> On May 20, 2016, at 2:44 PM, ganesh.ire...@syda.org wrote:
> 
> Hello,
> 
> I want to have ffprobe provide width, height, and DAR for input files for 
> downstream processes.  I notice that an input 16:9 MP4 shows a DAR of 0:1.  
> Some reading suggests this is a bug.  Can anyone provide additional info?  
> How is this interpreted by applications?  I am using ffprobe version 
> N-79546-g13406b6.

IIUC this means that the input file does not explicitly state what the DAR 
value is. If you have a PAR value you could calculate DAR from WIDTH / HEIGHT * 
PAR.
Dave Rice
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