ff_msmpeg4_encode_ext_header  889 libavcodec/mpegvideo.h void ff_msmpeg4_encode_ext_header(MpegEncContext * s);
ff_msmpeg4_encode_ext_header 3369 libavcodec/mpegvideo_enc.c         ff_msmpeg4_encode_ext_header(s);
ff_msmpeg4_encode_ext_header  250 libavcodec/msmpeg4enc.c             ff_msmpeg4_encode_ext_header(s);