| /* |
| * 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 <math.h> |
| #include <stdio.h> |
| #include <limits.h> |
| |
| #include "./vpx_config.h" |
| #include "./vpx_scale_rtcd.h" |
| #include "vpx/internal/vpx_psnr.h" |
| #include "vpx_ports/vpx_timer.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_aq_complexity.h" |
| #include "vp9/encoder/vp9_aq_cyclicrefresh.h" |
| #include "vp9/encoder/vp9_aq_variance.h" |
| #include "vp9/encoder/vp9_bitstream.h" |
| #include "vp9/encoder/vp9_context_tree.h" |
| #include "vp9/encoder/vp9_encodeframe.h" |
| #include "vp9/encoder/vp9_encodemv.h" |
| #include "vp9/encoder/vp9_firstpass.h" |
| #include "vp9/encoder/vp9_mbgraph.h" |
| #include "vp9/encoder/vp9_encoder.h" |
| #include "vp9/encoder/vp9_picklpf.h" |
| #include "vp9/encoder/vp9_ratectrl.h" |
| #include "vp9/encoder/vp9_rd.h" |
| #include "vp9/encoder/vp9_segmentation.h" |
| #include "vp9/encoder/vp9_speed_features.h" |
| #if CONFIG_INTERNAL_STATS |
| #include "vp9/encoder/vp9_ssim.h" |
| #endif |
| #include "vp9/encoder/vp9_temporal_filter.h" |
| #include "vp9/encoder/vp9_resize.h" |
| #include "vp9/encoder/vp9_svc_layercontext.h" |
| |
| void vp9_coef_tree_initialize(); |
| |
| #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. |
| |
| // #define OUTPUT_YUV_REC |
| |
| #ifdef OUTPUT_YUV_DENOISED |
| FILE *yuv_denoised_file = NULL; |
| #endif |
| #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 |
| |
| static INLINE void Scale2Ratio(VPX_SCALING 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; |
| } |
| } |
| |
| void vp9_set_high_precision_mv(VP9_COMP *cpi, int allow_high_precision_mv) { |
| MACROBLOCK *const mb = &cpi->mb; |
| cpi->common.allow_high_precision_mv = allow_high_precision_mv; |
| 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; |
| } |
| } |
| |
| static void setup_frame(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| // 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 (frame_is_intra_only(cm) || cm->error_resilient_mode) { |
| vp9_setup_past_independence(cm); |
| } else { |
| if (!cpi->use_svc) |
| cm->frame_context_idx = cpi->refresh_alt_ref_frame; |
| } |
| |
| if (cm->frame_type == KEY_FRAME) { |
| cpi->refresh_golden_frame = 1; |
| cpi->refresh_alt_ref_frame = 1; |
| } else { |
| cm->fc = cm->frame_contexts[cm->frame_context_idx]; |
| } |
| } |
| |
| void vp9_initialize_enc() { |
| static int init_done = 0; |
| |
| if (!init_done) { |
| vp9_init_neighbors(); |
| vp9_coef_tree_initialize(); |
| vp9_tokenize_initialize(); |
| vp9_init_me_luts(); |
| vp9_rc_init_minq_luts(); |
| vp9_entropy_mv_init(); |
| vp9_entropy_mode_init(); |
| vp9_temporal_filter_init(); |
| init_done = 1; |
| } |
| } |
| |
| static void dealloc_compressor_data(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| int i; |
| |
| // Delete sementation map |
| vpx_free(cpi->segmentation_map); |
| cpi->segmentation_map = NULL; |
| vpx_free(cm->last_frame_seg_map); |
| cm->last_frame_seg_map = NULL; |
| vpx_free(cpi->coding_context.last_frame_seg_map_copy); |
| cpi->coding_context.last_frame_seg_map_copy = NULL; |
| |
| vpx_free(cpi->complexity_map); |
| cpi->complexity_map = NULL; |
| |
| vp9_cyclic_refresh_free(cpi->cyclic_refresh); |
| cpi->cyclic_refresh = NULL; |
| |
| vp9_free_frame_buffers(cm); |
| vp9_free_context_buffers(cm); |
| |
| vp9_free_frame_buffer(&cpi->last_frame_uf); |
| vp9_free_frame_buffer(&cpi->scaled_source); |
| vp9_free_frame_buffer(&cpi->scaled_last_source); |
| vp9_free_frame_buffer(&cpi->alt_ref_buffer); |
| vp9_lookahead_destroy(cpi->lookahead); |
| |
| vpx_free(cpi->tok); |
| cpi->tok = 0; |
| |
| vp9_free_pc_tree(cpi); |
| |
| for (i = 0; i < cpi->svc.number_spatial_layers; ++i) { |
| LAYER_CONTEXT *const lc = &cpi->svc.layer_context[i]; |
| vpx_free(lc->rc_twopass_stats_in.buf); |
| lc->rc_twopass_stats_in.buf = NULL; |
| lc->rc_twopass_stats_in.sz = 0; |
| } |
| |
| if (cpi->source_diff_var != NULL) { |
| vpx_free(cpi->source_diff_var); |
| cpi->source_diff_var = NULL; |
| } |
| |
| for (i = 0; i < MAX_LAG_BUFFERS; ++i) { |
| vp9_free_frame_buffer(&cpi->svc.scaled_frames[i]); |
| } |
| vpx_memset(&cpi->svc.scaled_frames[0], 0, |
| MAX_LAG_BUFFERS * sizeof(cpi->svc.scaled_frames[0])); |
| } |
| |
| static void save_coding_context(VP9_COMP *cpi) { |
| CODING_CONTEXT *const cc = &cpi->coding_context; |
| VP9_COMMON *cm = &cpi->common; |
| |
| // Stores a snapshot of key state variables which can subsequently be |
| // restored with a call to vp9_restore_coding_context. These functions are |
| // intended for use in a re-code loop in vp9_compress_frame where the |
| // quantizer value is adjusted between loop iterations. |
| vp9_copy(cc->nmvjointcost, cpi->mb.nmvjointcost); |
| vp9_copy(cc->nmvcosts, cpi->mb.nmvcosts); |
| vp9_copy(cc->nmvcosts_hp, cpi->mb.nmvcosts_hp); |
| |
| vp9_copy(cc->segment_pred_probs, cm->seg.pred_probs); |
| |
| vpx_memcpy(cpi->coding_context.last_frame_seg_map_copy, |
| cm->last_frame_seg_map, (cm->mi_rows * cm->mi_cols)); |
| |
| vp9_copy(cc->last_ref_lf_deltas, cm->lf.last_ref_deltas); |
| vp9_copy(cc->last_mode_lf_deltas, cm->lf.last_mode_deltas); |
| |
| cc->fc = cm->fc; |
| } |
| |
| static void restore_coding_context(VP9_COMP *cpi) { |
| CODING_CONTEXT *const cc = &cpi->coding_context; |
| VP9_COMMON *cm = &cpi->common; |
| |
| // Restore key state variables to the snapshot state stored in the |
| // previous call to vp9_save_coding_context. |
| vp9_copy(cpi->mb.nmvjointcost, cc->nmvjointcost); |
| vp9_copy(cpi->mb.nmvcosts, cc->nmvcosts); |
| vp9_copy(cpi->mb.nmvcosts_hp, cc->nmvcosts_hp); |
| |
| vp9_copy(cm->seg.pred_probs, cc->segment_pred_probs); |
| |
| vpx_memcpy(cm->last_frame_seg_map, |
| cpi->coding_context.last_frame_seg_map_copy, |
| (cm->mi_rows * cm->mi_cols)); |
| |
| vp9_copy(cm->lf.last_ref_deltas, cc->last_ref_lf_deltas); |
| vp9_copy(cm->lf.last_mode_deltas, cc->last_mode_lf_deltas); |
| |
| cm->fc = cc->fc; |
| } |
| |
| static void configure_static_seg_features(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| const RATE_CONTROL *const rc = &cpi->rc; |
| struct segmentation *const seg = &cm->seg; |
| |
| int high_q = (int)(rc->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(seg); |
| |
| // 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(seg); |
| 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(rc, rc->avg_q, rc->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 (rc->frames_since_golden == 0) { |
| // Set up segment features for normal frames in an arf group |
| if (rc->source_alt_ref_active) { |
| seg->update_map = 0; |
| seg->update_data = 1; |
| seg->abs_delta = SEGMENT_DELTADATA; |
| |
| qi_delta = vp9_compute_qdelta(rc, rc->avg_q, rc->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(seg); |
| |
| 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 (rc->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; |
| } |
| } |
| } |
| |
| static void update_reference_segmentation_map(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| MODE_INFO **mi_8x8_ptr = cm->mi_grid_visible; |
| uint8_t *cache_ptr = cm->last_frame_seg_map; |
| int row, col; |
| |
| for (row = 0; row < cm->mi_rows; row++) { |
| MODE_INFO **mi_8x8 = mi_8x8_ptr; |
| uint8_t *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->mi_stride; |
| cache_ptr += cm->mi_cols; |
| } |
| } |
| |
| |
| static void set_speed_features(VP9_COMP *cpi) { |
| #if CONFIG_INTERNAL_STATS |
| int i; |
| for (i = 0; i < MAX_MODES; ++i) |
| cpi->mode_chosen_counts[i] = 0; |
| #endif |
| |
| vp9_set_speed_features(cpi); |
| |
| // Set rd thresholds based on mode and speed setting |
| vp9_set_rd_speed_thresholds(cpi); |
| vp9_set_rd_speed_thresholds_sub8x8(cpi); |
| } |
| |
| static void alloc_raw_frame_buffers(VP9_COMP *cpi) { |
| VP9_COMMON *cm = &cpi->common; |
| const VP9EncoderConfig *oxcf = &cpi->oxcf; |
| |
| cpi->lookahead = vp9_lookahead_init(oxcf->width, oxcf->height, |
| cm->subsampling_x, cm->subsampling_y, |
| oxcf->lag_in_frames); |
| if (!cpi->lookahead) |
| vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate lag buffers"); |
| |
| if (vp9_realloc_frame_buffer(&cpi->alt_ref_buffer, |
| oxcf->width, oxcf->height, |
| cm->subsampling_x, cm->subsampling_y, |
| VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL)) |
| vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate altref buffer"); |
| } |
| |
| static void alloc_ref_frame_buffers(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| if (vp9_alloc_frame_buffers(cm, cm->width, cm->height)) |
| vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate frame buffers"); |
| } |
| |
| static void alloc_util_frame_buffers(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| if (vp9_realloc_frame_buffer(&cpi->last_frame_uf, |
| cm->width, cm->height, |
| cm->subsampling_x, cm->subsampling_y, |
| VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL)) |
| vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate last frame buffer"); |
| |
| if (vp9_realloc_frame_buffer(&cpi->scaled_source, |
| cm->width, cm->height, |
| cm->subsampling_x, cm->subsampling_y, |
| VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL)) |
| vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate scaled source buffer"); |
| |
| if (vp9_realloc_frame_buffer(&cpi->scaled_last_source, |
| cm->width, cm->height, |
| cm->subsampling_x, cm->subsampling_y, |
| VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL)) |
| vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, |
| "Failed to allocate scaled last source buffer"); |
| } |
| |
| void vp9_alloc_compressor_data(VP9_COMP *cpi) { |
| VP9_COMMON *cm = &cpi->common; |
| |
| vp9_alloc_context_buffers(cm, cm->width, cm->height); |
| |
| 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))); |
| } |
| |
| vp9_setup_pc_tree(&cpi->common, cpi); |
| } |
| |
| static void update_frame_size(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| MACROBLOCKD *const xd = &cpi->mb.e_mbd; |
| vp9_update_frame_size(cm); |
| init_macroblockd(cm, xd); |
| |
| if (cpi->use_svc && cpi->svc.number_temporal_layers == 1) { |
| if (vp9_realloc_frame_buffer(&cpi->alt_ref_buffer, |
| cm->width, cm->height, |
| cm->subsampling_x, cm->subsampling_y, |
| VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL)) |
| vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR, |
| "Failed to reallocate alt_ref_buffer"); |
| } |
| } |
| |
| void vp9_new_framerate(VP9_COMP *cpi, double framerate) { |
| cpi->oxcf.framerate = framerate < 0.1 ? 30 : framerate; |
| vp9_rc_update_framerate(cpi); |
| } |
| |
| int64_t vp9_rescale(int64_t 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_buffer_indices(VP9_COMP *cpi) { |
| cpi->lst_fb_idx = 0; |
| cpi->gld_fb_idx = 1; |
| cpi->alt_fb_idx = 2; |
| } |
| |
| static void init_config(struct VP9_COMP *cpi, VP9EncoderConfig *oxcf) { |
| VP9_COMMON *const cm = &cpi->common; |
| |
| cpi->oxcf = *oxcf; |
| |
| cm->profile = oxcf->profile; |
| cm->bit_depth = oxcf->bit_depth; |
| |
| cm->width = oxcf->width; |
| cm->height = oxcf->height; |
| vp9_alloc_compressor_data(cpi); |
| |
| // Spatial scalability. |
| cpi->svc.number_spatial_layers = oxcf->ss_number_layers; |
| // Temporal scalability. |
| cpi->svc.number_temporal_layers = oxcf->ts_number_layers; |
| |
| if ((cpi->svc.number_temporal_layers > 1 && |
| cpi->oxcf.rc_mode == VPX_CBR) || |
| (cpi->svc.number_spatial_layers > 1 && |
| cpi->oxcf.mode == TWO_PASS_SECOND_BEST)) { |
| vp9_init_layer_context(cpi); |
| } |
| |
| // change includes all joint functionality |
| vp9_change_config(cpi, oxcf); |
| |
| cpi->static_mb_pct = 0; |
| cpi->ref_frame_flags = 0; |
| |
| init_buffer_indices(cpi); |
| |
| set_tile_limits(cpi); |
| } |
| |
| static int get_pass(MODE mode) { |
| switch (mode) { |
| case REALTIME: |
| case ONE_PASS_GOOD: |
| case ONE_PASS_BEST: |
| return 0; |
| |
| case TWO_PASS_FIRST: |
| return 1; |
| |
| case TWO_PASS_SECOND_GOOD: |
| case TWO_PASS_SECOND_BEST: |
| return 2; |
| } |
| return -1; |
| } |
| |
| void vp9_change_config(struct VP9_COMP *cpi, const VP9EncoderConfig *oxcf) { |
| VP9_COMMON *const cm = &cpi->common; |
| RATE_CONTROL *const rc = &cpi->rc; |
| |
| if (cm->profile != oxcf->profile) |
| cm->profile = oxcf->profile; |
| cm->bit_depth = oxcf->bit_depth; |
| |
| if (cm->profile <= PROFILE_1) |
| assert(cm->bit_depth == BITS_8); |
| else |
| assert(cm->bit_depth > BITS_8); |
| |
| cpi->oxcf = *oxcf; |
| cpi->pass = get_pass(cpi->oxcf.mode); |
| |
| rc->baseline_gf_interval = DEFAULT_GF_INTERVAL; |
| |
| cpi->refresh_golden_frame = 0; |
| cpi->refresh_last_frame = 1; |
| cm->refresh_frame_context = 1; |
| cm->reset_frame_context = 0; |
| |
| vp9_reset_segment_features(&cm->seg); |
| vp9_set_high_precision_mv(cpi, 0); |
| |
| { |
| int i; |
| |
| for (i = 0; i < MAX_SEGMENTS; i++) |
| cpi->segment_encode_breakout[i] = cpi->oxcf.encode_breakout; |
| } |
| cpi->encode_breakout = cpi->oxcf.encode_breakout; |
| |
| // local file playback mode == really big buffer |
| if (cpi->oxcf.rc_mode == VPX_VBR) { |
| cpi->oxcf.starting_buffer_level_ms = 60000; |
| cpi->oxcf.optimal_buffer_level_ms = 60000; |
| cpi->oxcf.maximum_buffer_size_ms = 240000; |
| } |
| |
| rc->starting_buffer_level = vp9_rescale(cpi->oxcf.starting_buffer_level_ms, |
| cpi->oxcf.target_bandwidth, 1000); |
| |
| // Set or reset optimal and maximum buffer levels. |
| if (cpi->oxcf.optimal_buffer_level_ms == 0) |
| rc->optimal_buffer_level = cpi->oxcf.target_bandwidth / 8; |
| else |
| rc->optimal_buffer_level = vp9_rescale(cpi->oxcf.optimal_buffer_level_ms, |
| cpi->oxcf.target_bandwidth, 1000); |
| |
| if (cpi->oxcf.maximum_buffer_size_ms == 0) |
| rc->maximum_buffer_size = cpi->oxcf.target_bandwidth / 8; |
| else |
| rc->maximum_buffer_size = vp9_rescale(cpi->oxcf.maximum_buffer_size_ms, |
| cpi->oxcf.target_bandwidth, 1000); |
| // Under a configuration change, where maximum_buffer_size may change, |
| // keep buffer level clipped to the maximum allowed buffer size. |
| rc->bits_off_target = MIN(rc->bits_off_target, rc->maximum_buffer_size); |
| rc->buffer_level = MIN(rc->buffer_level, rc->maximum_buffer_size); |
| |
| // Set up frame rate and related parameters rate control values. |
| vp9_new_framerate(cpi, cpi->oxcf.framerate); |
| |
| // Set absolute upper and lower quality limits |
| rc->worst_quality = cpi->oxcf.worst_allowed_q; |
| rc->best_quality = cpi->oxcf.best_allowed_q; |
| |
| cm->interp_filter = cpi->sf.default_interp_filter; |
| |
| cm->display_width = cpi->oxcf.width; |
| cm->display_height = cpi->oxcf.height; |
| |
| if (cpi->initial_width) { |
| // Increasing the size of the frame beyond the first seen frame, or some |
| // otherwise signaled 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->svc.number_temporal_layers > 1 && |
| cpi->oxcf.rc_mode == VPX_CBR) || |
| (cpi->svc.number_spatial_layers > 1 && cpi->pass == 2)) { |
| vp9_update_layer_context_change_config(cpi, |
| (int)cpi->oxcf.target_bandwidth); |
| } |
| |
| cpi->alt_ref_source = NULL; |
| rc->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); |
| |
| cpi->ext_refresh_frame_flags_pending = 0; |
| cpi->ext_refresh_frame_context_pending = 0; |
| |
| #if CONFIG_DENOISING |
| if (cpi->oxcf.noise_sensitivity > 0) { |
| vp9_denoiser_alloc(&(cpi->denoiser), cm->width, cm->height, |
| cm->subsampling_x, cm->subsampling_y, |
| VP9_ENC_BORDER_IN_PIXELS); |
| } |
| #endif |
| } |
| |
| #ifndef M_LOG2_E |
| #define M_LOG2_E 0.693147180559945309417 |
| #endif |
| #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[3] = 300; |
| } |
| |
| static void cal_nmvsadcosts(int *mvsadcost[2]) { |
| int i = 1; |
| |
| mvsadcost[0][0] = 0; |
| mvsadcost[1][0] = 0; |
| |
| do { |
| double z = 256 * (2 * (log2f(8 * i) + .6)); |
| mvsadcost[0][i] = (int)z; |
| mvsadcost[1][i] = (int)z; |
| mvsadcost[0][-i] = (int)z; |
| mvsadcost[1][-i] = (int)z; |
| } while (++i <= MV_MAX); |
| } |
| |
| static void cal_nmvsadcosts_hp(int *mvsadcost[2]) { |
| int i = 1; |
| |
| mvsadcost[0][0] = 0; |
| mvsadcost[1][0] = 0; |
