Re: Afatech AF9013

Re: Afatech AF9013

[Jason Hecker]

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 card tuner A is an AF9015 and tuner B is an AF9013.  The
KWorld card worked just fine for about 18 months in Mythbuntu 10.04
with the rebuilt and patched modules as described in the Wiki entry on
the 2000DS.  A few weeks ago tuner A started giving errors making the
viewing unwatchable so figuring the card had died I bought the
Leadtek.  To my surprise it gave the same problem as the KWorld when
using tuner A.  It seems Tuner A is OK until Tuner B is used and then
Tuner A gets a lot of errors.  Tuner B never has errors.  I did try
using the latest "media_build" from V4L but that didn't help.

So, I installed Mythbuntu 11.04 and with both cards I
still get the same problem.  Watching live TV with MythTV or with
mplayer on tuner A gives errors and tuner B is always flawless even
with "media_build" updates.

I honestly can't recall if when the failure first occurred if I had
done a routine kernel update at that time - though it would have just
been the usual 2.6.32 update that is in line with 10.04 maintenance.

I have tried everything imaginable to nail down the problem but can't
seem to fix it.  Even "options dvb-usb force_pid_filter_usage=1" seems
to improve the problem somewhat but the errors are still there.  I
have tried every firmware from 4.65 to 5.10, adjusting the PCI latency
from 32 to 96, fed each card directly from the antenna (taking the
splitter out of the loop), one card fitted, both cards fitted, kernel
and system upgrades (Mythbuntu 10.04 to 11.04), mplayer vs MythTV but
the results are always the same.  Tuner B is perfect, tuner A
corrupts when Tuner B is used.  There are no errors or warnings in
syslog or dmesg to
suggest anything has failed.

I'd appreciate any suggestions at this point as I am pretty unhappy
with the situation considering it *used* to work.

Re: Afatech AF9013

[Josu Lazkano]

Hello again, thanks Jason for your reply. It is interesting to ear
that is not just my problem.

I add the dual device on a laptop with same kernel 2.6.32.

It works well, both tuners working great with no pixeled images.

Two weeks ago, I must change my HTPC power supply, a 300W PFC. I had
some problems when connecting a 2,5 USB drive (it use to shutdown). On
the local shop they test it and there are more than 5V on the USB, so
they change it.

How can I test the USB? Is there any USB debug tool?

I don't know how to continue with this, thanks for all your help, best regards.

2011/8/21 Jason Hecker <jwhecker@gmail.com>:
> 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 card tuner A is an AF9015 and tuner B is an AF9013.  The
> KWorld card worked just fine for about 18 months in Mythbuntu 10.04
> with the rebuilt and patched modules as described in the Wiki entry on
> the 2000DS.  A few weeks ago tuner A started giving errors making the
> viewing unwatchable so figuring the card had died I bought the
> Leadtek.  To my surprise it gave the same problem as the KWorld when
> using tuner A.  It seems Tuner A is OK until Tuner B is used and then
> Tuner A gets a lot of errors.  Tuner B never has errors.  I did try
> using the latest "media_build" from V4L but that didn't help.
>
> So, I installed Mythbuntu 11.04 and with both cards I
> still get the same problem.  Watching live TV with MythTV or with
> mplayer on tuner A gives errors and tuner B is always flawless even
> with "media_build" updates.
>
> I honestly can't recall if when the failure first occurred if I had
> done a routine kernel update at that time - though it would have just
> been the usual 2.6.32 update that is in line with 10.04 maintenance.
>
> I have tried everything imaginable to nail down the problem but can't
> seem to fix it.  Even "options dvb-usb force_pid_filter_usage=1" seems
> to improve the problem somewhat but the errors are still there.  I
> have tried every firmware from 4.65 to 5.10, adjusting the PCI latency
> from 32 to 96, fed each card directly from the antenna (taking the
> splitter out of the loop), one card fitted, both cards fitted, kernel
> and system upgrades (Mythbuntu 10.04 to 11.04), mplayer vs MythTV but
> the results are always the same.  Tuner B is perfect, tuner A
> corrupts when Tuner B is used.  There are no errors or warnings in
> syslog or dmesg to
> suggest anything has failed.
>
> I'd appreciate any suggestions at this point as I am pretty unhappy
> with the situation considering it *used* to work.
> --
> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>



-- 
Josu Lazkano

Re: Afatech AF9013

[Malcolm Priestley]

On Sun, 2011-08-21 at 11:51 +1000, Jason Hecker wrote:

> I have tried everything imaginable to nail down the problem but can't
> seem to fix it.  Even "options dvb-usb force_pid_filter_usage=1" seems
> to improve the problem somewhat but the errors are still there.  I
> have tried every firmware from 4.65 to 5.10, adjusting the PCI latency
> from 32 to 96, fed each card directly from the antenna (taking the
> splitter out of the loop), one card fitted, both cards fitted, kernel
> and system upgrades (Mythbuntu 10.04 to 11.04), mplayer vs MythTV but
> the results are always the same.  Tuner B is perfect, tuner A
> corrupts when Tuner B is used.  There are no errors or warnings in
> syslog or dmesg to
> suggest anything has failed.
I think there is a BUG, where on some systems, the frontends become
swapped between kernels 2.6.35 and 2.6.38 on dual tuners.

I haven't fully investigated the cause, but I think it's to do with
applying a later build of dvb-usb to an earlier kernel.

So, Tuner B on 2.6.38(11.04) is the old Tuner A.

Regards

Malcolm

Re: Afatech AF9013

[Jason Hecker]

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 when Tuner B was being set up.  After that for some
strange reason attempt at retuning with mplayer failed utterly so I
suspect there is some problems with the older versions of mplayer.

These cards have blue LEDs for each tuner and light up when in use.  I
did notice in my testing that the LED on tuner A would flicker off
briefly (and presumably issue the errors) when Tuner B was being set
up.  I am wondering if there is a general setup problem or even a I2S
timing problem.  Could someone contact me off list about sending me
the data sheets for the AF901x chips?

