/* * 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_config.h" #include "vp9/common/vp9_filter.h" #include "vp9/common/vp9_onyxc_int.h" #include "vp9/common/vp9_reconinter.h" #include "vp9/encoder/vp9_onyx_int.h" #include "vp9/common/vp9_systemdependent.h" #include "vp9/encoder/vp9_quantize.h" #include "vp9/common/vp9_alloccommon.h" #include "vp9/encoder/vp9_mcomp.h" #include "vp9/encoder/vp9_firstpass.h" #include "vp9/encoder/vp9_psnr.h" #include "vpx_scale/vpx_scale.h" #include "vp9/common/vp9_extend.h" #include "vp9/encoder/vp9_ratectrl.h" #include "vp9/common/vp9_quant_common.h" #include "vp9/common/vp9_tile_common.h" #include "vp9/encoder/vp9_segmentation.h" #include "./vp9_rtcd.h" #include "./vpx_scale_rtcd.h" #if CONFIG_POSTPROC #include "vp9/common/vp9_postproc.h" #endif #include "vpx_mem/vpx_mem.h" #include "vpx_ports/vpx_timer.h" #include "vp9/common/vp9_seg_common.h" #include "vp9/encoder/vp9_mbgraph.h" #include "vp9/common/vp9_pred_common.h" #include "vp9/encoder/vp9_rdopt.h" #include "vp9/encoder/vp9_bitstream.h" #include "vp9/encoder/vp9_picklpf.h" #include "vp9/common/vp9_mvref_common.h" #include "vp9/encoder/vp9_temporal_filter.h" #include #include #include extern void print_tree_update_probs(); static void set_default_lf_deltas(struct loopfilter *lf); #define DEFAULT_INTERP_FILTER SWITCHABLE #define SEARCH_BEST_FILTER 0 /* to search exhaustively for best filter */ #define RESET_FOREACH_FILTER 0 /* whether to reset the encoder state before trying each new filter */ #define SHARP_FILTER_QTHRESH 0 /* Q threshold for 8-tap sharp filter */ #define ALTREF_HIGH_PRECISION_MV 1 /* whether to use high precision mv for altref computation */ #define HIGH_PRECISION_MV_QTHRESH 200 /* Q threshold for use of high precision mv. Choose a very high value for now so that HIGH_PRECISION is always chosen */ #if CONFIG_INTERNAL_STATS #include "math.h" extern double vp9_calc_ssim(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest, int lumamask, double *weight); extern double vp9_calc_ssimg(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest, double *ssim_y, double *ssim_u, double *ssim_v); #endif // #define OUTPUT_YUV_REC #ifdef OUTPUT_YUV_SRC FILE *yuv_file; #endif #ifdef OUTPUT_YUV_REC FILE *yuv_rec_file; #endif #if 0 FILE *framepsnr; FILE *kf_list; FILE *keyfile; #endif #ifdef ENTROPY_STATS extern int intra_mode_stats[VP9_INTRA_MODES] [VP9_INTRA_MODES] [VP9_INTRA_MODES]; #endif #ifdef MODE_STATS extern void init_tx_count_stats(); extern void write_tx_count_stats(); extern void init_switchable_interp_stats(); extern void write_switchable_interp_stats(); #endif #ifdef SPEEDSTATS unsigned int frames_at_speed[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; #endif #if defined(SECTIONBITS_OUTPUT) extern unsigned __int64 Sectionbits[500]; #endif extern void vp9_init_quantizer(VP9_COMP *cpi); // Tables relating active max Q to active min Q static int kf_low_motion_minq[QINDEX_RANGE]; static int kf_high_motion_minq[QINDEX_RANGE]; static int gf_low_motion_minq[QINDEX_RANGE]; static int gf_high_motion_minq[QINDEX_RANGE]; static int inter_minq[QINDEX_RANGE]; static INLINE void Scale2Ratio(int mode, int *hr, int *hs) { switch (mode) { case NORMAL: *hr = 1; *hs = 1; break; case FOURFIVE: *hr = 4; *hs = 5; break; case THREEFIVE: *hr = 3; *hs = 5; break; case ONETWO: *hr = 1; *hs = 2; break; default: *hr = 1; *hs = 1; assert(0); break; } } // Functions to compute the active minq lookup table entries based on a // formulaic approach to facilitate easier adjustment of the Q tables. // The formulae were derived from computing a 3rd order polynomial best // fit to the original data (after plotting real maxq vs minq (not q index)) static int calculate_minq_index(double maxq, double x3, double x2, double x1, double c) { int i; const double minqtarget = MIN(((x3 * maxq + x2) * maxq + x1) * maxq + c, maxq); // Special case handling to deal with the step from q2.0 // down to lossless mode represented by q 1.0. if (minqtarget <= 2.0) return 0; for (i = 0; i < QINDEX_RANGE; i++) { if (minqtarget <= vp9_convert_qindex_to_q(i)) return i; } return QINDEX_RANGE - 1; } static void init_minq_luts(void) { int i; for (i = 0; i < QINDEX_RANGE; i++) { const double maxq = vp9_convert_qindex_to_q(i); kf_low_motion_minq[i] = calculate_minq_index(maxq, 0.000001, -0.0004, 0.15, 0.0); kf_high_motion_minq[i] = calculate_minq_index(maxq, 0.000002, -0.0012, 0.5, 0.0); gf_low_motion_minq[i] = calculate_minq_index(maxq, 0.0000015, -0.0009, 0.33, 0.0); gf_high_motion_minq[i] = calculate_minq_index(maxq, 0.0000021, -0.00125, 0.45, 0.0); inter_minq[i] = calculate_minq_index(maxq, 0.00000271, -0.00113, 0.697, 0.0); } } static void set_mvcost(MACROBLOCK *mb) { if (mb->e_mbd.allow_high_precision_mv) { mb->mvcost = mb->nmvcost_hp; mb->mvsadcost = mb->nmvsadcost_hp; } else { mb->mvcost = mb->nmvcost; mb->mvsadcost = mb->nmvsadcost; } } void vp9_initialize_enc() { static int init_done = 0; if (!init_done) { vp9_initialize_common(); vp9_tokenize_initialize(); vp9_init_quant_tables(); vp9_init_me_luts(); init_minq_luts(); // init_base_skip_probs(); init_done = 1; } } static void setup_features(VP9_COMMON *cm) { struct loopfilter *const lf = &cm->lf; struct segmentation *const seg = &cm->seg; // Set up default state for MB feature flags seg->enabled = 0; seg->update_map = 0; seg->update_data = 0; vpx_memset(seg->tree_probs, 255, sizeof(seg->tree_probs)); vp9_clearall_segfeatures(seg); lf->mode_ref_delta_enabled = 0; lf->mode_ref_delta_update = 0; vp9_zero(lf->ref_deltas); vp9_zero(lf->mode_deltas); vp9_zero(lf->last_ref_deltas); vp9_zero(lf->last_mode_deltas); set_default_lf_deltas(lf); } static void dealloc_compressor_data(VP9_COMP *cpi) { // Delete sementation map vpx_free(cpi->segmentation_map); cpi->segmentation_map = 0; vpx_free(cpi->common.last_frame_seg_map); cpi->common.last_frame_seg_map = 0; vpx_free(cpi->coding_context.last_frame_seg_map_copy); cpi->coding_context.last_frame_seg_map_copy = 0; vpx_free(cpi->active_map); cpi->active_map = 0; vp9_free_frame_buffers(&cpi->common); vp9_free_frame_buffer(&cpi->last_frame_uf); vp9_free_frame_buffer(&cpi->scaled_source); vp9_free_frame_buffer(&cpi->alt_ref_buffer); vp9_lookahead_destroy(cpi->lookahead); vpx_free(cpi->tok); cpi->tok = 0; // Activity mask based per mb zbin adjustments vpx_free(cpi->mb_activity_map); cpi->mb_activity_map = 0; vpx_free(cpi->mb_norm_activity_map); cpi->mb_norm_activity_map = 0; vpx_free(cpi->mb.pip); cpi->mb.pip = 0; } // Computes a q delta (in "q index" terms) to get from a starting q value // to a target value // target q value static int compute_qdelta(VP9_COMP *cpi, double qstart, double qtarget) { int i; int start_index = cpi->worst_quality; int target_index = cpi->worst_quality; // Convert the average q value to an index. for (i = cpi->best_quality; i < cpi->worst_quality; i++) { start_index = i; if (vp9_convert_qindex_to_q(i) >= qstart) break; } // Convert the q target to an index for (i = cpi->best_quality; i < cpi->worst_quality; i++) { target_index = i; if (vp9_convert_qindex_to_q(i) >= qtarget) break; } return target_index - start_index; } static void configure_static_seg_features(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; struct segmentation *seg = &cm->seg; int high_q = (int)(cpi->avg_q > 48.0); int qi_delta; // Disable and clear down for KF if (cm->frame_type == KEY_FRAME) { // Clear down the global segmentation map vpx_memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols); seg->update_map = 0; seg->update_data = 0; cpi->static_mb_pct = 0; // Disable segmentation vp9_disable_segmentation((VP9_PTR)cpi); // Clear down the segment features. vp9_clearall_segfeatures(seg); } else if (cpi->refresh_alt_ref_frame) { // If this is an alt ref frame // Clear down the global segmentation map vpx_memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols); seg->update_map = 0; seg->update_data = 0; cpi->static_mb_pct = 0; // Disable segmentation and individual segment features by default vp9_disable_segmentation((VP9_PTR)cpi); vp9_clearall_segfeatures(seg); // Scan frames from current to arf frame. // This function re-enables segmentation if appropriate. vp9_update_mbgraph_stats(cpi); // If segmentation was enabled set those features needed for the // arf itself. if (seg->enabled) { seg->update_map = 1; seg->update_data = 1; qi_delta = compute_qdelta(cpi, cpi->avg_q, (cpi->avg_q * 0.875)); vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, (qi_delta - 2)); vp9_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2); vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q); vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_LF); // Where relevant assume segment data is delta data seg->abs_delta = SEGMENT_DELTADATA; } } else if (seg->enabled) { // All other frames if segmentation has been enabled // First normal frame in a valid gf or alt ref group if (cpi->frames_since_golden == 0) { // Set up segment features for normal frames in an arf group if (cpi->source_alt_ref_active) { seg->update_map = 0; seg->update_data = 1; seg->abs_delta = SEGMENT_DELTADATA; qi_delta = compute_qdelta(cpi, cpi->avg_q, (cpi->avg_q * 1.125)); vp9_set_segdata(seg, 1, SEG_LVL_ALT_Q, (qi_delta + 2)); vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_Q); vp9_set_segdata(seg, 1, SEG_LVL_ALT_LF, -2); vp9_enable_segfeature(seg, 1, SEG_LVL_ALT_LF); // Segment coding disabled for compred testing if (high_q || (cpi->static_mb_pct == 100)) { vp9_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME); vp9_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME); vp9_enable_segfeature(seg, 1, SEG_LVL_SKIP); } } else { // Disable segmentation and clear down features if alt ref // is not active for this group vp9_disable_segmentation((VP9_PTR)cpi); vpx_memset(cpi->segmentation_map, 0, cm->mi_rows * cm->mi_cols); seg->update_map = 0; seg->update_data = 0; vp9_clearall_segfeatures(seg); } } else if (cpi->is_src_frame_alt_ref) { // Special case where we are coding over the top of a previous // alt ref frame. // Segment coding disabled for compred testing // Enable ref frame features for segment 0 as well vp9_enable_segfeature(seg, 0, SEG_LVL_REF_FRAME); vp9_enable_segfeature(seg, 1, SEG_LVL_REF_FRAME); // All mbs should use ALTREF_FRAME vp9_clear_segdata(seg, 0, SEG_LVL_REF_FRAME); vp9_set_segdata(seg, 0, SEG_LVL_REF_FRAME, ALTREF_FRAME); vp9_clear_segdata(seg, 1, SEG_LVL_REF_FRAME); vp9_set_segdata(seg, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME); // Skip all MBs if high Q (0,0 mv and skip coeffs) if (high_q) { vp9_enable_segfeature(seg, 0, SEG_LVL_SKIP); vp9_enable_segfeature(seg, 1, SEG_LVL_SKIP); } // Enable data update seg->update_data = 1; } else { // All other frames. // No updates.. leave things as they are. seg->update_map = 0; seg->update_data = 0; } } } #ifdef ENTROPY_STATS void vp9_update_mode_context_stats(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; int i, j; unsigned int (*inter_mode_counts)[VP9_INTER_MODES - 1][2] = cm->fc.inter_mode_counts; int64_t (*mv_ref_stats)[VP9_INTER_MODES - 1][2] = cpi->mv_ref_stats; FILE *f; // Read the past stats counters f = fopen("mode_context.bin", "rb"); if (!f) { vpx_memset(cpi->mv_ref_stats, 0, sizeof(cpi->mv_ref_stats)); } else { fread(cpi->mv_ref_stats, sizeof(cpi->mv_ref_stats), 1, f); fclose(f); } // Add in the values for this frame for (i = 0; i < INTER_MODE_CONTEXTS; i++) { for (j = 0; j < VP9_INTER_MODES - 1; j++) { mv_ref_stats[i][j][0] += (int64_t)inter_mode_counts[i][j][0]; mv_ref_stats[i][j][1] += (int64_t)inter_mode_counts[i][j][1]; } } // Write back the accumulated stats f = fopen("mode_context.bin", "wb"); fwrite(cpi->mv_ref_stats, sizeof(cpi->mv_ref_stats), 1, f); fclose(f); } void print_mode_context(VP9_COMP *cpi) { FILE *f = fopen("vp9_modecont.c", "a"); int i, j; fprintf(f, "#include \"vp9_entropy.h\"\n"); fprintf( f, "const int inter_mode_probs[INTER_MODE_CONTEXTS][VP9_INTER_MODES - 1] ="); fprintf(f, "{\n"); for (j = 0; j < INTER_MODE_CONTEXTS; j++) { fprintf(f, " {/* %d */ ", j); fprintf(f, " "); for (i = 0; i < VP9_INTER_MODES - 1; i++) { int this_prob; int64_t count = cpi->mv_ref_stats[j][i][0] + cpi->mv_ref_stats[j][i][1]; if (count) this_prob = ((cpi->mv_ref_stats[j][i][0] * 256) + (count >> 1)) / count; else this_prob = 128; // context probs fprintf(f, "%5d, ", this_prob); } fprintf(f, " },\n"); } fprintf(f, "};\n"); fclose(f); } #endif // ENTROPY_STATS // DEBUG: Print out the segment id of each MB in the current frame. static void print_seg_map(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; int row, col; int map_index = 0; FILE *statsfile = fopen("segmap.stt", "a"); fprintf(statsfile, "%10d\n", cm->current_video_frame); for (row = 0; row < cpi->common.mi_rows; row++) { for (col = 0; col < cpi->common.mi_cols; col++) { fprintf(statsfile, "%10d", cpi->segmentation_map[map_index]); map_index++; } fprintf(statsfile, "\n"); } fprintf(statsfile, "\n"); fclose(statsfile); } static void update_reference_segmentation_map(VP9_COMP *cpi) { VP9_COMMON *const cm = &cpi->common; int row, col; MODE_INFO *mi, *mi_ptr = cm->mi; uint8_t *cache_ptr = cm->last_frame_seg_map, *cache; for (row = 0; row < cm->mi_rows; row++) { mi = mi_ptr; cache = cache_ptr; for (col = 0; col < cm->mi_cols; col++, mi++, cache++) cache[0] = mi->mbmi.segment_id; mi_ptr += cm->mode_info_stride; cache_ptr += cm->mi_cols; } } static void set_default_lf_deltas(struct loopfilter *lf) { lf->mode_ref_delta_enabled = 1; lf->mode_ref_delta_update = 1; vp9_zero(lf->ref_deltas); vp9_zero(lf->mode_deltas); // Test of ref frame deltas lf->ref_deltas[INTRA_FRAME] = 2; lf->ref_deltas[LAST_FRAME] = 0; lf->ref_deltas[GOLDEN_FRAME] = -2; lf->ref_deltas[ALTREF_FRAME] = -2; lf->mode_deltas[0] = 0; // Zero lf->mode_deltas[1] = 0; // New mv } static void set_rd_speed_thresholds(VP9_COMP *cpi, int mode, int speed) { SPEED_FEATURES *sf = &cpi->sf; int speed_multiplier = speed + 1; int i; // Set baseline threshold values for (i = 0; i < MAX_MODES; ++i) sf->thresh_mult[i] = mode == 0 ? -500 : 0; sf->thresh_mult[THR_NEARESTMV] = 0; sf->thresh_mult[THR_NEARESTG] = 0; sf->thresh_mult[THR_NEARESTA] = 0; sf->thresh_mult[THR_NEWMV] += speed_multiplier * 1000; sf->thresh_mult[THR_COMP_NEARESTLA] += speed_multiplier * 1000; sf->thresh_mult[THR_NEARMV] += speed_multiplier * 1000; sf->thresh_mult[THR_COMP_NEARESTGA] += speed_multiplier * 1000; sf->thresh_mult[THR_DC] += speed_multiplier * 1000; sf->thresh_mult[THR_NEWG] += speed_multiplier * 1000; sf->thresh_mult[THR_NEWA] += speed_multiplier * 1000; sf->thresh_mult[THR_NEARA] += speed_multiplier * 1000; sf->thresh_mult[THR_TM] += speed_multiplier * 1000; sf->thresh_mult[THR_COMP_NEARLA] += speed_multiplier * 1500; sf->thresh_mult[THR_COMP_NEWLA] += speed_multiplier * 2000; sf->thresh_mult[THR_NEARG] += speed_multiplier * 1000; sf->thresh_mult[THR_COMP_NEARGA] += speed_multiplier * 1500; sf->thresh_mult[THR_COMP_NEWGA] += speed_multiplier * 2000; sf->thresh_mult[THR_SPLITMV] += speed_multiplier * 2500; sf->thresh_mult[THR_SPLITG] += speed_multiplier * 2500; sf->thresh_mult[THR_SPLITA] += speed_multiplier * 2500; sf->thresh_mult[THR_COMP_SPLITLA] += speed_multiplier * 4500; sf->thresh_mult[THR_COMP_SPLITGA] += speed_multiplier * 4500; sf->thresh_mult[THR_ZEROMV] += speed_multiplier * 2000; sf->thresh_mult[THR_ZEROG] += speed_multiplier * 2000; sf->thresh_mult[THR_ZEROA] += speed_multiplier * 2000; sf->thresh_mult[THR_COMP_ZEROLA] += speed_multiplier * 2500; sf->thresh_mult[THR_COMP_ZEROGA] += speed_multiplier * 2500; sf->thresh_mult[THR_B_PRED] += speed_multiplier * 2500; sf->thresh_mult[THR_H_PRED] += speed_multiplier * 2000; sf->thresh_mult[THR_V_PRED] += speed_multiplier * 2000; sf->thresh_mult[THR_D45_PRED ] += speed_multiplier * 2500; sf->thresh_mult[THR_D135_PRED] += speed_multiplier * 2500; sf->thresh_mult[THR_D117_PRED] += speed_multiplier * 2500; sf->thresh_mult[THR_D153_PRED] += speed_multiplier * 2500; sf->thresh_mult[THR_D207_PRED] += speed_multiplier * 2500; sf->thresh_mult[THR_D63_PRED] += speed_multiplier * 2500; if (cpi->sf.skip_lots_of_modes) { for (i = 0; i < MAX_MODES; ++i) sf->thresh_mult[i] = INT_MAX; sf->thresh_mult[THR_DC] = 2000; sf->thresh_mult[THR_TM] = 2000; sf->thresh_mult[THR_NEWMV] = 4000; sf->thresh_mult[THR_NEWG] = 4000; sf->thresh_mult[THR_NEWA] = 4000; sf->thresh_mult[THR_NEARESTMV] = 0; sf->thresh_mult[THR_NEARESTG] = 0; sf->thresh_mult[THR_NEARESTA] = 0; sf->thresh_mult[THR_NEARMV] = 2000; sf->thresh_mult[THR_NEARG] = 2000; sf->thresh_mult[THR_NEARA] = 2000; sf->thresh_mult[THR_COMP_NEARESTLA] = 2000; sf->thresh_mult[THR_SPLITMV] = 2500; sf->thresh_mult[THR_SPLITG] = 2500; sf->thresh_mult[THR_SPLITA] = 2500; sf->recode_loop = 0; } /* disable frame modes if flags not set */ if (!(cpi->ref_frame_flags & VP9_LAST_FLAG)) { sf->thresh_mult[THR_NEWMV ] = INT_MAX; sf->thresh_mult[THR_NEARESTMV] = INT_MAX; sf->thresh_mult[THR_ZEROMV ] = INT_MAX; sf->thresh_mult[THR_NEARMV ] = INT_MAX; sf->thresh_mult[THR_SPLITMV ] = INT_MAX; } if (!(cpi->ref_frame_flags & VP9_GOLD_FLAG)) { sf->thresh_mult[THR_NEARESTG ] = INT_MAX; sf->thresh_mult[THR_ZEROG ] = INT_MAX; sf->thresh_mult[THR_NEARG ] = INT_MAX; sf->thresh_mult[THR_NEWG ] = INT_MAX; sf->thresh_mult[THR_SPLITG ] = INT_MAX; } if (!(cpi->ref_frame_flags & VP9_ALT_FLAG)) { sf->thresh_mult[THR_NEARESTA ] = INT_MAX; sf->thresh_mult[THR_ZEROA ] = INT_MAX; sf->thresh_mult[THR_NEARA ] = INT_MAX; sf->thresh_mult[THR_NEWA ] = INT_MAX; sf->thresh_mult[THR_SPLITA ] = INT_MAX; } if ((cpi->ref_frame_flags & (VP9_LAST_FLAG | VP9_ALT_FLAG)) != (VP9_LAST_FLAG | VP9_ALT_FLAG)) { sf->thresh_mult[THR_COMP_ZEROLA ] = INT_MAX; sf->thresh_mult[THR_COMP_NEARESTLA] = INT_MAX; sf->thresh_mult[THR_COMP_NEARLA ] = INT_MAX; sf->thresh_mult[THR_COMP_NEWLA ] = INT_MAX; sf->thresh_mult[THR_COMP_SPLITLA ] = INT_MAX; } if ((cpi->ref_frame_flags & (VP9_GOLD_FLAG | VP9_ALT_FLAG)) != (VP9_GOLD_FLAG | VP9_ALT_FLAG)) { sf->thresh_mult[THR_COMP_ZEROGA ] = INT_MAX; sf->thresh_mult[THR_COMP_NEARESTGA] = INT_MAX; sf->thresh_mult[THR_COMP_NEARGA ] = INT_MAX; sf->thresh_mult[THR_COMP_NEWGA ] = INT_MAX; sf->thresh_mult[THR_COMP_SPLITGA ] = INT_MAX; } if (sf->disable_splitmv == 1) { sf->thresh_mult[THR_SPLITMV ] = INT_MAX; sf->thresh_mult[THR_SPLITG ] = INT_MAX; sf->thresh_mult[THR_SPLITA ] = INT_MAX; sf->thresh_mult[THR_COMP_SPLITLA ] = INT_MAX; sf->thresh_mult[THR_COMP_SPLITGA ] = INT_MAX; } } void vp9_set_speed_features(VP9_COMP *cpi) { SPEED_FEATURES *sf = &cpi->sf; int mode = cpi->compressor_speed; int speed = cpi->speed; int i; // Only modes 0 and 1 supported for now in experimental code basae if (mode > 1) mode = 1; // Initialise default mode frequency sampling variables for (i = 0; i < MAX_MODES; i ++) { cpi->mode_check_freq[i] = 0; cpi->mode_test_hit_counts[i] = 0; cpi->mode_chosen_counts[i] = 0; } // best quality defaults sf->RD = 1; sf->search_method = NSTEP; sf->auto_filter = 1; sf->recode_loop = 1; sf->subpel_search_method = SUBPEL_TREE; sf->subpel_iters_per_step = 2; sf->optimize_coefficients = !cpi->oxcf.lossless; sf->reduce_first_step_size = 0; sf->auto_mv_step_size = 0; sf->max_step_search_steps = MAX_MVSEARCH_STEPS; sf->comp_inter_joint_search_thresh = BLOCK_4X4; sf->adaptive_rd_thresh = 0; sf->use_lastframe_partitioning = 0; sf->tx_size_search_method = USE_FULL_RD; sf->use_lp32x32fdct = 0; sf->use_avoid_tested_higherror = 0; sf->reference_masking = 0; sf->skip_lots_of_modes = 0; sf->adjust_thresholds_by_speed = 0; sf->partition_by_variance = 0; sf->use_one_partition_size_always = 0; sf->less_rectangular_check = 0; sf->use_square_partition_only = 0; sf->auto_min_max_partition_size = 0; sf->auto_min_max_partition_interval = 0; sf->auto_min_max_partition_count = 0; sf->max_partition_size = BLOCK_64X64; sf->min_partition_size = BLOCK_4X4; sf->adjust_partitioning_from_last_frame = 0; sf->last_partitioning_redo_frequency = 4; sf->disable_splitmv = 0; sf->mode_search_skip_flags = 0; sf->disable_split_var_thresh = 0; sf->disable_filter_search_var_thresh = 0; sf->last_chroma_intra_mode = TM_PRED; sf->use_rd_breakout = 0; sf->skip_encode_sb = 0; sf->use_uv_intra_rd_estimate = 0; sf->use_fast_lpf_pick = 0; sf->using_small_partition_info = 0; // Skip any mode not chosen at size < X for all sizes > X // Hence BLOCK_64X64 (skip is off) sf->unused_mode_skip_lvl = BLOCK_64X64; #if CONFIG_MULTIPLE_ARF // Switch segmentation off. sf->static_segmentation = 0; #else sf->static_segmentation = 0; #endif switch (mode) { case 0: // best quality mode sf->search_best_filter = SEARCH_BEST_FILTER; break; case 1: #if CONFIG_MULTIPLE_ARF // Switch segmentation off. sf->static_segmentation = 0; #else sf->static_segmentation = 0; #endif sf->use_avoid_tested_higherror = 1; sf->adaptive_rd_thresh = 1; if (speed == 1) { sf->comp_inter_joint_search_thresh = BLOCK_SIZES; sf->less_rectangular_check = 1; sf->tx_size_search_method = ((cpi->common.frame_type == KEY_FRAME || cpi->common.intra_only || cpi->common.show_frame == 0) ? USE_FULL_RD : USE_LARGESTALL); sf->use_square_partition_only = !(cpi->common.frame_type == KEY_FRAME || cpi->common.intra_only || cpi->common.show_frame == 0); sf->disable_splitmv = (MIN(cpi->common.width, cpi->common.height) >= 720)? 1 : 0; sf->unused_mode_skip_lvl = BLOCK_32X32; sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_INTRA_LOWVAR; sf->use_uv_intra_rd_estimate = 1; sf->use_rd_breakout = 1; sf->skip_encode_sb = 1; sf->use_lp32x32fdct = 1; sf->auto_mv_step_size = 1; sf->auto_min_max_partition_size = 1; sf->auto_min_max_partition_interval = 1; // FIXME(jingning): temporarily turn off disable_split_var_thresh // during refactoring process. will get this back after finishing // the main framework of partition search type. sf->disable_split_var_thresh = 0; sf->disable_filter_search_var_thresh = 16; } if (speed == 2) { sf->adjust_thresholds_by_speed = 1; sf->less_rectangular_check = 1; sf->use_square_partition_only = 1; sf->comp_inter_joint_search_thresh = BLOCK_SIZES; sf->use_lastframe_partitioning = 1; sf->adjust_partitioning_from_last_frame = 1; sf->last_partitioning_redo_frequency = 3; sf->unused_mode_skip_lvl = BLOCK_32X32; sf->tx_size_search_method = ((cpi->common.frame_type == KEY_FRAME || cpi->common.intra_only || cpi->common.show_frame == 0) ? USE_FULL_RD : USE_LARGESTALL); sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_COMP_REFMISMATCH | FLAG_SKIP_INTRA_LOWVAR | FLAG_EARLY_TERMINATE; sf->last_chroma_intra_mode = DC_PRED; sf->use_uv_intra_rd_estimate = 1; sf->use_rd_breakout = 1; sf->skip_encode_sb = 1; sf->use_lp32x32fdct = 1; sf->using_small_partition_info = 0; sf->disable_splitmv = (MIN(cpi->common.width, cpi->common.height) >= 720)? 1 : 0; sf->auto_mv_step_size = 1; sf->search_method = SQUARE; sf->subpel_iters_per_step = 1; sf->use_fast_lpf_pick = 1; sf->auto_min_max_partition_size = 1; sf->auto_min_max_partition_interval = 2; sf->disable_split_var_thresh = 32; sf->disable_filter_search_var_thresh = 32; } if (speed == 3) { sf->comp_inter_joint_search_thresh = BLOCK_SIZES; sf->partition_by_variance = 1; sf->tx_size_search_method = ((cpi->common.frame_type == KEY_FRAME || cpi->common.intra_only || cpi->common.show_frame == 0) ? USE_FULL_RD : USE_LARGESTALL); sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_COMP_REFMISMATCH | FLAG_SKIP_INTRA_LOWVAR | FLAG_EARLY_TERMINATE; sf->use_rd_breakout = 1; sf->skip_encode_sb = 1; sf->use_lp32x32fdct = 1; sf->disable_splitmv = 1; sf->auto_mv_step_size = 1; sf->search_method = BIGDIA; sf->subpel_iters_per_step = 1; sf->disable_split_var_thresh = 64; sf->disable_filter_search_var_thresh = 64; } if (speed == 4) { sf->comp_inter_joint_search_thresh = BLOCK_SIZES; sf->use_one_partition_size_always = 1; sf->always_this_block_size = BLOCK_16X16; sf->tx_size_search_method = ((cpi->common.frame_type == KEY_FRAME || cpi->common.intra_only || cpi->common.show_frame == 0) ? USE_FULL_RD : USE_LARGESTALL); sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_COMP_REFMISMATCH | FLAG_SKIP_INTRA_LOWVAR | FLAG_EARLY_TERMINATE; sf->use_rd_breakout = 1; sf->use_lp32x32fdct = 1; sf->optimize_coefficients = 0; sf->auto_mv_step_size = 1; // sf->reduce_first_step_size = 1; // sf->reference_masking = 1; sf->disable_splitmv = 1; sf->search_method = HEX; sf->subpel_iters_per_step = 1; sf->disable_split_var_thresh = 64; sf->disable_filter_search_var_thresh = 96; } /* if (speed == 2) { sf->first_step = 0; sf->comp_inter_joint_search_thresh = BLOCK_8X8; sf->max_partition_size = BLOCK_16X16; } if (speed == 3) { sf->first_step = 0; sf->comp_inter_joint_search_thresh = BLOCK_B8X8; sf->min_partition_size = BLOCK_8X8; } */ break; }; /* switch */ // Set rd thresholds based on mode and speed setting if (cpi->sf.adjust_thresholds_by_speed) set_rd_speed_thresholds(cpi, mode, speed); else set_rd_speed_thresholds(cpi, mode, 0); // Slow quant, dct and trellis not worthwhile for first pass // so make sure they are always turned off. if (cpi->pass == 1) { sf->optimize_coefficients = 0; } cpi->mb.fwd_txm16x16 = vp9_short_fdct16x16; cpi->mb.fwd_txm8x8 = vp9_short_fdct8x8; cpi->mb.fwd_txm8x4 = vp9_short_fdct8x4; cpi->mb.fwd_txm4x4 = vp9_short_fdct4x4; if (cpi->oxcf.lossless || cpi->mb.e_mbd.lossless) { cpi->mb.fwd_txm8x4 = vp9_short_walsh8x4; cpi->mb.fwd_txm4x4 = vp9_short_walsh4x4; } cpi->mb.quantize_b_4x4 = vp9_regular_quantize_b_4x4; if (cpi->sf.subpel_search_method == SUBPEL_ITERATIVE) { cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_iterative; cpi->find_fractional_mv_step_comp = vp9_find_best_sub_pixel_comp_iterative; } else if (cpi->sf.subpel_search_method == SUBPEL_TREE) { cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree; cpi->find_fractional_mv_step_comp = vp9_find_best_sub_pixel_comp_tree; } cpi->mb.optimize = cpi->sf.optimize_coefficients == 1 && cpi->pass != 1; #ifdef SPEEDSTATS frames_at_speed[cpi->speed]++; #endif } static void alloc_raw_frame_buffers(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; cpi->lookahead = vp9_lookahead_init(cpi->oxcf.width, cpi->oxcf.height, cm->subsampling_x, cm->subsampling_y, cpi->oxcf.lag_in_frames); if (!cpi->lookahead) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to allocate lag buffers"); if (vp9_realloc_frame_buffer(&cpi->alt_ref_buffer, cpi->oxcf.width, cpi->oxcf.height, cm->subsampling_x, cm->subsampling_y, VP9BORDERINPIXELS)) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to allocate altref buffer"); } static int alloc_partition_data(VP9_COMP *cpi) { vpx_free(cpi->mb.pip); cpi->mb.pip = vpx_calloc(cpi->common.mode_info_stride * (cpi->common.mi_rows + MI_BLOCK_SIZE), sizeof(PARTITION_INFO)); if (!cpi->mb.pip) return 1; cpi->mb.pi = cpi->mb.pip + cpi->common.mode_info_stride + 1; return 0; } void vp9_alloc_compressor_data(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; if (vp9_alloc_frame_buffers(cm, cm->width, cm->height)) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to allocate frame buffers"); if (alloc_partition_data(cpi)) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to allocate partition data"); if (vp9_alloc_frame_buffer(&cpi->last_frame_uf, cm->width, cm->height, cm->subsampling_x, cm->subsampling_y, VP9BORDERINPIXELS)) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to allocate last frame buffer"); if (vp9_alloc_frame_buffer(&cpi->scaled_source, cm->width, cm->height, cm->subsampling_x, cm->subsampling_y, VP9BORDERINPIXELS)) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to allocate scaled source buffer"); vpx_free(cpi->tok); { unsigned int tokens = get_token_alloc(cm->mb_rows, cm->mb_cols); CHECK_MEM_ERROR(cm, cpi->tok, vpx_calloc(tokens, sizeof(*cpi->tok))); } // Data used for real time vc mode to see if gf needs refreshing cpi->inter_zz_count = 0; cpi->gf_bad_count = 0; cpi->gf_update_recommended = 0; vpx_free(cpi->mb_activity_map); CHECK_MEM_ERROR(cm, cpi->mb_activity_map, vpx_calloc(sizeof(unsigned int), cm->mb_rows * cm->mb_cols)); vpx_free(cpi->mb_norm_activity_map); CHECK_MEM_ERROR(cm, cpi->mb_norm_activity_map, vpx_calloc(sizeof(unsigned int), cm->mb_rows * cm->mb_cols)); } static void