* [FFmpeg-devel] [PATCH] lavc/vvc: Increase VVC_MAX_* definitions for level 6.3
@ 2024-02-25 21:15 Frank Plowman
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From: Frank Plowman @ 2024-02-25 21:15 UTC (permalink / raw)
To: ffmpeg-devel; +Cc: Frank Plowman, James Almer
Reported-by: James Almer <jamrial@gmail.com>
Signed-off-by: Frank Plowman <post@frankplowman.com>
---
libavcodec/vvc.h | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/libavcodec/vvc.h b/libavcodec/vvc.h
index 7d165cdb86..c4cec1eb8f 100644
--- a/libavcodec/vvc.h
+++ b/libavcodec/vvc.h
@@ -123,25 +123,25 @@ enum {
// 7.4.6.1: hrd_cpb_cnt_minus1 is in [0, 31].
VVC_MAX_CPB_CNT = 32,
- // A.4.1: the highest level allows a MaxLumaPs of 35 651 584.
- VVC_MAX_LUMA_PS = 35651584,
+ // A.4.1: the highest level allows a MaxLumaPs of 80,216,064.
+ VVC_MAX_LUMA_PS = 80216064,
// A.4.1: pic_width_in_luma_samples and pic_height_in_luma_samples are
// constrained to be not greater than sqrt(MaxLumaPs * 8). Hence height/
- // width are bounded above by sqrt(8 * 35651584) = 16888.2 samples.
- VVC_MAX_WIDTH = 16888,
- VVC_MAX_HEIGHT = 16888,
-
- // A.4.1: table A.1 allows at most 440 tiles per au for any level.
- VVC_MAX_TILES_PER_AU = 440,
- // A.4.1: table A.1 did not define max tile rows.
- // in worest a case, we can have 1x440 tiles picture.
+ // width are bounded above by sqrt(8 * 80216064) = 25332.4 samples.
+ VVC_MAX_WIDTH = 25332,
+ VVC_MAX_HEIGHT = 25332,
+
+ // A.4.1: table A.2 allows at most 990 tiles per AU for any level.
+ VVC_MAX_TILES_PER_AU = 990,
+ // A.4.1: table A.2 did not define max tile rows.
+ // in worest a case, we can have 1x990 tiles picture.
VVC_MAX_TILE_ROWS = VVC_MAX_TILES_PER_AU,
- // A.4.1: table A.1 allows at most 20 tile columns for any level.
- VVC_MAX_TILE_COLUMNS = 20,
+ // A.4.1: table A.2 allows at most 30 tile columns for any level.
+ VVC_MAX_TILE_COLUMNS = 30,
- // A.4.1 table A.1 allows at most 600 slice for any level.
- VVC_MAX_SLICES = 600,
+ // A.4.1 table A.2 allows at most 1000 slices for any level.
+ VVC_MAX_SLICES = 1000,
// 7.4.8: in the worst case (!pps_no_pic_partition_flag and
// sps_entropy_coding_sync_enabled_flag are both true), entry points can be
--
2.43.2
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2024-02-25 21:15 [FFmpeg-devel] [PATCH] lavc/vvc: Increase VVC_MAX_* definitions for level 6.3 Frank Plowman
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