[Interest] QtMultimedia and Live-TV

[Cornelius Hald]

Yoann, thank a lot for the detailed explanation. That surely helped.
Also thanks for the hint about the audio. I didn't think about this at
all, but it would be quite important for my use case.

Cheers,
Conny


On Fri, 2014-05-30 at 12:21 +0000, Lopes Yoann wrote:
> On May 26, 2014, at 9:05 PM, Cornelius Hald wrote:
> > 
> > is it possible to use Live-TV (e.g. DVB-S) on Linux using
> > QtMultimedia
> > and QtQuick? I guess that would involve Video4Linux and GStreamer.
> > So
> > basically it should be mostly the same as using a webcam. Right?
> > 
> 
> 
> You're right it's mostly the same. It should work simply by passing
> the device path to the QCamera constructor, like so:
> QCamera("/dev/video1")
> Of course, you'll have to tune the TV tuner directly, using V4L2 for
> example.
> 
> > 
> > And how is the situation on Windows?
> > Better? Worse?
> > 
> 
> 
> On Windows, DirectShow treats all video capture devices the same way.
> You should see it among the available cameras from QCamera.
> Like for GStreamer, you'll have to find a way to tune the TV tuner,
> which might not be possible without accessing the internal DS graph.
> 
> 
> Last but not least and in both cases, even if you manage to get the
> video part working, you won't have any sound... The camera backend
> doesn't connect any audio input to an audio output device.
> 
> -- 
> Yoann