--- mbcoding.h 2002/03/08 02:44:35 1.1 +++ mbcoding.h 2003/10/03 16:57:55 1.11.2.7 @@ -1,24 +1,80 @@ +/***************************************************************************** + * + * XVID MPEG-4 VIDEO CODEC + * - MB coding header - + * + * Copyright (C) 2002 Michael Militzer + * + * This program is free software ; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation ; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY ; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program ; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: mbcoding.h,v 1.11.2.7 2003/10/03 16:57:55 edgomez Exp $ + * + ****************************************************************************/ + #ifndef _MB_CODING_H_ #define _MB_CODING_H_ #include "../portab.h" #include "../global.h" +#include "vlc_codes.h" +#include "bitstream.h" + +void init_vlc_tables(void); + +int check_resync_marker(Bitstream * bs, int addbits); -void create_vlc_tables(void); -void destroy_vlc_tables(void); +void bs_put_spritetrajectory(Bitstream * bs, const int val); +int bs_get_spritetrajectory(Bitstream * bs); int get_mcbpc_intra(Bitstream * bs); int get_mcbpc_inter(Bitstream * bs); -int get_cbpy(Bitstream * bs, int intra); -int get_mv(Bitstream * bs, int fcode); +int get_cbpy(Bitstream * bs, + int intra); +int get_mv(Bitstream * bs, + int fcode); -int get_dc_dif(Bitstream * bs, uint32_t dc_size); +int get_dc_dif(Bitstream * bs, + uint32_t dc_size); int get_dc_size_lum(Bitstream * bs); int get_dc_size_chrom(Bitstream * bs); -int get_coeff(Bitstream * bs, int *run, int *last, int intra, int short_video_header); +void get_intra_block(Bitstream * bs, + int16_t * block, + int direction, + int coeff); +void get_inter_block(Bitstream * bs, + int16_t * block, + int direction); + + +void MBCodingBVOP(const FRAMEINFO * const frame, + const MACROBLOCK * mb, + const int16_t qcoeff[6 * 64], + const int32_t fcode, + const int32_t bcode, + Bitstream * bs, + Statistics * pStat); + + +static __inline void +MBSkip(Bitstream * bs) +{ + BitstreamPutBit(bs, 1); /* not coded */ +} -void get_intra_block(Bitstream * bs, int16_t * block, int direction, int coeff); -void get_inter_block(Bitstream * bs, int16_t * block); +int CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); +int CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag); -#endif /* _MB_CODING_H_ */ \ No newline at end of file +#endif /* _MB_CODING_H_ */