* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
* Copyright (C) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* Copyright (C) 2005 Jan Schmidt <thaytan@mad.scientist.com>
+ * Copyright (C) 2007 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
-/*
- * !!!!!!!!!!!!!!!!! Big phat warning. !!!!!!!!!!!!!!!!!!!!!!
- *
- * This is not a generic switch element. This is not to be used for
- * any such purpose. Patches to make it do that will be rejected.
- */
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
"N-to-1 input stream_selectoring",
"Julien Moutte <julien@moutte.net>\n"
"Ronald S. Bultje <rbultje@ronald.bitfreak.net>\n"
- "Jan Schmidt <thaytan@mad.scientist.com>");
+ "Jan Schmidt <thaytan@mad.scientist.com>\n"
+ "Wim Taymans <wim.taymans@gmail.com>");
static GstStaticPadTemplate gst_stream_selector_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink%d",
PROP_ACTIVE_PAD = 1
};
+static gboolean gst_stream_selector_is_active_sinkpad (GstStreamSelector * sel,
+ GstPad * pad);
+static GstPad *gst_stream_selector_activate_sinkpad (GstStreamSelector * sel,
+ GstPad * pad);
+static GstPad *gst_stream_selector_get_linked_pad (GstPad * pad,
+ gboolean strict);
+
+#define GST_TYPE_SELECTOR_PAD \
+ (gst_selector_pad_get_type())
+#define GST_SELECTOR_PAD(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SELECTOR_PAD, GstSelectorPad))
+#define GST_SELECTOR_PAD_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SELECTOR_PAD, GstSelectorPadClass))
+#define GST_IS_SELECTOR_PAD(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SELECTOR_PAD))
+#define GST_IS_SELECTOR_PAD_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SELECTOR_PAD))
+#define GST_SELECTOR_PAD_CAST(obj) \
+ ((GstSelectorPad *)(obj))
+
+typedef struct _GstSelectorPad GstSelectorPad;
+typedef struct _GstSelectorPadClass GstSelectorPadClass;
+
+struct _GstSelectorPad
+{
+ GstPad parent;
+
+ gboolean active;
+ gboolean eos;
+ gboolean segment_pending;
+ GstSegment segment;
+};
+
+struct _GstSelectorPadClass
+{
+ GstPadClass parent;
+};
+
+static void gst_selector_pad_class_init (GstSelectorPadClass * klass);
+static void gst_selector_pad_init (GstSelectorPad * pad);
+static void gst_selector_pad_finalize (GObject * object);
+
+static GstPadClass *selector_pad_parent_class = NULL;
+
+static void gst_selector_pad_reset (GstSelectorPad * pad);
+static gboolean gst_selector_pad_event (GstPad * pad, GstEvent * event);
+static GstCaps *gst_selector_pad_getcaps (GstPad * pad);
+static GList *gst_selector_pad_get_linked_pads (GstPad * pad);
+static GstFlowReturn gst_selector_pad_chain (GstPad * pad, GstBuffer * buf);
+static GstFlowReturn gst_selector_pad_bufferalloc (GstPad * pad,
+ guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
+
+static GType
+gst_selector_pad_get_type (void)
+{
+ static GType selector_pad_type = 0;
+
+ if (!selector_pad_type) {
+ static const GTypeInfo selector_pad_info = {
+ sizeof (GstSelectorPadClass),
+ NULL,
+ NULL,
+ (GClassInitFunc) gst_selector_pad_class_init,
+ NULL,
+ NULL,
+ sizeof (GstSelectorPad),
+ 0,
+ (GInstanceInitFunc) gst_selector_pad_init,
+ };
+
+ selector_pad_type =
+ g_type_register_static (GST_TYPE_PAD, "GstSelectorPad",
+ &selector_pad_info, 0);
+ }
+ return selector_pad_type;
+}
+
+static void
+gst_selector_pad_class_init (GstSelectorPadClass * klass)
+{
+ GObjectClass *gobject_class;
+
+ gobject_class = (GObjectClass *) klass;
+
