aboutsummaryrefslogtreecommitdiff
path: root/lib/lpc.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/lpc.h')
-rw-r--r--lib/lpc.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/lpc.h b/lib/lpc.h
new file mode 100644
index 0000000..39d2376
--- /dev/null
+++ b/lib/lpc.h
@@ -0,0 +1,29 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
+ * by the Xiph.Org Foundation http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: LPC low level routines
+ last mod: $Id: lpc.h 16037 2009-05-26 21:10:58Z xiphmont $
+
+ ********************************************************************/
+
+#ifndef _V_LPC_H_
+#define _V_LPC_H_
+
+#include "vorbis/codec.h"
+
+/* simple linear scale LPC code */
+extern float vorbis_lpc_from_data(float *data,float *lpc,int n,int m);
+
+extern void vorbis_lpc_predict(float *coeff,float *prime,int m,
+ float *data,long n);
+
+#endif