static gboolean src_activate_mode(GstPad *pad, GstObject *parent, GstPadMode mode, gboolean active)
{
GstErDtlsEnc *self = GST_ER_DTLS_ENC (parent);
gboolean success = TRUE;
g_return_val_if_fail(mode == GST_PAD_MODE_PUSH, FALSE);
if (active) {
GST_DEBUG_OBJECT(self, "src pad activating in push mode");
self->send_initial_events = TRUE;
success = gst_pad_start_task(pad, (GstTaskFunction) src_task_loop, self->src, NULL);
if (!success) {
GST_WARNING_OBJECT(self, "failed to activate pad task");
}
} else {
GST_DEBUG_OBJECT(self, "deactivating src pad");
g_mutex_lock(&self->queue_lock);
GST_PAD_MODE(pad) = GST_PAD_MODE_NONE;
g_cond_signal(&self->queue_cond_add);
g_mutex_unlock(&self->queue_lock);
success = gst_pad_stop_task(pad);
if (!success) {
GST_WARNING_OBJECT(self, "failed to deactivate pad task");
}
}
return success;
}
static gboolean progress_buffer_src_event(GstPad *pad, GstObject *parent, GstEvent *event)
{
ProgressBuffer *element = PROGRESS_BUFFER(parent);
if (GST_PAD_MODE(pad) == GST_PAD_MODE_PUSH)
{
switch (GST_EVENT_TYPE (event))
{
case GST_EVENT_SEEK:
return progress_buffer_perform_push_seek(element, pad, event);
default:
break;
}
}
else if (GST_PAD_MODE(pad) == GST_PAD_MODE_PULL) // Isolate the source element from all upcoming events
{
// INLINE - gst_event_unref()
gst_event_unref(event);
return TRUE;
}
return gst_pad_event_default(pad, parent, event);
}
static void
gst_type_find_element_have_type (GstTypeFindElement * typefind,
guint probability, GstCaps * caps)
{
GstEvent *event;
g_assert (caps != NULL);
GST_INFO_OBJECT (typefind, "found caps %" GST_PTR_FORMAT ", probability=%u",
caps, probability);
/* Do nothing if downstream is pulling from us */
if (GST_PAD_MODE (typefind->src) == GST_PAD_MODE_PULL)
return;
GST_OBJECT_LOCK (typefind);
/* Now actually send the CAPS event downstream.
*
* Try to directly send the CAPS event downstream that we created in
* gst_type_find_element_emit_have_type() if it is still there, instead
* of creating a new one. No need to create an equivalent one, replacing
* it in the sticky event list and possibly causing renegotiation
*/
event = gst_pad_get_sticky_event (typefind->src, GST_EVENT_CAPS, 0);
if (event) {
GstCaps *event_caps;
gst_event_parse_caps (event, &event_caps);
if (caps != event_caps) {
gst_event_unref (event);
event = gst_event_new_caps (caps);
}
} else {
event = gst_event_new_caps (caps);
}
GST_OBJECT_UNLOCK (typefind);
gst_pad_push_event (typefind->src, event);
}
