Mailing List Archive

Determining which tuner card for a recording after it is recorded
Some body on this list very helpfully suggested a way to query the
database to determine which tuner recorded a particular recording. To my
embarrassment I cannot find the message.

Can anybody help? I have two tuners, one of which I suspect is a lot
better than the other. I need to discern which is recording what.

The tuners I have are:
2040:c000 Hauppauge Windham
2040:7070 Hauppauge Nova-T Stick 3



--
Why is the legal status of chardonnay different to that of cannabis?
worik.stanton@gmail.com 021-1680650, (03) 4821804
Aotearoa (New Zealand)
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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On 07/09/15 10:07, worik wrote:
> Some body on this list very helpfully suggested a way to query the
> database to determine which tuner recorded a particular recording. To my
> embarrassment I cannot find the message.
>
> Can anybody help? I have two tuners, one of which I suspect is a lot
> better than the other. I need to discern which is recording what.
>
> The tuners I have are:
> 2040:c000 Hauppauge Windham
> 2040:7070 Hauppauge Nova-T Stick 3
>
>
>

I would do something like this:

cat /var/log/mythtv/mythbackend.log | grep HandleRecordingStatusChange

Tony Sauri

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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On 07/09/15 11:03, Tony Sauri wrote:
>> Some body on this list very helpfully suggested a way to query the
>> > database to determine which tuner recorded a particular recording. To my
>> > embarrassment I cannot find the message.
>> >
>> > Can anybody help? I have two tuners, one of which I suspect is a lot
>> > better than the other. I need to discern which is recording what.

[snip]
>> >
> I would do something like this:
>
> cat /var/log/mythtv/mythbackend.log | grep HandleRecordingStatusChange
>

Thank you. Obvious! A really good start.

I have "cardid 1, sourceid 1" and "cardid 2, sourceid 1" and "cardid 4,
sourceid 1".

cat /var/log/mythtv/mythbackend.log | grep
HandleRecordingStatusChange|perl -e 'while(<>){s/^.+(cardid \d.+)/$1/;
print }'|sort|uniq -c
117 cardid 1, sourceid 1
23 cardid 2, sourceid 1
44 cardid 4, sourceid 1


Odd, as I have two tuners:

$ ls /dev/dvb/
adapter0 adapter1


The backend status on MythWEB reports for encoder status:

Encoder 1 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
is recording '3 News' on TV3. This recording is scheduled to end at
12:30 PM.
Encoder 2 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
is not recording.
Encoder 4 [ DVB : /dev/dvb/adapter1/frontend0 ] is local on backend and
is not recording.

Does this indicates that adapter0 has two tuners and adapter1 has 1?

And how do I match these with the information from lsusb?

$ lsusb|grep 2040
Bus 001 Device 005: ID 2040:c000 Hauppauge Windham
Bus 001 Device 004: ID 2040:7070 Hauppauge Nova-T Stick 3

cheers
Worik



--
Why is the legal status of chardonnay different to that of cannabis?
worik.stanton@gmail.com 021-1680650, (03) 4821804
Aotearoa (New Zealand)
I voted for love

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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On Mon, Sep 7, 2015 at 12:20 PM, worik <worik.stanton@gmail.com> wrote:

