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aomedia / avm / refs/heads/research-tcq / . / av1 / encoder / encoder.c
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/*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the
* Alliance for Open Media Patent License 1.0 was not distributed with this
* source code in the PATENTS file, you can obtain it at
* aomedia.org/license/patent-license/.
*/
#include <limits.h>
#include <float.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "av1/common/av1_common_int.h"
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#if CONFIG_DENOISE
#include "aom_dsp/grain_table.h"
#include "aom_dsp/noise_util.h"
#include "aom_dsp/noise_model.h"
#endif
#include "aom_dsp/psnr.h"
#if CONFIG_INTERNAL_STATS
#include "aom_dsp/ssim.h"
#endif
#include "aom_ports/aom_timer.h"
#include "aom_ports/mem.h"
#include "aom_ports/system_state.h"
#include "aom_scale/aom_scale.h"
#if CONFIG_BITSTREAM_DEBUG
#include "aom_util/debug_util.h"
#endif // CONFIG_BITSTREAM_DEBUG
#include "av1/common/alloccommon.h"
#include "av1/common/filter.h"
#include "av1/common/idct.h"
#if CONFIG_PRIMARY_REF_FRAME_OPT
#include "av1/common/pred_common.h"
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
#include "av1/common/reconinter.h"
#include "av1/common/reconintra.h"
#include "av1/common/cfl.h"
#include "av1/common/resize.h"
#include "av1/common/tile_common.h"
#include "av1/common/tip.h"
#include "av1/encoder/aq_complexity.h"
#include "av1/encoder/aq_cyclicrefresh.h"
#include "av1/encoder/aq_variance.h"
#include "av1/encoder/bitstream.h"
#include "av1/encoder/context_tree.h"
#include "av1/encoder/encodeframe.h"
#include "av1/encoder/encodemv.h"
#include "av1/encoder/encode_strategy.h"
#include "av1/encoder/encoder.h"
#include "av1/encoder/encoder_alloc.h"
#include "av1/encoder/encoder_utils.h"
#include "av1/encoder/encodetxb.h"
#include "av1/encoder/ethread.h"
#include "av1/encoder/firstpass.h"
#include "av1/encoder/hash_motion.h"
#include "av1/encoder/intra_mode_search.h"
#include "av1/encoder/mv_prec.h"
#include "av1/encoder/pass2_strategy.h"
#include "av1/encoder/pickcdef.h"
#if CONFIG_CCSO
#include "av1/encoder/pickccso.h"
#endif
#include "av1/encoder/picklpf.h"
#include "av1/encoder/pickrst.h"
#include "av1/encoder/random.h"
#include "av1/encoder/ratectrl.h"
#include "av1/encoder/rc_utils.h"
#include "av1/encoder/rd.h"
#include "av1/encoder/rdopt.h"
#include "av1/encoder/reconinter_enc.h"
#include "av1/encoder/segmentation.h"
#include "av1/encoder/speed_features.h"
#include "av1/encoder/subgop.h"
#include "av1/encoder/superres_scale.h"
#include "av1/encoder/tpl_model.h"
#define DEFAULT_EXPLICIT_ORDER_HINT_BITS 7
#define DEF_MAX_DRL_REFMVS 4
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
#define DEF_MAX_DRL_REFBVS 4
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
#if CONFIG_ENTROPY_STATS
FRAME_COUNTS aggregate_fc;
#endif // CONFIG_ENTROPY_STATS
// #define OUTPUT_YUV_REC
#ifdef OUTPUT_YUV_REC
FILE *yuv_rec_file;
#define FILE_NAME_LEN 100
#endif
static INLINE void Scale2Ratio(AOM_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 THREEFOUR:
*hr = 3;
*hs = 4;
break;
case ONEFOUR:
*hr = 1;
*hs = 4;
break;
case ONEEIGHT:
*hr = 1;
*hs = 8;
break;
case ONETWO:
*hr = 1;
*hs = 2;
break;
default:
*hr = 1;
*hs = 1;
assert(0);
break;
}
}
int av1_set_active_map(AV1_COMP *cpi, unsigned char *new_map_16x16, int rows,
int cols) {
const CommonModeInfoParams *const mi_params = &cpi->common.mi_params;
if (rows == mi_params->mb_rows && cols == mi_params->mb_cols) {
unsigned char *const active_map_8x8 = cpi->active_map.map;
const int mi_rows = mi_params->mi_rows;
const int mi_cols = mi_params->mi_cols;
const int row_scale = mi_size_high[BLOCK_16X16] == 2 ? 1 : 2;
const int col_scale = mi_size_wide[BLOCK_16X16] == 2 ? 1 : 2;
cpi->active_map.update = 1;
if (new_map_16x16) {
int r, c;
for (r = 0; r < mi_rows; ++r) {
for (c = 0; c < mi_cols; ++c) {
active_map_8x8[r * mi_cols + c] =
new_map_16x16[(r >> row_scale) * cols + (c >> col_scale)]
? AM_SEGMENT_ID_ACTIVE
: AM_SEGMENT_ID_INACTIVE;
}
}
cpi->active_map.enabled = 1;
} else {
cpi->active_map.enabled = 0;
}
return 0;
} else {
return -1;
}
}
int av1_get_active_map(AV1_COMP *cpi, unsigned char *new_map_16x16, int rows,
int cols) {
const CommonModeInfoParams *const mi_params = &cpi->common.mi_params;
if (rows == mi_params->mb_rows && cols == mi_params->mb_cols &&
new_map_16x16) {
unsigned char *const seg_map_8x8 = cpi->enc_seg.map;
const int mi_rows = mi_params->mi_rows;
const int mi_cols = mi_params->mi_cols;
const int row_scale = mi_size_high[BLOCK_16X16] == 2 ? 1 : 2;
const int col_scale = mi_size_wide[BLOCK_16X16] == 2 ? 1 : 2;
memset(new_map_16x16, !cpi->active_map.enabled, rows * cols);
if (cpi->active_map.enabled) {
int r, c;
for (r = 0; r < mi_rows; ++r) {
for (c = 0; c < mi_cols; ++c) {
// Cyclic refresh segments are considered active despite not having
// AM_SEGMENT_ID_ACTIVE
new_map_16x16[(r >> row_scale) * cols + (c >> col_scale)] |=
seg_map_8x8[r * mi_cols + c] != AM_SEGMENT_ID_INACTIVE;
}
}
}
return 0;
} else {
return -1;
}
}
void av1_initialize_enc(void) {
av1_rtcd();
aom_dsp_rtcd();
aom_scale_rtcd();
av1_init_intra_predictors();
av1_init_me_luts();
av1_rc_init_minq_luts();
av1_init_wedge_masks();
init_cwp_masks();
}
static void update_reference_segmentation_map(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
const CommonModeInfoParams *const mi_params = &cm->mi_params;
MB_MODE_INFO **mi_4x4_ptr = mi_params->mi_grid_base;
uint8_t *cache_ptr = cm->cur_frame->seg_map;
for (int row = 0; row < mi_params->mi_rows; row++) {
MB_MODE_INFO **mi_4x4 = mi_4x4_ptr;
uint8_t *cache = cache_ptr;
for (int col = 0; col < mi_params->mi_cols; col++, mi_4x4++, cache++)
cache[0] = mi_4x4[0]->segment_id;
mi_4x4_ptr += mi_params->mi_stride;
cache_ptr += mi_params->mi_cols;
}
}
void av1_new_framerate(AV1_COMP *cpi, double framerate) {
cpi->framerate = framerate < 0.1 ? 30 : framerate;
av1_rc_update_framerate(cpi, cpi->common.width, cpi->common.height);
}
double av1_get_compression_ratio(const AV1_COMMON *const cm,
size_t encoded_frame_size) {
const int upscaled_width = cm->superres_upscaled_width;
const int height = cm->height;
const int luma_pic_size = upscaled_width * height;
const SequenceHeader *const seq_params = &cm->seq_params;
const BITSTREAM_PROFILE profile = seq_params->profile;
const int pic_size_profile_factor =
profile == PROFILE_0 ? 15 : (profile == PROFILE_1 ? 30 : 36);
encoded_frame_size =
(encoded_frame_size > 129 ? encoded_frame_size - 128 : 1);
const size_t uncompressed_frame_size =
(luma_pic_size * pic_size_profile_factor) >> 3;
return uncompressed_frame_size / (double)encoded_frame_size;
}
static void update_frame_size(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
// We need to reallocate the context buffers here in case we need more mis.
if (av1_alloc_context_buffers(cm, cm->width, cm->height)) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate context buffers");
}
av1_init_mi_buffers(&cm->mi_params);
av1_init_macroblockd(cm, xd);
if (!is_stat_generation_stage(cpi))
alloc_context_buffers_ext(cm, &cpi->mbmi_ext_info);
const BLOCK_SIZE sb_size = av1_select_sb_size(cpi);
if (!cpi->seq_params_locked) {
set_sb_size(cm, sb_size);
} else {
av1_set_frame_sb_size(cm, sb_size);
}
cpi->td.sb_size = cm->sb_size;
av1_set_tile_info(cm, &cpi->oxcf.tile_cfg);
}
static INLINE int does_level_match(int width, int height, double fps,
int lvl_width, int lvl_height,
double lvl_fps, int lvl_dim_mult) {
const int64_t lvl_luma_pels = lvl_width * lvl_height;
const double lvl_display_sample_rate = lvl_luma_pels * lvl_fps;
const int64_t luma_pels = width * height;
const double display_sample_rate = luma_pels * fps;
return luma_pels <= lvl_luma_pels &&
display_sample_rate <= lvl_display_sample_rate &&
width <= lvl_width * lvl_dim_mult &&
height <= lvl_height * lvl_dim_mult;
}
static void set_bitstream_level_tier(SequenceHeader *seq, AV1_COMMON *cm,
int width, int height,
double init_framerate) {
// TODO(any): This is a placeholder function that only addresses dimensions
// and max display sample rates.
// Need to add checks for max bit rate, max decoded luma sample rate, header
// rate, etc. that are not covered by this function.
AV1_LEVEL level = SEQ_LEVEL_MAX;
if (does_level_match(width, height, init_framerate, 512, 288, 30.0, 4)) {
level = SEQ_LEVEL_2_0;
} else if (does_level_match(width, height, init_framerate, 704, 396, 30.0,
4)) {
level = SEQ_LEVEL_2_1;
} else if (does_level_match(width, height, init_framerate, 1088, 612, 30.0,
4)) {
level = SEQ_LEVEL_3_0;
} else if (does_level_match(width, height, init_framerate, 1376, 774, 30.0,
4)) {
level = SEQ_LEVEL_3_1;
} else if (does_level_match(width, height, init_framerate, 2048, 1152, 30.0,
3)) {
level = SEQ_LEVEL_4_0;
} else if (does_level_match(width, height, init_framerate, 2048, 1152, 60.0,
3)) {
level = SEQ_LEVEL_4_1;
} else if (does_level_match(width, height, init_framerate, 4096, 2176, 30.0,
2)) {
level = SEQ_LEVEL_5_0;
} else if (does_level_match(width, height, init_framerate, 4096, 2176, 60.0,
2)) {
level = SEQ_LEVEL_5_1;
} else if (does_level_match(width, height, init_framerate, 4096, 2176, 120.0,
2)) {
level = SEQ_LEVEL_5_2;
} else if (does_level_match(width, height, init_framerate, 8192, 4352, 30.0,
2)) {
level = SEQ_LEVEL_6_0;
} else if (does_level_match(width, height, init_framerate, 8192, 4352, 60.0,
2)) {
level = SEQ_LEVEL_6_1;
} else if (does_level_match(width, height, init_framerate, 8192, 4352, 120.0,
2)) {
level = SEQ_LEVEL_6_2;
}
SequenceHeader *const seq_params = &cm->seq_params;
for (int i = 0; i < MAX_NUM_OPERATING_POINTS; ++i) {
seq->seq_level_idx[i] = level;
// Set the maximum parameters for bitrate and buffer size for this profile,
// level, and tier
seq_params->op_params[i].bitrate = av1_max_level_bitrate(
cm->seq_params.profile, seq->seq_level_idx[i], seq->tier[i]);
// Level with seq_level_idx = 31 returns a high "dummy" bitrate to pass the
// check
if (seq_params->op_params[i].bitrate == 0)
aom_internal_error(
&cm->error, AOM_CODEC_UNSUP_BITSTREAM,
"AV1 does not support this combination of profile, level, and tier.");
// Buffer size in bits/s is bitrate in bits/s * 1 s
seq_params->op_params[i].buffer_size = seq_params->op_params[i].bitrate;
}
}
void av1_init_seq_coding_tools(SequenceHeader *seq, AV1_COMMON *cm,
const AV1EncoderConfig *oxcf) {
const FrameDimensionCfg *const frm_dim_cfg = &oxcf->frm_dim_cfg;
const ToolCfg *const tool_cfg = &oxcf->tool_cfg;
seq->still_picture =
(tool_cfg->force_video_mode == 0) && (oxcf->input_cfg.limit == 1);
seq->reduced_still_picture_hdr = seq->still_picture;
seq->reduced_still_picture_hdr &= !tool_cfg->full_still_picture_hdr;
seq->force_screen_content_tools = 2;
seq->force_integer_mv = 2;
seq->order_hint_info.enable_order_hint = tool_cfg->enable_order_hint;
seq->frame_id_numbers_present_flag =
!(seq->still_picture && seq->reduced_still_picture_hdr) &&
!oxcf->tile_cfg.enable_large_scale_tile && tool_cfg->error_resilient_mode;
if (seq->still_picture && seq->reduced_still_picture_hdr) {
seq->order_hint_info.enable_order_hint = 0;
seq->force_screen_content_tools = 2;
seq->force_integer_mv = 2;
}
seq->order_hint_info.order_hint_bits_minus_1 =
seq->order_hint_info.enable_order_hint
? DEFAULT_EXPLICIT_ORDER_HINT_BITS - 1
: -1;
seq->explicit_ref_frame_map = oxcf->ref_frm_cfg.explicit_ref_frame_map;
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
// Set 0 for multi-layer coding
seq->enable_frame_output_order = oxcf->ref_frm_cfg.enable_frame_output_order;
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
seq->max_reference_frames = oxcf->ref_frm_cfg.max_reference_frames;
#if CONFIG_ALLOW_SAME_REF_COMPOUND
seq->num_same_ref_compound = SAME_REF_COMPOUND_PRUNE;
#endif // CONFIG_ALLOW_SAME_REF_COMPOUND
seq->max_frame_width = frm_dim_cfg->forced_max_frame_width
? frm_dim_cfg->forced_max_frame_width
: frm_dim_cfg->width;
seq->max_frame_height = frm_dim_cfg->forced_max_frame_height
? frm_dim_cfg->forced_max_frame_height
: frm_dim_cfg->height;
seq->num_bits_width =
(seq->max_frame_width > 1) ? get_msb(seq->max_frame_width - 1) + 1 : 1;
seq->num_bits_height =
(seq->max_frame_height > 1) ? get_msb(seq->max_frame_height - 1) + 1 : 1;
assert(seq->num_bits_width <= 16);
assert(seq->num_bits_height <= 16);
seq->frame_id_length = FRAME_ID_LENGTH;
seq->delta_frame_id_length = DELTA_FRAME_ID_LENGTH;
seq->order_hint_info.enable_ref_frame_mvs = tool_cfg->ref_frame_mvs_present;
seq->order_hint_info.enable_ref_frame_mvs &=
seq->order_hint_info.enable_order_hint;
seq->enable_superres = oxcf->superres_cfg.enable_superres;
seq->enable_cdef = tool_cfg->enable_cdef;
seq->enable_restoration = tool_cfg->enable_restoration;
#if CONFIG_CCSO
seq->enable_ccso = tool_cfg->enable_ccso;
#endif
seq->enable_pef = tool_cfg->enable_pef;
#if CONFIG_OPTFLOW_REFINEMENT
seq->enable_opfl_refine = tool_cfg->enable_opfl_refine;
#endif // CONFIG_OPTFLOW_REFINEMENT
#if CONFIG_AFFINE_REFINEMENT
seq->enable_affine_refine = tool_cfg->enable_affine_refine;
#endif // CONFIG_AFFINE_REFINEMENT
seq->enable_tip = tool_cfg->enable_tip;
seq->enable_tip_hole_fill = seq->enable_tip;
#if CONFIG_TIP_IMPLICIT_QUANT
seq->enable_tip_explicit_qp = 0;
#endif // CONFIG_TIP_IMPLICIT_QUANT
#if CONFIG_BAWP
seq->enable_bawp = tool_cfg->enable_bawp;
#endif // CONFIG_BAWP
seq->enable_cwp = tool_cfg->enable_cwp;
#if CONFIG_D071_IMP_MSK_BLD
seq->enable_imp_msk_bld = tool_cfg->enable_imp_msk_bld;
#endif // CONFIG_D071_IMP_MSK_BLD
#if CONFIG_EXTENDED_WARP_PREDICTION
seq->seq_enabled_motion_modes =
oxcf->motion_mode_cfg.seq_enabled_motion_modes;
#else
seq->enable_warped_motion = oxcf->motion_mode_cfg.enable_warped_motion;
seq->enable_interintra_compound = tool_cfg->enable_interintra_comp;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
#if CONFIG_EXT_RECUR_PARTITIONS
seq->enable_ext_partitions = oxcf->part_cfg.enable_ext_partitions;
#endif // CONFIG_EXT_RECUR_PARTITIONS
seq->enable_masked_compound = oxcf->comp_type_cfg.enable_masked_comp;
seq->enable_intra_edge_filter = oxcf->intra_mode_cfg.enable_intra_edge_filter;
seq->enable_filter_intra = oxcf->intra_mode_cfg.enable_filter_intra;
seq->enable_sdp = oxcf->part_cfg.enable_sdp;
seq->enable_mrls = oxcf->intra_mode_cfg.enable_mrls;
seq->enable_fsc = oxcf->intra_mode_cfg.enable_fsc;
seq->enable_orip = oxcf->intra_mode_cfg.enable_orip;
#if CONFIG_IDIF
seq->enable_idif = oxcf->intra_mode_cfg.enable_idif;
#endif // CONFIG_IDIF
seq->enable_ist = oxcf->txfm_cfg.enable_ist;
seq->enable_cctx = oxcf->txfm_cfg.enable_cctx;
seq->enable_ibp = oxcf->intra_mode_cfg.enable_ibp;
seq->enable_adaptive_mvd = tool_cfg->enable_adaptive_mvd;
seq->enable_flex_mvres = tool_cfg->enable_flex_mvres;
#if CONFIG_IMPROVED_CFL
seq->enable_cfl_ds_filter = tool_cfg->enable_cfl_ds_filter;
#endif // CONFIG_CONFIG_IMPROVED_CFL
seq->enable_joint_mvd = tool_cfg->enable_joint_mvd;
#if CONFIG_REFINEMV
seq->enable_refinemv = tool_cfg->enable_refinemv;
#endif // CONFIG_REFINEMV
set_bitstream_level_tier(seq, cm, frm_dim_cfg->width, frm_dim_cfg->height,
oxcf->input_cfg.init_framerate);
if (seq->operating_points_cnt_minus_1 == 0) {
seq->operating_point_idc[0] = 0;
} else {
// Set operating_point_idc[] such that the i=0 point corresponds to the
// highest quality operating point (all layers), and subsequent
// operarting points (i > 0) are lower quality corresponding to
// skip decoding enhancement layers (temporal first).
int i = 0;
assert(seq->operating_points_cnt_minus_1 ==
(int)(cm->number_spatial_layers * cm->number_temporal_layers - 1));
for (unsigned int sl = 0; sl < cm->number_spatial_layers; sl++) {
for (unsigned int tl = 0; tl < cm->number_temporal_layers; tl++) {
seq->operating_point_idc[i] =
(~(~0u << (cm->number_spatial_layers - sl)) << 8) |
~(~0u << (cm->number_temporal_layers - tl));
i++;
}
}
}
const int is_360p_or_larger =
AOMMIN(seq->max_frame_width, seq->max_frame_height) >= 360;
const int is_720p_or_larger =
AOMMIN(seq->max_frame_width, seq->max_frame_height) >= 720;
if (!is_360p_or_larger) {
seq->base_y_dc_delta_q = -7;
seq->base_uv_dc_delta_q = -6;
} else if (!is_720p_or_larger) {
seq->base_y_dc_delta_q = -5;
seq->base_uv_dc_delta_q = -4;
} else {
seq->base_y_dc_delta_q = -4;
seq->base_uv_dc_delta_q = -3;
}
seq->enable_refmvbank = tool_cfg->enable_refmvbank;
seq->enable_parity_hiding = tool_cfg->enable_parity_hiding;
#if CONFIG_IMPROVED_GLOBAL_MOTION
// TODO(rachelbarker): Check if cpi->sf.gm_sf.gm_search_type is set by this
// point, and set to 0 if cpi->sf.gm_sf.gm_search_type == GM_DISABLE_SEARCH
// if possible
seq->enable_global_motion =
tool_cfg->enable_global_motion && !seq->reduced_still_picture_hdr;
#endif // CONFIG_IMPROVED_GLOBAL_MOTION
#if CONFIG_REFRESH_FLAG
seq->enable_short_refresh_frame_flags =
tool_cfg->enable_short_refresh_frame_flags;
#endif // CONFIG_REFRESH_FLAG
}
static void init_config(struct AV1_COMP *cpi, AV1EncoderConfig *oxcf) {
AV1_COMMON *const cm = &cpi->common;
SequenceHeader *const seq_params = &cm->seq_params;
ResizePendingParams *resize_pending_params = &cpi->resize_pending_params;
const DecoderModelCfg *const dec_model_cfg = &oxcf->dec_model_cfg;
const ColorCfg *const color_cfg = &oxcf->color_cfg;
cpi->oxcf = *oxcf;
cpi->framerate = oxcf->input_cfg.init_framerate;
seq_params->profile = oxcf->profile;
seq_params->bit_depth = oxcf->tool_cfg.bit_depth;
seq_params->color_primaries = color_cfg->color_primaries;
seq_params->transfer_characteristics = color_cfg->transfer_characteristics;
seq_params->matrix_coefficients = color_cfg->matrix_coefficients;
seq_params->monochrome = oxcf->tool_cfg.enable_monochrome;
seq_params->chroma_sample_position = color_cfg->chroma_sample_position;
seq_params->color_range = color_cfg->color_range;
seq_params->timing_info_present = dec_model_cfg->timing_info_present;
seq_params->timing_info.num_units_in_display_tick =
dec_model_cfg->timing_info.num_units_in_display_tick;
seq_params->timing_info.time_scale = dec_model_cfg->timing_info.time_scale;
seq_params->timing_info.equal_picture_interval =
dec_model_cfg->timing_info.equal_picture_interval;
seq_params->timing_info.num_ticks_per_picture =
dec_model_cfg->timing_info.num_ticks_per_picture;
seq_params->display_model_info_present_flag =
dec_model_cfg->display_model_info_present_flag;
seq_params->decoder_model_info_present_flag =
dec_model_cfg->decoder_model_info_present_flag;
if (dec_model_cfg->decoder_model_info_present_flag) {
// set the decoder model parameters in schedule mode
seq_params->decoder_model_info.num_units_in_decoding_tick =
dec_model_cfg->num_units_in_decoding_tick;
cm->buffer_removal_time_present = 1;
av1_set_aom_dec_model_info(&seq_params->decoder_model_info);
av1_set_dec_model_op_parameters(&seq_params->op_params[0]);
} else if (seq_params->timing_info_present &&
seq_params->timing_info.equal_picture_interval &&
!seq_params->decoder_model_info_present_flag) {
// set the decoder model parameters in resource availability mode
av1_set_resource_availability_parameters(&seq_params->op_params[0]);
} else {
seq_params->op_params[0].initial_display_delay =
10; // Default value (not signaled)
}
if (seq_params->monochrome) {
seq_params->subsampling_x = 1;
seq_params->subsampling_y = 1;
} else if (seq_params->color_primaries == AOM_CICP_CP_BT_709 &&
seq_params->transfer_characteristics == AOM_CICP_TC_SRGB &&
seq_params->matrix_coefficients == AOM_CICP_MC_IDENTITY) {
seq_params->subsampling_x = 0;
seq_params->subsampling_y = 0;
} else {
if (seq_params->profile == 0) {
seq_params->subsampling_x = 1;
seq_params->subsampling_y = 1;
} else if (seq_params->profile == 1) {
seq_params->subsampling_x = 0;
seq_params->subsampling_y = 0;
} else {
if (seq_params->bit_depth == AOM_BITS_12) {
seq_params->subsampling_x = oxcf->input_cfg.chroma_subsampling_x;
seq_params->subsampling_y = oxcf->input_cfg.chroma_subsampling_y;
} else {
seq_params->subsampling_x = 1;
seq_params->subsampling_y = 0;
}
}
}
cm->width = oxcf->frm_dim_cfg.width;
cm->height = oxcf->frm_dim_cfg.height;
// set sb size before allocations
const BLOCK_SIZE sb_size = av1_select_sb_size(cpi);
set_sb_size(cm, sb_size);
cpi->td.sb_size = cm->sb_size;
alloc_compressor_data(cpi);
av1_update_film_grain_parameters(cpi, oxcf);
// Single thread case: use counts in common.