Re: Afatech AF9013

[Josu Lazkano]

2011/8/22 Jason Hecker <jwhecker@gmail.com>:
> 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 when Tuner B was being set up.  After that for some
> strange reason attempt at retuning with mplayer failed utterly so I
> suspect there is some problems with the older versions of mplayer.
>
> These cards have blue LEDs for each tuner and light up when in use.  I
> did notice in my testing that the LED on tuner A would flicker off
> briefly (and presumably issue the errors) when Tuner B was being set
> up.  I am wondering if there is a general setup problem or even a I2S
> timing problem.  Could someone contact me off list about sending me
> the data sheets for the AF901x chips?
> --
> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

Hello again, yesterday I try to connect the KWorld USB Dual DVB-T TV
Stick (DVB-T 399U) on my HTPC, I start MythTV and both tuners were
working great, I could record a channel and watch an other one, both
HD.

But 2 hours later they start to watch bad, with pixeled images:
http://dl.dropbox.com/u/1541853/kworld.3gp

I don't know what happens with this tuner. I have two identical ones
and both have same issues.

I could share a SSH root access to everyone that want to test the
tuner. I will install a fresh Debian Squeeze on my laptop and give
full access to the machine.

Anyone interested? I don't know what else to try with it.

Thanks and best regards.

-- 
Josu Lazkano

Re: Afatech AF9013

[Jason Hecker]

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. Here is
the diff.  I will try it later as I have run out of time to test it
this morning.  This may not fix the problems we are having but it
might help...  So patch the file af9013_priv.h with this in the latest
git media_build and see what happens.  I'll report back later with my
results.

af9013_priv.h.diff

<snip>------------------------------

74c74
<               0x29, 0x03, 0x5d, 0x7a, 0xec, 0x01, 0x45, 0x14, 0x14 } },
---
>               0x29, 0x00, 0xa2, 0x85, 0x14, 0x01, 0x45, 0x14, 0x14 } },
77c77
<               0xe4, 0x03, 0x71, 0xcb, 0xe8, 0x01, 0x1c, 0x71, 0x32 } },
---
>               0xe4, 0x00, 0x8e, 0x34, 0x72, 0x01, 0x1c, 0x71, 0x32 } },
80c80
<               0x9e, 0x03, 0x86, 0x1c, 0x31, 0x00, 0xf3, 0xcf, 0x0f } },
---
>               0x9e, 0x00, 0x79, 0xe3, 0xcf, 0x00, 0xf3, 0xcf, 0x0f } },
84c84
<               0x49, 0x03, 0x1b, 0x74, 0xdb, 0x01, 0xc9, 0x24, 0x25 } },
---
>               0x49, 0x00, 0xe4, 0x8b, 0x25, 0x01, 0xc9, 0x24, 0x25 } },
87c87
<               0x00, 0x03, 0x38, 0x06, 0x40, 0x01, 0x90, 0x00, 0x00 } },
---
>               0x00, 0x00, 0xc7, 0xf9, 0xc0, 0x01, 0x90, 0x00, 0x00 } },
90c90
<               0xb7, 0x03, 0x54, 0x97, 0xa4, 0x01, 0x56, 0xdb, 0x1c } },
---
>               0xb7, 0x00, 0xab, 0x68, 0x5c, 0x01, 0x56, 0xdb, 0x1c } },
94c94
<               0x05, 0x03, 0x58, 0xd6, 0x34, 0x01, 0x4e, 0x5e, 0x03 } },
---
>               0x05, 0x00, 0xa7, 0x29, 0xcc, 0x01, 0x4e, 0x5e, 0x03 } },
97c97
<               0x25, 0x03, 0x6d, 0xbb, 0x6e, 0x01, 0x24, 0x92, 0x12 } },
---
>               0x25, 0x00, 0x92, 0x44, 0x92, 0x01, 0x24, 0x92, 0x12 } },
100c100
<               0x44, 0x03, 0x82, 0xa0, 0xa7, 0x00, 0xfa, 0xc6, 0x22 } },
---
>               0x44, 0x00, 0x7d, 0x5f, 0x59, 0x00, 0xfa, 0xc6, 0x22 } },
104c104
<               0xe7, 0x03, 0x44, 0xc6, 0xf3, 0x01, 0x76, 0x7d, 0x34 } },
---
>               0xe7, 0x00, 0xbb, 0x39, 0x0d, 0x01, 0x76, 0x7d, 0x34 } },
107c107
<               0x0a, 0x03, 0x5c, 0x2e, 0x14, 0x01, 0x47, 0xae, 0x05 } },
---
>               0x0a, 0x00, 0xa3, 0xd1, 0xec, 0x01, 0x47, 0xae, 0x05 } },
110c110
<               0x2d, 0x03, 0x73, 0x95, 0x36, 0x01, 0x18, 0xde, 0x17 } },
---
>               0x2d, 0x00, 0x8c, 0x6a, 0xca, 0x01, 0x18, 0xde, 0x17 } },

Re: Afatech AF9013

[Jason Hecker]

Damn, this patch didn't help so maybe forget this patch.  Tuner A is
still messed up.

[PATCH] Re: Afatech AF9013 [TEST ONLY] AF9015 stream buffer size aligned with max packet size.

[Malcolm Priestley]

On Tue, 2011-08-23 at 11:47 +1000, Jason Hecker wrote:
> Damn, this patch didn't help so maybe forget this patch.  Tuner A is
> still messed up.
Try this patch, applied to the latest media_build. it aligns buffer size to the max packet
size instead of TS packet size.

I think what might happening is that TS packets are getting chopped, as device seems to want
to align to max packet size.

Afatech seem to want create rather large buffers at considerable delay. The size of the buffer
has also been considerably reduced. If you want to increase it change TS_USB20_PACKET_COUNT
in multiplies of 2 (56 ... 112).

