1 files changed, 83 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/gstreamer-peer/gst_peer.c b/libjava/classpath/native/jni/gstreamer-peer/gst_peer.c
new file mode 100644
index 000000000..da83b006b
--- /dev/null
+++ b/libjava/classpath/native/jni/gstreamer-peer/gst_peer.c
@@ -0,0 +1,83 @@
+/*gst_peer.c - Common utility functions for the native peer.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+#include <glib.h>
+
+#include <jni.h>
+#include "jcl.h"
+
+#include "gst_peer.h"
+
+JNIEnv *gst_get_jenv (JavaVM *vm)
+{
+  void *env = NULL;
+  
+  if ((*vm)->GetEnv(vm, &env, JNI_VERSION_1_2) != JNI_OK)
+    {
+      if ((*vm)->AttachCurrentThreadAsDaemon(vm, &env, NULL) < 0)
+        {
+          g_warning ("GstNativePipeline:- env not attached");
+          return NULL;
+        }
+    }
+  
+  return (JNIEnv *) env;
+}
+
+void *
+get_object_from_pointer (JNIEnv *env, jobject pointer, jfieldID pointerDataFID)
+{
+  void *_object = NULL;
+  
+  if (env == NULL)
+    return NULL;
+    
+  if ((*env)->IsSameObject(env, pointer, NULL) == JNI_TRUE)
+    return NULL;
+  
+#if SIZEOF_VOID_P == 8
+  _object = (void *) (*env)->GetLongField(env, pointer, pointerDataFID);
+#else
+# if SIZEOF_VOID_P == 4
+  _object = (void *) (*env)->GetIntField(env, pointer, pointerDataFID);
+# else
+#   error "Pointer size is not supported."
+# endif /* SIZEOF_VOID_P == 4 */
+#endif /* SIZEOF_VOID_P == 8 */
+
+  return _object;
+}