[FFmpeg-devel] [PATCH 1/1] [RFC] ffprobe: report DAR even if SAR is undefined

[Nicolas George]

Hendrik Leppkes (2018-04-17):
> Internally we have been using 0/1 for undefined aspect ratios since
> like forever, I'm not sure why that was chosen, but maybe to avoid an
> accidental division by zero?

There is the need for two special values: unknown/undefined and
invalid/broken.

Possible magic values are 0/1, x/0.

I think 0/1 is fine for unknown/undefined and 0/0 for invalid/broken.
But I am too lazy to check what is implemented right now.

Regards,

-- 
  Nicolas George
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