| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| |
| #include "vpx_ports/config.h" |
| #include "encodemb.h" |
| #include "encodemv.h" |
| #include "vp8/common/common.h" |
| #include "onyx_int.h" |
| #include "vp8/common/extend.h" |
| #include "vp8/common/entropymode.h" |
| #include "vp8/common/quant_common.h" |
| #include "segmentation.h" |
| #include "vp8/common/setupintrarecon.h" |
| #include "encodeintra.h" |
| #include "vp8/common/reconinter.h" |
| #include "rdopt.h" |
| #include "vp8/common/findnearmv.h" |
| #include "vp8/common/reconintra.h" |
| #include "vp8/common/seg_common.h" |
| #include <stdio.h> |
| #include <math.h> |
| #include <limits.h> |
| #include "vp8/common/subpixel.h" |
| #include "vpx_ports/vpx_timer.h" |
| #include "vp8/common/pred_common.h" |
| |
| //#define DBG_PRNT_SEGMAP 1 |
| |
| #if CONFIG_RUNTIME_CPU_DETECT |
| #define RTCD(x) &cpi->common.rtcd.x |
| #define IF_RTCD(x) (x) |
| #else |
| #define RTCD(x) NULL |
| #define IF_RTCD(x) NULL |
| #endif |
| |
| #ifdef ENC_DEBUG |
| int enc_debug=0; |
| int mb_row_debug, mb_col_debug; |
| #endif |
| |
| extern void vp8_stuff_mb(VP8_COMP *cpi, MACROBLOCKD *x, TOKENEXTRA **t) ; |
| |
| extern void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex); |
| extern void vp8_auto_select_speed(VP8_COMP *cpi); |
| extern void vp8cx_init_mbrthread_data(VP8_COMP *cpi, |
| MACROBLOCK *x, |
| MB_ROW_COMP *mbr_ei, |
| int mb_row, |
| int count); |
| extern int vp8cx_pick_mode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, |
| int recon_yoffset, |
| int recon_uvoffset); |
| void vp8_build_block_offsets(MACROBLOCK *x); |
| void vp8_setup_block_ptrs(MACROBLOCK *x); |
| void vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t, |
| int recon_yoffset, int recon_uvoffset, |
| int output_enabled); |
| void vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x, |
| TOKENEXTRA **t, int output_enabled); |
| static void adjust_act_zbin( VP8_COMP *cpi, MACROBLOCK *x ); |
| |
| |
| |
| #ifdef MODE_STATS |
| unsigned int inter_y_modes[MB_MODE_COUNT] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| unsigned int inter_uv_modes[VP8_UV_MODES] = {0, 0, 0, 0}; |
| unsigned int inter_b_modes[B_MODE_COUNT] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| unsigned int y_modes[VP8_YMODES] = {0, 0, 0, 0, 0, 0}; |
| unsigned int i8x8_modes[VP8_I8X8_MODES]={0 }; |
| unsigned int uv_modes[VP8_UV_MODES] = {0, 0, 0, 0}; |
| unsigned int uv_modes_y[VP8_YMODES][VP8_UV_MODES]= |
| { |
| {0, 0, 0, 0}, |
| {0, 0, 0, 0}, |
| {0, 0, 0, 0}, |
| {0, 0, 0, 0}, |
| {0, 0, 0, 0}, |
| {0, 0, 0, 0} |
| }; |
| unsigned int b_modes[B_MODE_COUNT] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; |
| #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 |
| * vp8_activity_masking(). |
| */ |
| #define VP8_ACTIVITY_AVG_MIN (64) |
| |
| /* This is used as a reference when computing the source variance for the |
| * purposes of activity masking. |
| * Eventually this should be replaced by custom no-reference routines, |
| * which will be faster. |
| */ |
| static const unsigned char VP8_VAR_OFFS[16]= |
| { |
| 128,128,128,128,128,128,128,128,128,128,128,128,128,128,128,128 |
| }; |
| |
| |
| // Original activity measure from Tim T's code. |
| static unsigned int tt_activity_measure( VP8_COMP *cpi, MACROBLOCK *x ) |
| { |
| unsigned int act; |
| unsigned int sse; |
| /* TODO: This could also be done over smaller areas (8x8), but that would |
| * require extensive changes elsewhere, as lambda is assumed to be fixed |
| * over an entire MB in most of the code. |
