1 files changed, 55 insertions, 0 deletions
diff --git a/libfaad2/tns.h b/libfaad2/tns.h
new file mode 100644
index 0000000000..75a93ddbc4
--- /dev/null
+++ b/libfaad2/tns.h
@@ -0,0 +1,55 @@
+/*
+** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
+** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
+**  
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License as published by
+** the Free Software Foundation; either version 2 of the License, or
+** (at your option) any later version.
+** 
+** This program 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 General Public License for more details.
+** 
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software 
+** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+**
+** Any non-GPL usage of this software or parts of this software is strictly
+** forbidden.
+**
+** Commercial non-GPL licensing of this software is possible.
+** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
+**
+** $Id: tns.h,v 1.8 2003/07/29 08:20:14 menno Exp $
+**/
+
+#ifndef __TNS_H__
+#define __TNS_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define TNS_MAX_ORDER 20
+
+    
+void tns_decode_frame(ic_stream *ics, tns_info *tns, uint8_t sr_index,
+                      uint8_t object_type, real_t *spec, uint16_t frame_len);
+void tns_encode_frame(ic_stream *ics, tns_info *tns, uint8_t sr_index,
+                      uint8_t object_type, real_t *spec, uint16_t frame_len);
+
+static void tns_decode_coef(uint8_t order, uint8_t coef_res_bits, uint8_t coef_compress,
+                            uint8_t *coef, real_t *a);
+static void tns_ar_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *lpc,
+                          uint8_t order);
+static void tns_ma_filter(real_t *spectrum, uint16_t size, int8_t inc, real_t *lpc,
+                          uint8_t order);
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif