Re: [Discuss-gnuradio] Creating incremental data files during a continuous operation.

2013-06-20 Thread Burak TUYSUZ
Thanks Marcus for the information.
However, I did not understand at which point I should do that change.
Should I use gr_head so each file contains exact amount of samples? Is
there an example that I can refer to?


On Thu, Jun 20, 2013 at 3:17 PM, Marcus D. Leech  wrote:

> **
> On 06/20/2013 03:15 PM, Burak TUYSUZ wrote:
>
>  Hi,
>
>  I just wonder if there is a method built in GNURadio that will allow me
> to create incremental files (1.dat, 2 dat ...) instead of a huge file in
> continuous operation.
>
>  I did implement a similar structure by taking the data in buffers and
> creating files afterwards. However I would like to know if there are other
> ways of doing this (without dropping samples or stopping the graph).
>
>  Thanks in advance
> Burak
>
>
>
>
> ___
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>
>  You can change the output filename of the file sink at runtime.
>
>
> --
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> Principal Investigator
> Shirleys Bay Radio Astronomy Consortiumhttp://www.sbrac.org
>
>
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[Discuss-gnuradio] Creating incremental data files during a continuous operation.

2013-06-20 Thread Burak TUYSUZ
Hi,

I just wonder if there is a method built in GNURadio that will allow me to
create incremental files (1.dat, 2 dat ...) instead of a huge file in
continuous operation.

I did implement a similar structure by taking the data in buffers and
creating files afterwards. However I would like to know if there are other
ways of doing this (without dropping samples or stopping the graph).

Thanks in advance
Burak
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[Discuss-gnuradio] Passing numpy arrays into vector parameters

2012-02-17 Thread Burak TUYSUZ
Hi all,

I saw that there was a feature request 2 years ago.
http://gnuradio.org/redmine/issues/399
Is there any progress on that or any idea how to do that?
Thank you
-Burak
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[Discuss-gnuradio] Captured data samples

2011-06-26 Thread Burak TUYSUZ
Hi,

I was wondering if there is a sample received signals for Analog TV, Digital
TV, GPS, FM etc. that are captured by USRP.
If there is no, I think it would be a good to put 1 sec sample files to the
server for reference.
Thanks.
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Re: [Discuss-gnuradio] USRP2 - external clock pps python example

2011-04-18 Thread Burak TUYSUZ
In UHD for the time stamps you suggested to use the cpp interface which is
fine and there is also an example.
How can I make sure that external clock is locked properly in cpp.
Thanks in advance
-Burak

On Wed, Apr 13, 2011 at 2:37 PM, Josh Blum  wrote:

>
>
> On 04/13/2011 11:31 AM, Burak TUYSUZ wrote:
> > It does not say if it is the falling edge or the rising edge of the
> > pps. Is it possible to specify that or is it defined?
> >
> >
> The convenience function sets the positive edge which seems to be every
> device out there.
>
> For advanced configuration, see the c++ doxygen, so you can extrapolate
> what the equivalent code in python should be.
>
> http://www.ettus.com/uhd_docs/doxygen/html/structuhd_1_1clock__config__t.html
>
> -Josh
>
> > On Tue, Apr 12, 2011 at 9:57 PM, Josh Blum  wrote:
> >>
> >>
> >> On 04/12/2011 06:06 PM, Burak TUYSUZ wrote:
> >>> Hi Josh,
> >>> Is it possible to trigger storing data with pps using GRC I could nor
> >>> find a related email.
> >>
> >> Not from GRC
> >>
> >>> If so should that be included in FPGA or in software. A related work
> >>> would be great
> >>
> >> The rx_timed_samples.cpp example in uhd shows how to request samples at
> >> a specific time.
> >>
> >> -Josh
> >>
> >>>
> >>>
> >>> On Mon, Apr 11, 2011 at 9:43 PM, Josh Blum  wrote:
> >>>>
> >>>>
> >>>> On 04/11/2011 02:35 PM, Burak TUYSUZ wrote:
> >>>>> Is there any example python code showing the usage of external clock
> >>>>> and pps inputs of USRP2
> >>>>> Thank you in advance
> >>>>> -Burak
> >>>>>
> >>>>
> >>>> A good python example would be code generated by grc when you setup
> the
> >>>> "ref clock" and "sync" parameters in the uhd usrp source/sink blocks.
> >>>>
> >>>> http://code.ettus.com/redmine/ettus/projects/uhd/wiki#Gnuradio-UHD
> >>>>
> >>>> -Josh
> >>>>
> >>>> ___
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> >>>> Discuss-gnuradio@gnu.org
> >>>> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> >>>>
> >>>
> >>>
> >>>
> >>
>
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Re: [Discuss-gnuradio] USRP2 - external clock pps python example

2011-04-13 Thread Burak TUYSUZ
It does not say if it is the falling edge or the rising edge of the
pps. Is it possible to specify that or is it defined?


On Tue, Apr 12, 2011 at 9:57 PM, Josh Blum  wrote:
>
>
> On 04/12/2011 06:06 PM, Burak TUYSUZ wrote:
>> Hi Josh,
>> Is it possible to trigger storing data with pps using GRC I could nor
>> find a related email.
>
> Not from GRC
>
>> If so should that be included in FPGA or in software. A related work
>> would be great
>
> The rx_timed_samples.cpp example in uhd shows how to request samples at
> a specific time.
>
> -Josh
>
>>
>>
>> On Mon, Apr 11, 2011 at 9:43 PM, Josh Blum  wrote:
>>>
>>>
>>> On 04/11/2011 02:35 PM, Burak TUYSUZ wrote:
>>>> Is there any example python code showing the usage of external clock
>>>> and pps inputs of USRP2
>>>> Thank you in advance
>>>> -Burak
>>>>
>>>
>>> A good python example would be code generated by grc when you setup the
>>> "ref clock" and "sync" parameters in the uhd usrp source/sink blocks.
>>>
>>> http://code.ettus.com/redmine/ettus/projects/uhd/wiki#Gnuradio-UHD
>>>
>>> -Josh
>>>
>>> ___
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>>>
>>
>>
>>
>

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Re: [Discuss-gnuradio] PLL or PLC clock module for USRP1

2011-04-12 Thread Burak TUYSUZ
I have already seen that and it is not exactly what I wanted/meant but
thank you.
I hope someone else has done/used something similar and help me.
Thanks in advance.

On Tue, Apr 12, 2011 at 10:34 PM, Marcus D. Leech  wrote:
> On 04/12/2011 10:25 PM, Burak TUYSUZ wrote:
>>
>> I remember that I saw something taking power from the USRP1 fan power
>> input
>> having external clock input and providing a 52MHz or close clock to be
>> used but I could not find that link again when I looked for it
>> So I thought maybe someone used it in here so I can get information about
>> it.
>> Did anyone designed or used a similar module/board.
>> Thanks
>
> There was/is a 52MHz high-quality clock board for the USRP1, intended for
> OpenBTS applications.
>  My understanding is that the board (through Olifantasia??) is no longer
> available.
>
> You may be referring to:
>
> http://code.google.com/p/clock-tamer/
>
>
> --
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
>

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Re: [Discuss-gnuradio] PLL or PLC clock module for USRP1

2011-04-12 Thread Burak TUYSUZ
I remember that I saw something taking power from the USRP1 fan power input
having external clock input and providing a 52MHz or close clock to be
used but I could not find that link again when I looked for it
So I thought maybe someone used it in here so I can get information about it.
Did anyone designed or used a similar module/board.
Thanks


On Tue, Apr 12, 2011 at 10:18 PM, Marcus D. Leech  wrote:
> On 04/12/2011 10:15 PM, Burak TUYSUZ wrote:
>>
>> Hi all,
>>
>> I wonder if you know of a clock module for USRP1 with phased locked
>> loop or phase locked crystal (preferred)
>> which has a 10MHz reference clock input and provide ~64MHz clock that
>> will be used on USRP1
>>
>> Thanks in advance.
>>
>>
> You're unlikely to find that as an off-the-shelf item.
>
>
>
>
> --
> Marcus Leech
> Principal Investigator
> Shirleys Bay Radio Astronomy Consortium
> http://www.sbrac.org
>
>
>
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[Discuss-gnuradio] PLL or PLC clock module for USRP1

2011-04-12 Thread Burak TUYSUZ
Hi all,

I wonder if you know of a clock module for USRP1 with phased locked
loop or phase locked crystal (preferred)
which has a 10MHz reference clock input and provide ~64MHz clock that
will be used on USRP1

Thanks in advance.

