[gst-devel] GST_DEBUG_BIN_TO_DOT_FILE doesn't show all elements.

[wl2776]

Stefan Kost wrote:
> 
>>>> Yes, I know, I play a wav file. The question is - why has playbin2 left
>>>> the video-sink?
>>>> And another question - why I don't see any video-sinks in the pipeline?
>>>>       
>>> why should playbin add the videosink to the pipleine if its not needed.
>>> GST_DEBUG_BIN_TO_DOT_FILE() only shows the elements that are in the
>>> pipeline, your videosink is not.
>>>     
>> If I see messages from the videosink, then it's added to the playbin,
>> right?
>>
> No. It is instantiated.
> 
Sorry, I don't understand. How many instances of videosink has my
application?

My code is like the following

GstElement *m_player;
GstElement *m_videosink;

void open(char *filename)
{
  ...
  m_player=gst_element_factory_make("playbin2","player");
  m_videosink=gst_element_factory_make("directdrawsink","videosink");
  g_object_set(m_player,"video-sink",m_videosink);
...
}

I don't call gst_object_unref(m_videosink) in the open(). 
And even calls to this in close(), where I set m_player state to NULL and
unref all objects, caused segmentation violations.

I think, my application has one videosink instance. Right?
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