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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent.
*/
#include <limits.h>
#include <float.h>
#include <math.h>
#include <stdio.h>
#include "config/aom_config.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"
#include "av1/common/reconinter.h"
#include "av1/common/reconintra.h"
#include "av1/common/resize.h"
#include "av1/common/tile_common.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"
#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/segmentation.h"
#include "av1/encoder/speed_features.h"
#include "av1/encoder/superres_scale.h"
#include "av1/encoder/tpl_model.h"
#include "av1/encoder/reconinter_enc.h"
#include "av1/encoder/var_based_part.h"
#if CONFIG_TUNE_VMAF
#include "av1/encoder/tune_vmaf.h"
#endif
#define DEFAULT_EXPLICIT_ORDER_HINT_BITS 7
#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();
}
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 set_tile_info(AV1_COMMON *const cm,
const TileConfig *const tile_cfg) {
const CommonModeInfoParams *const mi_params = &cm->mi_params;
const SequenceHeader *const seq_params = &cm->seq_params;
CommonTileParams *const tiles = &cm->tiles;
int i, start_sb;
av1_get_tile_limits(cm);
// configure tile columns
if (tile_cfg->tile_width_count == 0 || tile_cfg->tile_height_count == 0) {
tiles->uniform_spacing = 1;
tiles->log2_cols = AOMMAX(tile_cfg->tile_columns, tiles->min_log2_cols);
tiles->log2_cols = AOMMIN(tiles->log2_cols, tiles->max_log2_cols);
} else {
int mi_cols =
ALIGN_POWER_OF_TWO(mi_params->mi_cols, seq_params->mib_size_log2);
int sb_cols = mi_cols >> seq_params->mib_size_log2;
int size_sb, j = 0;
tiles->uniform_spacing = 0;
for (i = 0, start_sb = 0; start_sb < sb_cols && i < MAX_TILE_COLS; i++) {
tiles->col_start_sb[i] = start_sb;
size_sb = tile_cfg->tile_widths[j++];
if (j >= tile_cfg->tile_width_count) j = 0;
start_sb += AOMMIN(size_sb, tiles->max_width_sb);
}
tiles->cols = i;
tiles->col_start_sb[i] = sb_cols;
}
av1_calculate_tile_cols(seq_params, mi_params->mi_rows, mi_params->mi_cols,
tiles);
// configure tile rows
if (tiles->uniform_spacing) {
tiles->log2_rows = AOMMAX(tile_cfg->tile_rows, tiles->min_log2_rows);
tiles->log2_rows = AOMMIN(tiles->log2_rows, tiles->max_log2_rows);
} else {
int mi_rows =
ALIGN_POWER_OF_TWO(mi_params->mi_rows, seq_params->mib_size_log2);
int sb_rows = mi_rows >> seq_params->mib_size_log2;
int size_sb, j = 0;
for (i = 0, start_sb = 0; start_sb < sb_rows && i < MAX_TILE_ROWS; i++) {
tiles->row_start_sb[i] = start_sb;
size_sb = tile_cfg->tile_heights[j++];
if (j >= tile_cfg->tile_height_count) j = 0;
start_sb += AOMMIN(size_sb, tiles->max_height_sb);
}
tiles->rows = i;
tiles->row_start_sb[i] = sb_rows;
}
av1_calculate_tile_rows(seq_params, mi_params->mi_rows, tiles);
}
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);
if (!cpi->seq_params_locked)
set_sb_size(&cm->seq_params, av1_select_sb_size(cpi));
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, int use_svc) {
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 = (oxcf->mode == REALTIME) ? 0 : 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 && !use_svc;
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->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->enable_dual_filter = tool_cfg->enable_dual_filter;
seq->order_hint_info.enable_dist_wtd_comp =
oxcf->comp_type_cfg.enable_dist_wtd_comp;
seq->order_hint_info.enable_dist_wtd_comp &=
seq->order_hint_info.enable_order_hint;
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;
seq->enable_warped_motion = oxcf->motion_mode_cfg.enable_warped_motion;
seq->enable_interintra_compound = tool_cfg->enable_interintra_comp;
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;
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++;
}
}
}
}
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->use_highbitdepth = oxcf->use_highbitdepth;
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(seq_params,
av1_select_sb_size(cpi)); // set sb size before allocations
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.
