static GstPadLinkReturn
gst_frame_store_link_src (GstPad *pad, GstPad *peer)
{
GstPadLinkReturn result = GST_PAD_LINK_OK;
GstFrameStore *fs;
fs = GST_FRAME_STORE(gst_pad_get_parent(pad));
if (GST_PAD_LINKFUNC (peer)) {
result = GST_PAD_LINKFUNC(peer) (peer, pad);
}
if (GST_PAD_LINK_SUCCESSFUL (result)) {
g_mutex_lock (fs->lock);
fs->srcresult = GST_FLOW_OK;
if (fs->srcresult == GST_FLOW_OK) {
gst_pad_start_task (pad, (GstTaskFunction) gst_frame_store_task,
pad);
} else {
GST_DEBUG("not starting task");
/* not starting task */
}
g_mutex_unlock (fs->lock);
}
gst_object_unref (fs);
return result;
}
static GstPadLinkReturn
gst_ghost_pad_do_link (GstPad * pad, GstPad * peer)
{
GstPadLinkReturn ret;
GstPad *internal;
GST_DEBUG_OBJECT (pad, "linking ghostpad");
internal = GST_PROXY_PAD_INTERNAL (pad);
if (!gst_proxy_pad_set_target (internal, peer))
goto target_failed;
ret = GST_PAD_LINK_OK;
/* if we are a source pad, we should call the peer link function
* if the peer has one, see design docs. */
if (GST_PAD_IS_SRC (pad)) {
if (GST_PAD_LINKFUNC (peer)) {
ret = GST_PAD_LINKFUNC (peer) (peer, pad);
if (ret != GST_PAD_LINK_OK)
goto link_failed;
}
}
return ret;
/* ERRORS */
target_failed:
{
GST_DEBUG_OBJECT (pad, "setting target failed");
return GST_PAD_LINK_REFUSED;
}
link_failed:
{
GST_DEBUG_OBJECT (pad, "linking failed");
/* clear target again */
gst_proxy_pad_set_target (internal, NULL);
return ret;
}
}