[linux-dvb] Finding Section bitrate

Manu Abraham abraham.manu at gmail.com
Wed Oct 26 21:55:46 CEST 2005


Mws wrote:

> Manu Abraham wrote:
>
>> Mws wrote:
>>
>>> Manu Abraham wrote:
>>>
>>>> Hi,
>>>>
>>>> I was looking at how i can find the rate at which a section 
>>>> arrives. If i do a read() in userspace, applying a filter for that 
>>>> particular section, since the data is already buffered, the rate 
>>>> that i can calculate might not be correct ? But if i take a look at 
>>>> from a driver point of view, i will be able to find the rate of the 
>>>> entire stream only (that which is transferred out of the card). Any 
>>>> thoughts as to how i can work this out correctly ? Any suggestions 
>>>> would be appreciated.
>>>>
>>>> Thanks,
>>>> Manu
>>>>
>>>> _______________________________________________
>>>> linux-dvb mailing list
>>>> linux-dvb at linuxtv.org
>>>> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>>>
>>>
>>>
>>> hi,
>>>
>>> if you mean the bitrate for a PID (that carries sections)
>>> you might try dvbsnoop.
>>
>>
>>
>> Hi,
>>
>> Thanks for pointing it out. But, since the stream is buffered, will 
>> these values be right ? Anyway i will just try it out.
>>
>>
>> Thanks,
>> Manu
>>
>
> what you will get is a nearly accourate analysis if you let it run for 
> some time.
> this throws away all buffering effects.
>
> not a problem, i am using that nice tool very often.
>

Thanks,
Manu




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