Re: [Discuss-gnuradio] status of stream tags

[Josh Blum]

On 09/21/2011 09:55 AM, Feng Andrew Ge wrote:
> Josh, thanks for the information. Where can I get those few
> implementations using stream tags?
> 
If you werent following the other discussions, there is a uhd source
tagging capability implemented on this branch:
http://www.github.com/bistromath/gr-air-modes/

-Josh

Sent from i myPhone

> Andrew
> 
> On 09/21/2011 12:31 PM, Josh Blum wrote:
>>
>> On 09/21/2011 09:10 AM, Feng Andrew Ge wrote:
>>> Josh,
>>>
>>> I noticed that there are many useful commands enabled by UHD. For
>>> example, they are used in uhd/host/examples in C++. I am wondering
>>> whether we have correspondence in Python. In particular, can I initiate
>>> the stream command in python?
>>>
>>> I'd like to start GNU Radio, initiate USRP through UHD (which is
>>> connected to some GNU Radio blocks), then do some examples similar to
>>> those in uhd/host/examples, including latency_test.cpp. Would you kindly
>>> offer any suggestions regarding the above setting?
>>>
>> Take a look at gr-uhd/include. You can call all those API functions from
>> python. However streaming is taken over by the gnuradio scheduler.
>>
>> To handle tasks involving metadata you will need to use "stream tags".
>> We have not pulled stream tags functionality into mainline gr-uhd yet,
>> but there are a few implementations around... This might be a useful
>> discussion to bring to the gnuradio mailing list.
>>
>> -josh
> 
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