On Sun, Oct 12, 2008 at 22:25, pascal <[EMAIL PROTECTED]> wrote: > I use hauppauge cards since a few year, under linux and with ivtv. (a > PVR 350 and a PVR 150). each card is in a different system running freevo.
It would be interesting to not start freevo and do: cat /dev/videX > test.mpg And see if this does give you sound. > After the update, I noticed that most channel didn't have any sound. > Searching further, I discovered that channels I can hear are sendind the > audio signal in stereo (SECAM stereo is NICAM, a numeric soundtrack > encoded in some unseen video lines in the picture, because original > SECAM sound modulation was AM, and not updatable to stereo). Other > channel were muted. > > I finaly found that this behavior can be changed : > > By default, freevo set the tuner in 'generic secam' : v4l2-ctl -S tell me : > > $ v4l2-ctl -S > Video Standard = 0x00ff0000 > SECAM-B/D/G/H/K/K1/L/Lc > > French flavour of SECAM is SECAM L. If I set the tuner for SECAM-L : > > $ v4l2-ctl -s secam-L > Standard set to 00400000 > $ v4l2-ctl -S > Video Standard = 0x00400000 > SECAM-L > > Then I have again sound. > > Here the question : should I consider that new way like a bahaviour ? Or is > that a 'bug' ? Probably not a bug. Before you run freevo run v4l2-ctl --log-status. Could you post this? It is always good to include the complete ivtv init start to end (don't grep for only ivtv) from the kernel log. Greets Sander _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