| * Another option is to compute four 8x8 variances, and pick a single |
| * lambda using a non-linear combination (e.g., the smallest, or second |
| * smallest, etc.). |
| */ |
| act = VARIANCE_INVOKE(&cpi->rtcd.variance, var16x16)(x->src.y_buffer, |
| x->src.y_stride, VP8_VAR_OFFS, 0, &sse); |
| act = act<<4; |
| |
| /* If the region is flat, lower the activity some more. */ |
| if (act < 8<<12) |
| act = act < 5<<12 ? act : 5<<12; |
| |
| return act; |
| } |
| |
| // Stub for alternative experimental activity measures. |
| static unsigned int alt_activity_measure( VP8_COMP *cpi, |
| MACROBLOCK *x, int use_dc_pred ) |
| { |
| return vp8_encode_intra(cpi,x, use_dc_pred); |
| } |
| |
| |
| // Measure the activity of the current macroblock |
| // What we measure here is TBD so abstracted to this function |
| #define ALT_ACT_MEASURE 1 |
| static unsigned int mb_activity_measure( VP8_COMP *cpi, MACROBLOCK *x, |
| int mb_row, int mb_col) |
| { |
| unsigned int mb_activity; |
| |
| if ( ALT_ACT_MEASURE ) |
| { |
| int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row); |
| |
| // Or use and alternative. |
| mb_activity = alt_activity_measure( cpi, x, use_dc_pred ); |
| } |
| else |
| { |
| // Original activity measure from Tim T's code. |
| mb_activity = tt_activity_measure( cpi, x ); |
| } |
| |
| if ( mb_activity < VP8_ACTIVITY_AVG_MIN ) |
| mb_activity = VP8_ACTIVITY_AVG_MIN; |
| |
| return mb_activity; |
| } |
| |
| // Calculate an "average" mb activity value for the frame |
| #define ACT_MEDIAN 0 |
| static void calc_av_activity( VP8_COMP *cpi, int64_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 < VP8_ACTIVITY_AVG_MIN) |
| cpi->activity_avg = VP8_ACTIVITY_AVG_MIN; |
| |
| // Experimental code: return fixed value normalized for several clips |
| if ( ALT_ACT_MEASURE ) |
| cpi->activity_avg = 100000; |
| } |
| |
| #define USE_ACT_INDEX 0 |
| #define OUTPUT_NORM_ACT_STATS 0 |
| |
| #if USE_ACT_INDEX |
| // Calculate and activity index for each mb |
| static void calc_activity_index( VP8_COMP *cpi, MACROBLOCK *x ) |
| { |
| VP8_COMMON *const cm = & cpi->common; |
| int mb_row, mb_col; |
| |
| int64_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( VP8_COMP *cpi ) |
| { |
| MACROBLOCK *const x = & cpi->mb; |
| MACROBLOCKD *xd = &x->e_mbd; |
| VP8_COMMON *const cm = & cpi->common; |
| |
| #if ALT_ACT_MEASURE |
| YV12_BUFFER_CONFIG *new_yv12 = &cm->yv12_fb[cm->new_fb_idx]; |
| int recon_yoffset; |
| int recon_y_stride = new_yv12->y_stride; |
| #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 |
| //Copy current mb to a buffer |
| RECON_INVOKE(&xd->rtcd->recon, copy16x16)(x->src.y_buffer, |
| x->src.y_stride, |
| x->thismb, 16); |
| |
| // measure activity |
| mb_activity = mb_activity_measure( cpi, x, mb_row, mb_col ); |
| |
| // Keep frame sum |
| activity_sum += mb_activity; |
| |
| // Store MB level activity details. |
| *x->mb_activity_ptr = mb_activity; |
| |
| // Increment activity map pointer |
| x->mb_activity_ptr++; |
| |
| // adjust to the next column of source macroblocks |
| x->src.y_buffer += 16; |
| } |
| |
| |
| // adjust to the next row of mbs |
| x->src.y_buffer += 16 * x->src.y_stride - 16 * cm->mb_cols; |
| |
| #if ALT_ACT_MEASURE |
| //extend the recon for intra prediction |
| vp8_extend_mb_row(new_yv12, xd->dst.y_buffer + 16, |
| xd->dst.u_buffer + 8, xd->dst.v_buffer + 8); |
| #endif |
| |
| } |
| |
| // Calculate an "average" MB activity |
| calc_av_activity(cpi, activity_sum); |
| |
| #if USE_ACT_INDEX |
| // Calculate an activity index number of each mb |
