changes to spider: add padtemplates so the connect functions can connect two request-pad elements add a hack in gstel...

Original commit message from CVS:
* changes to spider:
* add padtemplates so the connect functions can connect two request-pad
elements
* add a hack in gstelement.c. please look at this, Company, and see how
we can get around this
* add backwards caps-propagation support in identity, int2float, float2int,
adder, speed, volume
This commit is contained in:
Andy Wingo 2002-02-19 05:59:06 +00:00
parent f1e09f94aa
commit e730de0bce

View file

@ -110,16 +110,18 @@ static GstElementClass *parent_class = NULL;
//static guint gst_filter_signals[LAST_SIGNAL] = { 0 };
static GstPadConnectReturn
speed_connect_sink (GstPad *pad, GstCaps *caps)
speed_connect (GstPad *pad, GstCaps *caps)
{
GstSpeed *filter;
GstPad *otherpad;
filter = GST_SPEED (gst_pad_get_parent (pad));
g_return_val_if_fail (filter != NULL, GST_PAD_CONNECT_REFUSED);
g_return_val_if_fail (GST_IS_SPEED (filter), GST_PAD_CONNECT_REFUSED);
otherpad = (pad == filter->srcpad ? filter->sinkpad : filter->srcpad);
if (GST_CAPS_IS_FIXED (caps)) {
if (!speed_parse_caps (filter, caps) || !gst_pad_try_set_caps (filter->srcpad, caps))
if (!speed_parse_caps (filter, caps) || !gst_pad_try_set_caps (otherpad, caps))
return GST_PAD_CONNECT_REFUSED;
return GST_PAD_CONNECT_OK;
@ -219,9 +221,10 @@ static void
speed_init (GstSpeed *filter)
{
filter->sinkpad = gst_pad_new_from_template(speed_sink_factory (),"sink");
gst_pad_set_connect_function(filter->sinkpad,speed_connect_sink);
gst_pad_set_connect_function(filter->sinkpad,speed_connect);
gst_pad_set_bufferpool_function (filter->sinkpad, speed_sink_get_bufferpool);
filter->srcpad = gst_pad_new_from_template(speed_src_factory (),"src");
gst_pad_set_connect_function(filter->srcpad,speed_connect);
gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
gst_element_add_pad(GST_ELEMENT(filter),filter->srcpad);