> On 07/09/15 11:03, Tony Sauri wrote:
> >> Some body on this list very helpfully suggested a way to query the
> >> > database to determine which tuner recorded a particular recording. To
> my
> >> > embarrassment I cannot find the message.
> >> >
> >> > Can anybody help? I have two tuners, one of which I suspect is a lot
> >> > better than the other. I need to discern which is recording what.
>
> [snip]
> >> >
> > I would do something like this:
> >
> > cat /var/log/mythtv/mythbackend.log | grep HandleRecordingStatusChange
> >
>
> Thank you. Obvious! A really good start.
>
> I have "cardid 1, sourceid 1" and "cardid 2, sourceid 1" and "cardid 4,
> sourceid 1".
>
> cat /var/log/mythtv/mythbackend.log | grep
> HandleRecordingStatusChange|perl -e 'while(<>){s/^.+(cardid \d.+)/$1/;
> print }'|sort|uniq -c
> 117 cardid 1, sourceid 1
> 23 cardid 2, sourceid 1
> 44 cardid 4, sourceid 1
>
>
> Odd, as I have two tuners:
>
> $ ls /dev/dvb/
> adapter0 adapter1
>
>
> The backend status on MythWEB reports for encoder status:
>
> Encoder 1 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
> is recording '3 News' on TV3. This recording is scheduled to end at
> 12:30 PM.
> Encoder 2 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
> is not recording.
> Encoder 4 [ DVB : /dev/dvb/adapter1/frontend0 ] is local on backend and
> is not recording.
>
> Does this indicates that adapter0 has two tuners and adapter1 has 1?
>
> And how do I match these with the information from lsusb?
>
> $ lsusb|grep 2040
> Bus 001 Device 005: ID 2040:c000 Hauppauge Windham
> Bus 001 Device 004: ID 2040:7070 Hauppauge Nova-T Stick 3
>
> cheers
> Worik
>

Most physical tuners can ve set up to be more than one virtual tiner, I am
not sure if this is what you are seeing.
Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On 07/09/15 13:44, Nick Rout wrote:
> Most physical tuners can ve set up to be more than one virtual tiner, I
> am not sure if this is what you are seeing.

I want to match the report from the log, e.g., "cardid 1, sourceid 1"
with physical devices.

W


--
Why is the legal status of chardonnay different to that of cannabis?
worik.stanton@gmail.com 021-1680650, (03) 4821804
Aotearoa (New Zealand)
I voted for love

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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On 07/09/15 12:20, worik wrote:
> On 07/09/15 11:03, Tony Sauri wrote:
>>> Some body on this list very helpfully suggested a way to query the
>>>> database to determine which tuner recorded a particular recording. To my
>>>> embarrassment I cannot find the message.
>>>>
>>>> Can anybody help? I have two tuners, one of which I suspect is a lot
>>>> better than the other. I need to discern which is recording what.
>
> [snip]
>>>>
>> I would do something like this:
>>
>> cat /var/log/mythtv/mythbackend.log | grep HandleRecordingStatusChange
>>
>
> Thank you. Obvious! A really good start.
>
> I have "cardid 1, sourceid 1" and "cardid 2, sourceid 1" and "cardid 4,
> sourceid 1".
>
> cat /var/log/mythtv/mythbackend.log | grep
> HandleRecordingStatusChange|perl -e 'while(<>){s/^.+(cardid \d.+)/$1/;
> print }'|sort|uniq -c
> 117 cardid 1, sourceid 1
> 23 cardid 2, sourceid 1
> 44 cardid 4, sourceid 1
>
>
> Odd, as I have two tuners:
>
> $ ls /dev/dvb/
> adapter0 adapter1
>
>
> The backend status on MythWEB reports for encoder status:
>
> Encoder 1 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
> is recording '3 News' on TV3. This recording is scheduled to end at
> 12:30 PM.
> Encoder 2 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
> is not recording.
> Encoder 4 [ DVB : /dev/dvb/adapter1/frontend0 ] is local on backend and
> is not recording.
>
> Does this indicates that adapter0 has two tuners and adapter1 has 1?
>
> And how do I match these with the information from lsusb?
>
> $ lsusb|grep 2040
> Bus 001 Device 005: ID 2040:c000 Hauppauge Windham
> Bus 001 Device 004: ID 2040:7070 Hauppauge Nova-T Stick 3
>
> cheers
> Worik
>
>
>

In this case I would use:

sudo udevadm info --attribute-walk --name=/dev/dvb/adapter0/frontend0
and
sudo udevadm info --attribute-walk --name=/dev/dvb/adapter1/frontend0


And yes Nick is correct .... It seems you have more than 1 virtual tuner
per physical card.

An inspection of the capturecard table will allow you to relate a given
cardid to a /dev/dvb/adapter entry.

Tony

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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On Mon, 07 Sep 2015 14:22:46 +1200, you wrote:

>On 07/09/15 13:44, Nick Rout wrote:
>> Most physical tuners can ve set up to be more than one virtual tiner, I
>> am not sure if this is what you are seeing.
>
>I want to match the report from the log, e.g., "cardid 1, sourceid 1"
>with physical devices.
>
>W

Take a look at your MythWeb status page. At the top should be a list
of all the virtual tuners and the mapping to /dev devices. I have
also installed an addon script for the status page that looks back
through the current mythbackend.log file and finds all the recordings
and lists them with the virtual tuner number. I think this is the
script:

https://www.mythtv.org/wiki/Myth_recent_recordings.pl

and it also needs this script to work:

https://www.mythtv.org/wiki/Miscellaneous_Status_Information

This SQL query should tell you which tuner is which if there is not
enough information on the status page:

select cardinputid,cardid,sourceid,inputname,displayname,(select
videodevice from capturecard cc where cc.cardid=ci.cardid) as
videodevice,(select cardtype from capturecard cc where
cc.cardid=ci.cardid) as cardtype from cardinput ci order by
cardinputid;

The cardinputid is the virtual tuner number used in the logs.

Change the "order by cardinputid" to "order by videodevice" to list
the virtual tuners grouped by physical tuner.

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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On 07/09/15 15:09, Stephen Worthington wrote:
> On Mon, 07 Sep 2015 14:22:46 +1200, you wrote:
>
>> On 07/09/15 13:44, Nick Rout wrote:
>>> Most physical tuners can ve set up to be more than one virtual tiner, I
>>> am not sure if this is what you are seeing.
>>
>> I want to match the report from the log, e.g., "cardid 1, sourceid 1"
>> with physical devices.
>>
>> W
>
> Take a look at your MythWeb status page. At the top should be a list
> of all the virtual tuners and the mapping to /dev devices. I have
> also installed an addon script for the status page that looks back
> through the current mythbackend.log file and finds all the recordings
> and lists them with the virtual tuner number. I think this is the
> script:

The information on the mythweb/status page for my setup is not enough to
map "virtual tuners" to physical devices. It says:

Encoder 1 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
is not recording.
Encoder 2 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
is not recording.
Encoder 4 [ DVB : /dev/dvb/adapter1/frontend0 ] is local on backend and
is not recording.


>
> https://www.mythtv.org/wiki/Myth_recent_recordings.pl
>
> and it also needs this script to work:
>
> https://www.mythtv.org/wiki/Miscellaneous_Status_Information
>

Myth_recent_recordings.pl does not need Miscellaneous_Status_Information

The results it producs are no help to me

For example running it for just one recording says:

~$ perl myth_recent_recordings.pl --recordings 1 --plain_text
Recent Recordings:
9/7, 1:59 PM - PRIME
Doctor Who - Farewell To Matt Smith
Farewell To Matt Smith: This Doctor Who special looks back and
celebrates Matt Smith's time as the eleventh Doctor in the iconic
series. PGR (R)


> This SQL query should tell you which tuner is which if there is not
> enough information on the status page:
>
> select cardinputid,cardid,sourceid,inputname,displayname,(select
> videodevice from capturecard cc where cc.cardid=ci.cardid) as
> videodevice,(select cardtype from capturecard cc where
> cc.cardid=ci.cardid) as cardtype from cardinput ci order by
> cardinputid;
>
> The cardinputid is the virtual tuner number used in the logs.
>
> Change the "order by cardinputid" to "order by videodevice" to list
> the virtual tuners grouped by physical tuner.

