REGISTER_MUXDEMUX   36 libavdevice/alldevices.c #define REGISTER_MUXDEMUX(X,x)  REGISTER_MUXER(X,x); REGISTER_DEMUXER(X,x)
REGISTER_MUXDEMUX   33 libavformat/allformats.c #define REGISTER_MUXDEMUX(X,x)  REGISTER_MUXER(X,x); REGISTER_DEMUXER(X,x)