msmpeg4.h

播放H264文件的播放器

/*
 * MSMPEG4 backend for ffmpeg encoder and decoder
 * copyright (c) 2007 Aurelien Jacobs <[e-mail]>
 *
 * 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
 */

/**
 * @file libavcodec/msmpeg4.h
 */

#ifndef AVCODEC_MSMPEG4_H
#define AVCODEC_MSMPEG4_H

#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"

#define INTER_INTRA_VLC_BITS 3
#define MB_NON_INTRA_VLC_BITS 9
#define MB_INTRA_VLC_BITS 9

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_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_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       || \
                                CONFIG_WMV3_DECODER)
#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V1_ENCODER || \
                                CONFIG_MSMPEG4V2_ENCODER || \
                                CONFIG_MSMPEG4V3_ENCODER || \
                                CONFIG_WMV2_ENCODER)
#define CONFIG_MSMPEG4 (CONFIG_MSMPEG4_DECODER || CONFIG_MSMPEG4_ENCODER)
#define CONFIG_WMV2 (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER)
#define CONFIG_WMV_DECODER (CONFIG_WMV1_DECODER || CONFIG_WMV2_DECODER)
#define CONFIG_WMV_ENCODER (CONFIG_WMV1_ENCODER || CONFIG_WMV2_ENCODER)

#endif /* AVCODEC_MSMPEG4_H */