From: Hendrik Leppkes <h.leppkes@gmail.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] avcodec/h264dec: add option to ignore in band parameter set
Date: Sun, 6 Feb 2022 16:31:40 +0100
Message-ID: <CA+anqdxif=-XpLizaK42d_gxQXwdLGZWEpt9V5OsrMOW3qHL=A@mail.gmail.com> (raw)
In-Reply-To: <tencent_56A9004EB8255CB305C85EB3E8F36D15C805@qq.com>
On Sun, Feb 6, 2022 at 3:58 PM Zhao Zhili <quinkblack@foxmail.com> wrote:
>
> It works in three mode:
> 0: don't ignore in-band ps
> 1: ignore in-band ps
> -1: if corrupted data is detected, then ignore in-band ps afterwards
>
> h264dec working hard to do error resilience, it doesn't drop a
> whole packet when error is detected in a nalu. Then there is a
> higher chance for fake sps/pps be found and used. This happened
> in a mp4 file. h264dec failed to recovery after broken data due
> to the fake pps, while other H.264 decoders have no such problem.
This seems extremely hacky. I think you need to elaborate on the
problem you are trying to fix, so that any approach to a solution can
be judged properly.
- Hendrik
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next prev parent reply other threads:[~2022-02-06 15:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-06 14:58 Zhao Zhili
2022-02-06 15:31 ` Hendrik Leppkes [this message]
2022-02-06 17:56 ` "zhilizhao(赵志立)"
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