*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
* SECTION:element-output-selector
+ * @title: output-selector
* @see_also: #GstOutputSelector, #GstInputSelector
*
* Direct input stream to one out of N output pads.
- *
- * Since: 0.10.32
*/
#ifdef HAVE_CONFIG_H
GST_PAD_REQUEST,
GST_STATIC_CAPS_ANY);
-enum GstOutputSelectorPadNegotiationMode
-{
- GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE,
- GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL,
- GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ACTIVE
-};
#define GST_TYPE_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE (gst_output_selector_pad_negotiation_mode_get_type())
static GType
gst_output_selector_pad_negotiation_mode_get_type (void)
{
static GType pad_negotiation_mode_type = 0;
- static GEnumValue pad_negotiation_modes[] = {
+ static const GEnumValue pad_negotiation_modes[] = {
{GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE, "None", "none"},
{GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL, "All", "all"},
{GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ACTIVE, "Active", "active"},
g_object_class_install_property (gobject_class, PROP_ACTIVE_PAD,
g_param_spec_object ("active-pad", "Active pad",
"Currently active src pad", GST_TYPE_PAD,
- G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ G_PARAM_READWRITE | GST_PARAM_MUTABLE_PLAYING |
+ G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_RESEND_LATEST,
g_param_spec_boolean ("resend-latest", "Resend latest buffer",
"Resend latest buffer after a switch to a new pad", FALSE,
DEFAULT_PAD_NEGOTIATION_MODE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
- gst_element_class_set_details_simple (gstelement_class, "Output selector",
+ gst_element_class_set_static_metadata (gstelement_class, "Output selector",
"Generic", "1-to-N output stream selector",
"Stefan Kost <stefan.kost@nokia.com>");
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_output_selector_sink_factory));
- gst_element_class_add_pad_template (gstelement_class,
- gst_static_pad_template_get (&gst_output_selector_src_factory));
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_output_selector_sink_factory);
+ gst_element_class_add_static_pad_template (gstelement_class,
+ &gst_output_selector_src_factory);
gstelement_class->request_new_pad =
GST_DEBUG_FUNCPTR (gst_output_selector_request_new_pad);
static void
gst_output_selector_reset (GstOutputSelector * osel)
{
+ GST_OBJECT_LOCK (osel);
if (osel->pending_srcpad != NULL) {
gst_object_unref (osel->pending_srcpad);
osel->pending_srcpad = NULL;
}
+
if (osel->latest_buffer != NULL) {
gst_buffer_unref (osel->latest_buffer);
osel->latest_buffer = NULL;
}
+ GST_OBJECT_UNLOCK (osel);
gst_segment_init (&osel->segment, GST_FORMAT_UNDEFINED);
}
gst_element_add_pad (GST_ELEMENT (osel), srcpad);
/* Set the first requested src pad as active by default */
+ GST_OBJECT_LOCK (osel);
if (osel->active_srcpad == NULL) {
osel->active_srcpad = srcpad;
+ GST_OBJECT_UNLOCK (osel);
+ g_object_notify (G_OBJECT (osel), "active-pad");
+ } else {
+ GST_OBJECT_UNLOCK (osel);
}
g_free (padname);
GST_DEBUG_OBJECT (osel, "releasing pad");
+ /* Disable active pad if it's the to be removed pad */
+ GST_OBJECT_LOCK (osel);
+ if (osel->active_srcpad == pad) {
+ osel->active_srcpad = NULL;
+ GST_OBJECT_UNLOCK (osel);
+ g_object_notify (G_OBJECT (osel), "active-pad");
+ } else {
+ GST_OBJECT_UNLOCK (osel);
+ }
+
gst_pad_set_active (pad, FALSE);
gst_element_remove_pad (GST_ELEMENT_CAST (osel), pad);
gboolean res = FALSE;
GstEvent *ev = NULL;
GstSegment *seg = NULL;
- gint64 start = 0, position = 0;
+ GstPad *active_srcpad;
/* Switch */
- GST_OBJECT_LOCK (GST_OBJECT (osel));
+ GST_OBJECT_LOCK (osel);
GST_INFO_OBJECT (osel, "switching to pad %" GST_PTR_FORMAT,
osel->pending_srcpad);
+ if (!osel->pending_srcpad) {
+ GST_OBJECT_UNLOCK (osel);
+ return TRUE;
+ }
+
if (gst_pad_is_linked (osel->pending_srcpad)) {
osel->active_srcpad = osel->pending_srcpad;
res = TRUE;
}
gst_object_unref (osel->pending_srcpad);
osel->pending_srcpad = NULL;
- GST_OBJECT_UNLOCK (GST_OBJECT (osel));
+ active_srcpad = res ? gst_object_ref (osel->active_srcpad) : NULL;
+ GST_OBJECT_UNLOCK (osel);
/* Send SEGMENT event and latest buffer if switching succeeded
* and we already have a valid segment configured */
if (res) {
+ GstBuffer *latest_buffer;
+
+ g_object_notify (G_OBJECT (osel), "active-pad");
+
+ GST_OBJECT_LOCK (osel);
+ latest_buffer =
+ osel->latest_buffer ? gst_buffer_ref (osel->latest_buffer) : NULL;
+ GST_OBJECT_UNLOCK (osel);
+
+ gst_pad_sticky_events_foreach (osel->sinkpad, forward_sticky_events,
+ active_srcpad);
+
+ /* update segment if required */
if (osel->segment.format != GST_FORMAT_UNDEFINED) {
/* Send SEGMENT to the pad we are going to switch to */
seg = &osel->segment;
