intfloat_readwrite.h
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上传日期:2022-06-04
资源大小:8887k
文件大小:1k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
- *
- * 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
- */
- #ifndef FFMPEG_INTFLOAT_READWRITE_H
- #define FFMPEG_INTFLOAT_READWRITE_H
- #include "common.h"
- /* IEEE 80 bits extended float */
- typedef struct AVExtFloat {
- uint8_t exponent[2];
- uint8_t mantissa[8];
- } AVExtFloat;
- double av_int2dbl(int64_t v) av_const;
- float av_int2flt(int32_t v) av_const;
- double av_ext2dbl(const AVExtFloat ext) av_const;
- int64_t av_dbl2int(double d) av_const;
- int32_t av_flt2int(float d) av_const;
- AVExtFloat av_dbl2ext(double d) av_const;
- #endif /* FFMPEG_INTFLOAT_READWRITE_H */