Start on built-in LAME

Using LAME 3.10
Windows project files substantially changed from original, and included into audacity solution.

lib-src/libmp3lame/vector/lame_intrin.h

@@ -0,0 +1,33 @@
+/*
+ *      lame_intrin.h include file
+ *
+ *      Copyright (c) 2006 Gabriel Bouvigne
+ *
+ * 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.
+ */
+
+
+#ifndef LAME_INTRIN_H
+#define LAME_INTRIN_H
+
+
+void
+init_xrpow_core_sse(gr_info * const cod_info, FLOAT xrpow[576], int upper, FLOAT * sum);
+
+void
+fht_SSE2(FLOAT* , int);
+
+#endif