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From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 4/5] avcodec/ffv1enc: Fix off by 1 in assert
Date: Tue, 25 Mar 2025 15:06:54 +0100
Message-ID: <20250325140655.612516-4-michael@niedermayer.cc> (raw)
In-Reply-To: <20250325140655.612516-1-michael@niedermayer.cc>

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/ffv1enc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index f8db3dc2c7d..d28cb8f5700 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -1355,7 +1355,7 @@ static int encode_float32_remap_segment(FFV1SliceContext *sc,
                         put_symbol_inline(&s.rc, s.state[s.lu][0], s.run, 0, NULL, NULL);
                         s.i                 = s.run1start_i;
                         s.last_val          = s.run1start_last_val; // we could compute this instead of storing
-                        av_assert2(s.last_val >= 0 && s.i > 0); // first state is zero run so we cant have this in a one run and current_mul_index would be -1
+                        av_assert2(s.last_val >= 0 && s.i >= 0); // first state is zero run so we cant have this in a one run and current_mul_index would be -1
                         if (s.run)
                             s.current_mul_index = ((s.last_val + 1) * s.mul_count) >> 32;
                     }
-- 
2.48.1

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  parent reply	other threads:[~2025-03-25 14:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-25 14:06 [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1enc: Eliminate encode_mul() Michael Niedermayer
2025-03-25 14:06 ` [FFmpeg-devel] [PATCH 2/5] avcodec/ffv1dec: Fix end handling Michael Niedermayer
2025-03-25 14:06 ` [FFmpeg-devel] [PATCH 3/5] avcodec/ffv1enc: " Michael Niedermayer
2025-03-25 14:06 ` Michael Niedermayer [this message]
2025-03-25 14:06 ` [FFmpeg-devel] [PATCH 5/5] avcodec/ffv1enc: Store run1start_mul_index instead of computing Michael Niedermayer
2025-03-26 13:10 ` [FFmpeg-devel] [PATCH 1/5] avcodec/ffv1enc: Eliminate encode_mul() Michael Niedermayer

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