diff -r 71e347f905f2 -r 4a7fac7dd34a gst_plugins_base/gst-libs/gst/rtp/gstrtcpbuffer.c
--- a/gst_plugins_base/gst-libs/gst/rtp/gstrtcpbuffer.c	Fri Mar 19 09:35:09 2010 +0200
+++ b/gst_plugins_base/gst-libs/gst/rtp/gstrtcpbuffer.c	Fri Apr 16 15:15:52 2010 +0300
@@ -36,14 +36,18 @@
  * <para>
  * An RTCP buffer consists of 1 or more #GstRTCPPacket structures that you can
  * retrieve with gst_rtcp_buffer_get_first_packet(). #GstRTCPPacket acts as a pointer
- * into the RTCP buffer; you can move to the next packet with
+ * into the RTCP buffer;
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+ you can move to the next packet with
  * gst_rtcp_packet_move_to_next().
  * </para>
  * </refsect2>
  *
- * Since: 0.10.13
+ * Last reviewed on 2007-03-26 (0.10.13)
  *
- * Last reviewed on 2007-03-26 (0.10.13)
+ * Since: 0.10.13
  */
 
 #include <string.h>
@@ -405,7 +409,8 @@
  */
 #ifdef __SYMBIAN32__
 EXPORT_C
-#endif 
+#endif
+
 gboolean
 gst_rtcp_packet_move_to_next (GstRTCPPacket * packet)
 {
@@ -488,6 +493,11 @@
     case GST_RTCP_TYPE_APP:
       len = 12;
       break;
+    case GST_RTCP_TYPE_RTPFB:
+      len = 12;
+      break;
+    case GST_RTCP_TYPE_PSFB:
+      len = 12;
     default:
       goto unknown_type;
   }
@@ -525,21 +535,38 @@
  * gst_rtcp_packet_remove:
  * @packet: a #GstRTCPPacket
  *
- * Removes the packet pointed to by @packet.
+ * Removes the packet pointed to by @packet and moves pointer to the next one
  *
- * Note: Not implemented.
+ * Returns: TRUE if @packet is pointing to a valid packet after calling this
+ * function.
  */
 #ifdef __SYMBIAN32__
 EXPORT_C
 #endif
 
-void
+gboolean
 gst_rtcp_packet_remove (GstRTCPPacket * packet)
 {
-  g_return_if_fail (packet != NULL);
-  g_return_if_fail (packet->type != GST_RTCP_TYPE_INVALID);
+  gboolean ret = FALSE;
+  guint offset = 0;
+
+  g_return_val_if_fail (packet != NULL, FALSE);
+  g_return_val_if_fail (packet->type != GST_RTCP_TYPE_INVALID, FALSE);
+
+  /* The next packet starts at offset + length + 4 (the header) */
+  offset = packet->offset + (packet->length << 2) + 4;
 
-  g_warning ("not implemented");
+  /* Overwrite this packet with the rest of the data */
+  memmove (GST_BUFFER_DATA (packet->buffer) + packet->offset,
+      GST_BUFFER_DATA (packet->buffer) + offset,
+      GST_BUFFER_SIZE (packet->buffer) - offset);
+
+  /* try to read next header */
+  ret = read_packet_header (packet);
+  if (!ret)
+    packet->type = GST_RTCP_TYPE_INVALID;
+
+  return ret;
 }
 
 /**
@@ -569,7 +596,8 @@
  *
  * Get the packet type of the packet pointed to by @packet.
  *
- * Returns: The packet type.
+ * Returns: The packet type or GST_RTCP_TYPE_INVALID when @packet is not
+ * pointing to a valid packet.
  */
 #ifdef __SYMBIAN32__
 EXPORT_C
@@ -579,8 +607,6 @@
 gst_rtcp_packet_get_type (GstRTCPPacket * packet)
 {
   g_return_val_if_fail (packet != NULL, GST_RTCP_TYPE_INVALID);
-  g_return_val_if_fail (packet->type != GST_RTCP_TYPE_INVALID,
-      GST_RTCP_TYPE_INVALID);
 
