[FFmpeg-devel] [PATCH RFC] libavdevice/decklink: Add support for EIA-708 output over SDI

Dave Rice dave at dericed.com
Thu Oct 19 01:43:41 EEST 2017

> On Oct 6, 2017, at 5:31 PM, Devin Heitmueller <dheitmueller at ltnglobal.com> wrote:
>> Sorry, what I meant was:
>> Nothing inside FFmpeg except the decklink device could use
>> VANC?
> Ah, I understand now.
> Yes, the decklink device is currently the only SDI device which is supported by libavdevice.  I’ve got a whole pile of patches coming which add support for a variety of protocols for both capture and output (e.g. EIA-708, SCTE-104, AFD, SMPTE 2038, etc).  But today the decklink module is the only device supported.
> Would love to see more SDI devices supported and potentially interested in adding such support myself if we can find good candidates.  The DVEO/linsys cards are largely obsolete and the AJA boards are significantly more expensive than any of BlackMagic’s cards.  If anyone has good experiences with other vendors I would like to hear about it (and there may be an opportunity to extend libavdevice to support another SDI vendor).

The President of AJA has publicly stated an intent to add an open license to their SDK, https://twitter.com/ajaprez/status/910100436224499713 <https://twitter.com/ajaprez/status/910100436224499713>. I’m glad to hear that handling other VANC data is in the works, I’m particularly interested in VITC and EIA-608 with inputs.

Dave Rice

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