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authorDave Burke <daveburke@google.com>2012-04-17 09:51:45 -0700
committerDave Burke <daveburke@google.com>2012-04-17 23:04:43 -0700
commit9bf37cc9712506b2483650c82d3c41152337ef7e (patch)
tree77db44e2bae06e3d144b255628be2b7a55c581d3 /libAACenc/src/dyn_bits.h
parenta37315fe10ee143d6d0b28c19d41a476a23e63ea (diff)
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Fraunhofer AAC codec.
License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
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+/******************************** MPEG 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.Werner
+ contents/description: Noiseless coder module
+
+******************************************************************************/
+#ifndef __DYN_BITS_H
+#define __DYN_BITS_H
+
+#include "common_fix.h"
+
+#include "psy_const.h"
+#include "aacenc_tns.h"
+
+#define MAX_SECTIONS MAX_GROUPED_SFB
+#define SECT_ESC_VAL_LONG 31
+#define SECT_ESC_VAL_SHORT 7
+#define CODE_BOOK_BITS 4
+#define SECT_BITS_LONG 5
+#define SECT_BITS_SHORT 3
+#define PNS_PCM_BITS 9
+
+typedef struct
+{
+ INT codeBook;
+ INT sfbStart;
+ INT sfbCnt;
+ INT sectionBits; /* huff + si ! */
+} SECTION_INFO;
+
+
+typedef struct
+{
+ INT blockType;
+ INT noOfGroups;
+ INT sfbCnt;
+ INT maxSfbPerGroup;
+ INT sfbPerGroup;
+ INT noOfSections;
+ SECTION_INFO huffsection[MAX_SECTIONS];
+ INT sideInfoBits; /* sectioning bits */
+ INT huffmanBits; /* huffman coded bits */
+ INT scalefacBits; /* scalefac coded bits */
+ INT noiseNrgBits; /* noiseEnergy coded bits */
+ INT firstScf; /* first scf to be coded */
+} SECTION_DATA;
+
+
+struct BITCNTR_STATE
+{
+ INT *bitLookUp;
+ INT *mergeGainLookUp;
+};
+
+
+INT FDKaacEnc_BCNew(BITCNTR_STATE **phBC
+ ,UCHAR* dynamic_RAM
+ );
+
+void FDKaacEnc_BCClose(BITCNTR_STATE **phBC);
+
+#if defined(PNS_PRECOUNT_ENABLE)
+INT noisePreCount(const INT *noiseNrg, INT maxSfb);
+#endif
+
+INT FDKaacEnc_dynBitCount(
+ BITCNTR_STATE* const hBC,
+ const SHORT* const quantSpectrum,
+ const UINT* const maxValueInSfb,
+ const INT* const scalefac,
+ const INT blockType,
+ const INT sfbCnt,
+ const INT maxSfbPerGroup,
+ const INT sfbPerGroup,
+ const INT* const sfbOffset,
+ SECTION_DATA* const RESTRICT sectionData,
+ const INT* const noiseNrg,
+ const INT* const isBook,
+ const INT* const isScale,
+ const UINT syntaxFlags
+ );
+
+#endif