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/*
* MSMPEG4 backend for encoder and decoder
* copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_MSMPEG4_H
#define AVCODEC_MSMPEG4_H
#include <stdint.h>
#include "config.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "msmpeg4data.h"
#include "put_bits.h"
#define INTER_INTRA_VLC_BITS 3
#define MB_NON_INTRA_VLC_BITS 9
#define MB_INTRA_VLC_BITS 9
#define II_BITRATE 128*1024
#define MBAC_BITRATE 50*1024
#define DC_MAX 119
extern VLC ff_mb_non_intra_vlc[4];
extern VLC ff_inter_intra_vlc;
void ff_msmpeg4_code012(PutBitContext *pb, int n);
void ff_msmpeg4_common_init(MpegEncContext *s);
void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n);
void ff_msmpeg4_handle_slices(MpegEncContext *s);
void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my);
int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n,
uint8_t **coded_block_ptr);
int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr);
int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, const uint8_t *scan_table);
int ff_msmpeg4_pred_dc(MpegEncContext *s, int n,
int16_t **dc_val_ptr, int *dir_ptr);
int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
#define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \
CONFIG_MSMPEG4V2_DECODER || \
CONFIG_MSMPEG4V3_DECODER || \
CONFIG_WMV2_DECODER || \
CONFIG_VC1_DECODER)
#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \
CONFIG_MSMPEG4V3_ENCODER || \
CONFIG_WMV2_ENCODER)
#endif /* AVCODEC_MSMPEG4_H */
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