From 9bf37cc9712506b2483650c82d3c41152337ef7e Mon Sep 17 00:00:00 2001
From: Dave Burke <daveburke@google.com>
Date: Tue, 17 Apr 2012 09:51:45 -0700
Subject: Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
---
 libSBRdec/src/sbr_ram.h | 100 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 libSBRdec/src/sbr_ram.h

(limited to 'libSBRdec/src/sbr_ram.h')

diff --git a/libSBRdec/src/sbr_ram.h b/libSBRdec/src/sbr_ram.h
new file mode 100644
index 0000000..378d3c9
--- /dev/null
+++ b/libSBRdec/src/sbr_ram.h
@@ -0,0 +1,100 @@
+/****************************************************************************
+
+                     (C) Copyright Fraunhofer IIS (2005)
+                               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.
+
+ $Id$
+
+*******************************************************************************/
+/*!
+\file
+\brief Memory layout
+$Revision: 36841 $
+*/
+#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)
+
+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[(4)];
+  SBR_HEADER_DATA       sbrHeader[(4)][(1)+1];      /* Sbr header for each individual channel of an element */
+
+  FIXP_DBL *workBuffer1;
+  FIXP_DBL *workBuffer2;
+
+  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;
+  UCHAR numDelayFrames;        /* The current number of additional delay frames used for processing. */
+
+  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_ps_dec, PS_DEC)
+
+
+H_ALLOC_MEM_OVERLAY(Ram_SbrDecWorkBuffer1, FIXP_DBL)
+H_ALLOC_MEM_OVERLAY(Ram_SbrDecWorkBuffer2, FIXP_DBL)
+
+
+#endif /* _SBR_RAM_H_ */
-- 
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