cpi->use_svc = 0;
cpi->svc.external_ref_frame_config = 0;
cpi->svc.non_reference_frame = 0;
cpi->svc.number_spatial_layers = 1;
cpi->svc.number_temporal_layers = 1;
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);
cpi->ref_frame_flags = 0;
// Reset resize pending flags
resize_pending_params->width = 0;
resize_pending_params->height = 0;
init_buffer_indices(&cpi->force_intpel_info, cm->remapped_ref_idx);
av1_noise_estimate_init(&cpi->noise_estimate, cm->width, cm->height);
}
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;
RefreshFrameFlagsInfo *const refresh_frame_flags = &cpi->refresh_frame;
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;
cpi->superres_mode = oxcf->superres_cfg.superres_mode; // default
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]);
}
if ((has_no_stats_stage(cpi)) && (rc_cfg->mode == AOM_Q)) {
rc->baseline_gf_interval = FIXED_GF_INTERVAL;
} else {
rc->baseline_gf_interval = (MIN_GF_INTERVAL + MAX_GF_INTERVAL) / 2;
}
refresh_frame_flags->golden_frame = false;
refresh_frame_flags->bwd_ref_frame = false;
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);
av1_set_high_precision_mv(cpi, 1, 0);
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;
cm->features.switchable_motion_mode = 1;
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;
int sb_size = seq_params->sb_size;
// Superblock size should not be updated after the first key frame.
if (!cpi->seq_params_locked) {
set_sb_size(&cm->seq_params, av1_select_sb_size(cpi));
for (int i = 0; i < MAX_NUM_OPERATING_POINTS; ++i)
seq_params->tier[i] = (oxcf->tier_mask >> i) & 1;
}
if (initial_dimensions->width || sb_size != seq_params->sb_size) {
if (cm->width > initial_dimensions->width ||
cm->height > initial_dimensions->height ||
seq_params->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);
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;
set_tile_info(cm, &cpi->oxcf.tile_cfg);
if (!cpi->svc.external_ref_frame_config)
cpi->ext_flags.refresh_frame.update_pending = 0;
cpi->ext_flags.refresh_frame_context_pending = 0;
#if CONFIG_AV1_HIGHBITDEPTH
highbd_set_var_fns(cpi);
#endif
// 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, cpi->use_svc);
}
if (cpi->use_svc)
av1_update_layer_context_change_config(cpi, rc_cfg->target_bandwidth);
// 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;
}
}
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;
}
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;
}
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 = (oxcf->pass == 1 || 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, oxcf->pass, &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_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->refresh_frame.alt_ref_frame = false;
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.worst = 100.0;
cpi->worst_ssim = 100.0;
cpi->count = 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;
cpi->total_samples = 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 !CONFIG_REALTIME_ONLY
if (is_stat_consumption_stage(cpi)) {
const size_t packet_sz = sizeof(FIRSTPASS_STATS);
const int packets = (int)(oxcf->twopass_stats_in.sz / packet_sz);
if (!cpi->lap_enabled) {
/*Re-initialize to stats buffer, populated by application in the case of
* two pass*/
cpi->twopass.stats_buf_ctx->stats_in_start = oxcf->twopass_stats_in.buf;
