diff options
Diffstat (limited to 'third_party/aom/av1/common/alloccommon.c')
-rw-r--r-- | third_party/aom/av1/common/alloccommon.c | 209 |
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 new file mode 100644 index 000000000..79d41a9c8 --- /dev/null +++ b/third_party/aom/av1/common/alloccommon.c @@ -0,0 +1,209 @@ +/* + * + * 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]; +} |