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avcodec/cbs_h266: store RowHeightVal and ColWidthVal in the context 

Stop overwriting values from the bitstream arrays pps_tile_column_width_minus1
and pps_tile_row_height_minus1.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2023-07-02 10:12:58 -03:00
parent ee09f20796
commit 319a6b3ae2
2 changed files with 22 additions and 18 deletions
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2
libavcodec/cbs_h266.h
View File

@ -553,6 +553,8 @@ typedef struct H266RawPPS {
uint16_t slice_height_in_ctus[VVC_MAX_SLICES];
uint16_t num_slices_in_subpic[VVC_MAX_SLICES];
uint16_t sub_pic_id_val[VVC_MAX_SLICES];
uint16_t col_width_val[VVC_MAX_TILE_COLUMNS];
uint16_t row_height_val[VVC_MAX_TILE_ROWS];
} H266RawPPS;
typedef struct H266RawAUD {

38
libavcodec/cbs_h266_syntax_template.c
View File

@ -1748,10 +1748,10 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
"Tile column width(%d) exceeds picture width\n",i);
return AVERROR_INVALIDDATA;
}
current->col_width_val[i] = current->pps_tile_column_width_minus1[i] + 1;
remaining_size -= (current->pps_tile_column_width_minus1[i] + 1);
}
unified_size = (i == 0 ? pic_width_in_ctbs_y :
(current->pps_tile_column_width_minus1[i - 1] + 1));
unified_size = current->pps_tile_column_width_minus1[i - 1] + 1;
while (remaining_size > 0) {
if (current->num_tile_columns > VVC_MAX_TILE_COLUMNS) {
av_log(ctx->log_ctx, AV_LOG_ERROR,
@ -1760,7 +1760,7 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
return AVERROR_INVALIDDATA;
}
unified_size = FFMIN(remaining_size, unified_size);
current->pps_tile_column_width_minus1[i] = unified_size - 1;
current->col_width_val[i] = unified_size;
remaining_size -= unified_size;
i++;
}
@ -1779,14 +1779,14 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
"Tile row height(%d) exceeds picture height\n",i);
return AVERROR_INVALIDDATA;
}
current->row_height_val[i] = current->pps_tile_row_height_minus1[i] + 1;
remaining_size -= (current->pps_tile_row_height_minus1[i] + 1);
}
unified_size = (i == 0 ? pic_height_in_ctbs_y :
(current->pps_tile_row_height_minus1[i - 1] + 1));
unified_size = current->pps_tile_row_height_minus1[i - 1] + 1;
while (remaining_size > 0) {
unified_size = FFMIN(remaining_size, unified_size);
current->pps_tile_row_height_minus1[i] = unified_size - 1;
current->row_height_val[i] = unified_size;
remaining_size -= unified_size;
i++;
}
@ -1852,20 +1852,20 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
ctu_x = ctu_y = 0;
for (j = 0; j < tile_x; j++) {
ctu_x += current->pps_tile_column_width_minus1[j] + 1;
ctu_x += current->col_width_val[j];
}
for (j = 0; j < tile_y; j++) {
ctu_y += current->pps_tile_row_height_minus1[j] + 1;
ctu_y += current->row_height_val[j];
}
if (current->pps_slice_width_in_tiles_minus1[i] == 0 &&
current->pps_slice_height_in_tiles_minus1[i] == 0 &&
current->pps_tile_row_height_minus1[tile_y] > 0) {
current->row_height_val[tile_y] > 1) {
int num_slices_in_tile,
uniform_slice_height, remaining_height_in_ctbs_y;
remaining_height_in_ctbs_y =
current->pps_tile_row_height_minus1[tile_y] + 1;
current->row_height_val[tile_y];
ues(pps_num_exp_slices_in_tile[i],
0, current->pps_tile_row_height_minus1[tile_y], 1, i);
0, current->row_height_val[tile_y] - 1, 1, i);
if (current->pps_num_exp_slices_in_tile[i] == 0) {
num_slices_in_tile = 1;
slice_top_left_ctu_x[i] = ctu_x;
@ -1875,7 +1875,7 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
for (j = 0; j < current->pps_num_exp_slices_in_tile[i];
j++) {
ues(pps_exp_slice_height_in_ctus_minus1[i][j], 0,
current->pps_tile_row_height_minus1[tile_y], 2,
current->row_height_val[tile_y] - 1, 2,
i, j);
slice_height_in_ctus =
current->
@ -1890,7 +1890,7 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
remaining_height_in_ctbs_y -= slice_height_in_ctus;
}
uniform_slice_height = 1 +
(j == 0 ? current->pps_tile_row_height_minus1[tile_y] :
(j == 0 ? current->row_height_val[tile_y] - 1:
current->pps_exp_slice_height_in_ctus_minus1[i][j-1]);
while (remaining_height_in_ctbs_y > uniform_slice_height) {
current->slice_height_in_ctus[i + j] =
@ -1919,7 +1919,7 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
j <= current->pps_slice_height_in_tiles_minus1[i];
j++) {
height +=
current->pps_tile_row_height_minus1[tile_y + j] + 1;
current->row_height_val[tile_y + j];
}
current->slice_height_in_ctus[i] = height;
@ -1956,10 +1956,10 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
ctu_x = 0, ctu_y = 0;
for (j = 0; j < tile_x; j++) {
ctu_x += current->pps_tile_column_width_minus1[j] + 1;
ctu_x += current->col_width_val[j];
}
for (j = 0; j < tile_y; j++) {
ctu_y += current->pps_tile_row_height_minus1[j] + 1;
ctu_y += current->row_height_val[j];
}
slice_top_left_ctu_x[i] = ctu_x;
slice_top_left_ctu_y[i] = ctu_y;
@ -1972,7 +1972,7 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
for (j = 0; j <= current->pps_slice_height_in_tiles_minus1[i];
j++) {
height +=
current->pps_tile_row_height_minus1[tile_y + j] + 1;
current->row_height_val[tile_y + j];
}
current->slice_height_in_ctus[i] = height;
@ -2015,6 +2015,8 @@ static int FUNC(pps) (CodedBitstreamContext *ctx, RWContext *rw,
infer(pps_tile_column_width_minus1[0], pic_width_in_ctbs_y - 1);
infer(pps_num_exp_tile_rows_minus1, 0);
infer(pps_tile_row_height_minus1[0], pic_height_in_ctbs_y - 1);
current->col_width_val[0] = pic_width_in_ctbs_y;
current->row_height_val[0] = pic_height_in_ctbs_y;
current->num_tile_columns = 1;
current->num_tile_rows = 1;
current->num_tiles_in_pic = 1;
@ -3037,7 +3039,7 @@ static int FUNC(slice_header) (CodedBitstreamContext *ctx, RWContext *rw,
current->sh_slice_address +
current->sh_num_tiles_in_slice_minus1; tile_idx++) {
tile_y = tile_idx / pps->num_tile_rows;
height = pps->pps_tile_row_height_minus1[tile_y] + 1;
height = pps->row_height_val[tile_y];
num_entry_points += (entropy_sync ? height : 1);
}
}