rahul G wrote:
> Hi All..
> As pe my previous posts for recording of live tv while watching live
> tv ...Good news is that I achived this thing by using vloopback
> procedure following links gives clear ieda about that
> "http://www.lavrsen.dk/twiki/bin/view/Motion/VideoForLinuxLoopbackDevice";
> and "http://tibit.org/video/ ".
> With this help I am now able to record live tv.But thing is that for
> sound recoding I am having only one device i.e. /dev/dsp how can i do
> sound recording while watching live tv.Is there any procedure to creat
> virtual layer for sound devices as vllopback creats for video devices.
Hi Rahul,
If I'm not mistaken, the Pinnacle 50i card is a saa7134 card so the
output is raw video stream. For audio the saa7134-alsa driver is needed.
The /dev/dspX devices are really OSS audio devices and should no longer
be needed by ALSA aware applications.
For information what does the output of "freevo vg" provide, it should
generate the correct output for the Pinnacle and the Hauppauge cards.
Something like this:
TV_VIDEO_GROUPS = [
VideoGroup( # tvalsa device, group 0
desc='Pinnacle PCTV Stereo (saa7134)',
group_type='tvalsa',
vdev='/dev/video0',
vvbi='/dev/vbi0',
adev='alsa:adevice=hw.1,0:amode=1:audiorate=32000:forceaudio:immediatemode=0',
input_type='Television',
input_num=0,
tuner_norm='SECAM-DK,SECAM-L,NTSC-M,NTSC-M-KR,PAL,SECAM-G,PAL-M,SECAM-H,SECAM,SECAM-B,PAL-DK,SECAM-Lc,PAL-I,PAL-BG,NTSC-M-JP,PAL-60,PAL-N,NTSC,PAL-H,PAL-Nc',
tuner_chanlist='FixMe',
record_group=None
),
VideoGroup( # ivtv device, group 1
desc='Hauppauge WinTV PVR-350',
group_type='ivtv',
vdev='/dev/video4',
vvbi='/dev/vbi4',
adev=None,
input_type='Tuner 1',
input_num=0,
tuner_norm='SECAM-DK,SECAM-L,NTSC-M,NTSC-M-KR,NTSC,SECAM-G,PAL-M,SECAM-H,SECAM,SECAM-B,PAL-DK,SECAM-Lc,NTSC-443,PAL-I,PAL-BG,NTSC-M-JP,PAL-60,PAL-N,PAL,PAL-H,PAL-Nc',
tuner_chanlist='FixMe',
record_group=None
),
]
The tuner_norm and the tuner_chanlist need to be corrected to your local
settings.
The record_group of the "tvalsa device, group 0" needs to be changed to
1. The alsa:adevice may also need to be changed, you can find out with
"arecord -l" and look for the card number of the SAA7134 PCM device.
The order that the video drivers are loaded will make a difference to
how you configure Freevo. Hopefully the order is consistent, but this is
not always the case. What I mean here is that /dev/video0 should always
be assigned to the Pinnacle card and /dev/video1 (etc) to the Hauppauge
card.
To watch TV while recording then Freevo needs to be configured to use
the IVTV card for recording and the saa7134 card for live TV.
Then you may be able to use the plugin.activate('tv.ivtv_record') to
record TV and a mplayer command with the tv:// URI to watch TV. Not 100%
sure if this will work as I've not tried this configuration.
Duncan
>
> On Wed, Jan 21, 2009 at 8:12 PM, Adam Charrett <a...@dvbstreamer.org> wrote:
>> On Wed, January 21, 2009 12:55 pm, rahul G wrote:
>>> Hi Elizabeth,
>>> I have gone through the link which you send it to me last
>>> time i.e. "http://doc.freevo.org/MultiRecordingCard".But the thing is that
>>> I
>>> am having single pinnacle 50i card.I want record live tv while watching
>>> live
>>> tv ..Is there any way to achive this thing with the single tv tuner
>>> card..If you have any ieda regarding this or any other pointers please
>>> send
>>> to me ....
>>>
>> I think the answer to your question is yes and no :-}.
>>
>> If you where to start recording TV and then watch the recording you could
>> record and watch (almost) live TV. But you with your card you can't record
>> while watching Live TV, v minor difference I know but significant. To do
>> this you'll need a card supported by the ivtv driver (i.e. with an MPEG2
>> encoder on the card) and use the ivtv plugin as Evan has suggested.
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