Hi, I found solution for my problem. I made a fresh install of Blackmagic drivers and got Decklink Video and Audio Capture on DirectShow devices list. Now everything work as it should.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Roger Pack Sent: Wednesday, September 10, 2014 2:27 PM To: FFmpeg user questions Subject: Re: [FFmpeg-user] Blackmagic Intensity Pro - how to capture video with audio? does it use a crossbar interface do you know? there are some patches on ffmpeg-devel list [uncommitted as of yet, sorry!] that might help... On Mon, Sep 8, 2014 at 6:12 AM, Damian Głodny <[email protected]> wrote: > Hello, I have Blackmagic Intensity Pro video card and I want to stream > video from that card to multicast using ffmpeg. But my problem is that > I can get only video from that card, no audio. > > Ok, time for some commands. > > > > List of my dshow devices: > > -=-=-=-=-=-=- > > ffmpeg -list_devices true -f dshow -i dummy > > > > [dshow @ 0000000004437720] DirectShow video devices > > [dshow @ 0000000004437720] "Blackmagic WDM Capture" <- it is > Intensity Pro card > > [dshow @ 0000000004437720] DirectShow audio devices > > -=-=-=-=-=-=- > > > > As you can see Intensity Pro does not provide a separate DirectShow > audio device. > > > > > > Blackmagic WDM Capture options: > > > > -=-=-=-=-=-=- > > ffmpeg -f dshow -list_options true -i video="Blackmagic WDM Capture" > > > > [dshow @ 00000000043e7720] DirectShow video device options > > [dshow @ 00000000043e7720] Pin "Video Capture" > > [dshow @ 00000000043e7720] pixel_format=uyvy422 min s=1280x720 fps=50 > max > s=1280x720 fps=50 > > [dshow @ 00000000043e7720] Pin "Audio Capture" > > -=-=-=-=-=-=- > > > > As you can see THERE IS a pin called "Audio Capture". But how I can > use it? > > > > > > So here is my question: how I can map that Audio Capture pin as a > ffmpeg audio input? > > > > I tried following commands (ffplay): > > ffplay -f dshow -i video="Blackmagic WDM Capture" -> I can see only > video, no sound > > ffplay -f dshow -i video="Blackmagic WDM Capture":audio="Blackmagic > WDM Capture" -> error: [dshow @ 0000000002a8f480] Could not find audio device. > > > > Is it possible or Intensity Pro "is not compatible" with ffmpeg? > > > > > > > > > > --- > > Cheers! > > > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