/* If resending then mark segment start and position accordingly */
- if (osel->resend_latest && osel->latest_buffer &&
- GST_BUFFER_TIMESTAMP_IS_VALID (osel->latest_buffer)) {
- start = position = GST_BUFFER_TIMESTAMP (osel->latest_buffer);
- } else {
- start = position = seg->position;
+ if (osel->resend_latest && latest_buffer &&
+ GST_BUFFER_TIMESTAMP_IS_VALID (latest_buffer)) {
+ seg->position = GST_BUFFER_TIMESTAMP (latest_buffer);
}
- seg->start = start;
- seg->position = position;
ev = gst_event_new_segment (seg);
- if (!gst_pad_push_event (osel->active_srcpad, ev)) {
+ if (!gst_pad_push_event (active_srcpad, ev)) {
GST_WARNING_OBJECT (osel,
- "newsegment handling failed in %" GST_PTR_FORMAT,
- osel->active_srcpad);
+ "newsegment handling failed in %" GST_PTR_FORMAT, active_srcpad);
}
}
/* Resend latest buffer to newly switched pad */
- if (osel->resend_latest && osel->latest_buffer) {
+ if (osel->resend_latest && latest_buffer) {
GST_INFO ("resending latest buffer");
- gst_pad_push (osel->active_srcpad, gst_buffer_ref (osel->latest_buffer));
+ gst_pad_push (active_srcpad, latest_buffer);
+ } else if (latest_buffer) {
+ gst_buffer_unref (latest_buffer);
}
+
+ gst_object_unref (active_srcpad);
} else {
GST_WARNING_OBJECT (osel, "switch failed, pad not linked");
}
GstFlowReturn res;
GstOutputSelector *osel;
GstClockTime position, duration;
+ GstPad *active_srcpad;
osel = GST_OUTPUT_SELECTOR (parent);
gst_output_selector_switch (osel);
}
+ active_srcpad = gst_output_selector_get_active (osel);
+ if (!active_srcpad) {
+ GST_DEBUG_OBJECT (osel, "No active srcpad");
+ gst_buffer_unref (buf);
+ return GST_FLOW_OK;
+ }
+
+ GST_OBJECT_LOCK (osel);
if (osel->latest_buffer) {
gst_buffer_unref (osel->latest_buffer);
osel->latest_buffer = NULL;
/* Keep reference to latest buffer to resend it after switch */
osel->latest_buffer = gst_buffer_ref (buf);
}
+ GST_OBJECT_UNLOCK (osel);
- /* Keep track of last stop and use it in NEWSEGMENT start after
+ /* Keep track of last stop and use it in SEGMENT start after
switching to a new src pad */
position = GST_BUFFER_TIMESTAMP (buf);
if (GST_CLOCK_TIME_IS_VALID (position)) {
osel->segment.position = position;
}
- GST_LOG_OBJECT (osel, "pushing buffer to %" GST_PTR_FORMAT,
- osel->active_srcpad);
- res = gst_pad_push (osel->active_srcpad, buf);
+ GST_LOG_OBJECT (osel, "pushing buffer to %" GST_PTR_FORMAT, active_srcpad);
+ res = gst_pad_push (active_srcpad, buf);
+
+ gst_object_unref (active_srcpad);
return res;
}
}
static gboolean
+gst_output_selector_forward_event (GstOutputSelector * sel, GstEvent * event)
+{
+ gboolean res = TRUE;
+ GstPad *active;
+
+ switch (sel->pad_negotiation_mode) {
+ case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL:
+ /* Send to all src pads */
+ res = gst_pad_event_default (sel->sinkpad, GST_OBJECT_CAST (sel), event);
+ break;
+ case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE:
+ gst_event_unref (event);
+ break;
+ default:
+ active = gst_output_selector_get_active (sel);
+ if (active) {
+ res = gst_pad_push_event (active, event);
+ gst_object_unref (active);
+ } else {
+ gst_event_unref (event);
+ }
+ break;
+ }
+
+ return res;
+}
+
+static gboolean
gst_output_selector_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
gboolean res = TRUE;
sel = GST_OUTPUT_SELECTOR (parent);
switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_CAPS:
+ case GST_EVENT_EOS:
{
- switch (sel->pad_negotiation_mode) {
- case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_ALL:
- /* Send caps to all src pads */
- res = gst_pad_event_default (pad, parent, event);
- break;
- case GST_OUTPUT_SELECTOR_PAD_NEGOTIATION_MODE_NONE:
- gst_event_unref (event);
- break;
- default:
- active = gst_output_selector_get_active (sel);
- if (active) {
- res = gst_pad_push_event (active, event);
- gst_object_unref (active);
- } else {
- gst_event_unref (event);
- }
- break;
- }
+ res = gst_output_selector_forward_event (sel, event);
break;
}
case GST_EVENT_SEGMENT:
{
gst_event_copy_segment (event, &sel->segment);
-
GST_DEBUG_OBJECT (sel, "configured SEGMENT %" GST_SEGMENT_FORMAT,
&sel->segment);
-
- /* Send newsegment to all src pads */
- res = gst_pad_event_default (pad, parent, event);
- break;
+ /* fall through */
}
- case GST_EVENT_EOS:
- /* Send eos to all src pads */
- res = gst_pad_event_default (pad, parent, event);
- break;
default:
{
- /* Send other events to pending or active src pad */
active = gst_output_selector_get_active (sel);
if (active) {
res = gst_pad_push_event (active, event);
}
break;
}
+ case GST_QUERY_DRAIN:
+ if (sel->latest_buffer) {
+ gst_buffer_unref (sel->latest_buffer);
+ sel->latest_buffer = NULL;
+ }
+ /* fall through */
default:
res = gst_pad_query_default (pad, parent, query);
break;
}
+
return res;
}
projects / platform / upstream / gstreamer.git / blobdiff