LEAD Screen Capture: Difference between revisions

From MultimediaWiki
Jump to navigation Jump to search
(Stub)
 
No edit summary
 
(One intermediate revision by one other user not shown)
Line 3: Line 3:
* Website: http://www.leadtools.com/help/leadtools/v15/mapping/Features/Codecs.htm
* Website: http://www.leadtools.com/help/leadtools/v15/mapping/Features/Codecs.htm
* Samples: (TO ADD; see http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-January/060393.html)
* Samples: (TO ADD; see http://lists.mplayerhq.hu/pipermail/ffmpeg-devel/2009-January/060393.html)
The codec employs headerless PNGs for compression.
Frame structure:
  16-bit LE word -  number of PNG fragments
  12-byte records of PNG fragments:
    16-bit LE word - X offset of the fragment
    16-bit LE word - Y offset of the fragment
    16-bit LE word - fragment width
    16-bit LE word - fragment height
    32-bit LE word - compressed size
  fragment data - a series of IDAT chunks and IEND chunk
[[Category:Video Codecs]]

Latest revision as of 22:20, 16 July 2012

The codec employs headerless PNGs for compression.

Frame structure:

 16-bit LE word -  number of PNG fragments
 12-byte records of PNG fragments:
   16-bit LE word - X offset of the fragment
   16-bit LE word - Y offset of the fragment
   16-bit LE word - fragment width
   16-bit LE word - fragment height
   32-bit LE word - compressed size
 fragment data - a series of IDAT chunks and IEND chunk