Split the RTP muxer out of rtp.c, to simplify the RTSP demuxer's dependencies

Originally committed as revision 11408 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/Makefile

@@ -121,9 +121,9 @@ OBJS-$(CONFIG_RM_DEMUXER)                += rmdec.o
 OBJS-$(CONFIG_RM_MUXER)                  += rmenc.o
 OBJS-$(CONFIG_ROQ_DEMUXER)               += idroq.o
 OBJS-$(CONFIG_ROQ_MUXER)                 += raw.o
-OBJS-$(CONFIG_RTP_MUXER)                 += rtp.o rtp_mpv.o rtp_aac.o
+OBJS-$(CONFIG_RTP_MUXER)                 += rtp.o rtpenc.o rtp_mpv.o rtp_aac.o
 OBJS-$(CONFIG_RTSP_DEMUXER)              += rtsp.o
-OBJS-$(CONFIG_SDP_DEMUXER)               += rtsp.o rtp.o rtpdec.o rtp_h264.o rtp_mpv.o rtp_aac.o
+OBJS-$(CONFIG_SDP_DEMUXER)               += rtsp.o rtp.o rtpdec.o rtp_h264.o
 OBJS-$(CONFIG_SEGAFILM_DEMUXER)          += segafilm.o
 OBJS-$(CONFIG_SHORTEN_DEMUXER)           += raw.o
 OBJS-$(CONFIG_SIFF_DEMUXER)              += siff.o