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authorDave Burke <daveburke@google.com>2012-04-17 09:51:45 -0700
committerDave Burke <daveburke@google.com>2012-04-17 23:04:43 -0700
commit9bf37cc9712506b2483650c82d3c41152337ef7e (patch)
tree77db44e2bae06e3d144b255628be2b7a55c581d3 /libAACenc/src/interface.h
parenta37315fe10ee143d6d0b28c19d41a476a23e63ea (diff)
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Fraunhofer AAC codec.
License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
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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: Interface psychoaccoustic/quantizer
+
+******************************************************************************/
+#ifndef _INTERFACE_H
+#define _INTERFACE_H
+
+#include "common_fix.h"
+
+#include "psy_data.h"
+#include "aacenc_tns.h"
+
+enum
+{
+ MS_NONE = 0,
+ MS_SOME = 1,
+ MS_ALL = 2
+};
+
+enum
+{
+ MS_ON = 1
+};
+
+struct TOOLSINFO {
+ INT msDigest; /* 0 = no MS; 1 = some MS, 2 = all MS */
+ INT msMask[MAX_GROUPED_SFB];
+};
+
+
+typedef struct {
+ INT sfbCnt;
+ INT sfbPerGroup;
+ INT maxSfbPerGroup;
+ INT lastWindowSequence;
+ INT windowShape;
+ INT groupingMask;
+ INT sfbOffsets[MAX_GROUPED_SFB+1];
+
+ INT mdctScale; /* number of transform shifts */
+ INT groupLen[MAX_NO_OF_GROUPS];
+
+ TNS_INFO tnsInfo;
+ INT noiseNrg[MAX_GROUPED_SFB];
+ INT isBook[MAX_GROUPED_SFB];
+ INT isScale[MAX_GROUPED_SFB];
+
+ /* memory located in QC_OUT_CHANNEL */
+ FIXP_DBL *mdctSpectrum;
+ FIXP_DBL *sfbEnergy;
+ FIXP_DBL *sfbSpreadEnergy;
+ FIXP_DBL *sfbThresholdLdData;
+ FIXP_DBL *sfbMinSnrLdData;
+ FIXP_DBL *sfbEnergyLdData;
+
+
+ }PSY_OUT_CHANNEL;
+
+typedef struct {
+
+ /* information specific to each channel */
+ PSY_OUT_CHANNEL* psyOutChannel[(2)];
+
+ /* information shared by both channels */
+ INT commonWindow;
+ struct TOOLSINFO toolsInfo;
+
+} PSY_OUT_ELEMENT;
+
+typedef struct {
+
+ PSY_OUT_ELEMENT* psyOutElement[(6)];
+ PSY_OUT_CHANNEL* pPsyOutChannels[(6)];
+
+}PSY_OUT;
+
+#endif /* _INTERFACE_H */