diff -r 000000000000 -r 6474c204b198 media/libvpx/vp9/encoder/vp9_onyx_if.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/media/libvpx/vp9/encoder/vp9_onyx_if.c Wed Dec 31 06:09:35 2014 +0100 @@ -0,0 +1,4309 @@ +/* + * 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 +#include +#include + +#include "./vpx_config.h" +#include "./vpx_scale_rtcd.h" + +#include "vp9/common/vp9_alloccommon.h" +#include "vp9/common/vp9_filter.h" +#include "vp9/common/vp9_idct.h" +#if CONFIG_VP9_POSTPROC +#include "vp9/common/vp9_postproc.h" +#endif +#include "vp9/common/vp9_reconinter.h" +#include "vp9/common/vp9_systemdependent.h" +#include "vp9/common/vp9_tile_common.h" +#include "vp9/encoder/vp9_firstpass.h" +#include "vp9/encoder/vp9_mbgraph.h" +#include "vp9/encoder/vp9_onyx_int.h" +#include "vp9/encoder/vp9_picklpf.h" +#include "vp9/encoder/vp9_psnr.h" +#include "vp9/encoder/vp9_ratectrl.h" +#include "vp9/encoder/vp9_rdopt.h" +#include "vp9/encoder/vp9_segmentation.h" +#include "vp9/encoder/vp9_temporal_filter.h" +#include "vp9/encoder/vp9_vaq.h" + +#include "vpx_ports/vpx_timer.h" + + +extern void print_tree_update_probs(); + +static void set_default_lf_deltas(struct loopfilter *lf); + +#define DEFAULT_INTERP_FILTER SWITCHABLE + +#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 high precision + // mv. Choose a very high value for + // now so that HIGH_PRECISION is always + // chosen. + +// Masks for partially or completely disabling split mode +#define DISABLE_ALL_SPLIT 0x3F +#define DISABLE_ALL_INTER_SPLIT 0x1F +#define DISABLE_COMPOUND_SPLIT 0x18 +#define LAST_AND_INTRA_SPLIT_ONLY 0x1E + +#if CONFIG_INTERNAL_STATS +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[INTRA_MODES] + [INTRA_MODES] + [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 int afq_low_motion_minq[QINDEX_RANGE]; +static int afq_high_motion_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, + 0.32, + 0.0); + gf_high_motion_minq[i] = calculate_minq_index(maxq, + 0.0000021, + -0.00125, + 0.50, + 0.0); + inter_minq[i] = calculate_minq_index(maxq, + 0.00000271, + -0.00113, + 0.75, + 0.0); + afq_low_motion_minq[i] = calculate_minq_index(maxq, + 0.0000015, + -0.0009, + 0.33, + 0.0); + afq_high_motion_minq[i] = calculate_minq_index(maxq, + 0.0000021, + -0.00125, + 0.55, + 0.0); + } +} + +static int get_active_quality(int q, + int gfu_boost, + int low, + int high, + int *low_motion_minq, + int *high_motion_minq) { + int active_best_quality; + if (gfu_boost > high) { + active_best_quality = low_motion_minq[q]; + } else if (gfu_boost < low) { + active_best_quality = high_motion_minq[q]; + } else { + const int gap = high - low; + const int offset = high - gfu_boost; + const int qdiff = high_motion_minq[q] - low_motion_minq[q]; + const int adjustment = ((offset * qdiff) + (gap >> 1)) / gap; + active_best_quality = low_motion_minq[q] + adjustment; + } + return active_best_quality; +} + +static void set_mvcost(VP9_COMP *cpi) { + MACROBLOCK *const mb = &cpi->mb; + if (cpi->common.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->above_context[0]); + cpi->above_context[0] = NULL; + + vpx_free(cpi->above_seg_context); + cpi->above_seg_context = NULL; +} + +// Computes a q delta (in "q index" terms) to get from a starting q value +// to a target value +// target q value +int vp9_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 = vp9_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 = vp9_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)[INTER_MODES - 1][2] = + cm->fc.inter_mode_counts; + int64_t (*mv_ref_stats)[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 < 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][INTER_MODES - 1] ="); + fprintf(f, "{\n"); + for (j = 0; j < INTER_MODE_CONTEXTS; j++) { + fprintf(f, " {/* %d */ ", j); + fprintf(f, " "); + for (i = 0; i < 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_8x8, **mi_8x8_ptr = cm->mi_grid_visible; + uint8_t *cache_ptr = cm->last_frame_seg_map, *cache; + + for (row = 0; row < cm->mi_rows; row++) { + mi_8x8 = mi_8x8_ptr; + cache = cache_ptr; + for (col = 0; col < cm->mi_cols; col++, mi_8x8++, cache++) + cache[0] = mi_8x8[0]->mbmi.segment_id; + mi_8x8_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) { + SPEED_FEATURES *sf = &cpi->sf; + 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_DC] += 1000; + + sf->thresh_mult[THR_NEWMV] += 