[Bf-committers] can we update ffmpeg to have RTSP support?

Reuben Martin reuben.m at gmail.com
Wed Jul 16 07:45:56 CEST 2014


I have a deck link card. And I've redirected the captured video from it to
the v4l2loopback device. It can be done using bmdcapture + ffmpeg or
gstreamer. Both work quite well. You can do it with melt too, but
technically it uses ffmpeg to interface with v4l2.
On Jul 16, 2014 12:23 AM, "Fazekas László" <mneko at freemail.hu> wrote:

> I agree. For win32, besides of DirectShow, there is the simple old VfW
> input. I think it's still working and it has a wrapper for DirectShow.
> For OSX, the video capture is in the commercial version of Quicktime.
>
> But there are incompatible hardwares with their own interface (for
> example, BMD DeckLink). So perhaps a raw input through a fifo (named
> pipe) is still a good option.
>
> 2014-07-16 05:34 keltezéssel, Reuben Martin írta:
> > On Wednesday, July 16, 2014 12:55:49 PM Campbell Barton wrote:
> >> On the other hand we end up loosing time to support various
> >> configurations, its hard to know beforehand if enabling options incurs
> >> maintenance overhead.
> >>
> >> Seems like a special case - couldn't the BlenderCAVE/remote-camera
> >> users who want RTSP  do their own builds?
> > May I suggest enabling v4l2? In conjunction with the v4l2loopback kernel
> > module (https://github.com/umlaeute/v4l2loopback) you could use it as a
> shim
> > to interface with any source available to ffmpeg / gstreamer / mlt /
> whatever
> > support v4l2. That way all you need to deal with is uncompressed video.
> No
> > codecs to worry about since it's would be decompressed by whatever is
> feeding
> > the v4l2loopback input. Also a big bonus is that it's non-blocking,
> unlike a
> > FIFO interface.
> >
> > For windows, I'm sure there is something similar that could be done with
> > directshow. For Mac you might consider something like Syphon.
> > (http://syphon.v002.info/)
> >
> > -Reuben
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> >
>
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