cpi->td.counts = &cpi->counts;
// Set init SVC parameters.
cm->number_spatial_layers = 1;
cm->number_temporal_layers = 1;
cm->spatial_layer_id = 0;
cm->temporal_layer_id = 0;
// change includes all joint functionality
av1_change_config(cpi, oxcf);
cm->ref_frame_flags = 0;
// Reset resize pending flags
resize_pending_params->width = 0;
resize_pending_params->height = 0;
// Setup identity scale factor
av1_setup_scale_factors_for_frame(&cm->sf_identity, 1, 1, 1, 1);
init_buffer_indices(&cpi->force_intpel_info, cm->remapped_ref_idx);
av1_noise_estimate_init(&cpi->noise_estimate, cm->width, cm->height);
}
int aom_strcmp(const char *a, const char *b) {
if (a == NULL && b == NULL) return 0;
if (a == NULL && b != NULL) return -1;
if (a != NULL && b == NULL) return 1;
return strcmp(a, b);
}
static void set_max_drl_bits(struct AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
// Add logic to choose this in the range [MIN_MAX_DRL_BITS, MAX_MAX_DRL_BITS]
if (cpi->oxcf.tool_cfg.max_drl_refmvs == 0) {
// TODO(any): Implement an auto mode that potentially adapts the parameter
// frame to frame. Currently set at a default value.
cm->features.max_drl_bits = DEF_MAX_DRL_REFMVS - 1;
} else {
cm->features.max_drl_bits = cpi->oxcf.tool_cfg.max_drl_refmvs - 1;
}
assert(cm->features.max_drl_bits >= MIN_MAX_DRL_BITS &&
cm->features.max_drl_bits <= MAX_MAX_DRL_BITS);
}
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
static void set_max_bvp_drl_bits(struct AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
// Add logic to choose this in the range [MIN_MAX_IBC_DRL_BITS,
// MAX_MAX_IBC_DRL_BITS]
if (cpi->oxcf.tool_cfg.max_drl_refbvs == 0) {
// TODO(any): Implement an auto mode that potentially adapts the parameter
// frame to frame. Currently set at a default value.
cm->features.max_bvp_drl_bits = DEF_MAX_DRL_REFBVS - 1;
} else {
cm->features.max_bvp_drl_bits = cpi->oxcf.tool_cfg.max_drl_refbvs - 1;
}
assert(cm->features.max_bvp_drl_bits >= MIN_MAX_IBC_DRL_BITS &&
cm->features.max_bvp_drl_bits <= MAX_MAX_IBC_DRL_BITS);
}
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
#if CONFIG_LR_IMPROVEMENTS
static void set_seq_lr_tools_mask(SequenceHeader *const seq_params,
const AV1EncoderConfig *oxcf) {
const ToolCfg *const tool_cfg = &oxcf->tool_cfg;
seq_params->lr_tools_disable_mask[0] = 0; // default - no tools disabled
seq_params->lr_tools_disable_mask[1] = 0; // default - no tools disabled
// Parse oxcf here to disable tools as requested through cmd lines
// Disable SGRPROJ if needed
if (!tool_cfg->enable_sgrproj) {
seq_params->lr_tools_disable_mask[0] |= (1 << RESTORE_SGRPROJ);
seq_params->lr_tools_disable_mask[1] |= (1 << RESTORE_SGRPROJ);
}
if (!tool_cfg->enable_wiener) {
seq_params->lr_tools_disable_mask[0] |= (1 << RESTORE_WIENER);
seq_params->lr_tools_disable_mask[1] |= (1 << RESTORE_WIENER);
}
if (!tool_cfg->enable_pc_wiener) {
seq_params->lr_tools_disable_mask[0] |= (1 << RESTORE_PC_WIENER);
seq_params->lr_tools_disable_mask[1] |= (1 << RESTORE_PC_WIENER);
}
if (!tool_cfg->enable_wiener_nonsep) {
seq_params->lr_tools_disable_mask[0] |= (1 << RESTORE_WIENER_NONSEP);
seq_params->lr_tools_disable_mask[1] |= (1 << RESTORE_WIENER_NONSEP);
}
seq_params->lr_tools_disable_mask[1] |= DEF_UV_LR_TOOLS_DISABLE_MASK;
}
#endif // CONFIG_LR_IMPROVEMENTS
void av1_change_config(struct AV1_COMP *cpi, const AV1EncoderConfig *oxcf) {
AV1_COMMON *const cm = &cpi->common;
SequenceHeader *const seq_params = &cm->seq_params;
RATE_CONTROL *const rc = &cpi->rc;
MACROBLOCK *const x = &cpi->td.mb;
AV1LevelParams *const level_params = &cpi->level_params;
InitialDimensions *const initial_dimensions = &cpi->initial_dimensions;
const FrameDimensionCfg *const frm_dim_cfg = &cpi->oxcf.frm_dim_cfg;
const DecoderModelCfg *const dec_model_cfg = &oxcf->dec_model_cfg;
const ColorCfg *const color_cfg = &oxcf->color_cfg;
const RateControlCfg *const rc_cfg = &oxcf->rc_cfg;
// in case of LAP, lag in frames is set according to number of lap buffers
// calculated at init time. This stores and restores LAP's lag in frames to
// prevent override by new cfg.
int lap_lag_in_frames = -1;
if (cpi->lap_enabled && cpi->compressor_stage == LAP_STAGE) {
lap_lag_in_frames = cpi->oxcf.gf_cfg.lag_in_frames;
}
if (seq_params->profile != oxcf->profile) seq_params->profile = oxcf->profile;
seq_params->bit_depth = oxcf->tool_cfg.bit_depth;
seq_params->color_primaries = color_cfg->color_primaries;
seq_params->transfer_characteristics = color_cfg->transfer_characteristics;
seq_params->matrix_coefficients = color_cfg->matrix_coefficients;
seq_params->monochrome = oxcf->tool_cfg.enable_monochrome;
seq_params->chroma_sample_position = color_cfg->chroma_sample_position;
seq_params->color_range = color_cfg->color_range;
assert(IMPLIES(seq_params->profile <= PROFILE_1,
seq_params->bit_depth <= AOM_BITS_10));
seq_params->timing_info_present = dec_model_cfg->timing_info_present;
seq_params->timing_info.num_units_in_display_tick =
dec_model_cfg->timing_info.num_units_in_display_tick;
seq_params->timing_info.time_scale = dec_model_cfg->timing_info.time_scale;
seq_params->timing_info.equal_picture_interval =
dec_model_cfg->timing_info.equal_picture_interval;
seq_params->timing_info.num_ticks_per_picture =
dec_model_cfg->timing_info.num_ticks_per_picture;
seq_params->display_model_info_present_flag =
dec_model_cfg->display_model_info_present_flag;
seq_params->decoder_model_info_present_flag =
dec_model_cfg->decoder_model_info_present_flag;
if (dec_model_cfg->decoder_model_info_present_flag) {
// set the decoder model parameters in schedule mode
seq_params->decoder_model_info.num_units_in_decoding_tick =
dec_model_cfg->num_units_in_decoding_tick;
cm->buffer_removal_time_present = 1;
av1_set_aom_dec_model_info(&seq_params->decoder_model_info);
av1_set_dec_model_op_parameters(&seq_params->op_params[0]);
} else if (seq_params->timing_info_present &&
seq_params->timing_info.equal_picture_interval &&
!seq_params->decoder_model_info_present_flag) {
// set the decoder model parameters in resource availability mode
av1_set_resource_availability_parameters(&seq_params->op_params[0]);
} else {
seq_params->op_params[0].initial_display_delay =
10; // Default value (not signaled)
}
av1_update_film_grain_parameters(cpi, oxcf);
cpi->oxcf = *oxcf;
// When user provides superres_mode = AOM_SUPERRES_AUTO, we still initialize
// superres mode for current encoding = AOM_SUPERRES_NONE. This is to ensure
// that any analysis (e.g. TPL) happening outside the main encoding loop still
// happens at full resolution.
// This value will later be set appropriately just before main encoding loop.
cpi->superres_mode = oxcf->superres_cfg.superres_mode == AOM_SUPERRES_AUTO
? AOM_SUPERRES_NONE
: oxcf->superres_cfg.superres_mode; // default
#if CONFIG_LR_IMPROVEMENTS
if (seq_params->enable_restoration) set_seq_lr_tools_mask(seq_params, oxcf);
#endif // CONFIG_LR_IMPROVEMENTS
x->e_mbd.bd = (int)seq_params->bit_depth;
x->e_mbd.global_motion = cm->global_motion;
memcpy(level_params->target_seq_level_idx, cpi->oxcf.target_seq_level_idx,
sizeof(level_params->target_seq_level_idx));
level_params->keep_level_stats = 0;
for (int i = 0; i < MAX_NUM_OPERATING_POINTS; ++i) {
if (level_params->target_seq_level_idx[i] <= SEQ_LEVELS) {
level_params->keep_level_stats |= 1u << i;
if (!level_params->level_info[i]) {
CHECK_MEM_ERROR(cm, level_params->level_info[i],
aom_calloc(1, sizeof(*level_params->level_info[i])));
}
}
}
// TODO(huisu@): level targeting currently only works for the 0th operating
// point, so scalable coding is not supported yet.
if (level_params->target_seq_level_idx[0] < SEQ_LEVELS) {
// Adjust encoder config in order to meet target level.
config_target_level(cpi, level_params->target_seq_level_idx[0],
seq_params->tier[0]);
}
rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
cm->features.refresh_frame_context =
(oxcf->tool_cfg.frame_parallel_decoding_mode)
? REFRESH_FRAME_CONTEXT_DISABLED
: REFRESH_FRAME_CONTEXT_BACKWARD;
if (oxcf->tile_cfg.enable_large_scale_tile)
cm->features.refresh_frame_context = REFRESH_FRAME_CONTEXT_DISABLED;
if (x->palette_buffer == NULL) {
CHECK_MEM_ERROR(cm, x->palette_buffer,
aom_memalign(16, sizeof(*x->palette_buffer)));
}
if (x->comp_rd_buffer.pred0 == NULL) {
alloc_compound_type_rd_buffers(cm, &x->comp_rd_buffer);
}
if (x->tmp_conv_dst == NULL) {
CHECK_MEM_ERROR(
cm, x->tmp_conv_dst,
aom_memalign(32, MAX_SB_SIZE * MAX_SB_SIZE * sizeof(*x->tmp_conv_dst)));
x->e_mbd.tmp_conv_dst = x->tmp_conv_dst;
}
for (int i = 0; i < 2; ++i) {
if (x->tmp_pred_bufs[i] == NULL) {
CHECK_MEM_ERROR(cm, x->tmp_pred_bufs[i],
aom_memalign(32, 2 * MAX_MB_PLANE * MAX_SB_SQUARE *
sizeof(*x->tmp_pred_bufs[i])));
x->e_mbd.tmp_obmc_bufs[i] = x->tmp_pred_bufs[i];
}
}
av1_reset_segment_features(cm);
// Add logic to choose this in the range [MIN_MAX_DRL_BITS, MAX_MAX_DRL_BITS]
set_max_drl_bits(cpi);
av1_set_high_precision_mv(cpi, MV_PRECISION_ONE_EIGHTH_PEL);
set_rc_buffer_sizes(rc, rc_cfg);
// Under a configuration change, where maximum_buffer_size may change,
// keep buffer level clipped to the maximum allowed buffer size.
rc->bits_off_target = AOMMIN(rc->bits_off_target, rc->maximum_buffer_size);
rc->buffer_level = AOMMIN(rc->buffer_level, rc->maximum_buffer_size);
// Set up frame rate and related parameters rate control values.
av1_new_framerate(cpi, cpi->framerate);
// Set absolute upper and lower quality limits
rc->worst_quality = rc_cfg->worst_allowed_q;
rc->best_quality = rc_cfg->best_allowed_q;
cm->features.interp_filter =
oxcf->tile_cfg.enable_large_scale_tile ? EIGHTTAP_REGULAR : SWITCHABLE;
#if !CONFIG_EXTENDED_WARP_PREDICTION
cm->features.switchable_motion_mode = 1;
#endif // !CONFIG_EXTENDED_WARP_PREDICTION
#if CONFIG_OPTFLOW_REFINEMENT
cm->features.opfl_refine_type = REFINE_SWITCHABLE;
#endif // CONFIG_OPTFLOW_REFINEMENT
if (frm_dim_cfg->render_width > 0 && frm_dim_cfg->render_height > 0) {
cm->render_width = frm_dim_cfg->render_width;
cm->render_height = frm_dim_cfg->render_height;
} else {
cm->render_width = frm_dim_cfg->width;
cm->render_height = frm_dim_cfg->height;
}
cm->width = frm_dim_cfg->width;
cm->height = frm_dim_cfg->height;
BLOCK_SIZE sb_size = cm->sb_size;
BLOCK_SIZE new_sb_size = av1_select_sb_size(cpi);
// Superblock size should not be updated after the first key frame.
if (!cpi->seq_params_locked) {
set_sb_size(cm, new_sb_size);
for (int i = 0; i < MAX_NUM_OPERATING_POINTS; ++i)
seq_params->tier[i] = (oxcf->tier_mask >> i) & 1;
} else {
av1_set_frame_sb_size(cm, new_sb_size);
}
cpi->td.sb_size = cm->sb_size;
if (initial_dimensions->width || sb_size != cm->sb_size) {
if (cm->width > initial_dimensions->width ||
cm->height > initial_dimensions->height || cm->sb_size != sb_size) {
av1_free_context_buffers(cm);
av1_free_shared_coeff_buffer(&cpi->td.shared_coeff_buf);
av1_free_sms_tree(&cpi->td);
#if CONFIG_EXT_RECUR_PARTITIONS
av1_free_sms_bufs(&cpi->td);
#endif // CONFIG_EXT_RECUR_PARTITIONS
av1_free_pmc(cpi->td.firstpass_ctx, av1_num_planes(cm));
cpi->td.firstpass_ctx = NULL;
alloc_compressor_data(cpi);
realloc_segmentation_maps(cpi);
initial_dimensions->width = initial_dimensions->height = 0;
}
}
update_frame_size(cpi);
rc->is_src_frame_alt_ref = 0;
av1_set_tile_info(cm, &cpi->oxcf.tile_cfg);
cpi->ext_flags.refresh_frame.update_pending = 0;
cpi->ext_flags.refresh_frame_context_pending = 0;
cpi->ext_flags.refresh_frame.all_ref_frames = 1;
highbd_set_var_fns(cpi);
// Init sequence level coding tools
// This should not be called after the first key frame.
if (!cpi->seq_params_locked) {
seq_params->operating_points_cnt_minus_1 =
(cm->number_spatial_layers > 1 || cm->number_temporal_layers > 1)
? cm->number_spatial_layers * cm->number_temporal_layers - 1
: 0;
av1_init_seq_coding_tools(&cm->seq_params, cm, oxcf);
}
// restore the value of lag_in_frame for LAP stage.
if (lap_lag_in_frames != -1) {
cpi->oxcf.gf_cfg.lag_in_frames = lap_lag_in_frames;
}
bool subgop_config_changed = false;
if (aom_strcmp(cpi->subgop_config_path, oxcf->subgop_config_path)) {
aom_free(cpi->subgop_config_path);
cpi->subgop_config_path = NULL;
if (oxcf->subgop_config_path != NULL) {
cpi->subgop_config_path =
(char *)aom_malloc((strlen(oxcf->subgop_config_path) + 1) *
sizeof(*oxcf->subgop_config_path));
strcpy(cpi->subgop_config_path, oxcf->subgop_config_path);
}
subgop_config_changed = true;
}
if (aom_strcmp(cpi->subgop_config_str, oxcf->subgop_config_str)) {
aom_free(cpi->subgop_config_str);
cpi->subgop_config_str = NULL;
if (oxcf->subgop_config_str != NULL) {
cpi->subgop_config_str =
(char *)aom_malloc((strlen(oxcf->subgop_config_str) + 1) *
sizeof(*oxcf->subgop_config_str));
strcpy(cpi->subgop_config_str, oxcf->subgop_config_str);
}
subgop_config_changed = true;
}
if (subgop_config_changed && cpi->compressor_stage == ENCODE_STAGE) {
av1_init_subgop_config_set(&cpi->subgop_config_set);
// Parse config file first
av1_process_subgop_config_set_fromfile(cpi->subgop_config_path,
&cpi->subgop_config_set);
// Parse config string next, which may override config file configs
// or append to it.
av1_process_subgop_config_set(cpi->subgop_config_str,
&cpi->subgop_config_set);
if (cpi->print_per_frame_stats) {
printf("Successfully processed %d subgop configs.\n",
cpi->subgop_config_set.num_configs);
// Print out the configuration. Note the printed configuration
// is in fact in the config file format that can be parsed back.
av1_print_subgop_config_set(&cpi->subgop_config_set);
}
}
}
static INLINE void init_frame_info(FRAME_INFO *frame_info,
const AV1_COMMON *const cm) {
const CommonModeInfoParams *const mi_params = &cm->mi_params;
const SequenceHeader *const seq_params = &cm->seq_params;
frame_info->frame_width = cm->width;
frame_info->frame_height = cm->height;
frame_info->mi_cols = mi_params->mi_cols;
frame_info->mi_rows = mi_params->mi_rows;
frame_info->mb_cols = mi_params->mb_cols;
frame_info->mb_rows = mi_params->mb_rows;
frame_info->num_mbs = mi_params->MBs;
frame_info->bit_depth = seq_params->bit_depth;
frame_info->subsampling_x = seq_params->subsampling_x;
frame_info->subsampling_y = seq_params->subsampling_y;
}
static INLINE void init_tip_ref_frame(AV1_COMMON *const cm) {
cm->tip_ref.tip_frame = aom_calloc(1, sizeof(*cm->tip_ref.tip_frame));
#if CONFIG_TIP_DIRECT_FRAME_MV
cm->tip_ref.tmp_tip_frame = aom_calloc(1, sizeof(*cm->tip_ref.tmp_tip_frame));
#endif // CONFIG_TIP_DIRECT_FRAME_MV
}
static INLINE void free_tip_ref_frame(AV1_COMMON *const cm) {
aom_free_frame_buffer(&cm->tip_ref.tip_frame->buf);
aom_free(cm->tip_ref.tip_frame);
#if CONFIG_TIP_DIRECT_FRAME_MV
aom_free_frame_buffer(&cm->tip_ref.tmp_tip_frame->buf);
aom_free(cm->tip_ref.tmp_tip_frame);
#endif // CONFIG_TIP_DIRECT_FRAME_MV
}
#if CONFIG_OPTFLOW_ON_TIP
static INLINE void init_optflow_bufs(AV1_COMMON *const cm) {
cm->dst0_16_tip = aom_memalign(32, 8 * 8 * sizeof(uint16_t));
cm->dst1_16_tip = aom_memalign(32, 8 * 8 * sizeof(uint16_t));
cm->gx0 = aom_memalign(32, 2 * 8 * 8 * sizeof(*cm->gx0));
cm->gx1 = aom_memalign(32, 2 * 8 * 8 * sizeof(*cm->gx1));
cm->gy0 = cm->gx0 + (8 * 8);
cm->gy1 = cm->gx1 + (8 * 8);
}
static INLINE void free_optflow_bufs(AV1_COMMON *const cm) {
aom_free(cm->dst0_16_tip);
aom_free(cm->dst1_16_tip);
aom_free(cm->gx0);
aom_free(cm->gx1);
}
#endif // CONFIG_OPTFLOW_ON_TIP
AV1_COMP *av1_create_compressor(AV1EncoderConfig *oxcf, BufferPool *const pool,
FIRSTPASS_STATS *frame_stats_buf,
COMPRESSOR_STAGE stage, int num_lap_buffers,
int lap_lag_in_frames,
STATS_BUFFER_CTX *stats_buf_context) {
AV1_COMP *volatile const cpi = aom_memalign(32, sizeof(AV1_COMP));
AV1_COMMON *volatile const cm = cpi != NULL ? &cpi->common : NULL;
if (!cm) return NULL;
av1_zero(*cpi);
// The jmp_buf is valid only for the duration of the function that calls
// setjmp(). Therefore, this function must reset the 'setjmp' field to 0
// before it returns.
if (setjmp(cm->error.jmp)) {
cm->error.setjmp = 0;
av1_remove_compressor(cpi);
return 0;
}
#if DEBUG_EXTQUANT
cm->fEncCoeffLog = fopen("EncCoeffLog.txt", "wt");
#endif
cm->error.setjmp = 1;
cpi->lap_enabled = num_lap_buffers > 0;
cpi->compressor_stage = stage;
CommonModeInfoParams *const mi_params = &cm->mi_params;
mi_params->free_mi = enc_free_mi;
mi_params->setup_mi = enc_setup_mi;
mi_params->set_mb_mi = (cpi->compressor_stage == LAP_STAGE)
? stat_stage_set_mb_mi
: enc_set_mb_mi;
mi_params->mi_alloc_bsize = BLOCK_4X4;
CHECK_MEM_ERROR(cm, cm->fc,
(FRAME_CONTEXT *)aom_memalign(32, sizeof(*cm->fc)));
CHECK_MEM_ERROR(
cm, cm->default_frame_context,
(FRAME_CONTEXT *)aom_memalign(32, sizeof(*cm->default_frame_context)));
memset(cm->fc, 0, sizeof(*cm->fc));
memset(cm->default_frame_context, 0, sizeof(*cm->default_frame_context));
cpi->common.buffer_pool = pool;
init_config(cpi, oxcf);
if (cpi->compressor_stage == LAP_STAGE) {
cpi->oxcf.gf_cfg.lag_in_frames = lap_lag_in_frames;
}
cpi->frames_left = cpi->oxcf.input_cfg.limit;
av1_rc_init(&cpi->oxcf, 0, &cpi->rc);
// For two pass and lag_in_frames > 33 in LAP.
cpi->rc.enable_scenecut_detection = ENABLE_SCENECUT_MODE_2;
if (cpi->lap_enabled) {
if ((num_lap_buffers <
(MAX_GF_LENGTH_LAP + SCENE_CUT_KEY_TEST_INTERVAL + 1)) &&
num_lap_buffers >= (MAX_GF_LENGTH_LAP + 3)) {
/*
* For lag in frames >= 19 and <33, enable scenecut
* with limited future frame prediction.