cpi->twopass.stats_in = cpi->twopass.stats_buf_ctx->stats_in_start;
cpi->twopass.stats_buf_ctx->stats_in_end =
&cpi->twopass.stats_buf_ctx->stats_in_start[packets - 1];
av1_init_second_pass(cpi);
} else {
av1_init_single_pass_lap(cpi);
}
}
#endif
int sb_mi_size = av1_get_sb_mi_size(cm);
alloc_obmc_buffers(&cpi->td.mb.obmc_buffer, cm);
CHECK_MEM_ERROR(
cm, cpi->td.mb.inter_modes_info,
(InterModesInfo *)aom_malloc(sizeof(*cpi->td.mb.inter_modes_info)));
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)));
{
const int 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 int 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 int 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)));
cpi->vmaf_info.last_frame_unsharp_amount = 0.0;
}
#endif
if (!is_stat_generation_stage(cpi)) {
setup_tpl_buffers(cm, &cpi->tpl_data);
}
#if CONFIG_COLLECT_PARTITION_STATS == 2
av1_zero(cpi->partition_stats);
#endif
#define BFP(BT, SDF, SDAF, VF, SVF, SVAF, SDX4DF, JSDAF, JSVAF) \
cpi->fn_ptr[BT].sdf = SDF; \
cpi->fn_ptr[BT].sdaf = SDAF; \
cpi->fn_ptr[BT].vf = VF; \
cpi->fn_ptr[BT].svf = SVF; \
cpi->fn_ptr[BT].svaf = SVAF; \
cpi->fn_ptr[BT].sdx4df = SDX4DF; \
cpi->fn_ptr[BT].jsdaf = JSDAF; \
cpi->fn_ptr[BT].jsvaf = JSVAF;
BFP(BLOCK_4X16, aom_sad4x16, aom_sad4x16_avg, aom_variance4x16,
aom_sub_pixel_variance4x16, aom_sub_pixel_avg_variance4x16,
aom_sad4x16x4d, aom_dist_wtd_sad4x16_avg,
aom_dist_wtd_sub_pixel_avg_variance4x16)
BFP(BLOCK_16X4, aom_sad16x4, aom_sad16x4_avg, aom_variance16x4,
aom_sub_pixel_variance16x4, aom_sub_pixel_avg_variance16x4,
aom_sad16x4x4d, aom_dist_wtd_sad16x4_avg,
aom_dist_wtd_sub_pixel_avg_variance16x4)
BFP(BLOCK_8X32, aom_sad8x32, aom_sad8x32_avg, aom_variance8x32,
aom_sub_pixel_variance8x32, aom_sub_pixel_avg_variance8x32,
aom_sad8x32x4d, aom_dist_wtd_sad8x32_avg,
aom_dist_wtd_sub_pixel_avg_variance8x32)
BFP(BLOCK_32X8, aom_sad32x8, aom_sad32x8_avg, aom_variance32x8,
aom_sub_pixel_variance32x8, aom_sub_pixel_avg_variance32x8,
aom_sad32x8x4d, aom_dist_wtd_sad32x8_avg,
aom_dist_wtd_sub_pixel_avg_variance32x8)
BFP(BLOCK_16X64, aom_sad16x64, aom_sad16x64_avg, aom_variance16x64,
aom_sub_pixel_variance16x64, aom_sub_pixel_avg_variance16x64,
aom_sad16x64x4d, aom_dist_wtd_sad16x64_avg,
aom_dist_wtd_sub_pixel_avg_variance16x64)
BFP(BLOCK_64X16, aom_sad64x16, aom_sad64x16_avg, aom_variance64x16,
aom_sub_pixel_variance64x16, aom_sub_pixel_avg_variance64x16,
aom_sad64x16x4d, aom_dist_wtd_sad64x16_avg,
aom_dist_wtd_sub_pixel_avg_variance64x16)
BFP(BLOCK_128X128, aom_sad128x128, aom_sad128x128_avg, aom_variance128x128,
aom_sub_pixel_variance128x128, aom_sub_pixel_avg_variance128x128,
aom_sad128x128x4d, aom_dist_wtd_sad128x128_avg,
aom_dist_wtd_sub_pixel_avg_variance128x128)
BFP(BLOCK_128X64, aom_sad128x64, aom_sad128x64_avg, aom_variance128x64,
aom_sub_pixel_variance128x64, aom_sub_pixel_avg_variance128x64,
aom_sad128x64x4d, aom_dist_wtd_sad128x64_avg,
aom_dist_wtd_sub_pixel_avg_variance128x64)
BFP(BLOCK_64X128, aom_sad64x128, aom_sad64x128_avg, aom_variance64x128,
aom_sub_pixel_variance64x128, aom_sub_pixel_avg_variance64x128,
aom_sad64x128x4d, aom_dist_wtd_sad64x128_avg,
aom_dist_wtd_sub_pixel_avg_variance64x128)
BFP(BLOCK_32X16, aom_sad32x16, aom_sad32x16_avg, aom_variance32x16,
aom_sub_pixel_variance32x16, aom_sub_pixel_avg_variance32x16,
aom_sad32x16x4d, aom_dist_wtd_sad32x16_avg,