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Re: [Discuss-gnuradio] USRP2 - external clock pps python example

2011-04-12 Thread Burak TUYSUZ
Hi Josh,
Is it possible to trigger storing data with pps using GRC I could nor
find a related email.
If so should that be included in FPGA or in software. A related work
would be great
Thanks in advance.
-Burak


On Mon, Apr 11, 2011 at 9:43 PM, Josh Blum  wrote:
>
>
> On 04/11/2011 02:35 PM, Burak TUYSUZ wrote:
>> Is there any example python code showing the usage of external clock
>> and pps inputs of USRP2
>> Thank you in advance
>> -Burak
>>
>
> A good python example would be code generated by grc when you setup the
> "ref clock" and "sync" parameters in the uhd usrp source/sink blocks.
>
> http://code.ettus.com/redmine/ettus/projects/uhd/wiki#Gnuradio-UHD
>
> -Josh
>
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-- 
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The Pennsylvania State University
Electrical Engineering
329 Electrical Engineering East Building
University Park, PA 16802

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[Discuss-gnuradio] USRP2 - external clock pps python example

2011-04-11 Thread Burak TUYSUZ
Is there any example python code showing the usage of external clock
and pps inputs of USRP2
Thank you in advance
-Burak

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[Discuss-gnuradio] usrp c++: changing external clock frequency

2011-03-07 Thread Burak TUYSUZ
Hi All,

While using the c++ interface for usrp with basicRX
if I need to supply a different clock frequency do I have to change
something as in python?
Thanks in advance.
-Burak
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[Discuss-gnuradio] Using 10 MHz gps disciplined clock for USRP external clock

2010-12-23 Thread Burak TUYSUZ
Hi all,

I will be interested if anyone tried to use 10 MHz gps disciplined clock
outputs on USRP as an external clock.
I believe USRP will not be doing good at 10 MHz clock so what will be the
best way to use this output from GPS with USRP...
Thanks in advance

-Burak
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Re: [Discuss-gnuradio] USRP BasicRX read_io() from pins

2010-11-07 Thread Burak TUYSUZ
I did implement the pps input in the firmware
so I can precisely start collecting data and the buffer problem solved.
Thank you for your help
-Burak

On Sat, Nov 6, 2010 at 12:51 PM, Burak TUYSUZ  wrote:

> Do you think that it  will work or
> should I use verilog for this purpose?
>
> Actually I did something in verilog but I guess when I stop collecting data
> some
> of the data waiting in the buffers, so that is why I wanted to learn if it
> is easier to do in python.
> Thank you
>
>
>
> On Sat, Nov 6, 2010 at 12:48 PM, Eric Blossom  wrote:
>
>> On Sat, Nov 06, 2010 at 12:43:28PM -0400, Burak TUYSUZ wrote:
>> > Thanks Eric,
>> >
>> > Is there a pps input application/example done with this on USRP1
>> > probably using a counter in python.
>>
>> Not that I know of.
>>
>> > I would like it to count the pulses coming from a source and according
>> to
>> > that
>> > start collecting data.
>> >
>> > I would appreciate if you could explain this a little bit.
>> > Thank you
>> >
>> > On Sat, Nov 6, 2010 at 12:32 PM, Eric Blossom  wrote:
>> >
>> > > On Sat, Nov 06, 2010 at 11:11:51AM -0400, Burak TUYSUZ wrote:
>> > > > Hi all,
>> > > > I want to read an input from BasicRX pins using read_io()
>> > > > I could not find a document how to do this in python.
>> > > > An example would be great thank you in advance.
>> > >
>> > >   pins = u.read_io(0)   # 0 -> side A; 1 -> side B
>> > >
>> > > Eric
>> > >
>>
>
>
>
> --
> Burak TUYSUZ
> Ph.D. Candidate, Research Assistant
> The Pennsylvania State University
> Electrical Engineering
> 329 Electrical Engineering East Building
> University Park, PA 16802
>
> **CONFIDENTIAL**
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> privileged and exempt from disclosure under applicable law.  If you have
> received this message in error, or are not the named recipient, please
> immediately notify the sender by return e-mail and delete all copies of this
> message.
>
>


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Electrical Engineering
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Re: [Discuss-gnuradio] USRP BasicRX read_io() from pins

2010-11-06 Thread Burak TUYSUZ
Do you think that it  will work or
should I use verilog for this purpose?

