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From: Frank Plowman <post@frankplowman.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Frank Plowman <post@frankplowman.com>
Subject: [FFmpeg-devel] [PATCH] lavc/vvc: Correct sps_num_subpics_minus1 minimum
Date: Sun, 25 Feb 2024 17:51:01 +0000
Message-ID: <20240225175101.1252-1-post@frankplowman.com> (raw)

The spec says "the value of sps_num_subpics_minus1 shall be in the
range of 0 to MaxSlicesPerAu − 1, inclusive."

Signed-off-by: Frank Plowman <post@frankplowman.com>
---
 libavcodec/cbs_h266_syntax_template.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/cbs_h266_syntax_template.c b/libavcodec/cbs_h266_syntax_template.c
index 26ee7a420b..1d4d0c796f 100644
--- a/libavcodec/cbs_h266_syntax_template.c
+++ b/libavcodec/cbs_h266_syntax_template.c
@@ -1130,7 +1130,7 @@ static int FUNC(sps)(CodedBitstreamContext *ctx, RWContext *rw,
 
     flag(sps_subpic_info_present_flag);
     if (current->sps_subpic_info_present_flag) {
-        ue(sps_num_subpics_minus1, 1, VVC_MAX_SLICES - 1);
+        ue(sps_num_subpics_minus1, 0, VVC_MAX_SLICES - 1);
         if (current->sps_num_subpics_minus1 > 0) {
             flag(sps_independent_subpics_flag);
             flag(sps_subpic_same_size_flag);
-- 
2.43.2

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             reply	other threads:[~2024-02-25 17:51 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-25 17:51 Frank Plowman [this message]
2024-02-25 19:50 ` James Almer
2024-02-25 21:20   ` Frank Plowman
2024-02-27  6:08     ` Nuo Mi

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