---
 drivers/media/dvb/dvb-usb/af9015.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c
index d7ad05f..eaf0800 100644
--- a/drivers/media/dvb/dvb-usb/af9015.c
+++ b/drivers/media/dvb/dvb-usb/af9015.c
@@ -404,21 +404,22 @@ static int af9015_init_endpoint(struct dvb_usb_device *d)
 	   We use smaller - about 1/4 from the original, 5 and 87. */
 #define TS_PACKET_SIZE            188
 
-#define TS_USB20_PACKET_COUNT      87
-#define TS_USB20_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB20_PACKET_COUNT)
-
 #define TS_USB11_PACKET_COUNT       5
 #define TS_USB11_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB11_PACKET_COUNT)
 
-#define TS_USB20_MAX_PACKET_SIZE  512
+#define TS_USB20_MAX_PACKET_SIZE  128
 #define TS_USB11_MAX_PACKET_SIZE   64
 
+#define TS_USB20_PACKET_COUNT      28
+#define TS_USB20_FRAME_SIZE       (TS_USB20_MAX_PACKET_SIZE\
+					*TS_USB20_PACKET_COUNT)
+
 	if (d->udev->speed == USB_SPEED_FULL) {
 		frame_size = TS_USB11_FRAME_SIZE/4;
 		packet_size = TS_USB11_MAX_PACKET_SIZE/4;
 	} else {
-		frame_size = TS_USB20_FRAME_SIZE/4;
-		packet_size = TS_USB20_MAX_PACKET_SIZE/4;
+		frame_size = TS_USB20_FRAME_SIZE;
+		packet_size = TS_USB20_MAX_PACKET_SIZE;
 	}
 
 	ret = af9015_set_reg_bit(d, 0xd507, 2); /* assert EP4 reset */
-- 
1.7.4.1

Re: [PATCH] Re: Afatech AF9013 [TEST ONLY] AF9015 stream buffer size aligned with max packet size.

[Jason Hecker]

> 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 probably everyone else due to the stream
going to secondary storage first.

Great, I'll try it out later.  I have been studying the source code
and noticed that the bus locking mechanism is TODOed and may be part
of the problem.  My symptom is that Tuner A fails when Tuner B is
started and I have a theory that somehow the TDA18271 is getting some
I2C data and being corrupted because of a gating problem with the I2C
signal.  The TDA18271 can change the last 2 bits of it's default I2C
address by setting a voltage on its AS pin (presumably with resistor
dividers) but I haven't delved in to determine if this what Leadtek
have done - both tuners might be set to address 0xC0.  I can only
truly test this by putting CRO probe on and seeing if the I2C is going
down the wrong path at the wrong time.

I just wish ITE/Afa would release their data sheet to the public and
make it as detailed and USEFUL as the TDA18271 data sheet.  This
obfuscation, need for NDAs and a half arsed data sheet and bloody
sniffing Windows USB transactions for programming clues is such a
waste of time and I fail to see how it benefits ITE to do this.  The
Afatech chips are 4+ years old anyway - what's the problem?  If anyone
wants to send me the data sheets and more importantly the DESIGN
MANUAL from the devkit I'd be most grateful.

Re: Afatech AF9013

[Josu Lazkano]

2011/8/23 Jason Hecker <jwhecker@gmail.com>:
> Damn, this patch didn't help so maybe forget this patch.  Tuner A is
> still messed up.
>

Hello, thanks all to reply this post. I have no idea how to apply the
patch on my Debian Squeeze. Can you help to apply the patch?

Thanks your all your help.

Best regards.

-- 
Josu Lazkano

Re: Afatech AF9013

[Malcolm Priestley]

On Mon, 2011-08-29 at 20:40 +0200, Josu Lazkano wrote:
> 2011/8/23 Jason Hecker <jwhecker@gmail.com>:
> > Damn, this patch didn't help so maybe forget this patch.  Tuner A is
> > still messed up.
> >
> 
> Hello, thanks all to reply this post. I have no idea how to apply the
> patch on my Debian Squeeze. Can you help to apply the patch?
> 
> Thanks your all your help.
It is best applied using media_build and using a copy from the patchwork
server. You can just copy the raw email to a text file, but sometimes it
is malformed.

Since you originally used s2-liplianin you just need patchutils to apply
it to that. However, since it is older, I doubt it will apply cleanly.

https://patchwork.kernel.org/patch/1090012/

For media build, check if the required packages for Debian Squeeze are
the same as Ubuntu.

But, it appears the patch makes no difference.

Regards

Malcolm

MEDIA BUILD INSTALL (Instructions here are for Ubuntu)

Using Terminal install git, patchutils and perl with
sudo apt-get install git(or git-core)
sudo apt-get install patchutils
sudo apt-get install libdigest-sha1-perl
sudo apt-get install libproc-processtable-perl

Always build somewhere in your home directory with local user rights.
Only use super user rights to install. 

git clone git://linuxtv.org/media_build.git

cd media_build

---NO PATCH---

./build

sudo make install


---PATCH TO BE APPLIED---

Download any patch and place in the media_build directory and apply in
the following way.

./build (skip this if already built)

Wait for download and start to build. If you are confident that the
build will complete without errors break the build with <CTRL> C

Apply the patch. Make sure if applying multipliable patches they are
applied oldest first.

Just test the patch.
patch -d linux -p1 --dry-run < the_patch_name.patch

If okay apply it.
patch -d linux -p1 < the_patch_name.patch

make distclean

make

sudo make install

More in depth instructions here
http://www.linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers

Re: Afatech AF9013

[Josu Lazkano]

2011/8/17 Antti Palosaari <crope@iki.fi>:
> On 08/17/2011 10:36 AM, Josu Lazkano wrote:
>> I don't know how wide is the stream, but it could be a USB wide
>> limitation. My board is a little ION based and I have some USB
>> devices:
>> $ lsusb
>> Bus 001 Device 002: ID 1b80:e399 Afatech
>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>
> I don't think so. Total under 50Mbit/sec stream should not be too much
> for one USB2.0 root hub.
>
> Which is chipset used ION (it is southbridge which contains usually USB
> ports)?
>
>> The problematic twin device is the "Afatech" one, there is an DVB-S2
>> USB tuner, a bluetooth dongle, a IR receiver and a wireless
>> mouse/keybord receiver.
>>
>> Now I am at work, I will try to disconnect all devices and try with
>> just the DVB-T device.
>>
>> I use to try with MythTV if it works or not. Is there any other tool
>> to test and debug more deep about USB or DVB wide?
>
> You can look stream sizes using dvbtraffic tool. It is last line of
> output which shows total stream size.
>
> tzap can be used to tune channel. But it you can use some other app like
> MythTV and then run dvbtraffic same time.
>
>> I apreciate your help. Thanks and best regards.
>
> regards
> Antti
>
> --
> http://palosaari.fi/
>

Thanks Antti, I don't know the chipset model, my board is this one:
ZOTAC ION ITX-G Synergy Edition:
http://www.zotac.com/pdbrochures/mb/ION-ITX-G-E-Synergy-Edition_v1.3.pdf

On the BIOS there is something about southbridge, but now I am
connected remotely so I can not access to the BIOS, I must change
something on the BIOS?

