From 9bf37cc9712506b2483650c82d3c41152337ef7e Mon Sep 17 00:00:00 2001 From: Dave Burke Date: Tue, 17 Apr 2012 09:51:45 -0700 Subject: Fraunhofer AAC codec. License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5 --- libAACdec/src/aacdec_drc.h | 105 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 libAACdec/src/aacdec_drc.h (limited to 'libAACdec/src/aacdec_drc.h') diff --git a/libAACdec/src/aacdec_drc.h b/libAACdec/src/aacdec_drc.h new file mode 100644 index 0000000..c48a720 --- /dev/null +++ b/libAACdec/src/aacdec_drc.h @@ -0,0 +1,105 @@ +/***************************** MPEG-4 AAC Decoder ************************** + + (C) Copyright Fraunhofer IIS (2004) + 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. + + + $Id$ + Author(s): Christian Griebel + Description: Dynamic range control (DRC) decoder tool for AAC + + 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 AACDEC_DRC_H +#define AACDEC_DRC_H + +#include "tp_data.h" /* for program config element support */ + + +#include "aacdec_drc_types.h" +#include "channel.h" +#include "FDK_bitstream.h" + +#define AACDEC_DRC_DEFAULT_REF_LEVEL ( 108 ) /* -27 dB below full scale (typical for movies) */ +#define AACDEC_DRC_DFLT_EXPIRY_FRAMES ( 40 ) /* Default DRC data expiry time in AAC frames */ +#define MAX_SBR_SYN_CHAN ( 64 ) +#define MAX_SBR_COLS ( 32 ) + + +/** + * \brief DRC module setting parameters + */ +typedef enum +{ + DRC_CUT_SCALE = 0, + DRC_BOOST_SCALE, + TARGET_REF_LEVEL, + DRC_BS_DELAY, + DRC_DATA_EXPIRY_FRAME, + APPLY_HEAVY_COMPRESSION + +} AACDEC_DRC_PARAM; + + +/** + * \brief DRC module interface functions + */ +void aacDecoder_drcInit ( + HANDLE_AAC_DRC self ); + +void aacDecoder_drcInitChannelData ( + CDrcChannelData *pDrcChannel ); + +AAC_DECODER_ERROR aacDecoder_drcSetParam ( + HANDLE_AAC_DRC self, + AACDEC_DRC_PARAM param, + INT value ); + +int aacDecoder_drcMarkPayload ( + HANDLE_AAC_DRC self, + HANDLE_FDK_BITSTREAM hBs, + AACDEC_DRC_PAYLOAD_TYPE type ); + +int aacDecoder_drcProlog ( + HANDLE_AAC_DRC self, + HANDLE_FDK_BITSTREAM hBs, + CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo[], + UCHAR pceInstanceTag, + UCHAR channelMapping[], + int numChannels ); + +void aacDecoder_drcApply ( + HANDLE_AAC_DRC self, + void *pSbrDec, + CAacDecoderChannelInfo *pAacDecoderChannelInfo, + CDrcChannelData *pDrcDat, + int ch, + int aacFrameSize, + int bSbrPresent ); + +int aacDecoder_drcEpilog ( + HANDLE_AAC_DRC self, + HANDLE_FDK_BITSTREAM hBs, + CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo[], + UCHAR pceInstanceTag, + UCHAR channelMapping[], + int validChannels ); + + +#endif /* AACDEC_DRC_H */ -- cgit v1.2.3