| + MB_MODE_INFO *sb_mbmi;
|
| +#endif
|
| + 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;
|
| +#if CONFIG_SUPERBLOCKS
|
| + sb_mi = sb_mi_ptr;
|
| +#endif
|
| + for (mb_col = 0; mb_col < cm->mb_cols; mb_col++, mi++) {
|
| + mbmi = &mi->mbmi;
|
| +#if CONFIG_SUPERBLOCKS
|
| + sb_mbmi = &sb_mi->mbmi;
|
| +#endif
|
| + if (mbmi->txfm_size > txfm_max) {
|
| +#if CONFIG_SUPERBLOCKS
|
| + if (sb_mbmi->encoded_as_sb) {
|
| + if (!((mb_col & 1) || (mb_row & 1))) {
|
| + segment_id = mbmi->segment_id;
|
| + skip = mbmi->mb_skip_coeff;
|
| + if (mb_col < cm->mb_cols - 1) {
|
| + segment_id = segment_id && mi[1].mbmi.segment_id;
|
| + skip = skip && mi[1].mbmi.mb_skip_coeff;
|
| + }
|
| + if (mb_row < cm->mb_rows - 1) {
|
| + segment_id = segment_id &&
|
| + mi[cm->mode_info_stride].mbmi.segment_id;
|
| + skip = skip && mi[cm->mode_info_stride].mbmi.mb_skip_coeff;
|
| + if (mb_col < cm->mb_cols - 1) {
|
| + segment_id = segment_id &&
|
| + mi[cm->mode_info_stride + 1].mbmi.segment_id;
|
| + skip = skip && mi[cm->mode_info_stride + 1].mbmi.mb_skip_coeff;
|
| + }
|
| + }
|
| + xd->mode_info_context = mi;
|
| + assert((vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB) &&
|
| + vp9_get_segdata(xd, segment_id, SEG_LVL_EOB) == 0) ||
|
| + (cm->mb_no_coeff_skip && skip));
|
| + mbmi->txfm_size = txfm_max;
|
| + } else {
|
| + mbmi->txfm_size = sb_mbmi->txfm_size;
|
| + }
|
| + } else {
|
| +#endif
|
| + segment_id = mbmi->segment_id;
|
| + xd->mode_info_context = mi;
|
| + assert((vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB) &&
|
| + vp9_get_segdata(xd, segment_id, SEG_LVL_EOB) == 0) ||
|
| + (cm->mb_no_coeff_skip && mbmi->mb_skip_coeff));
|
| + mbmi->txfm_size = txfm_max;
|
| +#if CONFIG_SUPERBLOCKS
|
| + }
|
| +#endif
|
| + }
|
| +#if CONFIG_SUPERBLOCKS
|
| + if (mb_col & 1)
|
| + sb_mi += 2;
|
| +#endif
|
| + }
|
| +#if CONFIG_SUPERBLOCKS
|
| + if (mb_row & 1)
|
| + sb_mi_ptr += 2 * mis;
|
| +#endif
|
| + }
|
| +}
|
| +
|
| +void vp9_encode_frame(VP9_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 = (int)(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 = (int)(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 vp9_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 vp9_build_block_offsets(MACROBLOCK *x) {
|
| + int block = 0;
|
| + int br, bc;
|
| +
|
| + vp9_build_block_doffsets(&x->e_mbd);
|
| +
|
| +#if !CONFIG_SUPERBLOCKS
|
| + // 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;
|
| + }
|
| + }
|
| +#else
|
| + 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->src.y_buffer;
|
| + this_block->src_stride = x->src.y_stride;
|
| + this_block->src = 4 * br * this_block->src_stride + 4 * bc;
|
| + ++block;
|
| + }
|
| + }
|
| +#endif
|
| +
|
| + // 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(VP9_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 {
|
| + int m = xd->block[b].bmi.as_mode.first;
|
| +#if CONFIG_NEWBINTRAMODES
|
| + if (m == B_CONTEXT_PRED) m -= CONTEXT_PRED_REPLACEMENTS;
|
| +#endif
|
| + ++cpi->bmode_count[m];
|
| + } 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(VP9_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(VP9_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];
|
| + vp9_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];
|
| + }
|
| + }
|
| +}
|
| +#endif /* CONFIG_SUPERBLOCKS */
|
| +
|
| +static void encode_macroblock(VP9_COMP *cpi, MACROBLOCK *x,
|
| + TOKENEXTRA **t, int recon_yoffset,
|
| + int recon_uvoffset, int output_enabled,
|
| + int mb_col, int mb_row) {
|
| + VP9_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
|
| +
|
| +#ifdef ENC_DEBUG
|
| + enc_debug = (cpi->common.current_video_frame == 46 &&
|
| + mb_row == 5 && mb_col == 2);
|
| + if (enc_debug)
|
| + printf("Encode MB %d %d output %d\n", mb_row, mb_col, output_enabled);
|
| +#endif
|
| + if (cm->frame_type == KEY_FRAME) {
|
| + if (cpi->oxcf.tuning == VP8_TUNE_SSIM && output_enabled) {
|
| + // Adjust the zbin based on this MB rate.