I make this steps to record a TV channel:

1. Scan with w_scan with both adapters:
w_scan -a 2 -ft -c ES >> canales1_TDT.conf
w_scan -a 3 -ft -c ES >> canales2_TDT.conf

Here is the output and the channel files:
http://dl.dropbox.com/u/1541853/w_scan1
http://dl.dropbox.com/u/1541853/canales1_TDT.conf

http://dl.dropbox.com/u/1541853/w_scan2
http://dl.dropbox.com/u/1541853/canales2_TDT.conf

I think there is something wrong, because there must be more channels
as TVE 1, La 2...

How can I tune the correct channel?

I try this:

$ tzap -a 2 -c canales1_TDT.conf -r "TELECINCO"
using '/dev/dvb/adapter2/frontend0' and '/dev/dvb/adapter2/demux0'
reading channels from file 'canales1_TDT.conf'
ERROR: could not find channel 'TELECINCO' in channel list

I want to try to tune the channel and record it with gnutv and see if
there is any problem. Thanks for the dvbtraffic tool.

Thanks for all your help, best regards.

-- 
Josu Lazkano

Re: Afatech AF9013

[Malcolm Priestley]

On Wed, 2011-08-17 at 19:27 +0200, Josu Lazkano wrote:
> 2011/8/17 Malcolm Priestley <tvboxspy@gmail.com>:
> > On Wed, 2011-08-17 at 01:23 +0200, Jose Alberto Reguero wrote:
> >> On Martes, 16 de Agosto de 2011 22:57:24 Antti Palosaari escribió:
> >> > On 08/16/2011 11:27 PM, Jose Alberto Reguero wrote:
> >> > >> options dvb-usb force_pid_filter_usage=1
> >> > >>
> >> > >> I change the signal timeout and tuning timeout and now it works perfect!
> >> > >>
> >> > >> I can watch two HD channels, thanks for your help.
> >> > >>
> >> > >> I really don't understand what force_pid_filter_usage do on the
> >> > >> module, is there any documentation?
> >> > >>
> >> > >> Thanks and best regards.
> >> > >
> >> > > For usb devices with usb 2.0 when tunned to a channel there is enought
> >> > > usb bandwith to deliver the whole transponder. With pid filters they
> >> > > only deliver the pids needed for the channel. The only limit is that the
> >> > > pid filters is limited normaly to 32 pids.
> >> >
> >> > May I ask how wide DVB-T streams you have? Here in Finland it is about
> >> > 22 Mbit/sec and I think two such streams should be too much for one USB
> >> > bus. I suspect there is some other bug in back of this.
> >> >
> >> > regards
> >> > Antti
> >>
> >> Here the transport stream is like yours. About 4 Mbit/sec by channel, and
> >> about 5 channels by transport stream. The problem I have is that when I have
> >> the two tuners working I have a few packets lost, and I have some TS
> >> discontinuitys. With pid filters the stream is perfect. Perhaps Josu have
> >> another problem.
> >
> > I am certain it is the configuration of the second frontend that ripples
> > through Afatech devices.
> >
> > I have only got a single AF9015 device so can't test the dual
> > configuration.
> >
> > Does the same problems exist when running the second frontend solo or
> > dual with the Windows driver?
> >
> > With the IT1937(aka AF9035) the second frontend appeared not to work at
> > all in Windows in dual mode.
> >
> > tvboxspy
> >
> >
> 
> Thanks Malcolm, sorry but I don't understand very good your post (my
> poor english).
> 
> On Microsoft Windows XP the dual device works great, I can watch two
> different channels (different transponder).
> 
> I want to know if there is an other command-line tool to test them,
> because it will be MythTV playback problem.
> 
> The most problem is that sometimes one adapter work, then no adapter
> work and then both adapter work but there is no clear image (pixeled).
> 
> How could I test if there is some packet drop?
Looks like you need pid filtering on, but if you force the pid filter
on, it won't work because there is no functions setup for it on the
driver for the second frontend.

btw, you need to force the pid filter on at boot time, add a line in
file.

/etc/modules (or  /etc/modules.preload) 

dvb_usb force_pid_filter_usage=1

Otherwise, it keeps going off.

But, it will only work on the first frontend(adapter). It works fine on
my single one.

Regards

Malcolm 

Re: Afatech AF9013

[Antti Palosaari]

On 08/17/2011 10:36 AM, Josu Lazkano wrote:
> I don't know how wide is the stream, but it could be a USB wide
> limitation. My board is a little ION based and I have some USB
> devices:
> $ lsusb
> Bus 001 Device 002: ID 1b80:e399 Afatech
> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

I don't think so. Total under 50Mbit/sec stream should not be too much
for one USB2.0 root hub.

Which is chipset used ION (it is southbridge which contains usually USB
ports)?

> The problematic twin device is the "Afatech" one, there is an DVB-S2
> USB tuner, a bluetooth dongle, a IR receiver and a wireless
> mouse/keybord receiver.
> 
> Now I am at work, I will try to disconnect all devices and try with
> just the DVB-T device.
> 
> I use to try with MythTV if it works or not. Is there any other tool
> to test and debug more deep about USB or DVB wide?

You can look stream sizes using dvbtraffic tool. It is last line of
output which shows total stream size.

tzap can be used to tune channel. But it you can use some other app like
MythTV and then run dvbtraffic same time.

