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uvg266/src/encoder_state-ctors_dtors.c

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/*****************************************************************************
* This file is part of Kvazaar HEVC encoder.
*
* Copyright (C) 2013-2015 Tampere University of Technology and others (see
* COPYING file).
*
* Kvazaar is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include "encoder_state-ctors_dtors.h"
#include <stdio.h>
#include <stdlib.h>
#include "bitstream.h"
#include "cabac.h"
#include "cu.h"
#include "encoder.h"
#include "encoder_state-geometry.h"
#include "encoderstate.h"
#include "image.h"
#include "imagelist.h"
#include "kvazaar.h"
#include "threadqueue.h"
#include "videoframe.h"
#include "rate_control.h"
#include "alf.h"
#include "reshape.h"
static int encoder_state_config_frame_init(encoder_state_t * const state) {
state->frame->ref = kvz_image_list_alloc(MAX_REF_PIC_COUNT);
if(!state->frame->ref) {
fprintf(stderr, "Failed to allocate the picture list!\n");
return 0;
}
state->frame->ref_list = REF_PIC_LIST_0;
state->frame->num = 0;
state->frame->poc = 0;
state->frame->total_bits_coded = 0;
state->frame->cur_frame_bits_coded = 0;
state->frame->cur_gop_bits_coded = 0;
state->frame->prepared = 0;
state->frame->done = 1;
state->frame->rc_alpha = 3.2003;
state->frame->rc_beta = -1.367;
state->frame->icost = 0;
const encoder_control_t * const encoder = state->encoder_control;
const int num_lcus = encoder->in.width_in_lcu * encoder->in.height_in_lcu;
state->frame->lcu_stats = calloc(num_lcus, sizeof(lcu_stats_t));
state->frame->aq_offsets = MALLOC(double, num_lcus);
for (int y = 0; y < encoder->in.height_in_lcu; y++) {
for (int x = 0; x < encoder->in.width_in_lcu; x++) {
int temp = MIN(encoder->cfg.width - x * 64, 64) * MIN(encoder->cfg.height - y * 64, 64);
state->frame->lcu_stats[x + y * encoder->in.width_in_lcu].pixels = temp;
}
}
state->frame->c_para = malloc(sizeof(double) * num_lcus);
if(state->frame->c_para == NULL) {
return 0;
}
state->frame->k_para = malloc(sizeof(double) * num_lcus);
if (state->frame->k_para == NULL) {
return 0;
}
pthread_mutex_init(&state->frame->rc_lock, NULL);
state->frame->new_ratecontrol = kvz_get_rc_data(NULL);
return 1;
}
static void encoder_state_config_frame_finalize(encoder_state_t * const state) {
if (state->frame == NULL) return;
pthread_mutex_destroy(&state->frame->rc_lock);
if (state->frame->c_para) FREE_POINTER(state->frame->c_para);
if (state->frame->k_para) FREE_POINTER(state->frame->k_para);
kvz_image_list_destroy(state->frame->ref);
FREE_POINTER(state->frame->lcu_stats);
FREE_POINTER(state->frame->aq_offsets);
}
static int encoder_state_config_tile_init(encoder_state_t * const state,
const int lcu_offset_x, const int lcu_offset_y,
const int width, const int height, const int width_in_lcu, const int height_in_lcu) {
const encoder_control_t * const encoder = state->encoder_control;
state->tile->frame = kvz_videoframe_alloc(width, height, state->encoder_control->chroma_format, encoder->cfg.alf_type);
state->tile->frame->rec = NULL;
state->tile->frame->source = NULL;
if (!state->tile->frame) {
printf("Error allocating videoframe!\r\n");
return 0;
}
state->tile->lcu_offset_x = lcu_offset_x;
state->tile->lcu_offset_y = lcu_offset_y;
state->tile->offset_x = lcu_offset_x * LCU_WIDTH;
state->tile->offset_y = lcu_offset_y * LCU_WIDTH;
state->tile->lcu_offset_in_ts = encoder->tiles_ctb_addr_rs_to_ts[lcu_offset_x + lcu_offset_y * encoder->in.width_in_lcu];
// hor_buf_search and ver_buf_search store single row/col from each LCU row/col.