aom_dist_wtd_sub_pixel_avg_variance32x16)
BFP(BLOCK_16X32, aom_sad16x32, aom_sad16x32_avg, aom_variance16x32,
aom_sub_pixel_variance16x32, aom_sub_pixel_avg_variance16x32,
aom_sad16x32x4d, aom_dist_wtd_sad16x32_avg,
aom_dist_wtd_sub_pixel_avg_variance16x32)
BFP(BLOCK_64X32, aom_sad64x32, aom_sad64x32_avg, aom_variance64x32,
aom_sub_pixel_variance64x32, aom_sub_pixel_avg_variance64x32,
aom_sad64x32x4d, aom_dist_wtd_sad64x32_avg,
aom_dist_wtd_sub_pixel_avg_variance64x32)
BFP(BLOCK_32X64, aom_sad32x64, aom_sad32x64_avg, aom_variance32x64,
aom_sub_pixel_variance32x64, aom_sub_pixel_avg_variance32x64,
aom_sad32x64x4d, aom_dist_wtd_sad32x64_avg,
aom_dist_wtd_sub_pixel_avg_variance32x64)
BFP(BLOCK_32X32, aom_sad32x32, aom_sad32x32_avg, aom_variance32x32,
aom_sub_pixel_variance32x32, aom_sub_pixel_avg_variance32x32,
aom_sad32x32x4d, aom_dist_wtd_sad32x32_avg,
aom_dist_wtd_sub_pixel_avg_variance32x32)
BFP(BLOCK_64X64, aom_sad64x64, aom_sad64x64_avg, aom_variance64x64,
aom_sub_pixel_variance64x64, aom_sub_pixel_avg_variance64x64,
aom_sad64x64x4d, aom_dist_wtd_sad64x64_avg,
aom_dist_wtd_sub_pixel_avg_variance64x64)
BFP(BLOCK_16X16, aom_sad16x16, aom_sad16x16_avg, aom_variance16x16,
aom_sub_pixel_variance16x16, aom_sub_pixel_avg_variance16x16,
aom_sad16x16x4d, aom_dist_wtd_sad16x16_avg,
aom_dist_wtd_sub_pixel_avg_variance16x16)
BFP(BLOCK_16X8, aom_sad16x8, aom_sad16x8_avg, aom_variance16x8,
aom_sub_pixel_variance16x8, aom_sub_pixel_avg_variance16x8,
aom_sad16x8x4d, aom_dist_wtd_sad16x8_avg,
aom_dist_wtd_sub_pixel_avg_variance16x8)
BFP(BLOCK_8X16, aom_sad8x16, aom_sad8x16_avg, aom_variance8x16,
aom_sub_pixel_variance8x16, aom_sub_pixel_avg_variance8x16,
aom_sad8x16x4d, aom_dist_wtd_sad8x16_avg,
aom_dist_wtd_sub_pixel_avg_variance8x16)
BFP(BLOCK_8X8, aom_sad8x8, aom_sad8x8_avg, aom_variance8x8,
aom_sub_pixel_variance8x8, aom_sub_pixel_avg_variance8x8, aom_sad8x8x4d,
aom_dist_wtd_sad8x8_avg, aom_dist_wtd_sub_pixel_avg_variance8x8)
BFP(BLOCK_8X4, aom_sad8x4, aom_sad8x4_avg, aom_variance8x4,
aom_sub_pixel_variance8x4, aom_sub_pixel_avg_variance8x4, aom_sad8x4x4d,
aom_dist_wtd_sad8x4_avg, aom_dist_wtd_sub_pixel_avg_variance8x4)
BFP(BLOCK_4X8, aom_sad4x8, aom_sad4x8_avg, aom_variance4x8,
aom_sub_pixel_variance4x8, aom_sub_pixel_avg_variance4x8, aom_sad4x8x4d,
aom_dist_wtd_sad4x8_avg, aom_dist_wtd_sub_pixel_avg_variance4x8)
BFP(BLOCK_4X4, aom_sad4x4, aom_sad4x4_avg, aom_variance4x4,
aom_sub_pixel_variance4x4, aom_sub_pixel_avg_variance4x4, aom_sad4x4x4d,
aom_dist_wtd_sad4x4_avg, aom_dist_wtd_sub_pixel_avg_variance4x4)
#define OBFP(BT, OSDF, OVF, OSVF) \
cpi->fn_ptr[BT].osdf = OSDF; \
cpi->fn_ptr[BT].ovf = OVF; \
cpi->fn_ptr[BT].osvf = OSVF;
OBFP(BLOCK_128X128, aom_obmc_sad128x128, aom_obmc_variance128x128,
aom_obmc_sub_pixel_variance128x128)
OBFP(BLOCK_128X64, aom_obmc_sad128x64, aom_obmc_variance128x64,
aom_obmc_sub_pixel_variance128x64)
OBFP(BLOCK_64X128, aom_obmc_sad64x128, aom_obmc_variance64x128,
aom_obmc_sub_pixel_variance64x128)
OBFP(BLOCK_64X64, aom_obmc_sad64x64, aom_obmc_variance64x64,
aom_obmc_sub_pixel_variance64x64)
OBFP(BLOCK_64X32, aom_obmc_sad64x32, aom_obmc_variance64x32,
aom_obmc_sub_pixel_variance64x32)
OBFP(BLOCK_32X64, aom_obmc_sad32x64, aom_obmc_variance32x64,
aom_obmc_sub_pixel_variance32x64)
OBFP(BLOCK_32X32, aom_obmc_sad32x32, aom_obmc_variance32x32,
aom_obmc_sub_pixel_variance32x32)
