[FFmpeg-devel] [PATCH] avdevice/decklink: adjust for timecode lag

Gyan ffmpeg at gyani.pro
Tue Aug 20 09:34:47 EEST 2019



On 19-08-2019 07:15 PM, Ilinca Tudose wrote:
> Hi Marton,
>
> I want to confirm that we get correctly synced TCs when leaving out the
> format_code parameter and using an ffmpeg build from head (not with Gyan's
> patch). However, I was under the impression that we need the format_code so
> that we can capture different content types, in the original format. For
> example multiple frame rates or interlaced content. How would we set this
> up if we are not using format_code? Is this identified automatically?

A couple of follow-up Qs:

Is auto-detection available for all Decklink devices?

For those for which it is available, are there any edge cases in which 
it sets inaccurate mode?

Gyan


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