ff_msmpeg4_decode_motion 62 libavcodec/msmpeg4.h int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr); ff_msmpeg4_decode_motion 264 libavcodec/msmpeg4dec.c if (ff_msmpeg4_decode_motion(s, &mx, &my) < 0) ff_msmpeg4_decode_motion 286 libavcodec/wmv2dec.c ret = ff_msmpeg4_decode_motion(s, mx_ptr, my_ptr);