int16_t *ff_h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py);
void ff_h263_encode_init(MpegEncContext *s);
-void ff_h263_decode_init_vlc(MpegEncContext *s);
+void ff_h263_decode_init_vlc(void);
int ff_h263_decode_picture_header(MpegEncContext *s);
int ff_h263_decode_gob_header(MpegEncContext *s);
void ff_h263_update_motion_val(MpegEncContext * s);