| calc_activity_index( cpi, x ); |
| #endif |
| |
| } |
| |
| // Macroblock activity masking |
| void vp8_activity_masking(VP8_COMP *cpi, MACROBLOCK *x) |
| { |
| #if USE_ACT_INDEX |
| x->rdmult += *(x->mb_activity_ptr) * (x->rdmult >> 2); |
| x->errorperbit = x->rdmult * 100 /(110 * x->rddiv); |
| x->errorperbit += (x->errorperbit==0); |
| #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); |
| } |
| |
| static void update_state (VP8_COMP *cpi, MACROBLOCK *x, PICK_MODE_CONTEXT *ctx) |
| { |
| int i; |
| MACROBLOCKD *xd = &x->e_mbd; |
| MODE_INFO *mi = &ctx->mic; |
| 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 (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 < MB_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)); |
| |
| xd->mode_info_context->mbmi.mv.as_int = |
| x->partition_info->bmi[15].mv.as_int; |
| xd->mode_info_context->mbmi.second_mv.as_int = |
| x->partition_info->bmi[15].second_mv.as_int; |
| } |
| |
| 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); |
| // } |
| } |
| 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]++; |
| |
| rd_update_mvcount(cpi, x, &ctx->best_ref_mv); |
| |
| cpi->prediction_error += ctx->distortion; |
| cpi->intra_error += ctx->intra_error; |
| } |
| } |
| |
| 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 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, |
| cpi->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; |
| |
| // 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 |
| vpx_memcpy (&cm->left_context, |
| &cpi->left_context[i>>1], |
| sizeof(ENTROPY_CONTEXT_PLANES)); |
| |
| // 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 |
| RECON_INVOKE(&xd->rtcd->recon, copy16x16)(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 (cpi->segmentation_map[map_index] <= 3) |
| xd->mode_info_context->mbmi.segment_id = |
| cpi->segmentation_map[map_index]; |
| else |
| 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; |
| |
| /* force 4x4 transform for mode selection */ |
| xd->mode_info_context->mbmi.txfm_size = TX_4X4; // TODO IS this right?? |
| |
| 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) |
| { |
| *totalrate += vp8_rd_pick_intra_mode(cpi, x); |
| |
| // Save the coding context |
| vpx_memcpy (&x->mb_context[i].mic, xd->mode_info_context, |
| sizeof(MODE_INFO)); |
| |
| // 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 |
| } |
| else |
| { |
| *totalrate += vp8cx_pick_mode_inter_macroblock(cpi, x, |
| recon_yoffset, |
| recon_uvoffset); |
| |
| // Dummy encode, do not do the tokenization |
| vp8cx_encode_inter_macroblock(cpi, x, tp, |
| recon_yoffset, recon_uvoffset, 0); |
| } |
| |
| // Keep a copy of the updated left context |
| vpx_memcpy (&cpi->left_context[i>>1], |
| &cm->left_context, |
| sizeof(ENTROPY_CONTEXT_PLANES)); |
| |
| // 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 (cpi->left_context, |
| left_context, |
| sizeof(left_context)); |
| vpx_memcpy (initial_above_context_ptr, |
| above_context, |
| sizeof(above_context)); |
| } |
| |
| static void encode_sb ( VP8_COMP *cpi, |
| VP8_COMMON *cm, |
| int mbrow, |
| int mbcol, |
| MACROBLOCK *x, |
| MACROBLOCKD *xd, |
| TOKENEXTRA **tp ) |
| { |
| int i, j; |
| 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; |
| |
| 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 (x->encode_as_sb) |
| update_state (cpi, x, &x->sb_context[i]); |
| else |
| #endif |
| update_state (cpi, x, &x->mb_context[i]); |
| |
| // Copy in the appropriate left context |
| vpx_memcpy (&cm->left_context, |