OBFP(BLOCK_32X16, aom_obmc_sad32x16, aom_obmc_variance32x16,
aom_obmc_sub_pixel_variance32x16)
OBFP(BLOCK_16X32, aom_obmc_sad16x32, aom_obmc_variance16x32,
aom_obmc_sub_pixel_variance16x32)
OBFP(BLOCK_16X16, aom_obmc_sad16x16, aom_obmc_variance16x16,
aom_obmc_sub_pixel_variance16x16)
OBFP(BLOCK_16X8, aom_obmc_sad16x8, aom_obmc_variance16x8,
aom_obmc_sub_pixel_variance16x8)
OBFP(BLOCK_8X16, aom_obmc_sad8x16, aom_obmc_variance8x16,
aom_obmc_sub_pixel_variance8x16)
OBFP(BLOCK_8X8, aom_obmc_sad8x8, aom_obmc_variance8x8,
aom_obmc_sub_pixel_variance8x8)
OBFP(BLOCK_4X8, aom_obmc_sad4x8, aom_obmc_variance4x8,
aom_obmc_sub_pixel_variance4x8)
OBFP(BLOCK_8X4, aom_obmc_sad8x4, aom_obmc_variance8x4,
aom_obmc_sub_pixel_variance8x4)
OBFP(BLOCK_4X4, aom_obmc_sad4x4, aom_obmc_variance4x4,
aom_obmc_sub_pixel_variance4x4)
OBFP(BLOCK_4X16, aom_obmc_sad4x16, aom_obmc_variance4x16,
aom_obmc_sub_pixel_variance4x16)
OBFP(BLOCK_16X4, aom_obmc_sad16x4, aom_obmc_variance16x4,
aom_obmc_sub_pixel_variance16x4)
OBFP(BLOCK_8X32, aom_obmc_sad8x32, aom_obmc_variance8x32,
aom_obmc_sub_pixel_variance8x32)
OBFP(BLOCK_32X8, aom_obmc_sad32x8, aom_obmc_variance32x8,
aom_obmc_sub_pixel_variance32x8)
OBFP(BLOCK_16X64, aom_obmc_sad16x64, aom_obmc_variance16x64,
aom_obmc_sub_pixel_variance16x64)
OBFP(BLOCK_64X16, aom_obmc_sad64x16, aom_obmc_variance64x16,
aom_obmc_sub_pixel_variance64x16)
#define MBFP(BT, MCSDF, MCSVF) \
cpi->fn_ptr[BT].msdf = MCSDF; \
cpi->fn_ptr[BT].msvf = MCSVF;
MBFP(BLOCK_128X128, aom_masked_sad128x128,
aom_masked_sub_pixel_variance128x128)
MBFP(BLOCK_128X64, aom_masked_sad128x64, aom_masked_sub_pixel_variance128x64)
MBFP(BLOCK_64X128, aom_masked_sad64x128, aom_masked_sub_pixel_variance64x128)
MBFP(BLOCK_64X64, aom_masked_sad64x64, aom_masked_sub_pixel_variance64x64)
MBFP(BLOCK_64X32, aom_masked_sad64x32, aom_masked_sub_pixel_variance64x32)
MBFP(BLOCK_32X64, aom_masked_sad32x64, aom_masked_sub_pixel_variance32x64)
MBFP(BLOCK_32X32, aom_masked_sad32x32, aom_masked_sub_pixel_variance32x32)
MBFP(BLOCK_32X16, aom_masked_sad32x16, aom_masked_sub_pixel_variance32x16)
MBFP(BLOCK_16X32, aom_masked_sad16x32, aom_masked_sub_pixel_variance16x32)
MBFP(BLOCK_16X16, aom_masked_sad16x16, aom_masked_sub_pixel_variance16x16)
MBFP(BLOCK_16X8, aom_masked_sad16x8, aom_masked_sub_pixel_variance16x8)
MBFP(BLOCK_8X16, aom_masked_sad8x16, aom_masked_sub_pixel_variance8x16)
MBFP(BLOCK_8X8, aom_masked_sad8x8, aom_masked_sub_pixel_variance8x8)
MBFP(BLOCK_4X8, aom_masked_sad4x8, aom_masked_sub_pixel_variance4x8)
MBFP(BLOCK_8X4, aom_masked_sad8x4, aom_masked_sub_pixel_variance8x4)
MBFP(BLOCK_4X4, aom_masked_sad4x4, aom_masked_sub_pixel_variance4x4)
MBFP(BLOCK_4X16, aom_masked_sad4x16, aom_masked_sub_pixel_variance4x16)
MBFP(BLOCK_16X4, aom_masked_sad16x4, aom_masked_sub_pixel_variance16x4)
MBFP(BLOCK_8X32, aom_masked_sad8x32, aom_masked_sub_pixel_variance8x32)
MBFP(BLOCK_32X8, aom_masked_sad32x8, aom_masked_sub_pixel_variance32x8)
MBFP(BLOCK_16X64, aom_masked_sad16x64, aom_masked_sub_pixel_variance16x64)
MBFP(BLOCK_64X16, aom_masked_sad64x16, aom_masked_sub_pixel_variance64x16)
#if CONFIG_AV1_HIGHBITDEPTH
highbd_set_var_fns(cpi);
#endif
/* 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(&cpi->enc_quant_dequant_params, &cm->quant_params,
cm->seq_params.bit_depth);
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();
