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/*
*
* Copyright (c) 2021, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 3-Clause Clear License
* and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear
* License was not distributed with this source code in the LICENSE file, you
* can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the
* Alliance for Open Media Patent License 1.0 was not distributed with this
* source code in the PATENTS file, you can obtain it at
* aomedia.org/license/patent-license/.
*/
#include "config/aom_config.h"
#include "aom_mem/aom_mem.h"
#include "av1/common/alloccommon.h"
#include "av1/common/av1_common_int.h"
#include "av1/common/blockd.h"
#include "av1/common/entropymode.h"
#include "av1/common/entropymv.h"
int av1_get_MBs(int width, int height) {
const int aligned_width = ALIGN_POWER_OF_TWO(width, 3);
const int aligned_height = ALIGN_POWER_OF_TWO(height, 3);
const int mi_cols = aligned_width >> MI_SIZE_LOG2;
const int mi_rows = aligned_height >> MI_SIZE_LOG2;
const int mb_cols = (mi_cols + 2) >> 2;
const int mb_rows = (mi_rows + 2) >> 2;
return mb_rows * mb_cols;
}
void av1_free_ref_frame_buffers(BufferPool *pool) {
int i;
for (i = 0; i < FRAME_BUFFERS; ++i) {
if (pool->frame_bufs[i].ref_count > 0 &&
pool->frame_bufs[i].raw_frame_buffer.data != NULL) {
pool->release_fb_cb(pool->cb_priv, &pool->frame_bufs[i].raw_frame_buffer);
pool->frame_bufs[i].raw_frame_buffer.data = NULL;
pool->frame_bufs[i].raw_frame_buffer.size = 0;
pool->frame_bufs[i].raw_frame_buffer.priv = NULL;
pool->frame_bufs[i].ref_count = 0;
}
aom_free(pool->frame_bufs[i].mvs);
pool->frame_bufs[i].mvs = NULL;
aom_free(pool->frame_bufs[i].seg_map);
pool->frame_bufs[i].seg_map = NULL;
aom_free_frame_buffer(&pool->frame_bufs[i].buf);
}
}
// Assumes cm->rst_info[p].restoration_unit_size is already initialized
void av1_alloc_restoration_buffers(AV1_COMMON *cm) {
const int num_planes = av1_num_planes(cm);
for (int p = 0; p < num_planes; ++p)
av1_alloc_restoration_struct(cm, &cm->rst_info[p], p > 0);
if (cm->rst_tmpbuf == NULL) {
CHECK_MEM_ERROR(cm, cm->rst_tmpbuf,
(int32_t *)aom_memalign(16, RESTORATION_TMPBUF_SIZE));
}
if (cm->rlbs == NULL) {
CHECK_MEM_ERROR(cm, cm->rlbs, aom_malloc(sizeof(RestorationLineBuffers)));
}
// For striped loop restoration, we divide each row of tiles into "stripes",
// of height 64 luma pixels but with an offset by RESTORATION_UNIT_OFFSET
// luma pixels to match the output from CDEF. We will need to store 2 *
// RESTORATION_CTX_VERT lines of data for each stripe, and also need to be
// able to quickly answer the question "Where is the <n>'th stripe for tile
// row <m>?" To make that efficient, we generate the rst_last_stripe array.
