1 /* 2 * H.261 codec 3 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> 4 * Copyright (c) 2004 Maarten Daniels 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23 /** 24 * @file 25 * H.261 codec. 26 */ 27 28 #ifndef AVCODEC_H261_H 29 #define AVCODEC_H261_H 30 31 #include "mpegvideo.h" 32 #include "rl.h" 33 34 /** 35 * H261Context 36 */ 37 typedef struct H261Context { 38 int mtype; 39 } H261Context; 40 41 #define MB_TYPE_H261_FIL 0x800000 42 43 extern const uint8_t ff_h261_mba_code[35]; 44 extern const uint8_t ff_h261_mba_bits[35]; 45 extern const uint8_t ff_h261_mtype_code[10]; 46 extern const uint8_t ff_h261_mtype_bits[10]; 47 extern const int ff_h261_mtype_map[10]; 48 extern const uint8_t ff_h261_mv_tab[17][2]; 49 extern const uint8_t ff_h261_cbp_tab[63][2]; 50 extern RLTable ff_h261_rl_tcoeff; 51 52 void ff_h261_loop_filter(MpegEncContext *s); 53 54 #endif /* AVCODEC_H261_H */ 55