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-rw-r--r--third_party/aom/av1/common/alloccommon.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/alloccommon.c b/third_party/aom/av1/common/alloccommon.c
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index 000000000..79d41a9c8
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+++ b/third_party/aom/av1/common/alloccommon.c
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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];
+}