// Because these lines are independent, the chroma subsampling only matters in one
// of the directions, .
unsigned luma_size = LCU_WIDTH * state->tile->frame->width_in_lcu * state->tile->frame->height_in_lcu;
unsigned chroma_sizes_hor[] = { 0, luma_size / 2, luma_size / 2, luma_size };
unsigned chroma_sizes_ver[] = { 0, luma_size / 2, luma_size, luma_size };
unsigned chroma_size_hor = chroma_sizes_hor[state->encoder_control->chroma_format];
unsigned chroma_size_ver = chroma_sizes_ver[state->encoder_control->chroma_format];
state->tile->hor_buf_search = kvz_yuv_t_alloc(luma_size, chroma_size_hor);
state->tile->ver_buf_search = kvz_yuv_t_alloc(luma_size, chroma_size_ver);
if (encoder->cfg.sao_type) {
state->tile->hor_buf_before_sao = kvz_yuv_t_alloc(luma_size, chroma_size_hor);
state->tile->ver_buf_before_sao = kvz_yuv_t_alloc(luma_size, chroma_size_ver);
} else {
state->tile->hor_buf_before_sao = NULL;
state->tile->ver_buf_before_sao = NULL;
}
if (encoder->cfg.wpp) {
int num_jobs = state->tile->frame->width_in_lcu * state->tile->frame->height_in_lcu;
state->tile->wf_jobs = MALLOC(threadqueue_job_t*, num_jobs);
state->tile->wf_recon_jobs = MALLOC(threadqueue_job_t*, num_jobs);
for (int i = 0; i < num_jobs; ++i) {
state->tile->wf_jobs[i] = NULL;
state->tile->wf_recon_jobs[i] = NULL;
}
if (!state->tile->wf_jobs) {
printf("Error allocating wf_jobs array!\n");
return 0;
}
} else {
state->tile->wf_jobs = NULL;
state->tile->wf_recon_jobs = NULL;
}
state->tile->id = encoder->tiles_tile_id[state->tile->lcu_offset_in_ts];
return 1;
}
static void encoder_state_config_tile_finalize(encoder_state_t * const state) {
if (state->tile == NULL) return;
kvz_yuv_t_free(state->tile->hor_buf_search);
kvz_yuv_t_free(state->tile->ver_buf_search);
kvz_yuv_t_free(state->tile->hor_buf_before_sao);
kvz_yuv_t_free(state->tile->ver_buf_before_sao);
if (state->encoder_control->cfg.wpp) {
int num_jobs = state->tile->frame->width_in_lcu * state->tile->frame->height_in_lcu;
for (int i = 0; i < num_jobs; ++i) {
kvz_threadqueue_free_job(&state->tile->wf_jobs[i]);
kvz_threadqueue_free_job(&state->tile->wf_recon_jobs[i]);
}
}
kvz_videoframe_free(state->tile->frame);
state->tile->frame = NULL;
FREE_POINTER(state->tile->wf_jobs);
FREE_POINTER(state->tile->wf_recon_jobs);
}
static int encoder_state_config_slice_init(encoder_state_t * const state,
const int start_address_in_ts,
const int end_address_in_ts)
{
state->slice->id = -1;
for (int i = 0; i < state->encoder_control->slice_count; ++i) {
if (state->encoder_control->slice_addresses_in_ts[i] == start_address_in_ts) {
state->slice->id = i;
break;
}
}
assert(state->slice->id != -1);
state->slice->start_in_ts = start_address_in_ts;
state->slice->end_in_ts = end_address_in_ts;
state->slice->start_in_rs = state->encoder_control->tiles_ctb_addr_ts_to_rs[start_address_in_ts];
state->slice->end_in_rs = state->encoder_control->tiles_ctb_addr_ts_to_rs[end_address_in_ts];
return 1;
}
static int encoder_state_config_wfrow_init(encoder_state_t * const state,
const int lcu_offset_y) {
state->wfrow->lcu_offset_y = lcu_offset_y;
return 1;
}
#ifdef KVZ_DEBUG_PRINT_THREADING_INFO
static void encoder_state_dump_graphviz(const encoder_state_t * const state) {
int i;
if (!state->parent) {
const encoder_control_t * const encoder = state->encoder_control;
int y,x;
//Empty lines (easier to copy-paste)
printf("\n\n\n\n\n");
//Some styling...
