Decklink Duo Software Switcher

Ask software engineering and SDK questions for developers working on Mac OS X, Windows or Linux.
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Luca Zanconi

  • Posts: 1
  • Joined: Wed Feb 04, 2015 3:36 pm

Decklink Duo Software Switcher

PostWed Feb 04, 2015 3:44 pm

Hello,
we are considering to buy a Decklink Duo card but before I'd like to ask you one thing.
Our setup will consist of an i7 custom PC with 2 Camera connected to the Decklink Duo. We'd like to stream just one source at a time over the web and we'd like to switch from one source to another remotely via software.
Would it be possible to develop such a software with the Decklink SDK so that we can remotely send messages to our software so that it switches between sources?
Thanks.
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Matt Jefferson

Blackmagic Design

  • Posts: 130
  • Joined: Fri Aug 31, 2012 12:50 am

Re: Decklink Duo Software Switcher

PostThu Feb 05, 2015 4:11 am

The Decklink DUO is two devices on a Pcie x4 card. Input 1 could capture video on device 1 and input 2 could be capturing a different source on device 2.

A developer could write an application to switch between the two different inputs. The SDK does have calls to determine if the SDI input has a valid signal on the connection. The desktop video SDK can be used for uncompressed capture and playback on the DUO.

To stream to the web using the captured video from a Decklink you would need streaming software solution . The streaming part of the Desktop video SDK refers to special functions of the H264 Pro Recorder.

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