diff -r 4a7fac7dd34a -r 2a0f36a70380 gst_plugins_symbian/gst/amrmux/gstamrmux.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_symbian/gst/amrmux/gstamrmux.c	Mon May 03 12:47:24 2010 +0300
@@ -0,0 +1,321 @@
+/*
+ *  Copyright © 2010 Nokia Corporation.
+ *  This material, including documentation and any related
+ *  computer progrs, is protected by copyright controlled by
+ *  Nokia Corporation. All rights are reserved. Copying,
+ *  including reproducing, storing, adapting or translating, any
+ *  or all of this material requires the prior written consent of
+ *  Nokia Corporation. This material also contains confidential
+ *  information which may not be disclosed to others without the
+ *  prior written consent of Nokia Corporation.
+ * ============================================================================
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+
+#include "gstamrmux.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+
+#ifdef __SYMBIAN32__
+#include <gst/gstinfo.h>
+#endif
+
+/* AMR nb header value */
+const char* amrnbmagicnumber = "#!AMR\n";
+
+static void gst_amrmux_base_init (gpointer g_class);
+static void gst_amrmux_class_init (GstAmrMuxClass * klass);
+static void gst_amrmux_init ( GstAmrMux * filter, GstAmrMuxClass *filter_klass);
+
+static GstFlowReturn gst_amrmux_chain (GstPad * pad, GstBuffer * buf);
+
+static void gst_amrmux_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+
+static void gst_amrmux_set_property (GObject *object, guint prop_id,
+                                     const GValue *value, GParamSpec *pspec);
+                                     
+static GstStateChangeReturn gst_amrmux_change_state (GstElement * element,
+    GstStateChange transition);
+
+static void gst_amrmux_dispose(GObject * object);
+
+static GstElementClass *parent_class= NULL;
+
+static const GstElementDetails gst_amrmux_details =
+GST_ELEMENT_DETAILS ("AMR MUX Details",
+        "Codec/Muxer/Audio",
+        "Adaptive Multi-Rate Narrow-Band Muxer",
+        "");
+
+static GstStaticPadTemplate sink_factory =
+GST_STATIC_PAD_TEMPLATE (
+  "sink",
+  GST_PAD_SINK,
+  GST_PAD_ALWAYS,
+  GST_STATIC_CAPS ("audio/amr")
+);
+
+static GstStaticPadTemplate source_factory =
+GST_STATIC_PAD_TEMPLATE (
+  "src",
+  GST_PAD_SRC,
+  GST_PAD_ALWAYS,
+  GST_STATIC_CAPS ("audio/amr")
+);
+
+enum {
+  ARG_0,
+  ARG_HEADER
+};
+
+
+GType
+gst_amrmux_get_type (void)
+{
+  static GType gst_amrmux_type = 0;
+
+  if (!gst_amrmux_type) {
+    static const GTypeInfo amrmux_info = {
+      sizeof (GstAmrMuxClass),
+      gst_amrmux_base_init,
+      NULL,
+      (GClassInitFunc) gst_amrmux_class_init,
+      NULL,
+      NULL,
+      sizeof (GstAmrMux),
+      0,
+      (GInstanceInitFunc) gst_amrmux_init,
+    };
+
+    gst_amrmux_type =
+        g_type_register_static (GST_TYPE_ELEMENT, "GstAmrMux",
+        &amrmux_info, 0);
+  }
+  return gst_amrmux_type;
+}
+
+
+static void
+gst_amrmux_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+   
+  gst_element_class_add_pad_template(element_class,
+    gst_static_pad_template_get(&sink_factory)); 
+  
+  gst_element_class_add_pad_template(element_class,
+  gst_static_pad_template_get(&source_factory));
+          
+  gst_element_class_set_details (element_class, &gst_amrmux_details);
+}
+
+static void
+gst_amrmux_class_init ( GstAmrMuxClass * klass )
+{
+  GObjectClass *object_class;
+  GstElementClass *gstelement_class;
+
+  gstelement_class = (GstElementClass *) klass;
+  object_class = (GObjectClass *) klass;
+
+  
+  object_class->set_property = gst_amrmux_set_property;
+  object_class->get_property = gst_amrmux_get_property;
+  
+  gstelement_class->change_state = gst_amrmux_change_state;
+  
+  object_class->dispose = gst_amrmux_dispose;
+  
+  parent_class = g_type_class_peek_parent(klass);
+  
+  g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HEADER,
+        g_param_spec_boolean ("header", "header",
+            "For writing AMR header", TRUE, G_PARAM_READWRITE));
+  
+ 
+ }
+
+static void gst_amrmux_dispose(GObject * object)
+{
+    G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gst_amrmux_init( GstAmrMux * amrmux, GstAmrMuxClass *amrmux_klass)
