[mythtv-users] using WinTV PVR-350 to play AM/FM radio? (slightly OT)

Steven Adeff adeffs.mythtv at gmail.com
Tue Apr 4 22:26:45 UTC 2006


On 4/4/06, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
> On 4/4/06, Jeff Simpson <jeffsimpson at alum.wpi.edu> wrote:
> > > I disagree somewhat in the playback ideas. I do agree that exporting
> > > to portable media devices should definitely be a big part of this, I
> > > would even extend that idea to make it possible to stream to those
> > > networked audio player device things (I don't have one, but I can see
> > > this being a great feature).
> >
> >
> > I just didn't want this seemingly-simple idea get too bloated before it even
> > starts. Once we get started on the perils of inventing Yet Another MP3
> > Player and integrating it into myth, it becomes a very large project. (yeah,
>
> except it would just be a matter of slightly modifying whats there to
> handle the FM recordings.
>
> > I agree, it makes sense for recordings of radio to be in with recordings of
> > TV, since they are both recordings, but at the same time, music (mp3) and
> > radio are also very similar, and mythmusic and the like already have info
> > display and visualizations built in.
>
> The issue is that MythMusic is, IMNSHO, a mess, I end up booting up
> XBMC on the xbox and using that to listen to music since it is a
> pleasure to use for this. I've also had other issues with MythMusic
> not being able to play many of my mp4 encodes, etc. Makes me think
> MythMusic could use a complete rewrite...
>
> I'd settle for using the DVB radio video creation method already in
> SVN to be used to create a visual for playback of FM recordings with
> the regular OSD info used for TV to display information.
>
> In fact, this is probably the best way to go. I don't know how far
> along the new MFE is, but from what I understand it should give a much
> more integrated UI feel to Myth and its plugins, something more akin
> to how XBMC can move between music, video, and picture playback
> seamlessly. I think any fancy stuff should just be put on hold until
> it can be done in MFE instead.
>
> > > Anyway, I have my MythTV setup connected to my hometheatre which
> > > doubles as my "stereo", so *I* would want to have a nice interface for
> > > playing back radio this way, as well, many people have remote
> > > frontends in rooms without radios, so even if you are playing it back
> > > through the TV its better than nothing. In that regard, I don't see
> > > organization and playback of recorded radio needing to be much
> > > different than how TV is handled. I think the current Watch Recordings
> > > area is a fine layout for Radio, you could even replace the Preview
> > > picture with an image associated with the show (cause everyone loves
> > > eye candy!).
> >
> >
> > Since it doubles as your stereo, I'm sure you can also see the need for an
> > easy to use and well designed music player as well. If mythmusic were as
> > intuitive as the watch-recordings menu is, people would actually use it.
> > Imagine having the ability to scroll through recorded FM, mp3s, audio CDs,
> > and even shoutcast and other internet streams. A shoutcast stream is not
> > much different from recorded FM when you think about it. You can group media
> > into "where you got it from" or "what you'll do with it" and come up with
> > "recorded" and "library" and "watch" and "listen-to". Either one seems like
> > a good way to group them, but one puts radio in with tv because you recorded
> > it, the other puts radio in with mp3s because you listen to them.
>
> I agree, I even posted to the dev list a UI concept that would allow
> for this AND still function well with a 6 button remote. The problem
> is getting people to code it. I don't have this ability and honestly
> don't particularly enjoy coding enough to want to learn.
>
> I will be moving into a new apt soon with a friend that is CompSci
> major and programs for a living though, and perhaps having Myth around
> will get him interested enough to contribute...
>
> <snip>
>
> > I think step one would be trying to record radio outside myth (just like
> > step one in setting
> > up myth is getting the capture cards to work outside of myth). Once we can
> > create an
> > environment where we can easily start/stop recordings of set frequencies to
> > files, we can
> > add on scheduling and all the myth integration that we'll need.
> >
> > Is anyone currently using a radio card to record radio? and if so, what
> > programs are you using?
> >
> > Also, now that I think about it, what radio card will be supported? As far
> > as I know, there isn't a
> > standard interface for radio cards, I've just been assuming that we'll use
> > an ivtv supported radio
> > device like the PVR cards from hauppauge.
>
> I think this is just a matter of knowing how v4l handles radio. From
> what I understand the ivtv drivers for the PVR cards are capable of
> controling the radio, it may be as simple as using ivtv-tune to tune
> the station and then mplayer /dev/radio0 to listen.
>
> I'll try and play with this when I get home tonight.

root at mythbox:~# ivtv-radio -d /dev/radio0 -f 100.1
set to freq 100.12
Running: aplay -f dat < /dev/video24
Playing raw data 'stdin' : Signed 16 bit Little Endian, Rate 48000 Hz, Stereo

--
Steve


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