printf("digraph EncoderStates {\n");
printf(" fontname = \"Bitstream Vera Sans\"\n");
printf(" fontsize = 8\n\n");
printf(" node [\n");
printf(" fontname = \"Bitstream Vera Sans\"\n");
printf(" fontsize = 8\n");
printf(" shape = \"record\"\n");
printf(" ]\n\n");
printf(" edge [\n");
printf(" arrowtail = \"empty\"\n");
printf(" ]\n\n");
printf(" \"Map\" [\n");
printf(" shape=plaintext\n");
printf(" label = <<table cellborder=\"1\" cellspacing=\"0\" border=\"0\">");
printf("<tr><td colspan=\"%d\" height=\"20\" valign=\"bottom\"><b>RS Map</b></td></tr>", encoder->in.width_in_lcu);
for (y = 0; y < encoder->in.height_in_lcu; ++y) {
printf("<tr>");
for (x = 0; x < encoder->in.width_in_lcu; ++x) {
const int lcu_id_rs = y * encoder->in.width_in_lcu + x;
printf("<td>%d</td>", lcu_id_rs);
}
printf("</tr>");
}
printf("<tr><td colspan=\"%d\" height=\"20\" valign=\"bottom\"><b>TS Map</b></td></tr>", encoder->in.width_in_lcu);
for (y = 0; y < encoder->in.height_in_lcu; ++y) {
printf("<tr>");
for (x = 0; x < encoder->in.width_in_lcu; ++x) {
const int lcu_id_rs = y * encoder->in.width_in_lcu + x;
const int lcu_id_ts = encoder->tiles_ctb_addr_rs_to_ts[lcu_id_rs];
printf("<td>%d</td>", lcu_id_ts);
}
printf("</tr>");
}
printf("<tr><td colspan=\"%d\" height=\"20\" valign=\"bottom\"><b>Tile map</b></td></tr>", encoder->in.width_in_lcu);
for (y = 0; y < encoder->in.height_in_lcu; ++y) {
printf("<tr>");
for (x = 0; x < encoder->in.width_in_lcu; ++x) {
const int lcu_id_rs = y * encoder->in.width_in_lcu + x;
const int lcu_id_ts = encoder->tiles_ctb_addr_rs_to_ts[lcu_id_rs];
printf("<td>%d</td>", encoder->tiles_tile_id[lcu_id_ts]);
}
printf("</tr>");
}
printf("<tr><td colspan=\"%d\" height=\"20\" valign=\"bottom\"><b>Slice map</b></td></tr>", encoder->in.width_in_lcu);
for (y = 0; y < encoder->in.height_in_lcu; ++y) {
printf("<tr>");
for (x = 0; x < encoder->in.width_in_lcu; ++x) {
const int lcu_id_rs = y * encoder->in.width_in_lcu + x;
const int lcu_id_ts = encoder->tiles_ctb_addr_rs_to_ts[lcu_id_rs];
int slice_id = 0;
//Not efficient, but who cares
for (i=0; i < encoder->slice_count; ++i) {
if (encoder->slice_addresses_in_ts[i] <= lcu_id_ts) {
slice_id = i;
}
}
printf("<td>%d</td>", slice_id);
}
printf("</tr>");
}
printf("</table>>\n ]\n");
}
printf(" \"%p\" [\n", state);
printf(" label = \"{encoder_state|");
printf("+ type=%c\\l", state->type);
if (!state->parent || state->frame != state->parent->global) {
printf("|+ global\\l");
}
if (!state->parent || state->tile != state->parent->tile) {
printf("|+ tile\\l");
printf(" - id = %d\\l", state->tile->id);
printf(" - lcu_offset_x = %d\\l", state->tile->lcu_offset_x);
printf(" - lcu_offset_y = %d\\l", state->tile->lcu_offset_y);
printf(" - lcu_offset_in_ts = %d\\l", state->tile->lcu_offset_in_ts);
}
if (!state->parent || state->slice != state->parent->slice) {
printf("|+ slice\\l");
printf(" - id = %d\\l", state->slice->id);
printf(" - start_in_ts = %d\\l", state->slice->start_in_ts);
printf(" - end_in_ts = %d\\l", state->slice->end_in_ts);
printf(" - start_in_rs = %d\\l", state->slice->start_in_rs);
printf(" - end_in_rs = %d\\l", state->slice->end_in_rs);
}
if (!state->parent || state->wfrow != state->parent->wfrow) {
printf("|+ wfrow\\l");
printf(" - lcu_offset_y = %d\\l", state->wfrow->lcu_offset_y);
}
printf("}\"\n");
printf(" ]\n");
if (state->parent) {
printf(" \"%p\" -> \"%p\"\n", state->parent, state);
}
for (i = 0; state->children[i].encoder_control; ++i) {
encoder_state_dump_graphviz(&state->children[i]);
}
if (!state->parent) {
printf("}\n");
//Empty lines (easier to copy-paste)
printf("\n\n\n\n\n");
}
}
#endif //KVZ_DEBUG_PRINT_THREADING_INFO
/**
* \brief Initializer for main thread related things
mostly arrays that are only needed one per frame
* \param state encoder state
* \returns int
*/
static int encoder_state_main_init(encoder_state_t* const state) {
uint32_t lcus_in_frame = state->tile->frame->width_in_lcu * state->tile->frame->height_in_lcu;
state->tile->frame->lmcs_aps = calloc(1, sizeof(lmcs_aps));
state->tile->frame->lmcs_avg_processed = calloc(1, lcus_in_frame * sizeof(int8_t));
state->tile->frame->lmcs_avg = calloc(1, lcus_in_frame * sizeof(int32_t));
if (state->encoder_control->cfg.alf_type) {
state->slice->alf = malloc(sizeof(*state->slice->alf));
state->slice->alf->apss = malloc(sizeof(alf_aps) * ALF_CTB_MAX_NUM_APS);
state->slice->alf->tile_group_luma_aps_id = malloc(ALF_CTB_MAX_NUM_APS * sizeof(int8_t));
