msmpeg4.h
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上传日期:2022-06-04
资源大小:8887k
文件大小:3k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * MSMPEG4 backend for ffmpeg encoder and decoder
- * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
- *
- * 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 msmpeg4.h
- */
- #ifndef FFMPEG_MSMPEG4_H
- #define FFMPEG_MSMPEG4_H
- //#include "config.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 ENABLE_MSMPEG4_DECODER (ENABLE_MSMPEG4V1_DECODER ||
- ENABLE_MSMPEG4V2_DECODER ||
- ENABLE_MSMPEG4V3_DECODER ||
- ENABLE_WMV2_DECODER)
- #define ENABLE_MSMPEG4_ENCODER (ENABLE_MSMPEG4V1_ENCODER ||
- ENABLE_MSMPEG4V2_ENCODER ||
- ENABLE_MSMPEG4V3_ENCODER ||
- ENABLE_WMV2_ENCODER)
- #define ENABLE_MSMPEG4 (ENABLE_MSMPEG4_DECODER || ENABLE_MSMPEG4_ENCODER)
- #define ENABLE_WMV2 (ENABLE_WMV2_DECODER || ENABLE_WMV2_ENCODER)
- #define ENABLE_WMV_DECODER (ENABLE_WMV1_DECODER || ENABLE_WMV2_DECODER)
- #define ENABLE_WMV_ENCODER (ENABLE_WMV1_ENCODER || ENABLE_WMV2_ENCODER)
- #endif /* FFMPEG_MSMPEG4_H */