update_frame_size(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; vp9_update_frame_size(cm); // Update size of buffers local to this frame if (vp9_realloc_frame_buffer(&cpi->last_frame_uf, cm->width, cm->height, cm->subsampling_x, cm->subsampling_y, VP9BORDERINPIXELS)) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to reallocate last frame buffer"); if (vp9_realloc_frame_buffer(&cpi->scaled_source, cm->width, cm->height, cm->subsampling_x, cm->subsampling_y, VP9BORDERINPIXELS)) vpx_internal_error(&cpi->common.error, VPX_CODEC_MEM_ERROR, "Failed to reallocate scaled source buffer"); { int y_stride = cpi->scaled_source.y_stride; if (cpi->sf.search_method == NSTEP) { vp9_init3smotion_compensation(&cpi->mb, y_stride); } else if (cpi->sf.search_method == DIAMOND) { vp9_init_dsmotion_compensation(&cpi->mb, y_stride); } } } // TODO perhaps change number of steps expose to outside world when setting // max and min limits. Also this will likely want refining for the extended Q // range. // // Table that converts 0-63 Q range values passed in outside to the Qindex // range used internally. static const int q_trans[] = { 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 148, 152, 156, 160, 164, 168, 172, 176, 180, 184, 188, 192, 196, 200, 204, 208, 212, 216, 220, 224, 228, 232, 236, 240, 244, 249, 255, }; int vp9_reverse_trans(int x) { int i; for (i = 0; i < 64; i++) if (q_trans[i] >= x) return i; return 63; }; void vp9_new_framerate(VP9_COMP *cpi, double framerate) { if (framerate < 0.1) framerate = 30; cpi->oxcf.framerate = framerate; cpi->output_framerate = cpi->oxcf.framerate; cpi->per_frame_bandwidth = (int)(cpi->oxcf.target_bandwidth / cpi->output_framerate); cpi->av_per_frame_bandwidth = (int)(cpi->oxcf.target_bandwidth / cpi->output_framerate); cpi->min_frame_bandwidth = (int)(cpi->av_per_frame_bandwidth * cpi->oxcf.two_pass_vbrmin_section / 100); cpi->min_frame_bandwidth = MAX(cpi->min_frame_bandwidth, FRAME_OVERHEAD_BITS); // Set Maximum gf/arf interval cpi->max_gf_interval = 16; // Extended interval for genuinely static scenes cpi->twopass.static_scene_max_gf_interval = cpi->key_frame_frequency >> 1; // Special conditions when alt ref frame enabled in lagged compress mode if (cpi->oxcf.play_alternate && cpi->oxcf.lag_in_frames) { if (cpi->max_gf_interval > cpi->oxcf.lag_in_frames - 1) cpi->max_gf_interval = cpi->oxcf.lag_in_frames - 1; if (cpi->twopass.static_scene_max_gf_interval > cpi->oxcf.lag_in_frames - 1) cpi->twopass.static_scene_max_gf_interval = cpi->oxcf.lag_in_frames - 1; } if (cpi->max_gf_interval > cpi->twopass.static_scene_max_gf_interval) cpi->max_gf_interval = cpi->twopass.static_scene_max_gf_interval; } static int64_t rescale(int val, int64_t num, int denom) { int64_t llnum = num; int64_t llden = denom; int64_t llval = val; return (llval * llnum / llden); } static void set_tile_limits(VP9_COMP *cpi) { VP9_COMMON *const cm = &cpi->common; int min_log2_tile_cols, max_log2_tile_cols; vp9_get_tile_n_bits(cm->mi_cols, &min_log2_tile_cols, &max_log2_tile_cols); cm->log2_tile_cols = clamp(cpi->oxcf.tile_columns, min_log2_tile_cols, max_log2_tile_cols); cm->log2_tile_rows = cpi->oxcf.tile_rows; } static void init_config(VP9_PTR ptr, VP9_CONFIG *oxcf) { VP9_COMP *cpi = (VP9_COMP *)(ptr); VP9_COMMON *const cm = &cpi->common; int i; cpi->oxcf = *oxcf; cpi->goldfreq = 7; cm->version = oxcf->version; cm->width = oxcf->width; cm->height = oxcf->height; cm->subsampling_x = 0; cm->subsampling_y = 0; vp9_alloc_compressor_data(cpi); // change includes all joint functionality vp9_change_config(ptr, oxcf); // Initialize active best and worst q and average q values. cpi->active_worst_quality = cpi->oxcf.worst_allowed_q; cpi->active_best_quality = cpi->oxcf.best_allowed_q; cpi->avg_frame_qindex = cpi->oxcf.worst_allowed_q; // Initialise the starting buffer levels cpi->buffer_level = cpi->oxcf.starting_buffer_level; cpi->bits_off_target = cpi->oxcf.starting_buffer_level; cpi->rolling_target_bits = cpi->av_per_frame_bandwidth; cpi->rolling_actual_bits = cpi->av_per_frame_bandwidth; cpi->long_rolling_target_bits = cpi->av_per_frame_bandwidth; cpi->long_rolling_actual_bits = cpi->av_per_frame_bandwidth; cpi->total_actual_bits = 0; cpi->total_target_vs_actual = 0; cpi->static_mb_pct = 0; cpi->lst_fb_idx = 0; cpi->gld_fb_idx = 1; cpi->alt_fb_idx = 2; set_tile_limits(cpi); cpi->fixed_divide[0] = 0; for (i = 1; i < 512; i++) cpi->fixed_divide[i] = 0x80000 / i; } void vp9_change_config(VP9_PTR ptr, VP9_CONFIG *oxcf) { VP9_COMP *cpi = (VP9_COMP *)(ptr); VP9_COMMON *const cm = &cpi->common; if (!cpi || !oxcf) return; if (cm->version != oxcf->version) { cm->version = oxcf->version; } cpi->oxcf = *oxcf; switch (cpi->oxcf.Mode) { // Real time and one pass deprecated in test code base case MODE_FIRSTPASS: cpi->pass = 1; cpi->compressor_speed = 1; break; case MODE_SECONDPASS: cpi->pass = 2; cpi->compressor_speed = 1; cpi->oxcf.cpu_used = clamp(cpi->oxcf.cpu_used, -5, 5); break; case MODE_SECONDPASS_BEST: cpi->pass = 2; cpi->compressor_speed = 0; break; } cpi->oxcf.worst_allowed_q = q_trans[oxcf->worst_allowed_q]; cpi->oxcf.best_allowed_q = q_trans[oxcf->best_allowed_q]; cpi->oxcf.cq_level = q_trans[cpi->oxcf.cq_level]; cpi->oxcf.lossless = oxcf->lossless; if (cpi->oxcf.lossless) { cpi->mb.e_mbd.inv_txm4x4_1_add = vp9_short_iwalsh4x4_1_add; cpi->mb.e_mbd.inv_txm4x4_add = vp9_short_iwalsh4x4_add; } else { cpi->mb.e_mbd.inv_txm4x4_1_add = vp9_short_idct4x4_1_add; cpi->mb.e_mbd.inv_txm4x4_add = vp9_short_idct4x4_add; } cpi->baseline_gf_interval = DEFAULT_GF_INTERVAL; cpi->ref_frame_flags = VP9_ALT_FLAG | VP9_GOLD_FLAG | VP9_LAST_FLAG; // cpi->use_golden_frame_only = 0; // cpi->use_last_frame_only = 0; cpi->refresh_golden_frame = 0; cpi->refresh_last_frame = 1; cm->refresh_frame_context = 1; cm->reset_frame_context = 0; setup_features(cm); cpi->mb.e_mbd.allow_high_precision_mv = 0; // Default mv precision adaptation set_mvcost(&cpi->mb); { int i; for (i = 0; i < MAX_SEGMENTS; i++) cpi->segment_encode_breakout[i] = cpi->oxcf.encode_breakout; } // At the moment the first order values may not be > MAXQ cpi->oxcf.fixed_q = MIN(cpi->oxcf.fixed_q, MAXQ); // local file playback mode == really big buffer if (cpi->oxcf.end_usage == USAGE_LOCAL_FILE_PLAYBACK) { cpi->oxcf.starting_buffer_level = 60000; cpi->oxcf.optimal_buffer_level = 60000; cpi->oxcf.maximum_buffer_size = 240000; } // Convert target bandwidth from Kbit/s to Bit/s cpi->oxcf.target_bandwidth *= 1000; cpi->oxcf.starting_buffer_level = rescale(cpi->oxcf.starting_buffer_level, cpi->oxcf.target_bandwidth, 1000); // Set or reset optimal and maximum buffer levels. if (cpi->oxcf.optimal_buffer_level == 0) cpi->oxcf.optimal_buffer_level = cpi->oxcf.target_bandwidth / 8; else cpi->oxcf.optimal_buffer_level = rescale(cpi->oxcf.optimal_buffer_level, cpi->oxcf.target_bandwidth, 1000); if (cpi->oxcf.maximum_buffer_size == 0) cpi->oxcf.maximum_buffer_size = cpi->oxcf.target_bandwidth / 8; else cpi->oxcf.maximum_buffer_size = rescale(cpi->oxcf.maximum_buffer_size, cpi->oxcf.target_bandwidth, 1000); // Set up frame rate and related parameters rate control values. vp9_new_framerate(cpi, cpi->oxcf.framerate); // Set absolute upper and lower quality limits cpi->worst_quality = cpi->oxcf.worst_allowed_q; cpi->best_quality = cpi->oxcf.best_allowed_q; // active values should only be modified if out of new range cpi->active_worst_quality = clamp(cpi->active_worst_quality, cpi->oxcf.best_allowed_q, cpi->oxcf.worst_allowed_q); cpi->active_best_quality = clamp(cpi->active_best_quality, cpi->oxcf.best_allowed_q, cpi->oxcf.worst_allowed_q); cpi->buffered_mode = cpi->oxcf.optimal_buffer_level > 0; cpi->cq_target_quality = cpi->oxcf.cq_level; cm->mcomp_filter_type = DEFAULT_INTERP_FILTER; cpi->target_bandwidth = cpi->oxcf.target_bandwidth; cm->display_width = cpi->oxcf.width; cm->display_height = cpi->oxcf.height; // VP8 sharpness level mapping 0-7 (vs 0-10 in general VPx dialogs) cpi->oxcf.Sharpness = MIN(7, cpi->oxcf.Sharpness); cpi->common.lf.sharpness_level = cpi->oxcf.Sharpness; if (cpi->initial_width) { // Increasing the size of the frame beyond the first seen frame, or some // otherwise signalled maximum size, is not supported. // TODO(jkoleszar): exit gracefully. assert(cm->width <= cpi->initial_width); assert(cm->height <= cpi->initial_height); } update_frame_size(cpi); if (cpi->oxcf.fixed_q >= 0) { cpi->last_q[0] = cpi->oxcf.fixed_q; cpi->last_q[1] = cpi->oxcf.fixed_q; cpi->last_boosted_qindex = cpi->oxcf.fixed_q; } cpi->speed = cpi->oxcf.cpu_used; if (cpi->oxcf.lag_in_frames == 0) { // force to allowlag to 0 if lag_in_frames is 0; cpi->oxcf.allow_lag = 0; } else if (cpi->oxcf.lag_in_frames > MAX_LAG_BUFFERS) { // Limit on lag buffers as these are not currently dynamically allocated cpi->oxcf.lag_in_frames = MAX_LAG_BUFFERS; } // YX Temp #if CONFIG_MULTIPLE_ARF vp9_zero(cpi->alt_ref_source); #else cpi->alt_ref_source = NULL; #endif cpi->is_src_frame_alt_ref = 0; #if 0 // Experimental RD Code cpi->frame_distortion = 0; cpi->last_frame_distortion = 0; #endif set_tile_limits(cpi); } #define M_LOG2_E 0.693147180559945309417 #define log2f(x) (log (x) / (float) M_LOG2_E) static void cal_nmvjointsadcost(int *mvjointsadcost) { mvjointsadcost[0] = 600; mvjointsadcost[1] = 300; mvjointsadcost[2] = 300; mvjointsadcost[0] = 300; } static void cal_nmvsadcosts(int *mvsadcost[2]) { int i = 1; mvsadcost[0][0] = 0; mvsadcost[1][0] = 0; do { double z = 256 * (2 * (log2f(8 * i) + .6)); mvsadcost[0][i] = (int)z; mvsadcost[1][i] = (int)z; mvsadcost[0][-i] = (int)z; mvsadcost[1][-i] = (int)z; } while (++i <= MV_MAX); } static void cal_nmvsadcosts_hp(int *mvsadcost[2]) { int i = 1; mvsadcost[0][0] = 0; mvsadcost[1][0] = 0; do { double z = 256 * (2 * (log2f(8 * i) + .6)); mvsadcost[0][i] = (int)z; mvsadcost[1][i] = (int)z; mvsadcost[0][-i] = (int)z; mvsadcost[1][-i] = (int)z; } while (++i <= MV_MAX); } VP9_PTR vp9_create_compressor(VP9_CONFIG *oxcf) { int i; volatile union { VP9_COMP *cpi; VP9_PTR ptr; } ctx; VP9_COMP *cpi; VP9_COMMON *cm; cpi = ctx.cpi = vpx_memalign(32, sizeof(VP9_COMP)); // Check that the CPI instance is valid if (!cpi) return 0; cm = &cpi->common; vp9_zero(*cpi); if (setjmp(cm->error.jmp)) { VP9_PTR ptr = ctx.ptr; ctx.cpi->common.error.setjmp = 0; vp9_remove_compressor(&ptr); return 0; } cm->error.setjmp = 1; CHECK_MEM_ERROR(cm, cpi->mb.ss, vpx_calloc(sizeof(search_site), (MAX_MVSEARCH_STEPS * 8) + 1)); vp9_create_common(cm); init_config((VP9_PTR)cpi, oxcf); cm->current_video_frame = 0; cpi->kf_overspend_bits = 0; cpi->kf_bitrate_adjustment = 0; cpi->frames_till_gf_update_due = 0; cpi->gf_overspend_bits = 0; cpi->non_gf_bitrate_adjustment = 0; // Set reference frame sign bias for ALTREF frame to 1 (for now) cm->ref_frame_sign_bias[ALTREF_FRAME] = 1; cpi->baseline_gf_interval = DEFAULT_GF_INTERVAL; cpi->gold_is_last = 0; cpi->alt_is_last = 0; cpi->gold_is_alt = 0; // Create the encoder segmentation map and set all entries to 0 CHECK_MEM_ERROR(cm, cpi->segmentation_map, vpx_calloc(cm->mi_rows * cm->mi_cols, 1)); // And a place holder structure is the coding context // for use if we want to save and restore it CHECK_MEM_ERROR(cm, cpi->coding_context.last_frame_seg_map_copy, vpx_calloc(cm->mi_rows * cm->mi_cols, 1)); CHECK_MEM_ERROR(cm, cpi->active_map, vpx_calloc(cm->MBs, 1)); vpx_memset(cpi->active_map, 1, cm->MBs); cpi->active_map_enabled = 0; for (i = 0; i < (sizeof(cpi->mbgraph_stats) / sizeof(cpi->mbgraph_stats[0])); i++) { CHECK_MEM_ERROR(cm, cpi->mbgraph_stats[i].mb_stats, vpx_calloc(cm->MBs * sizeof(*cpi->mbgraph_stats[i].mb_stats), 1)); } #ifdef ENTROPY_STATS if (cpi->pass != 1) init_context_counters(); #endif #ifdef MODE_STATS init_tx_count_stats(); init_switchable_interp_stats(); #endif /*Initialize the feed-forward activity masking.*/ cpi->activity_avg = 90 << 12; cpi->frames_since_key = 8; // Give a sensible default for the first frame. cpi->key_frame_frequency = cpi->oxcf.key_freq; cpi->this_key_frame_forced = 0; cpi->next_key_frame_forced = 0; cpi->source_alt_ref_pending = 0; cpi->source_alt_ref_active = 0; cpi->refresh_alt_ref_frame = 0; #if CONFIG_MULTIPLE_ARF // Turn multiple ARF usage on/off. This is a quick hack for the initial test // version. It should eventually be set via the codec API. cpi->multi_arf_enabled = 1; if (cpi->multi_arf_enabled) { cpi->sequence_number = 0; cpi->frame_coding_order_period = 0; vp9_zero(cpi->frame_coding_order); vp9_zero(cpi->arf_buffer_idx); } #endif cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS; #if CONFIG_INTERNAL_STATS cpi->b_calculate_ssimg = 0; cpi->count = 0; cpi->bytes = 0; if (cpi->b_calculate_psnr) { cpi->total_sq_error = 0.0; cpi->total_sq_error2 = 0.0; cpi->total_y = 0.0; cpi->total_u = 0.0; cpi->total_v = 0.0; cpi->total = 0.0; cpi->totalp_y = 0.0; cpi->totalp_u = 0.0; cpi->totalp_v = 0.0; cpi->totalp = 0.0; cpi->tot_recode_hits = 0; cpi->summed_quality = 0; cpi->summed_weights = 0; cpi->summedp_quality = 0; cpi->summedp_weights = 0; } if (cpi->b_calculate_ssimg) { cpi->total_ssimg_y = 0; cpi->total_ssimg_u = 0; cpi->total_ssimg_v = 0; cpi->total_ssimg_all = 0; } #endif cpi->first_time_stamp_ever = INT64_MAX; cpi->frames_till_gf_update_due = 0; cpi->key_frame_count = 1; cpi->ni_av_qi = cpi->oxcf.worst_allowed_q; cpi->ni_tot_qi = 0; cpi->ni_frames = 0; cpi->tot_q = 0.0; cpi->avg_q = vp9_convert_qindex_to_q(cpi->oxcf.worst_allowed_q); cpi->total_byte_count = 0; cpi->rate_correction_factor = 1.0; cpi->key_frame_rate_correction_factor = 1.0; cpi->gf_rate_correction_factor = 1.0; cpi->twopass.est_max_qcorrection_factor = 1.0; cal_nmvjointsadcost(cpi->mb.nmvjointsadcost); cpi->mb.nmvcost[0] = &cpi->mb.nmvcosts[0][MV_MAX]; cpi->mb.nmvcost[1] = &cpi->mb.nmvcosts[1][MV_MAX]; cpi->mb.nmvsadcost[0] = &cpi->mb.nmvsadcosts[0][MV_MAX]; cpi->mb.nmvsadcost[1] = &cpi->mb.nmvsadcosts[1][MV_MAX]; cal_nmvsadcosts(cpi->mb.nmvsadcost); cpi->mb.nmvcost_hp[0] = &cpi->mb.nmvcosts_hp[0][MV_MAX]; cpi->mb.nmvcost_hp[1] = &cpi->mb.nmvcosts_hp[1][MV_MAX]; cpi->mb.nmvsadcost_hp[0] = &cpi->mb.nmvsadcosts_hp[0][MV_MAX]; cpi->mb.nmvsadcost_hp[1] = &cpi->mb.nmvsadcosts_hp[1][MV_MAX]; cal_nmvsadcosts_hp(cpi->mb.nmvsadcost_hp); for (i = 0; i < KEY_FRAME_CONTEXT; i++) cpi->prior_key_frame_distance[i] = (int)cpi->output_framerate; #ifdef OUTPUT_YUV_SRC yuv_file = fopen("bd.yuv", "ab"); #endif #ifdef OUTPUT_YUV_REC yuv_rec_file = fopen("rec.yuv", "wb"); #endif #if 0 framepsnr = fopen("framepsnr.stt", "a"); kf_list = fopen("kf_list.stt", "w"); #endif cpi->output_pkt_list = oxcf->output_pkt_list; if (cpi->pass == 1) { vp9_init_first_pass(cpi); } else if (cpi->pass == 2) { size_t packet_sz = sizeof(FIRSTPASS_STATS); int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz); cpi->twopass.stats_in_start = oxcf->two_pass_stats_in.buf; cpi->twopass.stats_in = cpi->twopass.stats_in_start; cpi->twopass.stats_in_end = (void *)((char *)cpi->twopass.stats_in + (packets - 1) * packet_sz); vp9_init_second_pass(cpi); } vp9_set_speed_features(cpi); // Set starting values of RD threshold multipliers (128 = *1) for (i = 0; i < MAX_MODES; i++) cpi->rd_thresh_mult[i] = 128; #define BFP(BT, SDF, SDAF, VF, SVF, SVAF, SVFHH, SVFHV, SVFHHV, \ SDX3F, SDX8F, SDX4DF)\ cpi->fn_ptr[BT].sdf = SDF; \ cpi->fn_ptr[BT].sdaf = SDAF; \ cpi->fn_ptr[BT].vf = VF; \ cpi->fn_ptr[BT].svf = SVF; \ cpi->fn_ptr[BT].svaf = SVAF; \ cpi->fn_ptr[BT].svf_halfpix_h = SVFHH; \ cpi->fn_ptr[BT].svf_halfpix_v = SVFHV; \ cpi->fn_ptr[BT].svf_halfpix_hv = SVFHHV; \ cpi->fn_ptr[BT].sdx3f = SDX3F; \ cpi->fn_ptr[BT].sdx8f = SDX8F; \ cpi->fn_ptr[BT].sdx4df = SDX4DF; BFP(BLOCK_32X16, vp9_sad32x16, vp9_sad32x16_avg, vp9_variance32x16, vp9_sub_pixel_variance32x16, vp9_sub_pixel_avg_variance32x16, NULL, NULL, NULL, NULL, NULL, vp9_sad32x16x4d) BFP(BLOCK_16X32, vp9_sad16x32, vp9_sad16x32_avg, vp9_variance16x32, vp9_sub_pixel_variance16x32, vp9_sub_pixel_avg_variance16x32, NULL, NULL, NULL, NULL, NULL, vp9_sad16x32x4d) BFP(BLOCK_64X32, vp9_sad64x32, vp9_sad64x32_avg, vp9_variance64x32, vp9_sub_pixel_variance64x32, vp9_sub_pixel_avg_variance64x32, NULL, NULL, NULL, NULL, NULL, vp9_sad64x32x4d) BFP(BLOCK_32X64, vp9_sad32x64, vp9_sad32x64_avg, vp9_variance32x64, vp9_sub_pixel_variance32x64, vp9_sub_pixel_avg_variance32x64, NULL, NULL, NULL, NULL, NULL, vp9_sad32x64x4d) BFP(BLOCK_32X32, vp9_sad32x32, vp9_sad32x32_avg, vp9_variance32x32, vp9_sub_pixel_variance32x32, vp9_sub_pixel_avg_variance32x32, vp9_variance_halfpixvar32x32_h, vp9_variance_halfpixvar32x32_v, vp9_variance_halfpixvar32x32_hv, vp9_sad32x32x3, vp9_sad32x32x8, vp9_sad32x32x4d) BFP(BLOCK_64X64, vp9_sad64x64, vp9_sad64x64_avg, vp9_variance64x64, vp9_sub_pixel_variance64x64, vp9_sub_pixel_avg_variance64x64, vp9_variance_halfpixvar64x64_h, vp9_variance_halfpixvar64x64_v, vp9_variance_halfpixvar64x64_hv, vp9_sad64x64x3, vp9_sad64x64x8, vp9_sad64x64x4d) BFP(BLOCK_16X16, vp9_sad16x16, vp9_sad16x16_avg, vp9_variance16x16, vp9_sub_pixel_variance16x16, vp9_sub_pixel_avg_variance16x16, vp9_variance_halfpixvar16x16_h, vp9_variance_halfpixvar16x16_v, vp9_variance_halfpixvar16x16_hv, vp9_sad16x16x3, vp9_sad16x16x8, vp9_sad16x16x4d) BFP(BLOCK_16X8, vp9_sad16x8, vp9_sad16x8_avg, vp9_variance16x8, vp9_sub_pixel_variance16x8, vp9_sub_pixel_avg_variance16x8, NULL, NULL, NULL, vp9_sad16x8x3, vp9_sad16x8x8, vp9_sad16x8x4d) BFP(BLOCK_8X16, vp9_sad8x16, vp9_sad8x16_avg, vp9_variance8x16, vp9_sub_pixel_variance8x16, vp9_sub_pixel_avg_variance8x16, NULL, NULL, NULL, vp9_sad8x16x3, vp9_sad8x16x8, vp9_sad8x16x4d) BFP(BLOCK_8X8, vp9_sad8x8, vp9_sad8x8_avg, vp9_variance8x8, vp9_sub_pixel_variance8x8, vp9_sub_pixel_avg_variance8x8, NULL, NULL, NULL, vp9_sad8x8x3, vp9_sad8x8x8, vp9_sad8x8x4d) BFP(BLOCK_8X4, vp9_sad8x4, vp9_sad8x4_avg, vp9_variance8x4, vp9_sub_pixel_variance8x4, vp9_sub_pixel_avg_variance8x4, NULL, NULL, NULL, NULL, vp9_sad8x4x8, vp9_sad8x4x4d) BFP(BLOCK_4X8, vp9_sad4x8, vp9_sad4x8_avg, vp9_variance4x8, vp9_sub_pixel_variance4x8, vp9_sub_pixel_avg_variance4x8, NULL, NULL, NULL, NULL, vp9_sad4x8x8, vp9_sad4x8x4d) BFP(BLOCK_4X4, vp9_sad4x4, vp9_sad4x4_avg, vp9_variance4x4, vp9_sub_pixel_variance4x4, vp9_sub_pixel_avg_variance4x4, NULL, NULL, NULL, vp9_sad4x4x3, vp9_sad4x4x8, vp9_sad4x4x4d) cpi->full_search_sad = vp9_full_search_sad; cpi->diamond_search_sad = vp9_diamond_search_sad; cpi->refining_search_sad = vp9_refining_search_sad; // make sure frame 1 is okay cpi->error_bins[0] = cpi->common.MBs; /* vp9_init_quantizer() is first called here. Add check in * vp9_frame_init_quantizer() so that vp9_init_quantizer is only * called later when needed. This will avoid unnecessary calls of * vp9_init_quantizer() for every frame. */ vp9_init_quantizer(cpi); vp9_loop_filter_init(cm); cpi->common.error.setjmp = 0; vp9_zero(cpi->y_uv_mode_count) return (VP9_PTR) cpi; } void vp9_remove_compressor(VP9_PTR *ptr) { VP9_COMP *cpi = (VP9_COMP *)(*ptr); int i; if (!cpi) return; if (cpi && (cpi->common.current_video_frame > 0)) { if (cpi->pass == 2) { vp9_end_second_pass(cpi); } #ifdef ENTROPY_STATS if (cpi->pass != 1) { print_context_counters(); print_tree_update_probs(); print_mode_context(cpi); } #endif #ifdef MODE_STATS if (cpi->pass != 1) { write_tx_count_stats(); write_switchable_interp_stats(); } #endif #if CONFIG_INTERNAL_STATS vp9_clear_system_state(); // printf("\n8x8-4x4:%d-%d\n", cpi->t8x8_count, cpi->t4x4_count); if (cpi->pass != 1) { FILE *f = fopen("opsnr.stt", "a"); double time_encoded = (cpi->last_end_time_stamp_seen - cpi->first_time_stamp_ever) / 10000000.000; double total_encode_time = (cpi->time_receive_data + cpi->time_compress_data) / 1000.000; double dr = (double)cpi->bytes * (double) 8 / (double)1000 / time_encoded; if (cpi->b_calculate_psnr) { YV12_BUFFER_CONFIG *lst_yv12 = &cpi->common.yv12_fb[cpi->common.ref_frame_map[cpi->lst_fb_idx]]; double samples = 3.0 / 2 * cpi->count * lst_yv12->y_width * lst_yv12->y_height; double total_psnr = vp9_mse2psnr(samples, 255.0, cpi->total_sq_error); double total_psnr2 = vp9_mse2psnr(samples, 255.0, cpi->total_sq_error2); double total_ssim = 100 * pow(cpi->summed_quality / cpi->summed_weights, 8.0); double total_ssimp = 100 * pow(cpi->summedp_quality / cpi->summedp_weights, 8.0); fprintf(f, "Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\tGLPsnrP\t" "VPXSSIM\tVPSSIMP\t Time(ms)\n"); fprintf(f, "%7.2f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t%8.0f\n", dr, cpi->total / cpi->count, total_psnr, cpi->totalp / cpi->count, total_psnr2, total_ssim, total_ssimp, total_encode_time); // fprintf(f, "%7.3f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t%8.0f %10ld\n", // dr, cpi->total / cpi->count, total_psnr, // cpi->totalp / cpi->count, total_psnr2, total_ssim, // total_encode_time, cpi->tot_recode_hits); } if (cpi->b_calculate_ssimg) { fprintf(f, "BitRate\tSSIM_Y\tSSIM_U\tSSIM_V\tSSIM_A\t Time(ms)\n"); fprintf(f, "%7.2f\t%6.4f\t%6.4f\t%6.4f\t%6.4f\t%8.0f\n", dr, cpi->total_ssimg_y / cpi->count, cpi->total_ssimg_u / cpi->count, cpi->total_ssimg_v / cpi->count, cpi->total_ssimg_all / cpi->count, total_encode_time); // fprintf(f, "%7.3f\t%6.4f\t%6.4f\t%6.4f\t%6.4f\t%8.0f %10ld\n", dr, // cpi->total_ssimg_y / cpi->count, cpi->total_ssimg_u / cpi->count, // cpi->total_ssimg_v / cpi->count, cpi->total_ssimg_all / cpi->count, total_encode_time, cpi->tot_recode_hits); } fclose(f); } #endif #ifdef ENTROPY_STATS { int i, j, k; FILE *fmode = fopen("vp9_modecontext.c", "w"); fprintf(fmode, "\n#include \"vp9_entropymode.h\"\n\n"); fprintf(fmode, "const unsigned int vp9_kf_default_bmode_counts "); fprintf(fmode, "[VP9_INTRA_MODES][VP9_INTRA_MODES]" "[VP9_INTRA_MODES] =\n{\n"); for (i = 0; i < VP9_INTRA_MODES; i++) { fprintf(fmode, " { // Above Mode : %d\n", i); for (j = 0; j < VP9_INTRA_MODES; j++) { fprintf(fmode, " {"); for (k = 0; k < VP9_INTRA_MODES; k++) { if (!intra_mode_stats[i][j][k]) fprintf(fmode, " %5d, ", 1); else fprintf(fmode, " %5d, ", intra_mode_stats[i][j][k]); } fprintf(fmode, "}, // left_mode %d\n", j); } fprintf(fmode, " },\n"); } fprintf(fmode, "};\n"); fclose(fmode); } #endif #if defined(SECTIONBITS_OUTPUT) if (0) { int i; FILE *f = fopen("tokenbits.stt", "a"); for (i = 0; i < 28; i++) fprintf(f, "%8d", (int)(Sectionbits[i] / 256)); fprintf(f, "\n"); fclose(f); } #endif #if 0 { printf("\n_pick_loop_filter_level:%d\n", cpi->time_pick_lpf / 1000); printf("\n_frames recive_data encod_mb_row compress_frame Total\n"); printf("%6d %10ld %10ld %10ld %10ld\n", cpi->common.current_video_frame, cpi->time_receive_data / 1000, cpi->time_encode_sb_row / 1000, cpi->time_compress_data / 1000, (cpi->time_receive_data + cpi->time_compress_data) / 1000); } #endif } dealloc_compressor_data(cpi); vpx_free(cpi->mb.ss); vpx_free(cpi->tok); for (i = 0; i < sizeof(cpi->mbgraph_stats) / sizeof(cpi->mbgraph_stats[0]); i++) { vpx_free(cpi->mbgraph_stats[i].mb_stats); } vp9_remove_common(&cpi->common); vpx_free(cpi); *ptr = 0; #ifdef OUTPUT_YUV_SRC fclose(yuv_file); #endif #ifdef OUTPUT_YUV_REC fclose(yuv_rec_file); #endif #if 0 if (keyfile) fclose(keyfile); if (framepsnr) fclose(framepsnr); if (kf_list) fclose(kf_list); #endif } static uint64_t calc_plane_error(uint8_t *orig, int orig_stride, uint8_t *recon, int recon_stride, unsigned int cols, unsigned int rows) { unsigned int row, col; uint64_t total_sse = 0; int diff; for (row = 0; row + 16 <= rows; row += 16) { for (col = 0; col + 16 <= cols; col += 16) { unsigned int sse; vp9_mse16x16(orig + col, orig_stride, recon + col, recon_stride, &sse); total_sse += sse; } /* Handle odd-sized width */ if (col < cols) { unsigned int border_row, border_col; uint8_t *border_orig = orig; uint8_t *border_recon = recon; for (border_row = 0; border_row < 16; border_row++) { for (border_col = col; border_col < cols; border_col++) { diff = border_orig[border_col] - border_recon[border_col]; total_sse += diff * diff; } border_orig += orig_stride; border_recon += recon_stride; } } orig += orig_stride * 16; recon += recon_stride * 16; } /* Handle odd-sized height */ for (; row < rows; row++) { for (col = 0; col < cols; col++) { diff = orig[col] - recon[col]; total_sse += diff * diff; } orig += orig_stride; recon += recon_stride; } return total_sse; } static void generate_psnr_packet(VP9_COMP *cpi) { YV12_BUFFER_CONFIG *orig = cpi->Source; YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show; struct vpx_codec_cx_pkt pkt; uint64_t sse; int i; unsigned int width = orig->y_crop_width; unsigned int height = orig->y_crop_height; pkt.kind = VPX_CODEC_PSNR_PKT; sse = calc_plane_error(orig->y_buffer, orig->y_stride, recon->y_buffer, recon->y_stride, width, height); pkt.data.psnr.sse[0] = sse; pkt.data.psnr.sse[1] = sse; pkt.data.psnr.samples[0] = width * height; pkt.data.psnr.samples[1] = width * height; width = orig->uv_crop_width; height = orig->uv_crop_height; sse = calc_plane_error(orig->u_buffer, orig->uv_stride, recon->u_buffer, recon->uv_stride, width, height); pkt.data.psnr.sse[0] += sse; pkt.data.psnr.sse[2] = sse; pkt.data.psnr.samples[0] += width * height; pkt.data.psnr.samples[2] = width * height; sse = calc_plane_error(orig->v_buffer, orig->uv_stride, recon->v_buffer, recon->uv_stride, width, height); pkt.data.psnr.sse[0] += sse; pkt.data.psnr.sse[3] = sse; pkt.data.psnr.samples[0] += width * height; pkt.data.psnr.samples[3] = width * height; for (i = 0; i < 4; i++) pkt.data.psnr.psnr[i] = vp9_mse2psnr(pkt.data.psnr.samples[i], 255.0, (double)pkt.data.psnr.sse[i]); vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt); } int vp9_use_as_reference(VP9_PTR ptr, int ref_frame_flags) { VP9_COMP *cpi = (VP9_COMP *)(ptr); if (ref_frame_flags > 7) return -1; cpi->ref_frame_flags = ref_frame_flags; return 0; } int vp9_update_reference(VP9_PTR ptr, int ref_frame_flags) { VP9_COMP *cpi = (VP9_COMP *)(ptr); if (ref_frame_flags > 7) return -1; cpi->refresh_golden_frame = 0; cpi->refresh_alt_ref_frame = 0; cpi->refresh_last_frame = 0; if (ref_frame_flags & VP9_LAST_FLAG) cpi->refresh_last_frame = 1; if (ref_frame_flags & VP9_GOLD_FLAG) cpi->refresh_golden_frame = 1; if (ref_frame_flags & VP9_ALT_FLAG) cpi->refresh_alt_ref_frame = 1; return 0; } int vp9_copy_reference_enc(VP9_PTR ptr, VP9_REFFRAME ref_frame_flag, YV12_BUFFER_CONFIG *sd) { VP9_COMP *cpi = (VP9_COMP *)(ptr); VP9_COMMON *cm = &cpi->common; int ref_fb_idx; if (ref_frame_flag == VP9_LAST_FLAG) ref_fb_idx = cm->ref_frame_map[cpi->lst_fb_idx]; else if (ref_frame_flag == VP9_GOLD_FLAG) ref_fb_idx = cm->ref_frame_map[cpi->gld_fb_idx]; else if (ref_frame_flag == VP9_ALT_FLAG) ref_fb_idx = cm->ref_frame_map[cpi->alt_fb_idx]; else return -1; vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd); return 0; } int vp9_get_reference_enc(VP9_PTR ptr, int index, YV12_BUFFER_CONFIG **fb) { VP9_COMP *cpi = (VP9_COMP *)(ptr); VP9_COMMON *cm = &cpi->common; if (index < 0 || index >= NUM_REF_FRAMES) return -1; *fb = &cm->yv12_fb[cm->ref_frame_map[index]]; return 0; } int vp9_set_reference_enc(VP9_PTR ptr, VP9_REFFRAME ref_frame_flag, YV12_BUFFER_CONFIG *sd) { VP9_COMP *cpi = (VP9_COMP *)(ptr); VP9_COMMON *cm = &cpi->common; int ref_fb_idx; if (ref_frame_flag == VP9_LAST_FLAG) ref_fb_idx = cm->ref_frame_map[cpi->lst_fb_idx]; else if (ref_frame_flag == VP9_GOLD_FLAG) ref_fb_idx = cm->ref_frame_map[cpi->gld_fb_idx]; else if (ref_frame_flag == VP9_ALT_FLAG) ref_fb_idx = cm->ref_frame_map[cpi->alt_fb_idx]; else return -1; vp8_yv12_copy_frame(sd, &cm->yv12_fb[ref_fb_idx]); return 0; } int vp9_update_entropy(VP9_PTR comp, int update) { ((VP9_COMP *)comp)->common.refresh_frame_context = update; return 0; } #ifdef OUTPUT_YUV_SRC void vp9_write_yuv_frame(YV12_BUFFER_CONFIG *s) { uint8_t *src = s->y_buffer; int h = s->y_height; do { fwrite(src, s->y_width, 1, yuv_file); src += s->y_stride; } while (--h); src = s->u_buffer; h = s->uv_height; do { fwrite(src, s->uv_width, 1, yuv_file); src += s->uv_stride; } while (--h); src = s->v_buffer; h = s->uv_height; do { fwrite(src, s->uv_width, 1, yuv_file); src += s->uv_stride; } while (--h); } #endif #ifdef OUTPUT_YUV_REC void vp9_write_yuv_rec_frame(VP9_COMMON *cm) { YV12_BUFFER_CONFIG *s = cm->frame_to_show; uint8_t *src = s->y_buffer; int h = cm->height; do { fwrite(src, s->y_width, 1, yuv_rec_file); src += s->y_stride; } while (--h); src = s->u_buffer; h = s->uv_height; do { fwrite(src, s->uv_width, 1, yuv_rec_file); src += s->uv_stride; } while (--h); src = s->v_buffer; h = s->uv_height; do { fwrite(src, s->uv_width, 1, yuv_rec_file); src += s->uv_stride; } while (--h); #if CONFIG_ALPHA if (s->alpha_buffer) { src = s->alpha_buffer; h = s->alpha_height; do { fwrite(src, s->alpha_width, 1, yuv_rec_file); src += s->alpha_stride; } while (--h); } #endif fflush(yuv_rec_file); } #endif static void scale_and_extend_frame(YV12_BUFFER_CONFIG *src_fb, YV12_BUFFER_CONFIG *dst_fb) { const int in_w = src_fb->y_crop_width; const int in_h = src_fb->y_crop_height; const int out_w = dst_fb->y_crop_width; const int out_h = dst_fb->y_crop_height; int x, y, i; uint8_t *srcs[4] = {src_fb->y_buffer, src_fb->u_buffer, src_fb->v_buffer, src_fb->alpha_buffer}; int src_strides[4] = {src_fb->y_stride, src_fb->uv_stride, src_fb->uv_stride, src_fb->alpha_stride}; uint8_t *dsts[4] = {dst_fb->y_buffer, dst_fb->u_buffer, dst_fb->v_buffer, dst_fb->alpha_buffer}; int dst_strides[4] = {dst_fb->y_stride, dst_fb->uv_stride, dst_fb->uv_stride, dst_fb->alpha_stride}; for (y = 0; y < out_h; y += 16) { for (x = 0; x < out_w; x += 16) { for (i = 0; i < MAX_MB_PLANE; ++i) { const int factor = i == 0 ? 