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
---
 libSBRenc/src/ps_encode.h | 117 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 libSBRenc/src/ps_encode.h

(limited to 'libSBRenc/src/ps_encode.h')

diff --git a/libSBRenc/src/ps_encode.h b/libSBRenc/src/ps_encode.h
new file mode 100644
index 0000000..6ce9d1f
--- /dev/null
+++ b/libSBRenc/src/ps_encode.h
@@ -0,0 +1,117 @@
+/*****************************  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
-- 
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