> I apreciate your help. Thanks and best regards.

regards
Antti

-- 
http://palosaari.fi/

Re: Afatech AF9013

[Josu Lazkano]

2011/8/17 Malcolm Priestley <tvboxspy@gmail.com>:
> On Wed, 2011-08-17 at 01:23 +0200, Jose Alberto Reguero wrote:
>> On Martes, 16 de Agosto de 2011 22:57:24 Antti Palosaari escribió:
>> > On 08/16/2011 11:27 PM, Jose Alberto Reguero wrote:
>> > >> options dvb-usb force_pid_filter_usage=1
>> > >>
>> > >> I change the signal timeout and tuning timeout and now it works perfect!
>> > >>
>> > >> I can watch two HD channels, thanks for your help.
>> > >>
>> > >> I really don't understand what force_pid_filter_usage do on the
>> > >> module, is there any documentation?
>> > >>
>> > >> Thanks and best regards.
>> > >
>> > > For usb devices with usb 2.0 when tunned to a channel there is enought
>> > > usb bandwith to deliver the whole transponder. With pid filters they
>> > > only deliver the pids needed for the channel. The only limit is that the
>> > > pid filters is limited normaly to 32 pids.
>> >
>> > May I ask how wide DVB-T streams you have? Here in Finland it is about
>> > 22 Mbit/sec and I think two such streams should be too much for one USB
>> > bus. I suspect there is some other bug in back of this.
>> >
>> > regards
>> > Antti
>>
>> Here the transport stream is like yours. About 4 Mbit/sec by channel, and
>> about 5 channels by transport stream. The problem I have is that when I have
>> the two tuners working I have a few packets lost, and I have some TS
>> discontinuitys. With pid filters the stream is perfect. Perhaps Josu have
>> another problem.
>
> I am certain it is the configuration of the second frontend that ripples
> through Afatech devices.
>
> I have only got a single AF9015 device so can't test the dual
> configuration.
>
> Does the same problems exist when running the second frontend solo or
> dual with the Windows driver?
>
> With the IT1937(aka AF9035) the second frontend appeared not to work at
> all in Windows in dual mode.
>
> tvboxspy
>
>

Thanks Malcolm, sorry but I don't understand very good your post (my
poor english).

On Microsoft Windows XP the dual device works great, I can watch two
different channels (different transponder).

I want to know if there is an other command-line tool to test them,
because it will be MythTV playback problem.

The most problem is that sometimes one adapter work, then no adapter
work and then both adapter work but there is no clear image (pixeled).

How could I test if there is some packet drop?

Thanks for your great help.

Best regards.

-- 
Josu Lazkano

Re: Afatech AF9013

[Malcolm Priestley]

On Wed, 2011-08-17 at 01:23 +0200, Jose Alberto Reguero wrote:
> On Martes, 16 de Agosto de 2011 22:57:24 Antti Palosaari escribió:
> > On 08/16/2011 11:27 PM, Jose Alberto Reguero wrote:
> > >> options dvb-usb force_pid_filter_usage=1
> > >> 
> > >> I change the signal timeout and tuning timeout and now it works perfect!
> > >> 
> > >> I can watch two HD channels, thanks for your help.
> > >> 
> > >> I really don't understand what force_pid_filter_usage do on the
> > >> module, is there any documentation?
> > >> 
> > >> Thanks and best regards.
> > > 
> > > For usb devices with usb 2.0 when tunned to a channel there is enought
> > > usb bandwith to deliver the whole transponder. With pid filters they
> > > only deliver the pids needed for the channel. The only limit is that the
> > > pid filters is limited normaly to 32 pids.
> > 
> > May I ask how wide DVB-T streams you have? Here in Finland it is about
> > 22 Mbit/sec and I think two such streams should be too much for one USB
> > bus. I suspect there is some other bug in back of this.
> > 
> > regards
> > Antti
> 
> Here the transport stream is like yours. About 4 Mbit/sec by channel, and 
> about 5 channels by transport stream. The problem I have is that when I have 
> the two tuners working I have a few packets lost, and I have some TS 
> discontinuitys. With pid filters the stream is perfect. Perhaps Josu have 
> another problem.

I am certain it is the configuration of the second frontend that ripples
through Afatech devices.

I have only got a single AF9015 device so can't test the dual
configuration.

Does the same problems exist when running the second frontend solo or
dual with the Windows driver?

With the IT1937(aka AF9035) the second frontend appeared not to work at
all in Windows in dual mode.

tvboxspy

Re: Afatech AF9013

[Josu Lazkano]

2011/8/17 Jose Alberto Reguero <jareguero@telefonica.net>:
> On Martes, 16 de Agosto de 2011 22:57:24 Antti Palosaari escribió:
>> On 08/16/2011 11:27 PM, Jose Alberto Reguero wrote:
>> >> options dvb-usb force_pid_filter_usage=1
>> >>
>> >> I change the signal timeout and tuning timeout and now it works perfect!
>> >>
>> >> I can watch two HD channels, thanks for your help.
>> >>
>> >> I really don't understand what force_pid_filter_usage do on the
>> >> module, is there any documentation?
>> >>
>> >> Thanks and best regards.
>> >
>> > For usb devices with usb 2.0 when tunned to a channel there is enought
>> > usb bandwith to deliver the whole transponder. With pid filters they
>> > only deliver the pids needed for the channel. The only limit is that the
>> > pid filters is limited normaly to 32 pids.
>>
>> May I ask how wide DVB-T streams you have? Here in Finland it is about
>> 22 Mbit/sec and I think two such streams should be too much for one USB
>> bus. I suspect there is some other bug in back of this.
>>
>> regards
>> Antti
>
> Here the transport stream is like yours. About 4 Mbit/sec by channel, and
> about 5 channels by transport stream. The problem I have is that when I have
> the two tuners working I have a few packets lost, and I have some TS
> discontinuitys. With pid filters the stream is perfect. Perhaps Josu have
> another problem.
>
> Jose Alberto
>

Thanks both!

I don't know how wide is the stream, but it could be a USB wide
limitation. My board is a little ION based and I have some USB
devices:

$ lsusb
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 006: ID 0a12:0001 Cambridge Silicon Radio, Ltd
Bluetooth Dongle (HCI mode)
Bus 002 Device 005: ID 04fc:05d8 Sunplus Technology Co., Ltd Wireless
keyboard/mouse
Bus 002 Device 004: ID 0471:0815 Philips (or NXP) eHome Infrared Receiver
Bus 002 Device 003: ID 9022:d660 TeVii Technology Ltd. DVB-S2 S660
Bus 002 Device 002: ID 05e3:0606 Genesys Logic, Inc. USB 2.0 Hub /
D-Link DUB-H4 USB 2.0 Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 1b80:e399 Afatech
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

The problematic twin device is the "Afatech" one, there is an DVB-S2
USB tuner, a bluetooth dongle, a IR receiver and a wireless
mouse/keybord receiver.

