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authorMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
committerMatt A. Tobin <email@mattatobin.com>2020-04-07 23:30:51 -0400
commit5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch)
tree45d55e3e5e73c4255c4d71258d9be5b2d004d28f /media/libaom/src/av1/decoder/inspection.c
parent50f1986697a7412e4160976fa5e11217b4ef1f44 (diff)
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'media/libaom/src/av1/decoder/inspection.c')
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diff --git a/media/libaom/src/av1/decoder/inspection.c b/media/libaom/src/av1/decoder/inspection.c
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+/*
+ * 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;
+}