1000; + sf->thresh_mult[THR_NEWA] += 1000; + sf->thresh_mult[THR_NEWG] += 1000; + + sf->thresh_mult[THR_NEARMV] += 1000; + sf->thresh_mult[THR_NEARA] += 1000; + sf->thresh_mult[THR_COMP_NEARESTLA] += 1000; + sf->thresh_mult[THR_COMP_NEARESTGA] += 1000; + + sf->thresh_mult[THR_TM] += 1000; + + sf->thresh_mult[THR_COMP_NEARLA] += 1500; + sf->thresh_mult[THR_COMP_NEWLA] += 2000; + sf->thresh_mult[THR_NEARG] += 1000; + sf->thresh_mult[THR_COMP_NEARGA] += 1500; + sf->thresh_mult[THR_COMP_NEWGA] += 2000; + + sf->thresh_mult[THR_ZEROMV] += 2000; + sf->thresh_mult[THR_ZEROG] += 2000; + sf->thresh_mult[THR_ZEROA] += 2000; + sf->thresh_mult[THR_COMP_ZEROLA] += 2500; + sf->thresh_mult[THR_COMP_ZEROGA] += 2500; + + sf->thresh_mult[THR_H_PRED] += 2000; + sf->thresh_mult[THR_V_PRED] += 2000; + sf->thresh_mult[THR_D45_PRED ] += 2500; + sf->thresh_mult[THR_D135_PRED] += 2500; + sf->thresh_mult[THR_D117_PRED] += 2500; + sf->thresh_mult[THR_D153_PRED] += 2500; + sf->thresh_mult[THR_D207_PRED] += 2500; + sf->thresh_mult[THR_D63_PRED] += 2500; + + /* 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; + } + 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; + } + 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; + } + + 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; + } + 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; + } +} + +static void set_rd_speed_thresholds_sub8x8(VP9_COMP *cpi, int mode) { + SPEED_FEATURES *sf = &cpi->sf; + int i; + + for (i = 0; i < MAX_REFS; ++i) + sf->thresh_mult_sub8x8[i] = mode == 0 ? -500 : 0; + + sf->thresh_mult_sub8x8[THR_LAST] += 2500; + sf->thresh_mult_sub8x8[THR_GOLD] += 2500; + sf->thresh_mult_sub8x8[THR_ALTR] += 2500; + sf->thresh_mult_sub8x8[THR_INTRA] += 2500; + sf->thresh_mult_sub8x8[THR_COMP_LA] += 4500; + sf->thresh_mult_sub8x8[THR_COMP_GA] += 4500; + + // Check for masked out split cases. + for (i = 0; i < MAX_REFS; i++) { + if (sf->disable_split_mask & (1 << i)) + sf->thresh_mult_sub8x8[i] = INT_MAX; + } + + // disable mode test if frame flag is not set + if (!(cpi->ref_frame_flags & VP9_LAST_FLAG)) + sf->thresh_mult_sub8x8[THR_LAST] = INT_MAX; + if (!(cpi->ref_frame_flags & VP9_GOLD_FLAG)) + sf->thresh_mult_sub8x8[THR_GOLD] = INT_MAX; + if (!(cpi->ref_frame_flags & VP9_ALT_FLAG)) + sf->thresh_mult_sub8x8[THR_ALTR] = INT_MAX; + if ((cpi->ref_frame_flags & (VP9_LAST_FLAG | VP9_ALT_FLAG)) != + (VP9_LAST_FLAG | VP9_ALT_FLAG)) + sf->thresh_mult_sub8x8[THR_COMP_LA] = INT_MAX; + if ((cpi->ref_frame_flags & (VP9_GOLD_FLAG | VP9_ALT_FLAG)) != + (VP9_GOLD_FLAG | VP9_ALT_FLAG)) + sf->thresh_mult_sub8x8[THR_COMP_GA] = 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; + + for (i = 0; i < MAX_MODES; ++i) + 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 = LAST_FRAME_PARTITION_OFF; + sf->tx_size_search_method = USE_FULL_RD; + sf->use_lp32x32fdct = 0; + sf->adaptive_motion_search = 0; + sf->use_avoid_tested_higherror = 0; + sf->reference_masking = 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->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_split_mask = 0; + sf->mode_search_skip_flags = 0; + sf->disable_split_var_thresh = 0; + sf->disable_filter_search_var_thresh = 0; + for (i = 0; i < TX_SIZES; i++) { + sf->intra_y_mode_mask[i] = ALL_INTRA_MODES; + sf->intra_uv_mode_mask[i] = ALL_INTRA_MODES; + } + sf->use_rd_breakout = 0; + sf->skip_encode_sb = 0; + sf->use_uv_intra_rd_estimate = 0; + sf->use_fast_lpf_pick = 0; + sf->use_fast_coef_updates = 0; + sf->using_small_partition_info = 0; + sf->mode_skip_start = MAX_MODES; // Mode index at which mode skip mask set + +#if CONFIG_MULTIPLE_ARF + // Switch segmentation off. + sf->static_segmentation = 0; +#else + sf->static_segmentation = 0; +#endif + + switch (mode) { + case 0: // This is the best quality mode. + 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; + sf->recode_loop = (speed < 1); + + if (speed == 1) { + sf->use_square_partition_only = !frame_is_intra_only(&cpi->common); + sf->less_rectangular_check = 1; + sf->tx_size_search_method = frame_is_intra_only(&cpi->common) + ? USE_FULL_RD : USE_LARGESTALL; + + if (MIN(cpi->common.width, cpi->common.height) >= 720) + sf->disable_split_mask = cpi->common.show_frame ? + DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; + else + sf->disable_split_mask = DISABLE_COMPOUND_SPLIT; + + sf->use_rd_breakout = 1; + sf->adaptive_motion_search = 