int num_stripes = 0;
for (int i = 0; i < cm->tiles.rows; ++i) {
TileInfo tile_info;
av1_tile_set_row(&tile_info, cm, i);
const int mi_h = tile_info.mi_row_end - tile_info.mi_row_start;
const int ext_h = RESTORATION_UNIT_OFFSET + (mi_h << MI_SIZE_LOG2);
const int tile_stripes = (ext_h + 63) / 64;
num_stripes += tile_stripes;
}
// Now we need to allocate enough space to store the line buffers for the
// stripes
const int frame_w = cm->superres_upscaled_width;
const int use_highbd = cm->seq_params.use_highbitdepth;
for (int p = 0; p < num_planes; ++p) {
const int is_uv = p > 0;
const int ss_x = is_uv && cm->seq_params.subsampling_x;
const int plane_w = ((frame_w + ss_x) >> ss_x) + 2 * RESTORATION_EXTRA_HORZ;
const int stride = ALIGN_POWER_OF_TWO(plane_w, 5);
const int buf_size = num_stripes * stride * RESTORATION_CTX_VERT
<< use_highbd;
RestorationStripeBoundaries *boundaries = &cm->rst_info[p].boundaries;
if (buf_size != boundaries->stripe_boundary_size ||
boundaries->stripe_boundary_above == NULL ||
boundaries->stripe_boundary_below == NULL) {
aom_free(boundaries->stripe_boundary_above);
aom_free(boundaries->stripe_boundary_below);
CHECK_MEM_ERROR(cm, boundaries->stripe_boundary_above,
(uint8_t *)aom_memalign(32, buf_size));
CHECK_MEM_ERROR(cm, boundaries->stripe_boundary_below,
(uint8_t *)aom_memalign(32, buf_size));
boundaries->stripe_boundary_size = buf_size;
}
boundaries->stripe_boundary_stride = stride;
}
}
void av1_free_restoration_buffers(AV1_COMMON *cm) {
int p;
for (p = 0; p < MAX_MB_PLANE; ++p)
av1_free_restoration_struct(&cm->rst_info[p]);
aom_free(cm->rst_tmpbuf);
cm->rst_tmpbuf = NULL;
aom_free(cm->rlbs);
cm->rlbs = NULL;
for (p = 0; p < MAX_MB_PLANE; ++p) {
RestorationStripeBoundaries *boundaries = &cm->rst_info[p].boundaries;
aom_free(boundaries->stripe_boundary_above);
aom_free(boundaries->stripe_boundary_below);
boundaries->stripe_boundary_above = NULL;
boundaries->stripe_boundary_below = NULL;
}
aom_free_frame_buffer(&cm->rst_frame);
}
void av1_free_above_context_buffers(CommonContexts *above_contexts) {
int i;
const int num_planes = above_contexts->num_planes;
for (int tile_row = 0; tile_row < above_contexts->num_tile_rows; tile_row++) {
for (i = 0; i < num_planes; i++) {
aom_free(above_contexts->entropy[i][tile_row]);
above_contexts->entropy[i][tile_row] = NULL;
aom_free(above_contexts->partition[i][tile_row]);
above_contexts->partition[i][tile_row] = NULL;
}
aom_free(above_contexts->txfm[tile_row]);
above_contexts->txfm[tile_row] = NULL;
}
for (i = 0; i < num_planes; i++) {
aom_free(above_contexts->entropy[i]);
above_contexts->entropy[i] = NULL;
aom_free(above_contexts->partition[i]);
above_contexts->partition[i] = NULL;
}
aom_free(above_contexts->txfm);
above_contexts->txfm = NULL;
above_contexts->num_tile_rows = 0;
above_contexts->num_mi_cols = 0;
above_contexts->num_planes = 0;
}
void av1_free_context_buffers(AV1_COMMON *cm) {
cm->mi_params.free_mi(&cm->mi_params);
av1_free_above_context_buffers(&cm->above_contexts);
#if CONFIG_LPF_MASK
av1_free_loop_filter_mask(cm);
#endif
}
int av1_alloc_above_context_buffers(CommonContexts *above_contexts,
int num_tile_rows, int num_mi_cols,
int num_planes) {
const int aligned_mi_cols =
ALIGN_POWER_OF_TWO(num_mi_cols, MAX_MIB_SIZE_LOG2);
// Allocate above context buffers
above_contexts->num_tile_rows = num_tile_rows;
above_contexts->num_mi_cols = aligned_mi_cols;
above_contexts->num_planes = num_planes;
for (int plane_idx = 0; plane_idx < num_planes; plane_idx++) {
above_contexts->entropy[plane_idx] = (ENTROPY_CONTEXT **)aom_calloc(
num_tile_rows, sizeof(above_contexts->entropy[0]));
if (!above_contexts->entropy[plane_idx]) return 1;
above_contexts->partition[plane_idx] = (PARTITION_CONTEXT **)aom_calloc(
num_tile_rows, sizeof(above_contexts->partition[plane_idx]));
if (!above_contexts->partition[plane_idx]) return 1;
}
above_contexts->txfm =
(TXFM_CONTEXT **)aom_calloc(num_tile_rows, sizeof(above_contexts->txfm));
if (!above_contexts->txfm) return 1;
for (int tile_row = 0; tile_row < num_tile_rows; tile_row++) {
for (int plane_idx = 0; plane_idx < num_planes; plane_idx++) {
above_contexts->entropy[plane_idx][tile_row] =
(ENTROPY_CONTEXT *)aom_calloc(
aligned_mi_cols, sizeof(*above_contexts->entropy[0][tile_row]));
if (!above_contexts->entropy[plane_idx][tile_row]) return 1;
above_contexts->partition[plane_idx][tile_row] =
(PARTITION_CONTEXT *)aom_calloc(
aligned_mi_cols,
sizeof(*above_contexts->partition[plane_idx][tile_row]));
if (!above_contexts->partition[plane_idx][tile_row]) return 1;
}
above_contexts->txfm[tile_row] = (TXFM_CONTEXT *)aom_calloc(
aligned_mi_cols, sizeof(*above_contexts->txfm[tile_row]));
if (!above_contexts->txfm[tile_row]) return 1;
}
return 0;
}
// Allocate the dynamically allocated arrays in 'mi_params' assuming
// 'mi_params->set_mb_mi()' was already called earlier to initialize the rest of
// the struct members.
