diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst-libs/gst/fft/gstfft.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/gst-libs/gst/fft/gstfft.h	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,53 @@
+/* GStreamer
+ * Copyright (C) <2007> Sebastian Dröge <slomo@circular-chaos.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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.
+ */
+
+#include <glib.h>
+#include <math.h>
+
+#ifndef __GST_FFT_H__
+#define __GST_FFT_H__
+
+/**
+ * GstFFTWindow:
+ * @GST_FFT_WINDOW_RECTANGULAR: Rectangular window
+ * @GST_FFT_WINDOW_HAMMING: Hamming window
+ * @GST_FFT_WINDOW_HANN: Hann (sometimes also called Hanning) window
+ * @GST_FFT_WINDOW_BARTLETT: Bartlett window
+ * @GST_FFT_WINDOW_BLACKMAN: Blackman window
+ *
+ * The various window functions available.
+ */
+typedef enum
+{
+  GST_FFT_WINDOW_RECTANGULAR,
+  GST_FFT_WINDOW_HAMMING,
+  GST_FFT_WINDOW_HANN,
+  GST_FFT_WINDOW_BARTLETT,
+  GST_FFT_WINDOW_BLACKMAN
+} GstFFTWindow;
+
+/* Functions */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+gint gst_fft_next_fast_length (gint n);
+
+#endif /* __GST_FFT_H__ */