[FFmpeg-user] capture via decklink

Dave Rice dave at dericed.com
Sat Jul 13 03:46:25 CEST 2013

Hi Jim,

On Jul 12, 2013, at 11:20 AM, Jim Shupert <jshupert at pps-inc.com> wrote:

> Friends,
> Does anyone know if it is possible to capture by a Blackmagic card ?
> a DeckLink Mini Recorder or DeckLink SDI?
> I would like to capture SDI and then turn that into various files including a live stream maybe being served by ffserver.
> I have been googling and trying things I see a bmdcapture that wishes one use the libav fork .
> So - I wondering if 'true ffmpeg' can do the same or something simular.

Officially bmdcapture only support libav (and possibly requires it for installation), but there's a recent ffmpeg-user thread that includes working bmdcapture -> ffmpeg examples. http://comments.gmane.org/gmane.comp.video.ffmpeg.user/46502

> i have a recent ffmpeg built on a ubuntu 12.04 64bit machine with DeckLink SDI and the app media express is all working well.
> But media express only captures as uncompressed . Then i use ffmpeg to make my desired finished files.
> I am exploring a better means to pipe and tee and do what i need.

I'm interested in this as well, if you're willing to share your work.
Dave Rice

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