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->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);
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, peak, (double)cpi->total_sq_error);
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.stat[STAT_ALL] / cpi->count, total_psnr,
cpi->psnr.stat[STAT_ALL] / cpi->count, total_psnr, total_ssim,
total_ssim, cpi->fastssim.stat[STAT_ALL] / cpi->count,
cpi->psnrhvs.stat[STAT_ALL] / cpi->count, cpi->psnr.worst,
cpi->worst_ssim, cpi->fastssim.worst, cpi->psnrhvs.worst,
cpi->psnr.stat[STAT_Y] / cpi->count,
cpi->psnr.stat[STAT_U] / cpi->count,
cpi->psnr.stat[STAT_V] / cpi->count);
if (cpi->b_calculate_blockiness) {
SNPRINT(headings, "\t Block\tWstBlck");
SNPRINT2(results, "\t%7.3f", cpi->total_blockiness / cpi->count);
SNPRINT2(results, "\t%7.3f", cpi->worst_blockiness);
}
if (cpi->b_calculate_consistency) {
double consistency =
aom_sse_to_psnr((double)cpi->total_samples, 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, "\t%7.2f", rate_err);
SNPRINT2(results, "\t%7.2f", fabs(rate_err));
fprintf(f, "%s\tAPsnr611\n", headings);
fprintf(f, "%s\t%7.3f\n", results,
(6 * cpi->psnr.stat[STAT_Y] + cpi->psnr.stat[STAT_U] +
cpi->psnr.stat[STAT_V]) /
(cpi->count * 8));
}
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);
}
#if !CONFIG_REALTIME_ONLY
av1_tpl_dealloc(&tpl_data->tpl_mt_sync);
#endif
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);
#if CONFIG_INTERNAL_STATS
aom_free(cpi->ssim_vars);
cpi->ssim_vars = NULL;
#endif // CONFIG_INTERNAL_STATS
av1_remove_common(cm);
av1_free_ref_frame_buffers(cm->buffer_pool);
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;
#if CONFIG_AV1_HIGHBITDEPTH
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);
#else
aom_calc_psnr(cpi->source, &cpi->common.cur_frame->buf, &psnr);
#endif
for (i = 0; i < 4; ++i) {
pkt.data.psnr.samples[i] = psnr.samples[i];
pkt.data.psnr.sse[i] = psnr.sse[i];
pkt.data.psnr.psnr[i] = psnr.psnr[i];
}
pkt.kind = 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) {
uint8_t *src = s->y_buffer;
int h = cm->height;
if (yuv_rec_file == NULL) return;
if (s->flags & YV12_FLAG_HIGHBITDEPTH) {
uint16_t *src16 = CONVERT_TO_SHORTPTR(s->y_buffer);
do {
fwrite(src16, s->y_width, 2, yuv_rec_file);
src16 += s->y_stride;
} while (--h);
src16 = CONVERT_TO_SHORTPTR(s->u_buffer);
h = s->uv_height;
do {
fwrite(src16, s->uv_width, 2, yuv_rec_file);
src16 += s->uv_stride;
} while (--h);
src16 = CONVERT_TO_SHORTPTR(s->v_buffer);
h = s->uv_height;
do {
fwrite(src16, s->uv_width, 2, yuv_rec_file);
src16 += s->uv_stride;
} while (--h);
fflush(yuv_rec_file);
return;
}
do {
fwrite(src, s->y_width, 1, yuv_rec_file);
src += s->y_stride;
} while (--h);
src = s->u_buffer;
h = s->uv_height;
do {
fwrite(src, s->uv_width, 1, yuv_rec_file);
src += s->uv_stride;
} while (--h);
src = s->v_buffer;
h = s->uv_height;
do {
fwrite(src, s->uv_width, 1, yuv_rec_file);
src += s->uv_stride;
} while (--h);
fflush(yuv_rec_file);
}
#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;
}
}
}
void av1_set_screen_content_options(const 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 uint8_t *src = cpi->unfiltered_source->y_buffer;
assert(src != NULL);
const int use_hbd = cpi->unfiltered_source->flags & YV12_FLAG_HIGHBITDEPTH;
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 << 12]; // Maximum (1 << 12) color levels.