   return packet->type;
 }
@@ -1779,6 +1805,187 @@
 }
 
 /**
+ * gst_rtcp_packet_fb_get_sender_ssrc:
+ * @packet: a valid RTPFB or PSFB #GstRTCPPacket
+ *
+ * Get the sender SSRC field of the RTPFB or PSFB @packet.
+ *
+ * Returns: the sender SSRC.
+ *
+ * Since: 0.10.23
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+guint32
+gst_rtcp_packet_fb_get_sender_ssrc (GstRTCPPacket * packet)
+{
+  guint8 *data;
+  guint32 ssrc;
+
+  g_return_val_if_fail (packet != NULL, 0);
+  g_return_val_if_fail ((packet->type == GST_RTCP_TYPE_RTPFB ||
+          packet->type == GST_RTCP_TYPE_PSFB), 0);
+  g_return_val_if_fail (GST_IS_BUFFER (packet->buffer), 0);
+
+  data = GST_BUFFER_DATA (packet->buffer);
+
+  /* skip header */
+  data += packet->offset + 4;
+  ssrc = GST_READ_UINT32_BE (data);
+
+  return ssrc;
+}
+
+/**
+ * gst_rtcp_packet_fb_set_sender_ssrc:
+ * @packet: a valid RTPFB or PSFB #GstRTCPPacket
+ * @ssrc: a sender SSRC
+ *
+ * Set the sender SSRC field of the RTPFB or PSFB @packet.
+ *
+ * Since: 0.10.23
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+void
+gst_rtcp_packet_fb_set_sender_ssrc (GstRTCPPacket * packet, guint32 ssrc)
+{
+  guint8 *data;
+
+  g_return_if_fail (packet != NULL);
+  g_return_if_fail (packet->type == GST_RTCP_TYPE_RTPFB ||
+      packet->type == GST_RTCP_TYPE_PSFB);
+  g_return_if_fail (GST_IS_BUFFER (packet->buffer));
+
+  data = GST_BUFFER_DATA (packet->buffer);
+
+  /* skip header */
+  data += packet->offset + 4;
+  GST_WRITE_UINT32_BE (data, ssrc);
+}
+
+/**
+ * gst_rtcp_packet_fb_get_media_ssrc:
+ * @packet: a valid RTPFB or PSFB #GstRTCPPacket
+ *
+ * Get the media SSRC field of the RTPFB or PSFB @packet.
+ *
+ * Returns: the media SSRC.
+ *
+ * Since: 0.10.23
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+guint32
+gst_rtcp_packet_fb_get_media_ssrc (GstRTCPPacket * packet)
+{
+  guint8 *data;
+  guint32 ssrc;
+
+  g_return_val_if_fail (packet != NULL, 0);
+  g_return_val_if_fail ((packet->type == GST_RTCP_TYPE_RTPFB ||
+          packet->type == GST_RTCP_TYPE_PSFB), 0);
+  g_return_val_if_fail (GST_IS_BUFFER (packet->buffer), 0);
+
+  data = GST_BUFFER_DATA (packet->buffer);
+
+  /* skip header and sender ssrc */
+  data += packet->offset + 8;
+  ssrc = GST_READ_UINT32_BE (data);
+
+  return ssrc;
+}
+
+/**
+ * gst_rtcp_packet_fb_set_media_ssrc:
+ * @packet: a valid RTPFB or PSFB #GstRTCPPacket
+ * @ssrc: a media SSRC
+ *
+ * Set the media SSRC field of the RTPFB or PSFB @packet.
+ *
+ * Since: 0.10.23
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+void
+gst_rtcp_packet_fb_set_media_ssrc (GstRTCPPacket * packet, guint32 ssrc)
+{
+  guint8 *data;
+
+  g_return_if_fail (packet != NULL);
+  g_return_if_fail (packet->type == GST_RTCP_TYPE_RTPFB ||
+      packet->type == GST_RTCP_TYPE_PSFB);
+  g_return_if_fail (GST_IS_BUFFER (packet->buffer));
+
+  data = GST_BUFFER_DATA (packet->buffer);
+
+  /* skip header and sender ssrc */
+  data += packet->offset + 8;
+  GST_WRITE_UINT32_BE (data, ssrc);
+}
+
+/**
+ * gst_rtcp_packet_fb_get_type:
+ * @packet: a valid RTPFB or PSFB #GstRTCPPacket
+ *
+ * Get the feedback message type of the FB @packet.
+ *
+ * Returns: The feedback message type.
+ *
+ * Since: 0.10.23
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+GstRTCPFBType
+gst_rtcp_packet_fb_get_type (GstRTCPPacket * packet)
+{
+  g_return_val_if_fail (packet != NULL, GST_RTCP_FB_TYPE_INVALID);
+  g_return_val_if_fail (packet->type == GST_RTCP_TYPE_RTPFB ||
+      packet->type == GST_RTCP_TYPE_PSFB, GST_RTCP_FB_TYPE_INVALID);
+
+  return packet->count;
+}
+
+/**
+ * gst_rtcp_packet_fb_set_type:
+ * @packet: a valid RTPFB or PSFB #GstRTCPPacket
+ * @type: the #GstRTCPFBType to set
+ *
+ * Set the feedback message type of the FB @packet.
+ *
+ * Since: 0.10.23
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+void
+gst_rtcp_packet_fb_set_type (GstRTCPPacket * packet, GstRTCPFBType type)
+{
+  guint8 *data;
+
+  g_return_if_fail (packet != NULL);
+  g_return_if_fail (packet->type == GST_RTCP_TYPE_RTPFB ||
+      packet->type == GST_RTCP_TYPE_PSFB);
+  g_return_if_fail (GST_IS_BUFFER (packet->buffer));
+
+  data = GST_BUFFER_DATA (packet->buffer);
+
+  data[packet->offset] = (data[packet->offset] & 0xe0) | type;
+  packet->count = type;
+}
+
+/**
  * gst_rtcp_ntp_to_unix:
  * @ntptime: an NTP timestamp
  *
@@ -1819,7 +2026,7 @@
  * bits, the fractional seconds. The resulting value can be used as an ntptime
  * for constructing SR RTCP packets.
  *
- * Returns: the NTP time for @gsttime.
+ * Returns: the NTP time for @unixtime.
  */
 #ifdef __SYMBIAN32__
 EXPORT_C