Using NVEncode with Black MAgic decklinkvideosrc

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jaskarn.kalsi

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  • Joined: Tue Jun 12, 2018 7:44 pm
  • Real Name: Jaskarn Kalsi

Using NVEncode with Black MAgic decklinkvideosrc

PostTue Jun 12, 2018 7:47 pm

Hi All
We are trying to get source video using Black Magic Infinity Pro card and use NVEncode provided by Nvidia. But we are note able to link the two together.
We are using Gstreamer to grab the video and encode and stream.
GStreamer pipline:
gst-launch-1.0 deckinkvideosrc device-number=1 connection=HDMI ! videoconvert ! nvh264enc ! h264parse ! mpegtsmux ! rtpmp2tpay ! udpsink port=5054 host=10.0.0.158 ---This is not working

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
/GstPipeline:pipeline0/GstDecklinkVideoSrc:decklinkvideosrc0: hw-serial-number =
Got context from element 'nvh264enc0': gst.gl.GLDisplay=context, gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayX11\)\ gldisplayx11-0";
Setting pipeline to PLAYING ...
New clock: GstSystemClock
/GstPipeline:pipeline0/GstDecklinkVideoSrc:decklinkvideosrc0.GstPad:src: caps = video/x-raw, width=(int)720, height=(int)486, pixel-aspect-ratio=(fraction)10/11, interlace-mode=(string)interleaved, framerate=(fraction)30000/1001, field-order=(string)bottom-field-first, format=(string)UYVY, colorimetry=(string)bt601, chroma-site=(string)mpeg2
/GstPipeline:pipeline0/GstVideoConvert:videoconvert0.GstPad:src: caps = video/x-raw, width=(int)720, height=(int)486, framerate=(fraction)30000/1001, pixel-aspect-ratio=(fraction)10/11, format=(string)NV12, interlace-mode=(string)interleaved, field-order=(string)bottom-field-first
Caught SIGSEGV
Spinning. Please run 'gdb gst-launch-1.0 8839' to continue debugging, Ctrl-C to quit, or Ctrl-\ to dump core.

With testvideosrc it works
gst-launch-1.0 testvideosrc ! videoconvert ! nvh264enc ! h264parse ! mpegtsmux ! rtpmp2tpay ! udpsink port=5054 host=10.0.0.158 ---This is working

Thanks for help
Jaskarn Kalsi
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epsonerror

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  • Joined: Wed Oct 24, 2018 5:09 am
  • Real Name: David Jordan

Re: Using NVEncode with Black MAgic decklinkvideosrc

PostThu Oct 25, 2018 3:57 am

What about your user interface monitor? Are you planning to add a dual or triple head to your C900? I’ve never tested that card but I would think that’s gonna be a huge load for a card that’s not designed for that application.

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