*/
cpi->rc.enable_scenecut_detection = ENABLE_SCENECUT_MODE_1;
} else if (num_lap_buffers < (MAX_GF_LENGTH_LAP + 3)) {
// Disable scenecut when lag_in_frames < 19.
cpi->rc.enable_scenecut_detection = DISABLE_SCENECUT;
}
}
init_frame_info(&cpi->frame_info, cm);
cm->current_frame.frame_number = 0;
cm->current_frame.key_frame_number = 0;
cm->current_frame_id = -1;
cpi->seq_params_locked = 0;
cpi->partition_search_skippable_frame = 0;
cpi->tile_data = NULL;
cpi->last_show_frame_buf = NULL;
realloc_segmentation_maps(cpi);
cpi->b_calculate_psnr = CONFIG_INTERNAL_STATS;
#if CONFIG_INTERNAL_STATS
cpi->b_calculate_blockiness = 1;
cpi->b_calculate_consistency = 1;
cpi->total_inconsistency = 0;
cpi->psnr[0].worst = 100.0;
cpi->psnr[1].worst = 100.0;
cpi->worst_ssim = 100.0;
cpi->count[0] = 0;
cpi->count[1] = 0;
cpi->bytes = 0;
#if CONFIG_SPEED_STATS
cpi->tx_search_count = 0;
#endif // CONFIG_SPEED_STATS
if (cpi->b_calculate_psnr) {
cpi->total_sq_error[0] = 0;
cpi->total_samples[0] = 0;
cpi->total_sq_error[1] = 0;
cpi->total_samples[1] = 0;
cpi->tot_recode_hits = 0;
cpi->summed_quality = 0;
cpi->summed_weights = 0;
}
cpi->fastssim.worst = 100.0;
cpi->psnrhvs.worst = 100.0;
if (cpi->b_calculate_blockiness) {
cpi->total_blockiness = 0;
cpi->worst_blockiness = 0.0;
}
if (cpi->b_calculate_consistency) {
CHECK_MEM_ERROR(
cm, cpi->ssim_vars,
aom_malloc(sizeof(*cpi->ssim_vars) * 4 * cpi->common.mi_params.mi_rows *
cpi->common.mi_params.mi_cols));
cpi->worst_consistency = 100.0;
}
#endif
#if CONFIG_ENTROPY_STATS
av1_zero(aggregate_fc);
#endif // CONFIG_ENTROPY_STATS
cpi->time_stamps.first_ever = INT64_MAX;
#ifdef OUTPUT_YUV_REC
yuv_rec_file = fopen("rec.yuv", "wb");
#endif
assert(MAX_LAP_BUFFERS >= MAX_LAG_BUFFERS);
int size = get_stats_buf_size(num_lap_buffers, MAX_LAG_BUFFERS);
for (int i = 0; i < size; i++)
cpi->twopass.frame_stats_arr[i] = &frame_stats_buf[i];
cpi->twopass.stats_buf_ctx = stats_buf_context;
cpi->twopass.stats_in = cpi->twopass.stats_buf_ctx->stats_in_start;
if (is_stat_consumption_stage(cpi)) {
av1_init_single_pass_lap(cpi);
}
int sb_mi_size = av1_get_sb_mi_size(cm);
alloc_obmc_buffers(&cpi->td.mb.obmc_buffer, cm);
for (int x = 0; x < 2; x++)
for (int y = 0; y < 2; y++)
CHECK_MEM_ERROR(
cm, cpi->td.mb.intrabc_hash_info.hash_value_buffer[x][y],
(uint32_t *)aom_malloc(
AOM_BUFFER_SIZE_FOR_BLOCK_HASH *
sizeof(*cpi->td.mb.intrabc_hash_info.hash_value_buffer[0][0])));
cpi->td.mb.intrabc_hash_info.g_crc_initialized = 0;
CHECK_MEM_ERROR(cm, cpi->td.mb.mbmi_ext,
aom_calloc(sb_mi_size, sizeof(*cpi->td.mb.mbmi_ext)));
av1_set_speed_features_framesize_independent(cpi, oxcf->speed);
av1_set_speed_features_framesize_dependent(cpi, oxcf->speed);
CHECK_MEM_ERROR(cm, cpi->consec_zero_mv,
aom_calloc((mi_params->mi_rows * mi_params->mi_cols) >> 2,
sizeof(*cpi->consec_zero_mv)));
#if CONFIG_SCC_DETERMINATION
cpi->palette_pixel_num = 0;
#endif // CONFIG_SCC_DETERMINATION
{
const BLOCK_SIZE bsize = BLOCK_16X16;
const int w = mi_size_wide[bsize];
const int h = mi_size_high[bsize];
const int num_cols = (mi_params->mi_cols + w - 1) / w;
const int num_rows = (mi_params->mi_rows + h - 1) / h;
CHECK_MEM_ERROR(cm, cpi->tpl_rdmult_scaling_factors,
aom_calloc(num_rows * num_cols,
sizeof(*cpi->tpl_rdmult_scaling_factors)));
CHECK_MEM_ERROR(cm, cpi->tpl_sb_rdmult_scaling_factors,
aom_calloc(num_rows * num_cols,
sizeof(*cpi->tpl_sb_rdmult_scaling_factors)));
}
{
const BLOCK_SIZE bsize = BLOCK_16X16;
const int w = mi_size_wide[bsize];
const int h = mi_size_high[bsize];
const int num_cols = (mi_params->mi_cols + w - 1) / w;
const int num_rows = (mi_params->mi_rows + h - 1) / h;
CHECK_MEM_ERROR(cm, cpi->ssim_rdmult_scaling_factors,
aom_calloc(num_rows * num_cols,
sizeof(*cpi->ssim_rdmult_scaling_factors)));
}
#if CONFIG_TUNE_VMAF
{
const BLOCK_SIZE bsize = BLOCK_64X64;
const int w = mi_size_wide[bsize];
const int h = mi_size_high[bsize];
const int num_cols = (mi_params->mi_cols + w - 1) / w;
const int num_rows = (mi_params->mi_rows + h - 1) / h;
CHECK_MEM_ERROR(cm, cpi->vmaf_info.rdmult_scaling_factors,
aom_calloc(num_rows * num_cols,
sizeof(*cpi->vmaf_info.rdmult_scaling_factors)));
for (int i = 0; i < MAX_ARF_LAYERS; i++) {
cpi->vmaf_info.last_frame_unsharp_amount[i] = -1.0;
cpi->vmaf_info.last_frame_ysse[i] = -1.0;
cpi->vmaf_info.last_frame_vmaf[i] = -1.0;
cpi->vmaf_info.best_unsharp_amount[i] = -1.0;
}
cpi->vmaf_info.original_qindex = -1;
#if CONFIG_USE_VMAF_RC
cpi->vmaf_info.vmaf_model = NULL;
#endif
}
#endif
#if CONFIG_COLLECT_PARTITION_STATS == 2
av1_zero(cpi->partition_stats);
#endif
highbd_set_var_fns(cpi);
/* av1_init_quantizer() is first called here. Add check in
* av1_frame_init_quantizer() so that av1_init_quantizer is only
* called later when needed. This will avoid unnecessary calls of
* av1_init_quantizer() for every frame.
*/
av1_init_quantizer(&cm->seq_params, &cpi->enc_quant_dequant_params,
&cm->quant_params);
av1_qm_init(&cm->quant_params, av1_num_planes(cm));
av1_loop_filter_init(cm);
cm->superres_scale_denominator = SCALE_NUMERATOR;
cm->superres_upscaled_width = oxcf->frm_dim_cfg.width;
cm->superres_upscaled_height = oxcf->frm_dim_cfg.height;
av1_loop_restoration_precal();
init_tip_ref_frame(cm);
#if CONFIG_OPTFLOW_ON_TIP
init_optflow_bufs(cm);
#endif // CONFIG_OPTFLOW_ON_TIP
cm->error.setjmp = 0;
return cpi;
}
#if CONFIG_INTERNAL_STATS
#define SNPRINT(H, T) snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T))
#define SNPRINT2(H, T, V) \
snprintf((H) + strlen(H), sizeof(H) - strlen(H), (T), (V))
#endif // CONFIG_INTERNAL_STATS
// This function will change the state and free the mutex of corresponding
// workers and terminate the object. The object can not be re-used unless a call
// to reset() is made.
static AOM_INLINE void terminate_worker_data(AV1_COMP *cpi) {
MultiThreadInfo *const mt_info = &cpi->mt_info;
for (int t = mt_info->num_workers - 1; t >= 0; --t) {
AVxWorker *const worker = &mt_info->workers[t];
aom_get_worker_interface()->end(worker);
}
}
// Deallocate allocated thread_data.
static AOM_INLINE void free_thread_data(AV1_COMP *cpi) {
MultiThreadInfo *const mt_info = &cpi->mt_info;
AV1_COMMON *cm = &cpi->common;
for (int t = 0; t < mt_info->num_workers; ++t) {
EncWorkerData *const thread_data = &mt_info->tile_thr_data[t];
aom_free(thread_data->td->tctx);
if (t == 0) continue;
aom_free(thread_data->td->palette_buffer);
aom_free(thread_data->td->tmp_conv_dst);
release_compound_type_rd_buffers(&thread_data->td->comp_rd_buffer);
for (int j = 0; j < 2; ++j) {
aom_free(thread_data->td->tmp_pred_bufs[j]);
}
release_obmc_buffers(&thread_data->td->obmc_buffer);
aom_free(thread_data->td->vt64x64);
aom_free(thread_data->td->mb.inter_modes_info);
for (int x = 0; x < 2; x++) {
for (int y = 0; y < 2; y++) {
aom_free(thread_data->td->hash_value_buffer[x][y]);
thread_data->td->hash_value_buffer[x][y] = NULL;
}
}
aom_free(thread_data->td->counts);
aom_free(thread_data->td->mbmi_ext);
av1_free_pmc(thread_data->td->firstpass_ctx, av1_num_planes(cm));
thread_data->td->firstpass_ctx = NULL;
av1_free_shared_coeff_buffer(&thread_data->td->shared_coeff_buf);
av1_free_sms_tree(thread_data->td);
#if CONFIG_EXT_RECUR_PARTITIONS
av1_free_sms_bufs(thread_data->td);
#endif // CONFIG_EXT_RECUR_PARTITIONS
aom_free(thread_data->td);
}
}
void av1_remove_compressor(AV1_COMP *cpi) {
if (!cpi) return;
AV1_COMMON *cm = &cpi->common;
if (cm->current_frame.frame_number > 0) {
#if CONFIG_ENTROPY_STATS
if (!is_stat_generation_stage(cpi)) {
fprintf(stderr, "Writing counts.stt\n");
FILE *f = fopen("counts.stt", "wb");
fwrite(&aggregate_fc, sizeof(aggregate_fc), 1, f);
fclose(f);
}
#endif // CONFIG_ENTROPY_STATS
#if CONFIG_INTERNAL_STATS
aom_clear_system_state();
if (!is_stat_generation_stage(cpi)) {
char headings[512] = { 0 };
char results[512] = { 0 };
FILE *f = fopen("opsnr.stt", "a");
double time_encoded =
(cpi->time_stamps.prev_end_seen - cpi->time_stamps.first_ever) /
10000000.000;
double total_encode_time =
(cpi->time_receive_data + cpi->time_compress_data) / 1000.000;
const double dr =
(double)cpi->bytes * (double)8 / (double)1000 / time_encoded;
const double peak =
(double)((1 << cpi->oxcf.input_cfg.input_bit_depth) - 1);
const double target_rate =
(double)cpi->oxcf.rc_cfg.target_bandwidth / 1000;
const double rate_err = ((100.0 * (dr - target_rate)) / target_rate);
if (cpi->b_calculate_psnr) {
const double total_psnr =
aom_sse_to_psnr((double)cpi->total_samples[0], peak,
(double)cpi->total_sq_error[0]);
const double total_ssim =
100 * pow(cpi->summed_quality / cpi->summed_weights, 8.0);
snprintf(headings, sizeof(headings),
"Bitrate\tAVGPsnr\tGLBPsnr\tAVPsnrP\tGLPsnrP\t"
"AOMSSIM\tVPSSIMP\tFASTSIM\tPSNRHVS\t"
"WstPsnr\tWstSsim\tWstFast\tWstHVS\t"
"AVPsrnY\tAPsnrCb\tAPsnrCr");
snprintf(results, sizeof(results),
"%7.2f\t%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
"%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
"%7.3f\t%7.3f\t%7.3f\t%7.3f\t"
"%7.3f\t%7.3f\t%7.3f",
dr, cpi->psnr[0].stat[STAT_ALL] / cpi->count[0], total_psnr,
cpi->psnr[0].stat[STAT_ALL] / cpi->count[0], total_psnr,
total_ssim, total_ssim,
cpi->fastssim.stat[STAT_ALL] / cpi->count[0],
cpi->psnrhvs.stat[STAT_ALL] / cpi->count[0],
cpi->psnr[0].worst, cpi->worst_ssim, cpi->fastssim.worst,
cpi->psnrhvs.worst, cpi->psnr[0].stat[STAT_Y] / cpi->count[0],
cpi->psnr[0].stat[STAT_U] / cpi->count[0],
cpi->psnr[0].stat[STAT_V] / cpi->count[0]);
if (cpi->b_calculate_blockiness) {
SNPRINT(headings, "\t Block\tWstBlck");
SNPRINT2(results, "\t%7.3f", cpi->total_blockiness / cpi->count[0]);
SNPRINT2(results, "\t%7.3f", cpi->worst_blockiness);
}
if (cpi->b_calculate_consistency) {
double consistency =
aom_sse_to_psnr((double)cpi->total_samples[0], peak,
(double)cpi->total_inconsistency);
SNPRINT(headings, "\tConsist\tWstCons");
SNPRINT2(results, "\t%7.3f", consistency);
SNPRINT2(results, "\t%7.3f", cpi->worst_consistency);
}
SNPRINT(headings, "\t Time\tRcErr\tAbsErr");
SNPRINT2(results, "\t%8.0f", total_encode_time);
SNPRINT2(results, " %7.2f", rate_err);
SNPRINT2(results, " %7.2f", fabs(rate_err));
SNPRINT(headings, "\tAPsnr611");
SNPRINT2(results, " %7.3f",
(6 * cpi->psnr[0].stat[STAT_Y] + cpi->psnr[0].stat[STAT_U] +
cpi->psnr[0].stat[STAT_V]) /
(cpi->count[0] * 8));
const uint32_t in_bit_depth = cpi->oxcf.input_cfg.input_bit_depth;
const uint32_t bit_depth = cpi->td.mb.e_mbd.bd;
if (in_bit_depth < bit_depth) {
const double peak_hbd = (double)((1 << bit_depth) - 1);
const double total_psnr_hbd =
aom_sse_to_psnr((double)cpi->total_samples[1], peak_hbd,
(double)cpi->total_sq_error[1]);
SNPRINT(headings,
"\t AVGPsnrH GLBPsnrH AVPsnrPH GLPsnrPH"
" AVPsnrYH APsnrCbH APsnrCrH WstPsnrH");
SNPRINT2(results, "\t%7.3f",
cpi->psnr[1].stat[STAT_ALL] / cpi->count[1]);
SNPRINT2(results, " %7.3f", total_psnr_hbd);
SNPRINT2(results, " %7.3f",
cpi->psnr[1].stat[STAT_ALL] / cpi->count[1]);
SNPRINT2(results, " %7.3f", total_psnr_hbd);
SNPRINT2(results, " %7.3f",
cpi->psnr[1].stat[STAT_Y] / cpi->count[1]);
SNPRINT2(results, " %7.3f",
cpi->psnr[1].stat[STAT_U] / cpi->count[1]);
SNPRINT2(results, " %7.3f",
cpi->psnr[1].stat[STAT_V] / cpi->count[1]);
SNPRINT2(results, " %7.3f", cpi->psnr[1].worst);
}
fprintf(f, "%s\n", headings);
fprintf(f, "%s\n", results);
}
fclose(f);
}
#endif // CONFIG_INTERNAL_STATS
#if CONFIG_SPEED_STATS
if (!is_stat_generation_stage(cpi)) {
fprintf(stdout, "tx_search_count = %d\n", cpi->tx_search_count);
}
#endif // CONFIG_SPEED_STATS
#if CONFIG_COLLECT_PARTITION_STATS == 2
if (!is_stat_generation_stage(cpi)) {
av1_print_partition_stats(&cpi->partition_stats);
}
#endif
}
TplParams *const tpl_data = &cpi->tpl_data;
for (int frame = 0; frame < MAX_LAG_BUFFERS; ++frame) {
aom_free(tpl_data->tpl_stats_pool[frame]);
aom_free_frame_buffer(&tpl_data->tpl_rec_pool[frame]);
}
if (cpi->compressor_stage != LAP_STAGE) {
terminate_worker_data(cpi);
free_thread_data(cpi);
}
MultiThreadInfo *const mt_info = &cpi->mt_info;
#if CONFIG_MULTITHREAD
pthread_mutex_t *const enc_row_mt_mutex_ = mt_info->enc_row_mt.mutex_;
pthread_mutex_t *const gm_mt_mutex_ = mt_info->gm_sync.mutex_;
if (enc_row_mt_mutex_ != NULL) {
pthread_mutex_destroy(enc_row_mt_mutex_);
aom_free(enc_row_mt_mutex_);
}
if (gm_mt_mutex_ != NULL) {
pthread_mutex_destroy(gm_mt_mutex_);
aom_free(gm_mt_mutex_);
}
#endif
av1_row_mt_mem_dealloc(cpi);
if (cpi->compressor_stage != LAP_STAGE) {
aom_free(mt_info->tile_thr_data);
aom_free(mt_info->workers);
}
av1_tpl_dealloc(&tpl_data->tpl_mt_sync);
if (mt_info->num_workers > 1) {
av1_loop_filter_dealloc(&mt_info->lf_row_sync);
av1_loop_restoration_dealloc(&mt_info->lr_row_sync, mt_info->num_workers);
av1_gm_dealloc(&mt_info->gm_sync);
}
dealloc_compressor_data(cpi);
free_ibp_info(cm->ibp_directional_weights);
#if CONFIG_INTERNAL_STATS
aom_free(cpi->ssim_vars);
cpi->ssim_vars = NULL;
#endif // CONFIG_INTERNAL_STATS
free_tip_ref_frame(cm);
#if CONFIG_OPTFLOW_ON_TIP
free_optflow_bufs(cm);
#endif // CONFIG_OPTFLOW_ON_TIP
av1_remove_common(cm);
av1_free_ref_frame_buffers(cm->buffer_pool);
#if DEBUG_EXTQUANT
if (cpi->common.fEncCoeffLog != NULL) {
fclose(cpi->common.fEncCoeffLog);
}
#endif
aom_free(cpi->subgop_config_str);
aom_free(cpi->subgop_config_path);
aom_free(cpi);
#ifdef OUTPUT_YUV_REC
fclose(yuv_rec_file);
#endif
}
static void generate_psnr_packet(AV1_COMP *cpi) {
struct aom_codec_cx_pkt pkt;
int i;
PSNR_STATS psnr;
const uint32_t in_bit_depth = cpi->oxcf.input_cfg.input_bit_depth;
const uint32_t bit_depth = cpi->td.mb.e_mbd.bd;
aom_calc_highbd_psnr(cpi->source, &cpi->common.cur_frame->buf, &psnr,
bit_depth, in_bit_depth);
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];
}
if (in_bit_depth < bit_depth) {
for (i = 0; i < 4; ++i) {
pkt.data.psnr.samples_hbd[i] = psnr.samples_hbd[i];
pkt.data.psnr.sse_hbd[i] = psnr.sse_hbd[i];
pkt.data.psnr.psnr_hbd[i] = psnr.psnr_hbd[i];
}
}
pkt.kind = AOM_CODEC_PSNR_PKT;
aom_codec_pkt_list_add(cpi->output_pkt_list, &pkt);
}
int av1_use_as_reference(int *ext_ref_frame_flags, int ref_frame_flags) {
if (ref_frame_flags > ((1 << INTER_REFS_PER_FRAME) - 1)) return -1;
*ext_ref_frame_flags = ref_frame_flags;
return 0;
}
int av1_copy_reference_enc(AV1_COMP *cpi, int idx, YV12_BUFFER_CONFIG *sd) {
AV1_COMMON *const cm = &cpi->common;
const int num_planes = av1_num_planes(cm);
YV12_BUFFER_CONFIG *cfg = get_ref_frame(cm, idx);
if (cfg) {
aom_yv12_copy_frame(cfg, sd, num_planes);
return 0;
} else {
return -1;
}
}
int av1_set_reference_enc(AV1_COMP *cpi, int idx, YV12_BUFFER_CONFIG *sd) {
AV1_COMMON *const cm = &cpi->common;
const int num_planes = av1_num_planes(cm);
YV12_BUFFER_CONFIG *cfg = get_ref_frame(cm, idx);
if (cfg) {
aom_yv12_copy_frame(sd, cfg, num_planes);
return 0;
} else {
return -1;
}
}
#ifdef OUTPUT_YUV_REC
void aom_write_one_yuv_frame(AV1_COMMON *cm, YV12_BUFFER_CONFIG *s) {
uint16_t *src = s->y_buffer;
int h = cm->height;
if (yuv_rec_file == NULL) return;
do {
fwrite(src, s->y_width, 2, yuv_rec_file);
src += s->y_stride;
} while (--h);
src = s->u_buffer;
h = s->uv_height;
do {
fwrite(src, s->uv_width, 2, yuv_rec_file);
src += s->uv_stride;
} while (--h);
src = s->v_buffer;
h = s->uv_height;
do {
fwrite(src, s->uv_width, 2, yuv_rec_file);
src += s->uv_stride;
} while (--h);
fflush(yuv_rec_file);
return;
}
#endif // OUTPUT_YUV_REC
static void set_mv_search_params(AV1_COMP *cpi) {
const AV1_COMMON *const cm = &cpi->common;
MotionVectorSearchParams *const mv_search_params = &cpi->mv_search_params;
const int max_mv_def = AOMMAX(cm->width, cm->height);
// Default based on max resolution.
mv_search_params->mv_step_param = av1_init_search_range(max_mv_def);
if (cpi->sf.mv_sf.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.
mv_search_params->max_mv_magnitude = max_mv_def;
} else {
// Use cpi->max_mv_magnitude == -1 to exclude first pass case.
if (cm->show_frame && mv_search_params->max_mv_magnitude != -1) {
// 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.
mv_search_params->mv_step_param = av1_init_search_range(
AOMMIN(max_mv_def, 2 * mv_search_params->max_mv_magnitude));
}
mv_search_params->max_mv_magnitude = -1;
}
}
}
// counts_1: Counts of blocks with no more than color_thresh colors.
