1/* 2 * MSMPEG4 backend for 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#ifndef AVCODEC_MSMPEG4_H 23#define AVCODEC_MSMPEG4_H 24 25#include <stdint.h> 26 27#include "config.h" 28#include "avcodec.h" 29#include "mpegvideo.h" 30#include "msmpeg4data.h" 31#include "put_bits.h" 32 33#define INTER_INTRA_VLC_BITS 3 34#define MB_NON_INTRA_VLC_BITS 9 35#define MB_INTRA_VLC_BITS 9 36 37#define II_BITRATE 128*1024 38#define MBAC_BITRATE 50*1024 39 40#define DC_MAX 119 41 42extern VLC ff_mb_non_intra_vlc[4]; 43extern VLC ff_inter_intra_vlc; 44 45void ff_msmpeg4_code012(PutBitContext *pb, int n); 46void ff_msmpeg4_common_init(MpegEncContext *s); 47void ff_msmpeg4_encode_block(MpegEncContext * s, int16_t * block, int n); 48void ff_msmpeg4_handle_slices(MpegEncContext *s); 49void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my); 50int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n, 51 uint8_t **coded_block_ptr); 52int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr); 53int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block, 54 int n, int coded, const uint8_t *scan_table); 55int ff_msmpeg4_pred_dc(MpegEncContext *s, int n, 56 int16_t **dc_val_ptr, int *dir_ptr); 57int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64]); 58 59#define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \ 60 CONFIG_MSMPEG4V2_DECODER || \ 61 CONFIG_MSMPEG4V3_DECODER || \ 62 CONFIG_WMV1_DECODER || \ 63 CONFIG_WMV2_DECODER || \ 64 CONFIG_VC1_DECODER) 65#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \ 66 CONFIG_MSMPEG4V3_ENCODER || \ 67 CONFIG_WMV1_ENCODER || \ 68 CONFIG_WMV2_ENCODER) 69 70#endif /* AVCODEC_MSMPEG4_H */ 71