//FIXME this should be part of the library
void
shmdata_base_reader_clean_element (GstElement *element)
{
if (element != NULL && GST_IS_ELEMENT(element)
&& GST_STATE_CHANGE_FAILURE != GST_STATE_RETURN(element)) {
{ // unlinking pads
GstIterator *pad_iter = gst_element_iterate_pads(element);
gst_iterator_foreach(pad_iter, (GFunc) shmdata_base_reader_unlink_pad, NULL);
gst_iterator_free(pad_iter);
}
{ // releasing request pads
GstIterator *pad_iter = gst_element_iterate_pads(element);
gst_iterator_foreach(pad_iter,
(GFunc) shmdata_base_reader_release_request_pad,
element);
gst_iterator_free(pad_iter);
}
GstState state = GST_STATE_TARGET(element);
if (state != GST_STATE_NULL) {
if (GST_STATE_CHANGE_ASYNC ==
gst_element_set_state(element, GST_STATE_NULL)) {
while (GST_STATE(element) != GST_STATE_NULL) {
// warning this may be blocking
gst_element_get_state(element, NULL, NULL,
GST_CLOCK_TIME_NONE);
}
}
}
if (GST_IS_BIN(gst_element_get_parent(element)))
gst_bin_remove(GST_BIN(gst_element_get_parent(element)), element);
else
gst_object_unref(element);
}
}
static void
gst_streamid_demux_reset (GstStreamidDemux * demux)
{
GstIterator *it = NULL;
GstIteratorResult itret = GST_ITERATOR_OK;
GST_OBJECT_LOCK (demux);
if (demux->active_srcpad != NULL)
demux->active_srcpad = NULL;
demux->nb_srcpads = 0;
GST_OBJECT_UNLOCK (demux);
if (demux->stream_id_pairs != NULL) {
g_hash_table_unref (demux->stream_id_pairs);
demux->stream_id_pairs = NULL;
}
it = gst_element_iterate_src_pads (GST_ELEMENT_CAST (demux));
while (itret == GST_ITERATOR_OK || itret == GST_ITERATOR_RESYNC) {
itret =
gst_iterator_foreach (it,
(GstIteratorForeachFunction) gst_streamid_demux_release_srcpad, demux);
if (itret == GST_ITERATOR_RESYNC)
gst_iterator_resync (it);
}
gst_iterator_free (it);
}
static GstStateChangeReturn
fs_funnel_change_state (GstElement *element, GstStateChange transition)
{
FsFunnel *funnel = FS_FUNNEL (element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
GstIterator *iter = gst_element_iterate_sink_pads (element);
GstIteratorResult res;
do {
res = gst_iterator_foreach (iter, reset_pad, NULL);
} while (res == GST_ITERATOR_RESYNC);
gst_iterator_free (iter);
if (res == GST_ITERATOR_ERROR)
return GST_STATE_CHANGE_FAILURE;
GST_OBJECT_LOCK (funnel);
funnel->has_segment = FALSE;
GST_OBJECT_UNLOCK (funnel);
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
return ret;
}
static GstStateChangeReturn
gst_funnel_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret;
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
{
GstIterator *iter = gst_element_iterate_sink_pads (element);
GstIteratorResult res;
do {
res = gst_iterator_foreach (iter, reset_pad, element);
if (res == GST_ITERATOR_RESYNC)
gst_iterator_resync (iter);
} while (res == GST_ITERATOR_RESYNC);
gst_iterator_free (iter);
if (res == GST_ITERATOR_ERROR)
return GST_STATE_CHANGE_FAILURE;
}
break;
default:
break;
}
return ret;
}
static void
gst_tee_pull_eos (GstTee * tee)
{
GstIterator *iter;
iter = gst_element_iterate_src_pads (GST_ELEMENT (tee));
gst_iterator_foreach (iter, (GstIteratorForeachFunction) gst_tee_push_eos,
tee);
gst_iterator_free (iter);
}
void
nle_object_seek_all_children (NleObject * object, GstEvent * seek_event)
