Split the DV demuxer and muxer into separate files (as suggested by Diego

Biurrun).

Originally committed as revision 6272 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/Makefile

@@ -32,7 +32,7 @@ OBJS-$(CONFIG_CRC_MUXER)                 += crc.o
 OBJS-$(CONFIG_FRAMECRC_MUXER)            += crc.o
 OBJS-$(CONFIG_DAUD_DEMUXER)              += daud.o
 OBJS-$(CONFIG_DV_DEMUXER)                += dv.o
-OBJS-$(CONFIG_DV_MUXER)                  += dv.o
+OBJS-$(CONFIG_DV_MUXER)                  += dvenc.o
 OBJS-$(CONFIG_EA_DEMUXER)                += electronicarts.o
 OBJS-$(CONFIG_FFM_DEMUXER)               += ffm.o
 OBJS-$(CONFIG_FFM_MUXER)                 += ffm.o