Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 160 insertions, 0 deletions

diff --git a/libSBRenc/src/ps_main.h b/libSBRenc/src/ps_main.h
new file mode 100644
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--- /dev/null
+++ b/libSBRenc/src/ps_main.h
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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 Authors:      Markus Multrus
+   Contents/Description: PS Wrapper, Downmix header file
+
+   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.
+
+******************************************************************************/
+#ifndef __INCLUDED_PS_MAIN_H
+#define __INCLUDED_PS_MAIN_H
+
+/* Includes ******************************************************************/
+#include "sbr_def.h"
+#include "psenc_hybrid.h"
+#include "ps_encode.h"
+#include "FDK_bitstream.h"
+
+/* Data Types ****************************************************************/
+typedef enum {
+  PSENC_STEREO_BANDS_INVALID = 0,
+  PSENC_STEREO_BANDS_10 = 10,
+  PSENC_STEREO_BANDS_20 = 20,
+  PSENC_STEREO_BANDS_34 = 34
+} PSENC_STEREO_BANDS_CONFIG;
+
+typedef enum {
+  PSENC_NENV_1 = 1,
+  PSENC_NENV_2 = 2,
+  PSENC_NENV_4 = 4,
+  PSENC_NENV_DEFAULT = PSENC_NENV_2,
+  PSENC_NENV_MAX = PSENC_NENV_4
+} PSENC_NENV_CONFIG;
+
+#define MAX_PS_CHANNELS          (  2 )
+#define PSENC_QMF_BUFFER_LENGTH  ( 48 )
+
+typedef struct {
+
+  UINT              bitrateFrom;   /* inclusive */
+  UINT              bitrateTo;     /* exclusive */
+  PSENC_STEREO_BANDS_CONFIG nStereoBands;
+  PSENC_NENV_CONFIG         nEnvelopes;
+  LONG                      iidQuantErrorThreshold;  /* quantization threshold to switch between coarse and fine iid quantization */
+
+} psTuningTable_t;
+
+/* Function / Class Declarations *********************************************/
+
+typedef struct T_PS_QMF_DATA
+{
+  FIXP_QMF *rQmfData[PSENC_QMF_BUFFER_LENGTH];
+  FIXP_QMF *iQmfData[PSENC_QMF_BUFFER_LENGTH];
+  INT     nCols;
+  INT     nRows;
+  INT     bufferReadOffset;
+  INT     bufferReadOffsetHybrid;
+  INT     bufferWriteOffset;
+  INT     bufferLength;
+} PS_QMF_DATA, *HANDLE_PS_QMF_DATA;
+
+typedef struct T_PS_CHANNEL_DATA {
+  HANDLE_PS_QMF_DATA         hPsQmfData;
+
+  int                        psQmfScale;
+  HANDLE_PS_HYBRID_DATA      hHybData;
+  HANDLE_PS_HYBRID           hHybAna;
+  INT                        psChannelDelay; /* delay in samples */
+} PS_CHANNEL_DATA, *HANDLE_PS_CHANNEL_DATA;
+
+typedef struct T_PARAMETRIC_STEREO {
+
+  HANDLE_PS_HYBRID_CONFIG     hHybridConfig;
+  HANDLE_PS_CHANNEL_DATA      hPsChannelData[MAX_PS_CHANNELS];
+  HANDLE_PS_ENCODE            hPsEncode;
+  HANDLE_PS_OUT               hPsOut[2];
+
+  FIXP_QMF  *qmfDelayReal[QMF_MAX_TIME_SLOTS>>1];
+  FIXP_QMF  *qmfDelayImag[QMF_MAX_TIME_SLOTS>>1];
+  FIXP_QMF  *qmfDelayRealRef;
+  FIXP_QMF  *qmfDelayImagRef;
+  int        qmfDelayScale;
+
+  INT                         psDelay;
+  UINT                        maxEnvelopes;
+  UCHAR                       dynBandScale[PS_MAX_BANDS];
+  FIXP_DBL                    maxBandValue[PS_MAX_BANDS];
+  SCHAR                       dmxScale;
+  INT                         initPS;
+  INT                         noQmfSlots;
+  INT                         noQmfBands;
+
+} PARAMETRIC_STEREO;
+
+
+
+typedef struct T_PSENC_CONFIG {
+
+  INT                       frameSize;
+  INT                       qmfFilterMode;
+  INT                       sbrPsDelay;
+  PSENC_STEREO_BANDS_CONFIG nStereoBands;
+  PSENC_NENV_CONFIG         maxEnvelopes;
+  FIXP_DBL                  iidQuantErrorThreshold;
+
+} PSENC_CONFIG, *HANDLE_PSENC_CONFIG;
+
+typedef struct T_PARAMETRIC_STEREO *HANDLE_PARAMETRIC_STEREO;
+
+
+HANDLE_ERROR_INFO
+PSEnc_Create(HANDLE_PARAMETRIC_STEREO *phParametricStereo);
+
+HANDLE_ERROR_INFO
+PSEnc_Init(HANDLE_PARAMETRIC_STEREO    hParametricStereo,
+             HANDLE_PSENC_CONFIG       hPsEncConfig,
+             INT                       noQmfSlots,
+             INT                       noQmfBands
+            ,UCHAR                   *dynamic_RAM
+            );
+
+HANDLE_ERROR_INFO
+UpdatePSQmfData_second(HANDLE_PARAMETRIC_STEREO hParametricStereo);
+
+HANDLE_ERROR_INFO
+PSEnc_Destroy(HANDLE_PARAMETRIC_STEREO *hParametricStereo);
+
+
+HANDLE_ERROR_INFO
+FDKsbrEnc_PSEnc_ParametricStereoProcessing(HANDLE_PARAMETRIC_STEREO hParametricStereo,
+                                           FIXP_QMF **RESTRICT qmfRealData,
+                                           FIXP_QMF **RESTRICT qmfImagData,
+                                           INT                 qmfOffset,
+                                           INT_PCM            *downsampledOutSignal,
+                                           HANDLE_QMF_FILTER_BANK sbrSynthQmf,
+                                           SCHAR              *qmfScale,
+                                           const int           sendHeader);
+
+INT
+FDKsbrEnc_PSEnc_WritePSData(HANDLE_PARAMETRIC_STEREO hParametricStereo, HANDLE_FDK_BITSTREAM hBitstream);
+
+#endif /* __INCLUDED_PS_MAIN_H */