{
GstIterator *it = gst_bin_iterate_recurse (GST_BIN (object));
while (gst_iterator_foreach (it, _send_seek_event,
seek_event) == GST_ITERATOR_RESYNC)
gst_iterator_resync (it);
gst_iterator_free (it);
gst_event_unref (seek_event);
}
gboolean gstreamer_run_pipeline(GMainLoop *loop, const char *s, StartupState state) {
main_set_real_time_scheduling_policy();
GError *error = NULL;
pipeline = gst_parse_launch(s, &error);
if (!pipeline) {
printf("Error: Could not create gstreamer pipeline.\n");
printf("Parse error: %s\n", error->message);
return FALSE;
}
bus_quit_on_playing = FALSE;
GstBus *bus;
bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
bus_watch_id = gst_bus_add_watch(bus, bus_callback, loop);
if (main_have_gui())
#if GST_CHECK_VERSION(1, 0, 0)
gst_bus_set_sync_handler(bus, (GstBusSyncHandler)bus_sync_handler, NULL, NULL);
#else
gst_bus_set_sync_handler(bus, (GstBusSyncHandler)bus_sync_handler, NULL);
#endif
gst_object_unref(bus);
// Iterate over all elements of the pipeline to hook a handler
// listing newly created pads.
if (created_pads_list != NULL) {
g_list_free(created_pads_list);
created_pads_list = NULL;
}
GstIterator *iterator = gst_bin_iterate_elements(GST_BIN(pipeline));
gst_iterator_foreach(iterator, for_each_pipeline_element, NULL);
gst_iterator_free(iterator);
stats_reset();
gst_element_set_state(pipeline, GST_STATE_READY);
state_change_to_playing_already_occurred = FALSE;
if (state == STARTUP_PLAYING)
gst_element_set_state(pipeline, GST_STATE_PLAYING);
else
gst_element_set_state(pipeline, GST_STATE_PAUSED);
pipeline_description = s;
end_of_stream = FALSE;
inform_pipeline_destroyed_cb_list = NULL;
return TRUE;
}
static gboolean gst_sctp_dec_packet_event(GstPad *pad, GstSctpDec *self, GstEvent *event)
{
switch (GST_EVENT_TYPE(event)) {
case GST_EVENT_STREAM_START:
case GST_EVENT_CAPS:
/* We create our own stream-start events and the caps event does not
* make sense */
gst_event_unref(event);
return TRUE;
case GST_EVENT_EOS:
/* Drop this, we're never EOS until shut down */
gst_event_unref(event);
return TRUE;
case GST_EVENT_FLUSH_START: {
GstIterator *it;
it = gst_element_iterate_src_pads(GST_ELEMENT(self));
while (gst_iterator_foreach(it, flush_srcpad, GINT_TO_POINTER(TRUE)) == GST_ITERATOR_RESYNC)
gst_iterator_resync(it);
gst_iterator_free(it);
return gst_pad_event_default(pad, GST_OBJECT(self), event);
}
case GST_EVENT_FLUSH_STOP: {
GstIterator *it;
it = gst_element_iterate_src_pads(GST_ELEMENT(self));
while (gst_iterator_foreach(it, flush_srcpad, GINT_TO_POINTER(FALSE)) == GST_ITERATOR_RESYNC)
gst_iterator_resync(it);
gst_iterator_free(it);
return gst_pad_event_default(pad, GST_OBJECT(self), event);
}
default:
return gst_pad_event_default(pad, GST_OBJECT(self), event);
}
}
static void
fps_display_sink_update_sink_sync (GstFPSDisplaySink * self)
{
GstIterator *iterator;
if (self->video_sink == NULL)
return;
if (GST_IS_BIN (self->video_sink)) {
iterator = gst_bin_iterate_sinks (GST_BIN (self->video_sink));
gst_iterator_foreach (iterator, (GFunc) update_sub_sync,
(void *) &self->sync);
gst_iterator_free (iterator);
} else
update_sub_sync (self->video_sink, (void *) &self->sync);
}