| |
| do { |
| double z = 256 * (2 * (log2f(8 * i) + .6)); |
| mvsadcost[0][i] = (int)z; |
| mvsadcost[1][i] = (int)z; |
| mvsadcost[0][-i] = (int)z; |
| mvsadcost[1][-i] = (int)z; |
| } while (++i <= MV_MAX); |
| } |
| |
| |
| VP9_COMP *vp9_create_compressor(VP9EncoderConfig *oxcf) { |
| unsigned int i, j; |
| VP9_COMP *const cpi = vpx_memalign(32, sizeof(VP9_COMP)); |
| VP9_COMMON *const cm = cpi != NULL ? &cpi->common : NULL; |
| |
| if (!cm) |
| return NULL; |
| |
| vp9_zero(*cpi); |
| |
| if (setjmp(cm->error.jmp)) { |
| cm->error.setjmp = 0; |
| vp9_remove_compressor(cpi); |
| return 0; |
| } |
| |
| cm->error.setjmp = 1; |
| |
| vp9_rtcd(); |
| |
| cpi->use_svc = 0; |
| |
| init_config(cpi, oxcf); |
| vp9_rc_init(&cpi->oxcf, cpi->pass, &cpi->rc); |
| |
| cm->current_video_frame = 0; |
| |
| cpi->gold_is_last = 0; |
| cpi->alt_is_last = 0; |
| cpi->gold_is_alt = 0; |
| |
| cpi->skippable_frame = 0; |
| |
| // Create the encoder segmentation map and set all entries to 0 |
| CHECK_MEM_ERROR(cm, cpi->segmentation_map, |
| vpx_calloc(cm->mi_rows * cm->mi_cols, 1)); |
| |
| // Create a complexity map used for rd adjustment |
| CHECK_MEM_ERROR(cm, cpi->complexity_map, |
| vpx_calloc(cm->mi_rows * cm->mi_cols, 1)); |
| |
| // Create a map used for cyclic background refresh. |
| CHECK_MEM_ERROR(cm, cpi->cyclic_refresh, |
| vp9_cyclic_refresh_alloc(cm->mi_rows, cm->mi_cols)); |
| |
| // 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)); |
| |
| 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)); |
| } |
| |
| #if CONFIG_FP_MB_STATS |
| cpi->use_fp_mb_stats = 0; |
| if (cpi->use_fp_mb_stats) { |
| // a place holder used to store the first pass mb stats in the first pass |
| CHECK_MEM_ERROR(cm, cpi->twopass.frame_mb_stats_buf, |
| vpx_calloc(cm->MBs * sizeof(uint8_t), 1)); |
| } else { |
| cpi->twopass.frame_mb_stats_buf = NULL; |
| } |
| #endif |
| |
| cpi->refresh_alt_ref_frame = 0; |
| |
| // Note that at the moment multi_arf will not work with svc. |
| // For the current check in all the execution paths are defaulted to 0 |
| // pending further tuning and testing. The code is left in place here |
| // as a place holder in regard to the required paths. |
| cpi->multi_arf_last_grp_enabled = 0; |
| if (cpi->pass == 2) { |
| if (cpi->use_svc) { |
| cpi->multi_arf_allowed = 0; |
| cpi->multi_arf_enabled = 0; |
| } else { |
| // Disable by default for now. |
| cpi->multi_arf_allowed = 0; |
| cpi->multi_arf_enabled = 0; |
| } |
| } else { |
| cpi->multi_arf_allowed = 0; |
| cpi->multi_arf_enabled = 0; |
| } |
| |
| 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_y = 0.0; |
| cpi->total_u = 0.0; |
| cpi->total_v = 0.0; |
| cpi->total = 0.0; |
| cpi->total_sq_error = 0; |
| cpi->total_samples = 0; |
| |
| cpi->totalp_y = 0.0; |
| cpi->totalp_u = 0.0; |
| cpi->totalp_v = 0.0; |
| cpi->totalp = 0.0; |
| cpi->totalp_sq_error = 0; |
| cpi->totalp_samples = 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; |
| |
| 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); |
| |
| #if CONFIG_DENOISING |
| #ifdef OUTPUT_YUV_DENOISED |
| yuv_denoised_file = fopen("denoised.yuv", "ab"); |
| #endif |
| #endif |
| #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->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED; |
| |
| if (cpi->pass == 1) { |
| vp9_init_first_pass(cpi); |
| } else if (cpi->pass == 2) { |
| const size_t packet_sz = sizeof(FIRSTPASS_STATS); |
| const int packets = (int)(oxcf->two_pass_stats_in.sz / packet_sz); |
| |
| if (cpi->svc.number_spatial_layers > 1 |
| && cpi->svc.number_temporal_layers == 1) { |
| FIRSTPASS_STATS *const stats = oxcf->two_pass_stats_in.buf; |
| FIRSTPASS_STATS *stats_copy[VPX_SS_MAX_LAYERS] = {0}; |
| int i; |
| |
| for (i = 0; i < oxcf->ss_number_layers; ++i) { |
| FIRSTPASS_STATS *const last_packet_for_layer = |
| &stats[packets - oxcf->ss_number_layers + i]; |
| const int layer_id = (int)last_packet_for_layer->spatial_layer_id; |
| const int packets_in_layer = (int)last_packet_for_layer->count + 1; |
| if (layer_id >= 0 && layer_id < oxcf->ss_number_layers) { |
| LAYER_CONTEXT *const lc = &cpi->svc.layer_context[layer_id]; |
| |
| vpx_free(lc->rc_twopass_stats_in.buf); |
| |
| lc->rc_twopass_stats_in.sz = packets_in_layer * packet_sz; |
| CHECK_MEM_ERROR(cm, lc->rc_twopass_stats_in.buf, |
| vpx_malloc(lc->rc_twopass_stats_in.sz)); |
| lc->twopass.stats_in_start = lc->rc_twopass_stats_in.buf; |
| lc->twopass.stats_in = lc->twopass.stats_in_start; |
| lc->twopass.stats_in_end = lc->twopass.stats_in_start |
| + packets_in_layer - 1; |
| stats_copy[layer_id] = lc->rc_twopass_stats_in.buf; |
| } |
| } |
| |
| for (i = 0; i < packets; ++i) { |
| const int layer_id = (int)stats[i].spatial_layer_id; |
| if (layer_id >= 0 && layer_id < oxcf->ss_number_layers |
| && stats_copy[layer_id] != NULL) { |
| *stats_copy[layer_id] = stats[i]; |
| ++stats_copy[layer_id]; |
| } |
| } |
| |
| vp9_init_second_pass_spatial_svc(cpi); |
| } else { |
| #if CONFIG_FP_MB_STATS |
| if (cpi->use_fp_mb_stats) { |
| const size_t psz = cpi->common.MBs * sizeof(uint8_t); |
| const int ps = (int)(oxcf->firstpass_mb_stats_in.sz / psz); |
| |
| cpi->twopass.firstpass_mb_stats.mb_stats_start = |
| oxcf->firstpass_mb_stats_in.buf; |
| cpi->twopass.firstpass_mb_stats.mb_stats_in = |
| cpi->twopass.firstpass_mb_stats.mb_stats_start; |
| cpi->twopass.firstpass_mb_stats.mb_stats_end = |
| cpi->twopass.firstpass_mb_stats.mb_stats_start + |
| (ps - 1) * cpi->common.MBs * sizeof(uint8_t); |
| } |
| #endif |
| |
| 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 = &cpi->twopass.stats_in[packets - 1]; |
| |
| vp9_init_second_pass(cpi); |
| } |
| } |
| |
| set_speed_features(cpi); |
| |
| // Allocate memory to store variances for a frame. |
| CHECK_MEM_ERROR(cm, cpi->source_diff_var, |
| vpx_calloc(cm->MBs, sizeof(diff))); |
| cpi->source_var_thresh = 0; |
| cpi->frames_till_next_var_check = 0; |
| |
| // 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; |
| } |
| |
| #define BFP(BT, SDF, SDAF, VF, SVF, SVAF, 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].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, vp9_sad32x16x4d) |
| |
| BFP(BLOCK_16X32, vp9_sad16x32, vp9_sad16x32_avg, |
| vp9_variance16x32, vp9_sub_pixel_variance16x32, |
| vp9_sub_pixel_avg_variance16x32, 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, vp9_sad64x32x4d) |
| |
| BFP(BLOCK_32X64, vp9_sad32x64, vp9_sad32x64_avg, |
| vp9_variance32x64, vp9_sub_pixel_variance32x64, |
| vp9_sub_pixel_avg_variance32x64, NULL, NULL, vp9_sad32x64x4d) |
| |
| BFP(BLOCK_32X32, vp9_sad32x32, vp9_sad32x32_avg, |
| vp9_variance32x32, vp9_sub_pixel_variance32x32, |
| vp9_sub_pixel_avg_variance32x32, 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_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_sad16x16x3, vp9_sad16x16x8, |
| vp9_sad16x16x4d) |
| |
| BFP(BLOCK_16X8, vp9_sad16x8, vp9_sad16x8_avg, |
| vp9_variance16x8, vp9_sub_pixel_variance16x8, |
| vp9_sub_pixel_avg_variance16x8, |
| 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, |
| 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, |
| 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, vp9_sad8x4x8, vp9_sad8x4x4d) |
| |
| BFP(BLOCK_4X8, vp9_sad4x8, vp9_sad4x8_avg, |
| vp9_variance4x8, vp9_sub_pixel_variance4x8, |
| vp9_sub_pixel_avg_variance4x8, NULL, vp9_sad4x8x8, vp9_sad4x8x4d) |
| |
| BFP(BLOCK_4X4, vp9_sad4x4, vp9_sad4x4_avg, |
| vp9_variance4x4, vp9_sub_pixel_variance4x4, |
| vp9_sub_pixel_avg_variance4x4, |
| 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; |
| |
| /* 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); |
| |
| cm->error.setjmp = 0; |
| |
| return cpi; |
| } |
| |
| void vp9_remove_compressor(VP9_COMP *cpi) { |
| unsigned int i; |
| |
| if (!cpi) |
| return; |
| |
| if (cpi && (cpi->common.current_video_frame > 0)) { |
| #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) { |
| const double total_psnr = |
| vpx_sse_to_psnr((double)cpi->total_samples, 255.0, |
| (double)cpi->total_sq_error); |
| const double totalp_psnr = |
| vpx_sse_to_psnr((double)cpi->totalp_samples, 255.0, |
| (double)cpi->totalp_sq_error); |
| const double total_ssim = 100 * pow(cpi->summed_quality / |
| cpi->summed_weights, 8.0); |
| const double totalp_ssim = 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, totalp_psnr, total_ssim, totalp_ssim, |
| 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 |
| |
| #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 |
| } |
| |
| #if CONFIG_DENOISING |
| if (cpi->oxcf.noise_sensitivity > 0) { |
| vp9_denoiser_free(&(cpi->denoiser)); |
| } |
| #endif |
| |
| dealloc_compressor_data(cpi); |
| 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); |
| } |
| |
| #if CONFIG_FP_MB_STATS |
| if (cpi->use_fp_mb_stats) { |
| vpx_free(cpi->twopass.frame_mb_stats_buf); |
| cpi->twopass.frame_mb_stats_buf = NULL; |
| } |
| #endif |
| |
| vp9_remove_common(&cpi->common); |
| vpx_free(cpi); |
| |
| #if CONFIG_DENOISING |
| #ifdef OUTPUT_YUV_DENOISED |
| fclose(yuv_denoised_file); |
| #endif |
| #endif |
| #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 int64_t get_sse(const uint8_t *a, int a_stride, |
| const uint8_t *b, int b_stride, |
| int width, int height) { |
| const int dw = width % 16; |
| const int dh = height % 16; |
| int64_t total_sse = 0; |
| unsigned int sse = 0; |
| int sum = 0; |
| int x, y; |
| |
| if (dw > 0) { |
| variance(&a[width - dw], a_stride, &b[width - dw], b_stride, |
| dw, height, &sse, &sum); |
| total_sse += sse; |
| } |
| |
| if (dh > 0) { |
| variance(&a[(height - dh) * a_stride], a_stride, |
| &b[(height - dh) * b_stride], b_stride, |
| width - dw, dh, &sse, &sum); |
| total_sse += sse; |
| } |
| |
| for (y = 0; y < height / 16; ++y) { |
| const uint8_t *pa = a; |
| const uint8_t *pb = b; |
| for (x = 0; x < width / 16; ++x) { |
| vp9_mse16x16(pa, a_stride, pb, b_stride, &sse); |
| total_sse += sse; |
| |
| pa += 16; |
| pb += 16; |
| } |
| |
| a += 16 * a_stride; |
| b += 16 * b_stride; |
| } |
| |
| return total_sse; |
| } |
| |
| typedef struct { |
| double psnr[4]; // total/y/u/v |
| uint64_t sse[4]; // total/y/u/v |
| uint32_t samples[4]; // total/y/u/v |
| } PSNR_STATS; |
| |
| static void calc_psnr(const YV12_BUFFER_CONFIG *a, const YV12_BUFFER_CONFIG *b, |
| PSNR_STATS *psnr) { |
| const int widths[3] = {a->y_width, a->uv_width, a->uv_width }; |
| const int heights[3] = {a->y_height, a->uv_height, a->uv_height}; |
| const uint8_t *a_planes[3] = {a->y_buffer, a->u_buffer, a->v_buffer }; |
| const int a_strides[3] = {a->y_stride, a->uv_stride, a->uv_stride}; |
| const uint8_t *b_planes[3] = {b->y_buffer, b->u_buffer, b->v_buffer }; |
| const int b_strides[3] = {b->y_stride, b->uv_stride, b->uv_stride}; |
| int i; |
| uint64_t total_sse = 0; |
| uint32_t total_samples = 0; |
| |
| for (i = 0; i < 3; ++i) { |
| const int w = widths[i]; |
| const int h = heights[i]; |
| const uint32_t samples = w * h; |
| const uint64_t sse = get_sse(a_planes[i], a_strides[i], |
| b_planes[i], b_strides[i], |
| w, h); |
| psnr->sse[1 + i] = sse; |
| psnr->samples[1 + i] = samples; |
| psnr->psnr[1 + i] = vpx_sse_to_psnr(samples, 255.0, (double)sse); |
| |
| total_sse += sse; |
| total_samples += samples; |
| } |
| |
| psnr->sse[0] = total_sse; |
| psnr->samples[0] = total_samples; |
| psnr->psnr[0] = vpx_sse_to_psnr((double)total_samples, 255.0, |
| (double)total_sse); |
| } |
| |
| static void generate_psnr_packet(VP9_COMP *cpi) { |
| struct vpx_codec_cx_pkt pkt; |
| int i; |
| PSNR_STATS psnr; |
| calc_psnr(cpi->Source, cpi->common.frame_to_show, &psnr); |
| for (i = 0; i < 4; ++i) { |
| pkt.data.psnr.samples[i] = psnr.samples[i]; |
| pkt.data.psnr.sse[i] = psnr.sse[i]; |
| pkt.data.psnr.psnr[i] = psnr.psnr[i]; |
| } |
| pkt.kind = VPX_CODEC_PSNR_PKT; |
| vpx_codec_pkt_list_add(cpi->output_pkt_list, &pkt); |
| } |
| |
| int vp9_use_as_reference(VP9_COMP *cpi, int ref_frame_flags) { |
| if (ref_frame_flags > 7) |
| return -1; |
| |
| cpi->ref_frame_flags = ref_frame_flags; |
| return 0; |
| } |
| |
| void vp9_update_reference(VP9_COMP *cpi, int ref_frame_flags) { |
| cpi->ext_refresh_golden_frame = (ref_frame_flags & VP9_GOLD_FLAG) != 0; |
| cpi->ext_refresh_alt_ref_frame = (ref_frame_flags & VP9_ALT_FLAG) != 0; |
| cpi->ext_refresh_last_frame = (ref_frame_flags & VP9_LAST_FLAG) != 0; |
| cpi->ext_refresh_frame_flags_pending = 1; |
| } |
| |
| static YV12_BUFFER_CONFIG *get_vp9_ref_frame_buffer(VP9_COMP *cpi, |
| VP9_REFFRAME ref_frame_flag) { |
| MV_REFERENCE_FRAME ref_frame = NONE; |
| if (ref_frame_flag == VP9_LAST_FLAG) |
| ref_frame = LAST_FRAME; |
| else if (ref_frame_flag == VP9_GOLD_FLAG) |
| ref_frame = GOLDEN_FRAME; |
| else if (ref_frame_flag == VP9_ALT_FLAG) |
| ref_frame = ALTREF_FRAME; |
| |
| return ref_frame == NONE ? NULL : get_ref_frame_buffer(cpi, ref_frame); |
| } |
| |
| int vp9_copy_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag, |
| YV12_BUFFER_CONFIG *sd) { |
| YV12_BUFFER_CONFIG *cfg = get_vp9_ref_frame_buffer(cpi, ref_frame_flag); |
| if (cfg) { |
| vp8_yv12_copy_frame(cfg, sd); |
| return 0; |
| } else { |
| return -1; |
| } |
| } |
| |
| int vp9_get_reference_enc(VP9_COMP *cpi, int index, YV12_BUFFER_CONFIG **fb) { |
| VP9_COMMON *cm = &cpi->common; |
| |
| if (index < 0 || index >= REF_FRAMES) |
| return -1; |
| |
| *fb = &cm->frame_bufs[cm->ref_frame_map[index]].buf; |
| return 0; |
| } |
| |
| int vp9_set_reference_enc(VP9_COMP *cpi, VP9_REFFRAME ref_frame_flag, |
| YV12_BUFFER_CONFIG *sd) { |
| YV12_BUFFER_CONFIG *cfg = get_vp9_ref_frame_buffer(cpi, ref_frame_flag); |
| if (cfg) { |
| vp8_yv12_copy_frame(sd, cfg); |
| return 0; |
| } else { |
| return -1; |
| } |
| } |
| |
| int vp9_update_entropy(VP9_COMP * cpi, int update) { |
| cpi->ext_refresh_frame_context = update; |
| cpi->ext_refresh_frame_context_pending = 1; |
| return 0; |
| } |
| |
| |
| #if defined(OUTPUT_YUV_SRC) |
| void vp9_write_yuv_frame(YV12_BUFFER_CONFIG *s, FILE *f) { |
| uint8_t *src = s->y_buffer; |
| int h = s->y_height; |
| |
| do { |
| fwrite(src, s->y_width, 1, f); |
| src += s->y_stride; |
| } while (--h); |
| |
| src = s->u_buffer; |
| h = s->uv_height; |
| |
| do { |
| fwrite(src, s->uv_width, 1, f); |
| src += s->uv_stride; |
| } while (--h); |
| |
| src = s->v_buffer; |
| h = s->uv_height; |
| |
| do { |
| fwrite(src, s->uv_width, 1, f); |
| src += s->uv_stride; |
| } while (--h); |
| } |
| #endif |
| |
| #if CONFIG_DENOISING |
| #if defined(OUTPUT_YUV_DENOISED) |
| // The denoiser buffer is allocated as a YUV 440 buffer. This function writes it |
| // as YUV 420. We simply use the top-left pixels of the UV buffers, since we do |
| // not denoise the UV channels at this time. If ever we implement UV channel |
| // denoising we will have to modify this. |
| void vp9_write_yuv_frame_420(YV12_BUFFER_CONFIG *s, FILE *f) { |
| uint8_t *src = s->y_buffer; |
| int h = s->y_height; |
| |
| do { |
| fwrite(src, s->y_width, 1, f); |
| src += s->y_stride; |
| } while (--h); |
| |
| src = s->u_buffer; |
| h = s->uv_height / 2; |
| |
| do { |
| fwrite(src, s->uv_width / 2, 1, f); |
| src += s->uv_stride + s->uv_width / 2; |
| } while (--h); |
| |
| src = s->v_buffer; |
| h = s->uv_height / 2; |
| |
| do { |
| fwrite(src, s->uv_width / 2, 1, f); |
| src += s->uv_stride + s->uv_width / 2; |
| } while (--h); |
| } |
| #endif |
| #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_nonnormative(const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst) { |
| // TODO(dkovalev): replace YV12_BUFFER_CONFIG with vpx_image_t |
| int i; |
| const uint8_t *const srcs[4] = {src->y_buffer, src->u_buffer, src->v_buffer, |
| src->alpha_buffer}; |
| const int src_strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, |
| src->alpha_stride}; |
| const int src_widths[4] = {src->y_crop_width, src->uv_crop_width, |
| src->uv_crop_width, src->y_crop_width}; |
| const int src_heights[4] = {src->y_crop_height, src->uv_crop_height, |
| src->uv_crop_height, src->y_crop_height}; |
| uint8_t *const dsts[4] = {dst->y_buffer, dst->u_buffer, dst->v_buffer, |
| dst->alpha_buffer}; |
| const int dst_strides[4] = {dst->y_stride, dst->uv_stride, dst->uv_stride, |
| dst->alpha_stride}; |
| const int dst_widths[4] = {dst->y_crop_width, dst->uv_crop_width, |
| dst->uv_crop_width, dst->y_crop_width}; |
| const int dst_heights[4] = {dst->y_crop_height, dst->uv_crop_height, |
| dst->uv_crop_height, dst->y_crop_height}; |
| |
| for (i = 0; i < MAX_MB_PLANE; ++i) |
| vp9_resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i], |
| dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]); |
| |
| vp9_extend_frame_borders(dst); |
| } |
| |
| static void scale_and_extend_frame(const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst) { |
| const int src_w = src->y_crop_width; |
| const int src_h = src->y_crop_height; |
| const int dst_w = dst->y_crop_width; |
| const int dst_h = dst->y_crop_height; |
| const uint8_t *const srcs[4] = {src->y_buffer, src->u_buffer, src->v_buffer, |
| src->alpha_buffer}; |
| const int src_strides[4] = {src->y_stride, src->uv_stride, src->uv_stride, |
| src->alpha_stride}; |
| uint8_t *const dsts[4] = {dst->y_buffer, dst->u_buffer, dst->v_buffer, |
| dst->alpha_buffer}; |
| const int dst_strides[4] = {dst->y_stride, dst->uv_stride, dst->uv_stride, |
| dst->alpha_stride}; |
| const InterpKernel *const kernel = vp9_get_interp_kernel(EIGHTTAP); |
| int x, y, i; |
| |
| for (y = 0; y < dst_h; y += 16) { |
| for (x = 0; x < dst_w; x += 16) { |
| for (i = 0; i < MAX_MB_PLANE; ++i) { |
| const int factor = (i == 0 || i == 3 ? 1 : 2); |
| const int x_q4 = x * (16 / factor) * src_w / dst_w; |
| const int y_q4 = y * (16 / factor) * src_h / dst_h; |
| const int src_stride = src_strides[i]; |
| const int dst_stride = dst_strides[i]; |
| const uint8_t *src_ptr = srcs[i] + (y / factor) * src_h / dst_h * |
| src_stride + (x / factor) * src_w / dst_w; |
| uint8_t *dst_ptr = dsts[i] + (y / factor) * dst_stride + (x / factor); |
| |
| vp9_convolve8(src_ptr, src_stride, dst_ptr, dst_stride, |
| kernel[x_q4 & 0xf], 16 * src_w / dst_w, |
| kernel[y_q4 & 0xf], 16 * src_h / dst_h, |
| 16 / factor, 16 / factor); |
| } |
| } |
| } |
| |
| vp9_extend_frame_borders(dst); |
| } |
| |
| #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 |
| |
| // Function to test for conditions that indicate we should loop |
| // back and recode a frame. |
| static int recode_loop_test(const VP9_COMP *cpi, |
| int high_limit, int low_limit, |
| int q, int maxq, int minq) { |
| const VP9_COMMON *const cm = &cpi->common; |
| const RATE_CONTROL *const rc = &cpi->rc; |
| const VP9EncoderConfig *const oxcf = &cpi->oxcf; |
| int force_recode = 0; |
| |
| // Special case trap if maximum allowed frame size exceeded. |
| if (rc->projected_frame_size > rc->max_frame_bandwidth) { |
| force_recode = 1; |
| |
| // Is frame recode allowed. |
| // Yes if either recode mode 1 is selected or mode 2 is selected |
| // and the frame is a key frame, golden frame or alt_ref_frame |
| } else if ((cpi->sf.recode_loop == ALLOW_RECODE) || |
| ((cpi->sf.recode_loop == ALLOW_RECODE_KFARFGF) && |
| (cm->frame_type == KEY_FRAME || |
| cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame))) { |
| // General over and under shoot tests |
| if ((rc->projected_frame_size > high_limit && q < maxq) || |
| (rc->projected_frame_size < low_limit && q > minq)) { |
| force_recode = 1; |
| } else if (cpi->oxcf.rc_mode == VPX_CQ) { |
| // Deal with frame undershoot and whether or not we are |
| // below the automatically set cq level. |
| if (q > oxcf->cq_level && |
| rc->projected_frame_size < ((rc->this_frame_target * 7) >> 3)) { |
| force_recode = 1; |
| } |
| } |
| } |
| return force_recode; |
| } |
| |
| void vp9_update_reference_frames(VP9_COMP *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->frame_bufs, |
| &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx); |
| ref_cnt_fb(cm->frame_bufs, |
| &cm->ref_frame_map[cpi->alt_fb_idx], cm->new_fb_idx); |
| } else if (!cpi->multi_arf_allowed && cpi->refresh_golden_frame && |
| cpi->rc.is_src_frame_alt_ref && !cpi->use_svc) { |
| /* 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->frame_bufs, |
| &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 ((cpi->pass == 2) && cpi->multi_arf_allowed) { |
| const GF_GROUP *const gf_group = &cpi->twopass.gf_group; |
| arf_idx = gf_group->arf_update_idx[gf_group->index]; |
| } |
| |
| ref_cnt_fb(cm->frame_bufs, |
| &cm->ref_frame_map[arf_idx], cm->new_fb_idx); |
| } |
| |
| if (cpi->refresh_golden_frame) { |
| ref_cnt_fb(cm->frame_bufs, |
| &cm->ref_frame_map[cpi->gld_fb_idx], cm->new_fb_idx); |
| } |
| } |
| |
| if (cpi->refresh_last_frame) { |
| ref_cnt_fb(cm->frame_bufs, |
| &cm->ref_frame_map[cpi->lst_fb_idx], cm->new_fb_idx); |
| } |
| #if CONFIG_DENOISING |
| if (cpi->oxcf.noise_sensitivity > 0) { |
| vp9_denoiser_update_frame_info(&cpi->denoiser, |
| *cpi->Source, |
| cpi->common.frame_type, |
| cpi->refresh_alt_ref_frame, |
| cpi->refresh_golden_frame, |
| cpi->refresh_last_frame); |
| } |
| #endif |
| } |
| |
| 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.lpf_pick); |
| |
| vpx_usec_timer_mark(&timer); |
| cpi->time_pick_lpf += vpx_usec_timer_elapsed(&timer); |
| } |
| |
| if (lf->filter_level > 0) { |
| vp9_loop_filter_frame(cm->frame_to_show, cm, xd, lf->filter_level, 0, 0); |
| } |
| |
| vp9_extend_frame_inner_borders(cm->frame_to_show); |
| } |
| |
| void vp9_scale_references(VP9_COMP *cpi) { |
| VP9_COMMON *cm = &cpi->common; |
| MV_REFERENCE_FRAME ref_frame; |
| const VP9_REFFRAME ref_mask[3] = {VP9_LAST_FLAG, VP9_GOLD_FLAG, VP9_ALT_FLAG}; |
| |
| for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { |
| const int idx = cm->ref_frame_map[get_ref_frame_idx(cpi, ref_frame)]; |
| const YV12_BUFFER_CONFIG *const ref = &cm->frame_bufs[idx].buf; |
| |
| // Need to convert from VP9_REFFRAME to index into ref_mask (subtract 1). |
| if ((cpi->ref_frame_flags & ref_mask[ref_frame - 1]) && |
| (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height)) { |
| const int new_fb = get_free_fb(cm); |
| vp9_realloc_frame_buffer(&cm->frame_bufs[new_fb].buf, |
| cm->width, cm->height, |
| cm->subsampling_x, cm->subsampling_y, |
| VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL); |
| scale_and_extend_frame(ref, &cm->frame_bufs[new_fb].buf); |
| cpi->scaled_ref_idx[ref_frame - 1] = new_fb; |
| } else { |
| cpi->scaled_ref_idx[ref_frame - 1] = idx; |
| cm->frame_bufs[idx].ref_count++; |
| } |
| } |
| } |
| |
| static void release_scaled_references(VP9_COMP *cpi) { |
| VP9_COMMON *cm = &cpi->common; |
| int i; |
| |
| for (i = 0; i < 3; i++) |
| cm->frame_bufs[cpi->scaled_ref_idx[i]].ref_count--; |
| } |
| |
| 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 < EOB_TOKEN; ++n) |
| model_count[TWO_TOKEN] += full_count[n]; |
| model_count[EOB_MODEL_TOKEN] = full_count[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 < PLANE_TYPES; ++i) |
| for (j = 0; j < REF_TYPES; ++j) |
| for (k = 0; k < COEF_BANDS; ++k) |
| for (l = 0; l < BAND_COEFF_CONTEXTS(k); ++l) |
| 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(); |
| |
| recon_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm)); |
| |
| if (cpi->twopass.total_left_stats.coded_error != 0.0) |
| fprintf(f, "%10u %10d %10d %10d %10d" |
| "%10"PRId64" %10"PRId64" %10"PRId64" %10"PRId64" %10d " |
| "%7.2lf %7.2lf %7.2lf %7.2lf %7.2lf" |
| "%6d %6d %5d %5d %5d " |
| "%10"PRId64" %10.3lf" |
| "%10lf %8u %10d %10d %10d\n", |
| cpi->common.current_video_frame, cpi->rc.this_frame_target, |
| cpi->rc.projected_frame_size, |
| cpi->rc.projected_frame_size / cpi->common.MBs, |
| (cpi->rc.projected_frame_size - cpi->rc.this_frame_target), |
| cpi->rc.vbr_bits_off_target, |
| cpi->rc.total_target_vs_actual, |
| (cpi->rc.starting_buffer_level - cpi->rc.bits_off_target), |
| cpi->rc.total_actual_bits, cm->base_qindex, |
| vp9_convert_qindex_to_q(cm->base_qindex), |
| (double)vp9_dc_quant(cm->base_qindex, 0) / 4.0, |
| cpi->rc.avg_q, |
