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Author Topic: DVB-T problems in the Netherlands similar to France - please help  (Read 4373 times)

lippe007

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DVB-T problems in the Netherlands similar to France - please help
« on: September 18, 2009, 04:27:53 pm »

I have similar problems as described in this thread: http://yabb.jriver.com/interact/index.php?topic=51731.0
I have loaded the Germany profile and after a scan I've got all tV channels loaded.
However when I select a channel and want to play, I get  a black screen and no sound.
The tuner works OK with MCE 2005 and Sceneo 4.1., so there shouldn't be a problem there.
Could you please tell me what you have advised in this particular case as I can't read it from the referred thread.
I'd like to switch to MC, but a working TV is essential as you will understand
Thanks a lot

Frank

settings:
FireDTV tuner, intervideo9 audio/video, VMR9. XP SP 2
KSCATEGORY_BDA_NETWORK_TUNER filters

    FireDTV BDA Tuner DVBT
    @device:pnp:\\?\avc#digital_everywhere&firedtv_c#ci&typ_5&id_0#f104002600871200#{71985f48-1ca1-11d3-9cc8-00c04f7971e0}\{db365890-165f-11d0-a195-0020afd156e4}
        Input Pin 'Input0'
        Output Pin 'MPEG2-transport'


KSCATEGORY_BDA_RECEIVER_COMPONENT filters

    FireDTV BDA Receiver DVBT
    @device:pnp:\\?\avc#digital_everywhere&firedtv_c#ci&typ_5&id_0#f104002600871200#{fd0a5af4-b41d-11d2-9c95-00c04f7971e0}\{cb365890-165f-11d0-a195-0020afd156e4}
        Input Pin 'Input0'
        Output Pin 'Vastleggen'

    BDA Slip De-Framer
    @device:pnp:\\?\root#system#0000#{fd0a5af4-b41d-11d2-9c95-00c04f7971e0}\{03884cb6-e89a-4deb-b69e-8dc621686e6a}&global
        Input Pin 'NABTS'
        Output Pin 'IPv4'

    BDA MPE-filter
    @device:pnp:\\?\root#system#0000#{fd0a5af4-b41d-11d2-9c95-00c04f7971e0}\{8e60217d-a2ee-47f8-b0c5-0f44c55f66dc}&global
        Input Pin 'MPE'
        Output Pin 'IPv4'


AM_KSCATEGORY_CAPTURE filters

    Realtek HD Digital input
    @device:pnp:\\?\hdaudio#func_01&ven_10ec&dev_0880&subsys_1462e603&rev_1008#4&35cbe07c&0&0301#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\digitalinputwave
        Output Pin 'Vastleggen'
        Input Pin 'Input1'

    Realtek HD Audio Input
    @device:pnp:\\?\hdaudio#func_01&ven_10ec&dev_0880&subsys_1462e603&rev_1008#4&35cbe07c&0&0301#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\rearlineinwave3
        Output Pin 'Opnameregeling'
        Input Pin 'Input1'


KSCATEGORY_ENCODER filters


KSCATEGORY_MULTIPLEXER filters


AM_KSCATEGORY_CROSSBAR filters


AM_KSCATEGORY_TVTUNER filters


AM_KSCATEGORY_TVAUDIO filters


AM_KSCATEGORY_VBICODEC filters

    NABTS/FEC VBI Codec
    @device:pnp:\\?\root#system#0000#{07dad660-22f1-11d1-a9f4-00c04fbbde8f}\{07dad662-22f1-11d1-a9f4-00c04fbbde8f}&global
        Input Pin 'VBI'
        Output Pin 'NABTS'
        Input Pin 'HWNABTS'

    CC-decoder
    @device:pnp:\\?\root#system#0000#{07dad660-22f1-11d1-a9f4-00c04fbbde8f}\{562370a8-f8dd-11d2-bc64-00a0c95ec22e}&global
        Input Pin 'VBI'
        Output Pin 'CC'
        Input Pin 'HWCC'

    WST-codec
    @device:pnp:\\?\root#system#0000#{07dad660-22f1-11d1-a9f4-00c04fbbde8f}\{70bc06e0-5666-11d3-a184-00105aef9f33}&global
        Input Pin 'VBI'
        Output Pin 'Teletekst'


MPEG2 Multiplexer filters

    ATI MPEG Multiplexer
    @device:sw:{083863F1-70DE-11D0-BD40-00A0C911CE86}\{7A10E1E1-F430-11D2-8E75-00104B93CF06}
        Input Pin 'Audio In'
        Input Pin 'Video In'
        Output Pin 'Output'


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Yaobing

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #1 on: September 18, 2009, 06:08:16 pm »

Could you please tell me what you have advised in this particular case as I can't read it from the referred thread.

All my suggestions were in that thread.  What actually solved the problem was a bug fix.  Since the bug was fixed, your problem would be a different one, but some of the suggestions I made in that thread may still be useful.

Here are some things to consider:

-  Do you know if the frequencies used in the Netherlands are the same as those used in Germany?  The answer is likely yes, but you have to make sure.  If they are not the same, you need to find the frequencies of your country and add them to the frequency table file - "DVB Frequencies.xml".

- Try changing video decoder, video renderer, audio decoder etc.