1 : 2; const int x_q4 = x * (16 / factor) * in_w / out_w; const int y_q4 = y * (16 / factor) * in_h / out_h; const int src_stride = src_strides[i]; const int dst_stride = dst_strides[i]; uint8_t *src = srcs[i] + y / factor * in_h / out_h * src_stride + x / factor * in_w / out_w; uint8_t *dst = dsts[i] + y / factor * dst_stride + x / factor; vp9_convolve8(src, src_stride, dst, dst_stride, vp9_sub_pel_filters_8[x_q4 & 0xf], 16 * in_w / out_w, vp9_sub_pel_filters_8[y_q4 & 0xf], 16 * in_h / out_h, 16 / factor, 16 / factor); } } } vp8_yv12_extend_frame_borders(dst_fb); } static void update_alt_ref_frame_stats(VP9_COMP *cpi) { // this frame refreshes means next frames don't unless specified by user cpi->frames_since_golden = 0; #if CONFIG_MULTIPLE_ARF if (!cpi->multi_arf_enabled) #endif // Clear the alternate reference update pending flag. cpi->source_alt_ref_pending = 0; // Set the alternate reference frame active flag cpi->source_alt_ref_active = 1; } static void update_golden_frame_stats(VP9_COMP *cpi) { // Update the Golden frame usage counts. if (cpi->refresh_golden_frame) { // this frame refreshes means next frames don't unless specified by user cpi->refresh_golden_frame = 0; cpi->frames_since_golden = 0; // ******** Fixed Q test code only ************ // If we are going to use the ALT reference for the next group of frames set a flag to say so. if (cpi->oxcf.fixed_q >= 0 && cpi->oxcf.play_alternate && !cpi->refresh_alt_ref_frame) { cpi->source_alt_ref_pending = 1; cpi->frames_till_gf_update_due = cpi->baseline_gf_interval; } if (!cpi->source_alt_ref_pending) cpi->source_alt_ref_active = 0; // Decrement count down till next gf if (cpi->frames_till_gf_update_due > 0) cpi->frames_till_gf_update_due--; } else if (!cpi->refresh_alt_ref_frame) { // Decrement count down till next gf if (cpi->frames_till_gf_update_due > 0) cpi->frames_till_gf_update_due--; if (cpi->frames_till_alt_ref_frame) cpi->frames_till_alt_ref_frame--; cpi->frames_since_golden++; } } static int find_fp_qindex() { int i; for (i = 0; i < QINDEX_RANGE; i++) { if (vp9_convert_qindex_to_q(i) >= 30.0) { break; } } if (i == QINDEX_RANGE) i--; return i; } static void Pass1Encode(VP9_COMP *cpi, unsigned long *size, unsigned char *dest, unsigned int *frame_flags) { (void) size; (void) dest; (void) frame_flags; vp9_set_quantizer(cpi, find_fp_qindex()); vp9_first_pass(cpi); } #define WRITE_RECON_BUFFER 0 #if WRITE_RECON_BUFFER void write_cx_frame_to_file(YV12_BUFFER_CONFIG *frame, int this_frame) { // write the frame FILE *yframe; int i; char filename[255]; sprintf(filename, "cx\\y%04d.raw", this_frame); yframe = fopen(filename, "wb"); for (i = 0; i < frame->y_height; i++) fwrite(frame->y_buffer + i * frame->y_stride, frame->y_width, 1, yframe); fclose(yframe); sprintf(filename, "cx\\u%04d.raw", this_frame); yframe = fopen(filename, "wb"); for (i = 0; i < frame->uv_height; i++) fwrite(frame->u_buffer + i * frame->uv_stride, frame->uv_width, 1, yframe); fclose(yframe); sprintf(filename, "cx\\v%04d.raw", this_frame); yframe = fopen(filename, "wb"); for (i = 0; i < frame->uv_height; i++) fwrite(frame->v_buffer + i * frame->uv_stride, frame->uv_width, 1, yframe); fclose(yframe); } #endif static double compute_edge_pixel_proportion(YV12_BUFFER_CONFIG *frame) { #define EDGE_THRESH 128 int i, j; int num_edge_pels = 0; int num_pels = (frame->y_height - 2) * (frame->y_width - 2); uint8_t *prev = frame->y_buffer + 1; uint8_t *curr = frame->y_buffer + 1 + frame->y_stride; uint8_t *next = frame->y_buffer + 1 + 2 * frame->y_stride; for (i = 1; i < frame->y_height - 1; i++) { for (j = 1; j < frame->y_width - 1; j++) { /* Sobel hor and ver gradients */ int v = 2 * (curr[1] - curr[-1]) + (prev[1] - prev[-1]) + (next[1] - next[-1]); int h = 2 * (prev[0] - next[0]) + (prev[1] - next[1]) + (prev[-1] - next[-1]); h = (h < 0 ? -h : h); v = (v < 0 ? -v : v); if (h > EDGE_THRESH || v > EDGE_THRESH) num_edge_pels++; curr++; prev++; next++; } curr += frame->y_stride - frame->y_width + 2; prev += frame->y_stride - frame->y_width + 2; next += frame->y_stride - frame->y_width + 2; } return (double)num_edge_pels / num_pels; } // Function to test for conditions that indicate we should loop // back and recode a frame. static int recode_loop_test(VP9_COMP *cpi, int high_limit, int low_limit, int q, int maxq, int minq) { int force_recode = 0; VP9_COMMON *cm = &cpi->common; // Is frame recode allowed at all // Yes if either recode mode 1 is selected or mode two is selected // and the frame is a key frame. golden frame or alt_ref_frame if ((cpi->sf.recode_loop == 1) || ((cpi->sf.recode_loop == 2) && ((cm->frame_type == KEY_FRAME) || cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame))) { // General over and under shoot tests if (((cpi->projected_frame_size > high_limit) && (q < maxq)) || ((cpi->projected_frame_size < low_limit) && (q > minq))) { force_recode = 1; } // Special Constrained quality tests else if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) { // Undershoot and below auto cq level if (q > cpi->cq_target_quality && cpi->projected_frame_size < ((cpi->this_frame_target * 7) >> 3)) { force_recode = 1; } else if (q > cpi->oxcf.cq_level && cpi->projected_frame_size < cpi->min_frame_bandwidth && cpi->active_best_quality > cpi->oxcf.cq_level) { // Severe undershoot and between auto and user cq level force_recode = 1; cpi->active_best_quality = cpi->oxcf.cq_level; } } } return force_recode; } static void update_reference_frames(VP9_COMP * const cpi) { VP9_COMMON * const cm = &cpi->common; // At this point the new frame has been encoded. // If any buffer copy / swapping is signaled it should be done here. if (cm->frame_type == KEY_FRAME) { ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx); ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx); } #if CONFIG_MULTIPLE_ARF else if (!cpi->multi_arf_enabled && cpi->refresh_golden_frame && !cpi->refresh_alt_ref_frame) { #else else if (cpi->refresh_golden_frame && !cpi->refresh_alt_ref_frame) { #endif /* Preserve the previously existing golden frame and update the frame in * the alt ref slot instead. This is highly specific to the current use of * alt-ref as a forward reference, and this needs to be generalized as * other uses are implemented (like RTC/temporal scaling) * * The update to the buffer in the alt ref slot was signaled in * vp9_pack_bitstream(), now swap the buffer pointers so that it's treated * as the golden frame next time. */ int tmp; ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx); tmp = cpi->alt_fb_idx; cpi->alt_fb_idx = cpi->gld_fb_idx; cpi->gld_fb_idx = tmp; } else { /* For non key/golden frames */ if (cpi->refresh_alt_ref_frame) { int arf_idx = cpi->alt_fb_idx; #if CONFIG_MULTIPLE_ARF if (cpi->multi_arf_enabled) { arf_idx = cpi->arf_buffer_idx[cpi->sequence_number + 1]; } #endif ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[arf_idx], cm->new_fb_idx); } if (cpi->refresh_golden_frame) { ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx); } } if (cpi->refresh_last_frame) { ref_cnt_fb(cm->fb_idx_ref_cnt, &cm->ref_frame_map[cpi->lst_fb_idx], cm->new_fb_idx); } } static void loopfilter_frame(VP9_COMP *cpi, VP9_COMMON *cm) { MACROBLOCKD *xd = &cpi->mb.e_mbd; struct loopfilter *lf = &cm->lf; if (xd->lossless) { lf->filter_level = 0; } else { struct vpx_usec_timer timer; vp9_clear_system_state(); vpx_usec_timer_start(&timer); vp9_pick_filter_level(cpi->Source, cpi, cpi->sf.use_fast_lpf_pick); vpx_usec_timer_mark(&timer); cpi->time_pick_lpf += vpx_usec_timer_elapsed(&timer); } if (lf->filter_level > 0) { vp9_set_alt_lf_level(cpi, lf->filter_level); vp9_loop_filter_frame(cm, xd, lf->filter_level, 0, 0); } vp9_extend_frame_inner_borders(cm->frame_to_show, cm->subsampling_x, cm->subsampling_y); } static void scale_references(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; int i; for (i = 0; i < 3; i++) { YV12_BUFFER_CONFIG *ref = &cm->yv12_fb[cm->ref_frame_map[i]]; if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height) { int new_fb = get_free_fb(cm); vp9_realloc_frame_buffer(&cm->yv12_fb[new_fb], cm->width, cm->height, cm->subsampling_x, cm->subsampling_y, VP9BORDERINPIXELS); scale_and_extend_frame(ref, &cm->yv12_fb[new_fb]); cpi->scaled_ref_idx[i] = new_fb; } else { cpi->scaled_ref_idx[i] = cm->ref_frame_map[i]; cm->fb_idx_ref_cnt[cm->ref_frame_map[i]]++; } } } static void release_scaled_references(VP9_COMP *cpi) { VP9_COMMON *cm = &cpi->common; int i; for (i = 0; i < 3; i++) cm->fb_idx_ref_cnt[cpi->scaled_ref_idx[i]]--; } static void full_to_model_count(unsigned int *model_count, unsigned int *full_count) { int n; model_count[ZERO_TOKEN] = full_count[ZERO_TOKEN]; model_count[ONE_TOKEN] = full_count[ONE_TOKEN]; model_count[TWO_TOKEN] = full_count[TWO_TOKEN]; for (n = THREE_TOKEN; n < DCT_EOB_TOKEN; ++n) model_count[TWO_TOKEN] += full_count[n]; model_count[DCT_EOB_MODEL_TOKEN] = full_count[DCT_EOB_TOKEN]; } static void full_to_model_counts( vp9_coeff_count_model *model_count, vp9_coeff_count *full_count) { int i, j, k, l; for (i = 0; i < BLOCK_TYPES; ++i) for (j = 0; j < REF_TYPES; ++j) for (k = 0; k < COEF_BANDS; ++k) for (l = 0; l < PREV_COEF_CONTEXTS; ++l) { if (l >= 3 && k == 0) continue; full_to_model_count(model_count[i][j][k][l], full_count[i][j][k][l]); } } static void encode_frame_to_data_rate(VP9_COMP *cpi, unsigned long *size, unsigned char *dest, unsigned int *frame_flags) { VP9_COMMON *cm = &cpi->common; MACROBLOCKD *xd = &cpi->mb.e_mbd; TX_SIZE t; int q; int frame_over_shoot_limit; int frame_under_shoot_limit; int loop = 0; int loop_count; int q_low; int q_high; int top_index; int bottom_index; int active_worst_qchanged = 0; int overshoot_seen = 0; int undershoot_seen = 0; SPEED_FEATURES *sf = &cpi->sf; unsigned int max_mv_def = MIN(cpi->common.width, cpi->common.height); struct segmentation *seg = &cm->seg; #if RESET_FOREACH_FILTER int q_low0; int q_high0; int Q0; int active_best_quality0; int active_worst_quality0; double rate_correction_factor0; double gf_rate_correction_factor0; #endif /* list of filters to search over */ int mcomp_filters_to_search[] = { EIGHTTAP, EIGHTTAP_SHARP, EIGHTTAP_SMOOTH, SWITCHABLE }; int mcomp_filters = sizeof(mcomp_filters_to_search) / sizeof(*mcomp_filters_to_search); int mcomp_filter_index = 0; int64_t mcomp_filter_cost[4]; /* Scale the source buffer, if required */ if (cm->mi_cols * 8 != cpi->un_scaled_source->y_width || cm->mi_rows * 8 != cpi->un_scaled_source->y_height) { scale_and_extend_frame(cpi->un_scaled_source, &cpi->scaled_source); cpi->Source = &cpi->scaled_source; } else { cpi->Source = cpi->un_scaled_source; } scale_references(cpi); // Clear down mmx registers to allow floating point in what follows vp9_clear_system_state(); // For an alt ref frame in 2 pass we skip the call to the second // pass function that sets the target bandwidth so must set it here if (cpi->refresh_alt_ref_frame) { // Per frame bit target for the alt ref frame cpi->per_frame_bandwidth = cpi->twopass.gf_bits; // per second target bitrate cpi->target_bandwidth = (int)(cpi->twopass.gf_bits * cpi->output_framerate); } // Clear zbin over-quant value and mode boost values. cpi->zbin_mode_boost = 0; // Enable or disable mode based tweaking of the zbin // For 2 Pass Only used where GF/ARF prediction quality // is above a threshold cpi->zbin_mode_boost = 0; // if (cpi->oxcf.lossless) cpi->zbin_mode_boost_enabled = 0; // else // cpi->zbin_mode_boost_enabled = 1; // Current default encoder behaviour for the altref sign bias cpi->common.ref_frame_sign_bias[ALTREF_FRAME] = cpi->source_alt_ref_active; // Check to see if a key frame is signaled // For two pass with auto key frame enabled cm->frame_type may already be set, but not for one pass. if ((cm->current_video_frame == 0) || (cm->frame_flags & FRAMEFLAGS_KEY) || (cpi->oxcf.auto_key && (cpi->frames_since_key % cpi->key_frame_frequency == 0))) { // Key frame from VFW/auto-keyframe/first frame cm->frame_type = KEY_FRAME; } // Set default state for segment based loop filter update flags cm->lf.mode_ref_delta_update = 0; // Initialize cpi->mv_step_param to default based on max resolution cpi->mv_step_param = vp9_init_search_range(cpi, max_mv_def); // Initialize cpi->max_mv_magnitude and cpi->mv_step_param if appropriate. if (sf->auto_mv_step_size) { if ((cpi->common.frame_type == KEY_FRAME) || cpi->common.intra_only) { // initialize max_mv_magnitude for use in the first INTER frame // after a key/intra-only frame cpi->max_mv_magnitude = max_mv_def; } else { if (cm->show_frame) // allow mv_steps to correspond to twice the max mv magnitude found // in the previous frame, capped by the default max_mv_magnitude