This gives:

-> videodevice from capturecard cc where cc.cardid=ci.cardid) as
-> videodevice,(select cardtype from capturecard cc where
-> cc.cardid=ci.cardid) as cardtype from cardinput ci order by
-> cardinputid;
+-------------+--------+----------+-----------+-------------+-----------------------------+----------+
| cardinputid | cardid | sourceid | inputname | displayname |
videodevice | cardtype |
+-------------+--------+----------+-----------+-------------+-----------------------------+----------+
| 1 | 1 | 1 | DVBInput | adaptor0 |
/dev/dvb/adapter0/frontend0 | DVB |
| 2 | 2 | 1 | DVBInput | adaptor0 |
/dev/dvb/adapter0/frontend0 | DVB |
| 4 | 4 | 1 | DVBInput | adapter 1 |
/dev/dvb/adapter1/frontend0 | DVB |
+-------------+--------+----------+-----------+-------------+-----------------------------+----------+
3 rows in set (0.00 sec)


But there is still no information that matches
/dev/dvb/adapter0/frontend0 to a physical device. I have two, which is it?

The two I have are:

Bus 001 Device 005: ID 2040:c000 Hauppauge Windham
Bus 001 Device 004: ID 2040:7070 Hauppauge Nova-T Stick 3

cheers
Worik




>
> _______________________________________________
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>


--
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Aotearoa (New Zealand)
I voted for love

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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On Mon, 07 Sep 2015 15:45:20 +1200, you wrote:

>On 07/09/15 15:09, Stephen Worthington wrote:
>> On Mon, 07 Sep 2015 14:22:46 +1200, you wrote:
>>
>>> On 07/09/15 13:44, Nick Rout wrote:
>>>> Most physical tuners can ve set up to be more than one virtual tiner, I
>>>> am not sure if this is what you are seeing.
>>>
>>> I want to match the report from the log, e.g., "cardid 1, sourceid 1"
>>> with physical devices.
>>>
>>> W
>>
>> Take a look at your MythWeb status page. At the top should be a list
>> of all the virtual tuners and the mapping to /dev devices. I have
>> also installed an addon script for the status page that looks back
>> through the current mythbackend.log file and finds all the recordings
>> and lists them with the virtual tuner number. I think this is the
>> script:
>
>The information on the mythweb/status page for my setup is not enough to
>map "virtual tuners" to physical devices. It says:
>
> Encoder 1 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
>is not recording.
>Encoder 2 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
>is not recording.
>Encoder 4 [ DVB : /dev/dvb/adapter1/frontend0 ] is local on backend and
>is not recording.
>
>
>>
>> https://www.mythtv.org/wiki/Myth_recent_recordings.pl
>>
>> and it also needs this script to work:
>>
>> https://www.mythtv.org/wiki/Miscellaneous_Status_Information
>>
>
>Myth_recent_recordings.pl does not need Miscellaneous_Status_Information
>
>The results it producs are no help to me
>
>For example running it for just one recording says:
>
>~$ perl myth_recent_recordings.pl --recordings 1 --plain_text
>Recent Recordings:
>9/7, 1:59 PM - PRIME
>Doctor Who - Farewell To Matt Smith
>Farewell To Matt Smith: This Doctor Who special looks back and
>celebrates Matt Smith's time as the eleventh Doctor in the iconic
>series. PGR (R)
>
>
>> This SQL query should tell you which tuner is which if there is not
>> enough information on the status page:
>>
>> select cardinputid,cardid,sourceid,inputname,displayname,(select
>> videodevice from capturecard cc where cc.cardid=ci.cardid) as
>> videodevice,(select cardtype from capturecard cc where
>> cc.cardid=ci.cardid) as cardtype from cardinput ci order by
>> cardinputid;
>>
>> The cardinputid is the virtual tuner number used in the logs.
>>
>> Change the "order by cardinputid" to "order by videodevice" to list
>> the virtual tuners grouped by physical tuner.
>
>This gives:
>
>mysql> select cardinputid,cardid,sourceid,inputname,displayname,(select
> -> videodevice from capturecard cc where cc.cardid=ci.cardid) as
> -> videodevice,(select cardtype from capturecard cc where
> -> cc.cardid=ci.cardid) as cardtype from cardinput ci order by
> -> cardinputid;
>+-------------+--------+----------+-----------+-------------+-----------------------------+----------+
>| cardinputid | cardid | sourceid | inputname | displayname |
>videodevice | cardtype |
>+-------------+--------+----------+-----------+-------------+-----------------------------+----------+
>| 1 | 1 | 1 | DVBInput | adaptor0 |
>/dev/dvb/adapter0/frontend0 | DVB |
>| 2 | 2 | 1 | DVBInput | adaptor0 |
>/dev/dvb/adapter0/frontend0 | DVB |
>| 4 | 4 | 1 | DVBInput | adapter 1 |
>/dev/dvb/adapter1/frontend0 | DVB |
>+-------------+--------+----------+-----------+-------------+-----------------------------+----------+
>3 rows in set (0.00 sec)
>
>
>But there is still no information that matches
>/dev/dvb/adapter0/frontend0 to a physical device. I have two, which is it?
>
>The two I have are:
>
>Bus 001 Device 005: ID 2040:c000 Hauppauge Windham
>Bus 001 Device 004: ID 2040:7070 Hauppauge Nova-T Stick 3
>
>cheers
>Worik