+ selector_pad_parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class->finalize = gst_selector_pad_finalize;
+}
+
+static void
+gst_selector_pad_init (GstSelectorPad * pad)
+{
+}
+
+static void
+gst_selector_pad_finalize (GObject * object)
+{
+ GstSelectorPad *pad;
+
+ pad = GST_SELECTOR_PAD_CAST (object);
+
+ G_OBJECT_CLASS (selector_pad_parent_class)->finalize (object);
+}
+
+static void
+gst_selector_pad_reset (GstSelectorPad * pad)
+{
+ pad->active = FALSE;
+ pad->eos = FALSE;
+ gst_segment_init (&pad->segment, GST_FORMAT_UNDEFINED);
+}
+
+/* strictly get the linked pad from the sinkpad. If the pad is active we return
+ * the srcpad else we return NULL */
+static GList *
+gst_selector_pad_get_linked_pads (GstPad * pad)
+{
+ GstPad *otherpad;
+
+ otherpad = gst_stream_selector_get_linked_pad (pad, TRUE);
+ if (!otherpad)
+ return NULL;
+
+ /* need to drop the ref, internal linked pads is not MT safe */
+ gst_object_unref (otherpad);
+
+ return g_list_append (NULL, otherpad);
+}
+
+static gboolean
+gst_selector_pad_event (GstPad * pad, GstEvent * event)
+{
+ gboolean res = TRUE;
+ gboolean forward = TRUE;
+ GstStreamSelector *sel;
+ GstSelectorPad *selpad;
+
+ sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
+ selpad = GST_SELECTOR_PAD_CAST (pad);
+
+ /* only forward if we are dealing with the active sinkpad */
+ forward = gst_stream_selector_is_active_sinkpad (sel, pad);
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_FLUSH_STOP:
+ gst_selector_pad_reset (selpad);
+ break;
+ case GST_EVENT_NEWSEGMENT:
+ {
+ gboolean update;
+ GstFormat format;
+ gdouble rate, arate;
+ gint64 start, stop, time;
+
+ gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
+ &start, &stop, &time);
+
+ GST_DEBUG_OBJECT (sel,
+ "configured NEWSEGMENT update %d, rate %lf, applied rate %lf, "
+ "format %d, "
+ "%" G_GINT64_FORMAT " -- %" G_GINT64_FORMAT ", time %"
+ G_GINT64_FORMAT, update, rate, arate, format, start, stop, time);
+
+ gst_segment_set_newsegment_full (&selpad->segment, update,
+ rate, arate, format, start, stop, time);
+ /* if we are not going to forward the segment, mark the segment as
+ * pending */
+ if (!forward)
+ selpad->segment_pending = TRUE;
+ break;
+ }
+ case GST_EVENT_EOS:
+ selpad->eos = TRUE;
+ break;
+ default:
+ break;
+ }
+ if (forward)
+ res = gst_pad_push_event (sel->srcpad, event);
+
+ gst_object_unref (sel);
+
+ return res;
+}
+
+static GstCaps *
+gst_selector_pad_getcaps (GstPad * pad)
+{
+ GstStreamSelector *sel;
+ GstCaps *caps;
+
+ sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
+
+ GST_DEBUG_OBJECT (sel, "Getting caps of srcpad peer");
+ caps = gst_pad_peer_get_caps (sel->srcpad);
+ if (caps == NULL)
+ caps = gst_caps_new_any ();
+
+ gst_object_unref (sel);
+
+ return caps;
+}
+
+static GstFlowReturn
+gst_selector_pad_bufferalloc (GstPad * pad, guint64 offset,
+ guint size, GstCaps * caps, GstBuffer ** buf)
+{
+ GstStreamSelector *sel;
+ GstFlowReturn result;
+ GstPad *active_sinkpad;
+
+ sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
+
+ active_sinkpad = gst_stream_selector_activate_sinkpad (sel, pad);
+
+ /* Fallback allocation for buffers from pads except the selected one */
+ if (pad != active_sinkpad) {
+ GST_DEBUG_OBJECT (sel,
+ "Pad %s:%s is not selected. Performing fallback allocation",
+ GST_DEBUG_PAD_NAME (pad));
+
+ *buf = NULL;
+ result = GST_FLOW_OK;
+ } else {
+ result = gst_pad_alloc_buffer (sel->srcpad, offset, size, caps, buf);
