void ff_wmv2_common_init(Wmv2Context *w);
+int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64]);
+int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
+void ff_wmv2_encode_mb(MpegEncContext * s, int16_t block[6][64],
+ int motion_x, int motion_y);
+int ff_wmv2_decode_picture_header(MpegEncContext * s);
+int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
+void ff_wmv2_add_mb(MpegEncContext *s, int16_t block[6][64],
+ uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
+
+void ff_mspel_motion(MpegEncContext *s,
+ uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+ uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
+ int motion_x, int motion_y, int h);
+
#endif /* AVCODEC_WMV2_H */