static int alloc_mi(CommonModeInfoParams *mi_params) {
const int aligned_mi_rows = calc_mi_size(mi_params->mi_rows);
const int mi_grid_size = mi_params->mi_stride * aligned_mi_rows;
const int alloc_size_1d = mi_size_wide[mi_params->mi_alloc_bsize];
const int alloc_mi_size =
mi_params->mi_alloc_stride * (aligned_mi_rows / alloc_size_1d);
if (mi_params->mi_alloc_size < alloc_mi_size ||
mi_params->mi_grid_size < mi_grid_size) {
mi_params->free_mi(mi_params);
mi_params->mi_alloc =
aom_calloc(alloc_mi_size, sizeof(*mi_params->mi_alloc));
if (!mi_params->mi_alloc) return 1;
mi_params->mi_alloc_size = alloc_mi_size;
mi_params->mi_grid_base = (MB_MODE_INFO **)aom_calloc(
mi_grid_size, sizeof(*mi_params->mi_grid_base));
if (!mi_params->mi_grid_base) return 1;
mi_params->mi_grid_size = mi_grid_size;
mi_params->tx_type_map =
aom_calloc(mi_grid_size, sizeof(*mi_params->tx_type_map));
if (!mi_params->tx_type_map) return 1;
}
return 0;
}
int av1_alloc_context_buffers(AV1_COMMON *cm, int width, int height) {
CommonModeInfoParams *const mi_params = &cm->mi_params;
mi_params->set_mb_mi(mi_params, width, height);
if (alloc_mi(mi_params)) goto fail;
return 0;
fail:
// clear the mi_* values to force a realloc on resync
mi_params->set_mb_mi(mi_params, 0, 0);
av1_free_context_buffers(cm);
return 1;
}
void av1_remove_common(AV1_COMMON *cm) {
av1_free_context_buffers(cm);
aom_free(cm->fc);
cm->fc = NULL;
aom_free(cm->default_frame_context);
cm->default_frame_context = NULL;
}
void av1_init_mi_buffers(CommonModeInfoParams *mi_params) {
mi_params->setup_mi(mi_params);
}
#if CONFIG_LPF_MASK
int av1_alloc_loop_filter_mask(AV1_COMMON *cm) {
aom_free(cm->lf.lfm);
cm->lf.lfm = NULL;
// Each lfm holds bit masks for all the 4x4 blocks in a max
// 64x64 (128x128 for ext_partitions) region. The stride
// and rows are rounded up / truncated to a multiple of 16
// (32 for ext_partition).
cm->lf.lfm_stride =
(cm->mi_params.mi_cols + (MI_SIZE_64X64 - 1)) >> MIN_MIB_SIZE_LOG2;
cm->lf.lfm_num =
((cm->mi_params.mi_rows + (MI_SIZE_64X64 - 1)) >> MIN_MIB_SIZE_LOG2) *
cm->lf.lfm_stride;
cm->lf.lfm =
(LoopFilterMask *)aom_calloc(cm->lf.lfm_num, sizeof(*cm->lf.lfm));
if (!cm->lf.lfm) return 1;
unsigned int i;
for (i = 0; i < cm->lf.lfm_num; ++i) av1_zero(cm->lf.lfm[i]);
return 0;
}
void av1_free_loop_filter_mask(AV1_COMMON *cm) {
if (cm->lf.lfm == NULL) return;
aom_free(cm->lf.lfm);
cm->lf.lfm = NULL;
cm->lf.lfm_num = 0;
cm->lf.lfm_stride = 0;
}
#endif