Add Dirac parser from SoC; written by Marco Gerards;

submitted by Anuradha Suraparaju, anuradha rd.bbc.co uk

Originally committed as revision 13041 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -292,6 +292,7 @@ void avcodec_register_all(void)
     REGISTER_PARSER  (AC3, ac3);
     REGISTER_PARSER  (CAVSVIDEO, cavsvideo);
     REGISTER_PARSER  (DCA, dca);
+    REGISTER_PARSER  (DIRAC, dirac);
     REGISTER_PARSER  (DVBSUB, dvbsub);
     REGISTER_PARSER  (DVDSUB, dvdsub);
     REGISTER_PARSER  (H261, h261);