On Mon, 14 May 2007, hdzhne wrote: > So, does info->diaplay_fbuf->buf in libmpeg2 store odd filed followed by > even field if HDTV content is sent as interlaced frame picture? Just I > need reorder two fields to one full frame which can be displayed > directly?
buf[] is an array of three framebuffers -- Y, Cb, and Cr. Each of those framebuffers will contain its component of the entire frame, interlaced, at a dimension like 1920x1088 for Y and 960x544 for Cb and Cr. Within each component, you can take the odd lines to be the odd field. E.g., this will be 544 lines of Y and 272 lines of Cb and Cr. The even lines will be the even field. But you'll also have to look at the flags in the PICTURE header (like top_field_first and repeat_first_field) to know which field to display first and which one to display second. I would recommend getting a copy of the MPEG-2 specification, or downloading the draft available from www.wotsit.org, if you're planning to do this kind of implementation. And don't be afraid to experiment! Best of luck, Keith ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Libmpeg2-devel mailing list Libmpeg2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmpeg2-devel
