From: Zhao Zhili <quinkblack@foxmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [Internet][PATCH] avformat/mov: decrease probe score for a random tag
Date: Thu, 08 Jun 2023 11:27:48 +0800
Message-ID: <tencent_CD9303E85953E37364B5D76904CEA6454005@qq.com> (raw)
In-Reply-To: <15c78948-8291-49b8-8f97-c54123b9d448@EX-SZ069.tencent.com>
On Mon, 2023-05-22 at 22:07 +0800, Zhao Zhili wrote:
> From: Zhao Zhili <zhilizhao@tencent.com>
>
> The tag comes from samples/ffmpeg/mov/unrecognized/bartjones.mov
> really looks like some random data. Now the random tag matched
> another file, which isn't a mov.
> ---
> libavformat/mov.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 9fdeef057e..285a4e99ca 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -8107,6 +8107,8 @@ static int mov_probe(const AVProbeData *p)
> score = FFMAX(score, AVPROBE_SCORE_MAX - 5);
> break;
> case MKTAG(0x82,0x82,0x7f,0x7d):
> + score = FFMAX(score, AVPROBE_SCORE_EXTENSION - 5);
> + break;
> case MKTAG('s','k','i','p'):
> case MKTAG('u','u','i','d'):
> case MKTAG('p','r','f','l'):
Pushed as b7e79ba3.
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parent reply other threads:[~2023-06-08 3:27 UTC|newest]
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