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+/******************************** MPEG Audio Encoder **************************
+
+ (C) Copyright Fraunhofer IIS (1999)
+ All Rights Reserved
+
+ Please be advised that this software and/or program delivery is
+ Confidential Information of Fraunhofer and subject to and covered by the
+
+ Fraunhofer IIS Software Evaluation Agreement
+ between Google Inc. and Fraunhofer
+ effective and in full force since March 1, 2012.
+
+ You may use this software and/or program only under the terms and
+ conditions described in the above mentioned Fraunhofer IIS Software
+ Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+ This software and/or program is protected by copyright law and international
+ treaties. Any reproduction or distribution of this software and/or program,
+ or any portion of it, may result in severe civil and criminal penalties, and
+ will be prosecuted to the maximum extent possible under law.
+
+ $Id$
+ Initial author: M.Werner
+ contents/description: Global psychoaccoustic constants
+
+******************************************************************************/
+#ifndef _PSYCONST_H
+#define _PSYCONST_H
+
+
+#define TRUE 1
+#define FALSE 0
+
+ #define TRANS_FAC 8 /* encoder short long ratio */
+
+#define FRAME_MAXLEN_SHORT ((1024)/TRANS_FAC)
+#define FRAME_LEN_SHORT_128 ((1024)/TRANS_FAC)
+#define FRAME_LEN_SHORT_120 (FRAME_LEN_LONG_960/TRANS_FAC)
+
+/* Filterbank type*/
+enum FB_TYPE {
+ FB_LC = 0,
+ FB_LD = 1,
+ FB_ELD = 2
+};
+
+/* Block types */
+#define N_BLOCKTYPES 6
+enum
+{
+ LONG_WINDOW = 0,
+ START_WINDOW,
+ SHORT_WINDOW,
+ STOP_WINDOW,
+ _LOWOV_WINDOW, /* Do not use this block type out side of block_switch.cpp */
+ WRONG_WINDOW
+};
+
+/* Window shapes */
+enum
+{
+ SINE_WINDOW = 0,
+ KBD_WINDOW = 1,
+ LOL_WINDOW = 2 /* Low OverLap window shape for AAC-LD */
+};
+
+/*
+ MS stuff
+*/
+enum
+{
+ SI_MS_MASK_NONE = 0,
+ SI_MS_MASK_SOME = 1,
+ SI_MS_MASK_ALL = 2
+};
+
+
+ #define MAX_NO_OF_GROUPS 4
+ #define MAX_SFB_LONG 51 /* 51 for a memory optimized implementation, maybe 64 for convenient debugging */
+ #define MAX_SFB_SHORT 15 /* 15 for a memory optimized implementation, maybe 16 for convenient debugging */
+
+#define MAX_SFB (MAX_SFB_SHORT > MAX_SFB_LONG ? MAX_SFB_SHORT : MAX_SFB_LONG) /* = 51 */
+#define MAX_GROUPED_SFB (MAX_NO_OF_GROUPS*MAX_SFB_SHORT > MAX_SFB_LONG ? \
+ MAX_NO_OF_GROUPS*MAX_SFB_SHORT : MAX_SFB_LONG) /* = 60 */
+
+#define MAX_INPUT_BUFFER_SIZE (2*(1024)) /* 2048 */
+
+
+#define PCM_LEVEL 1.0f
+#define NORM_PCM (PCM_LEVEL/32768.0f)
+#define NORM_PCM_ENERGY (NORM_PCM*NORM_PCM)
+#define LOG_NORM_PCM -15
+
+#define TNS_PREDGAIN_SCALE (1000)
+
+#define LFE_LOWPASS_LINE 12
+
+#endif /* _PSYCONST_H */