Re: MPEG-1 aspect ratio constants fix
Bernhard Praschinger <[email protected]> Fri, 12 Feb 2010 16:39:54 +0100
| Newsgroups | gmane.comp.video.mjpeg.devel |
|---|---|
| Message-ID | <[email protected]> |
Hallo Linards Ticmanis wrote: > There seem to be two wrong values in the MPEG-1 aspect ratio constants > used by mjpeg_play; i'm attaching a diff with these ones changed. > > The majority of sources I found on-line agree on a set of values not > completely alike to the one used in mjpeg_play. This includes the source > of mplayer and a lot of web pages (a few have the values currently in > the source). Unfortunately I don't have access to the original MPEG > standard documents. If you have, could you check this? > > Mathematically the values given here make more sense than the ones > currently in the source; with these new values, 352x240 becomes 321x240 > on playback, which is much closer to 4:3 than the 313x240 you get with > the values currently in the source. Are you sure that these fields make it into the final mpeg ? I have searched around and didn't find any hint about the values. auf hoffentlich bald, Berni the Chaos of Woodquarter Email: [email protected] www: http://www.lysator.liu.se/~gz/bernhard ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev