1 /* 2 * MSMPEG4 decoder header 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_MSMPEG4DEC_H 23 #define AVCODEC_MSMPEG4DEC_H 24 25 #include "config.h" 26 #include "avcodec.h" 27 #include "mpegvideo.h" 28 29 #define INTER_INTRA_VLC_BITS 3 30 #define MB_NON_INTRA_VLC_BITS 9 31 #define MB_INTRA_VLC_BITS 9 32 33 extern VLC ff_mb_non_intra_vlc[4]; 34 extern VLC ff_inter_intra_vlc; 35 36 int ff_msmpeg4_decode_init(AVCodecContext *avctx); 37 int ff_msmpeg4_decode_picture_header(MpegEncContext *s); 38 int ff_msmpeg4_decode_ext_header(MpegEncContext *s, int buf_size); 39 void ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr); 40 int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block, 41 int n, int coded, const uint8_t *scan_table); 42 43 #define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \ 44 CONFIG_MSMPEG4V2_DECODER || \ 45 CONFIG_MSMPEG4V3_DECODER || \ 46 CONFIG_WMV1_DECODER || \ 47 CONFIG_WMV2_DECODER || \ 48 CONFIG_VC1_DECODER) 49 50 #endif 51