diff options
Diffstat (limited to 'media/libaom/src/av1/decoder/inspection.c')
| -rw-r--r-- | media/libaom/src/av1/decoder/inspection.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/media/libaom/src/av1/decoder/inspection.c b/media/libaom/src/av1/decoder/inspection.c new file mode 100644 index 0000000000..e6c89298a4 --- /dev/null +++ b/media/libaom/src/av1/decoder/inspection.c @@ -0,0 +1,117 @@ +/* + * 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 "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); +} + +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) { + struct AV1Decoder *pbi = (struct AV1Decoder *)decoder; + AV1_COMMON *const cm = &pbi->common; + if (fd->mi_rows != cm->mi_rows || fd->mi_cols != cm->mi_cols) { + ifd_clear(fd); + ifd_init_mi_rc(fd, cm->mi_rows, cm->mi_cols); + } + fd->show_frame = cm->show_frame; + fd->frame_type = cm->frame_type; + fd->base_qindex = cm->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_present_flag; + fd->delta_q_res = cm->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] = cm->y_dequant_QTX[i][j]; + fd->u_dequant[i][j] = cm->u_dequant_QTX[i][j]; + fd->v_dequant[i][j] = cm->v_dequant_QTX[i][j]; + } + } + for (j = 0; j < cm->mi_rows; j++) { + for (i = 0; i < cm->mi_cols; i++) { + const MB_MODE_INFO *mbmi = cm->mi_grid_visible[j * cm->mi_stride + i]; + insp_mi_data *mi = &fd->mi_grid[j * cm->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; + // Prediction Mode for Chromatic planes + if (mi->mode < INTRA_MODES) { + mi->uv_mode = mbmi->uv_mode; + } else { + mi->uv_mode = UV_MODE_INVALID; + } + // Block Size + mi->sb_type = mbmi->sb_type; + // Skip Flag + mi->skip = mbmi->skip; + 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[]. + mi->tx_type = DCT_DCT; + mi->tx_size = mbmi->tx_size; + + mi->cdef_level = + cm->cdef_strengths[mbmi->cdef_strength] / CDEF_SEC_STRENGTHS; + mi->cdef_strength = + cm->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; +} |