Index: libmpdemux/demux_rtp.cpp
===================================================================
--- libmpdemux/demux_rtp.cpp	(Revision 22354)
+++ libmpdemux/demux_rtp.cpp	(Arbeitskopie)
@@ -402,7 +402,7 @@
   if (frameSize > 0) demuxer->stream->eof = 0;
 
   demux_packet_t* dp = bufferQueue->dp;
-  dp->len = frameSize;
+  resize_demux_packet(dp, frameSize);  
 
   // Set the packet's presentation time stamp, depending on whether or
   // not our RTP source's timestamps have been synchronized yet: