latest news on that seems to be that you were working on cleaning up
the code of the Realtek-provided GPL driver, with the goal of
eventually getting it into mainline.
Ah, does the Realtek branch have support for DAB(+) and FM? In
Windows the chip can do DAB+ and FM as well as DVB-T. The
I concur. I have been using Malcolm Priestly's patches with both my
AF9015 dual tuner cards (which are PCI but still look like USB to the
kernel) for a few weeks now and have (finally!) got consistently
perfect recordings in MythTV simultaneously with both tuners on a
card. Malcolm, when do you
Trouble is, on a Nvidia motherboard I have it does not do it at all and
all applications work without any troubles. This seems to suggest a USB
motherboard driver issue.
Right. Well, I can say with high confidence that my dual tuner worked
flawlessly for 18 months using Ubuntu's kernel
Playing with Kaffeine or Mplayer all the devices are fine on the same
system.
Right, admittedly most of my testing has been done with MythTV. I
recall about a month ago I could also get corruption with mplayer.
At the moment, I am going step by step what Myth TV is sending to the
devices.
Which kernels are you all running?
2.6.38-11-generic #50-Ubuntu SMP (Mythbuntu 11.04)
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Try this patch, it should stop start up corruption on the same frontend.
Thanks. I'll try it today.
Have you been able to reproduce any of the corruption issues I and
others are having?
I noticed last night some recordings on the same card had different
levels of corruption depending on the
http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015.fw
5.1? OK, I might eventually try that one too.
This morning I get a little pixeled playback, less than a second.
OK, mine was fine for a few days then the pixellation started up in earnest.
At the moment my symptoms
http://dl.dropbox.com/u/1541853/VID_20111006_004447.3gp
That looks very familiar! Does it occur on tuner A or B?
I get this I2C messages:
# tail -f /var/log/messages
Oct 5 20:16:44 htpc kernel: [ 534.168957] af9013: I2C read failed reg:d330
As far as I know I never had any such messages.
I have had some luck with this patch. I am still getting fouled
recordings with tuner A but it's not consistent. I have yet to
ascertain if the problem occurs depending on the order of tuning to
have both tuners recording different frquencies at the same time, ie
Tuner B then Tuner A or vice
Which Firmware are your using?
4.95
Yes, because it is also happening with other duo devices on Myth TV
0.24.1
OK, well that is what I am using so I guess I am stuck until it's fixed.
Josu what software and versions are you using?
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I think what might happening is that TS packets are getting chopped, as
device seems to want
to align to max packet size.
Oh, I also noticed that the Linux driver uses a smaller USB packet
count than Windows. Is there any discernible reason for this? Lag on
DVB isn't an issue for me and
I might have found one bug so far with the Afa9013 driver.
As part of refactoring the code in
http://git.linuxtv.org/linux-2.6.git/commitdiff/edb709b61abd3ba475e59d1ad81aab21ad025db6
I think one of the u32-u8 calculations is wrong.
The think the second last u32 in the tables has to be changed.
Damn, this patch didn't help so maybe forget this patch. Tuner A is
still messed up.
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I just tried LiveCDs of Mythbuntu 10.04 and 10.10 but had limited luck
with the former and some joy with the latter. Unfortunately the
default framebuffer slowed things down. Anyway in LiveCD 10.10 I used
mplayer to set up and view Tuner A and Tuner B and Tuner A only showed
some slight errors
I have a problem that may be related to the issues on this thread and
it's driving me nuts.
I have two dual tuner Afatech based cards, they are both Leadtek
2000DS cards, one made by Leadtek and the other branded as KWorld but
they are otherwise identical in spite of different VID:PID.
On each
Hi Hermann,
Hopefully it does help in that other case.
I have it working now. I had to add a delay of 120 seconds in the
mythtv backend script to allow the driver enough time to scan both
cards and install the firmware properly. Previously the mythtv
backend at startup was trying to talk to
I seem to have fixed the problem for now. It's the hoary old problem
of Mythtv's backend coming up and accessing the cards before the
firmware has loaded onto the cards. Adding in a startup delay to
myth-backend's init script has solved the problem, for now. The
firmware seems to load now on
B) Use of V4L2 as a frontend for SW/DSP codecs
(Laurent)
This would be good. Realtek's RT2832U chip can tune to and possibly
demodulate DAB/DAB+ and FM along with the usual DVB-T. Realtek does
support DAB and FM in Windows with this part but not in Linux and in
spite of promises from one
I just bought a pair of what are a version of the My Cinema 7131 Hybrid cards.
The kernel reports it as saa7134: Asus Tiger revision 1.0, subsys 1043:4857
I did inititially try Mythbuntu 10.04 but the firmware upload seemed
to fail fairly consistently. Restarting with v10.10 the firmware
loads
I'll add the following kernel debug info for what it's worth:
-
Mar 12 11:22:51 mythtv kernel: [ 14.025097] saa7130/34: v4l2 driver
version 0.2.16 loaded
Mar 12 11:22:51 mythtv kernel: [ 14.026609] saa7134 :00:09.0:
PCI INT A - GSI 17 (level, low) - IRQ 17
Mar 12 11:22:51 mythtv
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