1; + sf->auto_mv_step_size = 1; + sf->adaptive_rd_thresh = 2; + sf->recode_loop = 2; + sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V; + sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V; + sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V; + } + if (speed == 2) { + sf->use_square_partition_only = !frame_is_intra_only(&cpi->common); + sf->less_rectangular_check = 1; + sf->tx_size_search_method = frame_is_intra_only(&cpi->common) + ? USE_FULL_RD : USE_LARGESTALL; + + if (MIN(cpi->common.width, cpi->common.height) >= 720) + sf->disable_split_mask = cpi->common.show_frame ? + DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; + else + sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY; + + + sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH | + FLAG_SKIP_INTRA_BESTINTER | + FLAG_SKIP_COMP_BESTINTRA | + FLAG_SKIP_INTRA_LOWVAR; + + sf->use_rd_breakout = 1; + sf->adaptive_motion_search = 1; + sf->auto_mv_step_size = 1; + + sf->disable_filter_search_var_thresh = 16; + sf->comp_inter_joint_search_thresh = BLOCK_SIZES; + + sf->auto_min_max_partition_size = 1; + sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_LOW_MOTION; + sf->adjust_partitioning_from_last_frame = 1; + sf->last_partitioning_redo_frequency = 3; + + sf->adaptive_rd_thresh = 2; + sf->recode_loop = 2; + sf->use_lp32x32fdct = 1; + sf->mode_skip_start = 11; + sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V; + sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V; + sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V; + sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V; + } + if (speed == 3) { + sf->use_square_partition_only = 1; + sf->tx_size_search_method = USE_LARGESTALL; + + if (MIN(cpi->common.width, cpi->common.height) >= 720) + sf->disable_split_mask = DISABLE_ALL_SPLIT; + else + sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT; + + sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH | + FLAG_SKIP_INTRA_BESTINTER | + FLAG_SKIP_COMP_BESTINTRA | + FLAG_SKIP_INTRA_LOWVAR; + + sf->use_rd_breakout = 1; + sf->adaptive_motion_search = 1; + sf->auto_mv_step_size = 1; + + sf->disable_filter_search_var_thresh = 16; + sf->comp_inter_joint_search_thresh = BLOCK_SIZES; + + sf->auto_min_max_partition_size = 1; + sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL; + sf->adjust_partitioning_from_last_frame = 1; + sf->last_partitioning_redo_frequency = 3; + + sf->use_uv_intra_rd_estimate = 1; + sf->skip_encode_sb = 1; + sf->use_lp32x32fdct = 1; + sf->subpel_iters_per_step = 1; + sf->use_fast_coef_updates = 2; + + sf->adaptive_rd_thresh = 4; + sf->mode_skip_start = 6; + } + if (speed == 4) { + sf->use_square_partition_only = 1; + sf->tx_size_search_method = USE_LARGESTALL; + sf->disable_split_mask = DISABLE_ALL_SPLIT; + + 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->adaptive_motion_search = 1; + sf->auto_mv_step_size = 1; + + sf->disable_filter_search_var_thresh = 16; + sf->comp_inter_joint_search_thresh = BLOCK_SIZES; + + sf->auto_min_max_partition_size = 1; + sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL; + sf->adjust_partitioning_from_last_frame = 1; + sf->last_partitioning_redo_frequency = 3; + + sf->use_uv_intra_rd_estimate = 1; + sf->skip_encode_sb = 1; + sf->use_lp32x32fdct = 1; + sf->subpel_iters_per_step = 1; + sf->use_fast_coef_updates = 2; + + sf->adaptive_rd_thresh = 4; + sf->mode_skip_start = 6; + + /* sf->intra_y_mode_mask = INTRA_DC_ONLY; + sf->intra_uv_mode_mask = INTRA_DC_ONLY; + sf->search_method = BIGDIA; + sf->disable_split_var_thresh = 64; + sf->disable_filter_search_var_thresh = 64; */ + } + if (speed == 5) { + 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 = frame_is_intra_only(&cpi->common) ? + 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_split_mask = DISABLE_ALL_SPLIT; + sf->search_method = HEX; + sf->subpel_iters_per_step = 1; + sf->disable_split_var_thresh = 64; + sf->disable_filter_search_var_thresh = 96; + for (i = 0; i < TX_SIZES; i++) { + sf->intra_y_mode_mask[i] = INTRA_DC_ONLY; + sf->intra_uv_mode_mask[i] = INTRA_DC_ONLY; + } + sf->use_fast_coef_updates = 2; + sf->adaptive_rd_thresh = 4; + sf->mode_skip_start = 6; + } + break; + }; /* switch */ + + // Set rd thresholds based on mode and speed setting + set_rd_speed_thresholds(cpi, mode); + set_rd_speed_thresholds_sub8x8(cpi, mode); + + // 