// counts_2: Counts of blocks with no more than color_thresh colors and
// variance larger than var_thresh.
static void set_hole_fill_decision(AV1_COMP *cpi, int width, int height,
int blk_w, int blk_h, int counts_1,
int counts_2) {
AV1_COMMON *const cm = &cpi->common;
const bool is_720p_or_larger = AOMMIN(cm->width, cm->height) >= 720;
const bool is_4k_or_larger = AOMMIN(cm->width, cm->height) >= 2160;
if (is_4k_or_larger) {
cm->seq_params.enable_tip_hole_fill = 1;
} else if (!is_720p_or_larger) {
cm->seq_params.enable_tip_hole_fill = 0;
} else {
const int a[4] = { 168, -555, -7690, 25007 };
const int norm = (width * height) / (blk_h * blk_w);
const int64_t decision =
a[0] + (int64_t)a[1] * counts_1 / norm +
(int64_t)a[2] * counts_2 / norm +
(int64_t)a[3] * counts_1 * counts_2 / (norm * norm);
if (decision > 0) {
cm->seq_params.enable_tip_hole_fill = 1;
} else {
cm->seq_params.enable_tip_hole_fill = 0;
}
}
}
#if CONFIG_IMPROVED_CFL
static void subtract_average_c(uint16_t *src, int16_t *dst, int width,
int height, int round_offset, int num_pel_log2) {
int sum = round_offset;
const uint16_t *recon = src;
for (int j = 0; j < height; ++j) {
for (int i = 0; i < width; ++i) {
sum += recon[i];
}
recon += CFL_BUF_LINE;
}
const int avg = sum / num_pel_log2;
for (int j = 0; j < height; ++j) {
for (int i = 0; i < width; ++i) {
dst[i] = src[i] - avg;
src[i] = avg;
}
src += CFL_BUF_LINE;
dst += CFL_BUF_LINE;
}
}
static int64_t compute_sad(const uint16_t *src, uint16_t *src2, int width,
int height, int round_offset, int src2_stride) {
int sad = round_offset;
for (int j = 0; j < height; ++j) {
for (int i = 0; i < width; ++i) {
sad += abs(src[i] - src2[i]);
}
src += CFL_BUF_LINE;
src2 += src2_stride;
}
return sad;
}
static void cfl_predict_hbd_pre_analysis(const int16_t *ac_buf_q3,
uint16_t *dst, int dst_stride,
int alpha_q3, int bit_depth, int width,
int height) {
for (int j = 0; j < height; ++j) {
for (int i = 0; i < width; ++i) {
dst[i] = clip_pixel_highbd(
get_scaled_luma_q0(alpha_q3, ac_buf_q3[i]) + dst[i], bit_depth);
}
dst += dst_stride;
ac_buf_q3 += CFL_BUF_LINE;
}
}
static void cfl_predict_hbd_dc(const uint16_t *src, uint16_t *dst,
int src_stride, int width, int height) {
int dc_val = 0;
const uint16_t *chroma = src;
for (int i = 0; i < width; ++i) {
dc_val += src[i];
}
chroma += src_stride;
for (int j = 0; j < height; ++j) {
dc_val += chroma[-1];
chroma += src_stride;
}
dc_val = dc_val / (width + height);
for (int j = 0; j < height; ++j) {
for (int i = 0; i < width; ++i) {
dst[i] = dc_val;
}
dst += CFL_BUF_LINE;
}
}
static void cfl_luma_subsampling_420_hbd_c(const uint16_t *input,
int input_stride,
uint16_t *output_q3, int width,
int height) {
for (int j = 0; j < height; j += 2) {
for (int i = 0; i < width; i += 2) {
const int bot = i + input_stride;
output_q3[i >> 1] =
(input[i] + input[i + 1] + input[bot] + input[bot + 1]) << 1;
}
input += input_stride << 1;
output_q3 += CFL_BUF_LINE;
}
}
void av1_set_downsample_filter_options(AV1_COMP *cpi) {
AV1_COMMON *cm = &cpi->common;
const uint16_t *src = cpi->unfiltered_source->y_buffer;
uint16_t *src_chroma_u = cpi->unfiltered_source->u_buffer;
uint16_t *src_chroma_v = cpi->unfiltered_source->v_buffer;
assert(src != NULL);
const int stride = cpi->unfiltered_source->y_stride;
const int width = cpi->unfiltered_source->y_width;
const int height = cpi->unfiltered_source->y_height;
const int bd = cm->seq_params.bit_depth;
const int chroma_stride = cpi->unfiltered_source->uv_stride;
const int subsampling_x = cpi->unfiltered_source->subsampling_x;
const int subsampling_y = cpi->unfiltered_source->subsampling_y;
if (subsampling_x == 0 && subsampling_y == 0) {
cm->seq_params.enable_cfl_ds_filter =
0; // For 4:4:4 chroma format, downsampling filter is not used. There
// is a redundant that the filter index is still signalled for
// 4:4:4. Should we remove the index signalling for 4:4:4 with this
// MR?
return;
}
const int blk_w = 16;
const int blk_h = 16;
uint16_t recon_buf_q3[CFL_BUF_SQUARE];
uint16_t dc_buf_q3[CFL_BUF_SQUARE];
// Q3 AC contributions (reconstructed luma pixels - tx block avg)
int16_t ac_buf_q3[CFL_BUF_SQUARE];
int64_t cost[3] = { 0, 0, 0 };
for (int filter_type = 0; filter_type < 3; ++filter_type) {
for (int comp = 0; comp < 2; comp++) {
for (int r = 2; r + blk_h <= height - 2; r += blk_h) {
for (int c = 2; c + blk_w <= width - 2; c += blk_w) {
const uint16_t *const this_src = src + r * stride + c;
uint16_t *this_src_chroma = src_chroma_u +
(r >> subsampling_y) * chroma_stride +
(c >> subsampling_x);
if (comp) {
this_src_chroma = src_chroma_v +
(r >> subsampling_y) * chroma_stride +
(c >> subsampling_x);
}
int alpha = 0;
if (subsampling_x == 1 && subsampling_y == 0) {
cfl_adaptive_luma_subsampling_422_hbd_c(
this_src, stride, recon_buf_q3, blk_w, blk_h, filter_type);
} else if (filter_type == 1) {
cfl_luma_subsampling_420_hbd_121_c(this_src, stride, recon_buf_q3,
blk_w, blk_h);
} else if (filter_type == 2) {
cfl_luma_subsampling_420_hbd_colocated(this_src, stride,
recon_buf_q3, blk_w, blk_h);
} else {
cfl_luma_subsampling_420_hbd_c(this_src, stride, recon_buf_q3,
blk_w, blk_h);
}
cfl_derive_block_implicit_scaling_factor(
recon_buf_q3, this_src_chroma, blk_w >> subsampling_x,
blk_h >> subsampling_y, CFL_BUF_LINE, chroma_stride, &alpha);
subtract_average_c(
recon_buf_q3, ac_buf_q3, blk_w >> subsampling_x,
blk_h >> subsampling_y, 4,
(blk_w >> subsampling_x) * (blk_h >> subsampling_y));
cfl_predict_hbd_dc(this_src_chroma - chroma_stride, dc_buf_q3,
chroma_stride, blk_w >> subsampling_x,
blk_h >> subsampling_y);
cfl_predict_hbd_pre_analysis(ac_buf_q3, dc_buf_q3, CFL_BUF_LINE,
alpha, bd, blk_w >> subsampling_x,
blk_h >> subsampling_y);
int64_t filter_cost =
compute_sad(dc_buf_q3, this_src_chroma, blk_w >> 1, blk_h >> 1, 2,
chroma_stride);
cost[filter_type] = cost[filter_type] + filter_cost;
}
}
}
}
int64_t min_cost = INT64_MAX;
for (int i = 0; i < 3; ++i) {
if (cost[i] < min_cost) {
min_cost = cost[i];
cm->seq_params.enable_cfl_ds_filter = i;
}
}
}
#endif // CONFIG_IMPROVED_CFL
void av1_set_screen_content_options(AV1_COMP *cpi, FeatureFlags *features) {
const AV1_COMMON *const cm = &cpi->common;
if (cm->seq_params.force_screen_content_tools != 2) {
features->allow_screen_content_tools = features->allow_intrabc =
cm->seq_params.force_screen_content_tools;
return;
}
if (cpi->oxcf.tune_cfg.content == AOM_CONTENT_SCREEN) {
features->allow_screen_content_tools = features->allow_intrabc = 1;
return;
}
// Estimate if the source frame is screen content, based on the portion of
// blocks that have few luma colors.
const uint16_t *src = cpi->unfiltered_source->y_buffer;
assert(src != NULL);
const int stride = cpi->unfiltered_source->y_stride;
const int width = cpi->unfiltered_source->y_width;
const int height = cpi->unfiltered_source->y_height;
const int bd = cm->seq_params.bit_depth;
const int blk_w = 16;
const int blk_h = 16;
// These threshold values are selected experimentally.
const int color_thresh = 4;
const unsigned int var_thresh = 0;
// Counts of blocks with no more than color_thresh colors.
int counts_1 = 0;
// Counts of blocks with no more than color_thresh colors and variance larger
// than var_thresh.
int counts_2 = 0;
for (int r = 0; r + blk_h <= height; r += blk_h) {
for (int c = 0; c + blk_w <= width; c += blk_w) {
int count_buf[1 << 8]; // Maximum (1 << 8) bins for hbd path.
const uint16_t *const this_src = src + r * stride + c;
int n_colors;
av1_count_colors_highbd(this_src, stride, blk_w, blk_h, bd, NULL,
count_buf, &n_colors, NULL);
if (n_colors > 1 && n_colors <= color_thresh) {
++counts_1;
struct buf_2d buf;
buf.stride = stride;
buf.buf = (uint16_t *)this_src;
const unsigned int var =
av1_high_get_sby_perpixel_variance(cpi, &buf, BLOCK_16X16, bd);
if (var > var_thresh) ++counts_2;
}
}
}
const int col_factor = 11;
const int var_factor = 12;
// The threshold values are selected experimentally.
features->allow_screen_content_tools =
counts_1 * blk_h * blk_w * col_factor > width * height;
// IntraBC would force loop filters off, so we use more strict rules that also
// requires that the block has high variance.
features->allow_intrabc =
features->allow_screen_content_tools &&
counts_2 * blk_h * blk_w * var_factor > width * height;
if (frame_is_intra_only(cm) && cm->seq_params.enable_tip) {
set_hole_fill_decision(cpi, width, height, blk_w, blk_h, counts_1,
counts_2);
}
}
// Function pointer to search site config initialization
// of different search method functions.
typedef void (*av1_init_search_site_config)(search_site_config *cfg,
int stride);
av1_init_search_site_config
av1_init_motion_compensation[NUM_DISTINCT_SEARCH_METHODS] = {
av1_init_dsmotion_compensation, av1_init_motion_compensation_nstep,
av1_init_motion_compensation_hex, av1_init_motion_compensation_bigdia,
av1_init_motion_compensation_square
};
static void init_motion_estimation(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
MotionVectorSearchParams *const mv_search_params = &cpi->mv_search_params;
const int y_stride = cpi->scaled_source.y_stride;
const int y_stride_src = ((cpi->oxcf.frm_dim_cfg.width != cm->width ||
cpi->oxcf.frm_dim_cfg.height != cm->height) ||
av1_superres_scaled(cm))
? y_stride
: cpi->lookahead->buf->img.y_stride;
int fpf_y_stride = cm->cur_frame != NULL ? cm->cur_frame->buf.y_stride
: cpi->scaled_source.y_stride;
// Update if search_site_cfg is uninitialized or the current frame has a new
// stride
const int should_update =
!mv_search_params->search_site_cfg[SS_CFG_SRC][DIAMOND].stride ||
!mv_search_params->search_site_cfg[SS_CFG_LOOKAHEAD][DIAMOND].stride ||
(y_stride !=
mv_search_params->search_site_cfg[SS_CFG_SRC][DIAMOND].stride);
if (!should_update) {
return;
}
// Initialization of search_site_cfg for NUM_DISTINCT_SEARCH_METHODS.
for (SEARCH_METHODS i = DIAMOND; i < NUM_DISTINCT_SEARCH_METHODS; i++) {
av1_init_motion_compensation[i](
&mv_search_params->search_site_cfg[SS_CFG_SRC][i], y_stride);
av1_init_motion_compensation[i](
&mv_search_params->search_site_cfg[SS_CFG_LOOKAHEAD][i], y_stride_src);
}
// First pass search site config initialization.
av1_init_motion_fpf(&mv_search_params->search_site_cfg[SS_CFG_FPF][DIAMOND],
fpf_y_stride);
for (SEARCH_METHODS i = NSTEP; i < NUM_DISTINCT_SEARCH_METHODS; i++) {
memcpy(&mv_search_params->search_site_cfg[SS_CFG_FPF][i],
&mv_search_params->search_site_cfg[SS_CFG_FPF][DIAMOND],
sizeof(search_site_config));
}
}
#define COUPLED_CHROMA_FROM_LUMA_RESTORATION 0
#if !CONFIG_LR_IMPROVEMENTS
static void set_restoration_unit_size(int width, int height, int sx, int sy,
RestorationInfo *rst) {
(void)width;
(void)height;
(void)sx;
(void)sy;
#if COUPLED_CHROMA_FROM_LUMA_RESTORATION
int s = AOMMIN(sx, sy);
#else
int s = 0;
#endif // !COUPLED_CHROMA_FROM_LUMA_RESTORATION
if (width * height > 352 * 288)
rst[0].restoration_unit_size = RESTORATION_UNITSIZE_MAX;
else
rst[0].restoration_unit_size = (RESTORATION_UNITSIZE_MAX >> 1);
rst[1].restoration_unit_size = rst[0].restoration_unit_size >> s;
rst[2].restoration_unit_size = rst[1].restoration_unit_size;
}
#endif // !CONFIG_LR_IMPROVEMENTS
static void init_ref_frame_bufs(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
int i;
BufferPool *const pool = cm->buffer_pool;
cm->cur_frame = NULL;
for (i = 0; i < REF_FRAMES; ++i) {
cm->ref_frame_map[i] = NULL;
}
for (i = 0; i < FRAME_BUFFERS; ++i) {
pool->frame_bufs[i].ref_count = 0;
}
}
void av1_check_initial_width(AV1_COMP *cpi, int subsampling_x,
int subsampling_y) {
AV1_COMMON *const cm = &cpi->common;
SequenceHeader *const seq_params = &cm->seq_params;
InitialDimensions *const initial_dimensions = &cpi->initial_dimensions;
if (!initial_dimensions->width ||
seq_params->subsampling_x != subsampling_x ||
seq_params->subsampling_y != subsampling_y) {
seq_params->subsampling_x = subsampling_x;
seq_params->subsampling_y = subsampling_y;
av1_set_speed_features_framesize_independent(cpi, cpi->oxcf.speed);
av1_set_speed_features_framesize_dependent(cpi, cpi->oxcf.speed);
if (!is_stat_generation_stage(cpi)) {
alloc_altref_frame_buffer(cpi);
alloc_util_frame_buffers(cpi);
}
init_ref_frame_bufs(cpi);
init_motion_estimation(cpi); // TODO(agrange) This can be removed.
initial_dimensions->width = cm->width;
initial_dimensions->height = cm->height;
cpi->initial_mbs = cm->mi_params.MBs;
}
}
// Returns 1 if the assigned width or height was <= 0.
int av1_set_size_literal(AV1_COMP *cpi, int width, int height) {
AV1_COMMON *cm = &cpi->common;
InitialDimensions *const initial_dimensions = &cpi->initial_dimensions;
av1_check_initial_width(cpi, cm->seq_params.subsampling_x,
cm->seq_params.subsampling_y);
if (width <= 0 || height <= 0) return 1;
cm->width = width;
cm->height = height;
if (initial_dimensions->width && initial_dimensions->height &&
(cm->width > initial_dimensions->width ||
cm->height > initial_dimensions->height)) {
av1_free_context_buffers(cm);
av1_free_shared_coeff_buffer(&cpi->td.shared_coeff_buf);
av1_free_sms_tree(&cpi->td);
#if CONFIG_EXT_RECUR_PARTITIONS
av1_free_sms_bufs(&cpi->td);
#endif // CONFIG_EXT_RECUR_PARTITIONS
av1_free_pmc(cpi->td.firstpass_ctx, av1_num_planes(cm));
cpi->td.firstpass_ctx = NULL;
alloc_compressor_data(cpi);
realloc_segmentation_maps(cpi);
initial_dimensions->width = initial_dimensions->height = 0;
}
update_frame_size(cpi);
return 0;
}
static void setup_tip_frame_size(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
RefCntBuffer *tip_frame = cm->tip_ref.tip_frame;
// Reset the frame pointers to the current frame size.
if (aom_realloc_frame_buffer(
&tip_frame->buf, cm->width, cm->height, cm->seq_params.subsampling_x,
cm->seq_params.subsampling_y, cpi->oxcf.border_in_pixels,
cm->features.byte_alignment, NULL, NULL, NULL, 0)) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate frame buffer");
}
tip_frame->frame_type = INTER_FRAME;
#if CONFIG_TIP_DIRECT_FRAME_MV
tip_frame = cm->tip_ref.tmp_tip_frame;
if (aom_realloc_frame_buffer(
&tip_frame->buf, cm->width, cm->height, cm->seq_params.subsampling_x,
cm->seq_params.subsampling_y, cpi->oxcf.border_in_pixels,
cm->features.byte_alignment, NULL, NULL, NULL, 0)) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate frame buffer");
}
tip_frame->frame_type = INTER_FRAME;
#endif // CONFIG_TIP_DIRECT_FRAME_MV
}
void av1_set_frame_size(AV1_COMP *cpi, int width, int height) {
AV1_COMMON *const cm = &cpi->common;
const SequenceHeader *const seq_params = &cm->seq_params;
const int num_planes = av1_num_planes(cm);
MACROBLOCKD *const xd = &cpi->td.mb.e_mbd;
int ref_frame;
if (width != cm->width || height != cm->height) {
// There has been a change in the encoded frame size
av1_set_size_literal(cpi, width, height);
// Recalculate 'all_lossless' in case super-resolution was (un)selected.
cm->features.all_lossless =
cm->features.coded_lossless && !av1_superres_scaled(cm);
av1_noise_estimate_init(&cpi->noise_estimate, cm->width, cm->height);
}
set_mv_search_params(cpi);
if (is_stat_consumption_stage(cpi)) {
av1_set_target_rate(cpi, cm->width, cm->height);
}
alloc_frame_mvs(cm, cm->cur_frame);
// Allocate above context buffers
CommonContexts *const above_contexts = &cm->above_contexts;
if (above_contexts->num_planes < av1_num_planes(cm) ||
above_contexts->num_mi_cols < cm->mi_params.mi_cols ||
above_contexts->num_tile_rows < cm->tiles.rows) {
av1_free_above_context_buffers(above_contexts);
if (av1_alloc_above_context_buffers(above_contexts, cm->tiles.rows,
cm->mi_params.mi_cols,
av1_num_planes(cm)))
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate context buffers");
}
// Reset the frame pointers to the current frame size.
