1 files changed, 51 insertions, 0 deletions
diff --git a/src/libfaad/pns.h b/src/libfaad/pns.h
new file mode 100644
index 000000000..6cbcf00b8
--- /dev/null
+++ b/src/libfaad/pns.h
@@ -0,0 +1,51 @@
+/*
+** FAAD - Freeware Advanced Audio Decoder
+** Copyright (C) 2002 M. Bakker
+**  
+** 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.
+**
+** $Id: pns.h,v 1.1 2002/07/14 23:43:01 miguelfreitas Exp $
+**/
+
+#ifndef __PNS_H__
+#define __PNS_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "syntax.h"
+#include "common.h"
+
+#define NOISE_OFFSET 90
+#define MEAN_NRG 1.537228e+18 /* (2^31)^2 / 3 */
+
+
+void pns_decode(ic_stream *ics, real_t *spec, uint16_t frame_len);
+
+static INLINE int32_t random2();
+static void gen_rand_vector(real_t *spec, uint16_t scale_factor, uint16_t size);
+
+static INLINE uint8_t is_noise(ic_stream *ics, uint8_t group, uint8_t sfb)
+{
+    if (ics->sfb_cb[group][sfb] == NOISE_HCB)
+        return 1;
+    return 0;
+}
+
+#ifdef __cplusplus
+}
+#endif
+#endif