get rid of rtp_mode field after next major bump

Originally committed as revision 8164 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -907,8 +907,10 @@ typedef struct AVCodecContext {
 
     void *priv_data;
 
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
     /* unused, FIXME remove*/
     int rtp_mode;
+#endif
 
     int rtp_payload_size;   /* The size of the RTP payload: the coder will  */
                             /* do it's best to deliver a chunk with size    */

libavcodec/utils.c

@@ -473,7 +473,9 @@ static const AVOption options[]={
 {"rc_strategy", "ratecontrol method", OFFSET(rc_strategy), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
 {"b_strategy", "strategy to choose between I/P/B-frames", OFFSET(b_frame_strategy), FF_OPT_TYPE_INT, 0, INT_MIN, INT_MAX, V|E},
 {"hurry_up", NULL, OFFSET(hurry_up), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|D},
+#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
 {"rtp_mode", NULL, OFFSET(rtp_mode), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
+#endif
 {"rtp_payload_size", NULL, OFFSET(rtp_payload_size), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX, V|E},
 {"mv_bits", NULL, OFFSET(mv_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},
 {"header_bits", NULL, OFFSET(header_bits), FF_OPT_TYPE_INT, DEFAULT, INT_MIN, INT_MAX},