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+/* -----------------------------------------------------------------------------
+Software License for The Fraunhofer FDK AAC Codec Library for Android
+
+© Copyright  1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
+Forschung e.V. All rights reserved.
+
+ 1.    INTRODUCTION
+The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software
+that implements the MPEG Advanced Audio Coding ("AAC") encoding and decoding
+scheme for digital audio. This FDK AAC Codec software is intended to be used on
+a wide variety of Android devices.
+
+AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient
+general perceptual audio codecs. AAC-ELD is considered the best-performing
+full-bandwidth communications codec by independent studies and is widely
+deployed. AAC has been standardized by ISO and IEC as part of the MPEG
+specifications.
+
+Patent licenses for necessary patent claims for the FDK AAC Codec (including
+those of Fraunhofer) may be obtained through Via Licensing
+(www.vialicensing.com) or through the respective patent owners individually for
+the purpose of encoding or decoding bit streams in products that are compliant
+with the ISO/IEC MPEG audio standards. Please note that most manufacturers of
+Android devices already license these patent claims through Via Licensing or
+directly from the patent owners, and therefore FDK AAC Codec software may
+already be covered under those patent licenses when it is used for those
+licensed purposes only.
+
+Commercially-licensed AAC software libraries, including floating-point versions
+with enhanced sound quality, are also available from Fraunhofer. Users are
+encouraged to check the Fraunhofer website for additional applications
+information and documentation.
+
+2.    COPYRIGHT LICENSE
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted without payment of copyright license fees provided that you
+satisfy the following conditions:
+
+You must retain the complete text of this software license in redistributions of
+the FDK AAC Codec or your modifications thereto in source code form.
+
+You must retain the complete text of this software license in the documentation
+and/or other materials provided with redistributions of the FDK AAC Codec or
+your modifications thereto in binary form. You must make available free of
+charge copies of the complete source code of the FDK AAC Codec and your
+modifications thereto to recipients of copies in binary form.
+
+The name of Fraunhofer may not be used to endorse or promote products derived
+from this library without prior written permission.
+
+You may not charge copyright license fees for anyone to use, copy or distribute
+the FDK AAC Codec software or your modifications thereto.
+
+Your modified versions of the FDK AAC Codec must carry prominent notices stating
+that you changed the software and the date of any change. For modified versions
+of the FDK AAC Codec, the term "Fraunhofer FDK AAC Codec Library for Android"
+must be replaced by the term "Third-Party Modified Version of the Fraunhofer FDK
+AAC Codec Library for Android."
+
+3.    NO PATENT LICENSE
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without
+limitation the patents of Fraunhofer, ARE GRANTED BY THIS SOFTWARE LICENSE.
+Fraunhofer provides no warranty of patent non-infringement with respect to this
+software.
+
+You may use this FDK AAC Codec software or modifications thereto only for
+purposes that are authorized by appropriate patent licenses.
+
+4.    DISCLAIMER
+
+This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright
+holders and contributors "AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
+including but not limited to the implied warranties of merchantability and
+fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary,
+or consequential damages, including but not limited to procurement of substitute
+goods or services; loss of use, data, or profits, or business interruption,
+however caused and on any theory of liability, whether in contract, strict
+liability, or tort (including negligence), arising in any way out of the use of
+this software, even if advised of the possibility of such damage.
+
+5.    CONTACT INFORMATION
+