| &cpi->left_context[i>>1], |
| sizeof(ENTROPY_CONTEXT_PLANES)); |
| |
| 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; |
| |
| // 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; |
| |
| // 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 |
| // Set up limit values for MV components to prevent them from |
| // extending beyond the UMV borders assuming 32x32 block size |
| x->mv_row_min_sb = -((mb_row * 16) + VP8BORDERINPIXELS - INTERP_EXTEND); |
| x->mv_col_min_sb = -((mb_col * 16) + VP8BORDERINPIXELS - INTERP_EXTEND); |
| x->mv_row_max_sb = ((cm->mb_rows - mb_row) * 16 + |
| (VP8BORDERINPIXELS - 32 - INTERP_EXTEND)); |
| x->mv_col_max_sb = ((cm->mb_cols - mb_col) * 16 + |
| (VP8BORDERINPIXELS - 32 - INTERP_EXTEND)); |
| #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 |
| RECON_INVOKE(&xd->rtcd->recon, copy16x16)(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) |
| { |
| // Code to set segment id in xd->mbmi.segment_id |
| if (cpi->segmentation_map[map_index] <= 3) |
| xd->mode_info_context->mbmi.segment_id = |
| cpi->segmentation_map[map_index]; |
| else |
| 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; |
| |
| if (cm->frame_type == KEY_FRAME) |
| { |
| vp8cx_encode_intra_macro_block(cpi, x, tp, 1); |
| //Note the encoder may have changed the segment_id |
| |
| #ifdef MODE_STATS |
| y_modes[xd->mode_info_context->mbmi.mode] ++; |
| #endif |
| } |
| else |
| { |
| 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[xd->mode_info_context->mbmi.mode] ++; |
| |
| if (xd->mode_info_context->mbmi.mode == SPLITMV) |
| { |
| int b; |
| |
| for (b = 0; b < x->partition_info->count; b++) |
| { |
| inter_b_modes[x->partition_info->bmi[b].mode] ++; |
| } |
| } |
| |
| #endif |
| |
| // Count of last ref frame 0,0 usage |
| if ((xd->mode_info_context->mbmi.mode == ZEROMV) && |
| (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME)) |
| cpi->inter_zz_count ++; |
| } |
| |
| // TODO Partitioning is broken! |
| cpi->tplist[mb_row].stop = *tp; |
| |
| // Copy back updated left context |
| vpx_memcpy (&cpi->left_context[i>>1], |
| &cm->left_context, |
| sizeof(ENTROPY_CONTEXT_PLANES)); |
| |
| // 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 |
| } |
| |
| // 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 (cpi->left_context, 0, sizeof(cpi->left_context)); |
| vpx_memset (&cm->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES)); |
| |
| // Code each SB in the row |
| for (mb_col=0; mb_col<mb_cols; mb_col+=2) |
| { |
| int mb_rate = 0; |
| #if CONFIG_SUPERBLOCKS |
| int sb_rate = INT_MAX; |
| #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 |
| |
| // Pick modes assuming the SB is coded as 4 independent MBs |
| pick_mb_modes (cpi, cm, mb_row, mb_col, x, xd, tp, &mb_rate); |
| |
| 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 |
| // Pick a mode assuming that it applies all 4 of the MBs in the SB |
| pick_sb_modes(cpi, cm, mb_row, mb_col, x, xd, &sb_rate); |
| |
| // Decide whether to encode as a SB or 4xMBs |
| if(sb_rate < mb_rate) |
| { |
| x->encode_as_sb = 1; |
| *totalrate += sb_rate; |
| } |
| else |
| #endif |
| { |
| x->encode_as_sb = 0; |
| *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; |
| |
| 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; |
| |
| xd->left_context = &cm->left_context; |
| |
| vp8_zero(cpi->count_mb_ref_frame_usage) |
| vp8_zero(cpi->ymode_count) |
| vp8_zero(cpi->uv_mode_count) |
| |
| x->mvc = cm->fc.mvc; |
| #if CONFIG_HIGH_PRECISION_MV |
| x->mvc_hp = cm->fc.mvc_hp; |
