/****************************************************
* GstElement vmetods *
****************************************************/
static GstPad *
_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name, const GstCaps * caps)
{
GstPad *audioresample_srcpad, *audioconvert_sinkpad, *tmpghost;
GstPad *ghost;
GstElement *audioconvert, *audioresample;
PadInfos *infos = g_slice_new0 (PadInfos);
GESSmartAdder *self = GES_SMART_ADDER (element);
infos->adder_pad = gst_element_request_pad (self->adder, templ, NULL, caps);
if (infos->adder_pad == NULL) {
GST_WARNING_OBJECT (element, "Could not get any pad from GstAdder");
return NULL;
}
infos->self = self;
infos->bin = gst_bin_new (NULL);
audioconvert = gst_element_factory_make ("audioconvert", NULL);
audioresample = gst_element_factory_make ("audioresample", NULL);
gst_bin_add_many (GST_BIN (infos->bin), audioconvert, audioresample, NULL);
gst_element_link_many (audioconvert, audioresample, NULL);
audioconvert_sinkpad = gst_element_get_static_pad (audioconvert, "sink");
tmpghost = GST_PAD (gst_ghost_pad_new (NULL, audioconvert_sinkpad));
gst_object_unref (audioconvert_sinkpad);
gst_pad_set_active (tmpghost, TRUE);
gst_element_add_pad (GST_ELEMENT (infos->bin), tmpghost);
gst_bin_add (GST_BIN (self), infos->bin);
ghost = gst_ghost_pad_new (NULL, tmpghost);
gst_pad_set_active (ghost, TRUE);
if (!gst_element_add_pad (GST_ELEMENT (self), ghost))
goto could_not_add;
audioresample_srcpad = gst_element_get_static_pad (audioresample, "src");
tmpghost = GST_PAD (gst_ghost_pad_new (NULL, audioresample_srcpad));
gst_object_unref (audioresample_srcpad);
gst_pad_set_active (tmpghost, TRUE);
gst_element_add_pad (GST_ELEMENT (infos->bin), tmpghost);
gst_pad_link (tmpghost, infos->adder_pad);
LOCK (self);
g_hash_table_insert (self->pads_infos, ghost, infos);
UNLOCK (self);
GST_DEBUG_OBJECT (self, "Returning new pad %" GST_PTR_FORMAT, ghost);
return ghost;
could_not_add:
{
GST_ERROR_OBJECT (self, "could not add pad");
destroy_pad (infos);
return NULL;
}
}
/****************************************************
* GstElement vmetods *
****************************************************/
static GstPad *
_request_new_pad (GstElement * element, GstPadTemplate * templ,
const gchar * name, const GstCaps * caps)
{
GstPad *videoconvert_srcpad, *videoconvert_sinkpad, *tmpghost;
PadInfos *infos = g_slice_new0 (PadInfos);
GESSmartMixer *self = GES_SMART_MIXER (element);
GstPad *ghost;
GstElement *videoconvert;
infos->mixer_pad = gst_element_request_pad (self->mixer,
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (self->mixer),
"sink_%u"), NULL, NULL);
if (infos->mixer_pad == NULL) {
GST_WARNING_OBJECT (element, "Could not get any pad from GstMixer");
g_slice_free (PadInfos, infos);
return NULL;
}
infos->self = self;
infos->bin = gst_bin_new (NULL);
videoconvert = gst_element_factory_make ("videoconvert", NULL);
gst_bin_add (GST_BIN (infos->bin), videoconvert);
videoconvert_sinkpad = gst_element_get_static_pad (videoconvert, "sink");
tmpghost = GST_PAD (gst_ghost_pad_new (NULL, videoconvert_sinkpad));
gst_object_unref (videoconvert_sinkpad);
gst_pad_set_active (tmpghost, TRUE);
gst_element_add_pad (GST_ELEMENT (infos->bin), tmpghost);
gst_bin_add (GST_BIN (self), infos->bin);
ghost = gst_ghost_pad_new (NULL, tmpghost);
gst_pad_set_active (ghost, TRUE);
if (!gst_element_add_pad (GST_ELEMENT (self), ghost))
goto could_not_add;
videoconvert_srcpad = gst_element_get_static_pad (videoconvert, "src");
tmpghost = GST_PAD (gst_ghost_pad_new (NULL, videoconvert_srcpad));
gst_object_unref (videoconvert_srcpad);
gst_pad_set_active (tmpghost, TRUE);
gst_element_add_pad (GST_ELEMENT (infos->bin), tmpghost);
gst_pad_link (tmpghost, infos->mixer_pad);
infos->probe_id =
gst_pad_add_probe (infos->mixer_pad, GST_PAD_PROBE_TYPE_BUFFER,
(GstPadProbeCallback) parse_metadata, self, NULL);
LOCK (self);
g_hash_table_insert (self->pads_infos, ghost, infos);
UNLOCK (self);
GST_DEBUG_OBJECT (self, "Returning new pad %" GST_PTR_FORMAT, ghost);
return ghost;
could_not_add:
{
GST_ERROR_OBJECT (self, "could not add pad");
destroy_pad (infos);
return NULL;
}
}
