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From: Zhao Zhili <quinkblack@foxmail.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Zhao Zhili <zhilizhao@tencent.com>
Subject: [FFmpeg-devel] [PATCH 1/2] avfilter/vf_codecview: fix heap buffer overflow
Date: Fri, 29 Dec 2023 05:56:43 +0800
Message-ID: <tencent_8A305A5A35B381D634553E4557679C84E009@qq.com> (raw)

From: Zhao Zhili <zhilizhao@tencent.com>

And improve the performance by a little bit.
---
 libavfilter/vf_codecview.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/libavfilter/vf_codecview.c b/libavfilter/vf_codecview.c
index 55d9c8c04f..f65ccbda70 100644
--- a/libavfilter/vf_codecview.c
+++ b/libavfilter/vf_codecview.c
@@ -216,9 +216,6 @@ static void draw_block_rectangle(uint8_t *buf, int sx, int sy, int w, int h, ptr
         buf[sx + w - 1] = color;
         buf += stride;
     }
-
-    for (int x = sx; x < sx + w; x++)
-        buf[x] = color;
 }
 
 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
-- 
2.25.1

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                 reply	other threads:[~2023-12-28 13:57 UTC|newest]

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