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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-15 03:35:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-15 03:35:49 +0000 |
commit | d8bbc7858622b6d9c278469aab701ca0b609cddf (patch) | |
tree | eff41dc61d9f714852212739e6b3738b82a2af87 /third_party/aom/av1/common/tile_common.c | |
parent | Releasing progress-linux version 125.0.3-1~progress7.99u1. (diff) | |
download | firefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.tar.xz firefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.zip |
Merging upstream version 126.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | third_party/aom/av1/common/tile_common.c | 61 |
1 files changed, 19 insertions, 42 deletions
diff --git a/third_party/aom/av1/common/tile_common.c b/third_party/aom/av1/common/tile_common.c index b964f259b8..45a189d69a 100644 --- a/third_party/aom/av1/common/tile_common.c +++ b/third_party/aom/av1/common/tile_common.c @@ -177,46 +177,16 @@ int av1_get_sb_cols_in_tile(const AV1_COMMON *cm, const TileInfo *tile) { cm->seq_params->mib_size_log2); } -PixelRect av1_get_tile_rect(const TileInfo *tile_info, const AV1_COMMON *cm, - int is_uv) { - PixelRect r; - - // Calculate position in the Y plane - r.left = tile_info->mi_col_start * MI_SIZE; - r.right = tile_info->mi_col_end * MI_SIZE; - r.top = tile_info->mi_row_start * MI_SIZE; - r.bottom = tile_info->mi_row_end * MI_SIZE; - - // If upscaling is enabled, the tile limits need scaling to match the - // upscaled frame where the restoration units live. To do this, scale up the - // top-left and bottom-right of the tile. - if (av1_superres_scaled(cm)) { - av1_calculate_unscaled_superres_size(&r.left, &r.top, - cm->superres_scale_denominator); - av1_calculate_unscaled_superres_size(&r.right, &r.bottom, - cm->superres_scale_denominator); - } - - const int frame_w = cm->superres_upscaled_width; - const int frame_h = cm->superres_upscaled_height; - - // Make sure we don't fall off the bottom-right of the frame. - r.right = AOMMIN(r.right, frame_w); - r.bottom = AOMMIN(r.bottom, frame_h); - - // Convert to coordinates in the appropriate plane - const int ss_x = is_uv && cm->seq_params->subsampling_x; - const int ss_y = is_uv && cm->seq_params->subsampling_y; - - r.left = ROUND_POWER_OF_TWO(r.left, ss_x); - r.right = ROUND_POWER_OF_TWO(r.right, ss_x); - r.top = ROUND_POWER_OF_TWO(r.top, ss_y); - r.bottom = ROUND_POWER_OF_TWO(r.bottom, ss_y); - - return r; -} - -void av1_get_uniform_tile_size(const AV1_COMMON *cm, int *w, int *h) { +// Section 7.3.1 of the AV1 spec says, on pages 200-201: +// It is a requirement of bitstream conformance that the following conditions +// are met: +// ... +// * TileHeight is equal to (use_128x128_superblock ? 128 : 64) for all +// tiles (i.e. the tile is exactly one superblock high) +// * TileWidth is identical for all tiles and is an integer multiple of +// TileHeight (i.e. the tile is an integer number of superblocks wide) +// ... +bool av1_get_uniform_tile_size(const AV1_COMMON *cm, int *w, int *h) { const CommonTileParams *const tiles = &cm->tiles; if (tiles->uniform_spacing) { *w = tiles->width; @@ -226,7 +196,10 @@ void av1_get_uniform_tile_size(const AV1_COMMON *cm, int *w, int *h) { const int tile_width_sb = tiles->col_start_sb[i + 1] - tiles->col_start_sb[i]; const int tile_w = tile_width_sb * cm->seq_params->mib_size; - assert(i == 0 || tile_w == *w); // ensure all tiles have same dimension + // ensure all tiles have same dimension + if (i != 0 && tile_w != *w) { + return false; + } *w = tile_w; } @@ -234,10 +207,14 @@ void av1_get_uniform_tile_size(const AV1_COMMON *cm, int *w, int *h) { const int tile_height_sb = tiles->row_start_sb[i + 1] - tiles->row_start_sb[i]; const int tile_h = tile_height_sb * cm->seq_params->mib_size; - assert(i == 0 || tile_h == *h); // ensure all tiles have same dimension + // ensure all tiles have same dimension + if (i != 0 && tile_h != *h) { + return false; + } *h = tile_h; } } + return true; } int av1_is_min_tile_width_satisfied(const AV1_COMMON *cm) { |