+
+ /* FIXME: HACK. If buffer alloc returns not-linked, perform a fallback
+ * allocation. This should NOT be necessary, because playbin should
+ * properly block the source pad from running until it's finished hooking
+ * everything up, but playbin needs refactoring first. */
+ if (result == GST_FLOW_NOT_LINKED) {
+ GST_DEBUG_OBJECT (sel,
+ "No peer pad yet - performing fallback allocation for pad %s:%s",
+ GST_DEBUG_PAD_NAME (pad));
+
+ *buf = NULL;
+ result = GST_FLOW_OK;
+ }
+ }
+
+ gst_object_unref (sel);
+
+ return result;
+}
+
+static GstFlowReturn
+gst_selector_pad_chain (GstPad * pad, GstBuffer * buf)
+{
+ GstStreamSelector *sel;
+ GstFlowReturn res;
+ GstPad *active_sinkpad;
+ GstSelectorPad *selpad;
+ GstClockTime timestamp;
+ GstSegment *seg;
+
+ sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
+ selpad = GST_SELECTOR_PAD_CAST (pad);
+ seg = &selpad->segment;
+
+ active_sinkpad = gst_stream_selector_activate_sinkpad (sel, pad);
+
+ timestamp = GST_BUFFER_TIMESTAMP (buf);
+ if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
+ GST_DEBUG_OBJECT (sel, "received timestamp %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (timestamp));
+ gst_segment_set_last_stop (seg, seg->format, timestamp);
+ }
+
+ /* Ignore buffers from pads except the selected one */
+ if (pad != active_sinkpad)
+ goto ignore;
+
+ /* if we have a pending segment, push it out now */
+ if (selpad->segment_pending) {
+ gst_pad_push_event (sel->srcpad, gst_event_new_new_segment_full (FALSE,
+ seg->rate, seg->applied_rate, seg->format, seg->start, seg->stop,
+ seg->time));
+
+ selpad->segment_pending = FALSE;
+ }
+
+ /* forward */
+ GST_DEBUG_OBJECT (sel, "Forwarding buffer %p from pad %s:%s", buf,
+ GST_DEBUG_PAD_NAME (pad));
+ res = gst_pad_push (sel->srcpad, buf);
+done:
+ gst_object_unref (sel);
+ return res;
+ /* dropped buffers */
+ignore:
+ {
+ GST_DEBUG_OBJECT (sel, "Ignoring buffer %p from pad %s:%s",
+ buf, GST_DEBUG_PAD_NAME (pad));
+ gst_buffer_unref (buf);
+ res = GST_FLOW_NOT_LINKED;
+ goto done;
+ }
+
+}
+
static void gst_stream_selector_dispose (GObject * object);
static void gst_stream_selector_init (GstStreamSelector * sel);
static void gst_stream_selector_base_init (GstStreamSelectorClass * klass);
static void gst_stream_selector_class_init (GstStreamSelectorClass * klass);
-
-static GstCaps *gst_stream_selector_getcaps (GstPad * pad);
-static GList *gst_stream_selector_get_linked_pads (GstPad * pad);
+static void gst_stream_selector_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_stream_selector_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
static GstPad *gst_stream_selector_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * unused);
-static GstFlowReturn gst_stream_selector_chain (GstPad * pad, GstBuffer * buf);
-static void gst_stream_selector_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_stream_selector_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-static GstFlowReturn gst_stream_selector_bufferalloc (GstPad * pad,
- guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
-
+static void gst_stream_selector_release_pad (GstElement * element,
+ GstPad * pad);
+static GList *gst_stream_selector_get_linked_pads (GstPad * pad);
+static GstCaps *gst_stream_selector_getcaps (GstPad * pad);
static GstElementClass *parent_class = NULL;
GType
0,
(GInstanceInitFunc) gst_stream_selector_init,
};
-
