static GstPad *
gst_mxf_mux_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * pad_name)
{
GstMXFMux *mux = GST_MXF_MUX (element);
GstMXFMuxPad *cpad;
GstPad *pad = NULL;
guint pad_number;
gchar *name = NULL;
const MXFEssenceElementWriter *writer;
if (mux->state != GST_MXF_MUX_STATE_HEADER) {
GST_WARNING_OBJECT (mux, "Can't request pads after writing header");
return NULL;
}
writer = mxf_essence_element_writer_find (templ);
if (!writer) {
GST_ERROR_OBJECT (mux, "Not our template");
return NULL;
}
pad_number = g_atomic_int_exchange_and_add ((gint *) & mux->n_pads, 1);
name = gst_mxf_mux_create_pad_name (templ, pad_number);
GST_DEBUG_OBJECT (mux, "Creating pad '%s'", name);
pad = gst_pad_new_from_template (templ, name);
g_free (name);
cpad = (GstMXFMuxPad *)
gst_collect_pads_add_pad (mux->collect, pad, sizeof (GstMXFMuxPad));
cpad->last_timestamp = 0;
cpad->adapter = gst_adapter_new ();
cpad->writer = writer;
/* FIXME: hacked way to override/extend the event function of
* GstCollectPads; because it sets its own event function giving the
* element no access to events.
*/
mux->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (pad);
gst_pad_set_event_function (pad,
GST_DEBUG_FUNCPTR (gst_mxf_mux_handle_sink_event));
gst_pad_set_setcaps_function (pad, gst_mxf_mux_setcaps);
gst_pad_use_fixed_caps (pad);
gst_pad_set_active (pad, TRUE);
gst_element_add_pad (element, pad);
return pad;
}
static GstPad *
gst_mxf_mux_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * pad_name, const GstCaps * caps)
{
GstMXFMux *mux = GST_MXF_MUX (element);
GstMXFMuxPad *cpad;
GstPad *pad = NULL;
guint pad_number;
gchar *name = NULL;
const MXFEssenceElementWriter *writer;
if (mux->state != GST_MXF_MUX_STATE_HEADER) {
GST_WARNING_OBJECT (mux, "Can't request pads after writing header");
return NULL;
}
writer = mxf_essence_element_writer_find (templ);
if (!writer) {
GST_ERROR_OBJECT (mux, "Not our template");
return NULL;
}
pad_number = g_atomic_int_add ((gint *) & mux->n_pads, 1);
name = gst_mxf_mux_create_pad_name (templ, pad_number);
GST_DEBUG_OBJECT (mux, "Creating pad '%s'", name);
pad = gst_pad_new_from_template (templ, name);
g_free (name);
cpad = (GstMXFMuxPad *)
gst_collect_pads_add_pad (mux->collect, pad, sizeof (GstMXFMuxPad), NULL,
TRUE);
cpad->last_timestamp = 0;
cpad->adapter = gst_adapter_new ();
cpad->writer = writer;
gst_pad_use_fixed_caps (pad);
gst_pad_set_active (pad, TRUE);
gst_element_add_pad (element, pad);
return pad;
}
static GstAggregatorPad *
gst_mxf_mux_create_new_pad (GstAggregator * aggregator,
GstPadTemplate * templ, const gchar * pad_name, const GstCaps * caps)
{
GstMXFMux *mux = GST_MXF_MUX (aggregator);
GstMXFMuxPad *pad;
guint pad_number;
gchar *name = NULL;
const MXFEssenceElementWriter *writer;
if (mux->state != GST_MXF_MUX_STATE_HEADER) {
GST_WARNING_OBJECT (mux, "Can't request pads after writing header");
return NULL;
}
writer = mxf_essence_element_writer_find (templ);
if (!writer) {
GST_ERROR_OBJECT (mux, "Not our template");
return NULL;
}
pad_number = g_atomic_int_add ((gint *) & mux->n_pads, 1);
name = gst_mxf_mux_create_pad_name (templ, pad_number);
GST_DEBUG_OBJECT (mux, "Creating pad '%s'", name);
pad =
g_object_new (GST_TYPE_MXF_MUX_PAD, "name", name, "direction",
GST_PAD_SINK, "template", templ, NULL);
g_free (name);
pad->last_timestamp = 0;
pad->adapter = gst_adapter_new ();
pad->writer = writer;
gst_pad_use_fixed_caps (GST_PAD_CAST (pad));
return GST_AGGREGATOR_PAD (pad);
}