Difference between revisions of "CorePNG"

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The codec was originally developed to compress subtitles.
The codec was originally developed to compress subtitles.


The codec supports [[Uncompressed Bitmap|RGB[A]]] and [[Raw YUV|YUV]] colorspaces: In RGB mode every frame is compressed as a PNG image; in YUV mode a frame is stored as 3 PNG images with order Y, U, V.
The codec supports [[Raw RGB|RGB[A]]] and [[Raw YUV|YUV]] colorspaces: In RGB mode every frame is compressed as a PNG image; in YUV mode a frame is stored as 3 PNG images with order Y, U, V.


[[Category:Video Codecs]]
[[Category:Video Codecs]]
[[Category:Lossless Video Codecs]]
[[Category:Lossless Video Codecs]]

Revision as of 14:26, 5 April 2006

This lossless codec is based on the PNG image format. Each frame can be encoded as-is (I-frame), or can represent a delta from the previous frame (P-frame). In both cases the data is compressed in standard PNG format.

The codec was originally developed to compress subtitles.

The codec supports RGB[A] and YUV colorspaces: In RGB mode every frame is compressed as a PNG image; in YUV mode a frame is stored as 3 PNG images with order Y, U, V.