Major modification in conference bridge to allow ports with different ptime and sampling rate. Also introduced sampling rate converter

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@277 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/include/pjsua-lib/pjsua.h b/pjsip/include/pjsua-lib/pjsua.h
index d120a06..1ed8f3a 100644
--- a/pjsip/include/pjsua-lib/pjsua.h
+++ b/pjsip/include/pjsua-lib/pjsua.h
@@ -177,6 +177,7 @@
     /* Media:  */
     int		     start_rtp_port;/**< Start of RTP port to try.	*/
     pjmedia_endpt   *med_endpt;	    /**< Media endpoint.		*/
+    unsigned	     clock_rate;    /**< Internal clock rate.		*/
     pjmedia_conf    *mconf;	    /**< Media conference.		*/
     pj_bool_t	     null_audio;    /**< Null audio flag.		*/
     char	    *wav_file;	    /**< WAV file name to play.		*/