Changing source without stopping pipeline

[Stefan Sauer]

On 11/03/2011 02:04 AM, superlou wrote:
>>> 0:00:19.731523367 17149 0x7fcc00002290 WARN             videomixer2 
>>> videomixer2.c:706:gst_videomixer2_fill_queues:<videomixer22:sink_0>
>>> Buffer 
>>> from the past, dropping
>> Set is-live=true on videotestsrc. 
> I tried this and it didn't seem to make any difference.  I can see in the
> graph that the is-live property is set to true.
>
Okay, was worth trying. You'll needs to dig down, look at the timestamps
and segments on both branches. Drill upstream from the element that
complains.
>>> I'm also seeing a lot of Quality of Service messages: 
>>> Source: ffmpegcsp3, Type: 16777216 
>> Where does this message come from, try to print it with correct details 
>> (Type: 16777216is not helpful). 
> Sorry, is there a standard format for getting the details?  From what I
> could tell, the only info in a message is the source, type, timestamp, and
> Structure. 
e.g. use gst_message_type_get_name() instead of printing the number.

Stefan
>  I found that even before I try switching out the webcam source,
> I'm receiving QoS messages:
>
> (18446744073709551615) Source: videomixer20, Type: 16777216, Structure:
> GstMessageQOS
> (18446744073709551615) Source: videomixer21, Type: 16777216, Structure:
> GstMessageQOS
>
> After I execute the swap, the messages are:
>
> (18446744073709551615) Source: ffmpegcsp3, Type: 16777216, Structure:
> GstMessageQOS
>
> The elements are shown here: http://imgur.com/OmS14
>
> Thanks,
> Louis
>
> --
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