transfo.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++
- /*
- * FAAD - Freeware Advanced Audio Decoder
- * 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: transfo.h,v 1.4 2002/01/09 22:25:41 wmay Exp $
- */
- #ifndef TRANSFORM_H
- #define TRANSFORM_H
- /* Use this for decoder - single precision */
- typedef float fftw_real;
- /* Use this for encoder - double precision */
- /* typedef double fftw_real; */
- typedef struct {
- fftw_real re, im;
- } fftw_complex;
- #include "all.h"
- #define c_re(c) ((c).re)
- #define c_im(c) ((c).im)
- #define DEFINE_PFFTW(size)
- void pfftwi_##size(fftw_complex *input);
- void pfftw_##size(fftw_complex *input);
- int pfftw_permutation_##size(int i);
- DEFINE_PFFTW(16)
- DEFINE_PFFTW(32)
- DEFINE_PFFTW(64)
- DEFINE_PFFTW(128)
- DEFINE_PFFTW(512)
- void MakeFFTOrder(faacDecHandle hDecoder);
- void IMDCT_Long(faacDecHandle hDecoder, fftw_real *data);
- void IMDCT_Short(faacDecHandle hDecoder, fftw_real *data);
- void MDCT_Long(faacDecHandle hDecoder, fftw_real *data);
- void MDCT_Short(faacDecHandle hDecoder, fftw_real *data);
- #endif /* TRANSFORM_H */