stream_selector_type =
g_type_register_static (GST_TYPE_ELEMENT,
"GstStreamSelector", &stream_selector_info, 0);
-
GST_DEBUG_CATEGORY_INIT (stream_selector_debug,
"streamselector", 0, "A stream-selector element");
}
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details (element_class, &gst_stream_selector_details);
-
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_stream_selector_sink_factory));
gst_element_class_add_pad_template (element_class,
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
-
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_stream_selector_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_stream_selector_get_property);
-
g_object_class_install_property (gobject_class, PROP_ACTIVE_PAD,
- g_param_spec_string ("active-pad", "Active pad", "Name of the currently"
- " active sink pad", NULL, G_PARAM_READWRITE));
-
+ g_param_spec_string ("active-pad", "Active pad",
+ "Name of the currently" " active sink pad", NULL, G_PARAM_READWRITE));
gobject_class->dispose = gst_stream_selector_dispose;
-
gstelement_class->request_new_pad = gst_stream_selector_request_new_pad;
+ gstelement_class->release_pad = gst_stream_selector_release_pad;
}
static void
gst_pad_set_getcaps_function (sel->srcpad,
GST_DEBUG_FUNCPTR (gst_stream_selector_getcaps));
gst_element_add_pad (GST_ELEMENT (sel), sel->srcpad);
-
/* sinkpad management */
sel->active_sinkpad = NULL;
sel->nb_sinkpads = 0;
-
- //GST_OBJECT_FLAG_SET (sel, GST_ELEMENT_WORK_IN_PLACE);
+ gst_segment_init (&sel->segment, GST_FORMAT_UNDEFINED);
}
static void
GstPad *pad = NULL;
GstPad **active_pad_p;
- if (strcmp (pad_name, "") != 0) {
+ if (strcmp (pad_name, "") != 0)
pad = gst_element_get_pad (GST_ELEMENT (object), pad_name);
- }
-
GST_OBJECT_LOCK (object);
- if (pad == sel->active_sinkpad) {
- GST_OBJECT_UNLOCK (object);
- if (pad)
- gst_object_unref (pad);
- break;
+ if (pad != sel->active_sinkpad) {
+ GstSelectorPad *selpad;
+
+ selpad = GST_SELECTOR_PAD_CAST (pad);
+ /* we can only activate pads that have data received */
+ if (selpad && !selpad->active) {
+ GST_DEBUG_OBJECT (sel, "No data received on pad %" GST_PTR_FORMAT,
+ pad);
+ } else {
+ active_pad_p = &sel->active_sinkpad;
+ gst_object_replace ((GstObject **) active_pad_p,
+ GST_OBJECT_CAST (pad));
+ GST_DEBUG_OBJECT (sel, "New active pad is %" GST_PTR_FORMAT,
+ sel->active_sinkpad);
+ }
}
-#if 0
- if (sel->active_sinkpad && (GST_STATE (sel) >= GST_STATE_PAUSED)) {
- gst_pad_set_active (sel->active_sinkpad, FALSE);
- GST_DEBUG_OBJECT (sel, "Deactivating pad %" GST_PTR_FORMAT,
- sel->active_sinkpad);
- }
-#endif
-
- active_pad_p = &sel->active_sinkpad;
- gst_object_replace ((GstObject **) active_pad_p, GST_OBJECT_CAST (pad));
+ GST_OBJECT_UNLOCK (object);
if (pad)
gst_object_unref (pad);
-
-#if 0
- if (sel->active_sinkpad && (GST_STATE (sel) >= GST_STATE_PAUSED)) {
- gst_pad_set_active (sel->active_sinkpad, TRUE);
- GST_DEBUG_OBJECT (sel, "Activating pad %" GST_PTR_FORMAT,
- sel->active_sinkpad);
- }
-#endif
- GST_DEBUG_OBJECT (sel, "New active pad is %" GST_PTR_FORMAT,
- sel->active_sinkpad);
- GST_OBJECT_UNLOCK (object);
break;
}
default:
static GstPad *
gst_stream_selector_get_linked_pad (GstPad * pad, gboolean strict)
{
- GstStreamSelector *sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
+ GstStreamSelector *sel;
GstPad *otherpad = NULL;
+ sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
+ GST_OBJECT_LOCK (sel);
