util.h
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:2k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * FAAC - Freeware Advanced Audio Coder
- * Copyright (C) 2001 Menno Bakker
- *
- * This library 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.
- *
- * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * $Id: util.h,v 1.4 2001/09/05 20:51:15 wmay Exp $
- */
- #ifndef UTIL_H
- #define UTIL_H
- #ifdef __cplusplus
- extern "C" {
- #endif /* __cplusplus */
- #include <stdlib.h>
- #include <memory.h>
- #ifndef max
- #define max(a, b) (((a) > (b)) ? (a) : (b))
- #endif
- #ifndef min
- #define min(a, b) (((a) < (b)) ? (a) : (b))
- #endif
- #ifndef M_PI
- #define M_PI 3.14159265358979323846
- #endif
- /* Memory functions */
- #define AllocMemory(size) malloc(size)
- #define FreeMemory(block) free(block)
- #define SetMemory(block, value, size) memset(block, value, size)
- int GetSRIndex(unsigned int sampleRate);
- int GetMaxPredSfb(int samplingRateIdx);
- unsigned int MaxBitrate(unsigned long sampleRate);
- unsigned int MinBitrate();
- unsigned int MaxBitresSize(unsigned long bitRate, unsigned long sampleRate);
- unsigned int BitAllocation(double pe, int short_block);
- int IsBigEndian();
- #ifdef __cplusplus
- }
- #endif /* __cplusplus */
- #endif /* UTIL_H */