From: Anton Khirnov <anton@khirnov.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 0/7] Container level frame cropping parameters
Date: Tue, 10 Oct 2023 13:17:26 +0200
Message-ID: <169693664668.6638.10128181560102102339@lain.khirnov.net> (raw)
In-Reply-To: <20231007162503.1057-1-jamrial@gmail.com>
Quoting James Almer (2023-10-07 18:24:56)
> This is a simple set to add support to stream wide, container level cropping
> parameters, as featured in formats like Matroska and ISOBMFF. It's needed for
> things like AV1 streams generated by certain hardware encoders that produce
> dimension aligned output, and unlike H26x, can't export cropping info within
> the bitstream.
> In this set i add the packet side data type, mux and demux support to Matroska,
> and handling code to ffmpeg and ffplay. Missing is support for clap boxes in
> ISOBMFF, and exporting the relevant side data from encoders like AMF.
>
> It's a rebased and updated version to the set i sent a month ago.
Why is there no lavc-decoder handling? I would expect cropping side data
submitted to lavc to be somehow propagated to decoded frames.
Though there is a question of how to combine side data with the
codec-level cropping.
--
Anton Khirnov
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next prev parent reply other threads:[~2023-10-10 11:17 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-07 16:24 James Almer
2023-10-07 16:24 ` [FFmpeg-devel] [PATCH 1/7] avcodec/packet: add a decoded frame cropping side data type James Almer
2023-10-10 11:30 ` Andreas Rheinhardt
2023-10-07 16:24 ` [FFmpeg-devel] [PATCH 2/7] avformat/dump: print Frame Cropping side data info James Almer
2023-10-10 11:03 ` Anton Khirnov
2023-10-07 16:24 ` [FFmpeg-devel] [PATCH 3/7] avformat/matroskadec: export cropping values James Almer
2023-10-07 16:25 ` [FFmpeg-devel] [PATCH 4/7] avformat/avformat: add a flag to signal muxers that support storing " James Almer
2023-10-10 11:09 ` Anton Khirnov
2023-10-10 11:13 ` James Almer
2023-10-10 11:16 ` Anton Khirnov
2023-10-10 11:21 ` James Almer
2023-10-10 11:28 ` Anton Khirnov
2023-10-07 16:25 ` [FFmpeg-devel] [PATCH 5/7] avformat/matroskaenc: support writing " James Almer
2023-10-07 16:25 ` [FFmpeg-devel] [PATCH 6/7] fftools/ffmpeg: support applying container level cropping James Almer
2023-10-10 11:13 ` Anton Khirnov
2023-10-07 16:25 ` [FFmpeg-devel] [PATCH 7/7] fftools/ffplay: " James Almer
2024-01-17 18:39 ` Dmitrii Ovchinnikov
2023-10-10 11:17 ` Anton Khirnov [this message]
2023-10-10 11:44 ` [FFmpeg-devel] [PATCH 0/7] Container level frame cropping parameters James Almer
2023-10-10 11:54 ` Anton Khirnov
2023-10-10 11:58 ` James Almer
2023-10-10 12:12 ` Anton Khirnov
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