You will need to look in /var/log/dmesg for the hardware that
registers on each /dev/dvb device. Or use the "adapter_nr=" option on
the drivers to lock the hardware to an adapter number, or use udev to
do the same.

Try "grep frontend /var/log/dmesg".

You also seem to have far too few multirec tuners - my recordings
often use at least three on each of the first two of my DVB-T tuners.
The maximum setting is five - I think you should increase yours to at
least three each, and it does not hurt to set it to five unless you
would run out of ability for your disks to cope with that many
recordings at once.

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Re: Determining which tuner card for a recording after it is recorded [ In reply to ]
On 07/09/15 16:21, Stephen Worthington wrote:
> On Mon, 07 Sep 2015 15:45:20 +1200, you wrote:
>
>> On 07/09/15 15:09, Stephen Worthington wrote:
>>> On Mon, 07 Sep 2015 14:22:46 +1200, you wrote:
>>>
>>>> On 07/09/15 13:44, Nick Rout wrote:
>>>>> Most physical tuners can ve set up to be more than one virtual tiner, I
>>>>> am not sure if this is what you are seeing.
>>>>
>>>> I want to match the report from the log, e.g., "cardid 1, sourceid 1"
>>>> with physical devices.

Ok. For the record:

In mysql...

select cardid, videodevice from capturecard

matches cardid and dvb/device.

For each device above query the "frontend0"

sudo udevadm info --name=/dev/dvb/adapter0/frontend0 --attribute-walk
--export|grep -i {product}

This produces a tree of a couple of system devices. The first listed is
the one that is important.

That matches cardid with device.

To match recording with cardid:

cat /var/log/mythtv/mythbackend.log | grep HandleRecordingStatusChange

So now I can tell which stick did which recording so I can identify
which is doing the better job.