| #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(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; |
| |
| // 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 ); |
| |
| // 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 |
| if (cm->mcomp_filter_type == SIXTAP) |
| { |
| xd->subpixel_predict = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, sixtap4x4); |
| xd->subpixel_predict8x4 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, sixtap8x4); |
| xd->subpixel_predict8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, sixtap8x8); |
| xd->subpixel_predict16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, sixtap16x16); |
| xd->subpixel_predict_avg = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, sixtap_avg4x4); |
| xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, sixtap_avg8x8); |
| xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, sixtap_avg16x16); |
| } |
| #if CONFIG_ENHANCED_INTERP |
| else if (cm->mcomp_filter_type == EIGHTTAP) |
| { |
| xd->subpixel_predict = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap4x4); |
| xd->subpixel_predict8x4 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap8x4); |
| xd->subpixel_predict8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap8x8); |
| xd->subpixel_predict16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap16x16); |
| xd->subpixel_predict_avg = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap_avg4x4); |
| xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap_avg8x8); |
| xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap_avg16x16); |
| } |
| else if (cm->mcomp_filter_type == EIGHTTAP_SHARP) |
| { |
| xd->subpixel_predict = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap4x4_sharp); |
| xd->subpixel_predict8x4 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap8x4_sharp); |
| xd->subpixel_predict8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap8x8_sharp); |
| xd->subpixel_predict16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap16x16_sharp); |
| xd->subpixel_predict_avg = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap_avg4x4_sharp); |
| xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap_avg8x8_sharp); |
| xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, eighttap_avg16x16_sharp); |
| } |
| #endif |
| else |
| { |
| xd->subpixel_predict = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, bilinear4x4); |
| xd->subpixel_predict8x4 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, bilinear8x4); |
| xd->subpixel_predict8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, bilinear8x8); |
| xd->subpixel_predict16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, bilinear16x16); |
| xd->subpixel_predict_avg = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, bilinear_avg4x4); |
| xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, bilinear_avg8x8); |
| xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE( |
| &cpi->common.rtcd.subpix, bilinear_avg16x16); |
| } |
| |
| // Reset frame count of inter 0,0 motion vector usage. |
| cpi->inter_zz_count = 0; |
| |
| cpi->prediction_error = 0; |
| cpi->intra_error = 0; |
| #if CONFIG_NEWENTROPY |
| 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; |
| #else |
| cpi->skip_true_count = 0; |
| cpi->skip_false_count = 0; |
| #endif |
| |
| #if 0 |
| // Experimental code |
| cpi->frame_distortion = 0; |
| cpi->last_mb_distortion = 0; |
| #endif |
| |
| xd->mode_info_context = cm->mi; |
| xd->prev_mode_info_context = cm->prev_mi; |
| |
