[gst-devel] Question on conventional properties/events to descript run-time request

[Stefan Kost]

On 15.06.2010 06:41, Michael Smith wrote:
> 2010/6/14 Chen, Weian <weian.chen at intel.com>:
>   
>> Thanks a lot for your reply.
>>
>> And what I want is to change bit-rate etc at run time after the encoding process starts.
>>
>> So my question is does Gstreamer framework have conventional properties/events for run-time configuration?
>>     
> Properties can be changed at runtime. Whether this actually works is
> entirely up to the particular element. GStreamer doesn't currently
> have any mechanism to query whether a property can be modified in a
> particular element state, though.
>   
We do, but imho its not widely used:
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstParamSpec.html#GST-PARAM-MUTABLE-PAUSED:CAPS

Stfean
> Most encoders do not let you modify the bitrate target at runtime -
> but if you have an encoder that can do that, you should simply make
> setting the property during encoding set the changed bitrate on the
> underlying encoder properly.
>
> Mike
>
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