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
---
 libAACenc/src/aacEnc_ram.cpp | 132 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 libAACenc/src/aacEnc_ram.cpp

(limited to 'libAACenc/src/aacEnc_ram.cpp')

diff --git a/libAACenc/src/aacEnc_ram.cpp b/libAACenc/src/aacEnc_ram.cpp
new file mode 100644
index 0000000..3122bb8
--- /dev/null
+++ b/libAACenc/src/aacEnc_ram.cpp
@@ -0,0 +1,132 @@
+/******************************************************************************
+
+                     (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:
+   Initial authors:      M. Lohwasser, M. Gayer
+   Contents/description:
+
+******************************************************************************/
+/*!
+  \file
+  \brief  Memory layout  $Revision: 36838 $
+  \author Markus Lohwasser
+*/
+
+#include "aacEnc_ram.h"
+
+  C_ALLOC_MEM (AACdynamic_RAM, FIXP_DBL, AAC_ENC_DYN_RAM_SIZE/sizeof(FIXP_DBL))
+
+/*
+  Static memory areas, must not be overwritten in other sections of the decoder !
+*/
+
+/*
+ The structure AacEncoder contains all Encoder structures.
+*/
+
+C_ALLOC_MEM (Ram_aacEnc_AacEncoder,           AAC_ENC,          1)
+
+
+/*
+   The structure PSY_INTERNAl contains all psych configuration and data pointer.
+   * PsyStatic holds last and current Psych data.
+   * PsyInputBuffer contains time input. Signal is needed at the beginning of Psych.
+     Memory can be reused after signal is in time domain.
+   * PsyData contains spectral, nrg and threshold information. Necessary data are
+     copied into PsyOut, so memory is available after leaving psych.
+   * TnsData, ChaosMeasure, PnsData are temporarily necessary, e.g. use memory from
+     PsyInputBuffer.
+*/
+
+C_ALLOC_MEM2 (Ram_aacEnc_PsyElement, PSY_ELEMENT, 1, (6))
+
+C_ALLOC_MEM  (Ram_aacEnc_PsyInternal, PSY_INTERNAL, 1)
+C_ALLOC_MEM2 (Ram_aacEnc_PsyStatic,   PSY_STATIC,   1, (6))
+
+C_ALLOC_MEM2 (Ram_aacEnc_PsyInputBuffer, INT_PCM, MAX_INPUT_BUFFER_SIZE, (6))
+
+  PSY_DYNAMIC *GetRam_aacEnc_PsyDynamic (int n, UCHAR* dynamic_RAM) {
+      FDK_ASSERT(dynamic_RAM!=0);
+      return ((PSY_DYNAMIC*) (dynamic_RAM + P_BUF_1 + n*sizeof(PSY_DYNAMIC)));
+  }
+
+  C_ALLOC_MEM (Ram_bsOutbuffer, UCHAR, OUTPUTBUFFER_SIZE)
+
+/*
+   The structure PSY_OUT holds all psychoaccoustic data needed
+   in quantization module
+*/
+C_ALLOC_MEM2 (Ram_aacEnc_PsyOut,         PSY_OUT, 1, (1))
+
+C_ALLOC_MEM2 (Ram_aacEnc_PsyOutElements, PSY_OUT_ELEMENT, 1, (1)*(6))
+C_ALLOC_MEM2 (Ram_aacEnc_PsyOutChannel,  PSY_OUT_CHANNEL, 1, (1)*(6))
+
+
+/*
+   The structure QC_STATE contains preinitialized settings and quantizer structures.
+   * AdjustThreshold structure contains element-wise settings.
+   * ElementBits contains elemnt-wise bit consumption settings.
+   * When CRC is active, lookup table is necessary for fast crc calculation.
+   * Bitcounter contains buffer to find optimal codebooks and minimal bit consumption.
+     Values are temporarily, so dynamic memory can be used.
+*/
+
+C_ALLOC_MEM (Ram_aacEnc_QCstate, QC_STATE, 1)
+C_ALLOC_MEM (Ram_aacEnc_AdjustThreshold, ADJ_THR_STATE, 1)
+
+C_ALLOC_MEM2 (Ram_aacEnc_AdjThrStateElement, ATS_ELEMENT, 1, (6))
+C_ALLOC_MEM2 (Ram_aacEnc_ElementBits, ELEMENT_BITS, 1, (6))
+C_ALLOC_MEM (Ram_aacEnc_BitCntrState, BITCNTR_STATE, 1)
+
+  INT *GetRam_aacEnc_BitLookUp(int n, UCHAR* dynamic_RAM) {
+    FDK_ASSERT(dynamic_RAM!=0);
+    return ((INT*) (dynamic_RAM + P_BUF_1));
+  }
+  INT *GetRam_aacEnc_MergeGainLookUp(int n, UCHAR* dynamic_RAM) {
+    FDK_ASSERT(dynamic_RAM!=0);
+    return ((INT*) (dynamic_RAM + P_BUF_1 + sizeof(INT)*(MAX_SFB_LONG*(CODE_BOOK_ESC_NDX+1))));
+  }
+
+
+/*
+   The structure QC_OUT contains settings and structures holding all necessary information
+   needed in bitstreamwriter.
+*/
+
+C_ALLOC_MEM2 (Ram_aacEnc_QCout, QC_OUT, 1, (1))
+C_ALLOC_MEM2 (Ram_aacEnc_QCelement, QC_OUT_ELEMENT, 1, (1)*(6))
+  QC_OUT_CHANNEL *GetRam_aacEnc_QCchannel (int n, UCHAR* dynamic_RAM) {
+      FDK_ASSERT(dynamic_RAM!=0);
+      return ((QC_OUT_CHANNEL*) (dynamic_RAM + P_BUF_0 + n*sizeof(QC_OUT_CHANNEL)));
+  }
+
+
+
+
+
+
+
+
+
+
+
+
-- 
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