Actually I did something in verilog but I guess when I stop collecting data
some
of the data waiting in the buffers, so that is why I wanted to learn if it
is easier to do in python.
Thank you


On Sat, Nov 6, 2010 at 12:48 PM, Eric Blossom  wrote:

> On Sat, Nov 06, 2010 at 12:43:28PM -0400, Burak TUYSUZ wrote:
> > Thanks Eric,
> >
> > Is there a pps input application/example done with this on USRP1
> > probably using a counter in python.
>
> Not that I know of.
>
> > I would like it to count the pulses coming from a source and according to
> > that
> > start collecting data.
> >
> > I would appreciate if you could explain this a little bit.
> > Thank you
> >
> > On Sat, Nov 6, 2010 at 12:32 PM, Eric Blossom  wrote:
> >
> > > On Sat, Nov 06, 2010 at 11:11:51AM -0400, Burak TUYSUZ wrote:
> > > > Hi all,
> > > > I want to read an input from BasicRX pins using read_io()
> > > > I could not find a document how to do this in python.
> > > > An example would be great thank you in advance.
> > >
> > >   pins = u.read_io(0)   # 0 -> side A; 1 -> side B
> > >
> > > Eric
> > >
>



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Electrical Engineering
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Re: [Discuss-gnuradio] USRP BasicRX read_io() from pins

2010-11-06 Thread Burak TUYSUZ
Thanks Eric,

Is there a pps input application/example done with this on USRP1
probably using a counter in python.
I would like it to count the pulses coming from a source and according to
that
start collecting data.

I would appreciate if you could explain this a little bit.
Thank you

On Sat, Nov 6, 2010 at 12:32 PM, Eric Blossom  wrote:

> On Sat, Nov 06, 2010 at 11:11:51AM -0400, Burak TUYSUZ wrote:
> > Hi all,
> > I want to read an input from BasicRX pins using read_io()
> > I could not find a document how to do this in python.
> > An example would be great thank you in advance.
>
>   pins = u.read_io(0)   # 0 -> side A; 1 -> side B
>
> Eric
>
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[Discuss-gnuradio] USRP BasicRX read_io() from pins

2010-11-06 Thread Burak TUYSUZ
Hi all,
I want to read an input from BasicRX pins using read_io()
I could not find a document how to do this in python.
An example would be great thank you in advance.
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[Discuss-gnuradio] USRP external clocking outdated documents

2010-10-25 Thread Burak TUYSUZ
Hi,

USRP external clocking documents are outdated so I could not find answer to
my questions.
I modified the USRP board for external clock input, but which parameters
should I change in the code for a different clock frequency (10MHz).
I guess in python I can set it by writing

self.u.set_fpga_master_clock_freq(1000)

but I guess more files should be edited(I am using basic rx).
I am having some hard times with this so if you could help I will really
appreciate it
Thank you in advance.
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[Discuss-gnuradio] external clock software modifications

2010-10-16 Thread Burak TUYSUZ
Hi all,

I did the external clock hardware modifications.
What modifications I need to make on the gnuradio software so I can use 10
MHz clock.
Thank you
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[Discuss-gnuradio] gnuplot_freqz.py

2010-10-12 Thread Burak TUYSUZ
Hi all,

gnuplot_freqz.py test gives error

Traceback (most recent call last):
  File "./gnuplot_freqz.py", line 81, in 
handle = test_plot ()
  File "./gnuplot_freqz.py", line 78, in test_plot
return gnuplot_freqz (freqz (taps, 1), sample_rate)
  File "/usr/lib64/python2.6/site-packages/gnuradio/gruimpl/freqz.py", line
326, in freqz
b, a = map(atleast_1d, (b,a))
  File "/usr/lib64/python2.6/site-packages/gnuradio/gruimpl/freqz.py", line
77, in atleast_1d
result = numpy.array([ary[0]])
IndexError: 0-d arrays can't be indexed


Any solutions?
Thank you in advance
-Burak
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[Discuss-gnuradio] Compile error: /usr/local/gnuradio/gnuradio-core/src/lib/gnuradio-config-info.cc:36: undefined reference to

