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From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH] avcodec/ffv1: Implement jeromes idea of making remap flip optional
Date: Fri, 14 Mar 2025 01:47:19 +0100
Message-ID: <20250314004719.GI4991@pb2> (raw)
In-Reply-To: <0b6e2295-f876-4bd8-bc7b-4307b46c02f3@mediaarea.net>


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Hi Jerome

On Tue, Mar 11, 2025 at 04:33:11PM +0100, Jerome Martinez wrote:
> Le 11/03/2025 à 15:04, Michael Niedermayer a écrit :
> > Re: [FFmpeg-devel] [PATCH] avcodec/ffv1: Implement jeromes idea of making remap flip optional
> 
> Thanks.
> 
> 
> > -            if (sc->remap > 1U ||
> > -                sc->remap == 1 && !f->flt) {
> > +            if (sc->remap > 2U ||
> > +                sc->remap && !f->flt) {
> >                   av_log(f->avctx, AV_LOG_ERROR, "unsupported remap %d\n", sc->remap);
> >                   return AVERROR_INVALIDDATA;
> >               }
> 
> As the feature is now independent of f->flt, it seems that we can remove the
> "sc->remap && !f->flt" check, it should be supported with integers (actually
> whatever is the value of !f->flt) too.

yes, as soon as someone tests and verifies it works with integers


> 
> 
> > +    { "remap_mode", "Remap Mode", OFFSET(remap_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE, .unit = "remap_mode" },
> > +        { "auto", "Automatic", 0, AV_OPT_TYPE_CONST,
> > +            { .i64 = -1 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
> > +        { "off", "Disabled", 0, AV_OPT_TYPE_CONST,
> > +            { .i64 =  0 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
> > +        { "dualrle", "Dual RLE", 0, AV_OPT_TYPE_CONST,
> > +            { .i64 =  1 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
> > +        { "flipdualrle", "Dual RLE", 0, AV_OPT_TYPE_CONST,
> > +            { .i64 =  2 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
> 
> Even better to have na option for it.
> LGTM.

will apply

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No snowflake in an avalanche ever feels responsible. -- Voltaire

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      reply	other threads:[~2025-03-14  0:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-11 14:04 Michael Niedermayer
2025-03-11 15:33 ` Jerome Martinez
2025-03-14  0:47   ` Michael Niedermayer [this message]

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