[FFmpeg-devel] apng support
donmoir at comcast.net
Thu Dec 27 20:19:28 CET 2012
----- Original Message -----
From: "Paul B Mahol" <onemda at gmail.com>
To: "FFmpeg development discussions and patches" <ffmpeg-devel at ffmpeg.org>
Sent: Thursday, December 27, 2012 12:31 PM
Subject: Re: [FFmpeg-devel] apng support
> On 12/27/12, Don Moir <donmoir at comcast.net> wrote:
>> Doing gif animation sets the stage for doing apng animation.
>> I had to add apng support internally outside of ffmpeg. It was easy enough
>> if you start out with libpng and apply the apng patches, but really don't
>> know how this would fit in with the current ffmpeg png support.
>> Disposal methods are similar to gif but apng also adds blend ops.
>> The bulk of the work would be in patching existing ffmpeg png code.
> You want to sponsor apng in ffmpeg?
It would take someone familiar with the existing ffmpeg png code I believe. Patching libpng was straight forward and if someone is
familiar with ffmpeg png and libpng that would be good.
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