From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH v2 07/10] avfilter/vf_scale: preserve YUV range by default
Date: Tue, 31 Oct 2023 00:42:47 +0100
Message-ID: <20231030234247.GN3543730@pb2> (raw)
In-Reply-To: <20231028144430.60538-8-ffmpeg@haasn.xyz>
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On Sat, Oct 28, 2023 at 04:41:14PM +0200, Niklas Haas wrote:
> From: Niklas Haas <git@haasn.dev>
>
> YUV->YUV conversions should preserve input range, if the output range is
> unspecified. Ensures full-range YUV input comes out as full-range YUV
> output by default, even through YUV->YUV pixel format conversions.
> ---
> libavfilter/vf_scale.c | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
this seems to change the output of the following:
ffmpeg -i 4493/AVCI100.mov -vframes 3 -bitexact file.nut
did not investigate if this is a bug or bugfix
files are here: https://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket524/
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
I know you won't believe me, but the highest form of Human Excellence is
to question oneself and others. -- Socrates
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next prev parent reply other threads:[~2023-10-30 23:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-28 14:41 [FFmpeg-devel] [PATCH v2 00/10] YUVJ removal preliminary cleanup Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 01/10] swscale: fix sws_setColorspaceDetails after sws_init_context Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 02/10] swscale: don't omit ff_sws_init_range_convert for high-bit Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 03/10] swscale/yuv2rgb: fix sws_getCoefficients for colorspace=0 Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 04/10] avfilter/vf_extractplanes: tag alpha plane as full range Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 05/10] avfilter/vf_alphamerge: warn if input not " Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 06/10] avfilter/vf_scale: properly respect to input colorimetry Niklas Haas
2023-10-31 12:18 ` Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 07/10] avfilter/vf_scale: preserve YUV range by default Niklas Haas
2023-10-30 23:42 ` Michael Niedermayer [this message]
2023-10-31 11:23 ` Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 08/10] avfilter/vf_scale: simplify color matrix parsing logic Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 09/10] avfilter/vf_scale: tag output color space Niklas Haas
2023-10-28 14:41 ` [FFmpeg-devel] [PATCH v2 10/10] avcodec/pnm: explicitly tag color range Niklas Haas
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