if (pad == sel->srcpad)
otherpad = sel->active_sinkpad;
else if (pad == sel->active_sinkpad || !strict)
otherpad = sel->srcpad;
-
+ if (otherpad)
+ gst_object_ref (otherpad);
+ GST_OBJECT_UNLOCK (sel);
gst_object_unref (sel);
-
return otherpad;
}
static GstCaps *
gst_stream_selector_getcaps (GstPad * pad)
{
- GstPad *otherpad = gst_stream_selector_get_linked_pad (pad, FALSE);
+ GstPad *otherpad;
GstObject *parent;
+ GstCaps *caps;
+ otherpad = gst_stream_selector_get_linked_pad (pad, FALSE);
parent = gst_object_get_parent (GST_OBJECT (pad));
if (!otherpad) {
GST_DEBUG_OBJECT (parent,
"Pad %s:%s not linked, returning ANY", GST_DEBUG_PAD_NAME (pad));
-
- gst_object_unref (parent);
- return gst_caps_new_any ();
+ caps = gst_caps_new_any ();
+ } else {
+ GST_DEBUG_OBJECT (parent,
+ "Pad %s:%s is linked (to %s:%s), returning peer caps",
+ GST_DEBUG_PAD_NAME (pad), GST_DEBUG_PAD_NAME (otherpad));
+ /* if the peer has caps, use those. If the pad is not linked, this function
+ * returns NULL and we return ANY */
+ if (!(caps = gst_pad_peer_get_caps (otherpad)))
+ caps = gst_caps_new_any ();
+ gst_object_unref (otherpad);
}
- GST_DEBUG_OBJECT (parent,
- "Pad %s:%s is linked (to %s:%s), returning allowed-caps",
- GST_DEBUG_PAD_NAME (pad), GST_DEBUG_PAD_NAME (otherpad));
-
gst_object_unref (parent);
-
- return gst_pad_peer_get_caps (otherpad);
+ return caps;
}
-static GstFlowReturn
-gst_stream_selector_bufferalloc (GstPad * pad, guint64 offset,
- guint size, GstCaps * caps, GstBuffer ** buf)
+/* check if the pad is the active sinkpad */
+static gboolean
+gst_stream_selector_is_active_sinkpad (GstStreamSelector * sel, GstPad * pad)
{
- GstStreamSelector *sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
- GstFlowReturn result;
- GstPad *active_sinkpad;
+ GstSelectorPad *selpad;
+ gboolean res;
+
+ selpad = GST_SELECTOR_PAD_CAST (pad);
GST_OBJECT_LOCK (sel);
- active_sinkpad = sel->active_sinkpad;
+ res = (pad == sel->active_sinkpad);
GST_OBJECT_UNLOCK (sel);
- /* Fallback allocation for buffers from pads except the selected one */
- if (pad != active_sinkpad) {
- GST_DEBUG_OBJECT (sel,
- "Pad %s:%s is not selected. Performing fallback allocation",
- GST_DEBUG_PAD_NAME (pad));
+ return res;
+}
- *buf = NULL;
- result = GST_FLOW_OK;
- } else {
- result = gst_pad_alloc_buffer (sel->srcpad, offset, size, caps, buf);
+/* Get or create the active sinkpad */
+static GstPad *
+gst_stream_selector_activate_sinkpad (GstStreamSelector * sel, GstPad * pad)
+{
+ GstPad *active_sinkpad;
+ GstSelectorPad *selpad;
- /* FIXME: HACK. If buffer alloc returns not-linked, perform a fallback
- * allocation. This should NOT be necessary, because playbin should
- * properly block the source pad from running until it's finished hooking
- * everything up, but playbin needs refactoring first. */
- if (result == GST_FLOW_NOT_LINKED) {
- GST_DEBUG_OBJECT (sel,
- "No peer pad yet - performing fallback allocation for pad %s:%s",
- GST_DEBUG_PAD_NAME (pad));
+ selpad = GST_SELECTOR_PAD_CAST (pad);
- *buf = NULL;
- result = GST_FLOW_OK;
- }
+ GST_OBJECT_LOCK (sel);
+ selpad->active = TRUE;
+ active_sinkpad = sel->active_sinkpad;
+ if (active_sinkpad == NULL) {
+ /* first pad we get an alloc on becomes the activated pad by default */
+ active_sinkpad = sel->active_sinkpad = gst_object_ref (pad);
+ GST_DEBUG_OBJECT (sel, "Activating pad %s:%s", GST_DEBUG_PAD_NAME (pad));
}
+ GST_OBJECT_UNLOCK (sel);