2010-06-02 Thread Burak TUYSUZ
Hi,

I am trying to compile gnuradio from the latest development code but in both
of my computers I get the same exact error**.
I use gentoo and I will appreciate any help
Thank you


libtool: link: g++ -g -O2 -Wall -Woverloaded-virtual -pthread -o
.libs/gnuradio-config-info gnuradio-config-info.o
./.libs/libgnuradio-core.so -L/usr/lib -lrt
/usr/local/gnuradio/gruel/src/lib/.libs/libgruel.so -lboost_thread-1_37
/usr/lib/libfftw3f.so /usr/lib/libgsl.so /usr/lib/libgslcblas.so -lm -lcblas
-lboost_program_options-1_37 -pthread
gnuradio-config-info.o: In function `main':
/usr/local/gnuradio/gnuradio-core/src/lib/gnuradio-config-info.cc:36:
undefined reference to
`boost::program_options::options_description::options_description(std::basic_string, std::allocator > const&, unsigned int,
unsigned int)'
collect2: ld returned 1 exit status
make[5]: *** [gnuradio-config-info] Error 1
make[5]: Leaving directory `/usr/local/gnuradio/gnuradio-core/src/lib'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/usr/local/gnuradio/gnuradio-core/src/lib'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/usr/local/gnuradio/gnuradio-core/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/local/gnuradio/gnuradio-core'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/gnuradio'
make: *** [all] Error 2
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[Discuss-gnuradio] 1pps input USRP

2009-07-23 Thread Burak TUYSUZ
Hi All,

I want to feed USRP with 1 pps input from io pins. I found from an old
mail that it is already possible.

"You can connect the 1PPS to the digital io pins on the basic or lf
daughtercards. From there you can use the read_io() method in python
to read the value on the pins. Just make sure that your 1PPS is
between about 1.5 and 3.3V; under 1.5V it may not be detected, over
3.3V you could fry a pin."

Could someone explain a little bit in detail how to do this?
Thank you in advance

-Burak


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[Discuss-gnuradio] Operating Basic Rx after a trigger.

2009-07-22 Thread Burak TUYSUZ
Hi All,

At some part of a project, I need to count pulses coming from an external
source and so to say after 100 pulses I want to start the operation of
basicrx and save the data for 10 seconds.
Then stop receiving, reset counter.

Can I use Basic Rx pins for this purpose?
Where can I get more information about how to operation of these pins?
Should I use c++ or python interface for this purpose? (I did some work in
python, should I change them to c++)

Is there any similar project written before so I can reference?

Thank you in advance.

-Burak
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[Discuss-gnuradio] Hi,

2009-07-01 Thread Burak TUYSUZ
Hello all,

I guess something changed on some packages and I am having problems to run
this code.

#if self.u.db[0][0].dbid() != usrp_dbid.BASIC_RX:
#sys.stderr.write('This code requires a Basic Rx board on Side
A\n')
#sys.exit(1)

self.u.db[0] this gives me error in my code which is kind of annoying.
I can just omit this part which I found from another code but I want to
learn how to make this work.
Thank you.
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[Discuss-gnuradio] GPS time data

2009-05-07 Thread Burak TUYSUZ
Hi,
I want to use GPS time data for synchronization of two USRP boards. I
already have the USRP daughterboard for GPS.
I came accross with gps-sdr but it seems does not work with the latest GNU
Radio. I get some compiling errors.
I do not know if it has already been done, or is there any project going on.
Any help would be appreciated.
Thanks in advance
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[Discuss-gnuradio] Over the air HDTV decoding.

2009-03-30 Thread Burak TUYSUZ
Hi all,
I would like to decode the HDTV data that I captured with USRP
What would you advise me. It does not have to be continuous though.
I just want to be able to decode.
Thank you
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[Discuss-gnuradio] ATSC decode

2009-03-19 Thread Burak TUYSUZ
Hi all,
I am new with GNUradio and USRP.
I am using the atsc to decode hdtv but I have no luck.I get some sync errors
from btl-fds.py

>>> gr_fir_fff: using SSE
atsc_field_sync_demux: synced (FIELD-1) at 426606 [delta = 426606]
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow
!!! atsci_equalizer: expected field sync, didn't find one
atsc_field_sync_demux: segment number overflow


I get an output from the viterbi-out.py but I can not pla the output mpeg
file with mplayer.
Can you help me please with this situation.
Thank you
I use the readme from gnuradio/gr-atsc/src/python to decode
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