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-rw-r--r--ext/gconf/gstswitchsink.c270
1 files changed, 0 insertions, 270 deletions
diff --git a/ext/gconf/gstswitchsink.c b/ext/gconf/gstswitchsink.c
deleted file mode 100644
index 1fccf683f..000000000
--- a/ext/gconf/gstswitchsink.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/* GStreamer
- * Copyright (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
- * Copyright (c) 2006 Jürg Billeter <j@bitron.ch>
- * Copyright (c) 2007 Jan Schmidt <thaytan@noraisin.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-
-#include "gstswitchsink.h"
-
-GST_DEBUG_CATEGORY_STATIC (switch_debug);
-#define GST_CAT_DEFAULT switch_debug
-
-static void gst_switch_sink_dispose (GObject * object);
-static GstStateChangeReturn
-gst_switch_sink_change_state (GstElement * element, GstStateChange transition);
-
-enum
-{
- PROP_0
-};
-
-GST_BOILERPLATE (GstSwitchSink, gst_switch_sink, GstBin, GST_TYPE_BIN);
-
-static void
-gst_switch_sink_base_init (gpointer klass)
-{
- GST_DEBUG_CATEGORY_INIT (switch_debug, "switchsink", 0, "switchsink element");
-}
-
-static void
-gst_switch_sink_class_init (GstSwitchSinkClass * klass)
-{
- GObjectClass *oklass = G_OBJECT_CLASS (klass);
- GstElementClass *eklass = GST_ELEMENT_CLASS (klass);
- static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS_ANY);
- GstPadTemplate *child_pad_templ;
-
- oklass->dispose = gst_switch_sink_dispose;
- eklass->change_state = gst_switch_sink_change_state;
-
- /* Provide a default pad template if the child didn't */
- child_pad_templ = gst_element_class_get_pad_template (eklass, "sink");
- if (child_pad_templ == NULL) {
- gst_element_class_add_pad_template (eklass,
- gst_static_pad_template_get (&sink_template));
- }
-}
-
-static gboolean
-gst_switch_sink_reset (GstSwitchSink * sink)
-{
- /* this will install fakesink if no other child has been set,
- * otherwise we rely on the subclass to know when to unset its
- * custom kid */
- if (sink->kid == NULL) {
- return gst_switch_sink_set_child (sink, NULL);
- }
-
- return TRUE;
-}
-
-static void
-gst_switch_sink_init (GstSwitchSink * sink, GstSwitchSinkClass * g_class)
-{
- GstElementClass *eklass = GST_ELEMENT_GET_CLASS (sink);
- GstPadTemplate *templ;
-
- templ = gst_element_class_get_pad_template (eklass, "sink");
- sink->pad = gst_ghost_pad_new_no_target_from_template ("sink", templ);
- gst_element_add_pad (GST_ELEMENT (sink), sink->pad);
-
- gst_switch_sink_reset (sink);
-
- GST_OBJECT_FLAG_SET (sink, GST_ELEMENT_IS_SINK);
-}
-
-static void
-gst_switch_sink_dispose (GObject * object)
-{
- GstSwitchSink *sink = GST_SWITCH_SINK (object);
- GstObject *new_kid, *kid;
-
- GST_OBJECT_LOCK (sink);
- new_kid = GST_OBJECT_CAST (sink->new_kid);
- sink->new_kid = NULL;
-
- kid = GST_OBJECT_CAST (sink->kid);
- sink->kid = NULL;
- GST_OBJECT_UNLOCK (sink);
-
- gst_object_replace (&new_kid, NULL);
- gst_object_replace (&kid, NULL);
-
- GST_CALL_PARENT (G_OBJECT_CLASS, dispose, (object));
-}
-
-static gboolean
-gst_switch_sink_commit_new_kid (GstSwitchSink * sink)
-{
- GstPad *targetpad;
- GstState kid_state;
- GstElement *new_kid, *old_kid;
- gboolean is_fakesink = FALSE;
- GstBus *bus;
-
- /* need locking around member accesses */
- GST_OBJECT_LOCK (sink);
- /* If we're currently changing state, set the child to the next state
- * we're transitioning too, rather than our current state which is
- * about to change */
- if (GST_STATE_NEXT (sink) != GST_STATE_VOID_PENDING)
- kid_state = GST_STATE_NEXT (sink);
- else
- kid_state = GST_STATE (sink);
-
- new_kid = sink->new_kid ? gst_object_ref (sink->new_kid) : NULL;
- sink->new_kid = NULL;
- GST_OBJECT_UNLOCK (sink);
-
- /* Fakesink by default if NULL is passed as the new child */
- if (new_kid == NULL) {
- GST_DEBUG_OBJECT (sink, "Replacing kid with fakesink");
- new_kid = gst_element_factory_make ("fakesink", "testsink");
- if (new_kid == NULL) {
- GST_ERROR_OBJECT (sink, "Failed to create fakesink");
- return FALSE;
- }
- /* Add a reference, as it would if the element came from sink->new_kid */
- gst_object_ref (new_kid);
- g_object_set (new_kid, "sync", TRUE, NULL);
- is_fakesink = TRUE;
- } else {
- GST_DEBUG_OBJECT (sink, "Setting new kid");
- }
-
- /* set temporary bus of our own to catch error messages from the child
- * (could we just set our own bus on it, or would the state change messages
- * from the not-yet-added element confuse the state change algorithm? Let's
- * play it safe for now) */
- bus = gst_bus_new ();
- gst_element_set_bus (new_kid, bus);
- gst_object_unref (bus);
-
- if (gst_element_set_state (new_kid, kid_state) == GST_STATE_CHANGE_FAILURE) {
- GstMessage *msg;
-
- /* check if child posted an error message and if so re-post it on our bus
- * so that the application gets to see a decent error and not our generic
- * fallback error message which is completely indecipherable to the user */
- msg = gst_bus_pop_filtered (GST_ELEMENT_BUS (new_kid), GST_MESSAGE_ERROR);
- if (msg) {
- GST_INFO_OBJECT (sink, "Forwarding kid error: %" GST_PTR_FORMAT, msg);
- gst_element_post_message (GST_ELEMENT (sink), msg);
- }
- GST_ELEMENT_ERROR (sink, CORE, STATE_CHANGE, (NULL),
- ("Failed to set state on new child."));
- gst_element_set_bus (new_kid, NULL);
- gst_object_unref (new_kid);
- return FALSE;
- }
- gst_element_set_bus (new_kid, NULL);
- gst_bin_add (GST_BIN (sink), new_kid);
-
- /* Now, replace the existing child */
- GST_OBJECT_LOCK (sink);
- old_kid = sink->kid;
- sink->kid = new_kid;
- /* Mark whether a custom kid or fakesink has been installed */
- sink->have_kid = !is_fakesink;
- GST_OBJECT_UNLOCK (sink);
-
- /* kill old element */
- if (old_kid) {
- GST_DEBUG_OBJECT (sink, "Removing old kid %" GST_PTR_FORMAT, old_kid);
- gst_element_set_state (old_kid, GST_STATE_NULL);
- gst_bin_remove (GST_BIN (sink), old_kid);
- gst_object_unref (old_kid);
- /* Don't lose the SINK flag */
- GST_OBJECT_FLAG_SET (sink, GST_ELEMENT_IS_SINK);
- }
-
- /* re-attach ghostpad */
- GST_DEBUG_OBJECT (sink, "Creating new ghostpad");
- targetpad = gst_element_get_static_pad (sink->kid, "sink");
- gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad);
- gst_object_unref (targetpad);
- GST_DEBUG_OBJECT (sink, "done changing child of switchsink");
-
- /* FIXME: Push new-segment info and pre-roll buffer(s) into the kid */
-
- return TRUE;
-}
-
-gboolean
-gst_switch_sink_set_child (GstSwitchSink * sink, GstElement * new_kid)
-{
- GstState cur, next;
- GstElement **p_kid;
-
- /* Nothing to do if clearing the child and we've already installed fakesink */
- if (new_kid == NULL && sink->kid != NULL && sink->have_kid == FALSE)
- return TRUE;
-
- /* Store the new kid to be committed later */
- GST_OBJECT_LOCK (sink);
- cur = GST_STATE (sink);
- next = GST_STATE_NEXT (sink);
- p_kid = &sink->new_kid;
- gst_object_replace ((GstObject **) p_kid, (GstObject *) new_kid);
- GST_OBJECT_UNLOCK (sink);
- if (new_kid)
- gst_object_unref (new_kid);
-
- /* Sometime, it would be lovely to allow sink changes even when
- * already running, but this involves sending an appropriate new-segment
- * and possibly prerolling etc */
- /* FIXME: Block the pad and replace the kid when it completes */
- if (cur > GST_STATE_READY || next == GST_STATE_PAUSED) {
- GST_DEBUG_OBJECT (sink,
- "Switch-sink is already running. Ignoring change of child.");
- gst_object_unref (new_kid);
- return TRUE;
- }
-
- return gst_switch_sink_commit_new_kid (sink);
-}
-
-static GstStateChangeReturn
-gst_switch_sink_change_state (GstElement * element, GstStateChange transition)
-{
- GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
- GstSwitchSink *sink = GST_SWITCH_SINK (element);
-
- ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
- (element, transition), GST_STATE_CHANGE_SUCCESS);
-
- switch (transition) {
- case GST_STATE_CHANGE_READY_TO_NULL:
- if (!gst_switch_sink_reset (sink))
- ret = GST_STATE_CHANGE_FAILURE;
- break;
- default:
- break;
- }
-
- return ret;
-}