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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/av1/decoder/inspection.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/third_party/aom/av1/decoder/inspection.c b/third_party/aom/av1/decoder/inspection.c new file mode 100644 index 0000000000..288d69a224 --- /dev/null +++ b/third_party/aom/av1/decoder/inspection.c @@ -0,0 +1,162 @@ +/* + * Copyright (c) 2017, 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 <stdio.h> +#include <stdlib.h> + +#include "av1/decoder/decoder.h" +#include "av1/decoder/inspection.h" +#include "av1/common/enums.h" +#include "av1/common/cdef.h" + +static void ifd_init_mi_rc(insp_frame_data *fd, int mi_cols, int mi_rows) { + fd->mi_cols = mi_cols; + fd->mi_rows = mi_rows; + fd->mi_grid = (insp_mi_data *)aom_malloc(sizeof(insp_mi_data) * fd->mi_rows * + fd->mi_cols); + if (!fd->mi_grid) { + fprintf(stderr, "Error allocating inspection data\n"); + abort(); + } +} + +void ifd_init(insp_frame_data *fd, int frame_width, int frame_height) { + int mi_cols = ALIGN_POWER_OF_TWO(frame_width, 3) >> MI_SIZE_LOG2; + int mi_rows = ALIGN_POWER_OF_TWO(frame_height, 3) >> MI_SIZE_LOG2; + ifd_init_mi_rc(fd, mi_cols, mi_rows); +} + +void ifd_clear(insp_frame_data *fd) { + aom_free(fd->mi_grid); + fd->mi_grid = NULL; +} + +/* TODO(negge) This function may be called by more than one thread when using + a multi-threaded decoder and this may cause a data race. */ +int ifd_inspect(insp_frame_data *fd, void *decoder, int skip_not_transform) { + struct AV1Decoder *pbi = (struct AV1Decoder *)decoder; + AV1_COMMON *const cm = &pbi->common; + const CommonModeInfoParams *const mi_params = &cm->mi_params; + const CommonQuantParams *quant_params = &cm->quant_params; + + if (fd->mi_rows != mi_params->mi_rows || fd->mi_cols != mi_params->mi_cols) { + ifd_clear(fd); + ifd_init_mi_rc(fd, mi_params->mi_rows, mi_params->mi_cols); + } + fd->show_existing_frame = cm->show_existing_frame; + fd->frame_number = cm->current_frame.frame_number; + fd->show_frame = cm->show_frame; + fd->frame_type = cm->current_frame.frame_type; + fd->base_qindex = quant_params->base_qindex; + // Set width and height of the first tile until generic support can be added + TileInfo tile_info; + av1_tile_set_row(&tile_info, cm, 0); + av1_tile_set_col(&tile_info, cm, 0); + fd->tile_mi_cols = tile_info.mi_col_end - tile_info.mi_col_start; + fd->tile_mi_rows = tile_info.mi_row_end - tile_info.mi_row_start; + fd->delta_q_present_flag = cm->delta_q_info.delta_q_present_flag; + fd->delta_q_res = cm->delta_q_info.delta_q_res; +#if CONFIG_ACCOUNTING + fd->accounting = &pbi->accounting; +#endif + // TODO(negge): copy per frame CDEF data + int i, j; + for (i = 0; i < MAX_SEGMENTS; i++) { + for (j = 0; j < 2; j++) { + fd->y_dequant[i][j] = quant_params->y_dequant_QTX[i][j]; + fd->u_dequant[i][j] = quant_params->u_dequant_QTX[i][j]; + fd->v_dequant[i][j] = quant_params->v_dequant_QTX[i][j]; + } + } + for (j = 0; j < mi_params->mi_rows; j++) { + for (i = 0; i < mi_params->mi_cols; i++) { + const MB_MODE_INFO *mbmi = + mi_params->mi_grid_base[j * mi_params->mi_stride + i]; + insp_mi_data *mi = &fd->mi_grid[j * mi_params->mi_cols + i]; + // Segment + mi->segment_id = mbmi->segment_id; + // Motion Vectors + mi->mv[0].row = mbmi->mv[0].as_mv.row; + mi->mv[0].col = mbmi->mv[0].as_mv.col; + mi->mv[1].row = mbmi->mv[1].as_mv.row; + mi->mv[1].col = mbmi->mv[1].as_mv.col; + // Reference Frames + mi->ref_frame[0] = mbmi->ref_frame[0]; + mi->ref_frame[1] = mbmi->ref_frame[1]; + // Prediction Mode + mi->mode = mbmi->mode; + mi->intrabc = (int16_t)mbmi->use_intrabc; + mi->palette = (int16_t)mbmi->palette_mode_info.palette_size[0]; + mi->uv_palette = (int16_t)mbmi->palette_mode_info.palette_size[1]; + // Prediction Mode for Chromatic planes + if (mi->mode < INTRA_MODES) { + mi->uv_mode = mbmi->uv_mode; + } else { + mi->uv_mode = UV_MODE_INVALID; + } + + mi->motion_mode = mbmi->motion_mode; + mi->compound_type = mbmi->interinter_comp.type; + + // Block Size + mi->bsize = mbmi->bsize; + // Skip Flag + mi->skip = mbmi->skip_txfm; + mi->filter[0] = av1_extract_interp_filter(mbmi->interp_filters, 0); + mi->filter[1] = av1_extract_interp_filter(mbmi->interp_filters, 1); + mi->dual_filter_type = mi->filter[0] * 3 + mi->filter[1]; + + // Transform + // TODO(anyone): extract tx type info from mbmi->txk_type[]. + + const BLOCK_SIZE bsize = mbmi->bsize; + const int c = i % mi_size_wide[bsize]; + const int r = j % mi_size_high[bsize]; + if (is_inter_block(mbmi) || is_intrabc_block(mbmi)) + mi->tx_size = mbmi->inter_tx_size[av1_get_txb_size_index(bsize, r, c)]; + else + mi->tx_size = mbmi->tx_size; + + if (skip_not_transform && mi->skip) mi->tx_size = -1; + + if (mi->skip) { + const int tx_type_row = j - j % tx_size_high_unit[mi->tx_size]; + const int tx_type_col = i - i % tx_size_wide_unit[mi->tx_size]; + const int tx_type_map_idx = + tx_type_row * mi_params->mi_stride + tx_type_col; + mi->tx_type = mi_params->tx_type_map[tx_type_map_idx]; + } else { + mi->tx_type = 0; + } + + if (skip_not_transform && + (mi->skip || mbmi->tx_skip[av1_get_txk_type_index(bsize, r, c)])) + mi->tx_type = -1; + + mi->cdef_level = cm->cdef_info.cdef_strengths[mbmi->cdef_strength] / + CDEF_SEC_STRENGTHS; + mi->cdef_strength = cm->cdef_info.cdef_strengths[mbmi->cdef_strength] % + CDEF_SEC_STRENGTHS; + + mi->cdef_strength += mi->cdef_strength == 3; + if (mbmi->uv_mode == UV_CFL_PRED) { + mi->cfl_alpha_idx = mbmi->cfl_alpha_idx; + mi->cfl_alpha_sign = mbmi->cfl_alpha_signs; + } else { + mi->cfl_alpha_idx = 0; + mi->cfl_alpha_sign = 0; + } + // delta_q + mi->current_qindex = mbmi->current_qindex; + } + } + return 1; +} |