if (aom_realloc_frame_buffer(
&cm->cur_frame->buf, cm->width, cm->height, seq_params->subsampling_x,
seq_params->subsampling_y, cpi->oxcf.border_in_pixels,
cm->features.byte_alignment, NULL, NULL, NULL,
cpi->oxcf.tool_cfg.enable_global_motion))
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate frame buffer");
const int frame_width = cm->superres_upscaled_width;
const int frame_height = cm->superres_upscaled_height;
set_restoration_unit_size(frame_width, frame_height,
seq_params->subsampling_x,
seq_params->subsampling_y, cm->rst_info);
for (int i = 0; i < num_planes; ++i)
cm->rst_info[i].frame_restoration_type = RESTORE_NONE;
#if CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
for (int i = 0; i < num_planes; ++i)
cm->rst_info[i].frame_cross_restoration_type = RESTORE_NONE;
#endif // CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
av1_alloc_restoration_buffers(cm);
if (!is_stat_generation_stage(cpi)) alloc_util_frame_buffers(cpi);
init_motion_estimation(cpi);
for (ref_frame = 0; ref_frame < INTER_REFS_PER_FRAME; ++ref_frame) {
RefCntBuffer *const buf = get_ref_frame_buf(cm, ref_frame);
if (buf != NULL) {
struct scale_factors *sf = get_ref_scale_factors(cm, ref_frame);
av1_setup_scale_factors_for_frame(sf, buf->buf.y_crop_width,
buf->buf.y_crop_height, cm->width,
cm->height);
if (av1_is_scaled(sf)) aom_extend_frame_borders(&buf->buf, num_planes);
}
}
if (cm->seq_params.enable_tip) {
RefCntBuffer *buf = get_ref_frame_buf(cm, TIP_FRAME);
if (buf == NULL || (buf->buf.y_crop_width != cm->width ||
buf->buf.y_crop_height != cm->height)) {
setup_tip_frame_size(cpi);
buf = get_ref_frame_buf(cm, TIP_FRAME);
}
if (buf != NULL) {
struct scale_factors *sf = get_ref_scale_factors(cm, TIP_FRAME);
av1_setup_scale_factors_for_frame(sf, buf->buf.y_crop_width,
buf->buf.y_crop_height, cm->width,
cm->height);
if (av1_is_scaled(sf)) aom_extend_frame_borders(&buf->buf, num_planes);
}
}
av1_setup_scale_factors_for_frame(&cm->sf_identity, cm->width, cm->height,
cm->width, cm->height);
set_ref_ptrs(cm, xd, 0, 0);
}
#if CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
static void save_pre_filter_frame(AV1_COMP *cpi, AV1_COMMON *cm) {
(void)cpi;
YV12_BUFFER_CONFIG *frame = &cm->cur_frame->buf;
YV12_BUFFER_CONFIG *pre_filter_frame = &cm->pre_rst_frame;
const SequenceHeader *const seq_params = &cm->seq_params;
const int frame_width = frame->crop_widths[0];
const int frame_height = frame->crop_heights[0];
if (aom_realloc_frame_buffer(
pre_filter_frame, frame_width, frame_height,
seq_params->subsampling_x, seq_params->subsampling_y,
AOM_RESTORATION_FRAME_BORDER, cm->features.byte_alignment, NULL, NULL,
NULL, 0) < 0)
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Failed to allocate restoration dst buffer");
const int num_planes = av1_num_planes(cm);
aom_yv12_copy_frame(frame, pre_filter_frame, num_planes);
}
#endif // CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
/*!\brief Select and apply cdef filters and switchable restoration filters
*
* \ingroup high_level_algo
*/
static void cdef_restoration_frame(AV1_COMP *cpi, AV1_COMMON *cm,
MACROBLOCKD *xd, int use_restoration,
int use_cdef) {
#if CONFIG_CCSO
uint16_t *rec_uv[CCSO_NUM_COMPONENTS];
uint16_t *org_uv[CCSO_NUM_COMPONENTS];
uint16_t *ext_rec_y = NULL;
uint16_t *ref_buffer;
const YV12_BUFFER_CONFIG *ref = cpi->source;
int ref_stride;
const int use_ccso = !cm->features.coded_lossless && !cm->tiles.large_scale &&
cm->seq_params.enable_ccso;
const int num_planes = av1_num_planes(cm);
av1_setup_dst_planes(xd->plane, &cm->cur_frame->buf, 0, 0, 0, num_planes,
NULL);
const int ccso_stride = xd->plane[0].dst.width;
const int ccso_stride_ext = xd->plane[0].dst.width + (CCSO_PADDING_SIZE << 1);
for (int pli = 0; pli < num_planes; pli++) {
rec_uv[pli] = aom_malloc(sizeof(*rec_uv[pli]) * xd->plane[0].dst.height *
ccso_stride);
org_uv[pli] = aom_malloc(sizeof(*org_uv[pli]) * xd->plane[0].dst.height *
ccso_stride);
}
if (use_ccso) {
ext_rec_y =
aom_malloc(sizeof(*ext_rec_y) *
(xd->plane[0].dst.height + (CCSO_PADDING_SIZE << 1)) *
(xd->plane[0].dst.width + (CCSO_PADDING_SIZE << 1)));
for (int pli = 0; pli < 1; pli++) {
const int pic_height = xd->plane[pli].dst.height;
const int pic_width = xd->plane[pli].dst.width;
const int dst_stride = xd->plane[pli].dst.stride;
for (int r = 0; r < pic_height; ++r) {
for (int c = 0; c < pic_width; ++c) {
if (pli == 0)
ext_rec_y[(r + CCSO_PADDING_SIZE) * ccso_stride_ext + c +
CCSO_PADDING_SIZE] =
xd->plane[pli].dst.buf[r * dst_stride + c];
}
}
}
extend_ccso_border(ext_rec_y, CCSO_PADDING_SIZE, xd);
}
#endif
MultiThreadInfo *const mt_info = &cpi->mt_info;
const int num_workers = mt_info->num_workers;
if (use_restoration)
av1_loop_restoration_save_boundary_lines(&cm->cur_frame->buf, cm, 0);
if (use_cdef) {
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, cdef_time);
#endif
// Find CDEF parameters
av1_cdef_search(&cm->cur_frame->buf, cpi->source, cm, xd,
cpi->sf.lpf_sf.cdef_pick_method, cpi->td.mb.rdmult);
// Apply the filter
#if CONFIG_FIX_CDEF_SYNTAX
if (cm->cdef_info.cdef_frame_enable)
#endif // CONFIG_FIX_CDEF_SYNTAX
av1_cdef_frame(&cm->cur_frame->buf, cm, xd);
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, cdef_time);
#endif
} else {
#if CONFIG_FIX_CDEF_SYNTAX
cm->cdef_info.cdef_frame_enable = 0;
#else
cm->cdef_info.cdef_bits = 0;
cm->cdef_info.cdef_strengths[0] = 0;
cm->cdef_info.nb_cdef_strengths = 1;
cm->cdef_info.cdef_uv_strengths[0] = 0;
#endif // CONFIG_FIX_CDEF_SYNTAX
}
#if CONFIG_CCSO
if (use_ccso) {
av1_setup_dst_planes(xd->plane, &cm->cur_frame->buf, 0, 0, 0, num_planes,
NULL);
// Reading original and reconstructed chroma samples as input
#if CONFIG_CCSO_EXT
for (int pli = 0; pli < num_planes; pli++) {
#else
for (int pli = 1; pli < num_planes; pli++) {
#endif
const int pic_height = xd->plane[pli].dst.height;
const int pic_width = xd->plane[pli].dst.width;
const int dst_stride = xd->plane[pli].dst.stride;
switch (pli) {
case 0:
ref_buffer = ref->y_buffer;
ref_stride = ref->y_stride;
break;
case 1:
ref_buffer = ref->u_buffer;
ref_stride = ref->uv_stride;
break;
case 2:
ref_buffer = ref->v_buffer;
ref_stride = ref->uv_stride;
break;
default: ref_stride = 0;
}
for (int r = 0; r < pic_height; ++r) {
for (int c = 0; c < pic_width; ++c) {
rec_uv[pli][r * ccso_stride + c] =
xd->plane[pli].dst.buf[r * dst_stride + c];
org_uv[pli][r * ccso_stride + c] = ref_buffer[r * ref_stride + c];
}
}
}
ccso_search(cm, xd, cpi->td.mb.rdmult, ext_rec_y, rec_uv, org_uv);
ccso_frame(&cm->cur_frame->buf, cm, xd, ext_rec_y);
aom_free(ext_rec_y);
}
#if CONFIG_CCSO_EXT
for (int pli = 0; pli < num_planes; pli++) {
#else
for (int pli = 1; pli < num_planes; pli++) {
#endif
aom_free(rec_uv[pli]);
aom_free(org_uv[pli]);
}
#endif
av1_superres_post_encode(cpi);
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, loop_restoration_time);
#endif
if (use_restoration) {
av1_loop_restoration_save_boundary_lines(&cm->cur_frame->buf, cm, 1);
av1_pick_filter_restoration(cpi->source, cpi);
#if CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
save_pre_filter_frame(cpi, cm);
if (num_workers > 1)
av1_loop_restoration_filter_frame_mt(
&cm->cur_frame->buf, cm, 0, mt_info->workers, num_workers,
&mt_info->lr_row_sync, &cpi->lr_ctxt);
else
av1_loop_restoration_filter_frame(&cm->cur_frame->buf, cm, 0,
&cpi->lr_ctxt);
// restore luma component of the frame
aom_yv12_copy_y(&cm->pre_rst_frame, &cm->cur_frame->buf);
av1_pick_cross_filter_restoration(cpi->source, cpi);
// restore chroma components of the frame
aom_yv12_copy_u(&cm->pre_rst_frame, &cm->cur_frame->buf);
aom_yv12_copy_v(&cm->pre_rst_frame, &cm->cur_frame->buf);
#endif // CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
if (cm->rst_info[0].frame_restoration_type != RESTORE_NONE ||
cm->rst_info[1].frame_restoration_type != RESTORE_NONE ||
cm->rst_info[2].frame_restoration_type != RESTORE_NONE
#if CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
|| cm->rst_info[0].frame_cross_restoration_type != RESTORE_NONE ||
cm->rst_info[1].frame_cross_restoration_type != RESTORE_NONE ||
cm->rst_info[2].frame_cross_restoration_type != RESTORE_NONE
#endif // CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
) {
if (num_workers > 1)
av1_loop_restoration_filter_frame_mt(
&cm->cur_frame->buf, cm, 0, mt_info->workers, num_workers,
&mt_info->lr_row_sync, &cpi->lr_ctxt);
else
av1_loop_restoration_filter_frame(&cm->cur_frame->buf, cm, 0,
&cpi->lr_ctxt);
}
} else {
cm->rst_info[0].frame_restoration_type = RESTORE_NONE;
cm->rst_info[1].frame_restoration_type = RESTORE_NONE;
cm->rst_info[2].frame_restoration_type = RESTORE_NONE;
#if CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
cm->rst_info[0].frame_cross_restoration_type = RESTORE_NONE;
cm->rst_info[1].frame_cross_restoration_type = RESTORE_NONE;
cm->rst_info[2].frame_cross_restoration_type = RESTORE_NONE;
#endif // CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
}
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, loop_restoration_time);
#endif
}
/*!\brief Select and apply in-loop deblocking filters, cdef filters, and
* restoration filters
*
* \ingroup high_level_algo
*/
static void loopfilter_frame(AV1_COMP *cpi, AV1_COMMON *cm) {
MultiThreadInfo *const mt_info = &cpi->mt_info;
const int num_workers = mt_info->num_workers;
const int num_planes = av1_num_planes(cm);
MACROBLOCKD *xd = &cpi->td.mb.e_mbd;
assert(IMPLIES(is_lossless_requested(&cpi->oxcf.rc_cfg),
cm->features.coded_lossless && cm->features.all_lossless));
const int use_loopfilter = !cm->features.coded_lossless &&
!cm->tiles.large_scale &&
cpi->oxcf.tool_cfg.enable_deblocking;
const int use_cdef = cm->seq_params.enable_cdef &&
!cm->features.coded_lossless && !cm->tiles.large_scale;
const int use_restoration = cm->seq_params.enable_restoration &&
!cm->features.all_lossless &&
!cm->tiles.large_scale;
struct loopfilter *lf = &cm->lf;
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, loop_filter_time);
#endif
if (use_loopfilter) {
aom_clear_system_state();
av1_pick_filter_level(cpi->source, cpi, cpi->sf.lpf_sf.lpf_pick);
} else {
lf->filter_level[0] = 0;
lf->filter_level[1] = 0;
}
if (lf->filter_level[0] || lf->filter_level[1]) {
if (num_workers > 1)
av1_loop_filter_frame_mt(&cm->cur_frame->buf, cm, xd, 0, num_planes, 0,
#if CONFIG_LPF_MASK
0,
#endif
mt_info->workers, num_workers,
&mt_info->lf_row_sync);
else
av1_loop_filter_frame(&cm->cur_frame->buf, cm, xd,
#if CONFIG_LPF_MASK
0,
#endif
0, num_planes, 0);
}
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, loop_filter_time);
#endif
cdef_restoration_frame(cpi, cm, xd, use_restoration, use_cdef);
}
#if CONFIG_PRIMARY_REF_FRAME_OPT
/*!\brief If the error resilience mode is turned on in the encoding, for frames
* following the error resilient frame, use the last encoded frame as the
* primary reference frame.
*
* \ingroup high_level_algo
*/
static void set_primary_ref_frame_for_error_resilient(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
const int intra_only = cm->current_frame.frame_type == KEY_FRAME ||
cm->current_frame.frame_type == INTRA_ONLY_FRAME;
if (intra_only) {
cpi->error_resilient_frame_seen = 0;
} else if (cm->features.error_resilient_mode) {
cpi->error_resilient_frame_seen = 1;
}
// The error resilient frame always use PRIMARY_REF_NONE. This is already
// handled.
if (cm->features.error_resilient_mode) return;
if (cm->features.primary_ref_frame == PRIMARY_REF_NONE) return;
if (cpi->error_resilient_frame_seen) {
cm->features.primary_ref_frame = PRIMARY_REF_NONE;
// Find the last encoded frame, and use it as the primary ref frame.
const int n_refs = cm->ref_frames_info.num_total_refs;
const RefFrameMapPair *ref_frame_map_pairs = cm->ref_frame_map_pairs;
int i;
for (i = 0; i < n_refs; i++) {
// Get reference frame buffer
RefFrameMapPair cur_ref =
ref_frame_map_pairs[get_ref_frame_map_idx(cm, i)];
if (cur_ref.disp_order == -1) continue;
if (cur_ref.frame_type != INTER_FRAME) continue;
if (cur_ref.disp_order == cpi->last_encoded_frame_order_hint) {
cm->features.primary_ref_frame = i;
break;
}
}
cpi->signal_primary_ref_frame = cm->features.primary_ref_frame !=
cm->features.derived_primary_ref_frame;
if (cm->features.primary_ref_frame == PRIMARY_REF_NONE)
av1_setup_past_independence(cm);
}
}
/*!\brief Set the primary reference frame before encoding a frame.
*
* \ingroup high_level_algo
*/
static void set_primary_ref_frame(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
cpi->signal_primary_ref_frame = 0;
// Got the derived_primary_ref_frame.
cm->features.derived_primary_ref_frame = choose_primary_ref_frame(cm);
// The primary_ref_frame can be set to other refs other than the derived
// one. If that is needed, disable primary_ref_frame search.
cm->features.primary_ref_frame = cm->features.derived_primary_ref_frame;
if (cpi->ext_flags.use_primary_ref_none) {
cm->features.primary_ref_frame = PRIMARY_REF_NONE;
}
// Set primary reference frame while the error resilience mode is turned on.
set_primary_ref_frame_for_error_resilient(cpi);
if (cm->features.primary_ref_frame == PRIMARY_REF_NONE &&
cm->features.derived_primary_ref_frame != PRIMARY_REF_NONE) {
cm->features.derived_primary_ref_frame = PRIMARY_REF_NONE;
cpi->signal_primary_ref_frame = 1;
}
}
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
/*!\brief Encode a frame without the recode loop, usually used in one-pass
* encoding.
*
* \ingroup high_level_algo
*
* \param[in] cpi Top-level encoder structure
*
* \return Returns a value to indicate if the encoding is done successfully.
* \retval #AOM_CODEC_OK
* \retval #AOM_CODEC_ERROR
*/
static int encode_without_recode(AV1_COMP *cpi) {
AV1_COMMON *const cm = &cpi->common;
const QuantizationCfg *const q_cfg = &cpi->oxcf.q_cfg;
ResizePendingParams *const resize_pending_params =
&cpi->resize_pending_params;
const int resize_pending =
(resize_pending_params->width && resize_pending_params->height &&
(cpi->common.width != resize_pending_params->width ||
cpi->common.height != resize_pending_params->height));
int top_index = 0, bottom_index = 0, q = 0;
YV12_BUFFER_CONFIG *unscaled = cpi->unscaled_source;
InterpFilter filter_scaler = EIGHTTAP_SMOOTH;
int phase_scaler = 0;
set_size_independent_vars(cpi);
cpi->source->buf_8bit_valid = 0;
av1_setup_frame_size(cpi);
av1_set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
{
phase_scaler = 8;
// 2:1 scaling.
if ((cm->width << 1) == unscaled->y_crop_width &&
(cm->height << 1) == unscaled->y_crop_height) {
filter_scaler = BILINEAR;
// For lower resolutions use eighttap_smooth.
if (cm->width * cm->height <= 320 * 180) filter_scaler = EIGHTTAP_SMOOTH;
} else if ((cm->width << 2) == unscaled->y_crop_width &&
(cm->height << 2) == unscaled->y_crop_height) {
// 4:1 scaling.
filter_scaler = EIGHTTAP_SMOOTH;
} else if ((cm->width << 2) == 3 * unscaled->y_crop_width &&
(cm->height << 2) == 3 * unscaled->y_crop_height) {
// 4:3 scaling.
// TODO(jianj): Neon optimization for 4:3 scaling for EIGHTTAP has issues.
// See aomedia:2766.
filter_scaler = BILINEAR;
}
}
if (cm->current_frame.frame_type == KEY_FRAME) copy_frame_prob_info(cpi);
#if CONFIG_COLLECT_COMPONENT_TIMING
printf("\n Encoding a frame:");
#endif
aom_clear_system_state();
cpi->source = av1_scale_if_required(cm, unscaled, &cpi->scaled_source,
filter_scaler, phase_scaler, true, false);
if (frame_is_intra_only(cm) || resize_pending != 0) {
memset(cpi->consec_zero_mv, 0,
((cm->mi_params.mi_rows * cm->mi_params.mi_cols) >> 2) *
sizeof(*cpi->consec_zero_mv));
}
if (cpi->unscaled_last_source != NULL) {
cpi->last_source = av1_scale_if_required(
cm, cpi->unscaled_last_source, &cpi->scaled_last_source, filter_scaler,
phase_scaler, true, false);
}
// The code below turns across scale references off, which seems unnecessary.
// So only enable this based on a speed-feature, and if superes_in_recode is
// not allowed. Also consider dropping this segment completely.
if (cpi->sf.hl_sf.disable_unequal_scale_refs &&
!av1_superres_in_recode_allowed(cpi)) {
const MV_REFERENCE_FRAME golden_frame = get_best_past_ref_index(cm);
const MV_REFERENCE_FRAME altref_frame = get_furthest_future_ref_index(cm);
if (golden_frame != NONE_FRAME &&
cm->ref_frame_flags & (1 << golden_frame)) {
const YV12_BUFFER_CONFIG *const ref =
get_ref_frame_yv12_buf(cm, golden_frame);
if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height)
cm->ref_frame_flags ^= (1 << golden_frame);
}
if (altref_frame != NONE_FRAME &&
cm->ref_frame_flags & (1 << altref_frame)) {
const YV12_BUFFER_CONFIG *const ref =
get_ref_frame_yv12_buf(cm, altref_frame);
if (ref->y_crop_width != cm->width || ref->y_crop_height != cm->height)
cm->ref_frame_flags ^= (1 << altref_frame);
}
}
// For SVC the inter-layer/spatial prediction is not done for newmv
// (zero_mode is forced), and since the scaled references are only
// use for newmv search, we can avoid scaling here.
if (!frame_is_intra_only(cm))
av1_scale_references(cpi, filter_scaler, phase_scaler, 1);
av1_set_quantizer(cm, q_cfg->qm_minlevel, q_cfg->qm_maxlevel, q,
q_cfg->enable_chroma_deltaq);
#if CONFIG_PRIMARY_REF_FRAME_OPT
set_primary_ref_frame(cpi);
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
av1_set_speed_features_qindex_dependent(cpi, cpi->oxcf.speed);
av1_init_quantizer(&cm->seq_params, &cpi->enc_quant_dequant_params,
&cm->quant_params);
av1_setup_frame(cpi);
if (q_cfg->aq_mode == CYCLIC_REFRESH_AQ) {
suppress_active_map(cpi);
av1_cyclic_refresh_setup(cpi);
av1_apply_active_map(cpi);
}
if (cm->seg.enabled) {
if (!cm->seg.update_data && cm->prev_frame) {
segfeatures_copy(&cm->seg, &cm->prev_frame->seg);
cm->seg.enabled = cm->prev_frame->seg.enabled;
} else {
av1_calculate_segdata(&cm->seg);
}
} else {
memset(&cm->seg, 0, sizeof(cm->seg));
}
segfeatures_copy(&cm->cur_frame->seg, &cm->seg);
cm->cur_frame->seg.enabled = cm->seg.enabled;
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, av1_encode_frame_time);
#endif
// Set the motion vector precision based on mv stats from the last coded
// frame.
if (!frame_is_intra_only(cm)) {
av1_pick_and_set_high_precision_mv(cpi, q);
} else {
// TODO(chiyotsai@google.com): The frame level mv precision should be set to
// MV_SUBPEL_NONE for more accurate intrabc search. But doing this right now
// will cause an unwanted STATS_CHANGED. Fix this upstream instead.
// av1_set_high_precision_mv(cpi, MV_PRECISION_ONE_PEL);
}
// transform / motion compensation build reconstruction frame
av1_encode_frame(cpi);
// Update some stats from cyclic refresh.
if (q_cfg->aq_mode == CYCLIC_REFRESH_AQ && !frame_is_intra_only(cm))
av1_cyclic_refresh_postencode(cpi);
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, av1_encode_frame_time);
#endif
#if CONFIG_INTERNAL_STATS
++cpi->tot_recode_hits;
#endif
aom_clear_system_state();
return AOM_CODEC_OK;
}
/*!\brief Recode loop for encoding one frame. the purpose of encoding one frame
* for multiple times can be approaching a target bitrate or adjusting the usage
* of global motions.
*
* \ingroup high_level_algo
*
* \param[in] cpi Top-level encoder structure
* \param[in] size Bitstream size
* \param[in] dest Bitstream output
*
* \return Returns a value to indicate if the encoding is done successfully.
* \retval #AOM_CODEC_OK
* \retval -1
* \retval #AOM_CODEC_ERROR
*/
static int encode_with_recode_loop(AV1_COMP *cpi, size_t *size, uint8_t *dest) {
AV1_COMMON *const cm = &cpi->common;
RATE_CONTROL *const rc = &cpi->rc;
GlobalMotionInfo *const gm_info = &cpi->gm_info;
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
const QuantizationCfg *const q_cfg = &oxcf->q_cfg;
const int allow_recode = (cpi->sf.hl_sf.recode_loop != DISALLOW_RECODE);
// Must allow recode if minimum compression ratio is set.
assert(IMPLIES(oxcf->rc_cfg.min_cr > 0, allow_recode));
set_size_independent_vars(cpi);
cpi->source->buf_8bit_valid = 0;
av1_setup_frame_size(cpi);
if (av1_superres_in_recode_allowed(cpi) &&
cpi->superres_mode != AOM_SUPERRES_NONE &&
cm->superres_scale_denominator == SCALE_NUMERATOR) {
// Superres mode is currently enabled, but the denominator selected will
// disable superres. So no need to continue, as we will go through another
// recode loop for full-resolution after this anyway.
return -1;
}
int top_index = 0, bottom_index = 0;
int q = 0, q_low = 0, q_high = 0;
av1_set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
q_low = bottom_index;
q_high = top_index;
if (cm->current_frame.frame_type == KEY_FRAME) copy_frame_prob_info(cpi);
#if CONFIG_COLLECT_COMPONENT_TIMING
printf("\n Encoding a frame:");
#endif
// Determine whether to use screen content tools using two fast encoding.
av1_determine_sc_tools_with_encoding(cpi, q);
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
if (cm->features.allow_intrabc) {
set_max_bvp_drl_bits(cpi);
}
#endif
#if CONFIG_IBC_SR_EXT
if (cm->features.allow_intrabc) {
cm->features.allow_global_intrabc =
(oxcf->kf_cfg.enable_intrabc_ext != 2) && frame_is_intra_only(cm);
cm->features.allow_local_intrabc = !!oxcf->kf_cfg.enable_intrabc_ext;
} else {
cm->features.allow_global_intrabc = 0;
cm->features.allow_local_intrabc = 0;
}
#endif // CONFIG_IBC_SR_EXT
#if CONFIG_USE_VMAF_RC
if (oxcf->tune_cfg.tuning == AOM_TUNE_VMAF_NEG_MAX_GAIN) {
av1_vmaf_neg_preprocessing(cpi, cpi->unscaled_source);
}
#endif
// Loop variables
int loop = 0;
int loop_count = 0;
int overshoot_seen = 0;
int undershoot_seen = 0;
int low_cr_seen = 0;
MvSubpelPrecision last_loop_mv_prec = cm->features.fr_mv_precision;
do {
loop = 0;
aom_clear_system_state();
// if frame was scaled calculate global_motion_search again if already
// done
if (loop_count > 0 && cpi->source && gm_info->search_done) {
if (cpi->source->y_crop_width != cm->width ||
cpi->source->y_crop_height != cm->height) {
gm_info->search_done = 0;
}
}
cpi->source =
av1_scale_if_required(cm, cpi->unscaled_source, &cpi->scaled_source,
EIGHTTAP_REGULAR, 0, false, false);
if (cpi->unscaled_last_source != NULL) {
cpi->last_source = av1_scale_if_required(
cm, cpi->unscaled_last_source, &cpi->scaled_last_source,
EIGHTTAP_REGULAR, 0, false, false);
}
if (!frame_is_intra_only(cm)) {
if (loop_count > 0) {
release_scaled_references(cpi);
}
av1_scale_references(cpi, EIGHTTAP_REGULAR, 0, 0);
}
#if CONFIG_TUNE_VMAF
if (oxcf->tune_cfg.tuning >= AOM_TUNE_VMAF_WITH_PREPROCESSING &&
oxcf->tune_cfg.tuning <= AOM_TUNE_VMAF_NEG_MAX_GAIN) {
cpi->vmaf_info.original_qindex = q;
q = av1_get_vmaf_base_qindex(cpi, q);
}
#endif
av1_set_quantizer(cm, q_cfg->qm_minlevel, q_cfg->qm_maxlevel, q,
q_cfg->enable_chroma_deltaq);
#if CONFIG_PRIMARY_REF_FRAME_OPT
set_primary_ref_frame(cpi);
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
av1_set_speed_features_qindex_dependent(cpi, oxcf->speed);
av1_init_quantizer(&cm->seq_params, &cpi->enc_quant_dequant_params,
&cm->quant_params);
// printf("Frame %d/%d: q = %d, frame_type = %d superres_denom = %d\n",
// cm->current_frame.frame_number, cm->show_frame, q,
// cm->current_frame.frame_type, cm->superres_scale_denominator);
if (loop_count == 0) {
av1_setup_frame(cpi);
} else if (get_primary_ref_frame_buf(cm
#if CONFIG_PRIMARY_REF_FRAME_OPT
,
cm->features.primary_ref_frame
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
) == NULL) {
// Base q-index may have changed, so we need to assign proper default coef
// probs before every iteration.
av1_default_coef_probs(cm);
av1_setup_frame_contexts(cm);
}
if (q_cfg->aq_mode == VARIANCE_AQ) {
av1_vaq_frame_setup(cpi);
} else if (q_cfg->aq_mode == COMPLEXITY_AQ) {
av1_setup_in_frame_q_adj(cpi);
}
if (cm->seg.enabled) {
if (!cm->seg.update_data && cm->prev_frame) {
segfeatures_copy(&cm->seg, &cm->prev_frame->seg);
cm->seg.enabled = cm->prev_frame->seg.enabled;
} else {
av1_calculate_segdata(&cm->seg);
}
} else {
memset(&cm->seg, 0, sizeof(cm->seg));
}
segfeatures_copy(&cm->cur_frame->seg, &cm->seg);
cm->cur_frame->seg.enabled = cm->seg.enabled;
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, av1_encode_frame_time);
#endif
// Set the motion vector precision based on mv stats from the last coded
// frame.
if (!frame_is_intra_only(cm)) {
av1_pick_and_set_high_precision_mv(cpi, q);
// If the precision has changed during different iteration of the loop,
// then we need to reset the global motion vectors
if (loop_count > 0 && cm->features.fr_mv_precision != last_loop_mv_prec) {
gm_info->search_done = 0;
}
last_loop_mv_prec = cm->features.fr_mv_precision;
} else {
// TODO(chiyotsai@google.com): The frame level mv precision should be set
// to MV_SUBPEL_NONE for more accurate intrabc search. But doing this
// right now will cause an unwanted STATS_CHANGED. Fix this upstream
// instead.