| vp8_zero(cpi->MVcount); |
| #if CONFIG_HIGH_PRECISION_MV |
| vp8_zero(cpi->MVcount_hp); |
| #endif |
| vp8_zero(cpi->coef_counts); |
| |
| 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); |
| |
| cpi->rd_single_diff = cpi->rd_comp_diff = cpi->rd_hybrid_diff = 0; |
| vpx_memset(cpi->single_pred_count, 0, sizeof(cpi->single_pred_count)); |
| vpx_memset(cpi->comp_pred_count, 0, sizeof(cpi->comp_pred_count)); |
| |
| { |
| 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; |
| } |
| } |
| |
| void vp8_encode_frame(VP8_COMP *cpi) |
| { |
| if (cpi->sf.RD) |
| { |
| int frame_type, pred_type; |
| int redo = 0; |
| int single_diff, comp_diff, hybrid_diff; |
| |
| /* |
| * 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. If the difference is above a certain |
| * threshold, it will actually re-encode the current frame using |
| * that different coding mode. |
| */ |
| 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; |
| |
| 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)) |
| pred_type = COMP_PREDICTION_ONLY; |
| else if (cpi->rd_prediction_type_threshes[frame_type][0] > |
| cpi->rd_prediction_type_threshes[frame_type][1] && |
| 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; |
| |
| cpi->common.comp_pred_mode = pred_type; |
| encode_frame_internal(cpi); |
| |
| single_diff = cpi->rd_single_diff / cpi->common.MBs; |
| cpi->rd_prediction_type_threshes[frame_type][0] += single_diff; |
| cpi->rd_prediction_type_threshes[frame_type][0] >>= 1; |
| comp_diff = cpi->rd_comp_diff / cpi->common.MBs; |
| cpi->rd_prediction_type_threshes[frame_type][1] += comp_diff; |
| cpi->rd_prediction_type_threshes[frame_type][1] >>= 1; |
| hybrid_diff = cpi->rd_hybrid_diff / cpi->common.MBs; |
| cpi->rd_prediction_type_threshes[frame_type][2] += hybrid_diff; |
| cpi->rd_prediction_type_threshes[frame_type][2] >>= 1; |
| |
| if (cpi->common.comp_pred_mode == HYBRID_PREDICTION) |
| { |
| int single_count_zero = 0; |
| int comp_count_zero = 0; |
| int i; |
| |
| 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; |
| } |
| } |
| } |
| 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 |
| |
| ++cpi->ymode_count[m]; |
| ++cpi->uv_mode_count[uvm]; |
| |
| } |
| |
| // Experimental stub function to create a per MB zbin adjustment based on |
| // some previously calculated measure of MB activity. |
| static void adjust_act_zbin( VP8_COMP *cpi, MACROBLOCK *x ) |
| { |
| #if USE_ACT_INDEX |
| x->act_zbin_adj = *(x->mb_activity_ptr); |
| #else |
| int64_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 |
| } |
| |
| void vp8cx_encode_intra_macro_block(VP8_COMP *cpi, |
| MACROBLOCK *x, |
| TOKENEXTRA **t, |
| int output_enabled) |
| { |
| if((cpi->oxcf.tuning == VP8_TUNE_SSIM) && output_enabled) |
| { |
| adjust_act_zbin( cpi, x ); |
| vp8_update_zbin_extra(cpi, x); |
| } |
| |
| /* test code: set transform size based on mode selection */ |
| if(cpi->common.txfm_mode == ALLOW_8X8 |
| && ( x->e_mbd.mode_info_context->mbmi.mode == DC_PRED |
| || x->e_mbd.mode_info_context->mbmi.mode == TM_PRED)) |
| { |
| x->e_mbd.mode_info_context->mbmi.txfm_size = TX_8X8; |
| cpi->t8x8_count++; |
| } |
| else |
| { |
| x->e_mbd.mode_info_context->mbmi.txfm_size = TX_4X4; |
| cpi->t4x4_count ++; |
| } |
| |
| if(x->e_mbd.mode_info_context->mbmi.mode == I8X8_PRED) |
| { |
| vp8_encode_intra8x8mby(IF_RTCD(&cpi->rtcd), x); |
| vp8_encode_intra8x8mbuv(IF_RTCD(&cpi->rtcd), x); |
| } |
| else if (x->e_mbd.mode_info_context->mbmi.mode == B_PRED) |
| vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x); |
