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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 /libSBRenc/src/ps_encode.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 (2004-2005)
+ 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.
+
+
+ $Id$
+ Initial author: M. Neuendorf, N. Rettelbach, M. Multrus
+ contents/description: PS Parameter extraction, encoding
+
+ 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.
+
+******************************************************************************/
+/*!
+ \file
+ \brief PS parameter extraction, encoding functions $Revision: 36847 $
+*/
+
+#ifndef __INCLUDED_PS_ENCODE_H
+#define __INCLUDED_PS_ENCODE_H
+
+#include "ps_const.h"
+#include "ps_bitenc.h"
+#include "psenc_hybrid.h"
+
+#define IID_SCALE_FT (64.f) /* maxVal in Quant tab is +/- 50 */
+#define IID_SCALE 6 /* maxVal in Quant tab is +/- 50 */
+#define IID_MAXVAL (1<<IID_SCALE)
+
+#define PS_QUANT_SCALE_FT (64.f) /* error smaller (64-25)/64 * 20 bands * 4 env -> QuantScale 64 */
+#define PS_QUANT_SCALE 6 /* error smaller (64-25)/64 * 20 bands * 4 env -> QuantScale 6 bit */
+
+
+#define QMF_GROUPS_LO_RES 12
+#define SUBQMF_GROUPS_LO_RES 10
+#define QMF_GROUPS_HI_RES 18
+#define SUBQMF_GROUPS_HI_RES 30
+
+
+typedef struct T_PS_DATA {
+
+ INT iidEnable;
+ INT iidEnableLast;
+ INT iidQuantMode;
+ INT iidQuantModeLast;
+ INT iidDiffMode[PS_MAX_ENVELOPES];
+ INT iidIdx [PS_MAX_ENVELOPES][PS_MAX_BANDS];
+ INT iidIdxLast [PS_MAX_BANDS];
+
+ INT iccEnable;
+ INT iccEnableLast;
+ INT iccQuantMode;
+ INT iccQuantModeLast;
+ INT iccDiffMode[PS_MAX_ENVELOPES];
+ INT iccIdx [PS_MAX_ENVELOPES][PS_MAX_BANDS];
+ INT iccIdxLast [PS_MAX_BANDS];
+
+ INT nEnvelopesLast;
+
+ INT headerCnt;
+ INT iidTimeCnt;
+ INT iccTimeCnt;
+ INT noEnvCnt;
+
+} PS_DATA, *HANDLE_PS_DATA;
+
+
+typedef struct T_PS_ENCODE{
+
+ HANDLE_PS_DATA hPsData;
+
+ PS_BANDS psEncMode;
+ INT nQmfIidGroups;
+ INT nSubQmfIidGroups;
+ INT iidGroupBorders[QMF_GROUPS_HI_RES + SUBQMF_GROUPS_HI_RES + 1];
+ INT subband2parameterIndex[QMF_GROUPS_HI_RES + SUBQMF_GROUPS_HI_RES];
+ UCHAR iidGroupWidthLd[QMF_GROUPS_HI_RES + SUBQMF_GROUPS_HI_RES];
+ FIXP_DBL iidQuantErrorThreshold;
+
+ UCHAR psBandNrgScale [PS_MAX_BANDS];
+
+} PS_ENCODE;
+
+
+typedef struct T_PS_ENCODE *HANDLE_PS_ENCODE;
+typedef struct T_PS_CHANNEL_DATA *HANDLE_PS_CHANNEL_DATA;
+
+HANDLE_ERROR_INFO FDKsbrEnc_CreatePSEncode(HANDLE_PS_ENCODE *phPsEncode);
+
+HANDLE_ERROR_INFO FDKsbrEnc_InitPSEncode(HANDLE_PS_ENCODE hPsEncode, const PS_BANDS psEncMode, const FIXP_DBL iidQuantErrorThreshold);
+
+HANDLE_ERROR_INFO FDKsbrEnc_DestroyPSEncode(HANDLE_PS_ENCODE *phPsEncode);
+
+
+HANDLE_ERROR_INFO FDKsbrEnc_PSEncode(HANDLE_PS_ENCODE hPsEncode,
+ HANDLE_PS_OUT hPsOut,
+ HANDLE_PS_CHANNEL_DATA hChanDatal,
+ HANDLE_PS_CHANNEL_DATA hChanDatar,
+ UCHAR *dynBandScale,
+ UINT maxEnvelopes,
+ const int sendHeader);
+
+#endif