- gst_object_unref (sel);
-
- return result;
+ return active_sinkpad;
}
static GList *
gst_stream_selector_get_linked_pads (GstPad * pad)
{
- GstPad *otherpad = gst_stream_selector_get_linked_pad (pad, TRUE);
+ GstPad *otherpad;
+ otherpad = gst_stream_selector_get_linked_pad (pad, TRUE);
if (!otherpad)
return NULL;
-
+ /* need to drop the ref, internal linked pads is not MT safe */
+ gst_object_unref (otherpad);
return g_list_append (NULL, otherpad);
}
gst_stream_selector_request_new_pad (GstElement * element,
GstPadTemplate * templ, const gchar * unused)
{
- GstStreamSelector *sel = GST_STREAM_SELECTOR (element);
+ GstStreamSelector *sel;
gchar *name = NULL;
GstPad *sinkpad = NULL;
+ sel = GST_STREAM_SELECTOR (element);
g_return_val_if_fail (templ->direction == GST_PAD_SINK, NULL);
-
GST_LOG_OBJECT (sel, "Creating new pad %d", sel->nb_sinkpads);
-
GST_OBJECT_LOCK (sel);
name = g_strdup_printf ("sink%d", sel->nb_sinkpads++);
- sinkpad = gst_pad_new_from_template (templ, name);
+ sinkpad = g_object_new (GST_TYPE_SELECTOR_PAD,
+ "name", name, "direction", templ->direction, "template", templ, NULL);
g_free (name);
-
- if (sel->active_sinkpad == NULL)
- sel->active_sinkpad = gst_object_ref (sinkpad);
GST_OBJECT_UNLOCK (sel);
+ gst_pad_set_event_function (sinkpad,
+ GST_DEBUG_FUNCPTR (gst_selector_pad_event));
gst_pad_set_getcaps_function (sinkpad,
- GST_DEBUG_FUNCPTR (gst_stream_selector_getcaps));
+ GST_DEBUG_FUNCPTR (gst_selector_pad_getcaps));
gst_pad_set_chain_function (sinkpad,
- GST_DEBUG_FUNCPTR (gst_stream_selector_chain));
+ GST_DEBUG_FUNCPTR (gst_selector_pad_chain));
gst_pad_set_internal_link_function (sinkpad,
- GST_DEBUG_FUNCPTR (gst_stream_selector_get_linked_pads));
+ GST_DEBUG_FUNCPTR (gst_selector_pad_get_linked_pads));
gst_pad_set_bufferalloc_function (sinkpad,
- GST_DEBUG_FUNCPTR (gst_stream_selector_bufferalloc));
+ GST_DEBUG_FUNCPTR (gst_selector_pad_bufferalloc));
gst_pad_set_active (sinkpad, TRUE);
gst_element_add_pad (GST_ELEMENT (sel), sinkpad);
-
return sinkpad;
}
-static GstFlowReturn
-gst_stream_selector_chain (GstPad * pad, GstBuffer * buf)
+static void
+gst_stream_selector_release_pad (GstElement * element, GstPad * pad)
{
- GstStreamSelector *sel = GST_STREAM_SELECTOR (gst_pad_get_parent (pad));
- GstFlowReturn res;
- GstPad *active_sinkpad;
+ GstStreamSelector *sel;
- GST_OBJECT_LOCK (sel);
- active_sinkpad = sel->active_sinkpad;
- GST_OBJECT_UNLOCK (sel);
+ sel = GST_STREAM_SELECTOR (element);
+ GST_LOG_OBJECT (sel, "Releasing pad %s:%s", GST_DEBUG_PAD_NAME (pad));
- /* Ignore buffers from pads except the selected one */
- if (pad != active_sinkpad) {
- GST_DEBUG_OBJECT (sel, "Ignoring buffer %p from pad %s:%s",
- buf, GST_DEBUG_PAD_NAME (pad));
-
- gst_object_unref (sel);
- gst_buffer_unref (buf);
- return GST_FLOW_NOT_LINKED;
+ GST_OBJECT_LOCK (sel);
+ /* if the pad was the active pad, makes us select a new one */
+ if (sel->active_sinkpad == pad) {
+ GST_DEBUG_OBJECT (sel, "Deactivating pad %s:%s", GST_DEBUG_PAD_NAME (pad));
+ sel->active_sinkpad = NULL;
}
+ GST_OBJECT_UNLOCK (sel);
- /* forward */
- GST_DEBUG_OBJECT (sel, "Forwarding buffer %p from pad %s:%s",
- buf, GST_DEBUG_PAD_NAME (pad));
- res = gst_pad_push (sel->srcpad, buf);
-
- gst_object_unref (sel);
-
- return res;
+ gst_pad_set_active (pad, FALSE);
+ gst_element_remove_pad (GST_ELEMENT (sel), pad);
}
projects / platform / upstream / gst-plugins-base.git / commitdiff