state->slice->alf->cc_filter_param = malloc(sizeof(*state->slice->alf->cc_filter_param));
for (int aps_idx = 0; aps_idx < ALF_CTB_MAX_NUM_APS; aps_idx++) {
state->slice->alf->tile_group_luma_aps_id[aps_idx] = -1;
}
state->slice->alf->tile_group_num_aps = -1;
state->slice->alf->tile_group_chroma_aps_id = -1;
state->slice->alf->tile_group_cc_alf_cb_enabled_flag = 0;
state->slice->alf->tile_group_cc_alf_cr_enabled_flag = 0;
state->slice->alf->tile_group_cc_alf_cb_aps_id = -1;
state->slice->alf->tile_group_cc_alf_cr_aps_id = -1;
state->slice->alf->num_of_param_sets = 0;
memset(state->slice->alf->tile_group_alf_enabled_flag, 0, sizeof(state->slice->alf->tile_group_alf_enabled_flag));
if (state->encoder_control->cfg.alf_type == KVZ_ALF_FULL) {
kvz_reset_cc_alf_aps_param(state->slice->alf->cc_filter_param);
}
state->tile->frame->alf_info = MALLOC(alf_info_t, 1);
kvz_alf_create(state->tile->frame, state->encoder_control->chroma_format);
kvz_set_aps_map(state->tile->frame, state->encoder_control->cfg.alf_type);
}
return 1;
}
static int encoder_state_main_finalize(encoder_state_t* const state) {
FREE_POINTER(state->tile->frame->lmcs_aps);
FREE_POINTER(state->tile->frame->lmcs_avg_processed);
FREE_POINTER(state->tile->frame->lmcs_avg);
if (state->encoder_control->cfg.alf_type) {
if (state->slice->alf->apss != NULL) {
FREE_POINTER(state->slice->alf->apss);
}
if (state->slice->alf->tile_group_luma_aps_id != NULL) {
FREE_POINTER(state->slice->alf->tile_group_luma_aps_id);
}
if (state->slice->alf->cc_filter_param != NULL) {
FREE_POINTER(state->slice->alf->cc_filter_param);
}
FREE_POINTER(state->slice->alf);
kvz_alf_destroy(state->tile->frame);
FREE_POINTER(state->tile->frame->alf_info);
FREE_POINTER(state->tile->frame->alf_param_set_map);
}
return 1;
}
int kvz_encoder_state_init(encoder_state_t * const child_state, encoder_state_t * const parent_state) {
//We require that, if parent_state is NULL:
//child_state->encoder_control is set
//
//If parent_state is not NULL, the following variable should either be set to NULL,
//in order to inherit from parent, or should point to a valid structure:
//child_state->frame
//child_state->tile
//child_state->slice
//child_state->wfrow
child_state->parent = parent_state;
child_state->children = MALLOC(encoder_state_t, 1);
child_state->children[0].encoder_control = NULL;
child_state->must_code_qp_delta = false;
child_state->tqj_bitstream_written = NULL;
child_state->tqj_recon_done = NULL;
child_state->tqj_alf_process = NULL;
if (!parent_state) {
const encoder_control_t * const encoder = child_state->encoder_control;
child_state->type = ENCODER_STATE_TYPE_MAIN;
assert(child_state->encoder_control);
child_state->frame = MALLOC(encoder_state_config_frame_t, 1);
if (!child_state->frame || !encoder_state_config_frame_init(child_state)) {
fprintf(stderr, "Could not initialize encoder_state->frame!\n");
return 0;
}
child_state->tile = MALLOC(encoder_state_config_tile_t, 1);
if (!child_state->tile || !encoder_state_config_tile_init(child_state, 0, 0, encoder->in.width, encoder->in.height, encoder->in.width_in_lcu, encoder->in.height_in_lcu)) {
fprintf(stderr, "Could not initialize encoder_state->tile!\n");
return 0;
}
child_state->slice = MALLOC(encoder_state_config_slice_t, 1);
if (!child_state->slice || !encoder_state_config_slice_init(child_state, 0, encoder->in.width_in_lcu * encoder->in.height_in_lcu - 1)) {
fprintf(stderr, "Could not initialize encoder_state->slice!\n");
return 0;
}
child_state->wfrow = MALLOC(encoder_state_config_wfrow_t, 1);
if (!child_state->wfrow || !encoder_state_config_wfrow_init(child_state, 0)) {
fprintf(stderr, "Could not initialize encoder_state->wfrow!\n");
return 0;
}
} else {
child_state->encoder_control = parent_state->encoder_control;
if (!child_state->frame) child_state->frame = parent_state->frame;
if (!child_state->tile) child_state->tile = parent_state->tile;
if (!child_state->slice) child_state->slice = parent_state->slice;
if (!child_state->wfrow) child_state->wfrow = parent_state->wfrow;
}
// Intialization of the constraint structure
child_state->constraint = kvz_init_constraint(child_state->constraint, child_state->encoder_control);
kvz_bitstream_init(&child_state->stream);
// Set CABAC output bitstream
child_state->cabac.stream = &child_state->stream;
//Create sub-encoders
{
const encoder_control_t * const encoder = child_state->encoder_control;
int child_count = 0;
//We first check the type of this element.
