El Miércoles, 14 de Febrero de 2007, Simon Baxter escribió:
> >> In order to get the correct info from a v4l2-ctl --all:
> >> Format:
> >> Type : VBI Capture
> >> Sampling Rate : 27000000 Hz
> >> Offset : 248 samples (9.18519e-06 secs after leading
> >> edge)
> >> Samples per Line: 1440
> >> Sample Format : GREY
> >> Start 1st Field : 6
> >> Count 1st Field : 18
> >> Start 2nd Field : 318
> >> Count 2nd Field : 18
> >> Video input : 0 (Tuner 1)
> >> Audio input : 0 (Tuner 1)
> >> Frequency: 1440000 (90.000000 MHz)
> >> Video standard = 0x000000ff
> >> PAL-B/B1/G/H/I/D/D1/K
> >> Tuner:
> >> Capabilities : @@ -881,12 +881,19 @@
> >> bool cPvrDevice::Tune(int freq)
> >> {
> >> struct v4l2_frequency vf;
> >> + int freqaux = freq;
> >>
> >> memset(&vf, 0, sizeof(vf));
> >> vf.tuner = 0;
> >> - vf.type = V4L2_TUNER_ANALOG_TV;
> >> + if (freq < 88000000)
> >
> > I think this don't work. I use freq >180000 because 180000 is the max
> > range
> > for FM.
> > You can also use:
> >
> > if (radio_fd >= 0)
> > radio
> > else
> > tv
> >
> > Jose Alberto
>
> I've found some weird stuff. When vf.tuner is set to V4L2_TUNER_RADIO the
> freq seems to be a factor smaller. In experimenting, I find if I set the
> channels between 88000000 & 108000000 (for 88-108Mhz - looks like this is
> set as Hz ???) monitoring what's been set on the PVR-150 with 'v4l2-ctl
> --all', I see these values set the correct freq and I get a 50% or better
> signal strength. What's more, the 'v4l2-ctl --all' matches what's set
> with a 'ivtv-radio -f90.0'.
>
> Problem is, no audio is output!! It looks like the v4l2 tuner is set to
> radio, the tuner is set to 90.9Mhz, but it's trying to play the stream
> from /dev/video0 rather than /dev/video24. Does this make sense??
radio:
/dev/video24->raw audio
/dev/video0->compressed mp2 audio
Jose Albeerto
>
>
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