initial commit, 4.5 stable

thirdparty/libvorbis/lsp.h

@@ -0,0 +1,27 @@
+/********************************************************************
+ *                                                                  *
+ * 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 1994-2009             *
+ * by the Xiph.Org Foundation https://xiph.org/                     *
+ *                                                                  *
+ ********************************************************************
+
+  function: LSP (also called LSF) conversion routines
+
+ ********************************************************************/
+
+
+#ifndef _V_LSP_H_
+#define _V_LSP_H_
+
+extern int vorbis_lpc_to_lsp(float *lpc,float *lsp,int m);
+
+extern void vorbis_lsp_to_curve(float *curve,int *map,int n,int ln,
+                                float *lsp,int m,
+                                float amp,float ampoffset);
+
+#endif