1/* 2 * MSMPEG4 backend for ffmpeg encoder and decoder 3 * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22/** 23 * @file 24 */ 25 26#ifndef AVCODEC_MSMPEG4_H 27#define AVCODEC_MSMPEG4_H 28 29#include "config.h" 30#include "avcodec.h" 31#include "dsputil.h" 32#include "mpegvideo.h" 33 34#define INTER_INTRA_VLC_BITS 3 35#define MB_NON_INTRA_VLC_BITS 9 36#define MB_INTRA_VLC_BITS 9 37 38extern VLC ff_mb_non_intra_vlc[4]; 39extern VLC ff_inter_intra_vlc; 40 41void ff_msmpeg4_code012(PutBitContext *pb, int n); 42void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n); 43void ff_msmpeg4_handle_slices(MpegEncContext *s); 44void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my); 45int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n, 46 uint8_t **coded_block_ptr); 47int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr); 48int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block, 49 int n, int coded, const uint8_t *scan_table); 50int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]); 51 52#define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \ 53 CONFIG_MSMPEG4V2_DECODER || \ 54 CONFIG_MSMPEG4V3_DECODER || \ 55 CONFIG_WMV2_DECODER || \ 56 CONFIG_VC1_DECODER) 57#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V1_ENCODER || \ 58 CONFIG_MSMPEG4V2_ENCODER || \ 59 CONFIG_MSMPEG4V3_ENCODER || \ 60 CONFIG_WMV2_ENCODER) 61 62#endif /* AVCODEC_MSMPEG4_H */ 63