//If it's a MAIN, it can allow both slices or tiles as child
//If it's a TILE, it can allow slices as child, if its parent is not a slice, or wavefront rows if there is no other children
//If it's a SLICE, it can allow tiles as child, if its parent is not a tile, or wavefront rows if there is no other children
//If it's a WAVEFRONT_ROW, it doesn't allow any children
int children_allow_wavefront_row = 0;
int children_allow_slice = 0;
int children_allow_tile = 0;
int range_start;
// First index of this encoder state in tile scan order.
int start_in_ts;
// Index of the first LCU after this state in tile scan order.
int end_in_ts;
switch(child_state->type) {
case ENCODER_STATE_TYPE_MAIN:
children_allow_slice = 1;
children_allow_tile = 1;
start_in_ts = 0;
end_in_ts = child_state->tile->frame->width_in_lcu * child_state->tile->frame->height_in_lcu;
encoder_state_main_init(child_state);
break;
case ENCODER_STATE_TYPE_SLICE:
assert(child_state->parent);
if (child_state->parent->type != ENCODER_STATE_TYPE_TILE) children_allow_tile = 1;
start_in_ts = child_state->slice->start_in_ts;
end_in_ts = child_state->slice->end_in_ts + 1;
int num_wpp_rows = (end_in_ts - start_in_ts) / child_state->tile->frame->width_in_lcu;
children_allow_wavefront_row = encoder->cfg.wpp && num_wpp_rows > 1;
break;
case ENCODER_STATE_TYPE_TILE:
assert(child_state->parent);
if (child_state->parent->type != ENCODER_STATE_TYPE_SLICE) children_allow_slice = 1;
children_allow_wavefront_row =
encoder->cfg.wpp && child_state->tile->frame->height_in_lcu > 1;
start_in_ts = child_state->tile->lcu_offset_in_ts;
end_in_ts = child_state->tile->lcu_offset_in_ts + child_state->tile->frame->width_in_lcu * child_state->tile->frame->height_in_lcu;
break;
case ENCODER_STATE_TYPE_WAVEFRONT_ROW:
//GCC tries to be too clever...
