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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
+----------------------------------------------------------------------------- */
+
+/**************************** SBR decoder library ******************************
+
+   Author(s):
+
+   Description:
+
+*******************************************************************************/
+
+/*!
+\file
+\brief Memory layout
+*/
+#ifndef SBR_RAM_H
+#define SBR_RAM_H
+
+#include "sbrdecoder.h"
+
+#include "env_extr.h"
+#include "sbr_dec.h"
+
+#define SBRDEC_MAX_CH_PER_ELEMENT (2)
+
+#define FRAME_OK (0)
+#define FRAME_ERROR (1)
+#define FRAME_ERROR_ALLSLOTS (2)
+
+typedef struct {
+  SBR_CHANNEL *pSbrChannel[SBRDEC_MAX_CH_PER_ELEMENT];
+  TRANSPOSER_SETTINGS
+  transposerSettings; /* Common transport settings for each individual
+                         channel of an element */
+  HANDLE_FDK_BITSTREAM hBs;
+
+  MP4_ELEMENT_ID
+  elementID;     /* Element ID set during initialization. Can be used for
+                    concealment */
+  int nChannels; /* Number of elements output channels (=2 in case of PS) */
+
+  UCHAR frameErrorFlag[(1) + 1]; /* Frame error status (for every slot in the
+                                    delay line). Will be copied into header at
+                                    the very beginning of decodeElement()
+                                    routine. */
+
+  UCHAR useFrameSlot; /* Index which defines which slot will be decoded/filled
+                         next (used with additional delay) */
+  UCHAR useHeaderSlot[(1) + 1]; /* Index array that provides the link between
+                                   header and frame data (important when
+                                   processing with additional delay). */
+} SBR_DECODER_ELEMENT;
+
+struct SBR_DECODER_INSTANCE {
+  SBR_DECODER_ELEMENT *pSbrElement[(8)];
+  SBR_HEADER_DATA sbrHeader[(
+      8)][(1) + 1]; /* Sbr header for each individual channel of an element */
+
+  HANDLE_FDK_QMF_DOMAIN pQmfDomain;
+
+  HANDLE_PS_DEC hParametricStereoDec;
+
+  /* Global parameters */
+  AUDIO_OBJECT_TYPE coreCodec; /* AOT of core codec */
+  int numSbrElements;
+  int numSbrChannels;
+  INT sampleRateIn;  /* SBR decoder input sampling rate; might be different than
+                        the transposer input sampling rate. */
+  INT sampleRateOut; /* Sampling rate of the SBR decoder output audio samples.
+                      */
+  USHORT codecFrameSize;
+  UCHAR synDownsampleFac;
+  INT downscaleFactor;
+  UCHAR numDelayFrames; /* The current number of additional delay frames used
+                           for processing. */
+  UCHAR harmonicSBR;
+  UCHAR
+  numFlushedFrames; /* The variable counts the number of frames which are
+                       flushed consecutively. */
+
+  UINT flags;
+};
+
+H_ALLOC_MEM(Ram_SbrDecElement, SBR_DECODER_ELEMENT)
+H_ALLOC_MEM(Ram_SbrDecChannel, SBR_CHANNEL)
+H_ALLOC_MEM(Ram_SbrDecoder, struct SBR_DECODER_INSTANCE)
+
+H_ALLOC_MEM(Ram_sbr_QmfStatesSynthesis, FIXP_QSS)
+H_ALLOC_MEM(Ram_sbr_OverlapBuffer, FIXP_DBL)
+
+H_ALLOC_MEM(Ram_sbr_HBEOverlapBuffer, FIXP_DBL)
+
+H_ALLOC_MEM(Ram_ps_dec, PS_DEC)
+
+#endif /* SBR_RAM_H */