From: Frank Plowman <post@frankplowman.com> To: ffmpeg-devel@ffmpeg.org Cc: Frank Plowman <post@frankplowman.com>, James Almer <jamrial@gmail.com> Subject: [FFmpeg-devel] [PATCH] lavc/vvc: Increase VVC_MAX_* definitions for level 6.3 Date: Sun, 25 Feb 2024 21:15:24 +0000 Message-ID: <20240225211524.31154-1-post@frankplowman.com> (raw) 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 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
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