Re: [FFmpeg-devel] [FFmpeg-cvslog] avcodec/ffv1: 32-bit float sample support

Re: [FFmpeg-devel] [FFmpeg-cvslog] avcodec/ffv1: 32-bit float sample support

[Martin Storsjö]

On Mon, 24 Mar 2025, Michael Niedermayer wrote:

> ffmpeg | branch: master | Michael Niedermayer <michael@niedermayer.cc> | Wed Mar 19 01:30:47 2025 +0100| [171060d5dc54d1526abde736a711ce234df632f2] | committer: Michael Niedermayer
>
> avcodec/ffv1: 32-bit float sample support
>
> Sponsored-by: Sovereign Tech Fund
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
>
>> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=171060d5dc54d1526abde736a711ce234df632f2
> ---
>
> libavcodec/ffv1.h             |   6 +-
> libavcodec/ffv1_parse.c       |  10 +++
> libavcodec/ffv1dec.c          |  36 ++++++--
> libavcodec/ffv1dec_template.c |  30 +++++--
> libavcodec/ffv1enc.c          | 200 +++++++++++++++++++++++++++++++++++++++++-
> 5 files changed, 262 insertions(+), 20 deletions(-)

This change broke multiple configurations; noted on mingw-clang/arm, 
macos-clang/aarch64, and from FATE I also see similar failures on 
mingw-gcc/x86_64, mingw-gcc/i686.

// Martin

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Re: [FFmpeg-devel] [FFmpeg-cvslog] avcodec/ffv1: 32-bit float sample support

[Michael Niedermayer]

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Hi Martin

On Mon, Mar 24, 2025 at 04:04:33PM +0200, Martin Storsjö wrote:
> On Mon, 24 Mar 2025, Michael Niedermayer wrote:
> 
> > ffmpeg | branch: master | Michael Niedermayer <michael@niedermayer.cc> | Wed Mar 19 01:30:47 2025 +0100| [171060d5dc54d1526abde736a711ce234df632f2] | committer: Michael Niedermayer
> > 
> > avcodec/ffv1: 32-bit float sample support
> > 
> > Sponsored-by: Sovereign Tech Fund
> > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> > 
> > > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=171060d5dc54d1526abde736a711ce234df632f2
> > ---
> > 
> > libavcodec/ffv1.h             |   6 +-
> > libavcodec/ffv1_parse.c       |  10 +++
> > libavcodec/ffv1dec.c          |  36 ++++++--
> > libavcodec/ffv1dec_template.c |  30 +++++--
> > libavcodec/ffv1enc.c          | 200 +++++++++++++++++++++++++++++++++++++++++-
> > 5 files changed, 262 insertions(+), 20 deletions(-)
> 
> This change broke multiple configurations; noted on mingw-clang/arm,
> macos-clang/aarch64, and from FATE I also see similar failures on
> mingw-gcc/x86_64, mingw-gcc/i686.

Should have been fixed by
(Thanks to james for fixing it! I was working on FFv1 and didnt check my mails)

commit 702239bc500bc63c50dca16d194cb2166ad98bf4 (origin/master, origin/HEAD)
Author: James Almer <jamrial@gmail.com>
Date:   Mon Mar 24 13:24:58 2025 -0300

    avcodec/ffv1enc: reduce stack usage


[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Nations do behave wisely once they have exhausted all other alternatives. 
-- Abba Eban

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