Hi,
I'm a very new member of this list, and I stat here to complains (how
bad !)
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.
Yesterday, I updated one of the system to Mandriva 2009 (Thas is, a
kernel 2.6.27, and ivtv 1.3.0). Just before, my two systems were running
with a 2.6.24 kernel.
I live in France, and receive analog program trough a Cable Operator.
The 23 analog channel are in secam.
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' ?
In the later case, I should be able to do any needed tests, if useful.
Thanks,
Pascal
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