[FFmpeg-devel] apng support

Don Moir donmoir at comcast.net
Thu Dec 27 14:07:25 CET 2012

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.

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