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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 "./aom_config.h"
#include "aom_mem/aom_mem.h"
#include "av1/common/alloccommon.h"
#include "av1/common/blockd.h"
#include "av1/common/entropymode.h"
#include "av1/common/entropymv.h"
#include "av1/common/onyxc_int.h"
void av1_set_mb_mi(AV1_COMMON *cm, int width, int height) {
// TODO(jingning): Fine tune the loop filter operations and bring this
// back to integer multiple of 4 for cb4x4.
const int aligned_width = ALIGN_POWER_OF_TWO(width, 3);
const int aligned_height = ALIGN_POWER_OF_TWO(height, 3);
cm->mi_cols = aligned_width >> MI_SIZE_LOG2;
cm->mi_rows = aligned_height >> MI_SIZE_LOG2;
cm->mi_stride = calc_mi_size(cm->mi_cols);
#if CONFIG_CB4X4
cm->mb_cols = (cm->mi_cols + 2) >> 2;
cm->mb_rows = (cm->mi_rows + 2) >> 2;
#else
cm->mb_cols = (cm->mi_cols + 1) >> 1;
cm->mb_rows = (cm->mi_rows + 1) >> 1;
#endif
cm->MBs = cm->mb_rows * cm->mb_cols;
}
static int alloc_seg_map(AV1_COMMON *cm, int seg_map_size) {
int i;
for (i = 0; i < NUM_PING_PONG_BUFFERS; ++i) {
cm->seg_map_array[i] = (uint8_t *)aom_calloc(seg_map_size, 1);
if (cm->seg_map_array[i] == NULL) return 1;
}
cm->seg_map_alloc_size = seg_map_size;
// Init the index.
cm->seg_map_idx = 0;
cm->prev_seg_map_idx = 1;
cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
if (!cm->frame_parallel_decode)
cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];
return 0;
}
static void free_seg_map(AV1_COMMON *cm) {
int i;
for (i = 0; i < NUM_PING_PONG_BUFFERS; ++i) {
aom_free(cm->seg_map_array[i]);
cm->seg_map_array[i] = NULL;
}
cm->current_frame_seg_map = NULL;
if (!cm->frame_parallel_decode) {
cm->last_frame_seg_map = NULL;
}
}
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].ref_count = 0;
}
aom_free(pool->frame_bufs[i].mvs);
pool->frame_bufs[i].mvs = NULL;
aom_free_frame_buffer(&pool->frame_bufs[i].buf);
}
}
#if CONFIG_LOOP_RESTORATION
// Assumes cm->rst_info[p].restoration_tilesize is already initialized
void av1_alloc_restoration_buffers(AV1_COMMON *cm) {
int p;
av1_alloc_restoration_struct(cm, &cm->rst_info[0], cm->width, cm->height);
for (p = 1; p < MAX_MB_PLANE; ++p)
av1_alloc_restoration_struct(
cm, &cm->rst_info[p], ROUND_POWER_OF_TWO(cm->width, cm->subsampling_x),
ROUND_POWER_OF_TWO(cm->height, cm->subsampling_y));
aom_free(cm->rst_internal.tmpbuf);
CHECK_MEM_ERROR(cm, cm->rst_internal.tmpbuf,
(int32_t *)aom_memalign(16, RESTORATION_TMPBUF_SIZE));
}
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_internal.tmpbuf);
cm->rst_internal.tmpbuf = NULL;
}
#endif // CONFIG_LOOP_RESTORATION
void av1_free_context_buffers(AV1_COMMON *cm) {
int i;
cm->free_mi(cm);
free_seg_map(cm);
for (i = 0; i < MAX_MB_PLANE; i++) {
aom_free(cm->above_context[i]);
cm->above_context[i] = NULL;
}
aom_free(cm->above_seg_context);
cm->above_seg_context = NULL;
#if CONFIG_VAR_TX
aom_free(cm->above_txfm_context);
cm->above_txfm_context = NULL;
#endif
}
int av1_alloc_context_buffers(AV1_COMMON *cm, int width, int height) {
int new_mi_size;
av1_set_mb_mi(cm, width, height);
new_mi_size = cm->mi_stride * calc_mi_size(cm->mi_rows);
if (cm->mi_alloc_size < new_mi_size) {
cm->free_mi(cm);
if (cm->alloc_mi(cm, new_mi_size)) goto fail;
}
if (cm->seg_map_alloc_size < cm->mi_rows * cm->mi_cols) {
// Create the segmentation map structure and set to 0.
free_seg_map(cm);
if (alloc_seg_map(cm, cm->mi_rows * cm->mi_cols)) goto fail;
}
if (cm->above_context_alloc_cols < cm->mi_cols) {
// TODO(geza.lore): These are bigger than they need to be.
// cm->tile_width would be enough but it complicates indexing a
// little elsewhere.
const int aligned_mi_cols =
ALIGN_POWER_OF_TWO(cm->mi_cols, MAX_MIB_SIZE_LOG2);
int i;
for (i = 0; i < MAX_MB_PLANE; i++) {
aom_free(cm->above_context[i]);
cm->above_context[i] = (ENTROPY_CONTEXT *)aom_calloc(
2 * aligned_mi_cols, sizeof(*cm->above_context[0]));
if (!cm->above_context[i]) goto fail;
}
aom_free(cm->above_seg_context);
cm->above_seg_context = (PARTITION_CONTEXT *)aom_calloc(
aligned_mi_cols, sizeof(*cm->above_seg_context));
if (!cm->above_seg_context) goto fail;
#if CONFIG_VAR_TX
aom_free(cm->above_txfm_context);
cm->above_txfm_context = (TXFM_CONTEXT *)aom_calloc(
aligned_mi_cols, sizeof(*cm->above_txfm_context));
if (!cm->above_txfm_context) goto fail;
#endif
cm->above_context_alloc_cols = aligned_mi_cols;
}
return 0;
fail:
// clear the mi_* values to force a realloc on resync
av1_set_mb_mi(cm, 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->frame_contexts);
cm->frame_contexts = NULL;
}
void av1_init_context_buffers(AV1_COMMON *cm) {
cm->setup_mi(cm);
if (cm->last_frame_seg_map && !cm->frame_parallel_decode)
memset(cm->last_frame_seg_map, 0, cm->mi_rows * cm->mi_cols);
}
void av1_swap_current_and_last_seg_map(AV1_COMMON *cm) {
// Swap indices.
const int tmp = cm->seg_map_idx;
cm->seg_map_idx = cm->prev_seg_map_idx;
cm->prev_seg_map_idx = tmp;
cm->current_frame_seg_map = cm->seg_map_array[cm->seg_map_idx];
cm->last_frame_seg_map = cm->seg_map_array[cm->prev_seg_map_idx];
}
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