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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 "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/cdef_block.h"
#include "av1/common/entropymode.h"
#include "av1/common/entropymv.h"
#include "av1/common/thread_common.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);
}
}
static INLINE void free_cdef_linebuf_conditional(
AV1_COMMON *const cm, const size_t *new_linebuf_size) {
CdefInfo *cdef_info = &cm->cdef_info;
for (int plane = 0; plane < MAX_MB_PLANE; plane++) {
if (new_linebuf_size[plane] != cdef_info->allocated_linebuf_size[plane]) {
aom_free(cdef_info->linebuf[plane]);
cdef_info->linebuf[plane] = NULL;
}
}
}
static INLINE void free_cdef_bufs_conditional(AV1_COMMON *const cm,
uint16_t **colbuf,
uint16_t **srcbuf,
const size_t *new_colbuf_size,
const size_t new_srcbuf_size) {
CdefInfo *cdef_info = &cm->cdef_info;
if (new_srcbuf_size != cdef_info->allocated_srcbuf_size) {
aom_free(*srcbuf);
*srcbuf = NULL;
}
for (int plane = 0; plane < MAX_MB_PLANE; plane++) {
if (new_colbuf_size[plane] != cdef_info->allocated_colbuf_size[plane]) {
aom_free(colbuf[plane]);
colbuf[plane] = NULL;
}
}
}
static INLINE void free_cdef_bufs(uint16_t **colbuf, uint16_t **srcbuf) {
aom_free(*srcbuf);
*srcbuf = NULL;
for (int plane = 0; plane < MAX_MB_PLANE; plane++) {
aom_free(colbuf[plane]);
colbuf[plane] = NULL;
}
}
static INLINE void free_cdef_row_sync(AV1CdefRowSync **cdef_row_mt,
const int num_mi_rows) {
if (*cdef_row_mt == NULL) return;
#if CONFIG_MULTITHREAD
for (int row_idx = 0; row_idx < num_mi_rows; row_idx++) {
pthread_mutex_destroy((*cdef_row_mt)[row_idx].row_mutex_);
pthread_cond_destroy((*cdef_row_mt)[row_idx].row_cond_);
aom_free((*cdef_row_mt)[row_idx].row_mutex_);
aom_free((*cdef_row_mt)[row_idx].row_cond_);
}
#else
(void)num_mi_rows;
#endif // CONFIG_MULTITHREAD
aom_free(*cdef_row_mt);
*cdef_row_mt = NULL;
}
void av1_free_cdef_buffers(AV1_COMMON *const cm,
AV1CdefWorkerData **cdef_worker,
AV1CdefSync *cdef_sync, int num_workers) {
CdefInfo *cdef_info = &cm->cdef_info;
const int num_mi_rows = cdef_info->allocated_mi_rows;
for (int plane = 0; plane < MAX_MB_PLANE; plane++) {
aom_free(cdef_info->linebuf[plane]);
cdef_info->linebuf[plane] = NULL;
}
// De-allocation of column buffer & source buffer (worker_0).
free_cdef_bufs(cdef_info->colbuf, &cdef_info->srcbuf);
if (num_workers < 2) return;
if (*cdef_worker != NULL) {
for (int idx = num_workers - 1; idx >= 1; idx--) {
// De-allocation of column buffer & source buffer for remaining workers.
free_cdef_bufs((*cdef_worker)[idx].colbuf, &(*cdef_worker)[idx].srcbuf);
}
aom_free(*cdef_worker);
*cdef_worker = NULL;
}
free_cdef_row_sync(&cdef_sync->cdef_row_mt, num_mi_rows);
}
static INLINE void alloc_cdef_linebuf(AV1_COMMON *const cm, uint16_t **linebuf,
const int num_planes) {
CdefInfo *cdef_info = &cm->cdef_info;
for (int plane = 0; plane < num_planes; plane++) {
if (linebuf[plane] == NULL)
CHECK_MEM_ERROR(cm, linebuf[plane],
aom_malloc(cdef_info->allocated_linebuf_size[plane]));
}
}
static INLINE void alloc_cdef_bufs(AV1_COMMON *const cm, uint16_t **colbuf,
uint16_t **srcbuf, const int num_planes) {
CdefInfo *cdef_info = &cm->cdef_info;
if (*srcbuf == NULL)
CHECK_MEM_ERROR(cm, *srcbuf,
aom_memalign(16, cdef_info->allocated_srcbuf_size));
for (int plane = 0; plane < num_planes; plane++) {
if (colbuf[plane] == NULL)
CHECK_MEM_ERROR(cm, colbuf[plane],
aom_malloc(cdef_info->allocated_colbuf_size[plane]));
}
}
static INLINE void alloc_cdef_row_sync(AV1_COMMON *const cm,
AV1CdefRowSync **cdef_row_mt,
const int num_mi_rows) {
if (*cdef_row_mt != NULL) return;
CHECK_MEM_ERROR(cm, *cdef_row_mt,
aom_malloc(sizeof(**cdef_row_mt) * num_mi_rows));
#if CONFIG_MULTITHREAD
for (int row_idx = 0; row_idx < num_mi_rows; row_idx++) {
CHECK_MEM_ERROR(cm, (*cdef_row_mt)[row_idx].row_mutex_,
aom_malloc(sizeof(*(*cdef_row_mt)[row_idx].row_mutex_)));
pthread_mutex_init((*cdef_row_mt)[row_idx].row_mutex_, NULL);
CHECK_MEM_ERROR(cm, (*cdef_row_mt)[row_idx].row_cond_,
aom_malloc(sizeof(*(*cdef_row_mt)[row_idx].row_cond_)));
pthread_cond_init((*cdef_row_mt)[row_idx].row_cond_, NULL);
(*cdef_row_mt)[row_idx].is_row_done = 0;
}
#endif // CONFIG_MULTITHREAD
}
void av1_alloc_cdef_buffers(AV1_COMMON *const cm,
AV1CdefWorkerData **cdef_worker,
AV1CdefSync *cdef_sync, int num_workers,
int init_worker) {
const int num_planes = av1_num_planes(cm);
size_t new_linebuf_size[MAX_MB_PLANE] = { 0 };
size_t new_colbuf_size[MAX_MB_PLANE] = { 0 };
size_t new_srcbuf_size = 0;
CdefInfo *const cdef_info = &cm->cdef_info;
// Check for configuration change
const int num_mi_rows =
(cm->mi_params.mi_rows + MI_SIZE_64X64 - 1) / MI_SIZE_64X64;
const int is_num_workers_changed =
cdef_info->allocated_num_workers != num_workers;
const int is_cdef_enabled =
cm->seq_params->enable_cdef && !cm->tiles.large_scale;
// num-bufs=3 represents ping-pong buffers for top linebuf,
// followed by bottom linebuf.