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; + } + + // No recode for 1 pass. + if (cpi->pass == 0) { + sf->recode_loop = 0; + sf->optimize_coefficients = 0; + } + + cpi->mb.fwd_txm4x4 = vp9_fdct4x4; + if (cpi->oxcf.lossless || cpi->mb.e_mbd.lossless) { + cpi->mb.fwd_txm4x4 = vp9_fwht4x4; + } + + 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"); +} + +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 (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))); + } + + 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)); + + // 2 contexts per 'mi unit', so that we have one context per 4x4 txfm + // block where mi unit size is 8x8. + vpx_free(cpi->above_context[0]); + CHECK_MEM_ERROR(cm, cpi->above_context[0], + vpx_calloc(2 * mi_cols_aligned_to_sb(cm->mi_cols) * + MAX_MB_PLANE, + sizeof(*cpi->above_context[0]))); + + vpx_free(cpi->above_seg_context); + CHECK_MEM_ERROR(cm, cpi->above_seg_context, + vpx_calloc(mi_cols_aligned_to_sb(cm->mi_cols), + sizeof(*cpi->above_seg_context))); +} + + +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); + } + } + + { + int i; + for (i = 1; i < MAX_MB_PLANE; ++i) { + cpi->above_context[i] = cpi->above_context[0] + + i * sizeof(*cpi->above_context[0]) * 2 * + mi_cols_aligned_to_sb(cm->mi_cols); + } + } +} + + +// 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; + + 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; + + cpi->current_layer = 0; + cpi->use_svc = 0; + + 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_GOODQUALITY: + cpi->pass = 0; + cpi->compressor_speed = 2; + cpi->oxcf.cpu_used = clamp(cpi->oxcf.cpu_used, -5, 5); + break; + + 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; + cpi->mb.e_mbd.itxm_add = cpi->oxcf.lossless ? vp9_iwht4x4_add + : vp9_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->common.allow_high_precision_mv = 0; // Default mv precision + set_mvcost(cpi); + + { + 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); +} + +static void alloc_mode_context(VP9_COMMON *cm, int num_4x4_blk, + PICK_MODE_CONTEXT *ctx) { + int num_pix = num_4x4_blk << 4; + int i, k; + ctx->num_4x4_blk = num_4x4_blk; + CHECK_MEM_ERROR(cm, ctx->zcoeff_blk, + vpx_calloc(num_4x4_blk, sizeof(uint8_t))); + for (i = 0; i < MAX_MB_PLANE; ++i) { + for (k = 0; k < 3; ++k) { + CHECK_MEM_ERROR(cm, ctx->coeff[i][k], + vpx_memalign(16, num_pix * sizeof(int16_t))); + CHECK_MEM_ERROR(cm, ctx->qcoeff[i][k], + vpx_memalign(16, num_pix * sizeof(int16_t))); + CHECK_MEM_ERROR(cm, ctx->dqcoeff[i][k], + vpx_memalign(16, num_pix * sizeof(int16_t))); + CHECK_MEM_ERROR(cm, ctx->eobs[i][k], + vpx_memalign(16, num_pix * sizeof(uint16_t))); + ctx->coeff_pbuf[i][k] = ctx->coeff[i][k]; + ctx->qcoeff_pbuf[i][k] = ctx->qcoeff[i][k]; + ctx->dqcoeff_pbuf[i][k] = ctx->dqcoeff[i][k]; + ctx->eobs_pbuf[i][k] = ctx->eobs[i][k]; + } + } +} + +static void free_mode_context(PICK_MODE_CONTEXT *ctx) { + int i, k; + vpx_free(ctx->zcoeff_blk); + ctx->zcoeff_blk = 0; + for (i = 0; i < MAX_MB_PLANE; ++i) { + for (k = 0; k < 3; ++k) { + vpx_free(ctx->coeff[i][k]); + ctx->coeff[i][k] = 0; + vpx_free(ctx->qcoeff[i][k]); + ctx->qcoeff[i][k] = 0; + vpx_free(ctx->dqcoeff[i][k]); + ctx->dqcoeff[i][k] = 0; + vpx_free(ctx->eobs[i][k]); + ctx->eobs[i][k] = 0; + } + } +} + +static void init_pick_mode_context(VP9_COMP *cpi) { + int i; + VP9_COMMON *const cm = &cpi->common; + MACROBLOCK *const x = &cpi->mb; + + + for (i = 0; i < BLOCK_SIZES; ++i) { + const int num_4x4_w = num_4x4_blocks_wide_lookup[i]; + const int num_4x4_h = num_4x4_blocks_high_lookup[i]; + const int num_4x4_blk = MAX(4, num_4x4_w * num_4x4_h); + if (i < BLOCK_16X16) { + for (x->sb_index = 0; x->sb_index < 4; ++x->sb_index) { + for (x->mb_index = 0; x->mb_index < 4; ++x->mb_index) { + for (x->b_index = 0; x->b_index < 16 / num_4x4_blk; ++x->b_index) { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + alloc_mode_context(cm, num_4x4_blk, ctx); + } + } + } + } else if (i < BLOCK_32X32) { + for (x->sb_index = 0; x->sb_index < 4; ++x->sb_index) { + for (x->mb_index = 0; x->mb_index < 64 / num_4x4_blk; ++x->mb_index) { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + ctx->num_4x4_blk = num_4x4_blk; + alloc_mode_context(cm, num_4x4_blk, ctx); + } + } + } else if (i < BLOCK_64X64) { + for (x->sb_index = 0; x->sb_index < 256 / num_4x4_blk; ++x->sb_index) { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + ctx->num_4x4_blk = num_4x4_blk; + alloc_mode_context(cm, num_4x4_blk, ctx); + } + } else { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + ctx->num_4x4_blk = num_4x4_blk; + alloc_mode_context(cm, num_4x4_blk, ctx); + } + } +} + +static void free_pick_mode_context(MACROBLOCK *x) { + int i; + + for (i = 0; i < BLOCK_SIZES; ++i) { + const int num_4x4_w = num_4x4_blocks_wide_lookup[i]; + const int num_4x4_h = num_4x4_blocks_high_lookup[i]; + const int num_4x4_blk = MAX(4, num_4x4_w * num_4x4_h); + if (i < BLOCK_16X16) { + for (x->sb_index = 0; x->sb_index < 4; ++x->sb_index) { + for (x->mb_index = 0; x->mb_index < 4; ++x->mb_index) { + for (x->b_index = 0; x->b_index < 16 / num_4x4_blk; ++x->b_index) { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + free_mode_context(ctx); + } + } + } + } else if (i < BLOCK_32X32) { + for (x->sb_index = 0; x->sb_index < 4; ++x->sb_index) { + for (x->mb_index = 0; x->mb_index < 64 / num_4x4_blk; ++x->mb_index) { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + free_mode_context(ctx); + } + } + } else if (i < BLOCK_64X64) { + for (x->sb_index = 0; x->sb_index < 256 / num_4x4_blk; ++x->sb_index) { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + free_mode_context(ctx); + } + } else { + PICK_MODE_CONTEXT *ctx = get_block_context(x, i); + free_mode_context(ctx); + } + } +} + +VP9_PTR vp9_create_compressor(VP9_CONFIG *oxcf) { + int i, j; + 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); + + init_pick_mode_context(cpi); + + 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; + + // Spatial scalability + cpi->number_spatial_layers = oxcf->ss_number_layers; + + // 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; // Sensible default for 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; + + cpi->enable_encode_breakout = 1; + + 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); + + // Default rd threshold factors for mode selection + for (i = 0; i < BLOCK_SIZES; ++i) { + for (j = 0; j < MAX_MODES; ++j) + cpi->rd_thresh_freq_fact[i][j] = 32; + for (j = 0; j < MAX_REFS; ++j) + cpi->rd_thresh_freq_sub8x8[i][j] = 32; + } + +#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); + +#ifdef MODE_TEST_HIT_STATS + vp9_zero(cpi->mode_test_hits); +#endif + + 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); + } + + 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); + } + + fclose(f); + } + +#endif + +#ifdef MODE_TEST_HIT_STATS + if (cpi->pass != 1) { + double norm_per_pixel_mode_tests = 0; + double norm_counts[BLOCK_SIZES]; + int i; + int sb64_per_frame; + int norm_factors[BLOCK_SIZES] = + {256, 128, 128, 64, 32, 32, 16, 8, 8, 4, 2, 2, 1}; + FILE *f = fopen("mode_hit_stats.stt", "a"); + + // On average, how many mode tests do we do + for (i = 0; i < BLOCK_SIZES; ++i) { + norm_counts[i] = (double)cpi->mode_test_hits[i] / + (double)norm_factors[i]; + norm_per_pixel_mode_tests += norm_counts[i]; + } + // Convert to a number per 64x64 and per frame + sb64_per_frame = ((cpi->common.height + 63) / 64) * + ((cpi->common.width + 63) / 64); + norm_per_pixel_mode_tests = + norm_per_pixel_mode_tests / + (double)(cpi->common.current_video_frame * sb64_per_frame); + + fprintf(f, "%6.4f\n", norm_per_pixel_mode_tests); + 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, "[INTRA_MODES][INTRA_MODES]" + "[INTRA_MODES] =\n{\n"); + + for (i = 0; i < INTRA_MODES; i++) { + fprintf(fmode, " { // Above Mode : %d\n", i); + + for (j = 0; j < INTRA_MODES; j++) { + fprintf(fmode, " {"); + + for (k = 0; k < 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 + } + + free_pick_mode_context(&cpi->mb); + 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; + + // TODO(ivan): For SVC encoder, GF automatic update is disabled by using + // a large GF_interval. + if (cpi->use_svc) { + cpi->frames_till_gf_update_due = INT_MAX; + } + } + + 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) { + FILE *yframe; + int i; + char filename[255]; + + snprintf(filename, sizeof(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); + snprintf(filename, sizeof(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); + snprintf(filename, sizeof(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; + } else if (cpi->oxcf.end_usage == USAGE_CONSTRAINED_QUALITY) { + // Deal with frame undershoot and whether or not we are + // below the automatically set 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 && + !cpi->use_svc) { +#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; + int refs[ALLOWED_REFS_PER_FRAME] = {cpi->lst_fb_idx, cpi->gld_fb_idx, + cpi->alt_fb_idx}; + + for (i = 0; i < 3; i++) { + YV12_BUFFER_CONFIG *ref = &cm->yv12_fb[cm->ref_frame_map[refs[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[refs[i]]; + cm->fb_idx_ref_cnt[cm->ref_frame_map[refs[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]); + } +} + +#if 0 && CONFIG_INTERNAL_STATS +static void output_frame_level_debug_stats(VP9_COMP *cpi) { + VP9_COMMON *const cm = &cpi->common; + FILE *const f = fopen("tmp.stt", cm->current_video_frame ? "a" : "w"); + int recon_err; + + vp9_clear_system_state(); // __asm emms; + + recon_err = vp9_calc_ss_err(cpi->Source, get_frame_new_buffer(cm)); + + if (cpi->twopass.total_left_stats.coded_error != 0.0) + fprintf(f, "%10d %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, + (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, cm->base_qindex, + 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 / + (1 + 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 *const 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]); + for (i = 0; i < MAX_REFS; ++i) + fprintf(fmodes, "%5d ", cpi->sub8x8_mode_chosen_counts[i]); + + fprintf(fmodes, "\n"); + + fclose(fmodes); + } +} +#endif + +static int pick_q_and_adjust_q_bounds(VP9_COMP *cpi, + int * bottom_index, int * top_index) { + // Set an active best quality and if necessary active worst quality + int q = cpi->active_worst_quality; + VP9_COMMON *const cm = &cpi->common; + + if (frame_is_intra_only(cm)) { +#if !CONFIG_MULTIPLE_ARF + // Handle the special case for key frames forced when we have75 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 = vp9_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 + cpi->active_best_quality = get_active_quality(q, cpi->kf_boost, + low, high, + kf_low_motion_minq, + kf_high_motion_minq); + + // 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 += + vp9_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 + + vp9_compute_qdelta(cpi, current_q, current_q * 0.3); +#endif + } else if (!cpi->is_src_frame_alt_ref && + (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 best 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) { + if (q < cpi->cq_target_quality) + q = cpi->cq_target_quality; + if (cpi->frames_since_key > 1) { + cpi->active_best_quality = get_active_quality(q, cpi->gfu_boost, + low, high, + afq_low_motion_minq, + afq_high_motion_minq); + } else { + cpi->active_best_quality = get_active_quality(q, cpi->gfu_boost, + low, high, + gf_low_motion_minq, + gf_high_motion_minq); + } + // Constrained quality use slightly lower active best. + cpi->active_best_quality = cpi->active_best_quality * 15 / 16; + + } else if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) { + if (!cpi->refresh_alt_ref_frame) { + cpi->active_best_quality = cpi->cq_target_quality; + } else { + if (cpi->frames_since_key > 1) { + cpi->active_best_quality = get_active_quality(q, cpi->gfu_boost, + low, high, + afq_low_motion_minq, + afq_high_motion_minq); + } else { + cpi->active_best_quality = get_active_quality(q, cpi->gfu_boost, + low, high, + gf_low_motion_minq, + gf_high_motion_minq); + } + } + } else { + cpi->active_best_quality = get_active_quality(q, cpi->gfu_boost, + low, high, + gf_low_motion_minq, + gf_high_motion_minq); + } + } else { + if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) { + cpi->active_best_quality = cpi->cq_target_quality; + } else { + cpi->active_best_quality = inter_minq[q]; + // 1-pass: for now, use the average Q for the active_best, if its lower + // than active_worst. + if (cpi->pass == 0 && (cpi->avg_frame_qindex < q)) + cpi->active_best_quality = inter_minq[cpi->avg_frame_qindex]; + + // For the 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; + + // Limit Q range for the adaptive loop. + if (cm->frame_type == KEY_FRAME && !cpi->this_key_frame_forced) { + *top_index = + (cpi->active_worst_quality + cpi->active_best_quality * 3) / 4; + // If this is the first (key) frame in 1-pass, active best is the user + // best-allowed, and leave the top_index to active_worst. + if (cpi->pass == 0 && cpi->common.current_video_frame == 0) { + cpi->active_best_quality = cpi->oxcf.best_allowed_q; + *top_index = cpi->oxcf.worst_allowed_q; + } + } else if (!cpi->is_src_frame_alt_ref && + (cpi->oxcf.end_usage != USAGE_STREAM_FROM_SERVER) && + (cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame)) { + *top_index = + (cpi->active_worst_quality + cpi->active_best_quality) / 2; + } else { + *top_index = cpi->active_worst_quality; + } + *bottom_index = cpi->active_best_quality; + + if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) { + q = cpi->active_best_quality; + // Special case code to try and match quality with forced key frames + } else if ((cm->frame_type == KEY_FRAME) && cpi->this_key_frame_forced) { + q = cpi->last_boosted_qindex; + } else { + // Determine initial Q to try. + if (cpi->pass == 0) { + // 1-pass: for now, use per-frame-bw for target size of frame, scaled + // by |x| for key frame. + int scale = (cm->frame_type == KEY_FRAME) ? 5 : 1; + q = vp9_regulate_q(cpi, scale * cpi->av_per_frame_bandwidth); + } else { + q = vp9_regulate_q(cpi, cpi->this_frame_target); + } + if (q > *top_index) + q = *top_index; + } + + return q; +} +static void encode_frame_to_data_rate(VP9_COMP *cpi, + unsigned long *size, + unsigned char *dest, + unsigned int *frame_flags) { + VP9_COMMON *const cm = &cpi->common; + 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 *const sf = &cpi->sf; + unsigned int max_mv_def = MIN(cpi->common.width, cpi->common.height); + struct segmentation *const seg = &cm->seg; + + /* 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 we must set it here. + if (cpi->refresh_alt_ref_frame) { + // Set a per frame bit target for the alt ref frame. + cpi->per_frame_bandwidth = cpi->twopass.gf_bits; + // Set a 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; + cpi->zbin_mode_boost_enabled = 0; + + // Current default encoder behavior 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))) { + // Set frame type to key frame for the force key frame, if we exceed the + // maximum distance in an automatic keyframe selection or for the 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 (frame_is_intra_only(&cpi->common)) { + // 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 (frame_is_intra_only(cm)) { + vp9_setup_key_frame(cpi); + // 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; + + 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; + } else if (cm->intra_only) { + // Only reset the current context. + cm->reset_frame_context = 2; + } + } + + // Configure experimental use of segmentation for enhanced coding of + // static regions if indicated. + // Only allowed 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(); + + q = pick_q_and_adjust_q_bounds(cpi, &bottom_index, &top_index); + + q_high = top_index; + q_low = bottom_index; + + 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) && + cpi->oxcf.end_usage != USAGE_CONSTANT_QUALITY) { + 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 + vp9_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); + } +#endif + + loop_count = 0; + vp9_zero(cpi->rd_tx_select_threshes); + + if (!frame_is_intra_only(cm)) { + cm->mcomp_filter_type = DEFAULT_INTERP_FILTER; + /* TODO: Decide this more intelligently */ + cm->allow_high_precision_mv = q < HIGH_PRECISION_MV_QTHRESH; + set_mvcost(cpi); + } + +#if CONFIG_VP9_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 + + do { + vp9_clear_system_state(); // __asm emms; + + vp9_set_quantizer(cpi, q); + + if (loop_count == 0) { + // Set up entropy context depending on frame type. The decoder mandates + // the use of the default context, index 0, for keyframes and inter + // frames where the error_resilient_mode or intra_only flag is set. For + // other inter-frames the encoder currently uses only two contexts; + // context 1 for ALTREF frames and context 0 for the others. + if (cm->frame_type == KEY_FRAME) { + vp9_setup_key_frame(cpi); + } else { + if (!cm->intra_only && !cm->error_resilient_mode) { + cpi->common.frame_context_idx = cpi->refresh_alt_ref_frame; + } + vp9_setup_inter_frame(cpi); + } + } + + if (cpi->oxcf.aq_mode == VARIANCE_AQ) { + vp9_vaq_frame_setup(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; + + if (cpi->oxcf.end_usage == USAGE_CONSTANT_QUALITY) { + loop = 0; + } else { + // 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, get_frame_new_buffer(cm)); + + 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; + } else if (recode_loop_test( + cpi, frame_over_shoot_limit, frame_under_shoot_limit, + q, top_index, bottom_index)) { + // Is the projected frame size out of range and are we allowed + // to attempt to recode. + 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) { + 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, get_frame_new_buffer(cm)); + } + + if (cm->frame_type == KEY_FRAME) + cpi->refresh_last_frame = 1; + + cm->frame_to_show = get_frame_new_buffer(cm); + +#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 (!frame_is_intra_only(&cpi->common)) { + 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->common.