If you still can not get it to work, email me a log.  yaobing at jriver dot com
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lippe007

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #2 on: September 19, 2009, 02:54:31 am »

The frequencies  are not exactly the same as in the Netherlands but most of the channels are being found by the scanner
Í have modified the file for the Netherlands, and got all channels that are there.
The scanning seems to be OK as well as the selection of channels, viewing the streams is the problem.
I'll try the various tips you gave in the French thread and make a log file

thanks so far

Frank
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Yaobing

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #3 on: September 21, 2009, 08:17:25 am »

Just to let you know that I received your log file.  Unfortunately it will be a few days before I can look at it.
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lippe007

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #4 on: October 08, 2009, 12:00:29 pm »

Yaobing,
any news?
my license expires in 9 days from now.

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Yaobing

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #5 on: October 09, 2009, 11:12:18 am »

Sorry about the delay.

Your log file shows something confusing.  MC seemed to be trying to record channel "Nederland 1" which never seemed to succeed.  Then you tried to play "Nederland 2".  MC built a DirectShow graph to capture audio video streams to disk, but the tuner never produced anything to be written to disk.

The tuner failed to tune to a valid channel.

I noticed one thing that does not look right.  In your "Nederland 2" channel, the bandwidth value is 0.  It should be either 7 or 8.

Did you create a frequency table for your country in "DVB Frequencies.xml"?  If not your should create one, with correct CountryCode (should be 31 for the Netherlands), correct bandwidth (notice that both 7 and 8 are used for Germany, is it also the case for the Netherlands?), and correct frequency values.

You can try rescanning the channels.  After that you can examine the channels by going to "Edit Channel List..." on "TV Options..." button.  Do they all have Bandwidth 0?

You can try changing the Bandwidth value manually and see if it makes any difference.
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lippe007

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #6 on: October 10, 2009, 05:52:36 am »

Good news  :) and bad news. :(
I'am almost there I think.
I don't know  why the bandwidth parameter is not filled in during scanning, they are available in the XML file, in the country line and on each line in the frequency table. As a by-pass, I've created copies of some channels, in which I've added network id and bandwidth.
The free channels do provide a stream now  :) but, ...
the others do not. :(

I have sent you a log file, maybe you can give me another hint.


Frank
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Yaobing

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #7 on: October 10, 2009, 08:22:14 am »

By "others" do you mean encrypted channels?  If a channel is encrypted, it likely will not work. Over here all over-the-air TV channels are free. I do not know if we can do anything about encrypted channels.

Did you say Network ID as well as Bandwidth are missing from scanned channel data? That is bad. The frequency table only provides frequency and bandwidth. We expect to get Network ID from the stream during scanning. I can fix the bandwidth by copying them from the table. There are four possibilities for Network ID:

1. The TV stations did not broadcast them when they should. This is not likely, and I can not do anything.
2. They use modified standard in your country. This is possible, and if I can figure out what they do in your country, I may be able to fix it. I have no info for now.
3. There is a bug in my code. This is not impossible, but is not likely since it works well in Australia, UK, and other countries.
4. Your device driver has bug. You can try updating the driver.

If you could try re-scanning all channels, and send me another log, I will figure out what goes on with bandwidth (maybe even network id, who knows), and make a fix.
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lippe007

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #8 on: October 14, 2009, 03:26:58 pm »

We're nearly there, All free-to-air channnels can be  selected.
The encrypted ones cannot, a;though the last  channel that was  selected by MCE 2005 or DVB viewer, can be selected by MC  as if this was a free-to-air channel after those applications have been shut down and released the tuner. It appears that these tools unlock the door (sad enough only 1 at a time).
This must be solvable as MCE 2005, Sceneo TvCentral and DVB viewer can hook-up to this tuner for both encrypted as well as free channels.
I would guess that there is a small tuner interface problem here, to trigger the alphacrypt module.
Who can help me with the last bit?

Thanks

Frank
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Yaobing

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #9 on: October 14, 2009, 10:51:42 pm »

Sorry, I just don't quite understand how encrypted channels work.  Aren't you supposed to have a hardware "key" to receive these?
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lippe007

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #10 on: October 15, 2009, 12:20:26 pm »

The handling is completely handled within the tuner, through a special CAM module which is integrated in the device. This module does the tough work using the chip card. As far as I know, the mediacenter doesn't have to bother about this technology.
In my case the tuner scans all channels, encrypted or not. I can select all  channels with the MC but don't get  a stream for the encrypted ones. But if the encrypted channel was selected by MCE of DVBViewer before starting JMRC, it will generate a stream to the MC, in other words, the door has been opened by MCE en we can enter with JMRC. Only one door is open at a time unfortunately.

My conclusion so far is that the interface between MC and tuner is different for encrypted and free-to-air channels but that you don't have to pass-on specific information. MCE 2005 and DVB viewer are capable of handling this, MC unfortunately not apparently.

I am  using the same device and drivers for MCE, DVBViewer and MC, so:
1) it must be possible
2) the problem can be solved on the JMRC side.
I'm not an expert, but could we log device interface traffic when connected with different mc's and compare the three

thanks

Frank
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lippe007

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Re: DVB-T problems in the Netherlands similar to France - please help
« Reply #11 on: October 18, 2009, 04:04:28 pm »

It is sad one cannot use MC for encrypted channels.
For me this was THE show stopper.
Although I like the JMRC very much, especially for its iPhone compatibility, I need to go for an alternative solution now.

Thanks for your support

Frank
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