1 files changed, 58 insertions, 0 deletions
diff --git a/transfo.h b/transfo.h
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+++ b/transfo.h
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+/*
+ * 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 2002/01/11 00:55:17 wmaycisco 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     */