start_in_ts = -1;
end_in_ts = -1;
break;
default:
fprintf(stderr, "Invalid encoder_state->type %d!\n", child_state->type);
assert(0);
return 0;
}
range_start = start_in_ts;
//printf("%c-%p: start_in_ts=%d, end_in_ts=%d\n",child_state->type, child_state, start_in_ts, end_in_ts);
while (range_start < end_in_ts && (children_allow_slice || children_allow_tile)) {
encoder_state_t *new_child = NULL;
int range_end_slice = range_start; //Will be incremented to get the range of the "thing"
int range_end_tile = range_start; //Will be incremented to get the range of the "thing"
int tile_allowed = kvz_lcu_at_tile_start(encoder, range_start) && children_allow_tile;
int slice_allowed = kvz_lcu_at_slice_start(encoder, range_start) && children_allow_slice;
//Find the smallest structure following the cursor
if (slice_allowed) {
while(!kvz_lcu_at_slice_end(encoder, range_end_slice)) {
++range_end_slice;
}
}
if (tile_allowed) {
while(!kvz_lcu_at_tile_end(encoder, range_end_tile)) {
++range_end_tile;
}
}
//printf("range_start=%d, range_end_slice=%d, range_end_tile=%d, tile_allowed=%d, slice_allowed=%d end_in_ts=%d\n",range_start,range_end_slice,range_end_tile,tile_allowed,slice_allowed,end_in_ts);
if ((!tile_allowed || (range_end_slice >= range_end_tile)) && !new_child && slice_allowed) {
//Create a slice
new_child = &child_state->children[child_count];
new_child->encoder_control = encoder;
new_child->type = ENCODER_STATE_TYPE_SLICE;
new_child->frame = child_state->frame;
new_child->tile = child_state->tile;
new_child->wfrow = child_state->wfrow;
new_child->slice = MALLOC(encoder_state_config_slice_t, 1);
if (!new_child->slice || !encoder_state_config_slice_init(new_child, range_start, range_end_slice)) {
fprintf(stderr, "Could not initialize encoder_state->slice!\n");
return 0;
}
}
if ((!slice_allowed || (range_end_slice < range_end_tile)) && !new_child && tile_allowed) {
//Create a tile
int tile_id = encoder->tiles_tile_id[range_start];
int tile_x = tile_id % encoder->cfg.tiles_width_count;
int tile_y = tile_id / encoder->cfg.tiles_width_count;
int lcu_offset_x = encoder->tiles_col_bd[tile_x];
int lcu_offset_y = encoder->tiles_row_bd[tile_y];
int width_in_lcu = encoder->tiles_col_bd[tile_x+1]-encoder->tiles_col_bd[tile_x];
int height_in_lcu = encoder->tiles_row_bd[tile_y+1]-encoder->tiles_row_bd[tile_y];
int width = MIN(width_in_lcu * LCU_WIDTH, encoder->in.width - lcu_offset_x * LCU_WIDTH);
int height = MIN(height_in_lcu * LCU_WIDTH, encoder->in.height - lcu_offset_y * LCU_WIDTH);
new_child = &child_state->children[child_count];
new_child->encoder_control = encoder;
new_child->type = ENCODER_STATE_TYPE_TILE;
new_child->frame = child_state->frame;
new_child->tile = MALLOC(encoder_state_config_tile_t, 1);
new_child->slice = child_state->slice;
new_child->wfrow = child_state->wfrow;
if (!new_child->tile || !encoder_state_config_tile_init(new_child, lcu_offset_x, lcu_offset_y, width, height, width_in_lcu, height_in_lcu)) {
fprintf(stderr, "Could not initialize encoder_state->tile!\n");
return 0;
}
}
if (new_child) {
child_state->children = realloc(child_state->children, sizeof(encoder_state_t) * (2+child_count));
if (!child_state->children) {
fprintf(stderr, "Failed to allocate memory for children...\n");
return 0;
}
child_state->children[1 + child_count].encoder_control = NULL;
//Fix children parent (since we changed the address), except for the last one which is not ready yet
{
int i, j;
for (i = 0; child_state->children[i].encoder_control && i < child_count; ++i) {
for (j = 0; child_state->children[i].children[j].encoder_control; ++j) {
child_state->children[i].children[j].parent = &child_state->children[i];
}
for (j = 0; j < child_state->children[i].lcu_order_count; ++j) {
child_state->children[i].lcu_order[j].encoder_state = &child_state->children[i];
}
child_state->children[i].cabac.stream = &child_state->children[i].stream;
}
}
if (!kvz_encoder_state_init(&child_state->children[child_count], child_state)) {
fprintf(stderr, "Unable to init child...\n");
return 0;
}
child_count += 1;
}
range_start = MAX(range_end_slice, range_end_tile) + 1;
}
//We create wavefronts only if we have no children
if (children_allow_wavefront_row && child_count == 0) {
int first_row = encoder->tiles_ctb_addr_ts_to_rs[start_in_ts] / encoder->in.width_in_lcu;
int last_row = encoder->tiles_ctb_addr_ts_to_rs[start_in_ts] / encoder->in.width_in_lcu;
int num_rows;
int i;
assert(!(children_allow_slice || children_allow_tile));
assert(child_count == 0);
for (i=start_in_ts; i<end_in_ts; ++i) {
const int row = encoder->tiles_ctb_addr_ts_to_rs[i] / encoder->in.width_in_lcu;
if (row < first_row) first_row = row;
if (row > last_row) last_row = row;
}
num_rows = last_row - first_row + 1;
//When entropy_coding_sync_enabled_flag is equal to 1 and the first coding tree block in a slice is not the first coding
//tree block of a row of coding tree blocks in a tile, it is a requirement of bitstream conformance that the last coding tree
//block in the slice shall belong to the same row of coding tree blocks as the first coding tree block in the slice.
