William Case wrote:
On Sat, 2009-05-09 at 22:23 +0200, Nigel Henry wrote:
On Saturday 09 May 2009 20:22, William Case wrote:
Hi;
tvtime gives me a great picture but no sound.
mplayer gives me a terrible picture and no sound.
(terrible = inverted picture with green background; just black and
magenta for colours; and vertical lines running through it.)
Is there a way to find out which video codecs etc. tvtime is using so I
can duplicate them in mplayer. tvtime -v doesn't tell me (I think) nor
is mplayer -v helpful.
I have tried the sound with PulseAudio installed and removed. No
difference.
<enormous skip>
P.S. I am starting a new thread because a lot of information has
changed since my original thread.
--
Regards Bill
Fedora 10, Gnome 2.24.3
Evo.2.24.5, Emacs 22.3.1
Hi Bill.
I did a whole bunch of googling about your problem with the sound, and did
find this on the v4l wiki for DVB. See below for link, etc.
http://www.linuxtv.org/wiki/index.php/Cx88_devices_%28cx2388x%29
I appreciate the your time and effort. I reviewed the site. Thanks.
The suggestion is to load the following module, which affectively will create
another soundcard for capture from the TV card.
modprobe cx88-alsa
Placed it in /etc/rc.d/rc.local for the time being (modules are a
subject for another day)
For me, that also installed the cx88 module, and another bunch of modules
related to v4l. As I don't have your TV card, or any TV card on this machine,
I suspect the only extra modules you will see in lsmod is cx88, and
cx88-alsa. You may now see 2 cards listed from the following command.
cat /proc/asound/cards
]$ lsmod | grep cx88_alsa
cx88_alsa 20488 0
cx88xx 75048 1 cx88_alsa
videobuf_dma_sg 19972 3 cx88_alsa,cx88xx,cx23885
btcx_risc 12296 3 cx88_alsa,cx88xx,cx23885
snd_pcm 85640 3 cx88_alsa,snd_hda_intel,snd_pcm_oss
snd 68984 17 cx88_alsa,snd_hda_intel,snd_seq_dummy,\
snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_hwdep
]$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xe5300000 irq 16
If by some miracle you do, alsamixer as below should access controls for the
second card.
alsamixer -D hw:1 (F4 again, if there are any capture controls)
Alas, no miracle.
The wiki link above suggests setting an alias line for cx88-alsa, and an
options line so that on bootup it's set as card1. Some modules create
problems and try to grab card0, which would create a conflict with your
onboard soundcard which is set to use card0.
There is no /etc/modprobe.conf file in F10, and not being sure where to add
lines in /etc/modprobe.d's files, I simply created a modprobe.conf file
in /etc, so that I could place an options line for my usb midi keyboard, and
it appears to work ok. I would suggest that you might do the same, and add
the following lines to it.
alias snd-card-1 cx88-alsa
options cx88-alsa index=1
No point unless a second sound card has been created.
I am now getting some ticking sounds as if mplayer is trying to produce
sound. I will keep tweaking and fiddling.
Sure it's a cx88 card? Try modprobing bttv and see if that gives you more joy.
--
Bill Davidsen <davidsen@xxxxxxx>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
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