GstElement* _pipeline = nullptr;
GstElement* _reader = nullptr;
GstElement* _demuxer = nullptr;
GstElement* _videoDecoder = nullptr;
GstElement* _videoStream = nullptr;

GstElement* MakePlaybackPipeline(const char* path)
{
	GstElement* result = gst_pipeline_new("VideoPlayback");

	//init file reding
	_reader = gst_element_factory_make("filesrc", "Reader");
	g_object_set(_reader, "location", path, NULL);

	//init video demuxing
	_demuxer = gst_element_factory_make("matroskademux", "Demuxer");
	g_signal_connect(_demuxer, "pad-added", G_CALLBACK(NewPadAdded), this);

	//init video videoDecoder
	_videoDecoder = gst_element_factory_make("jpegdec", "VideoDecoder");

	//init video processor
	_videoStream = gst_element_factory_make("autovideosink", "VideoFrame");

	//build the pipeline
	gst_bin_add_many(GST_BIN(result),
				_reader, _demuxer,
				_videoDecoder,
				_videoStream,
				NULL
			);

	//link common elemets
	if ((bool)gst_element_link(_reader, _demuxer) != true) { throw 5; }

	//link video elemets
	if ((bool)gst_element_link(_videoDecoder, _videoStream) != true) { throw 5; }

	return result;
}

//link video pad
void NewPadAdded(GstElement* element,GstPad* pad, void* data)
{
	GStreamerPlayer* player = (GStreamerPlayer*)data;
	gchar *name = gst_pad_get_name(pad);

	GstPad* decoderPad = gst_element_get_static_pad(player->_videoDecoder, "sink");

	if (name[0] == 'v') //video_0
		gst_pad_link(pad, decoderPad );
}

main()
{
	_pipeline = MakePlaybackPipeline("C:\\VideoID\\Video\\1474531038942.mkv");

	//start recording
	GstStateChangeReturn status;
	status = gst_element_set_state(_pipeline, GST_STATE_PLAYING);
	if (status == GST_STATE_CHANGE_FAILURE)
	{
		throw 1;
	}

//some other code
}