const uint8_t *const this_src = src + r * stride + c;
const int n_colors =
use_hbd ? av1_count_colors_highbd(this_src, stride, blk_w, blk_h, bd,
count_buf)
: av1_count_colors(this_src, stride, blk_w, blk_h, count_buf);
if (n_colors > 1 && n_colors <= color_thresh) {
++counts_1;
struct buf_2d buf;
buf.stride = stride;
buf.buf = (uint8_t *)this_src;
const unsigned int var =
use_hbd
? av1_high_get_sby_perpixel_variance(cpi, &buf, BLOCK_16X16, bd)
: av1_get_sby_perpixel_variance(cpi, &buf, BLOCK_16X16);
if (var > var_thresh) ++counts_2;
}
}
}
// The threshold values are selected experimentally.
features->allow_screen_content_tools =
counts_1 * blk_h * blk_w * 10 > 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 * 12 > width * height;
}
// 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
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;
}
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 use_highbitdepth,
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->use_highbitdepth != use_highbitdepth ||
seq_params->subsampling_x != subsampling_x ||
seq_params->subsampling_y != subsampling_y) {
seq_params->subsampling_x = subsampling_x;
seq_params->subsampling_y = subsampling_y;
seq_params->use_highbitdepth = use_highbitdepth;
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.use_highbitdepth,
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);
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;
}
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, seq_params->use_highbitdepth,
cpi->oxcf.border_in_pixels, cm->features.byte_alignment, NULL, NULL,
NULL))
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;
av1_alloc_restoration_buffers(cm);
if (!is_stat_generation_stage(cpi)) alloc_util_frame_buffers(cpi);
init_motion_estimation(cpi);
for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_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);
}
}
av1_setup_scale_factors_for_frame(&cm->sf_identity, cm->width, cm->height,
cm->width, cm->height);
set_ref_ptrs(cm, xd, LAST_FRAME, LAST_FRAME);
}
/*!\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) {
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
av1_cdef_frame(&cm->cur_frame->buf, cm, xd);
#if CONFIG_COLLECT_COMPONENT_TIMING
end_timing(cpi, cdef_time);
#endif
} 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;
}
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 (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 (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_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;
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);
}
/*!\brief Encode a frame without the recode loop, usually used in one-pass
* encoding and realtime coding.
*
* \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;
SVC *const svc = &cpi->svc;
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 =
cpi->use_svc ? svc->downsample_filter_type[svc->spatial_layer_id]
: EIGHTTAP_SMOOTH;
int phase_scaler =
cpi->use_svc ? svc->downsample_filter_phase[svc->spatial_layer_id] : 0;
set_size_independent_vars(cpi);
av1_setup_frame_size(cpi);
av1_set_size_dependent_vars(cpi, &q, &bottom_index, &top_index);
if (!cpi->use_svc) {
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 (cpi->sf.part_sf.partition_search_type == VAR_BASED_PARTITION)
variance_partition_alloc(cpi);
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, 1);
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, 1);
}
if (cpi->sf.rt_sf.use_temporal_noise_estimate) {
av1_update_noise_estimate(cpi);
}
// For 1 spatial layer encoding: if the (non-LAST) reference has different
// resolution from the source then disable that reference. This is to avoid
// significant increase in encode time from scaling the references in
// av1_scale_references. Note GOLDEN is forced to update on the (first/tigger)
// resized frame and ALTREF will be refreshed ~4 frames later, so both
// references become available again after few frames.