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; + + // Post encode loop adjustment of Q prediction. + if (!active_worst_qchanged) + vp9_update_rate_correction_factors(cpi, (cpi->sf.recode_loop || + cpi->oxcf.end_usage == USAGE_STREAM_FROM_SERVER) ? 2 : 0); + + + 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; + +#ifndef DISABLE_RC_LONG_TERM_MEM + // 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); + } +#endif + +#if 0 + output_frame_level_debug_stats(cpi); +#endif + 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; + MODE_INFO **temp2 = cm->prev_mi_grid_base; + cm->prev_mip = cm->mip; + cm->mip = temp; + cm->prev_mi_grid_base = cm->mi_grid_base; + cm->mi_grid_base = temp2; + + // update the upper left visible macroblock ptrs + cm->mi = cm->mip + cm->mode_info_stride + 1; + cm->mi_grid_visible = cm->mi_grid_base + cm->mode_info_stride + 1; + + cpi->mb.e_mbd.mi_8x8 = cm->mi_grid_visible; + cpi->mb.e_mbd.mi_8x8[0] = cm->mi; + + // 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; + cm->prev_mi_grid_visible = cm->prev_mi_grid_base + cm->mode_info_stride + 1; +} + +static void Pass2Encode(VP9_COMP *cpi, unsigned long *size, + unsigned char *dest, unsigned int *frame_flags) { + cpi->enable_encode_breakout = 1; + + 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); + } +} + +static void check_initial_width(VP9_COMP *cpi, YV12_BUFFER_CONFIG *sd) { + VP9_COMMON *cm = &cpi->common; + if (!cpi->initial_width) { + // TODO(jkoleszar): Support 1/4 subsampling? + cm->subsampling_x = (sd != NULL) && sd->uv_width < sd->y_width; + cm->subsampling_y = (sd != NULL) && sd->uv_height < sd->y_height; + alloc_raw_frame_buffers(cpi); + + cpi->initial_width = cm->width; + cpi->initial_height = cm->height; + } +} + + +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; + struct vpx_usec_timer timer; + int res = 0; + + check_initial_width(cpi, sd); + 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->common.allow_high_precision_mv = ALTREF_HIGH_PRECISION_MV; + set_mvcost(cpi); + + // 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; + 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; + cm->intra_only = 0; + +#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(get_frame_new_buffer(cm), + 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->oxcf.aq_mode == VARIANCE_AQ) { + vp9_vaq_init(); + } + + 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_VP9_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_VP9_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_VP9_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_set_size_literal(VP9_PTR comp, unsigned int width, + unsigned int height) { + VP9_COMP *cpi = (VP9_COMP *)comp; + VP9_COMMON *cm = &cpi->common; + + check_initial_width(cpi, NULL); + + if (width) { + cm->width = width; + if (cm->width * 5 < cpi->initial_width) { + cm->width = cpi->initial_width / 5 + 1; + printf("Warning: Desired width too small, changed to %d \n", cm->width); + } + if (cm->width > cpi->initial_width) { + cm->width = cpi->initial_width; + printf("Warning: Desired width too large, changed to %d \n", cm->width); + } + } + + if (height) { + cm->height = height; + if (cm->height * 5 < cpi->initial_height) { + cm->height = cpi->initial_height / 5 + 1; + printf("Warning: Desired height too small, changed to %d \n", cm->height); + } + if (cm->height > cpi->initial_height) { + cm->height = cpi->initial_height; + printf("Warning: Desired height too large, changed to %d \n", cm->height); + } + } + + assert(cm->width <= cpi->initial_width); + assert(cm->height <= cpi->initial_height); + update_frame_size(cpi); + return 0; +} + +void vp9_set_svc(VP9_PTR comp, int use_svc) { + VP9_COMP *cpi = (VP9_COMP *)comp; + cpi->use_svc = use_svc; + return; +} + +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; +}