Snapshot 2bda038c163298531d47394bc2c09e1409c5d0db

Change-Id: If584e579464f28b97d50e51fc76ba654a5536c54

1 files changed, 150 insertions, 0 deletions

diff --git a/libAACenc/src/adj_thr_data.h b/libAACenc/src/adj_thr_data.h
new file mode 100644
index 0000000..d209a51
--- /dev/null
+++ b/libAACenc/src/adj_thr_data.h
@@ -0,0 +1,150 @@
+
+/* -----------------------------------------------------------------------------------------------------------
+Software License for The Fraunhofer FDK AAC Codec Library for Android
+
+© Copyright  1995 - 2012 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
+  All rights reserved.
+
+ 1.    INTRODUCTION
+The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements
+the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio.
+This FDK AAC Codec software is intended to be used on a wide variety of Android devices.
+
+AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual
+audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by
+independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part
+of the MPEG specifications.
+
+Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer)
+may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners
+individually for the purpose of encoding or decoding bit streams in products that are compliant with
+the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license
+these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec
+software may already be covered under those patent licenses when it is used for those licensed purposes only.
+
+Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality,
+are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional
+applications information and documentation.
+
+2.    COPYRIGHT LICENSE
+
+Redistribution and use in source and binary forms, with or without modification, are permitted without
+payment of copyright license fees provided that you satisfy the following conditions:
+
+You must retain the complete text of this software license in redistributions of the FDK AAC Codec or
+your modifications thereto in source code form.
+
+You must retain the complete text of this software license in the documentation and/or other materials
+provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form.
+You must make available free of charge copies of the complete source code of the FDK AAC Codec and your
+modifications thereto to recipients of copies in binary form.
+
+The name of Fraunhofer may not be used to endorse or promote products derived from this library without
+prior written permission.
+
+You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec
+software or your modifications thereto.
+
+Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software
+and the date of any change. For modified versions of the FDK AAC Codec, the term
+"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term
+"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android."
+
+3.    NO PATENT LICENSE
+
+NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer,
+ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with
+respect to this software.
+
+You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized
+by appropriate patent licenses.
+
+4.    DISCLAIMER
+
+This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors
+"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties
+of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages,
+including but not limited to procurement of substitute goods or services; loss of use, data, or profits,
+or business interruption, however caused and on any theory of liability, whether in contract, strict
+liability, or tort (including negligence), arising in any way out of the use of this software, even if
+advised of the possibility of such damage.
+
+5.    CONTACT INFORMATION
+
+Fraunhofer Institute for Integrated Circuits IIS
+Attention: Audio and Multimedia Departments - FDK AAC LL
+Am Wolfsmantel 33
+91058 Erlangen, Germany
+
+www.iis.fraunhofer.de/amm
+amm-info@iis.fraunhofer.de
+----------------------------------------------------------------------------------------------------------- */
+
+/*************************  Fast MPEG AAC Audio Encoder  **********************
+
+   Initial author:       M. Schug / A. Groeschel
+   contents/description: threshold calculations
+
+******************************************************************************/
+
+#ifndef __ADJ_THR_DATA_H
+#define __ADJ_THR_DATA_H
+
+
+#include "psy_const.h"
+
+typedef struct {
+   FIXP_DBL clipSaveLow, clipSaveHigh;
+   FIXP_DBL minBitSave, maxBitSave;
+   FIXP_DBL clipSpendLow, clipSpendHigh;
+   FIXP_DBL minBitSpend, maxBitSpend;
+} BRES_PARAM;
+
+typedef struct {
+   INT modifyMinSnr;
+   INT startSfbL, startSfbS;
+} AH_PARAM;
+
+typedef struct {
+  FIXP_DBL maxRed;
+  FIXP_DBL startRatio;
+  FIXP_DBL maxRatio;
+  FIXP_DBL redRatioFac;
+  FIXP_DBL redOffs;
+} MINSNR_ADAPT_PARAM;
+
+typedef struct {
+  /* parameters for bitreservoir control */
+  INT peMin, peMax;
+  /* constant offset to pe               */
+  INT    peOffset;
+  /* constant PeFactor */
+  FIXP_DBL bits2PeFactor_m;
+  INT      bits2PeFactor_e;
+  /* avoid hole parameters               */
+  AH_PARAM ahParam;
+  /* values for correction of pe */
+  /* paramters for adaptation of minSnr */
+  MINSNR_ADAPT_PARAM minSnrAdaptParam;
+  INT peLast;
+  INT dynBitsLast;
+  FIXP_DBL peCorrectionFactor_m;
+  INT      peCorrectionFactor_e;
+
+  /* vbr encoding */
+  FIXP_DBL vbrQualFactor;
+  FIXP_DBL chaosMeasureOld;
+
+  /* threshold weighting */
+  FIXP_DBL chaosMeasureEnFac[(2)];
+  INT      lastEnFacPatch[(2)];
+
+} ATS_ELEMENT;
+
+typedef struct {
+  BRES_PARAM bresParamLong, bresParamShort;
+  ATS_ELEMENT* adjThrStateElem[(6)];
+} ADJ_THR_STATE;
+
+#endif