Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 193 insertions, 0 deletions

diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/mssync.c b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/mssync.c
new file mode 100644
index 00000000..7656211b
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/third_party/mediastreamer/mssync.c
@@ -0,0 +1,193 @@
+/*
+  The mediastreamer library aims at providing modular media processing and I/O
+	for linphone, but also for any telephony application.
+  Copyright (C) 2001  Simon MORLAT simon.morlat@linphone.org
+  										
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser 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
+*/
+
+#include "mssync.h"
+#include <errno.h>
+
+/* TODO:
+	-define an uninit function that free the mutex
+*/
+
+/**
+ * function_name:ms_sync_get_bytes_per_tick
+ * @sync:  A #MSSync object.
+ *
+ * Returns the number of bytes per tick. This is a usefull information for sources, so
+ * that they can know how much data they must deliver each time they are called.
+ *
+ */
+
+/* private */
+void ms_sync_init(MSSync *sync)
+{	
+	sync->klass=NULL;  
+	sync->lock=g_mutex_new();
+	sync->thread_cond=g_cond_new();
+	sync->stop_cond=g_cond_new();
+	sync->attached_filters=NULL;
+	sync->execution_list=NULL;
+	sync->filters=0;
+	sync->run=0;
+	sync->flags=0;
+	sync->samples_per_tick=0;
+	sync->ticks=0;
+	sync->time=0;
+	sync->thread=NULL;
+}
+
+void ms_sync_class_init(MSSyncClass *klass)
+{
+	klass->max_filters=0;
+	klass->synchronize=NULL;
+	klass->attach=ms_sync_attach_generic;
+	klass->detach=ms_sync_detach_generic;
+	klass->destroy=NULL;
+}
+
+/* public*/
+
+
+/**
+ * ms_sync_attach:
+ * @sync:  A #MSSync object.
+ * @f:  A #MSFilter object.
+ *
+ * Attach a chain of filters to a synchronisation source @sync. Filter @f must be the first filter of the processing chain.
+ *  In order to be run, each chain of filter must be attached to a synchronisation source, that will be responsible for scheduling
+ *  the processing. Multiple chains can be attached to a single synchronisation.
+ *
+ * Returns: 0 if successfull, a negative value reprensenting the errno.h error.
+ */
+int ms_sync_attach(MSSync *sync,MSFilter *f)
+{
+	gint err;
+	ms_sync_lock(sync);
+	err=sync->klass->attach(sync,f);
+	ms_sync_update(sync);
+	ms_sync_unlock(sync);
+	return(err);
+}
+
+int ms_sync_attach_generic(MSSync *sync,MSFilter *f)
+{
+	int i;
+	/* //printf("attr: %i\n",f->klass->attributes); */
+	g_return_val_if_fail(f->klass->attributes & FILTER_IS_SOURCE,-EINVAL);
+	g_return_val_if_fail(sync->attached_filters!=NULL,-EFAULT);
+	
+
+	/* find a free place to attach*/
+	for (i=0;i<sync->klass->max_filters;i++)
+	{
+		if (sync->attached_filters[i]==NULL)
+		{
+			sync->attached_filters[i]=f;
+			sync->filters++;
+			ms_trace("Filter succesfully attached to sync.");
+			return 0;
+		}
+	}
+	g_warning("No more link on sync !");
+	return(-EMLINK);
+}
+
+/**
+ * ms_sync_detach:
+ * @sync:  A #MSSync object.
+ * @f:  A #MSFilter object.
+ *
+ * Dettach a chain of filters to a synchronisation source. Filter @f must be the first filter of the processing chain.
+ * The processing chain will no more be executed.
+ *
+ * Returns: 0 if successfull, a negative value reprensenting the errno.h error.
+ */
+int ms_sync_detach(MSSync *sync,MSFilter *f)
+{	
+	gint err;
+	ms_sync_lock(sync);
+	err=sync->klass->detach(sync,f);
+	ms_sync_update(sync);
+	ms_sync_unlock(sync);
+	return(err);
+}
+
+int ms_sync_detach_generic(MSSync *sync,MSFilter *f)
+{
+	int i;
+	g_return_val_if_fail(f->klass->attributes & FILTER_IS_SOURCE,-EINVAL);
+	g_return_val_if_fail(sync->attached_filters!=NULL,-EFAULT);
+	for (i=0;i<sync->filters;i++)
+	{
+		if (sync->attached_filters[i]==f)
+		{
+			sync->attached_filters[i]=NULL;
+			sync->filters--;
+			return 0;
+		}
+	}
+	return(-EMLINK);
+}
+
+void ms_sync_set_samples_per_tick(MSSync *sync,gint size)
+{
+	if (sync->samples_per_tick==0)
+	{
+		sync->samples_per_tick=size;
+		g_cond_signal(sync->thread_cond);
+	}
+	else sync->samples_per_tick=size;
+}
+
+/* call the setup func of each filter attached to the graph */
+void ms_sync_setup(MSSync *sync)
+{
+	GList *elem=sync->execution_list;
+	MSFilter *f;
+	while(elem!=NULL){
+		f=(MSFilter*)elem->data;
+		if (f->klass->setup!=NULL){
+			f->klass->setup(f,sync);
+		}
+		elem=g_list_next(elem);
+	}
+}
+
+/* call the unsetup func of each filter attached to the graph */
+void ms_sync_unsetup(MSSync *sync)
+{
+	GList *elem=sync->execution_list;
+	MSFilter *f;
+	while(elem!=NULL){
+		f=(MSFilter*)elem->data;
+		if (f->klass->unsetup!=NULL){
+			f->klass->unsetup(f,sync);
+		}
+		elem=g_list_next(elem);
+	}
+}
+
+
+int ms_sync_uninit(MSSync *sync)
+{
+	g_mutex_free(sync->lock);
+	g_cond_free(sync->thread_cond);
+	g_cond_free(sync->stop_cond);
+}
+