C++ (Cpp) configure_caps Examples

Example #1

File: gstdspvpp.c Project: kpykc/ardrone2_gstreamer

static gboolean
sink_setcaps(GstPad *pad,
	     GstCaps *caps)
{
	GstDspVpp *self;
	GstDspBase *base;
	GstCaps *out_caps;
	gboolean ret;

	self = GST_DSP_VPP(GST_PAD_PARENT(pad));
	base = GST_DSP_BASE(self);

	{
		gchar *str = gst_caps_to_string(caps);
		pr_info(self, "sink caps: %s", str);
		g_free(str);
	}

	base->codec = &td_vpp_codec;

	du_port_alloc_buffers(base->ports[0], 4);
	du_port_alloc_buffers(base->ports[1], 4);

	out_caps = gst_caps_new_empty();
	configure_caps(self, caps, out_caps);
	base->tmp_caps = out_caps;

	ret = gst_pad_set_caps(pad, caps);

	if (!ret)
		return FALSE;

	return TRUE;
}

Example #2

File: gstdspadec.c Project: EQ4/gst-dsp

static gboolean
sink_setcaps(GstPad *pad,
	     GstCaps *caps)
{
	GstDspADec *self;
	GstDspBase *base;
	GstStructure *in_struc;
	const char *name;
	GstCaps *out_caps;

	self = GST_DSP_ADEC(GST_PAD_PARENT(pad));
	base = GST_DSP_BASE(self);

	{
		gchar *str = gst_caps_to_string(caps);
		pr_info(self, "sink caps: %s", str);
		g_free(str);
	}

	in_struc = gst_caps_get_structure(caps, 0);

	name = gst_structure_get_name(in_struc);
	if (strcmp(name, "audio/mpeg") == 0) {
		int version = 1;

		gst_structure_get_int(in_struc, "mpegversion", &version);
		if (version == 2 || version == 4) {
			base->alg = GSTDSP_AACDEC;
			base->codec = &td_aacdec_codec;
		}
	}

	du_port_alloc_buffers(base->ports[0], 4);
	du_port_alloc_buffers(base->ports[1], 4);

	out_caps = gst_caps_new_empty();
	configure_caps(self, caps, out_caps);
	base->tmp_caps = out_caps;

	return TRUE;
}