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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 "vp9/decoder/vp9_decoder.h"
#include "vp9/decoder/inspection.h"
#include "vp9/common/vp9_enums.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 *)vpx_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) {
vpx_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 VP9Decoder *pbi = (struct VP9Decoder *)decoder;
VP9_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;
// TODO(jimbankoski): copy tile data
fd->show_existing_frame = cm->show_existing_frame;
// fd->tile_mi_cols = cm->tile_width;
// fd->tile_mi_rows = cm->tile_height;
#if CONFIG_ACCOUNTING
fd->accounting = &pbi->accounting;
#endif
int i, j;
for (i = 0; i < MAX_SEGMENTS; i++) {
for (j = 0; j < 2; j++) {
fd->y_dequant[i][j] = cm->y_dequant[i][j];
fd->uv_dequant[i][j] = cm->uv_dequant[i][j];
}
}
for (j = 0; j < cm->mi_rows; j++) {
for (i = 0; i < cm->mi_cols; i++) {
const MODE_INFO *bmi = 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 = bmi->segment_id;
// Motion Vectors
if (bmi->ref_frame[0] > 0) {
mi->mv[0].row = bmi->mv[0].as_mv.row;
mi->mv[0].col = bmi->mv[0].as_mv.col;
} else {
mi->mv[0].row = 0;
mi->mv[0].col = 0;
}
if (bmi->ref_frame[1] == -1) {
mi->mv[1].row = 0;
mi->mv[1].col = 0;
} else {
mi->mv[1].row = bmi->mv[1].as_mv.row;
mi->mv[1].col = bmi->mv[1].as_mv.col;
}
// Reference Frames
mi->ref_frame[0] = bmi->ref_frame[0];
mi->ref_frame[1] = bmi->ref_frame[1];
// Prediction Mode
mi->mode = bmi->mode;
// Prediction Mode for Chromatic planes
// TODO(jbb): mbx handle UV_MODE_INVALID case
// if (mi->mode < INTRA_MODES) {
mi->uv_mode = bmi->uv_mode;
// } else {
// mi->uv_mode = UV_MODE_INVALID;
// }
// Block Size
mi->sb_type = bmi->sb_type;
// Skip Flag
mi->skip = bmi->skip;
// Filters
mi->filter = bmi->interp_filter;
// Transform
// TODO(jbb): mi->tx_type = bmi->tx_type;
mi->tx_size = bmi->tx_size;
// delta_q
// TODO(jbb): mi->current_qindex = bmi->current_q_index;
}
}
return 1;
}
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