[opendtv] Re: Popular screen aspect ratios

  • From: Craig Birkmaier <craig@xxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Sun, 9 Jan 2011 10:11:37 -0500

At 2:47 PM -0500 1/8/11, Albert Manfredi wrote:

Craig Birkmaier wrote:


 No Bert, the decoder does not need to know ANYTHING about the
 display.
Apparently, it does. From Ron's examples, to the HDMI spec, to Cliff's real-world experience, to my own real world experience. In every case, the decoder needs to obtain the display aspect ratio info, or the display resolution in case of RGB, before it can output the image correctly.
Sorry, but this is not the problem. The problem is the incompetent design of the system. 

The decoder needs to do two things:

1. Decode the actual samples.
2. Send these samples to the display processor with the metadata needed to display it properly. 

That's it.
All the rest of this is the result of piss poor system design and an unnecessary effort to restrict the capabilities of the TV system. 

Regards
Craig


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