// av1_set_high_precision_mv(cpi, MV_PRECISION_ONE_PEL);
}
// transform / motion compensation build reconstruction frame
av1_encode_frame(cpi);
// Reset the mv_stats in case we are interrupted by an intraframe or an
// overlay frame.
if (cpi->mv_stats.valid) {
av1_zero(cpi->mv_stats);
}
// Gather the mv_stats for the next frame
if (cpi->sf.hl_sf.high_precision_mv_usage == LAST_MV_DATA &&
av1_frame_allows_smart_mv(cpi)) {
av1_collect_mv_stats(cpi, q);
}
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, av1_encode_frame_time);
#endif
aom_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.
const int do_dummy_pack =
(cpi->sf.hl_sf.recode_loop >= ALLOW_RECODE_KFARFGF &&
oxcf->rc_cfg.mode != AOM_Q) ||
oxcf->rc_cfg.min_cr > 0;
if (do_dummy_pack) {
av1_finalize_encoded_frame(cpi);
int largest_tile_id = 0; // Output from bitstream: unused here
if (av1_pack_bitstream(cpi, dest, size, &largest_tile_id) !=
AOM_CODEC_OK) {
return AOM_CODEC_ERROR;
}
rc->projected_frame_size = (int)(*size) << 3;
}
#if CONFIG_TUNE_VMAF
if (oxcf->tune_cfg.tuning >= AOM_TUNE_VMAF_WITH_PREPROCESSING &&
oxcf->tune_cfg.tuning <= AOM_TUNE_VMAF_NEG_MAX_GAIN) {
q = cpi->vmaf_info.original_qindex;
}
#endif
if (allow_recode) {
// Update q and decide whether to do a recode loop
recode_loop_update_q(cpi, &loop, &q, &q_low, &q_high, top_index,
bottom_index, &undershoot_seen, &overshoot_seen,
&low_cr_seen, loop_count);
}
// Special case for overlay frame.
if (loop && 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
}
#if CONFIG_COLLECT_COMPONENT_TIMING
if (loop) printf("\n Recoding:");
#endif
} while (loop);
return AOM_CODEC_OK;
}
static INLINE bool allow_tip_direct_output(AV1_COMMON *const cm) {
if (!frame_is_intra_only(cm) && !encode_show_existing_frame(cm) &&
cm->seq_params.enable_tip == 1 && cm->features.tip_frame_mode &&
!av1_superres_scaled(cm)) {
return true;
}
return false;
}
static INLINE int compute_tip_direct_output_mode_RD(AV1_COMP *cpi,
uint8_t *dest, size_t *size,
int64_t *sse, int64_t *rate,
int *largest_tile_id) {
AV1_COMMON *const cm = &cpi->common;
if (allow_tip_direct_output(cm)) {
cm->features.tip_frame_mode = TIP_FRAME_AS_OUTPUT;
#if CONFIG_OPTFLOW_ON_TIP || CONFIG_TIP_DIRECT_FRAME_MV
ThreadData *const td = &cpi->td;
av1_setup_tip_frame(cm, &td->mb.e_mbd, NULL, td->mb.tmp_conv_dst,
av1_tip_enc_calc_subpel_params);
#endif // CONFIG_OPTFLOW_ON_TIP || CONFIG_TIP_DIRECT_FRAME_MV
#if !CONFIG_TIP_DIRECT_FRAME_MV
av1_finalize_encoded_frame(cpi);
if (av1_pack_bitstream(cpi, dest, size, largest_tile_id) != AOM_CODEC_OK)
return AOM_CODEC_ERROR;
#endif // !CONFIG_TIP_DIRECT_FRAME_MV
#if CONFIG_TIP_DIRECT_FRAME_MV
const int64_t rdmult =
av1_compute_rd_mult(cpi, cm->quant_params.base_qindex);
#endif // CONFIG_TIP_DIRECT_FRAME_MV
if (cm->seq_params.enable_pef && cm->features.allow_pef) {
#if CONFIG_TIP_IMPLICIT_QUANT
const int u_ac_delta_q_backup = cm->quant_params.u_ac_delta_q;
const int v_ac_delta_q_backup = cm->quant_params.v_ac_delta_q;
const int base_qindex_backup = cm->quant_params.base_qindex;
if (cm->seq_params.enable_tip_explicit_qp == 0) {
const int avg_u_ac_delta_q =
(cm->tip_ref.ref_frame_buffer[0]->u_ac_delta_q +
cm->tip_ref.ref_frame_buffer[1]->u_ac_delta_q + 1) >>
1;
const int avg_v_ac_delta_q =
(cm->tip_ref.ref_frame_buffer[0]->v_ac_delta_q +
cm->tip_ref.ref_frame_buffer[1]->v_ac_delta_q + 1) >>
1;
const int avg_base_qindex =
(cm->tip_ref.ref_frame_buffer[0]->base_qindex +
cm->tip_ref.ref_frame_buffer[1]->base_qindex + 1) >>
1;
cm->cur_frame->u_ac_delta_q = cm->quant_params.u_ac_delta_q =
avg_u_ac_delta_q;
cm->cur_frame->v_ac_delta_q = cm->quant_params.v_ac_delta_q =
avg_v_ac_delta_q;
cm->cur_frame->base_qindex = cm->quant_params.base_qindex =
avg_base_qindex;
init_pef_parameter(cm, 0, av1_num_planes(cm));
}
#endif // CONFIG_TIP_IMPLICIT_QUANT
enhance_tip_frame(cm, &cpi->td.mb.e_mbd);
#if CONFIG_TIP_IMPLICIT_QUANT
if (cm->seq_params.enable_tip_explicit_qp == 0) {
cm->cur_frame->u_ac_delta_q = cm->quant_params.u_ac_delta_q =
u_ac_delta_q_backup;
cm->cur_frame->v_ac_delta_q = cm->quant_params.v_ac_delta_q =
v_ac_delta_q_backup;
cm->cur_frame->base_qindex = cm->quant_params.base_qindex =
base_qindex_backup;
}
#endif // CONFIG_TIP_IMPLICIT_QUANT
#if CONFIG_TIP_DIRECT_FRAME_MV
aom_extend_frame_borders(&cm->tip_ref.tip_frame->buf, av1_num_planes(cm));
#endif // CONFIG_TIP_DIRECT_FRAME_MV
}
// Compute sse and rate.
YV12_BUFFER_CONFIG *tip_frame_buf = &cm->tip_ref.tip_frame->buf;
#if CONFIG_TIP_DIRECT_FRAME_MV
cm->tip_interp_filter = MULTITAP_SHARP;
const int search_dir[8][2] = {
{ -1, -1 }, { -1, 0 }, { -1, 1 }, { 0, -1 },
{ 0, 1 }, { 1, -1 }, { 1, 0 }, { 1, 1 },
};
int64_t best_sse = aom_highbd_get_y_sse(cpi->source, tip_frame_buf);
best_sse +=
aom_highbd_sse(cpi->source->u_buffer, cpi->source->uv_stride,
tip_frame_buf->u_buffer, tip_frame_buf->uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
best_sse +=
aom_highbd_sse(cpi->source->v_buffer, cpi->source->uv_stride,
tip_frame_buf->v_buffer, tip_frame_buf->uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
int_mv ref_mv;
ref_mv.as_int = 0;
int sym_rate_cost = 1;
int_mv best_mv = ref_mv;
best_sse = (int64_t)RDCOST_DBL_WITH_NATIVE_BD_DIST(
rdmult, (sym_rate_cost << 5), best_sse, cm->seq_params.bit_depth);
int best_center[2] = { 0, 0 };
int search_step = 8;
while (search_step > 0) {
for (int idx = 0; idx < 8; ++idx) {
ref_mv.as_mv.row = best_center[0] + search_dir[idx][0] * search_step;
ref_mv.as_mv.col = best_center[1] + search_dir[idx][1] * search_step;
if (abs(ref_mv.as_mv.row) > 15 || abs(ref_mv.as_mv.col) > 15) continue;
cm->tip_global_motion.as_int = ref_mv.as_int;
av1_setup_tip_frame(cm, &td->mb.e_mbd, NULL, td->mb.tmp_conv_dst,
av1_tip_enc_calc_subpel_params);
if (cm->seq_params.enable_pef && cm->features.allow_pef)
enhance_tip_frame(cm, &cpi->td.mb.e_mbd);
int64_t this_sse = aom_highbd_get_y_sse(cpi->source, tip_frame_buf);
this_sse +=
aom_highbd_sse(cpi->source->u_buffer, cpi->source->uv_stride,
tip_frame_buf->u_buffer, tip_frame_buf->uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
this_sse +=
aom_highbd_sse(cpi->source->v_buffer, cpi->source->uv_stride,
tip_frame_buf->v_buffer, tip_frame_buf->uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
sym_rate_cost = 13;
this_sse = (int64_t)RDCOST_DBL_WITH_NATIVE_BD_DIST(
rdmult, (sym_rate_cost << 5), this_sse, cm->seq_params.bit_depth);
if (this_sse < best_sse) {
best_mv = ref_mv;
best_sse = this_sse;
}
}
best_center[0] = best_mv.as_mv.row;
best_center[1] = best_mv.as_mv.col;
search_step >>= 1;
}
cm->tip_global_motion = best_mv;
best_sse = INT64_MAX;
InterpFilter best_interp_filter = MULTITAP_SHARP;
for (InterpFilter interp_filter = EIGHTTAP_REGULAR;
interp_filter <= MULTITAP_SHARP; ++interp_filter) {
if (interp_filter == EIGHTTAP_SMOOTH) continue;
cm->tip_interp_filter = interp_filter;
av1_setup_tip_frame(cm, &td->mb.e_mbd, NULL, td->mb.tmp_conv_dst,
av1_tip_enc_calc_subpel_params);
if (cm->seq_params.enable_pef && cm->features.allow_pef)
enhance_tip_frame(cm, &cpi->td.mb.e_mbd);
int64_t this_sse = aom_highbd_get_y_sse(cpi->source, tip_frame_buf);
this_sse +=
aom_highbd_sse(cpi->source->u_buffer, cpi->source->uv_stride,
tip_frame_buf->u_buffer, tip_frame_buf->uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
this_sse +=
aom_highbd_sse(cpi->source->v_buffer, cpi->source->uv_stride,
tip_frame_buf->v_buffer, tip_frame_buf->uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
if (this_sse < best_sse) {
best_interp_filter = interp_filter;
best_sse = this_sse;
}
}
cm->tip_interp_filter = best_interp_filter;
av1_finalize_encoded_frame(cpi);
if (av1_pack_bitstream(cpi, dest, size, largest_tile_id) != AOM_CODEC_OK)
return AOM_CODEC_ERROR;
*sse = best_sse;
#else
*sse = aom_highbd_get_y_sse(cpi->source, tip_frame_buf);
#endif // CONFIG_TIP_DIRECT_FRAME_MV
const int64_t bits = (*size << 3);
*rate = (bits << 5); // To match scale.
cm->features.tip_frame_mode = TIP_FRAME_AS_REF;
}
return AOM_CODEC_OK;
}
static INLINE int finalize_tip_mode(AV1_COMP *cpi, uint8_t *dest, size_t *size,
int64_t *sse, int64_t *rate,
int64_t tip_as_output_sse,
int64_t tip_as_output_rate,
int *largest_tile_id) {
AV1_COMMON *const cm = &cpi->common;
int64_t tip_as_ref_sse = INT64_MAX;
int64_t tip_as_ref_rate = INT64_MAX;
if (sse != NULL && rate != NULL) {
tip_as_ref_sse = *sse;
tip_as_ref_rate = *rate;
} else {
tip_as_ref_sse = aom_highbd_get_y_sse(cpi->source, &cm->cur_frame->buf);
#if CONFIG_TIP_DIRECT_FRAME_MV
tip_as_ref_sse += aom_highbd_sse(
cpi->source->u_buffer, cpi->source->uv_stride,
cm->cur_frame->buf.u_buffer, cm->cur_frame->buf.uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
tip_as_ref_sse += aom_highbd_sse(
cpi->source->v_buffer, cpi->source->uv_stride,
cm->cur_frame->buf.v_buffer, cm->cur_frame->buf.uv_stride,
cpi->source->uv_width, cpi->source->uv_height);
#endif // CONFIG_TIP_DIRECT_FRAME_MV
const int64_t bits = (*size << 3);
tip_as_ref_rate = (bits << 5); // To match scale.
}
const int64_t rdmult = av1_compute_rd_mult(cpi, cm->quant_params.base_qindex);
const double normal_coding_rdcost = RDCOST_DBL_WITH_NATIVE_BD_DIST(
rdmult, tip_as_ref_rate, tip_as_ref_sse, cm->seq_params.bit_depth);
const double tip_direct_output_rdcost = RDCOST_DBL_WITH_NATIVE_BD_DIST(
rdmult, tip_as_output_rate, tip_as_output_sse, cm->seq_params.bit_depth);
if (tip_direct_output_rdcost < normal_coding_rdcost) {
cm->features.tip_frame_mode = TIP_FRAME_AS_OUTPUT;
#if CONFIG_TIP_IMPLICIT_QUANT
if (cm->seq_params.enable_tip_explicit_qp == 0) {
const int avg_u_ac_delta_q =
(cm->tip_ref.ref_frame_buffer[0]->u_ac_delta_q +
cm->tip_ref.ref_frame_buffer[1]->u_ac_delta_q + 1) >>
1;
const int avg_v_ac_delta_q =
(cm->tip_ref.ref_frame_buffer[0]->v_ac_delta_q +
cm->tip_ref.ref_frame_buffer[1]->v_ac_delta_q + 1) >>
1;
const int avg_base_qindex =
(cm->tip_ref.ref_frame_buffer[0]->base_qindex +
cm->tip_ref.ref_frame_buffer[1]->base_qindex + 1) >>
1;
cm->cur_frame->u_ac_delta_q = cm->quant_params.u_ac_delta_q =
avg_u_ac_delta_q;
cm->cur_frame->v_ac_delta_q = cm->quant_params.v_ac_delta_q =
avg_v_ac_delta_q;
cm->cur_frame->base_qindex = cm->quant_params.base_qindex =
avg_base_qindex;
}
#endif // CONFIG_TIP_IMPLICIT_QUANT
const int num_planes = av1_num_planes(cm);
av1_copy_tip_frame_tmvp_mvs(cm);
#if CONFIG_TIP_DIRECT_FRAME_MV
ThreadData *const td = &cpi->td;
av1_setup_tip_frame(cm, &td->mb.e_mbd, NULL, td->mb.tmp_conv_dst,
av1_tip_enc_calc_subpel_params);
if (cm->seq_params.enable_pef && cm->features.allow_pef) {
enhance_tip_frame(cm, &cpi->td.mb.e_mbd);
aom_extend_frame_borders(&cm->tip_ref.tip_frame->buf, av1_num_planes(cm));
}
#endif // CONFIG_TIP_DIRECT_FRAME_MV
aom_yv12_copy_frame(&cm->tip_ref.tip_frame->buf, &cm->cur_frame->buf,
num_planes);
cm->lf.filter_level[0] = 0;
cm->lf.filter_level[1] = 0;
#if CONFIG_FIX_CDEF_SYNTAX
cm->cdef_info.cdef_frame_enable = 0;
#else
cm->cdef_info.cdef_bits = 0;
cm->cdef_info.cdef_strengths[0] = 0;
cm->cdef_info.nb_cdef_strengths = 1;
cm->cdef_info.cdef_uv_strengths[0] = 0;
#endif // CONFIG_FIX_CDEF_SYNTAX
cm->rst_info[0].frame_restoration_type = RESTORE_NONE;
cm->rst_info[1].frame_restoration_type = RESTORE_NONE;
cm->rst_info[2].frame_restoration_type = RESTORE_NONE;
#if CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
cm->rst_info[0].frame_cross_restoration_type = RESTORE_NONE;
cm->rst_info[1].frame_cross_restoration_type = RESTORE_NONE;
cm->rst_info[2].frame_cross_restoration_type = RESTORE_NONE;
#endif // CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
for (int i = 0; i < INTER_REFS_PER_FRAME; ++i) {
cm->global_motion[i] = default_warp_params;
cm->cur_frame->global_motion[i] = default_warp_params;
}
cpi->gm_info.search_done = 0;
av1_setup_past_independence(cm);
if (!cm->tiles.large_scale) {
cm->cur_frame->frame_context = *cm->fc;
}
av1_finalize_encoded_frame(cpi);
if (av1_pack_bitstream(cpi, dest, size, largest_tile_id) != AOM_CODEC_OK)
return AOM_CODEC_ERROR;
if (sse != NULL) {
*sse = tip_as_output_sse;
}
if (rate != NULL) {
*rate = tip_as_output_rate;
}
cm->features.tip_frame_mode = TIP_FRAME_AS_REF;
}
#if CONFIG_TIP_DIRECT_FRAME_MV
else {
cm->tip_global_motion.as_int = 0;
cm->tip_interp_filter = MULTITAP_SHARP;
}
#endif // CONFIG_TIP_DIRECT_FRAME_MV
return AOM_CODEC_OK;
}
#if CONFIG_PRIMARY_REF_FRAME_OPT && CONFIG_LR_IMPROVEMENTS
/*!\brief Parameters for representing LR flexible syntax.
*/
typedef struct {
/*!\brief Mask of lr tool(s) to disable */
uint8_t lr_tools_disable_mask[MAX_MB_PLANE];
/*!\brief Number of lr tools enabled */
int lr_tools_count[MAX_MB_PLANE];
/*!\brief Number of lr options in switchable mode */
int lr_switchable_tools_count[MAX_MB_PLANE];
/*!\brief Number of lr modes available at frame level */
int lr_frame_tools_count[MAX_MB_PLANE];
/*!\brief Index of last bit transmitted */
int lr_last_switchable_ndx[MAX_MB_PLANE];
/*!\brief Restoration Type if last bit transmitted is 0 */
int lr_last_switchable_ndx_0_type[MAX_MB_PLANE];
} LrParams;
static void store_lr_parameters(AV1_COMMON *const cm, LrParams *lr_params) {
const int num_planes = av1_num_planes(cm);
FeatureFlags *const fea_params = &cm->features;
for (int i = 0; i < num_planes; ++i) {
lr_params->lr_tools_disable_mask[i] = fea_params->lr_tools_disable_mask[i];
lr_params->lr_tools_count[i] = fea_params->lr_tools_count[i];
lr_params->lr_switchable_tools_count[i] =
fea_params->lr_switchable_tools_count[i];
lr_params->lr_frame_tools_count[i] = fea_params->lr_frame_tools_count[i];
lr_params->lr_last_switchable_ndx[i] =
fea_params->lr_last_switchable_ndx[i];
lr_params->lr_last_switchable_ndx_0_type[i] =
fea_params->lr_last_switchable_ndx_0_type[i];
}
}
static void restore_lr_parameters(AV1_COMMON *const cm,
const LrParams *lr_params) {
const int num_planes = av1_num_planes(cm);
FeatureFlags *const fea_params = &cm->features;
for (int i = 0; i < num_planes; ++i) {
fea_params->lr_tools_disable_mask[i] = lr_params->lr_tools_disable_mask[i];
fea_params->lr_tools_count[i] = lr_params->lr_tools_count[i];
fea_params->lr_switchable_tools_count[i] =
lr_params->lr_switchable_tools_count[i];
fea_params->lr_frame_tools_count[i] = lr_params->lr_frame_tools_count[i];
fea_params->lr_last_switchable_ndx[i] =
lr_params->lr_last_switchable_ndx[i];
fea_params->lr_last_switchable_ndx_0_type[i] =
lr_params->lr_last_switchable_ndx_0_type[i];
}
}
#endif // CONFIG_PRIMARY_REF_FRAME_OPT && CONFIG_LR_IMPROVEMENTS
/*!\brief Recode loop or a single loop for encoding one frame, followed by
* in-loop deblocking filters, CDEF filters, and restoration filters.
*
* \ingroup high_level_algo
* \callgraph
* \callergraph
*
* \param[in] cpi Top-level encoder structure
* \param[in] size Bitstream size
* \param[in] dest Bitstream output
* \param[in] sse Total distortion of the frame
* \param[in] rate Total rate of the frame
* \param[in] largest_tile_id Tile id of the last tile
*
* \return Returns a value to indicate if the encoding is done successfully.
* \retval #AOM_CODEC_OK
* \retval #AOM_CODEC_ERROR
*/
static int encode_with_recode_loop_and_filter(AV1_COMP *cpi, size_t *size,
uint8_t *dest, int64_t *sse,
int64_t *rate,
int *largest_tile_id) {
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, encode_with_recode_loop_time);
#endif
int err;
if (cpi->sf.hl_sf.recode_loop == DISALLOW_RECODE)
err = encode_without_recode(cpi);
else
err = encode_with_recode_loop(cpi, size, dest);
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, encode_with_recode_loop_time);
#endif
if (err != AOM_CODEC_OK) {
if (err == -1) {
// special case as described in encode_with_recode_loop().
// Encoding was skipped.
err = AOM_CODEC_OK;
if (sse != NULL) *sse = INT64_MAX;
if (rate != NULL) *rate = INT64_MAX;
*largest_tile_id = 0;
}
return err;
}
AV1_COMMON *const cm = &cpi->common;
SequenceHeader *const seq_params = &cm->seq_params;
// 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 = aom_highbd_get_y_sse(cpi->source, &cm->cur_frame->buf);
}
cm->cur_frame->buf.color_primaries = seq_params->color_primaries;
cm->cur_frame->buf.transfer_characteristics =
seq_params->transfer_characteristics;
cm->cur_frame->buf.matrix_coefficients = seq_params->matrix_coefficients;
cm->cur_frame->buf.monochrome = seq_params->monochrome;
cm->cur_frame->buf.chroma_sample_position =
seq_params->chroma_sample_position;
cm->cur_frame->buf.color_range = seq_params->color_range;
cm->cur_frame->buf.render_width = cm->render_width;
cm->cur_frame->buf.render_height = cm->render_height;
cm->cur_frame->buf.bit_depth = (unsigned int)seq_params->bit_depth;
#if CONFIG_LR_IMPROVEMENTS
// If superres is used turn off PC_WIENER since tx_skip values will
// not be aligned.
uint8_t master_lr_tools_disable_mask[2] = {
cm->seq_params.lr_tools_disable_mask[0],
cm->seq_params.lr_tools_disable_mask[1]
};
if (av1_superres_scaled(cm)) {
master_lr_tools_disable_mask[0] |= (1 << RESTORE_PC_WIENER);
master_lr_tools_disable_mask[1] |= (1 << RESTORE_PC_WIENER);
}
av1_set_lr_tools(master_lr_tools_disable_mask[0], 0, &cm->features);
av1_set_lr_tools(master_lr_tools_disable_mask[1], 1, &cm->features);
av1_set_lr_tools(master_lr_tools_disable_mask[1], 2, &cm->features);
#endif // CONFIG_LR_IMPROVEMENTS
// Pick the loop filter level for the frame.
if (!is_global_intrabc_allowed(cm)) {
loopfilter_frame(cpi, cm);
} else {
cm->lf.filter_level[0] = 0;
cm->lf.filter_level[1] = 0;
#if CONFIG_FIX_CDEF_SYNTAX
cm->cdef_info.cdef_frame_enable = 0;
#else
cm->cdef_info.cdef_bits = 0;
cm->cdef_info.cdef_strengths[0] = 0;
cm->cdef_info.nb_cdef_strengths = 1;
cm->cdef_info.cdef_uv_strengths[0] = 0;
#endif // CONFIG_FIX_CDEF_SYNTAX
cm->rst_info[0].frame_restoration_type = RESTORE_NONE;
cm->rst_info[1].frame_restoration_type = RESTORE_NONE;
cm->rst_info[2].frame_restoration_type = RESTORE_NONE;
#if CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
cm->rst_info[0].frame_cross_restoration_type = RESTORE_NONE;
cm->rst_info[1].frame_cross_restoration_type = RESTORE_NONE;
cm->rst_info[2].frame_cross_restoration_type = RESTORE_NONE;
#endif // CONFIG_HIGH_PASS_CROSS_WIENER_FILTER
}
int64_t tip_as_output_sse = INT64_MAX;
int64_t tip_as_output_rate = INT64_MAX;
compute_tip_direct_output_mode_RD(cpi, dest, size, &tip_as_output_sse,
&tip_as_output_rate, largest_tile_id);
// TODO(debargha): Fix mv search range on encoder side
// aom_extend_frame_inner_borders(&cm->cur_frame->buf, av1_num_planes(cm));
aom_extend_frame_borders(&cm->cur_frame->buf, av1_num_planes(cm));
#ifdef OUTPUT_YUV_REC
aom_write_one_yuv_frame(cm, &cm->cur_frame->buf);
#endif
#if CONFIG_PRIMARY_REF_FRAME_OPT
// For primary_ref_frame and derived_primary_ref_frame, if one of them is
// PRIMARY_REF_NONE, the other one is also PRIMARY_REF_NONE.
assert(IMPLIES(cm->features.derived_primary_ref_frame == PRIMARY_REF_NONE,
cm->features.primary_ref_frame == PRIMARY_REF_NONE));
assert(IMPLIES(cm->features.primary_ref_frame == PRIMARY_REF_NONE,
cm->features.derived_primary_ref_frame == PRIMARY_REF_NONE));
if (cm->features.primary_ref_frame != PRIMARY_REF_NONE &&
!cm->tiles.large_scale && !cpi->error_resilient_frame_seen) {
const int n_refs = cm->ref_frames_info.num_total_refs;
// int frame_size[REF_FRAMES];
int best_ref_idx = -1;
int best_frame_size = INT32_MAX;
int cur_frame_size = INT32_MAX;
#if CONFIG_LR_IMPROVEMENTS
// Save LR parameters
LrParams lr_params = { { 0 }, { 0 }, { 0 }, { 0 }, { 0 }, { 0 } };
store_lr_parameters(cm, &lr_params);
#endif // CONFIG_LR_IMPROVEMENTS
for (int i = 0; i < n_refs; ++i) {
const int temp_map_idx = get_ref_frame_map_idx(cm, i);
const RefCntBuffer *const temp_ref_buf = cm->ref_frame_map[temp_map_idx];
if (temp_ref_buf->frame_type != INTER_FRAME) continue;
*cm->fc = temp_ref_buf->frame_context;
if (!cm->fc->initialized)
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Uninitialized entropy context.");
av1_finalize_encoded_frame(cpi);
// Storing/restoring cm->features.primary_ref_frame isn't needed here
// since it always takes 3 bits for primary_ref_frame signaling.