+{  
+   GstElementClass *klass = GST_ELEMENT_CLASS (amrmux_klass);
+   
+   //By default we have to write header   
+   amrmux->writeheader= TRUE;
+   
+   //Add Sink pad to this element
+      
+   amrmux->sinkpad = gst_pad_new_from_template (
+    gst_element_class_get_pad_template (klass, "sink"), "sink");  
+  
+  gst_element_add_pad (GST_ELEMENT (amrmux), amrmux->sinkpad);
+
+    
+  //Add Src pad to this element
+  amrmux->srcpad = gst_pad_new_from_template (
+    gst_element_class_get_pad_template (klass, "src"), "src");
+
+  gst_element_add_pad (GST_ELEMENT (amrmux), amrmux->srcpad);  
+    
+  gst_pad_set_chain_function (amrmux->sinkpad, gst_amrmux_chain);
+
+}
+
+
+static void
+gst_amrmux_get_property (GObject * object,
+    guint prop_id, GValue * value, GParamSpec * pspec)
+{
+    
+  GstAmrMux *amrmux = GST_AMRMUX( object );
+  
+  switch (prop_id) {
+      case ARG_HEADER:
+            g_value_set_boolean (value, amrmux->writeheader);
+            break;
+          
+          default:
+            G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+            break;
+  }
+}
+
+
+static void
+gst_amrmux_set_property (GObject * object,
+    guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+GstAmrMux *amrmux = GST_AMRMUX( object );
+  
+  switch (prop_id) {
+      case ARG_HEADER:
+          amrmux->writeheader = g_value_get_boolean (value);
+          break;
+        default:
+          G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+          break;
+  }
+}
+
+
+
+static GstFlowReturn
+gst_amrmux_chain (GstPad * pad, GstBuffer * buf)
+{    
+  
+  gint8 *codecdata;
+  guint8* amrdata;
+  guint8* amrheaderstart; 
+  
+  int codecdatasize = GST_BUFFER_SIZE(buf); 
+   
+  int magicnumberlength = strlen( amrnbmagicnumber );   
+  
+  GstAmrMux *amrmux = GST_AMRMUX (GST_PAD_PARENT (pad)); 
+
+  if ( amrmux->writeheader )
+   {
+     
+      buf = gst_buffer_make_writable( buf );  
+      
+      //Allocate a buffer which will hold codec data + magic number
+      
+      amrdata = ( guint8* )g_malloc( GST_BUFFER_SIZE(buf) + magicnumberlength );
+      
+      //To save the starting address of amr data
+      
+      amrheaderstart = amrdata;
+      
+      //Copy magic number to newly allocated buffer
+      
+      memcpy( amrdata, amrnbmagicnumber, magicnumberlength);
+      
+      codecdata = (gint8*)GST_BUFFER_DATA (buf);  
+      
+      //Move the pointer to the end of magic number
+           
+      amrdata += magicnumberlength;
+      
+      //Copy codec data to newly allocated buffer
+           
+      memcpy( amrdata , codecdata, codecdatasize );
+      
+      // free codec data from GstBuffer
+      
+      g_free(  buf->malloc_data );
+      
+      //Copying the newly allocated buffer and size in GstBuffer
+      
+      buf->data = amrheaderstart;
+      
+      buf->malloc_data = amrheaderstart;
+      
+      buf->size+= magicnumberlength; 
+      
+      //Do it only first time
+      
+      amrmux->writeheader = FALSE;  
+   }  
+  
+  return gst_pad_push( amrmux->srcpad , buf );
+  
+}
+
+static GstStateChangeReturn
+gst_amrmux_change_state (GstElement * element, GstStateChange transition)
+{
+  GstStateChangeReturn ret;
+  GstAmrMux *amrmux = GST_AMRMUX (element);
+  
+  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+  
+  if (G_UNLIKELY (ret == GST_STATE_CHANGE_FAILURE))
+      return ret; 
+
+  switch (transition) {
+        case GST_STATE_CHANGE_READY_TO_NULL: 
+         {
+            amrmux->writeheader = TRUE; 
+            break;
+         }               
+      
+         default:
+            break;
+  }
+  
+  return ret;    
+}
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ 
+  return gst_element_register (plugin, "amrmux", GST_RANK_PRIMARY,
+          GST_TYPE_AMRMUX);
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+    GST_VERSION_MINOR,
+    "amrmux",
+    "Add header to amr-nb encoded stream",
+    plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
+
+
+EXPORT_C GstPluginDesc* _GST_PLUGIN_DESC()
+{
+	return &gst_plugin_desc;
+}
+