[Live-devel] Difficulties with a live source

[Brad Bitterman]

I have several live sources that do not have GOV's and they work  
perfect with live555. You should not have a problem.....

BTW: Tell Rich Brad says hello :)

- Brad

On Mar 9, 2009, at 3:07 PM, Austin Snow (pftv) wrote:

> Thanks Ross,
> I'm now generating the header with the proper visual object sequence  
> start code and supporting information.
> 000001B003000001B509000001000000012000C8888007D05841214103
>
> Can I send this information into the MPEG4VideoStreamDiscreteFramer  
> and/or MPEG4VideoStreamFramer without the next frame info and data?  
> Or must they be sent together for the first frame to initialize  
> things?
>
> Also, I wanted to know, can the MPEG4VideoStreamDiscreteFramer and  
> MPEG4VideoStreamFramer function without the group of VOP start code  
> (000001B3xxxxxx)?   This is defined as optional in the mpeg4 standard.
>
> Thanks
> Austin
>
> On Mar 3, 2009, at 11:13 PM, Ross Finlayson wrote:
>
>>> Hello All,
>>> I having some difficulty getting samples from a live source  
>>> (QTCaptureSession) into MPEG4VideoStreamDiscreteFramer via a  
>>> DeviceSource.cpp.
>>>
>>> The live data does not contain any 000001B3xxx000001B6..... (group  
>>> of vop start code) or 000001B0.... (visual object sequence start  
>>> code).  The only header info in the stream is the 000001B6......   
>>> the vop start code.
>>
>> Then it appears that your data is not standards compliant (or  
>> perhaps, not regular MPEG-4 Video data at all).  Are you sure that  
>> it's not something else (e.g., not H.264)?
>>
>>>
>>> Can you tell me if the MPEG4VideoStreamDiscreteFramer or  
>>> MPEG4VideoStreamFramer can be used with this type of live source?
>>
>> No.
>> -- 
>>
>> Ross Finlayson
>> Live Networks, Inc.
>> http://www.live555.com/
>> _______________________________________________
>> live-devel mailing list
>> live-devel at lists.live555.com
>> http://lists.live555.com/mailman/listinfo/live-devel
>
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