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Dual recording with 2 usb tuners

 
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Dual recording with 2 usb tuners
erik123
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#1
2023-02-17, 03:07 PM (This post was last modified: 2023-02-20, 08:28 PM by erik123.)
I recently added a second usb tuner with separate antenna to optimize the signal for a few hard to tune channels on my main antenna. When I record on my main tuner and try to watch on the second tuner, I get a message that the second tuner cannot be found. I am however able to watch the second tuner channels if I don’t watch/record on the main tuner. Logs are attached - time of issue is around 17:20 on 2/16.
mvallevand
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#2
2023-02-17, 03:21 PM (This post was last modified: 2023-02-17, 03:21 PM by mvallevand.)
First a few housekeeping things

- modify you postprocessing.bat file to redirect output to NUL
- a lot of your advanced rules are bad and need to be redone.

For the tuner it isn't working at the device level.

2023-02-16 17:11:58.230 [DEBUG][4] Failed to start device: 0x800705aa

Maybe try a reboot and if it still fails check if the software that came with it works. Also maybe zip the output from this app https://github.com/sub3/NextPVR/wiki/FilterCheck and attach it.

Martin
erik123
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#3
2023-02-17, 05:06 PM
Thanks. Attached is the filter check. The tuner that is failing to start when it is watch/recording at the same time as the main tuner is watch/recording is "Digital TV".
mvallevand
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#4
2023-02-17, 05:08 PM
Did you remember to zip the attachment?

Martin
erik123
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#5
2023-02-17, 05:14 PM (This post was last modified: 2023-02-17, 05:16 PM by erik123.)
Zipped filter log attached.


Attached Files
.zip   FilterCheck (2).zip (Size: 911 bytes / Downloads: 3)
mvallevand
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#6
2023-02-17, 05:43 PM
Thanks, at this point sub needs to look.

Martin
sub
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#7
2023-02-19, 04:23 PM
It looks like it's an unfortunate choice of tuners, that use the same reference drivers, and the manufacturer(s) cut corners and didn't update them to give them a unique "pin medium" identifier.

The numbers highlighted below should be unique for each device.

Quote:12:00:37.110 INFO Checking KSCATEGORY_BDA_NETWORK_TUNER filters
12:00:37.116 INFO found: Conexant Polaris BDA Tuner
12:00:37.116 INFO - (input) Input0
12:00:37.116 INFO [00000000-0000-0000-0000000000000000]-00000000-00000000
12:00:37.116 INFO
12:00:37.116 INFO - (output) MPEG2 Transport
12:00:37.116 INFO [b4a73059-7e20-4459-b360788fea2605d7]-00000001-00000000
12:00:37.116 INFO
12:00:37.116 INFO
...snip...
12:00:37.116 INFO found: Digital TV
12:00:37.116 INFO - (input) Input0
12:00:37.116 INFO [00000000-0000-0000-0000000000000000]-00000000-00000000
12:00:37.116 INFO
12:00:37.116 INFO - (output) MPEG2 Transport
12:00:37.116 INFO [b4a73059-7e20-4459-b360788fea2605d7]-00000001-00000000
sub
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#8
2023-02-19, 04:29 PM
You could see if this updated file helps. It tries to work around the issue.


Attached Files
.zip   Unmanaged.zip (Size: 311.24 KB / Downloads: 3)
erik123
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#9
2023-02-20, 08:28 PM
Thanks! The new DLL file solved the problem.
sub
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#10
2023-02-20, 09:02 PM
Great!
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