Thank you all for the help

W

>>>>
>>>> W
>>>
>>> Take a look at your MythWeb status page. At the top should be a list
>>> of all the virtual tuners and the mapping to /dev devices. I have
>>> also installed an addon script for the status page that looks back
>>> through the current mythbackend.log file and finds all the recordings
>>> and lists them with the virtual tuner number. I think this is the
>>> script:
>>
>> The information on the mythweb/status page for my setup is not enough to
>> map "virtual tuners" to physical devices. It says:
>>
>> Encoder 1 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
>> is not recording.
>> Encoder 2 [ DVB : /dev/dvb/adapter0/frontend0 ] is local on backend and
>> is not recording.
>> Encoder 4 [ DVB : /dev/dvb/adapter1/frontend0 ] is local on backend and
>> is not recording.
>>
>>
>>>
>>> https://www.mythtv.org/wiki/Myth_recent_recordings.pl
>>>
>>> and it also needs this script to work:
>>>
>>> https://www.mythtv.org/wiki/Miscellaneous_Status_Information
>>>
>>
>> Myth_recent_recordings.pl does not need Miscellaneous_Status_Information
>>
>> The results it producs are no help to me
>>
>> For example running it for just one recording says:
>>
>> ~$ perl myth_recent_recordings.pl --recordings 1 --plain_text
>> Recent Recordings:
>> 9/7, 1:59 PM - PRIME
>> Doctor Who - Farewell To Matt Smith
>> Farewell To Matt Smith: This Doctor Who special looks back and
>> celebrates Matt Smith's time as the eleventh Doctor in the iconic
>> series. PGR (R)
>>
>>
>>> This SQL query should tell you which tuner is which if there is not
>>> enough information on the status page:
>>>
>>> select cardinputid,cardid,sourceid,inputname,displayname,(select
>>> videodevice from capturecard cc where cc.cardid=ci.cardid) as
>>> videodevice,(select cardtype from capturecard cc where
>>> cc.cardid=ci.cardid) as cardtype from cardinput ci order by
>>> cardinputid;
>>>
>>> The cardinputid is the virtual tuner number used in the logs.
>>>
>>> Change the "order by cardinputid" to "order by videodevice" to list
>>> the virtual tuners grouped by physical tuner.
>>
>> This gives:
>>
>> mysql> select cardinputid,cardid,sourceid,inputname,displayname,(select
>> -> videodevice from capturecard cc where cc.cardid=ci.cardid) as
>> -> videodevice,(select cardtype from capturecard cc where
>> -> cc.cardid=ci.cardid) as cardtype from cardinput ci order by
>> -> cardinputid;
>> +-------------+--------+----------+-----------+-------------+-----------------------------+----------+
>> | cardinputid | cardid | sourceid | inputname | displayname |
>> videodevice | cardtype |
>> +-------------+--------+----------+-----------+-------------+-----------------------------+----------+
>> | 1 | 1 | 1 | DVBInput | adaptor0 |
>> /dev/dvb/adapter0/frontend0 | DVB |
>> | 2 | 2 | 1 | DVBInput | adaptor0 |
>> /dev/dvb/adapter0/frontend0 | DVB |
>> | 4 | 4 | 1 | DVBInput | adapter 1 |
>> /dev/dvb/adapter1/frontend0 | DVB |
>> +-------------+--------+----------+-----------+-------------+-----------------------------+----------+
>> 3 rows in set (0.00 sec)
>>
>>
>> But there is still no information that matches
>> /dev/dvb/adapter0/frontend0 to a physical device. I have two, which is it?
>>
>> The two I have are:
>>
>> Bus 001 Device 005: ID 2040:c000 Hauppauge Windham
>> Bus 001 Device 004: ID 2040:7070 Hauppauge Nova-T Stick 3
>>
>> cheers
>> Worik
>
> You will need to look in /var/log/dmesg for the hardware that
> registers on each /dev/dvb device. Or use the "adapter_nr=" option on
> the drivers to lock the hardware to an adapter number, or use udev to
> do the same.
>
> Try "grep frontend /var/log/dmesg".
>
> You also seem to have far too few multirec tuners - my recordings
> often use at least three on each of the first two of my DVB-T tuners.
> The maximum setting is five - I think you should increase yours to at
> least three each, and it does not hurt to set it to five unless you
> would run out of ability for your disks to cope with that many
> recordings at once.
>
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>


--
Why is the legal status of chardonnay different to that of cannabis?
worik.stanton@gmail.com 021-1680650, (03) 4821804
Aotearoa (New Zealand)
I voted for love

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