[FFmpeg-devel] [RFC] [PATCH] iff: ANIM suppport
donmoir at comcast.net
Sun Jul 22 14:20:01 CEST 2012
----- Original Message -----
From: "Don Moir" <donmoir at comcast.net>
To: "FFmpeg development discussions and patches" <ffmpeg-devel at ffmpeg.org>
Sent: Sunday, July 22, 2012 7:55 AM
Subject: Re: [FFmpeg-devel] [RFC] [PATCH] iff: ANIM suppport
>> ----- Original Message -----
>> From: "Carl Eugen Hoyos" <cehoyos at ag.or.at>
>> To: <ffmpeg-devel at ffmpeg.org>
>> Sent: Sunday, July 22, 2012 7:18 AM
>> Subject: Re: [FFmpeg-devel] [RFC] [PATCH] iff: ANIM suppport
>>> Peter Ross <pross <at> xvid.org> writes:
>>>> Gents, is there a sample file available that demonstrates the issue?
>> I think all the samples at this link produce the problem but try
>>>> Carl, this patch is no good. The decoder already supports some
>>>> It sets the alpha bits to 0xFF for all standard pixels, and clears them
>>>> 0x00 for transparent pixels. I dont know what the problem is.
>> I was about to test that patch and will go ahead and test it but you say
>> no good. It will be easy for me to test anything else you might come up
> That patch does work as expected since it just means there will be no
> alpha but it could possibly break a file that has real alpha in it - don't
> Not sure how you will be testing this case, but don't come to the wrong
> conclusion by using an app that doesn't do transparency.
The MARBLES.IFF file seemed ok to me at first with that patch but the
FLAG_B24.IFF display is blurred. Without that patch and me ignoring
transparency, they both look fine. The blurring may be an swscale problem.
Let me know and I will post a bug report if needed.
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