Now I am at work, I will try to disconnect all devices and try with
just the DVB-T device.

I use to try with MythTV if it works or not. Is there any other tool
to test and debug more deep about USB or DVB wide?

I apreciate your help. Thanks and best regards.

-- 
Josu Lazkano

Re: Afatech AF9013

[Jose Alberto Reguero]

On Martes, 16 de Agosto de 2011 22:57:24 Antti Palosaari escribió:
> On 08/16/2011 11:27 PM, Jose Alberto Reguero wrote:
> >> options dvb-usb force_pid_filter_usage=1
> >> 
> >> I change the signal timeout and tuning timeout and now it works perfect!
> >> 
> >> I can watch two HD channels, thanks for your help.
> >> 
> >> I really don't understand what force_pid_filter_usage do on the
> >> module, is there any documentation?
> >> 
> >> Thanks and best regards.
> > 
> > For usb devices with usb 2.0 when tunned to a channel there is enought
> > usb bandwith to deliver the whole transponder. With pid filters they
> > only deliver the pids needed for the channel. The only limit is that the
> > pid filters is limited normaly to 32 pids.
> 
> May I ask how wide DVB-T streams you have? Here in Finland it is about
> 22 Mbit/sec and I think two such streams should be too much for one USB
> bus. I suspect there is some other bug in back of this.
> 
> regards
> Antti

Here the transport stream is like yours. About 4 Mbit/sec by channel, and 
about 5 channels by transport stream. The problem I have is that when I have 
the two tuners working I have a few packets lost, and I have some TS 
discontinuitys. With pid filters the stream is perfect. Perhaps Josu have 
another problem.

Jose Alberto

Re: Afatech AF9013

[Antti Palosaari]

On 08/16/2011 11:27 PM, Jose Alberto Reguero wrote:
>> options dvb-usb force_pid_filter_usage=1
>>
>> I change the signal timeout and tuning timeout and now it works perfect!
>>
>> I can watch two HD channels, thanks for your help.
>>
>> I really don't understand what force_pid_filter_usage do on the
>> module, is there any documentation?
>>
>> Thanks and best regards.
>>
> 
> For usb devices with usb 2.0 when tunned to a channel there is enought usb 
> bandwith to deliver the whole transponder. With pid filters they only deliver 
> the pids needed for the channel. The only limit is that the pid filters is 
> limited normaly to 32 pids.

May I ask how wide DVB-T streams you have? Here in Finland it is about
22 Mbit/sec and I think two such streams should be too much for one USB
bus. I suspect there is some other bug in back of this.

regards
Antti

-- 
http://palosaari.fi/

Re: Afatech AF9013

[Jose Alberto Reguero]

On Martes, 16 de Agosto de 2011 18:37:49 Josu Lazkano escribió:
> Thanks again, I edit /etc/modprobe.d/options.conf
> 
> options dvb_usb_af9015 adapter_nr=4,5
> options dvb-usb disable_rc_polling=1
> options dvb-usb force_pid_filter_usage=1
> 
> I change the signal timeout and tuning timeout and now it works perfect!
> 
> I can watch two HD channels, thanks for your help.
> 
> I really don't understand what force_pid_filter_usage do on the
> module, is there any documentation?
> 
> Thanks and best regards.
> 

For usb devices with usb 2.0 when tunned to a channel there is enought usb 
bandwith to deliver the whole transponder. With pid filters they only deliver 
the pids needed for the channel. The only limit is that the pid filters is 
limited normaly to 32 pids.

Jose Alberto

> 2011/8/16 Jose Alberto Reguero <jareguero@telefonica.net>:
> > On Martes, 16 de Agosto de 2011 00:22:05 Josu Lazkano escribió:
> >> 2011/8/16 Jose Alberto Reguero <jareguero@telefonica.net>:
> >> > I have problems with a dual usb tuner. I limit the bandwith using pid
> >> > filters and the problem was gone.
> >> > 
> >> > Jose alberto
> >> > 
> >> > On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribió:
> >> >> Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick
> >> >> (DVB-T 399U):
> >> >> http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_
> >> >> (DV B- T_399U)
> >> >> 
> >> >> I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual
> >> >> device, sometimes the second adapter works great, but sometimes has a
> >> >> pixeled images. The first adapter always has pixeled images, I don't
> >> >> know how to describe the pixeled images, so here is a mobile record:
> >> >> http://dl.dropbox.com/u/1541853/kworld.3gp
> >> >> 
> >> >> I have this firmware:
> >> >> http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9
> >> >> 015 .fw
> >> >> 
> >> >> I read on the linuxtv wiki and there are some problems with dual
> >> >> mode, there is some links for how to patch the similar driver
> >> >> (Afatech/ITE IT9135), but I am not good enough to understand the
> >> >> code.
> >> >> 
> >> >> I check the kernel messages:
> >> >> 
> >> >> Aug 15 13:53:58 htpc kernel: [ 516.285369] af9013: I2C read failed
> >> >> reg:d2e6 Aug 15 13:54:29 htpc kernel: [  547.407504] af9013: I2C read
> >> >> failed reg:d330 Aug 15 13:54:44 htpc kernel: [  561.902710] af9013:
> >> >> I2C read failed reg:d2e6
> >> >> 
> >> >> It looks I2C problem, but I don't know how to debug it deeper.
> >> >> 
> >> >> I don't know if this is important, but I compile the s2-liplianin for
> >> >> other devices this way:
> >> >> 
> >> >> apt-get install linux-headers-`uname -r` build-essential
> >> >> mkdir /usr/local/src/dvb
> >> >> cd /usr/local/src/dvb
> >> >> wget
> >> >> http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip
> >> >> unzip s2-liplianin-0b7d3cc65161.zip
> >> >> cd s2-liplianin-0b7d3cc65161
> >> >> make CONFIG_DVB_FIREDTV:=n
> >> >> make install
> >> >> 
> >> >> Can you help with this? This hardware is a very cheap and works well
> >> >> for HD channels but, I don't know why sometimes has pixeled images.
> >> >> 
> >> >> Thanks for your help, best regards.
> >> 
> >> Thanks Jose Alberto, I search on google for pid filters but I don't
> >> find any interesting info.
> >> 
> >> How can I limit bandwidth on dvb?
> >> 
> >> Thanks for your help, I have two dual devices waiting for this fix on my
> >> HTPC.
> >> 
> >> Best regards.
> > 
> > If  the driver has pid filters you can enable it with the parameter
> > force_pid_filter_usage=1 of dvb-usb.
> > 
> > Jose Alberto

