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Date: Sun, 28 May 2023 21:43:45 +0200
From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Message-ID: <20230528194345.GP1391451@pb2>
References: <20230528091416.17927-1-anton@khirnov.net>
 <20230528091416.17927-16-anton@khirnov.net>
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Subject: Re: [FFmpeg-devel] [PATCH 16/24] fftools/ffmpeg: rework setting
 sub2video parameters
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On Sun, May 28, 2023 at 11:14:08AM +0200, Anton Khirnov wrote:
> Set them in ifilter_parameters_from_dec(), similarly to audio/video
> streams. This reduces the extent to which sub2video filters need to be
> treated specially.
> ---
>  fftools/ffmpeg.c        |  6 ++---
>  fftools/ffmpeg_demux.c  | 21 +++++++++++++++++
>  fftools/ffmpeg_filter.c | 52 +++++++++++------------------------------
>  3 files changed, 38 insertions(+), 41 deletions(-)

The following prodeuces a 0 byte file after the patch
 -i ~/tickets/153/bbc_small.ts -filter_complex '[0:v][0:s]overlay' -qscale =
2  -t 3 -y notcorrupt.avi

 https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket153/bbc_small.ts

thx

 [...]
--=20
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates

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