| vp9_convert_qindex_to_q(cpi->rc.ni_av_qi), |
| vp9_convert_qindex_to_q(cpi->oxcf.cq_level), |
| cpi->refresh_last_frame, cpi->refresh_golden_frame, |
| cpi->refresh_alt_ref_frame, cm->frame_type, cpi->rc.gfu_boost, |
| cpi->twopass.bits_left, |
| cpi->twopass.total_left_stats.coded_error, |
| cpi->twopass.bits_left / |
| (1 + cpi->twopass.total_left_stats.coded_error), |
| cpi->tot_recode_hits, recon_err, cpi->rc.kf_boost, |
| cpi->twopass.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]); |
| |
| fprintf(fmodes, "\n"); |
| |
| fclose(fmodes); |
| } |
| } |
| #endif |
| |
| static void encode_without_recode_loop(VP9_COMP *cpi, |
| int q) { |
| VP9_COMMON *const cm = &cpi->common; |
| vp9_clear_system_state(); |
| vp9_set_quantizer(cm, q); |
| setup_frame(cpi); |
| // Variance adaptive and in frame q adjustment experiments are mutually |
| // exclusive. |
| if (cpi->oxcf.aq_mode == VARIANCE_AQ) { |
| vp9_vaq_frame_setup(cpi); |
| } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) { |
| vp9_setup_in_frame_q_adj(cpi); |
| } else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) { |
| vp9_cyclic_refresh_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(); |
| } |
| |
| static void encode_with_recode_loop(VP9_COMP *cpi, |
| size_t *size, |
| uint8_t *dest, |
| int q, |
| int bottom_index, |
| int top_index) { |
| VP9_COMMON *const cm = &cpi->common; |
| RATE_CONTROL *const rc = &cpi->rc; |
| int loop_count = 0; |
| int loop = 0; |
| int overshoot_seen = 0; |
| int undershoot_seen = 0; |
| int q_low = bottom_index, q_high = top_index; |
| int frame_over_shoot_limit; |
| int frame_under_shoot_limit; |
| |
| // Decide frame size bounds |
| vp9_rc_compute_frame_size_bounds(cpi, rc->this_frame_target, |
| &frame_under_shoot_limit, |
| &frame_over_shoot_limit); |
| |
| do { |
| vp9_clear_system_state(); |
| |
| vp9_set_quantizer(cm, q); |
| |
| if (loop_count == 0) |
| setup_frame(cpi); |
| |
| // Variance adaptive and in frame q adjustment experiments are mutually |
| // exclusive. |
| if (cpi->oxcf.aq_mode == VARIANCE_AQ) { |
| vp9_vaq_frame_setup(cpi); |
| } else if (cpi->oxcf.aq_mode == COMPLEXITY_AQ) { |
| vp9_setup_in_frame_q_adj(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(); |
| |
| // 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. |
| if (cpi->sf.recode_loop >= ALLOW_RECODE_KFARFGF) { |
| save_coding_context(cpi); |
| cpi->dummy_packing = 1; |
| if (!cpi->sf.use_nonrd_pick_mode) |
| vp9_pack_bitstream(cpi, dest, size); |
| |
| rc->projected_frame_size = (int)(*size) << 3; |
| restore_coding_context(cpi); |
| |
| if (frame_over_shoot_limit == 0) |
| frame_over_shoot_limit = 1; |
| } |
| |
| if (cpi->oxcf.rc_mode == VPX_Q) { |
| loop = 0; |
| } else { |
| if ((cm->frame_type == KEY_FRAME) && |
| rc->this_key_frame_forced && |
| (rc->projected_frame_size < rc->max_frame_bandwidth)) { |
| int last_q = q; |
| int kf_err = vp9_get_y_sse(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 && |
| rc->projected_frame_size <= frame_over_shoot_limit) || |
| (kf_err > low_err_target && |
| rc->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 && |
| rc->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, MAX(q_high, 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 (rc->projected_frame_size > rc->this_frame_target) { |
| // Special case if the projected size is > the max allowed. |
| if (rc->projected_frame_size >= rc->max_frame_bandwidth) |
| q_high = rc->worst_quality; |
| |
| // 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 |
| vp9_rc_update_rate_correction_factors(cpi, 1); |
| |
| q = (q_high + q_low + 1) / 2; |
| } else { |
| // Update rate_correction_factor unless |
| vp9_rc_update_rate_correction_factors(cpi, 0); |
| |
| q = vp9_rc_regulate_q(cpi, rc->this_frame_target, |
| bottom_index, MAX(q_high, top_index)); |
| |
| while (q < q_low && retries < 10) { |
| vp9_rc_update_rate_correction_factors(cpi, 0); |
| q = vp9_rc_regulate_q(cpi, rc->this_frame_target, |
| bottom_index, MAX(q_high, top_index)); |
| retries++; |
| } |
| } |
| |
| overshoot_seen = 1; |
| } else { |
| // Frame is too small |
| q_high = q > q_low ? q - 1 : q_low; |
| |
| if (overshoot_seen || loop_count > 1) { |
| vp9_rc_update_rate_correction_factors(cpi, 1); |
| q = (q_high + q_low) / 2; |
| } else { |
| vp9_rc_update_rate_correction_factors(cpi, 0); |
| q = vp9_rc_regulate_q(cpi, rc->this_frame_target, |
| bottom_index, top_index); |
| // 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.rc_mode == VPX_CQ && |
| q < q_low) { |
| q_low = q; |
| } |
| |
| while (q > q_high && retries < 10) { |
| vp9_rc_update_rate_correction_factors(cpi, 0); |
| q = vp9_rc_regulate_q(cpi, rc->this_frame_target, |
| bottom_index, top_index); |
| 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; |
| } |
| } |
| |
| // Special case for overlay frame. |
| if (rc->is_src_frame_alt_ref && |
| rc->projected_frame_size < rc->max_frame_bandwidth) |
| loop = 0; |
| |
| if (loop) { |
| loop_count++; |
| |
| #if CONFIG_INTERNAL_STATS |
| cpi->tot_recode_hits++; |
| #endif |
| } |
| } while (loop); |
| } |
| |
| static void get_ref_frame_flags(VP9_COMP *cpi) { |
| 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->rc.frames_till_gf_update_due == INT_MAX) |
| 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; |
| } |
| |
| static void set_ext_overrides(VP9_COMP *cpi) { |
| // Overrides the defaults with the externally supplied values with |
| // vp9_update_reference() and vp9_update_entropy() calls |
| // Note: The overrides are valid only for the next frame passed |
| // to encode_frame_to_data_rate() function |
| if (cpi->ext_refresh_frame_context_pending) { |
| cpi->common.refresh_frame_context = cpi->ext_refresh_frame_context; |
| cpi->ext_refresh_frame_context_pending = 0; |
| } |
| if (cpi->ext_refresh_frame_flags_pending) { |
| cpi->refresh_last_frame = cpi->ext_refresh_last_frame; |
| cpi->refresh_golden_frame = cpi->ext_refresh_golden_frame; |
| cpi->refresh_alt_ref_frame = cpi->ext_refresh_alt_ref_frame; |
| cpi->ext_refresh_frame_flags_pending = 0; |
| } |
| } |
| |
| YV12_BUFFER_CONFIG *vp9_scale_if_required(VP9_COMMON *cm, |
| YV12_BUFFER_CONFIG *unscaled, |
| YV12_BUFFER_CONFIG *scaled) { |
| if (cm->mi_cols * MI_SIZE != unscaled->y_width || |
| cm->mi_rows * MI_SIZE != unscaled->y_height) { |
| scale_and_extend_frame_nonnormative(unscaled, scaled); |
| return scaled; |
| } else { |
| return unscaled; |
| } |
| } |
| |
| static void configure_skippable_frame(VP9_COMP *cpi) { |
| // If the current frame does not have non-zero motion vector detected in the |
| // first pass, and so do its previous and forward frames, then this frame |
| // can be skipped for partition check, and the partition size is assigned |
| // according to the variance |
| |
| SVC *const svc = &cpi->svc; |
| const int is_spatial_svc = (svc->number_spatial_layers > 1) && |
| (svc->number_temporal_layers == 1); |
| TWO_PASS *const twopass = is_spatial_svc ? |
| &svc->layer_context[svc->spatial_layer_id].twopass |
| : &cpi->twopass; |
| |
| cpi->skippable_frame = (!frame_is_intra_only(&cpi->common) && |
| twopass->stats_in - 2 > twopass->stats_in_start && |
| twopass->stats_in < twopass->stats_in_end && |
| (twopass->stats_in - 1)->pcnt_inter - (twopass->stats_in - 1)->pcnt_motion |
| == 1 && |
| (twopass->stats_in - 2)->pcnt_inter - (twopass->stats_in - 2)->pcnt_motion |
| == 1 && |
| twopass->stats_in->pcnt_inter - twopass->stats_in->pcnt_motion == 1); |
| } |
| |
| static void set_arf_sign_bias(VP9_COMP *cpi) { |
| VP9_COMMON *const cm = &cpi->common; |
| int arf_sign_bias; |
| |
| if ((cpi->pass == 2) && cpi->multi_arf_allowed) { |
| const GF_GROUP *const gf_group = &cpi->twopass.gf_group; |
| arf_sign_bias = cpi->rc.source_alt_ref_active && |
| (!cpi->refresh_alt_ref_frame || |
| (gf_group->rf_level[gf_group->index] == GF_ARF_LOW)); |
| } else { |
| arf_sign_bias = |
| (cpi->rc.source_alt_ref_active && !cpi->refresh_alt_ref_frame); |
| } |