if (svc->number_spatial_layers == 1) {
if (cpi->ref_frame_flags & av1_ref_frame_flag_list[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)
cpi->ref_frame_flags ^= AOM_GOLD_FLAG;
}
if (cpi->ref_frame_flags & av1_ref_frame_flag_list[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)
cpi->ref_frame_flags ^= AOM_ALT_FLAG;
}
}
// 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) &&
!(cpi->use_svc && cpi->svc.force_zero_mode_spatial_ref))
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);
av1_set_speed_features_qindex_dependent(cpi, cpi->oxcf.speed);
if (q_cfg->deltaq_mode != NO_DELTA_Q)
av1_init_quantizer(&cpi->enc_quant_dequant_params, &cm->quant_params,
cm->seq_params.bit_depth);
av1_set_variance_partition_thresholds(cpi, q, 0);
av1_setup_frame(cpi);
// Check if this high_source_sad (scene/slide change) frame should be
// encoded at high/max QP, and if so, set the q and adjust some rate
// control parameters.
if (cpi->sf.rt_sf.overshoot_detection_cbr == FAST_DETECTION_MAXQ &&
cpi->rc.high_source_sad) {
if (av1_encodedframe_overshoot_cbr(cpi, &q)) {
av1_set_quantizer(cm, q_cfg->qm_minlevel, q_cfg->qm_maxlevel, q,
q_cfg->enable_chroma_deltaq);
av1_set_speed_features_qindex_dependent(cpi, cpi->oxcf.speed);
if (q_cfg->deltaq_mode != NO_DELTA_Q)
av1_init_quantizer(&cpi->enc_quant_dequant_params, &cm->quant_params,
cm->seq_params.bit_depth);
av1_set_variance_partition_thresholds(cpi, q, 0);
if (frame_is_intra_only(cm) || cm->features.error_resilient_mode)
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);
// 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;
}
#if !CONFIG_REALTIME_ONLY
/*!\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);
if (is_stat_consumption_stage_twopass(cpi) &&
cpi->sf.interp_sf.adaptive_interp_filter_search)
cpi->interp_search_flags.interp_filter_search_mask =
av1_setup_interp_filter_search_mask(cpi);
cpi->source->buf_8bit_valid = 0;
av1_setup_frame_size(cpi);
#if CONFIG_SUPERRES_IN_RECODE
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;
}
#endif // CONFIG_SUPERRES_IN_RECODE
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 (cpi->sf.part_sf.partition_search_type == VAR_BASED_PARTITION)
variance_partition_alloc(cpi);
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);
// Loop variables
int loop = 0;
int loop_count = 0;
int overshoot_seen = 0;
int undershoot_seen = 0;
int low_cr_seen = 0;
int last_loop_allow_hp = 0;
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, 0);
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, 0);
}
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_WITHOUT_PREPROCESSING ||
oxcf->tune_cfg.tuning == AOM_TUNE_VMAF_MAX_GAIN) {
av1_set_quantizer(cm, q_cfg->qm_minlevel, q_cfg->qm_maxlevel,
av1_get_vmaf_base_qindex(cpi, q),
q_cfg->enable_chroma_deltaq);
} else {
#endif
av1_set_quantizer(cm, q_cfg->qm_minlevel, q_cfg->qm_maxlevel, q,
q_cfg->enable_chroma_deltaq);
#if CONFIG_TUNE_VMAF
}
#endif
av1_set_speed_features_qindex_dependent(cpi, oxcf->speed);
if (q_cfg->deltaq_mode != NO_DELTA_Q)
av1_init_quantizer(&cpi->enc_quant_dequant_params, &cm->quant_params,
cm->seq_params.bit_depth);
av1_set_variance_partition_thresholds(cpi, q, 0);
// 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) == 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.allow_high_precision_mv != last_loop_allow_hp) {
gm_info->search_done = 0;
}
last_loop_allow_hp = cm->features.allow_high_precision_mv;
}
// 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 (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 (allow_recode && !cpi->sf.gm_sf.gm_disable_recode &&
av1_recode_loop_test_global_motion(cm->global_motion,
cpi->td.rd_counts.global_motion_used,
gm_info->params_cost)) {
loop = 1;
}
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;