based // on resolution cpi->mv_step_param = vp9_init_search_range( cpi, MIN(max_mv_def, 2 * cpi->max_mv_magnitude)); cpi->max_mv_magnitude = 0; } } // Set various flags etc to special state if it is a key frame if (cm->frame_type == KEY_FRAME) { int i; // Reset the loop filter deltas and segmentation map setup_features(cm); // If segmentation is enabled force a map update for key frames if (seg->enabled) { seg->update_map = 1; seg->update_data = 1; } // The alternate reference frame cannot be active for a key frame cpi->source_alt_ref_active = 0; // Reset the RD threshold multipliers to default of * 1 (128) for (i = 0; i < MAX_MODES; i++) cpi->rd_thresh_mult[i] = 128; cm->error_resilient_mode = (cpi->oxcf.error_resilient_mode != 0); cm->frame_parallel_decoding_mode = (cpi->oxcf.frame_parallel_decoding_mode != 0); if (cm->error_resilient_mode) { cm->frame_parallel_decoding_mode = 1; cm->reset_frame_context = 0; cm->refresh_frame_context = 0; } } // Configure experimental use of segmentation for enhanced coding of // static regions if indicated. // Only allowed for now in second pass of two pass (as requires lagged coding) // and if the relevant speed feature flag is set. if ((cpi->pass == 2) && (cpi->sf.static_segmentation)) { configure_static_seg_features(cpi); } // Decide how big to make the frame vp9_pick_frame_size(cpi); vp9_clear_system_state(); // Set an active best quality and if necessary active worst quality q = cpi->active_worst_quality; if (cm->frame_type == KEY_FRAME) { #if !CONFIG_MULTIPLE_ARF // Special case for key frames forced because we have reached // the maximum key frame interval. Here force the Q to a range // based on the ambient Q to reduce the risk of popping if (cpi->this_key_frame_forced) { int delta_qindex; int qindex = cpi->last_boosted_qindex; double last_boosted_q = vp9_convert_qindex_to_q(qindex); delta_qindex = compute_qdelta(cpi, last_boosted_q, (last_boosted_q * 0.75)); cpi->active_best_quality = MAX(qindex + delta_qindex, cpi->best_quality); } else { int high = 5000; int low = 400; double q_adj_factor = 1.0; double q_val; // Baseline value derived from cpi->active_worst_quality and kf boost if (cpi->kf_boost > high) { cpi->active_best_quality = kf_low_motion_minq[q]; } else if (cpi->kf_boost < low) { cpi->active_best_quality = kf_high_motion_minq[q]; } else { const int gap = high - low; const int offset = high - cpi->kf_boost; const int qdiff = kf_high_motion_minq[q] - kf_low_motion_minq[q]; const int adjustment = ((offset * qdiff) + (gap >> 1)) / gap; cpi->active_best_quality = kf_low_motion_minq[q] + adjustment; } // Allow somewhat lower kf minq with small image formats. if ((cm->width * cm->height) <= (352 * 288)) { q_adj_factor -= 0.25; } // Make a further adjustment based on the kf zero motion measure. q_adj_factor += 0.05 - (0.001 * (double)cpi->kf_zeromotion_pct); // Convert the adjustment factor to a qindex delta on active_best_quality. q_val = vp9_convert_qindex_to_q(cpi->active_best_quality); cpi->active_best_quality += compute_qdelta(cpi, q_val, (q_val * q_adj_factor)); } #else double current_q; // Force the KF quantizer to be 30% of the active_worst_quality. current_q = vp9_convert_qindex_to_q(cpi->active_worst_quality); cpi->active_best_quality = cpi->active_worst_quality + compute_qdelta(cpi, current_q, current_q * 0.3); #endif } else if (cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame) { int high = 2000; int low = 400; // Use the lower of cpi->active_worst_quality and recent // average Q as basis for GF/ARF Q limit unless last frame was // a key frame. if (cpi->frames_since_key > 1 && cpi->avg_frame_qindex < cpi->active_worst_quality) { q = cpi->avg_frame_qindex; } // For constrained quality dont allow Q less than the cq level if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY && q < cpi->cq_target_quality) { q = cpi->cq_target_quality; } if (cpi->gfu_boost > high) { cpi->active_best_quality = gf_low_motion_minq[q]; } else if (cpi->gfu_boost < low) { cpi->active_best_quality = gf_high_motion_minq[q]; } else { const int gap = high - low; const int offset = high - cpi->gfu_boost; const int qdiff = gf_high_motion_minq[q] - gf_low_motion_minq[q]; const int adjustment = ((offset * qdiff) + (gap >> 1)) / gap; cpi->active_best_quality = gf_low_motion_minq[q] + adjustment; } // Constrained quality use slightly lower active best. if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) cpi->active_best_quality = cpi->active_best_quality * 15 / 16; } else { #ifdef ONE_SHOT_Q_ESTIMATE #ifdef STRICT_ONE_SHOT_Q cpi->active_best_quality = q; #else cpi->active_best_quality = inter_minq[q]; #endif #else cpi->active_best_quality = inter_minq[q]; #endif // For the constant/constrained quality mode we don't want // q to fall below the cq level. if ((cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) && (cpi->active_best_quality < cpi->cq_target_quality)) { // If we are strongly undershooting the target rate in the last // frames then use the user passed in cq value not the auto // cq value. if (cpi->rolling_actual_bits < cpi->min_frame_bandwidth) cpi->active_best_quality = cpi->oxcf.cq_level; else cpi->active_best_quality = cpi->cq_target_quality; } } // Clip the active best and worst quality values to limits if (cpi->active_worst_quality > cpi->worst_quality) cpi->active_worst_quality = cpi->worst_quality; if (cpi->active_best_quality < cpi->best_quality) cpi->active_best_quality = cpi->best_quality; if (cpi->active_best_quality > cpi->worst_quality) cpi->active_best_quality = cpi->worst_quality; if (cpi->active_worst_quality < cpi->active_best_quality) cpi->active_worst_quality = cpi->active_best_quality; // Special case code to try and match quality with forced key frames if ((cm->frame_type == KEY_FRAME) && cpi->this_key_frame_forced) { q = cpi->last_boosted_qindex; } else { // Determine initial Q to try q = vp9_regulate_q(cpi, cpi->this_frame_target); } vp9_compute_frame_size_bounds(cpi, &frame_under_shoot_limit, &frame_over_shoot_limit); #if CONFIG_MULTIPLE_ARF // Force the quantizer determined by the coding order pattern. if (cpi->multi_arf_enabled && (cm->frame_type != KEY_FRAME)) { double new_q; double current_q = vp9_convert_qindex_to_q(cpi->active_worst_quality); int level = cpi->this_frame_weight; assert(level >= 0); // Set quantizer steps at 10% increments. new_q = current_q * (1.0 - (0.2 * (cpi->max_arf_level - level))); q = cpi->active_worst_quality + compute_qdelta(cpi, current_q, new_q); bottom_index = q; top_index = q; q_low = q; q_high = q; printf("frame:%d q:%d\n", cm->current_video_frame, q); } else { #endif // Limit Q range for the adaptive loop. bottom_index = cpi->active_best_quality; top_index = cpi->active_worst_quality; q_low = cpi->active_best_quality; q_high = cpi->active_worst_quality; #if CONFIG_MULTIPLE_ARF } #endif loop_count = 0; vp9_zero(cpi->rd_tx_select_threshes); if (cm->frame_type != KEY_FRAME) { /* TODO: Decide this more intelligently */ if (sf->search_best_filter) { cm->mcomp_filter_type = mcomp_filters_to_search[0]; mcomp_filter_index = 0; } else { cm->mcomp_filter_type = DEFAULT_INTERP_FILTER; } /* TODO: Decide this more intelligently */ xd->allow_high_precision_mv = q < HIGH_PRECISION_MV_QTHRESH; set_mvcost(&cpi->mb); } #if CONFIG_POSTPROC if (cpi->oxcf.noise_sensitivity > 0) { int l = 0; switch (cpi->oxcf.noise_sensitivity) { case 1: l = 20; break; case 2: l = 40; break; case 3: l = 60; break; case 4: case 5: l = 100; break; case 6: l = 150; break; } vp9_denoise(cpi->Source, cpi->Source, l); } #endif #ifdef OUTPUT_YUV_SRC vp9_write_yuv_frame(cpi->Source); #endif #if RESET_FOREACH_FILTER if (sf->search_best_filter) { q_low0 = q_low; q_high0 = q_high; Q0 = Q; rate_correction_factor0 = cpi->rate_correction_factor; gf_rate_correction_factor0 = cpi->gf_rate_correction_factor; active_best_quality0 = cpi->active_best_quality; active_worst_quality0 = cpi->active_worst_quality; } #endif do { vp9_clear_system_state(); // __asm emms; vp9_set_quantizer(cpi, q); if (loop_count == 0) { // Set up entropy depending on frame type. if (cm->frame_type == KEY_FRAME) { /* Choose which entropy context to use. When using a forward reference * frame, it immediately follows the keyframe, and thus benefits from * using the same entropy context established by the keyframe. * Otherwise, use the default context 0. */ cm->frame_context_idx = cpi->oxcf.play_alternate; vp9_setup_key_frame(cpi); } else { /* Choose which entropy context to use. Currently there are only two * contexts used, one for normal frames and one for alt ref frames. */ cpi->common.frame_context_idx = cpi->refresh_alt_ref_frame; vp9_setup_inter_frame(cpi); } } // transform / motion compensation build reconstruction frame vp9_encode_frame(cpi); // Update the skip mb flag probabilities based on the distribution // seen in the last encoder iteration. // update_base_skip_probs(cpi); vp9_clear_system_state(); // __asm emms; // Dummy pack of the bitstream using up to date stats to get an // accurate estimate of output frame size to determine if we need // to recode. vp9_save_coding_context(cpi); cpi->dummy_packing = 1; vp9_pack_bitstream(cpi, dest, size); cpi->projected_frame_size = (*size) << 3; vp9_restore_coding_context(cpi); if (frame_over_shoot_limit == 0) frame_over_shoot_limit = 1; active_worst_qchanged = 0; // Special case handling for forced key frames if ((cm->frame_type == KEY_FRAME) && cpi->this_key_frame_forced) { int last_q = q; int kf_err = vp9_calc_ss_err(cpi->Source, &cm->yv12_fb[cm->new_fb_idx]); int high_err_target = cpi->ambient_err; int low_err_target = cpi->ambient_err >> 1; // Prevent possible divide by zero error below for perfect KF kf_err += !kf_err; // The key frame is not good enough or we can afford // to make it better without undue risk of popping. if ((kf_err > high_err_target && cpi->projected_frame_size <= frame_over_shoot_limit) || (kf_err > low_err_target && cpi->projected_frame_size <= frame_under_shoot_limit)) { // Lower q_high q_high = q > q_low ? q - 1 : q_low; // Adjust Q q = (q * high_err_target) / kf_err; q = MIN(q, (q_high + q_low) >> 1); } else if (kf_err < low_err_target && cpi->projected_frame_size >= frame_under_shoot_limit) { // The key frame is much better than the previous frame // Raise q_low q_low = q < q_high ? q + 1 : q_high; // Adjust Q q = (q * low_err_target) / kf_err; q = MIN(q, (q_high + q_low + 1) >> 1); } // Clamp Q to upper and lower limits: q = clamp(q, q_low, q_high); loop = q != last_q; } // Is the projected frame size out of range and are we allowed to attempt to recode. else if (recode_loop_test(cpi, frame_over_shoot_limit, frame_under_shoot_limit, q, top_index, bottom_index)) { int last_q = q; int retries = 0; // Frame size out of permitted range: // Update correction factor & compute new Q to try... // Frame is too large if (cpi->projected_frame_size > cpi->this_frame_target) { // Raise Qlow as to at least the current value q_low = q < q_high ? q + 1 : q_high; if (undershoot_seen || loop_count > 1) { // Update rate_correction_factor unless cpi->active_worst_quality // has changed. if (!active_worst_qchanged) vp9_update_rate_correction_factors(cpi, 1); q = (q_high + q_low + 1) / 2; } else { // Update rate_correction_factor unless cpi->active_worst_quality has changed. if (!active_worst_qchanged) vp9_update_rate_correction_factors(cpi, 0); q = vp9_regulate_q(cpi, cpi->this_frame_target); while (q < q_low && retries < 10) { vp9_update_rate_correction_factors(cpi, 0); q = vp9_regulate_q(cpi, cpi->this_frame_target); retries++; } } overshoot_seen = 1; } else { // Frame is too small q_high = q > q_low ? q - 1 : q_low; if (overshoot_seen || loop_count > 1) { // Update rate_correction_factor unless cpi->active_worst_quality has changed. if (!active_worst_qchanged) vp9_update_rate_correction_factors(cpi, 1); q = (q_high + q_low) / 2; } else { // Update rate_correction_factor unless cpi->active_worst_quality has changed. if (!active_worst_qchanged) vp9_update_rate_correction_factors(cpi, 0); q = vp9_regulate_q(cpi, cpi->this_frame_target); // Special case reset for qlow for constrained quality. // This should only trigger where there is very substantial // undershoot on a frame and the auto cq level is above // the user passsed in value. if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY && q < q_low) { q_low = q; } while (q > q_high && retries < 10) { vp9_update_rate_correction_factors(cpi, 0); q = vp9_regulate_q(cpi, cpi->this_frame_target); retries++; } } undershoot_seen = 1; } // Clamp Q to upper and lower limits: q = clamp(q, q_low, q_high); loop = q != last_q; } else { loop = 0; } if (cpi->is_src_frame_alt_ref) loop = 0; if (!loop && cm->frame_type != KEY_FRAME && sf->search_best_filter) { if (mcomp_filter_index < mcomp_filters) { int64_t err = vp9_calc_ss_err(cpi->Source, &cm->yv12_fb[cm->new_fb_idx]); int64_t rate = cpi->projected_frame_size << 8; mcomp_filter_cost[mcomp_filter_index] = (RDCOST(cpi->RDMULT, cpi->RDDIV, rate, err)); mcomp_filter_index++; if (mcomp_filter_index < mcomp_filters) { cm->mcomp_filter_type = mcomp_filters_to_search[mcomp_filter_index]; loop_count = -1; loop = 1; } else { int f; int64_t best_cost = mcomp_filter_cost[0]; int mcomp_best_filter = mcomp_filters_to_search[0]; for (f = 1; f < mcomp_filters; f++) { if (mcomp_filter_cost[f] < best_cost) { mcomp_best_filter = mcomp_filters_to_search[f]; best_cost = mcomp_filter_cost[f]; } } if (mcomp_best_filter != mcomp_filters_to_search[mcomp_filters - 1]) { loop_count = -1; loop = 1; cm->mcomp_filter_type = mcomp_best_filter; } /* printf(" best filter = %d, ( ", mcomp_best_filter); for (f=0;frate_correction_factor = rate_correction_factor0; cpi->gf_rate_correction_factor = gf_rate_correction_factor0; cpi->active_best_quality = active_best_quality0; cpi->active_worst_quality = active_worst_quality0; } #endif } } if (loop) { loop_count++; #if CONFIG_INTERNAL_STATS cpi->tot_recode_hits++; #endif } } while (loop); // Special case code to reduce pulsing when key frames are forced at a // fixed interval. Note the reconstruction error if it is the frame before // the force key frame if (cpi->next_key_frame_forced && (cpi->twopass.frames_to_key == 0)) { cpi->ambient_err = vp9_calc_ss_err(cpi->Source, &cm->yv12_fb[cm->new_fb_idx]); } if (cm->frame_type == KEY_FRAME) cpi->refresh_last_frame = 1; cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx]; #if WRITE_RECON_BUFFER if (cm->show_frame) write_cx_frame_to_file(cm->frame_to_show, cm->current_video_frame); else write_cx_frame_to_file(cm->frame_to_show, cm->current_video_frame + 1000); #endif // Pick the loop filter level for the frame. loopfilter_frame(cpi, cm); #if WRITE_RECON_BUFFER if (cm->show_frame) write_cx_frame_to_file(cm->frame_to_show, cm->current_video_frame + 2000); else write_cx_frame_to_file(cm->frame_to_show, cm->current_video_frame + 3000); #endif // build the bitstream cpi->dummy_packing = 0; vp9_pack_bitstream(cpi, dest, size); if (cm->seg.update_map) update_reference_segmentation_map(cpi); release_scaled_references(cpi); update_reference_frames(cpi); for (t = TX_4X4; t <= TX_32X32; t++) full_to_model_counts(cpi->common.counts.coef[t], cpi->coef_counts[t]); if (!cpi->common.error_resilient_mode && !cpi->common.frame_parallel_decoding_mode) { vp9_adapt_coef_probs(&cpi->common); } if (cpi->common.frame_type != KEY_FRAME) { FRAME_COUNTS *counts = &cpi->common.counts; vp9_copy(counts->y_mode, cpi->y_mode_count); vp9_copy(counts->uv_mode, cpi->y_uv_mode_count); vp9_copy(counts->partition, cpi->partition_count); vp9_copy(counts->intra_inter, cpi->intra_inter_count); vp9_copy(counts->comp_inter, cpi->comp_inter_count); vp9_copy(counts->single_ref, cpi->single_ref_count); vp9_copy(counts->comp_ref, cpi->comp_ref_count); counts->mv = cpi->NMVcount; if (!cpi->common.error_resilient_mode && !cpi->common.frame_parallel_decoding_mode) { vp9_adapt_mode_probs(&cpi->common); vp9_adapt_mv_probs(&cpi->common, cpi->mb.e_mbd.allow_high_precision_mv); } } #ifdef ENTROPY_STATS vp9_update_mode_context_stats(cpi); #endif /* Move storing frame_type out of the above loop since it is also * needed in motion search besides loopfilter */ cm->last_frame_type = cm->frame_type; // Update rate control heuristics cpi->total_byte_count += (*size); cpi->projected_frame_size = (*size) << 3; if (!active_worst_qchanged) vp9_update_rate_correction_factors(cpi, 2); cpi->last_q[cm->frame_type] = cm->base_qindex; // Keep record of last boosted (KF/KF/ARF) Q value. // If the current frame is coded at a lower Q then we also update it. // If all mbs in this group are skipped only update if the Q value is // better than that already stored. // This is used to help set quality in forced key frames to reduce popping if ((cm->base_qindex < cpi->last_boosted_qindex) || ((cpi->static_mb_pct < 100) && ((cm->frame_type == KEY_FRAME) || cpi->refresh_alt_ref_frame || (cpi->refresh_golden_frame && !cpi->is_src_frame_alt_ref)))) { cpi->last_boosted_qindex = cm->base_qindex; } if (cm->frame_type == KEY_FRAME) { vp9_adjust_key_frame_context(cpi); } // Keep a record of ambient average Q. if (cm->frame_type != KEY_FRAME) cpi->avg_frame_qindex = (2 + 3 * cpi->avg_frame_qindex + cm->base_qindex) >> 2; // Keep a record from which we can calculate the average Q excluding GF updates and key frames if (cm->frame_type != KEY_FRAME && !cpi->refresh_golden_frame && !cpi->refresh_alt_ref_frame) { cpi->ni_frames++; cpi->tot_q += vp9_convert_qindex_to_q(q); cpi->avg_q = cpi->tot_q / (double)cpi->ni_frames; // Calculate the average Q for normal inter frames (not key or GFU frames). cpi->ni_tot_qi += q; cpi->ni_av_qi = cpi->ni_tot_qi / cpi->ni_frames; } // Update the buffer level variable. // Non-viewable frames are a special case and are treated as pure overhead. if (!cm->show_frame) cpi->bits_off_target -= cpi->projected_frame_size; else cpi->bits_off_target += cpi->av_per_frame_bandwidth - cpi->projected_frame_size; // Clip the buffer level at the maximum buffer size if (cpi->bits_off_target > cpi->oxcf.maximum_buffer_size) cpi->bits_off_target = cpi->oxcf.maximum_buffer_size; // Rolling monitors of whether we are over or underspending used to help // regulate min and Max Q in two pass. if (cm->frame_type != KEY_FRAME) { cpi->rolling_target_bits = ((cpi->rolling_target_bits * 3) + cpi->this_frame_target + 2) / 4; cpi->rolling_actual_bits = ((cpi->rolling_actual_bits * 3) + cpi->projected_frame_size + 2) / 4; cpi->long_rolling_target_bits = ((cpi->long_rolling_target_bits * 31) + cpi->this_frame_target + 16) / 32; cpi->long_rolling_actual_bits = ((cpi->long_rolling_actual_bits * 31) + cpi->projected_frame_size + 16) / 32; } // Actual bits spent cpi->total_actual_bits += cpi->projected_frame_size; // Debug stats cpi->total_target_vs_actual += (cpi->this_frame_target - cpi->projected_frame_size); cpi->buffer_level = cpi->bits_off_target; // Update bits left to the kf and gf groups to account for overshoot or undershoot on these frames if (cm->frame_type == KEY_FRAME) { cpi->twopass.kf_group_bits += cpi->this_frame_target - cpi->projected_frame_size; cpi->twopass.kf_group_bits = MAX(cpi->twopass.kf_group_bits, 0); } else if (cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame) { cpi->twopass.gf_group_bits += cpi->this_frame_target - cpi->projected_frame_size; cpi->twopass.gf_group_bits = MAX(cpi->twopass.gf_group_bits, 0); } // Update the skip mb flag probabilities based on the distribution seen // in this frame. // update_base_skip_probs(cpi); #if 0 && CONFIG_INTERNAL_STATS { FILE *f = fopen("tmp.stt", "a"); int recon_err; vp9_clear_system_state(); // __asm emms; recon_err = vp9_calc_ss_err(cpi->Source, &cm->yv12_fb[cm->new_fb_idx]); if (cpi->twopass.total_left_stats.coded_error != 0.0) fprintf(f, "%10d %10d %10d %10d %10d %10d %10d %10d" "%7.2f %7.2f %7.2f %7.2f %7.2f %7.2f %7.2f" "%6d %6d %5d %5d %5d %8.2f %10d %10.3f" "%10.3f %8d %10d %10d %10d\n", cpi->common.current_video_frame, cpi->this_frame_target, cpi->projected_frame_size, 0, //loop_size_estimate, (cpi->projected_frame_size - cpi->this_frame_target), (int)cpi->total_target_vs_actual, (int)(cpi->oxcf.starting_buffer_level - cpi->bits_off_target), (int)cpi->total_actual_bits, vp9_convert_qindex_to_q(cm->base_qindex), (double)vp9_dc_quant(cm->base_qindex, 0) / 4.0, vp9_convert_qindex_to_q(cpi->active_best_quality), vp9_convert_qindex_to_q(cpi->active_worst_quality), cpi->avg_q, vp9_convert_qindex_to_q(cpi->ni_av_qi), vp9_convert_qindex_to_q(cpi->cq_target_quality), cpi->refresh_last_frame, cpi->refresh_golden_frame, cpi->refresh_alt_ref_frame, cm->frame_type, cpi->gfu_boost, cpi->twopass.est_max_qcorrection_factor, (int)cpi->twopass.bits_left, cpi->twopass.total_left_stats.coded_error, (double)cpi->twopass.bits_left / cpi->twopass.total_left_stats.coded_error, cpi->tot_recode_hits, recon_err, cpi->kf_boost, cpi->kf_zeromotion_pct); else fprintf(f, "%10d %10d %10d %10d %10d %10d %10d %10d" "%7.2f %7.2f %7.2f %7.2f %7.2f %7.2f %7.2f" "%5d %5d %5d %8d %8d %8.2f %10d %10.3f" "%8d %10d %10d %10d\n", cpi->common.current_video_frame, cpi->this_frame_target, cpi->projected_frame_size, 0, //loop_size_estimate, (cpi->projected_frame_size - cpi->this_frame_target), (int)cpi->total_target_vs_actual, (int)(cpi->oxcf.starting_buffer_level - cpi->bits_off_target), (int)cpi->total_actual_bits, vp9_convert_qindex_to_q(cm->base_qindex), (double)vp9_dc_quant(cm->base_qindex, 0) / 4.0, vp9_convert_qindex_to_q(cpi->active_best_quality), vp9_convert_qindex_to_q(cpi->active_worst_quality), cpi->avg_q, vp9_convert_qindex_to_q(cpi->ni_av_qi), vp9_convert_qindex_to_q(cpi->cq_target_quality), cpi->refresh_last_frame, cpi->refresh_golden_frame, cpi->refresh_alt_ref_frame, cm->frame_type, cpi->gfu_boost, cpi->twopass.est_max_qcorrection_factor, (int)cpi->twopass.bits_left, cpi->twopass.total_left_stats.coded_error, cpi->tot_recode_hits, recon_err, cpi->kf_boost, cpi->kf_zeromotion_pct); fclose(f); if (0) { FILE *fmodes = fopen("Modes.stt", "a"); int i; fprintf(fmodes, "%6d:%1d:%1d:%1d ", cpi->common.current_video_frame, cm->frame_type, cpi->refresh_golden_frame, cpi->refresh_alt_ref_frame); for (i = 0; i < MAX_MODES; i++) fprintf(fmodes, "%5d ", cpi->mode_chosen_counts[i]); fprintf(fmodes, "\n"); fclose(fmodes); } } #endif #if 0 // Debug stats for segment feature experiments. print_seg_map(cpi); #endif // If this was a kf or Gf note the Q if ((cm->frame_type == KEY_FRAME) || cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame) cm->last_kf_gf_q = cm->base_qindex; if (cpi->refresh_golden_frame == 1) cm->frame_flags = cm->frame_flags | FRAMEFLAGS_GOLDEN; else cm->frame_flags = cm->frame_flags&~FRAMEFLAGS_GOLDEN; if (cpi->refresh_alt_ref_frame == 1) cm->frame_flags = cm->frame_flags | FRAMEFLAGS_ALTREF; else cm->frame_flags = cm->frame_flags&~FRAMEFLAGS_ALTREF; if (cpi->refresh_last_frame & cpi->refresh_golden_frame) cpi->gold_is_last = 1; else if (cpi->refresh_last_frame ^ cpi->refresh_golden_frame) cpi->gold_is_last = 0; if (cpi->refresh_last_frame & cpi->refresh_alt_ref_frame) cpi->alt_is_last = 1; else if (cpi->refresh_last_frame ^ cpi->refresh_alt_ref_frame) cpi->alt_is_last = 0; if (cpi->refresh_alt_ref_frame & cpi->refresh_golden_frame) cpi->gold_is_alt = 1; else if (cpi->refresh_alt_ref_frame ^ cpi->refresh_golden_frame) cpi->gold_is_alt = 0; cpi->ref_frame_flags = VP9_ALT_FLAG | VP9_GOLD_FLAG | VP9_LAST_FLAG; if (cpi->gold_is_last) cpi->ref_frame_flags &= ~VP9_GOLD_FLAG; if (cpi->alt_is_last) cpi->ref_frame_flags &= ~VP9_ALT_FLAG; if (cpi->gold_is_alt) cpi->ref_frame_flags &= ~VP9_ALT_FLAG; if (cpi->oxcf.play_alternate && cpi->refresh_alt_ref_frame && (cm->frame_type != KEY_FRAME)) // Update the alternate reference frame stats as appropriate. update_alt_ref_frame_stats(cpi); else // Update the Golden frame stats as appropriate. update_golden_frame_stats(cpi); if (cm->frame_type == KEY_FRAME) { // Tell the caller that the frame was coded as a key frame *frame_flags = cm->frame_flags | FRAMEFLAGS_KEY; #if CONFIG_MULTIPLE_ARF // Reset the sequence number. if (cpi->multi_arf_enabled) { cpi->sequence_number = 0; cpi->frame_coding_order_period = cpi->new_frame_coding_order_period; cpi->new_frame_coding_order_period = -1; } #endif // As this frame is a key frame the next defaults to an inter frame. cm->frame_type = INTER_FRAME; } else { *frame_flags = cm->frame_flags&~FRAMEFLAGS_KEY; #if CONFIG_MULTIPLE_ARF /* Increment position in the coded frame sequence. */ if (cpi->multi_arf_enabled) { ++cpi->sequence_number; if (cpi->sequence_number >= cpi->frame_coding_order_period) { cpi->sequence_number = 0; cpi->frame_coding_order_period = cpi->new_frame_coding_order_period; cpi->new_frame_coding_order_period = -1; } cpi->this_frame_weight = cpi->arf_weight[cpi->sequence_number]; assert(cpi->this_frame_weight >= 0); } #endif } // Clear the one shot update flags for segmentation map and mode/ref loop filter deltas. cm->seg.update_map = 0; cm->seg.update_data = 0; cm->lf.mode_ref_delta_update = 0; // keep track of the last coded dimensions cm->last_width = cm->width; cm->last_height = cm->height; // reset to normal state now that we are done. cm->last_show_frame = cm->show_frame; if (cm->show_frame) { // current mip will be the prev_mip for the next frame MODE_INFO *temp = cm->prev_mip; cm->prev_mip = cm->mip; cm->mip = temp; // update the upper left visible macroblock ptrs cm->mi = cm->mip + cm->mode_info_stride + 1; // Don't increment frame counters if this was an altref buffer // update not a real frame ++cm->current_video_frame; ++cpi->frames_since_key; } // restore prev_mi cm->prev_mi = cm->prev_mip + cm->mode_info_stride + 1; #if 0 { char filename[512]; FILE *recon_file; sprintf(filename, "enc%04d.yuv", (int) cm->current_video_frame); recon_file = fopen(filename, "wb"); fwrite(cm->yv12_fb[cm->ref_frame_map[cpi->lst_fb_idx]].buffer_alloc, cm->yv12_fb[cm->ref_frame_map[cpi->lst_fb_idx]].frame_size, 1, recon_file); fclose(recon_file); } #endif #ifdef OUTPUT_YUV_REC vp9_write_yuv_rec_frame(cm); #endif } static void Pass2Encode(VP9_COMP *cpi, unsigned long *size, unsigned char *dest, unsigned int *frame_flags) { if (!cpi->refresh_alt_ref_frame) vp9_second_pass(cpi); encode_frame_to_data_rate(cpi, size, dest, frame_flags); // vp9_print_modes_and_motion_vectors(&cpi->common, "encode.stt"); #ifdef DISABLE_RC_LONG_TERM_MEM cpi->twopass.bits_left -= cpi->this_frame_target; #else cpi->twopass.bits_left -= 8 * *size; #endif if (!cpi->refresh_alt_ref_frame) { double lower_bounds_min_rate = FRAME_OVERHEAD_BITS * cpi->oxcf.framerate; double two_pass_min_rate = (double)(cpi->oxcf.target_bandwidth * cpi->oxcf.two_pass_vbrmin_section / 100); if (two_pass_min_rate < lower_bounds_min_rate) two_pass_min_rate = lower_bounds_min_rate; cpi->twopass.bits_left += (int64_t)(two_pass_min_rate / cpi->oxcf.framerate); } } int vp9_receive_raw_frame(VP9_PTR ptr, unsigned int frame_flags, YV12_BUFFER_CONFIG *sd, int64_t time_stamp, int64_t end_time) { VP9_COMP *cpi = (VP9_COMP *) ptr; VP9_COMMON *cm = &cpi->common; struct vpx_usec_timer timer; int res = 0; if (!cpi->initial_width) { // TODO(jkoleszar): Support 1/4 subsampling? cm->subsampling_x = sd->uv_width < sd->y_width; cm->subsampling_y = sd->uv_height < sd->y_height; alloc_raw_frame_buffers(cpi); cpi->initial_width = cm->width; cpi->initial_height = cm->height; } vpx_usec_timer_start(&timer); if (vp9_lookahead_push(cpi->lookahead, sd, time_stamp, end_time, frame_flags, cpi->active_map_enabled ? cpi->active_map : NULL)) res = -1; vpx_usec_timer_mark(&timer); cpi->time_receive_data += vpx_usec_timer_elapsed(&timer); return res; } static int frame_is_reference(const VP9_COMP *cpi) { const VP9_COMMON *cm = &cpi->common; return cm->frame_type == KEY_FRAME || cpi->refresh_last_frame || cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame || cm->refresh_frame_context || cm->lf.mode_ref_delta_update || cm->seg.update_map || cm->seg.update_data; } #if CONFIG_MULTIPLE_ARF int is_next_frame_arf(VP9_COMP *cpi) { // Negative entry in frame_coding_order indicates an ARF at this position. return cpi->frame_coding_order[cpi->sequence_number + 1] < 0 ? 