if (encoder->tiles_ctb_addr_ts_to_rs[start_in_ts] % encoder->in.width_in_lcu != child_state->tile->lcu_offset_x) {
if (num_rows > 1) {
fprintf(stderr, "Invalid: first CTB in slice %d is not at the tile %d edge, and the slice spans on more than one row.\n", child_state->slice->id, child_state->tile->id);
return 0;
}
}
//FIXME Do the same kind of check if we implement slice segments
child_count = num_rows;
child_state->children = realloc(child_state->children, sizeof(encoder_state_t) * (num_rows + 1));
child_state->children[num_rows].encoder_control = NULL;
for (i=0; i < num_rows; ++i) {
encoder_state_t *new_child = &child_state->children[i];
new_child->encoder_control = encoder;
new_child->type = ENCODER_STATE_TYPE_WAVEFRONT_ROW;
new_child->frame = child_state->frame;
new_child->tile = child_state->tile;
new_child->slice = child_state->slice;
new_child->wfrow = MALLOC(encoder_state_config_wfrow_t, 1);
if (!new_child->wfrow || !encoder_state_config_wfrow_init(new_child, i)) {
fprintf(stderr, "Could not initialize encoder_state->wfrow!\n");
return 0;
}
if (!kvz_encoder_state_init(new_child, child_state)) {
fprintf(stderr, "Unable to init child...\n");
return 0;
}
}
}
child_state->is_leaf = (child_count == 0);
//This node is a leaf, compute LCU-order
if (child_state->is_leaf) {
//All LCU computations are relative to the tile
//Remark: this could be optimized, but since it's run only once, it's better to do it in a understandable way.
//By default, the full tile
int i;
int lcu_id;
int lcu_start = 0;
//End is the element AFTER the end (iterate < lcu_end)
int lcu_end = child_state->tile->frame->width_in_lcu * child_state->tile->frame->height_in_lcu;
//Restrict to the current slice if needed
lcu_start = MAX(lcu_start, child_state->slice->start_in_ts - child_state->tile->lcu_offset_in_ts);
lcu_end = MIN(lcu_end, child_state->slice->end_in_ts - child_state->tile->lcu_offset_in_ts + 1);
//Restrict to the current wavefront row if needed
if (child_state->type == ENCODER_STATE_TYPE_WAVEFRONT_ROW) {
lcu_start = MAX(lcu_start, (child_state->wfrow->lcu_offset_y) * child_state->tile->frame->width_in_lcu);
lcu_end = MIN(lcu_end, (child_state->wfrow->lcu_offset_y + 1) * child_state->tile->frame->width_in_lcu);
}
child_state->lcu_order_count = lcu_end - lcu_start;
child_state->lcu_order = MALLOC(lcu_order_element_t, child_state->lcu_order_count);
assert(child_state->lcu_order);
for (i = 0; i < child_state->lcu_order_count; ++i) {
lcu_id = lcu_start + i;
child_state->lcu_order[i].encoder_state = child_state;
child_state->lcu_order[i].id = lcu_id;
child_state->lcu_order[i].index = i;
child_state->lcu_order[i].position.x = lcu_id % child_state->tile->frame->width_in_lcu;
child_state->lcu_order[i].position.y = lcu_id / child_state->tile->frame->width_in_lcu;
child_state->lcu_order[i].position_px.x = child_state->lcu_order[i].position.x * LCU_WIDTH;
child_state->lcu_order[i].position_px.y = child_state->lcu_order[i].position.y * LCU_WIDTH;
child_state->lcu_order[i].size.x = MIN(LCU_WIDTH, encoder->in.width - (child_state->tile->lcu_offset_x * LCU_WIDTH + child_state->lcu_order[i].position_px.x));
child_state->lcu_order[i].size.y = MIN(LCU_WIDTH, encoder->in.height - (child_state->tile->lcu_offset_y * LCU_WIDTH + child_state->lcu_order[i].position_px.y));
child_state->lcu_order[i].first_row = kvz_lcu_in_first_row(child_state, child_state->tile->lcu_offset_in_ts + lcu_id);
child_state->lcu_order[i].last_row = kvz_lcu_in_last_row(child_state, child_state->tile->lcu_offset_in_ts + lcu_id);
child_state->lcu_order[i].first_column = kvz_lcu_in_first_column(child_state, child_state->tile->lcu_offset_in_ts + lcu_id);
child_state->lcu_order[i].last_column = kvz_lcu_in_last_column(child_state, child_state->tile->lcu_offset_in_ts + lcu_id);
child_state->lcu_order[i].above = NULL;
child_state->lcu_order[i].below = NULL;
child_state->lcu_order[i].left = NULL;
child_state->lcu_order[i].right = NULL;
if (!child_state->lcu_order[i].first_row) {
