From 2228e360595641dd906bf1773307f43d304f5b2e Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Wed, 11 Jul 2012 10:15:24 -0700 Subject: Snapshot 2bda038c163298531d47394bc2c09e1409c5d0db Change-Id: If584e579464f28b97d50e51fc76ba654a5536c54 --- libAACdec/src/aacdec_drc_types.h | 166 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 libAACdec/src/aacdec_drc_types.h (limited to 'libAACdec/src/aacdec_drc_types.h') diff --git a/libAACdec/src/aacdec_drc_types.h b/libAACdec/src/aacdec_drc_types.h new file mode 100644 index 0000000..3871b4b --- /dev/null +++ b/libAACdec/src/aacdec_drc_types.h @@ -0,0 +1,166 @@ + +/* ----------------------------------------------------------------------------------------------------------- +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 +----------------------------------------------------------------------------------------------------------- */ + +/***************************** MPEG-4 AAC Decoder ************************** + + Author(s): Christian Griebel + Description: Dynamic range control (DRC) global data types + +******************************************************************************/ + +#ifndef AACDEC_DRC_TYPES_H +#define AACDEC_DRC_TYPES_H + + + +#include "common_fix.h" + + #define MAX_DRC_THREADS ( 3 ) /* Heavy compression value is handled just like MPEG DRC data */ +#define MAX_DRC_BANDS ( 16 ) /* 2^LEN_DRC_BAND_INCR (LEN_DRC_BAND_INCR = 4) */ + +/** + * \brief DRC module global data types + */ +typedef enum +{ + UNKNOWN_PAYLOAD = 0, + MPEG_DRC_EXT_DATA = 1, + DVB_DRC_ANC_DATA = 2 + +} AACDEC_DRC_PAYLOAD_TYPE; + +typedef struct +{ + UINT expiryCount; + UINT numBands; + USHORT bandTop[MAX_DRC_BANDS]; + SHORT drcInterpolationScheme; + UCHAR drcValue[MAX_DRC_BANDS]; + SCHAR drcDataType; + +} CDrcChannelData; + +typedef struct +{ + UINT excludedChnsMask; + SCHAR progRefLevel; + SCHAR pceInstanceTag; + + CDrcChannelData channelData; + +} CDrcPayload; + +typedef struct +{ + FIXP_DBL cut; + FIXP_DBL boost; + + UINT expiryFrame; + SCHAR targetRefLevel; + UCHAR bsDelayEnable; + UCHAR applyHeavyCompression; + +} CDrcParams; + + +typedef struct +{ + CDrcParams params; /* Module parameters that can be set by user (via SetParam API function) */ + + UCHAR enable; /* Switch that controls dynamic range processing */ + UCHAR digitalNorm; /* Switch to en-/disable reference level normalization in digital domain */ + + USHORT numPayloads; /* The number of DRC data payload elements found within frame */ + USHORT numThreads; /* The number of DRC data threads extracted from the found payload elements */ + SCHAR progRefLevel; /* Program reference level for all channels */ + + UCHAR dvbAncDataAvailable; /* Flag that indicates whether DVB ancillary data is present or not */ + UINT dvbAncDataPosition; /* Used to store the DVB ancillary data payload position in the bitstream (only one per frame) */ + UINT drcPayloadPosition[MAX_DRC_THREADS]; /* Used to store the DRC payload positions in the bitstream */ + +} CDrcInfo; + +typedef CDrcInfo *HANDLE_AAC_DRC; + +#endif /* AACDEC_DRC_TYPES_H */ + -- cgit v1.2.3