Re: Afatech AF9013

[Josu Lazkano]

Thanks again, I edit /etc/modprobe.d/options.conf

options dvb_usb_af9015 adapter_nr=4,5
options dvb-usb disable_rc_polling=1
options dvb-usb force_pid_filter_usage=1

I change the signal timeout and tuning timeout and now it works perfect!

I can watch two HD channels, thanks for your help.

I really don't understand what force_pid_filter_usage do on the
module, is there any documentation?

Thanks and best regards.

2011/8/16 Jose Alberto Reguero <jareguero@telefonica.net>:
> On Martes, 16 de Agosto de 2011 00:22:05 Josu Lazkano escribió:
>> 2011/8/16 Jose Alberto Reguero <jareguero@telefonica.net>:
>> > I have problems with a dual usb tuner. I limit the bandwith using pid
>> > filters and the problem was gone.
>> >
>> > Jose alberto
>> >
>> > On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribió:
>> >> Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T
>> >> 399U):
>> >> http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DV
>> >> B- T_399U)
>> >>
>> >> I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual
>> >> device, sometimes the second adapter works great, but sometimes has a
>> >> pixeled images. The first adapter always has pixeled images, I don't
>> >> know how to describe the pixeled images, so here is a mobile record:
>> >> http://dl.dropbox.com/u/1541853/kworld.3gp
>> >>
>> >> I have this firmware:
>> >> http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015
>> >> .fw
>> >>
>> >> I read on the linuxtv wiki and there are some problems with dual mode,
>> >> there is some links for how to patch the similar driver (Afatech/ITE
>> >> IT9135), but I am not good enough to understand the code.
>> >>
>> >> I check the kernel messages:
>> >>
>> >> Aug 15 13:53:58 htpc kernel: [ 516.285369] af9013: I2C read failed
>> >> reg:d2e6 Aug 15 13:54:29 htpc kernel: [  547.407504] af9013: I2C read
>> >> failed reg:d330 Aug 15 13:54:44 htpc kernel: [  561.902710] af9013: I2C
>> >> read failed reg:d2e6
>> >>
>> >> It looks I2C problem, but I don't know how to debug it deeper.
>> >>
>> >> I don't know if this is important, but I compile the s2-liplianin for
>> >> other devices this way:
>> >>
>> >> apt-get install linux-headers-`uname -r` build-essential
>> >> mkdir /usr/local/src/dvb
>> >> cd /usr/local/src/dvb
>> >> wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip
>> >> unzip s2-liplianin-0b7d3cc65161.zip
>> >> cd s2-liplianin-0b7d3cc65161
>> >> make CONFIG_DVB_FIREDTV:=n
>> >> make install
>> >>
>> >> Can you help with this? This hardware is a very cheap and works well
>> >> for HD channels but, I don't know why sometimes has pixeled images.
>> >>
>> >> Thanks for your help, best regards.
>>
>> Thanks Jose Alberto, I search on google for pid filters but I don't
>> find any interesting info.
>>
>> How can I limit bandwidth on dvb?
>>
>> Thanks for your help, I have two dual devices waiting for this fix on my
>> HTPC.
>>
>> Best regards.
>
> If  the driver has pid filters you can enable it with the parameter
> force_pid_filter_usage=1 of dvb-usb.
>
> Jose Alberto
>



-- 
Josu Lazkano

Re: Afatech AF9013

[Jose Alberto Reguero]

On Martes, 16 de Agosto de 2011 00:22:05 Josu Lazkano escribió:
> 2011/8/16 Jose Alberto Reguero <jareguero@telefonica.net>:
> > I have problems with a dual usb tuner. I limit the bandwith using pid
> > filters and the problem was gone.
> > 
> > Jose alberto
> > 
> > On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribió:
> >> Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T
> >> 399U):
> >> http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DV
> >> B- T_399U)
> >> 
> >> I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual
> >> device, sometimes the second adapter works great, but sometimes has a
> >> pixeled images. The first adapter always has pixeled images, I don't
> >> know how to describe the pixeled images, so here is a mobile record:
> >> http://dl.dropbox.com/u/1541853/kworld.3gp
> >> 
> >> I have this firmware:
> >> http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015
> >> .fw
> >> 
> >> I read on the linuxtv wiki and there are some problems with dual mode,
> >> there is some links for how to patch the similar driver (Afatech/ITE
> >> IT9135), but I am not good enough to understand the code.
> >> 
> >> I check the kernel messages:
> >> 
> >> Aug 15 13:53:58 htpc kernel: [ 516.285369] af9013: I2C read failed
> >> reg:d2e6 Aug 15 13:54:29 htpc kernel: [  547.407504] af9013: I2C read
> >> failed reg:d330 Aug 15 13:54:44 htpc kernel: [  561.902710] af9013: I2C
> >> read failed reg:d2e6
> >> 
> >> It looks I2C problem, but I don't know how to debug it deeper.
> >> 
> >> I don't know if this is important, but I compile the s2-liplianin for
> >> other devices this way:
> >> 
> >> apt-get install linux-headers-`uname -r` build-essential
> >> mkdir /usr/local/src/dvb
> >> cd /usr/local/src/dvb
> >> wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip
> >> unzip s2-liplianin-0b7d3cc65161.zip
> >> cd s2-liplianin-0b7d3cc65161
> >> make CONFIG_DVB_FIREDTV:=n
> >> make install
> >> 
> >> Can you help with this? This hardware is a very cheap and works well
> >> for HD channels but, I don't know why sometimes has pixeled images.
> >> 
> >> Thanks for your help, best regards.
> 
> Thanks Jose Alberto, I search on google for pid filters but I don't
> find any interesting info.
> 
> How can I limit bandwidth on dvb?
> 
> Thanks for your help, I have two dual devices waiting for this fix on my
> HTPC.
> 
> Best regards.

