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From: Anton Khirnov <anton@khirnov.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v2 08/12] lavc/frame_thread_encoder: avoid assigning a whole AVCodecContext
Date: Sun, 24 Mar 2024 11:33:52 +0100
Message-ID: <171127643259.1646.17791906321816556629@lain.khirnov.net> (raw)
In-Reply-To: <GV1P250MB073701ACC80626CFEB03FE898F372@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM>

Quoting Andreas Rheinhardt (2024-03-24 11:19:19)
> Anton Khirnov:
> > Quoting Andreas Rheinhardt (2024-03-23 15:11:59)
> >> 1. The earlier code would just work in case the user used a smaller
> >> number of elements for the matrices if these matrices were not used at
> >> all (which happens for the majority of encoders). This is no longer true
> >> with this patch.
> > 
> > So?
> > 
> 
> It means there is a scenario where you break something.

There is no way for the caller to know whether, and how much, will lavc
read from those tables, so it's invalid API use.

-- 
Anton Khirnov
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  reply	other threads:[~2024-03-24 10:34 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-22 20:28 [FFmpeg-devel] [PATCH 01/12] tests/fate/ffmpeg: evaluate thread count in fate-run.sh rather than make Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 02/12] fftools/ffmpeg_demux: only call filter_codec_opts() when we have a decoder Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 03/12] fftools/cmdutils: do not use a random codec's private options Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 04/12] fftools/ffmpeg_dec: apply decoder options manually Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 05/12] fftools/ffmpeg_{demux, dec}: pass -bitexact through DecoderFlags Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 06/12] fftools/ffmpeg_dec: apply cropping manually Anton Khirnov
2024-03-23  2:53   ` James Almer
2024-03-23  7:20     ` Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 07/12] fftools/ffmpeg_filter: remove display matrix if we have applied it Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 08/12] lavc/frame_thread_encoder: avoid assigning a whole AVCodecContext Anton Khirnov
2024-03-22 20:42   ` Andreas Rheinhardt
2024-03-23 14:00     ` [FFmpeg-devel] [PATCH v2 " Anton Khirnov
2024-03-23 14:11       ` Andreas Rheinhardt
2024-03-24  9:27         ` Anton Khirnov
2024-03-24 10:19           ` Andreas Rheinhardt
2024-03-24 10:33             ` Anton Khirnov [this message]
2024-03-24 11:10               ` Andreas Rheinhardt
2024-03-24 11:23                 ` Anton Khirnov
2024-03-24  0:11   ` [FFmpeg-devel] [PATCH " Michael Niedermayer
2024-03-24  9:29     ` [FFmpeg-devel] [PATCH v3 " Anton Khirnov
2024-03-24 11:25       ` Andreas Rheinhardt
2024-03-24 11:36         ` Anton Khirnov
2024-03-27 10:27   ` [FFmpeg-devel] [PATCH v4 " Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 09/12] lavc/decode: move sd_global_map to avcodec Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 10/12] lavc/encode: map AVCodecContext.decoded_side_data to coded_side_data Anton Khirnov
2024-03-23  2:33   ` James Almer
2024-03-23  7:20     ` Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 11/12] fftools/ffmpeg_enc: stop copying demuxer side data to the muxer Anton Khirnov
2024-03-22 20:28 ` [FFmpeg-devel] [PATCH 12/12] fftools/ffmpeg_demux: make InputStream.autorotate private Anton Khirnov

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