1 : 0; } #endif int vp9_get_compressed_data(VP9_PTR ptr, unsigned int *frame_flags, unsigned long *size, unsigned char *dest, int64_t *time_stamp, int64_t *time_end, int flush) { VP9_COMP *cpi = (VP9_COMP *) ptr; VP9_COMMON *cm = &cpi->common; struct vpx_usec_timer cmptimer; YV12_BUFFER_CONFIG *force_src_buffer = NULL; int i; // FILE *fp_out = fopen("enc_frame_type.txt", "a"); if (!cpi) return -1; vpx_usec_timer_start(&cmptimer); cpi->source = NULL; cpi->mb.e_mbd.allow_high_precision_mv = ALTREF_HIGH_PRECISION_MV; set_mvcost(&cpi->mb); // Should we code an alternate reference frame. if (cpi->oxcf.play_alternate && cpi->source_alt_ref_pending) { int frames_to_arf; #if CONFIG_MULTIPLE_ARF assert(!cpi->multi_arf_enabled || cpi->frame_coding_order[cpi->sequence_number] < 0); if (cpi->multi_arf_enabled && (cpi->pass == 2)) frames_to_arf = (-cpi->frame_coding_order[cpi->sequence_number]) - cpi->next_frame_in_order; else #endif frames_to_arf = cpi->frames_till_gf_update_due; assert(frames_to_arf < cpi->twopass.frames_to_key); if ((cpi->source = vp9_lookahead_peek(cpi->lookahead, frames_to_arf))) { #if CONFIG_MULTIPLE_ARF cpi->alt_ref_source[cpi->arf_buffered] = cpi->source; #else cpi->alt_ref_source = cpi->source; #endif if (cpi->oxcf.arnr_max_frames > 0) { // Produce the filtered ARF frame. // TODO(agrange) merge these two functions. configure_arnr_filter(cpi, cm->current_video_frame + frames_to_arf, cpi->gfu_boost); vp9_temporal_filter_prepare(cpi, frames_to_arf); vp9_extend_frame_borders(&cpi->alt_ref_buffer, cm->subsampling_x, cm->subsampling_y); force_src_buffer = &cpi->alt_ref_buffer; } cm->show_frame = 0; cm->intra_only = 0; cpi->refresh_alt_ref_frame = 1; cpi->refresh_golden_frame = 0; cpi->refresh_last_frame = 0; cpi->is_src_frame_alt_ref = 0; // TODO(agrange) This needs to vary depending on where the next ARF is. cpi->frames_till_alt_ref_frame = frames_to_arf; #if CONFIG_MULTIPLE_ARF if (!cpi->multi_arf_enabled) #endif cpi->source_alt_ref_pending = 0; // Clear Pending altf Ref flag. } } if (!cpi->source) { #if CONFIG_MULTIPLE_ARF int i; #endif if ((cpi->source = vp9_lookahead_pop(cpi->lookahead, flush))) { cm->show_frame = 1; #if CONFIG_MULTIPLE_ARF // Is this frame the ARF overlay. cpi->is_src_frame_alt_ref = 0; for (i = 0; i < cpi->arf_buffered; ++i) { if (cpi->source == cpi->alt_ref_source[i]) { cpi->is_src_frame_alt_ref = 1; cpi->refresh_golden_frame = 1; break; } } #else cpi->is_src_frame_alt_ref = cpi->alt_ref_source && (cpi->source == cpi->alt_ref_source); #endif if (cpi->is_src_frame_alt_ref) { // Current frame is an ARF overlay frame. #if CONFIG_MULTIPLE_ARF cpi->alt_ref_source[i] = NULL; #else cpi->alt_ref_source = NULL; #endif // Don't refresh the last buffer for an ARF overlay frame. It will // become the GF so preserve last as an alternative prediction option. cpi->refresh_last_frame = 0; } #if CONFIG_MULTIPLE_ARF ++cpi->next_frame_in_order; #endif } } if (cpi->source) { cpi->un_scaled_source = cpi->Source = force_src_buffer ? force_src_buffer : &cpi->source->img; *time_stamp = cpi->source->ts_start; *time_end = cpi->source->ts_end; *frame_flags = cpi->source->flags; // fprintf(fp_out, " Frame:%d", cm->current_video_frame); #if CONFIG_MULTIPLE_ARF if (cpi->multi_arf_enabled) { // fprintf(fp_out, " seq_no:%d this_frame_weight:%d", // cpi->sequence_number, cpi->this_frame_weight); } else { // fprintf(fp_out, "\n"); } #else // fprintf(fp_out, "\n"); #endif #if CONFIG_MULTIPLE_ARF if ((cm->frame_type != KEY_FRAME) && (cpi->pass == 2)) cpi->source_alt_ref_pending = is_next_frame_arf(cpi); #endif } else { *size = 0; if (flush && cpi->pass == 1 && !cpi->twopass.first_pass_done) { vp9_end_first_pass(cpi); /* get last stats packet */ cpi->twopass.first_pass_done = 1; } // fclose(fp_out); return -1; } if (cpi->source->ts_start < cpi->first_time_stamp_ever) { cpi->first_time_stamp_ever = cpi->source->ts_start; cpi->last_end_time_stamp_seen = cpi->source->ts_start; } // adjust frame rates based on timestamps given if (!cpi->refresh_alt_ref_frame) { int64_t this_duration; int step = 0; if (cpi->source->ts_start == cpi->first_time_stamp_ever) { this_duration = cpi->source->ts_end - cpi->source->ts_start; step = 1; } else { int64_t last_duration = cpi->last_end_time_stamp_seen - cpi->last_time_stamp_seen; this_duration = cpi->source->ts_end - cpi->last_end_time_stamp_seen; // do a step update if the duration changes by 10% if (last_duration) step = (int)((this_duration - last_duration) * 10 / last_duration); } if (this_duration) { if (step) { vp9_new_framerate(cpi, 10000000.0 / this_duration); } else { // Average this frame's rate into the last second's average // frame rate. If we haven't seen 1 second yet, then average // over the whole interval seen. const double interval = MIN((double)(cpi->source->ts_end - cpi->first_time_stamp_ever), 10000000.0); double avg_duration = 10000000.0 / cpi->oxcf.framerate; avg_duration *= (interval - avg_duration + this_duration); avg_duration /= interval; vp9_new_framerate(cpi, 10000000.0 / avg_duration); } } cpi->last_time_stamp_seen = cpi->source->ts_start; cpi->last_end_time_stamp_seen = cpi->source->ts_end; } // start with a 0 size frame *size = 0; // Clear down mmx registers vp9_clear_system_state(); // __asm emms; /* find a free buffer for the new frame, releasing the reference previously * held. */ cm->fb_idx_ref_cnt[cm->new_fb_idx]--; cm->new_fb_idx = get_free_fb(cm); #if CONFIG_MULTIPLE_ARF /* Set up the correct ARF frame. */ if (cpi->refresh_alt_ref_frame) { ++cpi->arf_buffered; } if (cpi->multi_arf_enabled && (cm->frame_type != KEY_FRAME) && (cpi->pass == 2)) { cpi->alt_fb_idx = cpi->arf_buffer_idx[cpi->sequence_number]; } #endif /* Get the mapping of L/G/A to the reference buffer pool */ cm->active_ref_idx[0] = cm->ref_frame_map[cpi->lst_fb_idx]; cm->active_ref_idx[1] = cm->ref_frame_map[cpi->gld_fb_idx]; cm->active_ref_idx[2] = cm->ref_frame_map[cpi->alt_fb_idx]; #if 0 // CONFIG_MULTIPLE_ARF if (cpi->multi_arf_enabled) { fprintf(fp_out, " idx(%d, %d, %d, %d) active(%d, %d, %d)", cpi->lst_fb_idx, cpi->gld_fb_idx, cpi->alt_fb_idx, cm->new_fb_idx, cm->active_ref_idx[0], cm->active_ref_idx[1], cm->active_ref_idx[2]); if (cpi->refresh_alt_ref_frame) fprintf(fp_out, " type:ARF"); if (cpi->is_src_frame_alt_ref) fprintf(fp_out, " type:OVERLAY[%d]", cpi->alt_fb_idx); fprintf(fp_out, "\n"); } #endif cm->frame_type = INTER_FRAME; cm->frame_flags = *frame_flags; // Reset the frame pointers to the current frame size vp9_realloc_frame_buffer(&cm->yv12_fb[cm->new_fb_idx], cm->width, cm->height, cm->subsampling_x, cm->subsampling_y, VP9BORDERINPIXELS); // Calculate scaling factors for each of the 3 available references for (i = 0; i < ALLOWED_REFS_PER_FRAME; ++i) vp9_setup_scale_factors(cm, i); vp9_setup_interp_filters(&cpi->mb.e_mbd, DEFAULT_INTERP_FILTER, cm); if (cpi->pass == 1) { Pass1Encode(cpi, size, dest, frame_flags); } else if (cpi->pass == 2) { Pass2Encode(cpi, size, dest, frame_flags); } else { encode_frame_to_data_rate(cpi, size, dest, frame_flags); } if (cm->refresh_frame_context) cm->frame_contexts[cm->frame_context_idx] = cm->fc; if (*size > 0) { // if its a dropped frame honor the requests on subsequent frames cpi->droppable = !frame_is_reference(cpi); // return to normal state cm->reset_frame_context = 0; cm->refresh_frame_context = 1; cpi->refresh_alt_ref_frame = 0; cpi->refresh_golden_frame = 0; cpi->refresh_last_frame = 1; cm->frame_type = INTER_FRAME; } vpx_usec_timer_mark(&cmptimer); cpi->time_compress_data += vpx_usec_timer_elapsed(&cmptimer); if (cpi->b_calculate_psnr && cpi->pass != 1 && cm->show_frame) generate_psnr_packet(cpi); #if CONFIG_INTERNAL_STATS if (cpi->pass != 1) { cpi->bytes += *size; if (cm->show_frame) { cpi->count++; if (cpi->b_calculate_psnr) { double ye, ue, ve; double frame_psnr; YV12_BUFFER_CONFIG *orig = cpi->Source; YV12_BUFFER_CONFIG *recon = cpi->common.frame_to_show; YV12_BUFFER_CONFIG *pp = &cm->post_proc_buffer; int y_samples = orig->y_height * orig->y_width; int uv_samples = orig->uv_height * orig->uv_width; int t_samples = y_samples + 2 * uv_samples; double sq_error; ye = (double)calc_plane_error(orig->y_buffer, orig->y_stride, recon->y_buffer, recon->y_stride, orig->y_crop_width, orig->y_crop_height); ue = (double)calc_plane_error(orig->u_buffer, orig->uv_stride, recon->u_buffer, recon->uv_stride, orig->uv_crop_width, orig->uv_crop_height); ve = (double)calc_plane_error(orig->v_buffer, orig->uv_stride, recon->v_buffer, recon->uv_stride, orig->uv_crop_width, orig->uv_crop_height); sq_error = ye + ue + ve; frame_psnr = vp9_mse2psnr(t_samples, 255.0, sq_error); cpi->total_y += vp9_mse2psnr(y_samples, 255.0, ye); cpi->total_u += vp9_mse2psnr(uv_samples, 255.0, ue); cpi->total_v += vp9_mse2psnr(uv_samples, 255.0, ve); cpi->total_sq_error += sq_error; cpi->total += frame_psnr; { double frame_psnr2, frame_ssim2 = 0; double weight = 0; #if CONFIG_POSTPROC vp9_deblock(cm->frame_to_show, &cm->post_proc_buffer, cm->lf.filter_level * 10 / 6); #endif vp9_clear_system_state(); ye = (double)calc_plane_error(orig->y_buffer, orig->y_stride, pp->y_buffer, pp->y_stride, orig->y_crop_width, orig->y_crop_height); ue = (double)calc_plane_error(orig->u_buffer, orig->uv_stride, pp->u_buffer, pp->uv_stride, orig->uv_crop_width, orig->uv_crop_height); ve = (double)calc_plane_error(orig->v_buffer, orig->uv_stride, pp->v_buffer, pp->uv_stride, orig->uv_crop_width, orig->uv_crop_height); sq_error = ye + ue + ve; frame_psnr2 = vp9_mse2psnr(t_samples, 255.0, sq_error); cpi->totalp_y += vp9_mse2psnr(y_samples, 255.0, ye); cpi->totalp_u += vp9_mse2psnr(uv_samples, 255.0, ue); cpi->totalp_v += vp9_mse2psnr(uv_samples, 255.0, ve); cpi->total_sq_error2 += sq_error; cpi->totalp += frame_psnr2; frame_ssim2 = vp9_calc_ssim(cpi->Source, recon, 1, &weight); cpi->summed_quality += frame_ssim2 * weight; cpi->summed_weights += weight; frame_ssim2 = vp9_calc_ssim(cpi->Source, &cm->post_proc_buffer, 1, &weight); cpi->summedp_quality += frame_ssim2 * weight; cpi->summedp_weights += weight; #if 0 { FILE *f = fopen("q_used.stt", "a"); fprintf(f, "%5d : Y%f7.3:U%f7.3:V%f7.3:F%f7.3:S%7.3f\n", cpi->common.current_video_frame, y2, u2, v2, frame_psnr2, frame_ssim2); fclose(f); } #endif } } if (cpi->b_calculate_ssimg) { double y, u, v, frame_all; frame_all = vp9_calc_ssimg(cpi->Source, cm->frame_to_show, &y, &u, &v); cpi->total_ssimg_y += y; cpi->total_ssimg_u += u; cpi->total_ssimg_v += v; cpi->total_ssimg_all += frame_all; } } } #endif // fclose(fp_out); return 0; } int vp9_get_preview_raw_frame(VP9_PTR comp, YV12_BUFFER_CONFIG *dest, vp9_ppflags_t *flags) { VP9_COMP *cpi = (VP9_COMP *) comp; if (!cpi->common.show_frame) return -1; else { int ret; #if CONFIG_POSTPROC ret = vp9_post_proc_frame(&cpi->common, dest, flags); #else if (cpi->common.frame_to_show) { *dest = *cpi->common.frame_to_show; dest->y_width = cpi->common.width; dest->y_height = cpi->common.height; dest->uv_height = cpi->common.height / 2; ret = 0; } else { ret = -1; } #endif // !CONFIG_POSTPROC vp9_clear_system_state(); return ret; } } int vp9_set_roimap(VP9_PTR comp, unsigned char *map, unsigned int rows, unsigned int cols, int delta_q[MAX_SEGMENTS], int delta_lf[MAX_SEGMENTS], unsigned int threshold[MAX_SEGMENTS]) { VP9_COMP *cpi = (VP9_COMP *) comp; signed char feature_data[SEG_LVL_MAX][MAX_SEGMENTS]; struct segmentation *seg = &cpi->common.seg; int i; if (cpi->common.mb_rows != rows || cpi->common.mb_cols != cols) return -1; if (!map) { vp9_disable_segmentation((VP9_PTR)cpi); return 0; } // Set the segmentation Map vp9_set_segmentation_map((VP9_PTR)cpi, map); // Activate segmentation. vp9_enable_segmentation((VP9_PTR)cpi); // Set up the quant, LF and breakout threshold segment data for (i = 0; i < MAX_SEGMENTS; i++) { feature_data[SEG_LVL_ALT_Q][i] = delta_q[i]; feature_data[SEG_LVL_ALT_LF][i] = delta_lf[i]; cpi->segment_encode_breakout[i] = threshold[i]; } // Enable the loop and quant changes in the feature mask for (i = 0; i < MAX_SEGMENTS; i++) { if (delta_q[i]) vp9_enable_segfeature(seg, i, SEG_LVL_ALT_Q); else vp9_disable_segfeature(seg, i, SEG_LVL_ALT_Q); if (delta_lf[i]) vp9_enable_segfeature(seg, i, SEG_LVL_ALT_LF); else vp9_disable_segfeature(seg, i, SEG_LVL_ALT_LF); } // Initialize the feature data structure // SEGMENT_DELTADATA 0, SEGMENT_ABSDATA 1 vp9_set_segment_data((VP9_PTR)cpi, &feature_data[0][0], SEGMENT_DELTADATA); return 0; } int vp9_set_active_map(VP9_PTR comp, unsigned char *map, unsigned int rows, unsigned int cols) { VP9_COMP *cpi = (VP9_COMP *) comp; if (rows == cpi->common.mb_rows && cols == cpi->common.mb_cols) { if (map) { vpx_memcpy(cpi->active_map, map, rows * cols); cpi->active_map_enabled = 1; } else { cpi->active_map_enabled = 0; } return 0; } else { // cpi->active_map_enabled = 0; return -1; } } int vp9_set_internal_size(VP9_PTR comp, VPX_SCALING horiz_mode, VPX_SCALING vert_mode) { VP9_COMP *cpi = (VP9_COMP *) comp; VP9_COMMON *cm = &cpi->common; int hr = 0, hs = 0, vr = 0, vs = 0; if (horiz_mode > ONETWO || vert_mode > ONETWO) return -1; Scale2Ratio(horiz_mode, &hr, &hs); Scale2Ratio(vert_mode, &vr, &vs); // always go to the next whole number cm->width = (hs - 1 + cpi->oxcf.width * hr) / hs; cm->height = (vs - 1 + cpi->oxcf.height * vr) / vs; assert(cm->width <= cpi->initial_width); assert(cm->height <= cpi->initial_height); update_frame_size(cpi); return 0; } int vp9_calc_ss_err(YV12_BUFFER_CONFIG *source, YV12_BUFFER_CONFIG *dest) { int i, j; int total = 0; uint8_t *src = source->y_buffer; uint8_t *dst = dest->y_buffer; // Loop through the Y plane raw and reconstruction data summing // (square differences) for (i = 0; i < source->y_height; i += 16) { for (j = 0; j < source->y_width; j += 16) { unsigned int sse; total += vp9_mse16x16(src + j, source->y_stride, dst + j, dest->y_stride, &sse); } src += 16 * source->y_stride; dst += 16 * dest->y_stride; } return total; } int vp9_get_quantizer(VP9_PTR c) { return ((VP9_COMP *)c)->common.base_qindex; }