| else |
| vp8_encode_intra16x16mby(IF_RTCD(&cpi->rtcd), x); |
| |
| if(x->e_mbd.mode_info_context->mbmi.mode != I8X8_PRED) |
| vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x); |
| |
| if (output_enabled) |
| { |
| // Tokenize |
| sum_intra_stats(cpi, x); |
| vp8_tokenize_mb(cpi, &x->e_mbd, t); |
| } |
| } |
| #ifdef SPEEDSTATS |
| extern int cnt_pm; |
| #endif |
| |
| extern void vp8_fix_contexts(MACROBLOCKD *x); |
| |
| 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; |
| int intra_error = 0; |
| int rate; |
| int distortion; |
| unsigned char *segment_id = &xd->mode_info_context->mbmi.segment_id; |
| int seg_ref_active; |
| unsigned char ref_pred_flag; |
| |
| 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 ); |
| |
| /* test code: set transform size based on mode selection */ |
| if( cpi->common.txfm_mode == ALLOW_8X8 |
| && x->e_mbd.mode_info_context->mbmi.mode != I8X8_PRED |
| && x->e_mbd.mode_info_context->mbmi.mode != B_PRED |
| && x->e_mbd.mode_info_context->mbmi.mode != SPLITMV) |
| { |
| x->e_mbd.mode_info_context->mbmi.txfm_size = TX_8X8; |
| cpi->t8x8_count ++; |
| } |
| else |
| { |
| x->e_mbd.mode_info_context->mbmi.txfm_size = TX_4X4; |
| cpi->t4x4_count++; |
| } |
| |
| // 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. |
| 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 ) ) |
| { |
| // TODO this may not be a good idea as it makes sample size small and means |
| // the predictor functions cannot use data about most likely value only most |
| // likely unpredicted value. |
| //#if CONFIG_COMPRED |
| // // Only update count for incorrectly predicted cases |
| // if ( !ref_pred_flag ) |
| //#endif |
| { |
| cpi->count_mb_ref_frame_usage |
| [xd->mode_info_context->mbmi.ref_frame]++; |
| } |
| } |
| |
| if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) |
| { |
| if (xd->mode_info_context->mbmi.mode == B_PRED) |
| { |
| vp8_encode_intra16x16mbuv(IF_RTCD(&cpi->rtcd), x); |
| vp8_encode_intra4x4mby(IF_RTCD(&cpi->rtcd), x); |
| } |
| else if(xd->mode_info_context->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 (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; |
| } |
| |
| if (!x->skip) |
| { |
| vp8_encode_inter16x16(IF_RTCD(&cpi->rtcd), x); |
| |
| // Clear mb_skip_coeff if mb_no_coeff_skip is not set |
| if (!cpi->common.mb_no_coeff_skip) |
| xd->mode_info_context->mbmi.mb_skip_coeff = 0; |
| |
| } |
| else |
| { |
| vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer, |
| xd->dst.u_buffer, xd->dst.v_buffer, |
| xd->dst.y_stride, xd->dst.uv_stride); |
| } |
| } |
| |
| if (!x->skip) |
| { |
| #ifdef ENC_DEBUG |
| if (enc_debug) |
| { |
| int i; |
| printf("Segment=%d [%d, %d]: %d %d:\n", x->e_mbd.mode_info_context->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 |
| if (output_enabled) |
| vp8_tokenize_mb(cpi, xd, t); |
| #ifdef ENC_DEBUG |
| if (enc_debug) { |
| printf("Tokenized\n"); |
| fflush(stdout); |
| } |
| #endif |
| } |
| else |
| { |
| #if CONFIG_NEWENTROPY |
| 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; |
| #endif |
| if (cpi->common.mb_no_coeff_skip) |
| { |
| xd->mode_info_context->mbmi.mb_skip_coeff = 1; |
| #if CONFIG_NEWENTROPY |
| cpi->skip_true_count[mb_skip_context] ++; |
| #else |
| cpi->skip_true_count ++; |
| #endif |
| vp8_fix_contexts(xd); |
| } |
| else |
| { |
| vp8_stuff_mb(cpi, xd, t); |
| xd->mode_info_context->mbmi.mb_skip_coeff = 0; |
| #if CONFIG_NEWENTROPY |
| cpi->skip_false_count[mb_skip_context] ++; |
| #else |
| cpi->skip_false_count ++; |
| #endif |
| } |
| } |
| } |