Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 88 insertions, 0 deletions

diff --git a/libAACenc/src/adj_thr_data.h b/libAACenc/src/adj_thr_data.h
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+/*************************  Fast MPEG AAC 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. Schug / A. Groeschel
+   contents/description: threshold calculations
+
+******************************************************************************/
+
+#ifndef __ADJ_THR_DATA_H
+#define __ADJ_THR_DATA_H
+
+
+#include "psy_const.h"
+
+typedef struct {
+   FIXP_DBL clipSaveLow, clipSaveHigh;
+   FIXP_DBL minBitSave, maxBitSave;
+   FIXP_DBL clipSpendLow, clipSpendHigh;
+   FIXP_DBL minBitSpend, maxBitSpend;
+} BRES_PARAM;
+
+typedef struct {
+   INT modifyMinSnr;
+   INT startSfbL, startSfbS;
+} AH_PARAM;
+
+typedef struct {
+  FIXP_DBL maxRed;
+  FIXP_DBL startRatio;
+  FIXP_DBL maxRatio;
+  FIXP_DBL redRatioFac;
+  FIXP_DBL redOffs;
+} MINSNR_ADAPT_PARAM;
+
+typedef struct {
+  /* parameters for bitreservoir control */
+  INT peMin, peMax;
+  /* constant offset to pe               */
+  INT    peOffset;
+  /* constant PeFactor */
+  FIXP_DBL bits2PeFactor_m;
+  INT      bits2PeFactor_e;
+  /* avoid hole parameters               */
+  AH_PARAM ahParam;
+  /* values for correction of pe */
+  /* paramters for adaptation of minSnr */
+  MINSNR_ADAPT_PARAM minSnrAdaptParam;
+  INT peLast;
+  INT dynBitsLast;
+  FIXP_DBL peCorrectionFactor_m;
+  INT      peCorrectionFactor_e;
+
+  /* vbr encoding */
+  FIXP_DBL vbrQualFactor;
+  FIXP_DBL chaosMeasureOld;
+
+  /* threshold weighting */
+  FIXP_DBL chaosMeasureEnFac[(2)];
+  INT      lastEnFacPatch[(2)];
+
+} ATS_ELEMENT;
+
+typedef struct {
+  BRES_PARAM bresParamLong, bresParamShort;
+  ATS_ELEMENT* adjThrStateElem[(6)];
+} ADJ_THR_STATE;
+
+#endif