//Find LCU above
if (child_state->type == ENCODER_STATE_TYPE_WAVEFRONT_ROW) {
int j;
//For all previous wavefront rows
for (j=0; &child_state->parent->children[j] != child_state && child_state->parent->children[j].encoder_control; ++j) {
if (child_state->parent->children[j].wfrow->lcu_offset_y == child_state->wfrow->lcu_offset_y - 1) {
int k;
for (k=0; k < child_state->parent->children[j].lcu_order_count; ++k) {
if (child_state->parent->children[j].lcu_order[k].position.x == child_state->lcu_order[i].position.x) {
assert(child_state->parent->children[j].lcu_order[k].position.y == child_state->lcu_order[i].position.y - 1);
child_state->lcu_order[i].above = &child_state->parent->children[j].lcu_order[k];
}
}
}
}
} else {
child_state->lcu_order[i].above = &child_state->lcu_order[i-child_state->tile->frame->width_in_lcu];
}
assert(child_state->lcu_order[i].above);
child_state->lcu_order[i].above->below = &child_state->lcu_order[i];
}
if (!child_state->lcu_order[i].first_column) {
child_state->lcu_order[i].left = &child_state->lcu_order[i-1];
assert(child_state->lcu_order[i].left->position.x == child_state->lcu_order[i].position.x - 1);
child_state->lcu_order[i].left->right = &child_state->lcu_order[i];
}
}
} else {
child_state->lcu_order_count = 0;
child_state->lcu_order = NULL;
}
}
//Validate the structure
if (child_state->type == ENCODER_STATE_TYPE_TILE) {
if (child_state->tile->lcu_offset_in_ts < child_state->slice->start_in_ts) {
fprintf(stderr, "Tile %d starts before slice %d, in which it should be included!\n", child_state->tile->id, child_state->slice->id);
return 0;
}
if (child_state->tile->lcu_offset_in_ts + child_state->tile->frame->width_in_lcu * child_state->tile->frame->height_in_lcu - 1 > child_state->slice->end_in_ts) {
fprintf(stderr, "Tile %d ends after slice %d, in which it should be included!\n", child_state->tile->id, child_state->slice->id);
return 0;
}
}
if (child_state->type == ENCODER_STATE_TYPE_SLICE) {
if (child_state->slice->start_in_ts < child_state->tile->lcu_offset_in_ts) {
fprintf(stderr, "Slice %d starts before tile %d, in which it should be included!\n", child_state->slice->id, child_state->tile->id);
return 0;
}
if (child_state->slice->end_in_ts > child_state->tile->lcu_offset_in_ts + child_state->tile->frame->width_in_lcu * child_state->tile->frame->height_in_lcu - 1) {
fprintf(stderr, "Slice %d ends after tile %d, in which it should be included!\n", child_state->slice->id, child_state->tile->id);
return 0;
}
}
#ifdef KVZ_DEBUG_PRINT_THREADING_INFO
if (!parent_state) encoder_state_dump_graphviz(child_state);
#endif //KVZ_DEBUG_PRINT_THREADING_INFO
return 1;
}
void kvz_encoder_state_finalize(encoder_state_t * const state) {
if (state->children) {
int i=0;
for (i = 0; state->children[i].encoder_control; ++i) {
kvz_encoder_state_finalize(&state->children[i]);
}
FREE_POINTER(state->children);
}
if (state->type == ENCODER_STATE_TYPE_MAIN) {
encoder_state_main_finalize(state);
}
FREE_POINTER(state->lcu_order);
state->lcu_order_count = 0;
if (!state->parent || (state->parent->wfrow != state->wfrow)) {
FREE_POINTER(state->wfrow);
}
if (!state->parent || (state->parent->slice != state->slice)) {
FREE_POINTER(state->slice);
}
if (!state->parent || (state->parent->tile != state->tile)) {
encoder_state_config_tile_finalize(state);
FREE_POINTER(state->tile);
}
if (!state->parent || (state->parent->frame != state->frame)) {
encoder_state_config_frame_finalize(state);
FREE_POINTER(state->frame);
}
if (state->constraint) {
// End of the constraint structure
kvz_constraint_free(state);
}
kvz_bitstream_finalize(&state->stream);
kvz_threadqueue_free_job(&state->tqj_recon_done);
kvz_threadqueue_free_job(&state->tqj_bitstream_written);
if (state->encoder_control->cfg.alf_type && state->encoder_control->cfg.wpp) {
encoder_state_t* parent = state;
while (parent->parent) parent = parent->parent;
kvz_threadqueue_free_job(&parent->tqj_alf_process);
}
}
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