| cm->ref_frame_sign_bias[ALTREF_FRAME] = arf_sign_bias; |
| } |
| |
| static void encode_frame_to_data_rate(VP9_COMP *cpi, |
| size_t *size, |
| uint8_t *dest, |
| unsigned int *frame_flags) { |
| VP9_COMMON *const cm = &cpi->common; |
| TX_SIZE t; |
| int q; |
| int top_index; |
| int bottom_index; |
| |
| const SPEED_FEATURES *const sf = &cpi->sf; |
| const unsigned int max_mv_def = MIN(cm->width, cm->height); |
| struct segmentation *const seg = &cm->seg; |
| set_ext_overrides(cpi); |
| |
| cpi->Source = vp9_scale_if_required(cm, cpi->un_scaled_source, |
| &cpi->scaled_source); |
| |
| if (cpi->unscaled_last_source != NULL) |
| cpi->Last_Source = vp9_scale_if_required(cm, cpi->unscaled_last_source, |
| &cpi->scaled_last_source); |
| |
| vp9_scale_references(cpi); |
| |
| vp9_clear_system_state(); |
| |
| // 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; |
| |
| // Set the arf sign bias for this frame. |
| set_arf_sign_bias(cpi); |
| |
| // 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(max_mv_def); |
| // Initialize cpi->max_mv_magnitude and cpi->mv_step_param if appropriate. |
| if (sf->mv.auto_mv_step_size) { |
| if (frame_is_intra_only(cm)) { |
| // 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(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)) { |
| // Reset the loop filter deltas and segmentation map. |
| vp9_reset_segment_features(&cm->seg); |
| |
| // 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->rc.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); |
| |
| // By default, encoder assumes decoder can use prev_mi. |
| cm->coding_use_prev_mi = 1; |
| if (cm->error_resilient_mode) { |
| cm->coding_use_prev_mi = 0; |
| 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); |
| |
| // Check if the current frame is skippable for the partition search in the |
| // second pass according to the first pass stats |
| if (cpi->pass == 2 && |
| (!cpi->use_svc || cpi->svc.number_temporal_layers == 1)) { |
| configure_skippable_frame(cpi); |
| } |
| |
| // For 1 pass CBR, check if we are dropping this frame. |
| // Never drop on key frame. |
| if (cpi->pass == 0 && |
| cpi->oxcf.rc_mode == VPX_CBR && |
| cm->frame_type != KEY_FRAME) { |
| if (vp9_rc_drop_frame(cpi)) { |
| vp9_rc_postencode_update_drop_frame(cpi); |
| ++cm->current_video_frame; |
| return; |
| } |
| } |
| |
| vp9_clear_system_state(); |
| |
| #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, yuv_file); |
| #endif |
| |
| set_speed_features(cpi); |
| |
| #if CONFIG_DENOISING |
| #ifdef OUTPUT_YUV_DENOISED |
| if (cpi->oxcf.noise_sensitivity > 0) { |
| vp9_write_yuv_frame_420(&cpi->denoiser.running_avg_y[INTRA_FRAME], |
| yuv_denoised_file); |
| } |
| #endif |
| #endif |
| |
| // Decide q and q bounds. |
| q = vp9_rc_pick_q_and_bounds(cpi, &bottom_index, &top_index); |
| |
| if (!frame_is_intra_only(cm)) { |
| cm->interp_filter = cpi->sf.default_interp_filter; |
| /* TODO: Decide this more intelligently */ |
| vp9_set_high_precision_mv(cpi, q < HIGH_PRECISION_MV_QTHRESH); |
| } |
| |
| if (cpi->sf.recode_loop == DISALLOW_RECODE) { |
| encode_without_recode_loop(cpi, q); |
| } else { |
| encode_with_recode_loop(cpi, size, dest, q, bottom_index, top_index); |
| } |
| |
| // 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->rc.next_key_frame_forced && cpi->rc.frames_to_key == 1) { |
| cpi->ambient_err = vp9_get_y_sse(cpi->Source, get_frame_new_buffer(cm)); |
| } |
| |
| // If the encoder forced a KEY_FRAME decision |
| 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); |
| vp9_update_reference_frames(cpi); |
| |
| for (t = TX_4X4; t <= TX_32X32; t++) |
| full_to_model_counts(cm->counts.coef[t], cpi->coef_counts[t]); |
| |
| if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) |
| vp9_adapt_coef_probs(cm); |
| |
| if (!frame_is_intra_only(cm)) { |
| if (!cm->error_resilient_mode && !cm->frame_parallel_decoding_mode) { |
| vp9_adapt_mode_probs(cm); |
| vp9_adapt_mv_probs(cm, cm->allow_high_precision_mv); |
| } |
| } |
| |
| if (cpi->refresh_golden_frame == 1) |
| cpi->frame_flags |= FRAMEFLAGS_GOLDEN; |
| else |
| cpi->frame_flags &= ~FRAMEFLAGS_GOLDEN; |
| |
| if (cpi->refresh_alt_ref_frame == 1) |
| cpi->frame_flags |= FRAMEFLAGS_ALTREF; |
| else |
| cpi->frame_flags &= ~FRAMEFLAGS_ALTREF; |
| |
| get_ref_frame_flags(cpi); |
| |
| cm->last_frame_type = cm->frame_type; |
| vp9_rc_postencode_update(cpi, *size); |
| |
| #if 0 |
| output_frame_level_debug_stats(cpi); |
| #endif |
| |
| if (cm->frame_type == KEY_FRAME) { |
| // Tell the caller that the frame was coded as a key frame |
| *frame_flags = cpi->frame_flags | FRAMEFLAGS_KEY; |
| } else { |
| *frame_flags = cpi->frame_flags & ~FRAMEFLAGS_KEY; |
| } |
| |
| // 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. |
| if (!cm->show_existing_frame) |
| cm->last_show_frame = cm->show_frame; |
| |
| if (cm->show_frame) { |
| vp9_swap_mi_and_prev_mi(cm); |
| |
| // Don't increment frame counters if this was an altref buffer |
| // update not a real frame |
| ++cm->current_video_frame; |
| if (cpi->use_svc) |
| vp9_inc_frame_in_layer(&cpi->svc); |
| } |
| } |
| |
| static void SvcEncode(VP9_COMP *cpi, size_t *size, uint8_t *dest, |
| unsigned int *frame_flags) { |
| vp9_rc_get_svc_params(cpi); |
| encode_frame_to_data_rate(cpi, size, dest, frame_flags); |
| } |
| |
| static void Pass0Encode(VP9_COMP *cpi, size_t *size, uint8_t *dest, |
| unsigned int *frame_flags) { |
| if (cpi->oxcf.rc_mode == VPX_CBR) { |
| vp9_rc_get_one_pass_cbr_params(cpi); |
| } else { |
| vp9_rc_get_one_pass_vbr_params(cpi); |
| } |
| encode_frame_to_data_rate(cpi, size, dest, frame_flags); |
| } |
| |
| static void Pass2Encode(VP9_COMP *cpi, size_t *size, |
| uint8_t *dest, unsigned int *frame_flags) { |
| cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED; |
| |
| vp9_rc_get_second_pass_params(cpi); |
| encode_frame_to_data_rate(cpi, size, dest, frame_flags); |
| |
| vp9_twopass_postencode_update(cpi); |
| } |
| |
| static void init_motion_estimation(VP9_COMP *cpi) { |
| int y_stride = cpi->scaled_source.y_stride; |
| |
| if (cpi->sf.mv.search_method == NSTEP) { |
| vp9_init3smotion_compensation(&cpi->ss_cfg, y_stride); |
| } else if (cpi->sf.mv.search_method == DIAMOND) { |
| vp9_init_dsmotion_compensation(&cpi->ss_cfg, y_stride); |
| } |
| } |
| |
| static void check_initial_width(VP9_COMP *cpi, int subsampling_x, |
| int subsampling_y) { |
| VP9_COMMON *const cm = &cpi->common; |
| |
| if (!cpi->initial_width) { |
| cm->subsampling_x = subsampling_x; |
| cm->subsampling_y = subsampling_y; |
| |
| alloc_raw_frame_buffers(cpi); |
| alloc_ref_frame_buffers(cpi); |
| alloc_util_frame_buffers(cpi); |
| |
| init_motion_estimation(cpi); |
| |
| cpi->initial_width = cm->width; |
| cpi->initial_height = cm->height; |
| } |
| } |
| |
| |
| int vp9_receive_raw_frame(VP9_COMP *cpi, unsigned int frame_flags, |
| YV12_BUFFER_CONFIG *sd, int64_t time_stamp, |
| int64_t end_time) { |
| VP9_COMMON *cm = &cpi->common; |
| struct vpx_usec_timer timer; |
| int res = 0; |
| const int subsampling_x = sd->uv_width < sd->y_width; |
| const int subsampling_y = sd->uv_height < sd->y_height; |
| const int is_spatial_svc = cpi->use_svc && |
| (cpi->svc.number_temporal_layers == 1); |
| |
| check_initial_width(cpi, subsampling_x, subsampling_y); |
| |
| vpx_usec_timer_start(&timer); |
| |
| #ifdef CONFIG_SPATIAL_SVC |
| if (is_spatial_svc) |
| res = vp9_svc_lookahead_push(cpi, cpi->lookahead, sd, time_stamp, end_time, |
| frame_flags); |
| else |
| #endif |
| res = vp9_lookahead_push(cpi->lookahead, |
| sd, time_stamp, end_time, frame_flags); |
| if (res) |
| res = -1; |
| vpx_usec_timer_mark(&timer); |
| cpi->time_receive_data += vpx_usec_timer_elapsed(&timer); |
| |
| if (cm->profile == PROFILE_0 && (subsampling_x != 1 || subsampling_y != 1)) { |
| vpx_internal_error(&cm->error, VPX_CODEC_INVALID_PARAM, |
| "Non-4:2:0 color space requires profile >= 1"); |
| res = -1; |
| } |
| |
| 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; |
| } |
| |
