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From: Peter Ross <pross@xvid.org>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCHv2] avcodec: ViewQuest VQC decoder
Date: Wed, 19 Oct 2022 07:44:04 +1100
Message-ID: <Y08QFPJcpPi8jtuM@56448e1501e96cac4f435a10cc47adef> (raw)
In-Reply-To: <ac819aea1e4c1aa4ff4e0029a75d577df3e88a50.camel@haerdin.se>


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On Tue, Oct 18, 2022 at 12:05:05PM +0200, Tomas Härdin wrote:
> sön 2022-10-09 klockan 11:36 +1100 skrev Peter Ross:
> > 
> > +    gamma = buf[0] >> 4;
> > +    contrast = AV_RL16(buf + 2) >> 1;
> > +    if (gamma || contrast)
> > +        avpriv_request_sample(avctx, "gamma=0x%x, contrast=0x%x\n",
> > gamma, contrast);
> 
> Shouldn't this also error out with AVERROR_PATCHWELCOME?
 
not really, because the image will still be displayable, just lacking in
brightness/contrast adjustment.

i couldn't find any samples with this feature enabled.

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)

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      reply	other threads:[~2022-10-18 20:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-09  0:36 Peter Ross
2022-10-16 10:05 ` Peter Ross
2022-10-18 10:05 ` Tomas Härdin
2022-10-18 20:44   ` Peter Ross [this message]

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