If  the driver has pid filters you can enable it with the parameter 
force_pid_filter_usage=1 of dvb-usb.

Jose Alberto

Re: Afatech AF9013

[Josu Lazkano]

2011/8/16 Jose Alberto Reguero <jareguero@telefonica.net>:
> I have problems with a dual usb tuner. I limit the bandwith using pid filters
> and the problem was gone.
>
> Jose alberto
>
> On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribió:
>> Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T
>> 399U):
>> http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DVB-
>> T_399U)
>>
>> I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual
>> device, sometimes the second adapter works great, but sometimes has a
>> pixeled images. The first adapter always has pixeled images, I don't
>> know how to describe the pixeled images, so here is a mobile record:
>> http://dl.dropbox.com/u/1541853/kworld.3gp
>>
>> I have this firmware:
>> http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015.fw
>>
>> I read on the linuxtv wiki and there are some problems with dual mode,
>> there is some links for how to patch the similar driver (Afatech/ITE
>> IT9135), but I am not good enough to understand the code.
>>
>> I check the kernel messages:
>>
>> Aug 15 13:53:58 htpc kernel: [ 516.285369] af9013: I2C read failed
>> reg:d2e6 Aug 15 13:54:29 htpc kernel: [  547.407504] af9013: I2C read
>> failed reg:d330 Aug 15 13:54:44 htpc kernel: [  561.902710] af9013: I2C
>> read failed reg:d2e6
>>
>> It looks I2C problem, but I don't know how to debug it deeper.
>>
>> I don't know if this is important, but I compile the s2-liplianin for
>> other devices this way:
>>
>> apt-get install linux-headers-`uname -r` build-essential
>> mkdir /usr/local/src/dvb
>> cd /usr/local/src/dvb
>> wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip
>> unzip s2-liplianin-0b7d3cc65161.zip
>> cd s2-liplianin-0b7d3cc65161
>> make CONFIG_DVB_FIREDTV:=n
>> make install
>>
>> Can you help with this? This hardware is a very cheap and works well
>> for HD channels but, I don't know why sometimes has pixeled images.
>>
>> Thanks for your help, best regards.
>

Thanks Jose Alberto, I search on google for pid filters but I don't
find any interesting info.

How can I limit bandwidth on dvb?

Thanks for your help, I have two dual devices waiting for this fix on my HTPC.

Best regards.

-- 
Josu Lazkano

Re: Afatech AF9013

[Jose Alberto Reguero]

I have problems with a dual usb tuner. I limit the bandwith using pid filters 
and the problem was gone.

Jose alberto

On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribió:
> Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T
> 399U):
> http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DVB-
> T_399U)
> 
> I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual
> device, sometimes the second adapter works great, but sometimes has a
> pixeled images. The first adapter always has pixeled images, I don't
> know how to describe the pixeled images, so here is a mobile record:
> http://dl.dropbox.com/u/1541853/kworld.3gp
> 
> I have this firmware:
> http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015.fw
> 
> I read on the linuxtv wiki and there are some problems with dual mode,
> there is some links for how to patch the similar driver (Afatech/ITE
> IT9135), but I am not good enough to understand the code.
> 
> I check the kernel messages:
> 
> Aug 15 13:53:58 htpc kernel: [  516.285369] af9013: I2C read failed
> reg:d2e6 Aug 15 13:54:29 htpc kernel: [  547.407504] af9013: I2C read
> failed reg:d330 Aug 15 13:54:44 htpc kernel: [  561.902710] af9013: I2C
> read failed reg:d2e6
> 
> It looks I2C problem, but I don't know how to debug it deeper.
> 
> I don't know if this is important, but I compile the s2-liplianin for
> other devices this way:
> 
> apt-get install linux-headers-`uname -r` build-essential
> mkdir /usr/local/src/dvb
> cd /usr/local/src/dvb
> wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip
> unzip s2-liplianin-0b7d3cc65161.zip
> cd s2-liplianin-0b7d3cc65161
> make CONFIG_DVB_FIREDTV:=n
> make install
> 
> Can you help with this? This hardware is a very cheap and works well
> for HD channels but, I don't know why sometimes has pixeled images.
> 
> Thanks for your help, best regards.

Afatech AF9013

[Josu Lazkano]

Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-T
399U): http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_(DVB-T_399U)

I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual
device, sometimes the second adapter works great, but sometimes has a
pixeled images. The first adapter always has pixeled images, I don't
know how to describe the pixeled images, so here is a mobile record:
http://dl.dropbox.com/u/1541853/kworld.3gp

I have this firmware:
http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9015.fw

I read on the linuxtv wiki and there are some problems with dual mode,
there is some links for how to patch the similar driver (Afatech/ITE
IT9135), but I am not good enough to understand the code.

I check the kernel messages:

Aug 15 13:53:58 htpc kernel: [  516.285369] af9013: I2C read failed reg:d2e6
Aug 15 13:54:29 htpc kernel: [  547.407504] af9013: I2C read failed reg:d330
Aug 15 13:54:44 htpc kernel: [  561.902710] af9013: I2C read failed reg:d2e6

It looks I2C problem, but I don't know how to debug it deeper.

I don't know if this is important, but I compile the s2-liplianin for
other devices this way:

apt-get install linux-headers-`uname -r` build-essential
mkdir /usr/local/src/dvb
cd /usr/local/src/dvb
wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zip
unzip s2-liplianin-0b7d3cc65161.zip
cd s2-liplianin-0b7d3cc65161
make CONFIG_DVB_FIREDTV:=n
make install

Can you help with this? This hardware is a very cheap and works well
for HD channels but, I don't know why sometimes has pixeled images.

Thanks for your help, best regards.

-- 
Josu Lazkano