// ping-pong is to avoid top linebuf over-write by consecutive row.
int num_bufs = 3;
if (num_workers > 1)
num_bufs = (cm->mi_params.mi_rows + MI_SIZE_64X64 - 1) / MI_SIZE_64X64;
if (is_cdef_enabled) {
// Calculate src buffer size
new_srcbuf_size = sizeof(*cdef_info->srcbuf) * CDEF_INBUF_SIZE;
for (int plane = 0; plane < num_planes; plane++) {
const int shift =
plane == AOM_PLANE_Y ? 0 : cm->seq_params->subsampling_x;
// Calculate top and bottom line buffer size
const int luma_stride =
ALIGN_POWER_OF_TWO(cm->mi_params.mi_cols << MI_SIZE_LOG2, 4);
new_linebuf_size[plane] = sizeof(*cdef_info->linebuf) * num_bufs *
(CDEF_VBORDER << 1) * (luma_stride >> shift);
// Calculate column buffer size
const int block_height =
(CDEF_BLOCKSIZE << (MI_SIZE_LOG2 - shift)) * 2 * CDEF_VBORDER;
new_colbuf_size[plane] =
sizeof(*cdef_info->colbuf[plane]) * block_height * CDEF_HBORDER;
}
}
// Free src, line and column buffers for worker 0 in case of reallocation
free_cdef_linebuf_conditional(cm, new_linebuf_size);
free_cdef_bufs_conditional(cm, cdef_info->colbuf, &cdef_info->srcbuf,
new_colbuf_size, new_srcbuf_size);
// The flag init_worker indicates if cdef_worker has to be allocated for the
// frame. This is passed as 1 always from decoder. At encoder side, it is 0
// when called for parallel frames during FPMT (where cdef_worker is shared
// across parallel frames) and 1 otherwise.
if (*cdef_worker != NULL && init_worker) {
if (is_num_workers_changed) {
// Free src and column buffers for remaining workers in case of change in
// num_workers
for (int idx = cdef_info->allocated_num_workers - 1; idx >= 1; idx--)
free_cdef_bufs((*cdef_worker)[idx].colbuf, &(*cdef_worker)[idx].srcbuf);
} else if (num_workers > 1) {
// Free src and column buffers for remaining workers in case of
// reallocation
for (int idx = num_workers - 1; idx >= 1; idx--)
free_cdef_bufs_conditional(cm, (*cdef_worker)[idx].colbuf,
&(*cdef_worker)[idx].srcbuf, new_colbuf_size,
new_srcbuf_size);
}
}
if (cdef_info->allocated_mi_rows != num_mi_rows)
free_cdef_row_sync(&cdef_sync->cdef_row_mt, cdef_info->allocated_mi_rows);
// Store allocated sizes for reallocation
cdef_info->allocated_srcbuf_size = new_srcbuf_size;
av1_copy(cdef_info->allocated_colbuf_size, new_colbuf_size);
av1_copy(cdef_info->allocated_linebuf_size, new_linebuf_size);
// Store configuration to check change in configuration
cdef_info->allocated_mi_rows = num_mi_rows;
cdef_info->allocated_num_workers = num_workers;
if (!is_cdef_enabled) return;
// Memory allocation of column buffer & source buffer (worker_0).
alloc_cdef_bufs(cm, cdef_info->colbuf, &cdef_info->srcbuf, num_planes);
alloc_cdef_linebuf(cm, cdef_info->linebuf, num_planes);
if (num_workers < 2) return;
if (init_worker) {
if (*cdef_worker == NULL)
CHECK_MEM_ERROR(cm, *cdef_worker,
aom_calloc(num_workers, sizeof(**cdef_worker)));
// Memory allocation of column buffer & source buffer for remaining workers.
for (int idx = num_workers - 1; idx >= 1; idx--)
alloc_cdef_bufs(cm, (*cdef_worker)[idx].colbuf,
&(*cdef_worker)[idx].srcbuf, num_planes);
}
alloc_cdef_row_sync(cm, &cdef_sync->cdef_row_mt,
cdef_info->allocated_mi_rows);
}
#if !CONFIG_REALTIME_ONLY
// 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);
}
#endif // !CONFIG_REALTIME_ONLY
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[tile_row]);
above_contexts->partition[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);
above_contexts->partition = 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);
}
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 = (PARTITION_CONTEXT **)aom_calloc(
num_tile_rows, sizeof(above_contexts->partition));
if (!above_contexts->partition) 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[tile_row] = (PARTITION_CONTEXT *)aom_calloc(
aligned_mi_cols, sizeof(*above_contexts->partition[tile_row]));
if (!above_contexts->partition[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);
}