From: James Almer <jamrial@gmail.com>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] [PATCH] avcodec/exrdec: restore applying color transfer characteristics for float16 samples
Date: Sat, 15 Mar 2025 20:36:33 -0300
Message-ID: <eb0635bf-96f7-4943-8064-1bfafdf1ca39@gmail.com> (raw)
In-Reply-To: <20250315233517.GR4991@pb2>
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On 3/15/2025 8:35 PM, Michael Niedermayer wrote:
> Hi
>
> On Thu, Mar 13, 2025 at 11:08:09PM -0300, James Almer wrote:
>> Regression since 0e917389fe73c932049635d947bba076f1709589.
>> This change also reverts commit 431805c096738da7661a0baee2b12fe9724dcc95.
>>
>> Signed-off-by: James Almer <jamrial@gmail.com>
>> ---
>> libavcodec/exr.c | 38 ++++++++++++++++++++++++++++++++++++--
>> 1 file changed, 36 insertions(+), 2 deletions(-)
>
> We dont do that for any other codec.
> For every other case we export all the color and gamma information
> but do not modify the sample values to some "normalized" representation
>
> Its also lossy to do it in the decoder like this
>
> thx
We're still doing it for the float path, so in that case you may want to
remove it from there too.
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next prev parent reply other threads:[~2025-03-15 23:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-14 2:08 James Almer
2025-03-15 23:35 ` Michael Niedermayer
2025-03-15 23:36 ` James Almer [this message]
2025-03-15 23:42 ` Michael Niedermayer
2025-03-16 0:09 ` James Almer
2025-03-16 0:20 ` Michael Niedermayer
2025-03-16 0:30 ` [FFmpeg-devel] [PATCH] avcodec/exr: deprecate gamma and apply_trc options James Almer
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