Setting a writeable flag for the appsink blocksize property

[Tim-Philipp Müller]

On Mon, 2013-06-10 at 10:56 +0100, George Demetriades wrote:

> 
> Would you be able to explain that a little bit further please? I'm not
> sure I understand what you mean.

Which bits are unclear?

 Cheers
  -Tim


> On 7 June 2013 13:14, Tim-Philipp Müller <t.i.m at zen.co.uk> wrote:
>         On Fri, 2013-06-07 at 13:04 +0100, George Demetriades wrote:
>         
>         Hi,
>         
>         
>         > I'm not actually using the appsrc element; instead, I'm
>         using a udpsrc
>         > which is then decoded. The idea is to pull whole raw frames
>         out of the
>         > gstreamer pipeline via the appsink element which I then
>         process
>         > myself. The problem is that setting the blocksize element
>         doesn't
>         > affect the size of the buffer I receive in my callback
>         function used
>         > when when the "new-buffer" signal is emitted.
>         >
>         >
>         > I'm not sure how to control the size of the buffer passed
>         through to
>         > the appsink though, and that is where the problem lies.
>         
>         
>         Sorry, my fault, I misread. The same applies to appsink
>         though :-)
>         
>         You will get buffers as they flow through the pipeline in the
>         chunking
>         used there. So after udpsrc that would be udp packets as
>         received, after
>         an RTP depayloader that might be udp payloads (possibly whole
>         frames,
>         e.g. if you force the depayloader to output H.264 AVC instead
>         of
>         byte-stream NALs).
>         
>          Cheers
>           -Tim
>         
>         
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> 
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