|
| + adjust_act_zbin(cpi, x);
|
| + vp9_update_zbin_extra(cpi, x);
|
| + }
|
| + } else {
|
| + vp9_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;
|
| + }
|
| + }
|
| +
|
| + vp9_update_zbin_extra(cpi, x);
|
| +
|
| + seg_ref_active = vp9_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 == vp9_get_pred_ref(cm, xd)));
|
| + vp9_set_pred_flag(xd, PRED_REF, ref_pred_flag);
|
| + }
|
| +
|
| + if (mbmi->ref_frame == INTRA_FRAME) {
|
| +#ifdef ENC_DEBUG
|
| + if (enc_debug) {
|
| + printf("Mode %d skip %d tx_size %d\n", mbmi->mode, x->skip,
|
| + mbmi->txfm_size);
|
| + }
|
| +#endif
|
| + if (mbmi->mode == B_PRED) {
|
| + vp9_encode_intra16x16mbuv(x);
|
| + vp9_encode_intra4x4mby(x);
|
| + } else if (mbmi->mode == I8X8_PRED) {
|
| + vp9_encode_intra8x8mby(x);
|
| + vp9_encode_intra8x8mbuv(x);
|
| + } else {
|
| + vp9_encode_intra16x16mbuv(x);
|
| + vp9_encode_intra16x16mby(x);
|
| + }
|
| +
|
| + if (output_enabled)
|
| + sum_intra_stats(cpi, x);
|
| + } else {
|
| + int ref_fb_idx;
|
| +#ifdef ENC_DEBUG
|
| + if (enc_debug)
|
| + printf("Mode %d skip %d tx_size %d ref %d ref2 %d mv %d %d interp %d\n",
|
| + mbmi->mode, x->skip, mbmi->txfm_size,
|
| + mbmi->ref_frame, mbmi->second_ref_frame,
|
| + mbmi->mv[0].as_mv.row, mbmi->mv[0].as_mv.col,
|
| + mbmi->interp_filter);
|
| +#endif
|
| +
|
| + assert(cm->frame_type != KEY_FRAME);
|
| +
|
| + 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 > 0) {
|
| + 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) {
|
| + vp9_encode_inter16x16(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 {
|
| + vp9_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 (xd->mode_info_context->mbmi.second_ref_frame > 0) {
|
| + vp9_build_2nd_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 CONFIG_COMP_INTERINTRA_PRED
|
| + else if (xd->mode_info_context->mbmi.second_ref_frame == INTRA_FRAME) {
|
| + vp9_build_interintra_16x16_predictors_mb(xd,
|
| + xd->dst.y_buffer,
|
| + xd->dst.u_buffer,
|
| + xd->dst.v_buffer,
|
| + xd->dst.y_stride,
|
| + xd->dst.uv_stride);
|
| + }
|
| +#endif
|
| + }
|
| + }
|
| +
|
| + if (!x->skip) {
|
| +#ifdef ENC_DEBUG
|
| + if (enc_debug) {
|
| + int i, j;
|
| + printf("\n");
|
| + printf("qcoeff\n");
|
| + for (i = 0; i < 400; i++) {
|
| + printf("%3d ", xd->qcoeff[i]);
|
| + if (i % 16 == 15) printf("\n");
|
| + }
|
| + printf("\n");
|
| + printf("predictor\n");
|
| + for (i = 0; i < 384; i++) {
|
| + printf("%3d ", xd->predictor[i]);
|
| + if (i % 16 == 15) printf("\n");
|
| + }
|
| + printf("\n");
|
| + printf("src_diff\n");
|
| + for (i = 0; i < 384; i++) {
|
| + printf("%3d ", x->src_diff[i]);
|
| + if (i % 16 == 15) printf("\n");
|
| + }
|
| + printf("\n");
|
| + printf("diff\n");
|
| + for (i = 0; i < 384; i++) {
|
| + printf("%3d ", xd->block[0].diff[i]);
|
| + if (i % 16 == 15) printf("\n");
|
| + }
|
| + printf("\n");
|
| + printf("final y\n");
|
| + for (i = 0; i < 16; i++) {
|
| + for (j = 0; j < 16; j++)
|
| + printf("%3d ", xd->dst.y_buffer[i * xd->dst.y_stride + j]);
|
| + printf("\n");
|
| + }
|
| + printf("\n");
|
| + printf("final u\n");
|
| + for (i = 0; i < 8; i++) {
|
| + for (j = 0; j < 8; j++)
|
| + printf("%3d ", xd->dst.u_buffer[i * xd->dst.uv_stride + j]);
|
| + printf("\n");
|
| + }
|
| + printf("\n");
|
| + printf("final v\n");
|
| + for (i = 0; i < 8; i++) {
|
| + for (j = 0; j < 8; j++)
|
| + printf("%3d ", xd->dst.v_buffer[i * xd->dst.uv_stride + j]);
|
| + printf("\n");
|
| + }
|
| + fflush(stdout);
|
| + }
|
| +#endif
|
| +
|
| + vp9_tokenize_mb(cpi, xd, t, !output_enabled);
|
| +
|
| + } 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]++;
|
| + vp9_fix_contexts(xd);
|
| + } else {
|
| + vp9_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) ||
|
| + (vp9_segfeature_active(&x->e_mbd, segment_id, SEG_LVL_EOB) &&
|
| + vp9_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
|
| +static void encode_superblock(VP9_COMP *cpi, MACROBLOCK *x,
|
| + TOKENEXTRA **t, int recon_yoffset,
|
| + int recon_uvoffset, int mb_col, int mb_row) {
|
| + VP9_COMMON *const cm = &cpi->common;
|
| + MACROBLOCKD *const 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;
|
| + 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;
|
| + unsigned int segment_id = mi->mbmi.segment_id;
|
| + ENTROPY_CONTEXT_PLANES ta[4], tl[4];
|
| +
|
| + x->skip = 0;
|
| +
|
| + if (cm->frame_type == KEY_FRAME) {
|
| + if (cpi->oxcf.tuning == VP8_TUNE_SSIM) {
|
| + adjust_act_zbin(cpi, x);
|
| + vp9_update_zbin_extra(cpi, x);
|
| + }
|
| + } else {
|
| + vp9_setup_interp_filters(xd, xd->mode_info_context->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 (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;
|
| + }
|
| + }
|
| +
|
| + vp9_update_zbin_extra(cpi, x);
|
| +
|
| + seg_ref_active = vp9_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 ==
|
| + vp9_get_pred_ref(cm, xd)));
|
| + vp9_set_pred_flag(xd, PRED_REF, ref_pred_flag);
|
| + }
|
| +
|
| +
|
| + if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) {
|
| + vp9_build_intra_predictors_sby_s(&x->e_mbd);
|
| + vp9_build_intra_predictors_sbuv_s(&x->e_mbd);
|
| + sum_intra_stats(cpi, x);
|
| + } else {
|
| + int ref_fb_idx;
|
| +
|
| + assert(cm->frame_type != KEY_FRAME);
|
| +
|
| + 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 > 0) {
|
| + 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;
|
| + }
|
| +
|
| + vp9_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);
|
| + }
|
| +
|
| + for (n = 0; n < 4; n++) {
|
| + int x_idx = n & 1, y_idx = n >> 1;
|
| +
|
| + xd->left_context = cm->left_context + y_idx;
|
| + xd->above_context = cm->above_context + mb_col + x_idx;
|
| + 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;
|
| +
|
| + vp9_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);
|
| + vp9_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);
|
| + vp9_fidct_mb(x);
|
| + vp9_recon_mby_s_c(&x->e_mbd,
|
| + dst + x_idx * 16 + y_idx * 16 * dst_y_stride);
|
| + vp9_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) {
|
| + vp9_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;
|
| + xd->mode_info_context->mbmi.mb_skip_coeff = skip[n] = 1;
|
| + if (cpi->common.mb_no_coeff_skip) {
|
| + // TODO(rbultje) this should be done per-sb instead of per-mb?
|
| + cpi->skip_true_count[mb_skip_context]++;
|
| + vp9_fix_contexts(xd);
|
| + } else {
|
| + vp9_stuff_mb(cpi, xd, t, 0);
|
| + // TODO(rbultje) this should be done per-sb instead of per-mb?
|
| + cpi->skip_false_count[mb_skip_context]++;
|
| + }
|
| + }
|
| + }
|
| +
|
| + xd->mode_info_context = mi;
|
| + update_sb_skip_coeff_state(cpi, x, ta, tl, tp, t, skip);
|
| + if (cm->txfm_mode == TX_MODE_SELECT &&
|
| + !((cm->mb_no_coeff_skip && skip[0] && skip[1] && skip[2] && skip[3]) ||
|
| + (vp9_segfeature_active(xd, segment_id, SEG_LVL_EOB) &&
|
| + vp9_get_segdata(xd, segment_id, SEG_LVL_EOB) == 0))) {
|
| + cpi->txfm_count[mi->mbmi.txfm_size]++;
|
| + } else {
|
| + TX_SIZE sz = (cm->txfm_mode == TX_MODE_SELECT) ? TX_16X16 : cm->txfm_mode;
|
| + mi->mbmi.txfm_size = sz;
|
| + if (mb_col < cm->mb_cols - 1)
|
| + mi[1].mbmi.txfm_size = sz;
|
| + if (mb_row < cm->mb_rows - 1) {
|
| + mi[cm->mode_info_stride].mbmi.txfm_size = sz;
|
| + if (mb_col < cm->mb_cols - 1)
|
| + mi[cm->mode_info_stride + 1].mbmi.txfm_size = sz;
|
| + }
|
| + }
|
| +}
|
| +#endif
|
|
|
| Property changes on: source/libvpx/vp9/encoder/vp9_encodeframe.c
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 11555023:
libvpx: Add VP9 decoder. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/