[gst-devel] gst_x_overlay_set_xwindow_id - Compiling Problem

[giorgio]

Sorry,
I found the problem.
The gst_x_overlay_set_xwindow_id is included in libgstinterfaces-0.10.so
library.

Giorgio.




Il giorno mar, 27/04/2010 alle 09.45 +0200, giorgio ha scritto:
> Hi,
> I want tu use QT to create a simple GUI application to play a local
> video file in a specific window o in a specific QT Widget.
> I have already succeeded in implementation an GStreamer pipeline using
> decodebin or playbin element.
> I am able to compile my c++ program property.
> 
> My g++ command line include GStream Path and library like:
> 
> arm-linux-g++ -Wl,-rpath, .......
> ......
> .....
> Waveplayertest.o    
> -L/usr/local/Trolltech/QtEmbedded-4.6.2-arm/lib
> -L/home/giorgio/freescale/ltib/rootfs/usr/lib 
> -lQtGui 
> -L/home/giorgio/freescale/ltib/rootfs/lib
> -L/usr/local/Trolltech/QtEmbedded-4.6.2-arm/lib 
> -lQtNetwork -lQtCore -lts -lpthread -lasound 
> -lgstreamer-0.10 -lgobject-2.0 -lgmodule-2.0 -lgthread-2.0 -lrt -lxml2
> -lglib-2.0 -lz 
> 
> 
> Now I need to use a gst_x_overlay_set_xwindow_id to pass the windows
> handle to GStreamer in order to show a video frame in a specific window.
> 
> Ex:
> 
> 	#include <gst/gst.h>
> 	#include <gst/interfaces/xoverlay.h>
> ...
> ...
> 	gst_init (NULL, NULL);
> 	pipeline = gst_pipeline_new ("player");
> ...
> ...
> 	gst_element_set_state (GST_ELEMENT (sink), GST_STATE_READY);
> 	QApplication::syncX();
> 	gst_x_overlay_set_xwindow_id(GST_X_OVERLAY(sink),this->winId());
> ...
> ...
> 
> 
> Now I can't longer compile my program and I get always an link error.
> This is the error message:
> 
> ......
> ......
> debug/waveplayertest.o: In function `WavePlayerTest::play_uri(char*)':
> /home/giorgio/workspace/WavePlayerTest/waveplayertest.cpp:710: undefined
> reference to `gst_x_overlay_get_type'
> /home/giorgio/workspace/WavePlayerTest/waveplayertest.cpp:710: undefined
> reference to `gst_x_overlay_set_xwindow_id'
> collect2: ld returned 1 exit status
> ......
> ......
> 
> Which library (.SO) should I include in my linker to use the
> gst_x_overlay_set_xwindow_id() function?
> I thought that these libraries ( lgstreamer-0.10 -lgobject-2.0
> -lgmodule-2.0 -lgthread-2.0 -lrt -lxml2 -lglib-2.0 -lz ) 
> were sufficient but it seems that this is not true.
> 
> There may be another problem?
> 
> 
> Thanks,
> Giorgio.
> 
> 
> 
> 
> 
> 
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