| void adjust_frame_rate(VP9_COMP *cpi) { |
| 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; |
| } |
| |
| // Returns 0 if this is not an alt ref else the offset of the source frame |
| // used as the arf midpoint. |
| static int get_arf_src_index(VP9_COMP *cpi) { |
| RATE_CONTROL *const rc = &cpi->rc; |
| int arf_src_index = 0; |
| if (is_altref_enabled(cpi)) { |
| if (cpi->pass == 2) { |
| const GF_GROUP *const gf_group = &cpi->twopass.gf_group; |
| if (gf_group->update_type[gf_group->index] == ARF_UPDATE) { |
| arf_src_index = gf_group->arf_src_offset[gf_group->index]; |
| } |
| } else if (rc->source_alt_ref_pending) { |
| arf_src_index = rc->frames_till_gf_update_due; |
| } |
| } |
| return arf_src_index; |
| } |
| |
| static void check_src_altref(VP9_COMP *cpi) { |
| RATE_CONTROL *const rc = &cpi->rc; |
| |
| if (cpi->pass == 2) { |
| const GF_GROUP *const gf_group = &cpi->twopass.gf_group; |
| rc->is_src_frame_alt_ref = |
| (gf_group->update_type[gf_group->index] == OVERLAY_UPDATE); |
| } else { |
| rc->is_src_frame_alt_ref = cpi->alt_ref_source && |
| (cpi->source == cpi->alt_ref_source); |
| } |
| |
| if (rc->is_src_frame_alt_ref) { |
| // Current frame is an ARF overlay frame. |
| cpi->alt_ref_source = NULL; |
| |
| // 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; |
| } |
| } |
| |
| int vp9_get_compressed_data(VP9_COMP *cpi, unsigned int *frame_flags, |
| size_t *size, uint8_t *dest, |
| int64_t *time_stamp, int64_t *time_end, int flush) { |
| VP9_COMMON *const cm = &cpi->common; |
| MACROBLOCKD *const xd = &cpi->mb.e_mbd; |
| RATE_CONTROL *const rc = &cpi->rc; |
| struct vpx_usec_timer cmptimer; |
| YV12_BUFFER_CONFIG *force_src_buffer = NULL; |
| MV_REFERENCE_FRAME ref_frame; |
| int arf_src_index; |
| const int is_spatial_svc = cpi->use_svc && |
| (cpi->svc.number_temporal_layers == 1) && |
| (cpi->svc.number_spatial_layers > 1); |
| |
| if (!cpi) |
| return -1; |
| |
| if (is_spatial_svc && cpi->pass == 2) { |
| vp9_svc_lookahead_peek(cpi, cpi->lookahead, 0, 1); |
| vp9_restore_layer_context(cpi); |
| } |
| |
| vpx_usec_timer_start(&cmptimer); |
| |
| cpi->source = NULL; |
| cpi->last_source = NULL; |
| |
| vp9_set_high_precision_mv(cpi, ALTREF_HIGH_PRECISION_MV); |
| |
| // Normal defaults |
| cm->reset_frame_context = 0; |
| cm->refresh_frame_context = 1; |
| cpi->refresh_last_frame = 1; |
| cpi->refresh_golden_frame = 0; |
| cpi->refresh_alt_ref_frame = 0; |
| |
| // Should we encode an arf frame. |
| arf_src_index = get_arf_src_index(cpi); |
| if (arf_src_index) { |
| assert(arf_src_index <= rc->frames_to_key); |
| |
| #ifdef CONFIG_SPATIAL_SVC |
| if (is_spatial_svc) |
| cpi->source = vp9_svc_lookahead_peek(cpi, cpi->lookahead, |
| arf_src_index, 0); |
| else |
| #endif |
| cpi->source = vp9_lookahead_peek(cpi->lookahead, arf_src_index); |
| if (cpi->source != NULL) { |
| cpi->alt_ref_source = cpi->source; |
| |
| #ifdef CONFIG_SPATIAL_SVC |
| if (is_spatial_svc && cpi->svc.spatial_layer_id > 0) { |
| int i; |
| // Reference a hidden frame from a lower layer |
| for (i = cpi->svc.spatial_layer_id - 1; i >= 0; --i) { |
| if (cpi->oxcf.ss_play_alternate[i]) { |
| cpi->gld_fb_idx = cpi->svc.layer_context[i].alt_ref_idx; |
| break; |
| } |
| } |
| } |
| cpi->svc.layer_context[cpi->svc.spatial_layer_id].has_alt_frame = 1; |
| #endif |
| |
| if (cpi->oxcf.arnr_max_frames > 0) { |
| // Produce the filtered ARF frame. |
| vp9_temporal_filter(cpi, arf_src_index); |
| vp9_extend_frame_borders(&cpi->alt_ref_buffer); |
| 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; |
| rc->is_src_frame_alt_ref = 0; |
| rc->source_alt_ref_pending = 0; |
| } else { |
| rc->source_alt_ref_pending = 0; |
| } |
| } |
| |
| if (!cpi->source) { |
| // Get last frame source. |
| if (cm->current_video_frame > 0) { |
| #ifdef CONFIG_SPATIAL_SVC |
| if (is_spatial_svc) |
| cpi->last_source = vp9_svc_lookahead_peek(cpi, cpi->lookahead, -1, 0); |
| else |
| #endif |
| cpi->last_source = vp9_lookahead_peek(cpi->lookahead, -1); |
| if (cpi->last_source == NULL) |
| return -1; |
| } |
| |
| // Read in the source frame. |
| #ifdef CONFIG_SPATIAL_SVC |
| if (is_spatial_svc) |
| cpi->source = vp9_svc_lookahead_pop(cpi, cpi->lookahead, flush); |
| else |
| #endif |
| cpi->source = vp9_lookahead_pop(cpi->lookahead, flush); |
| if (cpi->source != NULL) { |
| cm->show_frame = 1; |
| cm->intra_only = 0; |
| |
| // Check to see if the frame should be encoded as an arf overlay. |
| check_src_altref(cpi); |
| } |
| } |
| |
| if (cpi->source) { |
| cpi->un_scaled_source = cpi->Source = force_src_buffer ? force_src_buffer |
| : &cpi->source->img; |
| |
| if (cpi->last_source != NULL) { |
| cpi->unscaled_last_source = &cpi->last_source->img; |
| } else { |
| cpi->unscaled_last_source = NULL; |
| } |
| |
| *time_stamp = cpi->source->ts_start; |
| *time_end = cpi->source->ts_end; |
| *frame_flags = |
| (cpi->source->flags & VPX_EFLAG_FORCE_KF) ? FRAMEFLAGS_KEY : 0; |
| |
| } 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; |
| } |
| 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 (cm->show_frame) { |
| adjust_frame_rate(cpi); |
| } |
| |
| if (cpi->svc.number_temporal_layers > 1 && |
| cpi->oxcf.rc_mode == VPX_CBR) { |
| vp9_update_temporal_layer_framerate(cpi); |
| vp9_restore_layer_context(cpi); |
| } |
| |
| // start with a 0 size frame |
| *size = 0; |
| |
| // Clear down mmx registers |
| vp9_clear_system_state(); |
| |
| /* find a free buffer for the new frame, releasing the reference previously |
| * held. |
| */ |
| cm->frame_bufs[cm->new_fb_idx].ref_count--; |
| cm->new_fb_idx = get_free_fb(cm); |
| |
| if (!cpi->use_svc && cpi->multi_arf_allowed) { |
| if (cm->frame_type == KEY_FRAME) { |
| init_buffer_indices(cpi); |
| } else if (cpi->pass == 2) { |
| const GF_GROUP *const gf_group = &cpi->twopass.gf_group; |
| cpi->alt_fb_idx = gf_group->arf_ref_idx[gf_group->index]; |
| } |
| } |
| |
| cpi->frame_flags = *frame_flags; |
| |
| if (cpi->pass == 2 && |
| cm->current_video_frame == 0 && |
| cpi->oxcf.allow_spatial_resampling && |
| cpi->oxcf.rc_mode == VPX_VBR) { |
| // Internal scaling is triggered on the first frame. |
| vp9_set_size_literal(cpi, cpi->oxcf.scaled_frame_width, |
| cpi->oxcf.scaled_frame_height); |
| } |
| |
| // 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, |
| VP9_ENC_BORDER_IN_PIXELS, NULL, NULL, NULL); |
| |
| alloc_util_frame_buffers(cpi); |
| init_motion_estimation(cpi); |
| |
| for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { |
| const int idx = cm->ref_frame_map[get_ref_frame_idx(cpi, ref_frame)]; |
| YV12_BUFFER_CONFIG *const buf = &cm->frame_bufs[idx].buf; |
| RefBuffer *const ref_buf = &cm->frame_refs[ref_frame - 1]; |
| ref_buf->buf = buf; |
| ref_buf->idx = idx; |
| vp9_setup_scale_factors_for_frame(&ref_buf->sf, |
| buf->y_crop_width, buf->y_crop_height, |
| cm->width, cm->height); |
| |
| if (vp9_is_scaled(&ref_buf->sf)) |
| vp9_extend_frame_borders(buf); |
| } |
| |
| set_ref_ptrs(cm, xd, LAST_FRAME, LAST_FRAME); |
| |
| if (cpi->oxcf.aq_mode == VARIANCE_AQ) { |
| vp9_vaq_init(); |
| } |
| |
| if (cpi->pass == 1 && |
| (!cpi->use_svc || cpi->svc.number_temporal_layers == 1)) { |
| const int lossless = is_lossless_requested(&cpi->oxcf); |
| cpi->mb.fwd_txm4x4 = lossless ? vp9_fwht4x4 : vp9_fdct4x4; |
| cpi->mb.itxm_add = lossless ? vp9_iwht4x4_add : vp9_idct4x4_add; |
| vp9_first_pass(cpi); |
| } else if (cpi->pass == 2 && |
| (!cpi->use_svc || cpi->svc.number_temporal_layers == 1)) { |
| Pass2Encode(cpi, size, dest, frame_flags); |
| } else if (cpi->use_svc) { |
| SvcEncode(cpi, size, dest, frame_flags); |
| } else { |
| // One pass encode |
| Pass0Encode(cpi, size, dest, frame_flags); |
| } |
| |
| if (cm->refresh_frame_context) |
| cm->frame_contexts[cm->frame_context_idx] = cm->fc; |
| |
| // Frame was dropped, release scaled references. |
| if (*size == 0) { |
| release_scaled_references(cpi); |
| } |
| |
| if (*size > 0) { |
| cpi->droppable = !frame_is_reference(cpi); |
| } |
| |
| // Save layer specific state. |
| |