+Fraunhofer Institute for Integrated Circuits IIS
+Attention: Audio and Multimedia Departments - FDK AAC LL
+Am Wolfsmantel 33
+91058 Erlangen, Germany
+
+www.iis.fraunhofer.de/amm
+amm-info@iis.fraunhofer.de
+----------------------------------------------------------------------------- */
+
+/*********************** MPEG surround encoder library *************************
+
+   Author(s):   M. Multrus
+
+   Description: Parameter Extraction
+
+*******************************************************************************/
+
+#ifndef SACENC_PARAMEXTRACT_H
+#define SACENC_PARAMEXTRACT_H
+
+/* Includes ******************************************************************/
+#include "common_fix.h"
+#include "sacenc_lib.h"
+#include "sacenc_const.h"
+#include "sacenc_bitstream.h"
+
+/* Defines *******************************************************************/
+#define MAX_CLD_QUANT_FINE (31)
+#define MAX_CLD_QUANT_COARSE (15)
+#define OFFSET_CLD_QUANT_COARSE (7)
+#define OFFSET_CLD_QUANT_FINE (15)
+
+#define MAX_ICC_QUANT_COARSE (4)
+#define MAX_ICC_QUANT_FINE (8)
+#define OFFSET_ICC_QUANT_COARSE (0)
+#define OFFSET_ICC_QUANT_FINE (0)
+
+#define MAX_NUM_PARAM_BANDS (28)
+
+#define NUM_MAPPED_HYBRID_BANDS (16)
+
+/* Data Types ****************************************************************/
+typedef struct T_TTO_BOX *HANDLE_TTO_BOX;
+
+typedef enum {
+  BOX_SUBBANDS_INVALID = 0,
+  BOX_SUBBANDS_4 = 4,
+  BOX_SUBBANDS_5 = 5,
+  BOX_SUBBANDS_7 = 7,
+  BOX_SUBBANDS_9 = 9,
+  BOX_SUBBANDS_12 = 12,
+  BOX_SUBBANDS_15 = 15,
+  BOX_SUBBANDS_23 = 23
+
+} BOX_SUBBAND_CONFIG;
+
+typedef enum {
+  BOX_QUANTMODE_INVALID = -1,
+  BOX_QUANTMODE_FINE = 0,
+  BOX_QUANTMODE_EBQ1 = 1,
+  BOX_QUANTMODE_EBQ2 = 2,
+  BOX_QUANTMODE_RESERVED3 = 3,
+  BOX_QUANTMODE_RESERVED4 = 4,
+  BOX_QUANTMODE_RESERVED5 = 5,
+  BOX_QUANTMODE_RESERVED6 = 6,
+  BOX_QUANTMODE_RESERVED7 = 7
+
+} BOX_QUANTMODE;
+
+typedef struct T_TTO_BOX_CONFIG {
+  UCHAR bUseCoarseQuantCld;
+  UCHAR bUseCoarseQuantIcc;
+  UCHAR bUseCoherenceIccOnly;
+
+  BOX_SUBBAND_CONFIG subbandConfig;
+  BOX_QUANTMODE boxQuantMode;
+
+  UCHAR nHybridBandsMax;
+
+  UCHAR bFrameKeep;
+
+} TTO_BOX_CONFIG;
+
+/* Constants *****************************************************************/
+
+/* Function / Class Declarations *********************************************/
+FDK_SACENC_ERROR fdk_sacenc_createTtoBox(HANDLE_TTO_BOX *hTtoBox);
+
+FDK_SACENC_ERROR fdk_sacenc_initTtoBox(HANDLE_TTO_BOX hTtoBox,
+                                       const TTO_BOX_CONFIG *const ttoBoxConfig,
+                                       UCHAR *pParameterBand2HybridBandOffset);
+
+FDK_SACENC_ERROR fdk_sacenc_destroyTtoBox(HANDLE_TTO_BOX *hTtoBox);
+
+FDK_SACENC_ERROR fdk_sacenc_applyTtoBox(
+    HANDLE_TTO_BOX hTtoBox, const INT nTimeSlots, const INT startTimeSlot,
+    const INT nHybridBands, const FIXP_DPK *const *const ppHybridData1__FDK,
+    const FIXP_DPK *const *const ppHybridData2__FDK, SCHAR *const pIccIdx,
+    UCHAR *const pbIccQuantCoarse, SCHAR *const pCldIdx,
+    UCHAR *const pbCldQuantCoarse, const INT bUseBBCues, INT *scaleCh0,
+    INT *scaleCh1);
+
+INT fdk_sacenc_subband2ParamBand(const BOX_SUBBAND_CONFIG boxSubbandConfig,
+                                 const INT nSubband);
+
+const INT *fdk_sacenc_getSubbandImagSign();
+
+void fdk_sacenc_calcParameterBand2HybridBandOffset(
+    const BOX_SUBBAND_CONFIG subbandConfig, const INT nHybridBands,
+    UCHAR *pParameterBand2HybridBandOffset);
+
+/* Function / Class Definition ***********************************************/
+static inline UCHAR fdk_sacenc_getCldQuantOffset(const INT bUseCoarseQuant) {
+  return ((bUseCoarseQuant) ? OFFSET_CLD_QUANT_COARSE : OFFSET_CLD_QUANT_FINE);
+}
+static inline UCHAR fdk_sacenc_getIccQuantOffset(const INT bUseCoarseQuant) {
+  return ((bUseCoarseQuant) ? OFFSET_ICC_QUANT_COARSE : OFFSET_ICC_QUANT_FINE);
+}
+
+static inline UCHAR fdk_sacenc_getNumberCldQuantLevels(
+    const INT bUseCoarseQuant) {
+  return ((bUseCoarseQuant) ? MAX_CLD_QUANT_COARSE : MAX_CLD_QUANT_FINE);
+}
+static inline UCHAR fdk_sacenc_getNumberIccQuantLevels(
+    const INT bUseCoarseQuant) {
+  return ((bUseCoarseQuant) ? MAX_ICC_QUANT_COARSE : MAX_ICC_QUANT_FINE);
+}
+
+#endif /* SACENC_PARAMEXTRACT_H */