// For cases allowing primary_ref_frame search, cpi->signal_primary_ref_
// frame should be 0 before primary_ref_frame search. Here no need to
// store previous cpi->signal_primary_ref_frame value.
// cpi->signal_primary_ref_frame =
// cm->features.derived_primary_ref_frame != i;
size_t temp_size;
int temp_largest_tile_id = 0; // Output from bitstream: unused here
if (av1_pack_bitstream(cpi, dest, &temp_size, &temp_largest_tile_id) !=
AOM_CODEC_OK) {
return AOM_CODEC_ERROR;
}
#if CONFIG_LR_IMPROVEMENTS
restore_lr_parameters(cm, &lr_params);
#endif // CONFIG_LR_IMPROVEMENTS
const int frame_size = (int)(temp_size);
if (cm->features.primary_ref_frame == i) cur_frame_size = frame_size;
if (frame_size < best_frame_size) {
best_frame_size = frame_size;
best_ref_idx = i;
}
}
if (cm->features.primary_ref_frame != best_ref_idx &&
best_frame_size < cur_frame_size) {
cm->features.primary_ref_frame = best_ref_idx;
}
cpi->signal_primary_ref_frame = cm->features.derived_primary_ref_frame !=
cm->features.primary_ref_frame;
const int map_idx =
get_ref_frame_map_idx(cm, cm->features.primary_ref_frame);
const RefCntBuffer *const ref_buf = cm->ref_frame_map[map_idx];
*cm->fc = ref_buf->frame_context;
if (!cm->fc->initialized)
aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
"Uninitialized entropy context.");
}
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
av1_finalize_encoded_frame(cpi);
// Build the bitstream
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, av1_pack_bitstream_final_time);
#endif
if (av1_pack_bitstream(cpi, dest, size, largest_tile_id) != AOM_CODEC_OK)
return AOM_CODEC_ERROR;
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, av1_pack_bitstream_final_time);
#endif
// Compute sse and rate.
if (sse != NULL) {
*sse = aom_highbd_get_y_sse(cpi->source, &cm->cur_frame->buf);
}
if (rate != NULL) {
const int64_t bits = (*size << 3);
*rate = (bits << 5); // To match scale.
}
if (allow_tip_direct_output(cm)) {
finalize_tip_mode(cpi, dest, size, sse, rate, tip_as_output_sse,
tip_as_output_rate, largest_tile_id);
}
#if CONFIG_PRIMARY_REF_FRAME_OPT
cpi->last_encoded_frame_order_hint = cm->current_frame.display_order_hint;
#endif // CONFIG_PRIMARY_REF_FRAME_OPT
return AOM_CODEC_OK;
}
static int encode_with_and_without_superres(AV1_COMP *cpi, size_t *size,
uint8_t *dest,
int *largest_tile_id) {
const AV1_COMMON *const cm = &cpi->common;
assert(cm->seq_params.enable_superres);
assert(av1_superres_in_recode_allowed(cpi));
aom_codec_err_t err = AOM_CODEC_OK;
av1_save_all_coding_context(cpi);
int64_t sse1 = INT64_MAX;
int64_t rate1 = INT64_MAX;
int largest_tile_id1 = 0;
int64_t sse2 = INT64_MAX;
int64_t rate2 = INT64_MAX;
int largest_tile_id2;
double proj_rdcost1 = DBL_MAX;
// Encode with superres.
if (cpi->sf.hl_sf.superres_auto_search_type == SUPERRES_AUTO_ALL) {
SuperResCfg *const superres_cfg = &cpi->oxcf.superres_cfg;
int64_t superres_sses[SCALE_NUMERATOR];
int64_t superres_rates[SCALE_NUMERATOR];
int superres_largest_tile_ids[SCALE_NUMERATOR];
// Use superres for Key-frames and Alt-ref frames only.
const GF_GROUP *const gf_group = &cpi->gf_group;
if (gf_group->update_type[gf_group->index] != OVERLAY_UPDATE &&
gf_group->update_type[gf_group->index] != INTNL_OVERLAY_UPDATE) {
for (int denom = SCALE_NUMERATOR + 1; denom <= 2 * SCALE_NUMERATOR;
++denom) {
superres_cfg->superres_scale_denominator = denom;
superres_cfg->superres_kf_scale_denominator = denom;
const int this_index = denom - (SCALE_NUMERATOR + 1);
cpi->superres_mode = AOM_SUPERRES_AUTO; // Super-res on for this loop.
err = encode_with_recode_loop_and_filter(
cpi, size, dest, &superres_sses[this_index],
&superres_rates[this_index],
&superres_largest_tile_ids[this_index]);
cpi->superres_mode = AOM_SUPERRES_NONE; // Reset to default (full-res).
if (err != AOM_CODEC_OK) return err;
restore_all_coding_context(cpi);
}
// Reset.
superres_cfg->superres_scale_denominator = SCALE_NUMERATOR;
superres_cfg->superres_kf_scale_denominator = SCALE_NUMERATOR;
} else {
for (int denom = SCALE_NUMERATOR + 1; denom <= 2 * SCALE_NUMERATOR;
++denom) {
const int this_index = denom - (SCALE_NUMERATOR + 1);
superres_sses[this_index] = INT64_MAX;
superres_rates[this_index] = INT64_MAX;
}
}
// Encode without superres.
assert(cpi->superres_mode == AOM_SUPERRES_NONE);
err = encode_with_recode_loop_and_filter(cpi, size, dest, &sse2, &rate2,
&largest_tile_id2);
if (err != AOM_CODEC_OK) return err;
// Note: Both use common rdmult based on base qindex of fullres.
const int64_t rdmult =
av1_compute_rd_mult_based_on_qindex(cpi, cm->quant_params.base_qindex);
// Find the best rdcost among all superres denoms.
int best_denom = -1;
for (int denom = SCALE_NUMERATOR + 1; denom <= 2 * SCALE_NUMERATOR;
++denom) {
const int this_index = denom - (SCALE_NUMERATOR + 1);
const int64_t this_sse = superres_sses[this_index];
const int64_t this_rate = superres_rates[this_index];
const int this_largest_tile_id = superres_largest_tile_ids[this_index];
const double this_rdcost = RDCOST_DBL_WITH_NATIVE_BD_DIST(
rdmult, this_rate, this_sse, cm->seq_params.bit_depth);
if (this_rdcost < proj_rdcost1) {
sse1 = this_sse;
rate1 = this_rate;
largest_tile_id1 = this_largest_tile_id;
proj_rdcost1 = this_rdcost;
best_denom = denom;
}
}
const double proj_rdcost2 = RDCOST_DBL_WITH_NATIVE_BD_DIST(
rdmult, rate2, sse2, cm->seq_params.bit_depth);
// Re-encode with superres if it's better.
if (proj_rdcost1 < proj_rdcost2) {
restore_all_coding_context(cpi);
// TODO(urvang): We should avoid rerunning the recode loop by saving
// previous output+state, or running encode only for the selected 'q' in
// previous step.
// Again, temporarily force the best denom.
superres_cfg->superres_scale_denominator = best_denom;
superres_cfg->superres_kf_scale_denominator = best_denom;
int64_t sse3 = INT64_MAX;
int64_t rate3 = INT64_MAX;
cpi->superres_mode =
AOM_SUPERRES_AUTO; // Super-res on for this recode loop.
err = encode_with_recode_loop_and_filter(cpi, size, dest, &sse3, &rate3,
largest_tile_id);
cpi->superres_mode = AOM_SUPERRES_NONE; // Reset to default (full-res).
assert(sse1 == sse3);
assert(rate1 == rate3);
assert(largest_tile_id1 == *largest_tile_id);
// Reset.
superres_cfg->superres_scale_denominator = SCALE_NUMERATOR;
superres_cfg->superres_kf_scale_denominator = SCALE_NUMERATOR;
} else {
*largest_tile_id = largest_tile_id2;
}
} else {
assert(cpi->sf.hl_sf.superres_auto_search_type == SUPERRES_AUTO_DUAL);
cpi->superres_mode =
AOM_SUPERRES_AUTO; // Super-res on for this recode loop.
err = encode_with_recode_loop_and_filter(cpi, size, dest, &sse1, &rate1,
&largest_tile_id1);
cpi->superres_mode = AOM_SUPERRES_NONE; // Reset to default (full-res).
if (err != AOM_CODEC_OK) return err;
restore_all_coding_context(cpi);
// Encode without superres.
assert(cpi->superres_mode == AOM_SUPERRES_NONE);
err = encode_with_recode_loop_and_filter(cpi, size, dest, &sse2, &rate2,
&largest_tile_id2);
if (err != AOM_CODEC_OK) return err;
// Note: Both use common rdmult based on base qindex of fullres.
const int64_t rdmult =
av1_compute_rd_mult_based_on_qindex(cpi, cm->quant_params.base_qindex);
proj_rdcost1 = RDCOST_DBL_WITH_NATIVE_BD_DIST(rdmult, rate1, sse1,
cm->seq_params.bit_depth);
const double proj_rdcost2 = RDCOST_DBL_WITH_NATIVE_BD_DIST(
rdmult, rate2, sse2, cm->seq_params.bit_depth);
// Re-encode with superres if it's better.
if (proj_rdcost1 < proj_rdcost2) {
restore_all_coding_context(cpi);
// TODO(urvang): We should avoid rerunning the recode loop by saving
// previous output+state, or running encode only for the selected 'q' in
// previous step.
int64_t sse3 = INT64_MAX;
int64_t rate3 = INT64_MAX;
cpi->superres_mode =
AOM_SUPERRES_AUTO; // Super-res on for this recode loop.
err = encode_with_recode_loop_and_filter(cpi, size, dest, &sse3, &rate3,
largest_tile_id);
cpi->superres_mode = AOM_SUPERRES_NONE; // Reset to default (full-res).
assert(sse1 == sse3);
assert(rate1 == rate3);
assert(largest_tile_id1 == *largest_tile_id);
} else {
*largest_tile_id = largest_tile_id2;
}
}
return err;
}
extern void av1_print_frame_contexts(const FRAME_CONTEXT *fc,
const char *filename);
/*!\brief Run the final pass encoding for 1-pass/2-pass encoding mode, and pack
* the bitstream
*
* \ingroup high_level_algo
* \callgraph
* \callergraph
*
* \param[in] cpi Top-level encoder structure
* \param[in] size Bitstream size
* \param[in] dest Bitstream output
*
* \return Returns a value to indicate if the encoding is done successfully.
* \retval #AOM_CODEC_OK
* \retval #AOM_CODEC_ERROR
*/
static int encode_frame_to_data_rate(AV1_COMP *cpi, size_t *size,
uint8_t *dest) {
AV1_COMMON *const cm = &cpi->common;
SequenceHeader *const seq_params = &cm->seq_params;
CurrentFrame *const current_frame = &cm->current_frame;
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
struct segmentation *const seg = &cm->seg;
FeatureFlags *const features = &cm->features;
const TileConfig *const tile_cfg = &oxcf->tile_cfg;
#if CONFIG_COLLECT_COMPONENT_TIMING
start_timing(cpi, encode_frame_to_data_rate_time);
#endif
#if CONFIG_IBC_SR_EXT
av1_set_screen_content_options(cpi, features);
#if CONFIG_SCC_DETERMINATION
if (cm->current_frame.frame_type != KEY_FRAME) {
// the current kf_allow_sc_tools will be considered when we set
// allow_screen_content_tools flag for arf frames, in order to reduce
// the chances that could be missed detection as screen content.
if (frame_is_kf_gf_arf(cpi)) {
features->allow_screen_content_tools |= features->kf_allow_sc_tools;
}
} else {
features->kf_allow_sc_tools = features->allow_screen_content_tools;
}
#endif // CONFIG_SCC_DETERMINATION
cpi->is_screen_content_type = features->allow_screen_content_tools;
if (cm->features.allow_intrabc) {
cm->features.allow_global_intrabc =
(oxcf->kf_cfg.enable_intrabc_ext != 2) && frame_is_intra_only(cm);
cm->features.allow_local_intrabc = !!oxcf->kf_cfg.enable_intrabc_ext;
#if CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
set_max_bvp_drl_bits(cpi);
#endif // CONFIG_IBC_BV_IMPROVEMENT && CONFIG_IBC_MAX_DRL
} else {
cm->features.allow_global_intrabc = 0;
cm->features.allow_local_intrabc = 0;
}
#else
if (frame_is_intra_only(cm)) {
av1_set_screen_content_options(cpi, features);
cpi->is_screen_content_type = features->allow_screen_content_tools;
}
#endif // CONFIG_IBC_SR_EXT
#if CONFIG_IMPROVED_CFL
if (cpi->common.current_frame.frame_type == KEY_FRAME) {
av1_set_downsample_filter_options(cpi);
}
#endif // CONFIG_IMPROVED_CFL
// frame type has been decided outside of this function call
cm->cur_frame->frame_type = current_frame->frame_type;
cm->tiles.large_scale = tile_cfg->enable_large_scale_tile;
cm->tiles.single_tile_decoding = tile_cfg->enable_single_tile_decoding;
features->allow_ref_frame_mvs &= frame_might_allow_ref_frame_mvs(cm);
// features->allow_ref_frame_mvs needs to be written into the frame header
// while cm->tiles.large_scale is 1, therefore, "cm->tiles.large_scale=1" case
// is separated from frame_might_allow_ref_frame_mvs().
features->allow_ref_frame_mvs &= !cm->tiles.large_scale;
#if !CONFIG_EXTENDED_WARP_PREDICTION
features->allow_warped_motion = oxcf->motion_mode_cfg.allow_warped_motion &&
frame_might_allow_warped_motion(cm);
#endif // !CONFIG_EXTENDED_WARP_PREDICTION
#if CONFIG_EXTENDED_WARP_PREDICTION
features->allow_warpmv_mode = features->enabled_motion_modes;
#endif // CONFIG_EXTENDED_WARP_PREDICTION
// temporal set of frame level enable_bawp flag.
#if CONFIG_BAWP
features->enable_bawp = seq_params->enable_bawp;
#endif
features->enable_cwp = seq_params->enable_cwp;
#if CONFIG_D071_IMP_MSK_BLD
features->enable_imp_msk_bld = seq_params->enable_imp_msk_bld;
#endif // CONFIG_D071_IMP_MSK_BLD
cpi->last_frame_type = current_frame->frame_type;
if (frame_is_sframe(cm)) {
GF_GROUP *gf_group = &cpi->gf_group;
// S frame will wipe out any previously encoded altref so we cannot place
// an overlay frame
gf_group->update_type[gf_group->size] = GF_UPDATE;
}
const int encode_show_existing = encode_show_existing_frame(cm);
if (encode_show_existing
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
|| cm->show_existing_frame
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
) {
av1_finalize_encoded_frame(cpi);
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
if (encode_show_existing) {
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
// Build the bitstream
int largest_tile_id = 0; // Output from bitstream: unused here
if (av1_pack_bitstream(cpi, dest, size, &largest_tile_id) != AOM_CODEC_OK)
return AOM_CODEC_ERROR;
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
}
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
if (seq_params->frame_id_numbers_present_flag &&
current_frame->frame_type == KEY_FRAME) {
// Displaying a forward key-frame, so reset the ref buffer IDs
int display_frame_id = cm->ref_frame_id[cpi->existing_fb_idx_to_show];
for (int i = 0; i < REF_FRAMES; i++)
cm->ref_frame_id[i] = display_frame_id;
}
cpi->seq_params_locked = 1;
// NOTE: Save the new show frame buffer index for --test-code=warn, i.e.,
// for the purpose to verify no mismatch between encoder and decoder.
if (cm->show_frame) cpi->last_show_frame_buf = cm->cur_frame;
refresh_reference_frames(cpi);
// Since we allocate a spot for the OVERLAY frame in the gf group, we need
// to do post-encoding update accordingly.
if (cpi->rc.is_src_frame_alt_ref) {
av1_set_target_rate(cpi, cm->width, cm->height);
av1_rc_postencode_update(cpi, *size);
}
if (is_psnr_calc_enabled(cpi)) {
cpi->source =
realloc_and_scale_source(cpi, cm->cur_frame->buf.y_crop_width,
cm->cur_frame->buf.y_crop_height);
}
// current_frame->frame_number is incremented already for
// keyframe overlays.
if (!av1_check_keyframe_overlay(cpi->gf_group.index, &cpi->gf_group,
cpi->rc.frames_since_key))
++current_frame->frame_number;
return AOM_CODEC_OK;
}
// Work out whether to force_integer_mv this frame
if (!is_stat_generation_stage(cpi) &&
cpi->common.features.allow_screen_content_tools &&
!frame_is_intra_only(cm)) {
if (cpi->common.seq_params.force_integer_mv == 2) {
// Adaptive mode: see what previous frame encoded did
if (cpi->unscaled_last_source != NULL) {
features->cur_frame_force_integer_mv = av1_is_integer_mv(
cpi->source, cpi->unscaled_last_source, &cpi->force_intpel_info);
} else {
cpi->common.features.cur_frame_force_integer_mv = 0;
}
} else {
cpi->common.features.cur_frame_force_integer_mv =
cpi->common.seq_params.force_integer_mv;
}
} else {
cpi->common.features.cur_frame_force_integer_mv = 0;
}
set_max_drl_bits(cpi);
// Set default state for segment based loop filter update flags.
cm->lf.mode_ref_delta_update = 0;
// Set various flags etc to special state if it is a key frame.
if (frame_is_intra_only(cm) || frame_is_sframe(cm)) {
// Reset the loop filter deltas and segmentation map.
av1_reset_segment_features(cm);
// If segmentation is enabled force a map update for key frames.
if (seg->enabled) {
seg->update_map = 1;
seg->update_data = 1;
}
}
if (tile_cfg->mtu == 0) {
cpi->num_tg = tile_cfg->num_tile_groups;
} else {
// Use a default value for the purposes of weighting costs in probability
// updates
cpi->num_tg = DEFAULT_MAX_NUM_TG;
}
// For 1 pass CBR, check if we are dropping this frame.
// Never drop on key frame.
if (has_no_stats_stage(cpi) && oxcf->rc_cfg.mode == AOM_CBR &&
current_frame->frame_type != KEY_FRAME) {
if (av1_rc_drop_frame(cpi)) {
av1_setup_frame_size(cpi);
av1_rc_postencode_update_drop_frame(cpi);
release_scaled_references(cpi);
return AOM_CODEC_OK;
}
}
if (oxcf->tune_cfg.tuning == AOM_TUNE_SSIM)
av1_set_mb_ssim_rdmult_scaling(cpi);
#if CONFIG_TUNE_VMAF
if (oxcf->tune_cfg.tuning == AOM_TUNE_VMAF_WITHOUT_PREPROCESSING ||
oxcf->tune_cfg.tuning == AOM_TUNE_VMAF_MAX_GAIN ||
oxcf->tune_cfg.tuning == AOM_TUNE_VMAF_NEG_MAX_GAIN) {
av1_set_mb_vmaf_rdmult_scaling(cpi);
}
#endif
aom_clear_system_state();
if (seq_params->frame_id_numbers_present_flag) {
/* Non-normative definition of current_frame_id ("frame counter" with
* wraparound) */
if (cm->current_frame_id == -1) {
int lsb, msb;
/* quasi-random initialization of current_frame_id for a key frame */
lsb = cpi->source->y_buffer[0] & 0xff;
msb = cpi->source->y_buffer[1] & 0xff;
cm->current_frame_id =
((msb << 8) + lsb) % (1 << seq_params->frame_id_length);
// S_frame is meant for stitching different streams of different
// resolutions together, so current_frame_id must be the
// same across different streams of the same content current_frame_id
// should be the same and not random. 0x37 is a chosen number as start
// point
if (oxcf->kf_cfg.sframe_dist != 0) cm->current_frame_id = 0x37;
} else {
cm->current_frame_id =
(cm->current_frame_id + 1 + (1 << seq_params->frame_id_length)) %
(1 << seq_params->frame_id_length);
}
}
switch (oxcf->algo_cfg.cdf_update_mode) {
case 0: // No CDF update for any frames(4~6% compression loss).
features->disable_cdf_update = 1;
break;
case 1: // Enable CDF update for all frames.
features->disable_cdf_update = 0;
break;
case 2:
// Strategically determine at which frames to do CDF update.
// Currently only enable CDF update for all-intra and no-show frames(1.5%
// compression loss).
// TODO(huisu@google.com): design schemes for various trade-offs between
// compression quality and decoding speed.
features->disable_cdf_update =
(frame_is_intra_only(cm) || !cm->show_frame) ? 0 : 1;
break;
}
seq_params->timing_info_present &= !seq_params->reduced_still_picture_hdr;
int largest_tile_id = 0;
if (av1_superres_in_recode_allowed(cpi)) {
if (encode_with_and_without_superres(cpi, size, dest, &largest_tile_id) !=
AOM_CODEC_OK) {
return AOM_CODEC_ERROR;
}
} else {
const aom_superres_mode orig_superres_mode = cpi->superres_mode; // save
cpi->superres_mode = cpi->oxcf.superres_cfg.superres_mode;
if (encode_with_recode_loop_and_filter(cpi, size, dest, NULL, NULL,
&largest_tile_id) != AOM_CODEC_OK) {
return AOM_CODEC_ERROR;
}
cpi->superres_mode = orig_superres_mode; // restore
}
cpi->seq_params_locked = 1;
// Update reference frame ids for reference frames this frame will overwrite
if (seq_params->frame_id_numbers_present_flag) {
for (int i = 0; i < REF_FRAMES; i++) {
if ((current_frame->refresh_frame_flags >> i) & 1) {
cm->ref_frame_id[i] = cm->current_frame_id;
}
}
}
if (cm->seg.enabled) {
if (cm->seg.update_map) {
update_reference_segmentation_map(cpi);
} else if (cm->last_frame_seg_map) {
memcpy(cm->cur_frame->seg_map, cm->last_frame_seg_map,
cm->cur_frame->mi_cols * cm->cur_frame->mi_rows *
sizeof(*cm->cur_frame->seg_map));
}
}
if (frame_is_intra_only(cm) == 0) {
release_scaled_references(cpi);
}
// NOTE: Save the new show frame buffer index for --test-code=warn, i.e.,
// for the purpose to verify no mismatch between encoder and decoder.
if (cm->show_frame) cpi->last_show_frame_buf = cm->cur_frame;
refresh_reference_frames(cpi);
#if CONFIG_ENTROPY_STATS
av1_accumulate_frame_counts(&aggregate_fc, &cpi->counts);
#endif // CONFIG_ENTROPY_STATS
if (features->refresh_frame_context == REFRESH_FRAME_CONTEXT_BACKWARD) {
*cm->fc = cpi->tile_data[largest_tile_id].tctx;
av1_reset_cdf_symbol_counters(cm->fc);
}
if (!cm->tiles.large_scale) {
cm->cur_frame->frame_context = *cm->fc;
}
if (tile_cfg->enable_ext_tile_debug) {
// (yunqing) This test ensures the correctness of large scale tile coding.
if (cm->tiles.large_scale && is_stat_consumption_stage(cpi)) {
char fn[20] = "./fc";
fn[4] = current_frame->frame_number / 100 + '0';
fn[5] = (current_frame->frame_number % 100) / 10 + '0';
fn[6] = (current_frame->frame_number % 10) + '0';
fn[7] = '\0';
av1_print_frame_contexts(cm->fc, fn);
}
}
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, encode_frame_to_data_rate_time);
// Print out timing information.
int i;
fprintf(stderr, "\n Frame number: %d, Frame type: %s, Show Frame: %d\n",
cm->current_frame.frame_number,
get_frame_type_enum(cm->current_frame.frame_type), cm->show_frame);
for (i = 0; i < kTimingComponents; i++) {
cpi->component_time[i] += cpi->frame_component_time[i];
fprintf(stderr, " %s: %" PRId64 " us (total: %" PRId64 " us)\n",
get_component_name(i), cpi->frame_component_time[i],
cpi->component_time[i]);
cpi->frame_component_time[i] = 0;
}
#endif
cpi->last_frame_type = current_frame->frame_type;
av1_rc_postencode_update(cpi, *size);
// 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;
// A droppable frame might not be shown but it always
// takes a space in the gf group. Therefore, even when
// it is not shown, we still need update the count down.
if (cm->show_frame) {
// Don't increment frame counters if this is a key frame overlay
if (!av1_check_keyframe_overlay(cpi->gf_group.index, &cpi->gf_group,
cpi->rc.frames_since_key))
++current_frame->frame_number;
} else if (av1_check_keyframe_arf(cpi->gf_group.index, &cpi->gf_group,
cpi->rc.frames_since_key)) {
// TODO(bohanli) Hack here: increment kf overlay before it is encoded
++current_frame->frame_number;
}
return AOM_CODEC_OK;
}
int av1_encode(AV1_COMP *const cpi, uint8_t *const dest,
const EncodeFrameInput *const frame_input,
const EncodeFrameParams *const frame_params,
EncodeFrameResults *const frame_results) {
AV1_COMMON *const cm = &cpi->common;
CurrentFrame *const current_frame = &cm->current_frame;
cpi->unscaled_source = frame_input->source;
cpi->source = frame_input->source;
cpi->unscaled_last_source = frame_input->last_source;
current_frame->refresh_frame_flags = frame_params->refresh_frame_flags;
cm->features.error_resilient_mode = frame_params->error_resilient_mode;
#if !CONFIG_PRIMARY_REF_FRAME_OPT
cm->features.primary_ref_frame = frame_params->primary_ref_frame;
#endif // !CONFIG_PRIMARY_REF_FRAME_OPT
cm->current_frame.frame_type = frame_params->frame_type;
cm->show_frame = frame_params->show_frame;
cm->ref_frame_flags = frame_params->ref_frame_flags;
cpi->speed = frame_params->speed;
cm->show_existing_frame = frame_params->show_existing_frame;
cpi->existing_fb_idx_to_show = frame_params->existing_fb_idx_to_show;
memcpy(cm->remapped_ref_idx, frame_params->remapped_ref_idx,
REF_FRAMES * sizeof(*cm->remapped_ref_idx));
if (current_frame->frame_type == KEY_FRAME && !cpi->no_show_fwd_kf) {
current_frame->key_frame_number += current_frame->frame_number;
current_frame->frame_number = 0;
}
current_frame->order_hint =
current_frame->frame_number + frame_params->order_offset;
current_frame->display_order_hint = current_frame->order_hint;
current_frame->pyramid_level = get_true_pyr_level(
cpi->gf_group.layer_depth[cpi->gf_group.index],
current_frame->display_order_hint, cpi->gf_group.max_layer_depth);
current_frame->absolute_poc =
current_frame->key_frame_number + current_frame->display_order_hint;
current_frame->order_hint %=
(1 << (cm->seq_params.order_hint_info.order_hint_bits_minus_1 + 1));
if (is_stat_generation_stage(cpi)) {
av1_first_pass(cpi, frame_input->ts_duration);
} else {
if (encode_frame_to_data_rate(cpi, &frame_results->size, dest) !=
AOM_CODEC_OK) {
return AOM_CODEC_ERROR;
}
}
return AOM_CODEC_OK;
}
#if CONFIG_DENOISE
static int apply_denoise_2d(AV1_COMP *cpi, YV12_BUFFER_CONFIG *sd,
int block_size, float noise_level,
int64_t time_stamp, int64_t end_time) {
AV1_COMMON *const cm = &cpi->common;
if (!cpi->denoise_and_model) {
cpi->denoise_and_model = aom_denoise_and_model_alloc(
cm->seq_params.bit_depth, block_size, noise_level);
if (!cpi->denoise_and_model) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Error allocating denoise and model");
return -1;
}
}
if (!cpi->film_grain_table) {
cpi->film_grain_table = aom_malloc(sizeof(*cpi->film_grain_table));
if (!cpi->film_grain_table) {
aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR,
"Error allocating grain table");
return -1;
}
memset(cpi->film_grain_table, 0, sizeof(*cpi->film_grain_table));
}
if (aom_denoise_and_model_run(cpi->denoise_and_model, sd,
&cm->film_grain_params)) {
if (cm->film_grain_params.apply_grain) {
aom_film_grain_table_append(cpi->film_grain_table, time_stamp, end_time,
&cm->film_grain_params);
}
}
return 0;
}
#endif
int av1_receive_raw_frame(AV1_COMP *cpi, aom_enc_frame_flags_t frame_flags,
YV12_BUFFER_CONFIG *sd, int64_t time_stamp,
int64_t end_time) {
AV1_COMMON *const cm = &cpi->common;
const SequenceHeader *const seq_params = &cm->seq_params;
int res = 0;
const int subsampling_x = sd->subsampling_x;
const int subsampling_y = sd->subsampling_y;
#if CONFIG_TUNE_VMAF
if (!is_stat_generation_stage(cpi) &&
cpi->oxcf.tune_cfg.tuning == AOM_TUNE_VMAF_WITH_PREPROCESSING) {
av1_vmaf_frame_preprocessing(cpi, sd);
}
if (!is_stat_generation_stage(cpi) &&
cpi->oxcf.tune_cfg.tuning == AOM_TUNE_VMAF_MAX_GAIN) {
av1_vmaf_blk_preprocessing(cpi, sd);
}
#endif
#if CONFIG_INTERNAL_STATS
struct aom_usec_timer timer;
aom_usec_timer_start(&timer);
#endif
#if CONFIG_DENOISE
if (cpi->oxcf.noise_level > 0)
if (apply_denoise_2d(cpi, sd, cpi->oxcf.noise_block_size,
cpi->oxcf.noise_level, time_stamp, end_time) < 0)
res = -1;
#endif // CONFIG_DENOISE
if (av1_lookahead_push(cpi->lookahead, sd, time_stamp, end_time, frame_flags,
cpi->oxcf.tool_cfg.enable_global_motion))
res = -1;
#if CONFIG_INTERNAL_STATS
aom_usec_timer_mark(&timer);
cpi->time_receive_data += aom_usec_timer_elapsed(&timer);
#endif
// Note: Regarding profile setting, the following checks are added to help
// choose a proper profile for the input video. The criterion is that all
// bitstreams must be designated as the lowest profile that match its content.
// E.G. A bitstream that contains 4:4:4 video must be designated as High
// Profile in the seq header, and likewise a bitstream that contains 4:2:2
// bitstream must be designated as Professional Profile in the sequence
// header.
if ((seq_params->profile == PROFILE_0) && !seq_params->monochrome &&
(subsampling_x != 1 || subsampling_y != 1)) {
aom_internal_error(&cm->error, AOM_CODEC_INVALID_PARAM,
"Non-4:2:0 color format requires profile 1 or 2");
res = -1;
}
if ((seq_params->profile == PROFILE_1) &&
!(subsampling_x == 0 && subsampling_y == 0)) {
aom_internal_error(&cm->error, AOM_CODEC_INVALID_PARAM,
"Profile 1 requires 4:4:4 color format");
res = -1;
}
if ((seq_params->profile == PROFILE_2) &&
(seq_params->bit_depth <= AOM_BITS_10) &&
!(subsampling_x == 1 && subsampling_y == 0)) {
aom_internal_error(&cm->error, AOM_CODEC_INVALID_PARAM,
"Profile 2 bit-depth <= 10 requires 4:2:2 color format");
res = -1;
}
return res;
}
#if CONFIG_INTERNAL_STATS
extern double av1_get_blockiness(const unsigned char *img1, int img1_pitch,
const unsigned char *img2, int img2_pitch,
int width, int height);
static void adjust_image_stat(double y, double u, double v, double all,
ImageStat *s) {
s->stat[STAT_Y] += y;
s->stat[STAT_U] += u;
s->stat[STAT_V] += v;
s->stat[STAT_ALL] += all;
s->worst = AOMMIN(s->worst, all);
}
static void compute_internal_stats(AV1_COMP *cpi, int frame_bytes) {
AV1_COMMON *const cm = &cpi->common;
const uint32_t in_bit_depth = cpi->oxcf.input_cfg.input_bit_depth;
const uint32_t bit_depth = cpi->td.mb.e_mbd.bd;
#if CONFIG_INTER_STATS_ONLY
if (cm->current_frame.frame_type == KEY_FRAME) return; // skip key frame
#endif
cpi->bytes += frame_bytes;
if (cm->show_frame) {
const YV12_BUFFER_CONFIG *orig = cpi->source;
const YV12_BUFFER_CONFIG *recon = &cpi->common.cur_frame->buf;
double y, u, v, frame_all;
cpi->count[0]++;
cpi->count[1]++;
if (cpi->b_calculate_psnr) {
PSNR_STATS psnr;
double frame_ssim2 = 0.0, weight = 0.0;
aom_clear_system_state();
aom_calc_highbd_psnr(orig, recon, &psnr, bit_depth, in_bit_depth);
adjust_image_stat(psnr.psnr[1], psnr.psnr[2], psnr.psnr[3], psnr.psnr[0],
&(cpi->psnr[0]));
cpi->total_sq_error[0] += psnr.sse[0];
cpi->total_samples[0] += psnr.samples[0];
frame_ssim2 =
aom_highbd_calc_ssim(orig, recon, &weight, bit_depth, in_bit_depth);
cpi->worst_ssim = AOMMIN(cpi->worst_ssim, frame_ssim2);
cpi->summed_quality += frame_ssim2 * weight;
cpi->summed_weights += weight;
// Compute PSNR based on stream bit depth
if (in_bit_depth < bit_depth) {
adjust_image_stat(psnr.psnr_hbd[1], psnr.psnr_hbd[2], psnr.psnr_hbd[3],
psnr.psnr_hbd[0], &cpi->psnr[1]);
cpi->total_sq_error[1] += psnr.sse_hbd[0];
cpi->total_samples[1] += psnr.samples_hbd[0];
}
#if 0
{
FILE *f = fopen("q_used.stt", "a");
double y2 = psnr.psnr[1];
double u2 = psnr.psnr[2];
double v2 = psnr.psnr[3];
double frame_psnr2 = psnr.psnr[0];
fprintf(f, "%5d : Y%f7.3:U%f7.3:V%f7.3:F%f7.3:S%7.3f\n",
cm->current_frame.frame_number, y2, u2, v2,
frame_psnr2, frame_ssim2);
fclose(f);
}
#endif
}
frame_all =
aom_calc_fastssim(orig, recon, &y, &u, &v, bit_depth, in_bit_depth);
adjust_image_stat(y, u, v, frame_all, &cpi->fastssim);
frame_all = aom_psnrhvs(orig, recon, &y, &u, &v, bit_depth, in_bit_depth);
adjust_image_stat(y, u, v, frame_all, &cpi->psnrhvs);
}
}
#endif // CONFIG_INTERNAL_STATS
int av1_get_compressed_data(AV1_COMP *cpi, unsigned int *frame_flags,
size_t *size, uint8_t *dest, int64_t *time_stamp,
int64_t *time_end, int flush,
const aom_rational64_t *timestamp_ratio) {
const AV1EncoderConfig *const oxcf = &cpi->oxcf;
AV1_COMMON *const cm = &cpi->common;
#if CONFIG_BITSTREAM_DEBUG
assert(cpi->oxcf.max_threads <= 1 &&
"bitstream debug tool does not support multithreading");
bitstream_queue_record_write();
aom_bitstream_queue_set_frame_write(cm->current_frame.order_hint * 2 +
cm->show_frame);
#endif
cm->showable_frame = 0;
*size = 0;
#if CONFIG_INTERNAL_STATS
struct aom_usec_timer cmptimer;
aom_usec_timer_start(&cmptimer);
#endif
av1_set_high_precision_mv(cpi, MV_PRECISION_ONE_EIGHTH_PEL);
// Normal defaults
cm->features.refresh_frame_context =
oxcf->tool_cfg.frame_parallel_decoding_mode
? REFRESH_FRAME_CONTEXT_DISABLED
: REFRESH_FRAME_CONTEXT_BACKWARD;
if (oxcf->tile_cfg.enable_large_scale_tile)
cm->features.refresh_frame_context = REFRESH_FRAME_CONTEXT_DISABLED;
// Initialize fields related to forward keyframes
cpi->no_show_fwd_kf = 0;
if (assign_cur_frame_new_fb(cm) == NULL) return AOM_CODEC_ERROR;
const int result =
av1_encode_strategy(cpi, size, dest, frame_flags, time_stamp, time_end,
timestamp_ratio, flush);
if (result == -1) {
// Returning -1 indicates no frame encoded; more input is required
return -1;
}
if (result != AOM_CODEC_OK) {
return AOM_CODEC_ERROR;
}
#if CONFIG_INTERNAL_STATS
aom_usec_timer_mark(&cmptimer);
cpi->time_compress_data += aom_usec_timer_elapsed(&cmptimer);
#endif // CONFIG_INTERNAL_STATS
#if CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
if (cpi->b_calculate_psnr) {
if (cm->show_existing_frame ||
(*size > 0 && !is_stat_generation_stage(cpi) && cm->show_frame)) {
#else
// Note *size = 0 indicates a dropeed frame for which psnr is not calculated
if (cpi->b_calculate_psnr >= 1 && *size > 0) {
if (cm->show_existing_frame ||
(!is_stat_generation_stage(cpi) && cm->show_frame)) {
#endif // CONFIG_OUTPUT_FRAME_BASED_ON_ORDER_HINT
generate_psnr_packet(cpi);
}
}
if (cpi->level_params.keep_level_stats && !is_stat_generation_stage(cpi)) {
// Initialize level info. at the beginning of each sequence.
if (cm->current_frame.frame_type == KEY_FRAME && !cpi->no_show_fwd_kf) {
av1_init_level_info(cpi);
}
av1_update_level_info(cpi, *size, *time_stamp, *time_end);
}
#if CONFIG_INTERNAL_STATS
if (!is_stat_generation_stage(cpi)) {
compute_internal_stats(cpi, (int)(*size));
}
#endif // CONFIG_INTERNAL_STATS
#if CONFIG_SPEED_STATS
if (!is_stat_generation_stage(cpi) && !cm->show_existing_frame) {
cpi->tx_search_count += cpi->td.mb.txfm_search_info.tx_search_count;
cpi->td.mb.txfm_search_info.tx_search_count = 0;
}
#endif // CONFIG_SPEED_STATS
aom_clear_system_state();
return AOM_CODEC_OK;
}
int av1_get_preview_raw_frame(AV1_COMP *cpi, YV12_BUFFER_CONFIG *dest) {
AV1_COMMON *cm = &cpi->common;
if (!cm->show_frame) {
return -1;
} else {
int ret;
if (cm->cur_frame != NULL) {
*dest = cm->cur_frame->buf;
dest->y_width = cm->width;
dest->y_height = cm->height;
dest->uv_width = cm->width >> cm->seq_params.subsampling_x;
dest->uv_height = cm->height >> cm->seq_params.subsampling_y;
ret = 0;
} else {
ret = -1;
}
aom_clear_system_state();
return ret;
}
}
int av1_get_last_show_frame(AV1_COMP *cpi, YV12_BUFFER_CONFIG *frame) {
if (cpi->last_show_frame_buf == NULL) return -1;
*frame = cpi->last_show_frame_buf->buf;
return 0;
}
aom_codec_err_t av1_copy_new_frame_enc(AV1_COMMON *cm,
YV12_BUFFER_CONFIG *new_frame,
YV12_BUFFER_CONFIG *sd) {
const int num_planes = av1_num_planes(cm);
if (!equal_dimensions_and_border(new_frame, sd))
aom_internal_error(&cm->error, AOM_CODEC_ERROR,
"Incorrect buffer dimensions");
else
aom_yv12_copy_frame(new_frame, sd, num_planes);
return cm->error.error_code;
}
int av1_set_internal_size(AV1EncoderConfig *const oxcf,
ResizePendingParams *resize_pending_params,
AOM_SCALING horiz_mode, AOM_SCALING vert_mode) {
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
resize_pending_params->width = (hs - 1 + oxcf->frm_dim_cfg.width * hr) / hs;
resize_pending_params->height = (vs - 1 + oxcf->frm_dim_cfg.height * vr) / vs;
if (horiz_mode != NORMAL || vert_mode != NORMAL) {
oxcf->resize_cfg.resize_mode = RESIZE_FIXED;
oxcf->algo_cfg.enable_tpl_model = 0;
}
return 0;
}
int av1_get_quantizer(AV1_COMP *cpi) {
return cpi->common.quant_params.base_qindex;
}
int av1_convert_sect5obus_to_annexb(uint8_t *buffer, size_t *frame_size) {
size_t output_size = 0;
size_t total_bytes_read = 0;
size_t remaining_size = *frame_size;
uint8_t *buff_ptr = buffer;
// go through each OBUs
while (total_bytes_read < *frame_size) {
uint8_t saved_obu_header[2];
uint64_t obu_payload_size;
size_t length_of_payload_size;
size_t length_of_obu_size;
uint32_t obu_header_size = (buff_ptr[0] >> 2) & 0x1 ? 2 : 1;
size_t obu_bytes_read = obu_header_size; // bytes read for current obu
// save the obu header (1 or 2 bytes)
memmove(saved_obu_header, buff_ptr, obu_header_size);
// clear the obu_has_size_field
saved_obu_header[0] = saved_obu_header[0] & (~0x2);
// get the payload_size and length of payload_size
if (aom_uleb_decode(buff_ptr + obu_header_size, remaining_size,
&obu_payload_size, &length_of_payload_size) != 0) {
return AOM_CODEC_ERROR;
}
obu_bytes_read += length_of_payload_size;
// calculate the length of size of the obu header plus payload
length_of_obu_size =
aom_uleb_size_in_bytes((uint64_t)(obu_header_size + obu_payload_size));
// move the rest of data to new location
memmove(buff_ptr + length_of_obu_size + obu_header_size,
buff_ptr + obu_bytes_read, remaining_size - obu_bytes_read);
obu_bytes_read += (size_t)obu_payload_size;
// write the new obu size
const uint64_t obu_size = obu_header_size + obu_payload_size;
size_t coded_obu_size;
if (aom_uleb_encode(obu_size, sizeof(obu_size), buff_ptr,
&coded_obu_size) != 0) {
return AOM_CODEC_ERROR;
}
// write the saved (modified) obu_header following obu size
memmove(buff_ptr + length_of_obu_size, saved_obu_header, obu_header_size);
total_bytes_read += obu_bytes_read;
remaining_size -= obu_bytes_read;
buff_ptr += length_of_obu_size + obu_size;
output_size += length_of_obu_size + (size_t)obu_size;
}
*frame_size = output_size;
return AOM_CODEC_OK;
}
void av1_apply_encoding_flags(AV1_COMP *cpi, aom_enc_frame_flags_t flags) {
// TODO(yunqingwang): For what references to use, external encoding flags
// should be consistent with internal reference frame selection. Need to
// ensure that there is not conflict between the two. In AV1 encoder, the
// priority rank for 7 reference frames are: LAST, ALTREF, LAST2, LAST3,
// GOLDEN, BWDREF, ALTREF2.
ExternalFlags *const ext_flags = &cpi->ext_flags;
ExtRefreshFrameFlagsInfo *const ext_refresh_frame_flags =
&ext_flags->refresh_frame;
ext_flags->ref_frame_flags = AOM_REFFRAME_ALL;
if (flags & AOM_EFLAG_NO_UPD_ALL) {
ext_refresh_frame_flags->all_ref_frames = 0;
ext_refresh_frame_flags->update_pending = 1;
} else {
ext_refresh_frame_flags->all_ref_frames = 1;
ext_refresh_frame_flags->update_pending = 0;
}
ext_flags->use_ref_frame_mvs = cpi->oxcf.tool_cfg.enable_ref_frame_mvs &
((flags & AOM_EFLAG_NO_REF_FRAME_MVS) == 0);
ext_flags->use_error_resilient = cpi->oxcf.tool_cfg.error_resilient_mode |
((flags & AOM_EFLAG_ERROR_RESILIENT) != 0);
ext_flags->use_s_frame =
cpi->oxcf.kf_cfg.enable_sframe | ((flags & AOM_EFLAG_SET_S_FRAME) != 0);
ext_flags->use_primary_ref_none =
(flags & AOM_EFLAG_SET_PRIMARY_REF_NONE) != 0;
if (flags & AOM_EFLAG_NO_UPD_ENTROPY) {
update_entropy(&ext_flags->refresh_frame_context,
&ext_flags->refresh_frame_context_pending, 0);
}
}
aom_fixed_buf_t *av1_get_global_headers(AV1_COMP *cpi) {
if (!cpi) return NULL;
uint8_t header_buf[512] = { 0 };
const uint32_t sequence_header_size =
av1_write_sequence_header_obu(&cpi->common.seq_params, &header_buf[0]);
assert(sequence_header_size <= sizeof(header_buf));
if (sequence_header_size == 0) return NULL;
const size_t obu_header_size = 1;
const size_t size_field_size = aom_uleb_size_in_bytes(sequence_header_size);
const size_t payload_offset = obu_header_size + size_field_size;
if (payload_offset + sequence_header_size > sizeof(header_buf)) return NULL;
memmove(&header_buf[payload_offset], &header_buf[0], sequence_header_size);
if (av1_write_obu_header(&cpi->level_params, OBU_SEQUENCE_HEADER, 0,
&header_buf[0]) != obu_header_size) {
return NULL;
}
size_t coded_size_field_size = 0;
if (aom_uleb_encode(sequence_header_size, size_field_size,
&header_buf[obu_header_size],
&coded_size_field_size) != 0) {
return NULL;
}
assert(coded_size_field_size == size_field_size);
aom_fixed_buf_t *global_headers =
(aom_fixed_buf_t *)malloc(sizeof(*global_headers));
if (!global_headers) return NULL;
const size_t global_header_buf_size =
obu_header_size + size_field_size + sequence_header_size;
global_headers->buf = malloc(global_header_buf_size);
if (!global_headers->buf) {
free(global_headers);
return NULL;
}
memcpy(global_headers->buf, &header_buf[0], global_header_buf_size);
global_headers->sz = global_header_buf_size;
return global_headers;
}