| /* |
| * |
| * 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/blockd.h" |
| #include "av1/common/entropymode.h" |
| #include "av1/common/entropymv.h" |
| #include "av1/common/onyxc_int.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; |
| } |
| |
| #if LOOP_FILTER_BITMASK |
| static int 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_cols + (MI_SIZE_64X64 - 1)) >> MIN_MIB_SIZE_LOG2; |
| cm->lf.lfm_num = ((cm->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; |
| } |
| |
| static void 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 |
| |
| void av1_set_mb_mi(AV1_COMMON *cm, int width, int height) { |
| // Ensure that the decoded width and height are both multiples of |
| // 8 luma pixels (note: this may only be a multiple of 4 chroma pixels if |
| // subsampling is used). |
| // This simplifies the implementation of various experiments, |
| // eg. cdef, which operates on units of 8x8 luma pixels. |
| 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); |
| |
| cm->mb_cols = (cm->mi_cols + 2) >> 2; |
| cm->mb_rows = (cm->mi_rows + 2) >> 2; |
| cm->MBs = cm->mb_rows * cm->mb_cols; |
| |
| #if LOOP_FILTER_BITMASK |
| alloc_loop_filter_mask(cm); |
| #endif |
| } |
| |
| 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); |
| |
| cm->rst_tmpbuf = NULL; |
| cm->rlbs = NULL; |
| for (int p = 0; p < num_planes; ++p) { |
| cm->rst_info[p].boundaries.stripe_boundary_above = NULL; |
| cm->rst_info[p].boundaries.stripe_boundary_below = NULL; |
| } |
| } |
| |
| 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(AV1_COMMON *cm, |
| int num_free_above_contexts) { |
| int i; |
| const int num_planes = cm->num_allocated_above_context_planes; |
| |
| for (int tile_row = 0; tile_row < num_free_above_contexts; tile_row++) { |
| for (i = 0; i < num_planes; i++) { |
| if (cm->above_context[i]) |
| { |
| aom_free(cm->above_context[i][tile_row]); |
| cm->above_context[i][tile_row] = NULL; |
| } |
| } |
| if (cm->above_seg_context) |
| { |
| aom_free(cm->above_seg_context[tile_row]); |
| cm->above_seg_context[tile_row] = NULL; |
| } |
| |
| if (cm->above_txfm_context) |
| { |
| aom_free(cm->above_txfm_context[tile_row]); |
| cm->above_txfm_context[tile_row] = NULL; |
| } |
| } |
| for (i = 0; i < num_planes; i++) { |
| aom_free(cm->above_context[i]); |
| cm->above_context[i] = NULL; |
| } |
| aom_free(cm->above_seg_context); |
| cm->above_seg_context = NULL; |
| |
| aom_free(cm->above_txfm_context); |
| cm->above_txfm_context = NULL; |
| |
| cm->num_allocated_above_contexts = 0; |
| cm->num_allocated_above_context_mi_col = 0; |
| cm->num_allocated_above_context_planes = 0; |
| } |
| |
| int av1_alloc_above_context_buffers(AV1_COMMON *cm, |
| int num_alloc_above_contexts) { |
| const int num_planes = av1_num_planes(cm); |
| int plane_idx; |
| const int aligned_mi_cols = |
| ALIGN_POWER_OF_TWO(cm->mi_cols, MAX_MIB_SIZE_LOG2); |
| |
| // Allocate above context buffers |
| cm->num_allocated_above_contexts = num_alloc_above_contexts; |
| cm->num_allocated_above_context_mi_col = aligned_mi_cols; |
| cm->num_allocated_above_context_planes = num_planes; |
| for (plane_idx = 0; plane_idx < num_planes; plane_idx++) { |
| cm->above_context[plane_idx] = (ENTROPY_CONTEXT **)aom_calloc( |
| num_alloc_above_contexts, sizeof(cm->above_context[0])); |
| if (!cm->above_context[plane_idx]) return 1; |
| } |
| |
| cm->above_seg_context = (PARTITION_CONTEXT **)aom_calloc( |
| num_alloc_above_contexts, sizeof(cm->above_seg_context)); |
| if (!cm->above_seg_context) return 1; |
| |
| cm->above_txfm_context = (TXFM_CONTEXT **)aom_calloc( |
| num_alloc_above_contexts, sizeof(cm->above_txfm_context)); |
| if (!cm->above_txfm_context) return 1; |
| |
| for (int tile_row = 0; tile_row < num_alloc_above_contexts; tile_row++) { |
| for (plane_idx = 0; plane_idx < num_planes; plane_idx++) { |
| cm->above_context[plane_idx][tile_row] = (ENTROPY_CONTEXT *)aom_calloc( |
| aligned_mi_cols, sizeof(*cm->above_context[0][tile_row])); |
| if (!cm->above_context[plane_idx][tile_row]) return 1; |
| } |
| |
| cm->above_seg_context[tile_row] = (PARTITION_CONTEXT *)aom_calloc( |
| aligned_mi_cols, sizeof(*cm->above_seg_context[tile_row])); |
| if (!cm->above_seg_context[tile_row]) return 1; |
| |
| cm->above_txfm_context[tile_row] = (TXFM_CONTEXT *)aom_calloc( |
| aligned_mi_cols, sizeof(*cm->above_txfm_context[tile_row])); |
| if (!cm->above_txfm_context[tile_row]) return 1; |
| } |
| |
| return 0; |
| } |
| |
| void av1_remove_common(AV1_COMMON *cm) { |
| cm->fc = NULL; |
| cm->default_frame_context = NULL; |
| } |