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authorDave Burke <daveburke@google.com>2012-04-17 09:51:45 -0700
committerDave Burke <daveburke@google.com>2012-04-17 23:04:43 -0700
commit9bf37cc9712506b2483650c82d3c41152337ef7e (patch)
tree77db44e2bae06e3d144b255628be2b7a55c581d3 /libSBRenc/src/bit_sbr.h
parenta37315fe10ee143d6d0b28c19d41a476a23e63ea (diff)
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Fraunhofer AAC codec.
License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
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+/****************************************************************************
+
+ (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.
+
+
+ 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.
+
+ $Id$
+
+*******************************************************************************/
+/*!
+ \file
+ \brief SBR bit writing $Revision: 36867 $
+*/
+#ifndef __BIT_SBR_H
+#define __BIT_SBR_H
+
+#include "sbr_def.h"
+#include "cmondata.h"
+#include "fram_gen.h"
+
+struct SBR_ENV_DATA;
+
+struct SBR_BITSTREAM_DATA
+{
+ INT TotalBits;
+ INT PayloadBits;
+ INT FillBits;
+ INT HeaderActive;
+ INT NrSendHeaderData; /**< input from commandline */
+ INT CountSendHeaderData; /**< modulo count. If < 0 then no counting is done (no SBR headers) */
+};
+
+typedef struct SBR_BITSTREAM_DATA *HANDLE_SBR_BITSTREAM_DATA;
+
+struct SBR_HEADER_DATA
+{
+ AMP_RES sbr_amp_res;
+ INT sbr_start_frequency;
+ INT sbr_stop_frequency;
+ INT sbr_xover_band;
+ INT sbr_noise_bands;
+ INT sbr_data_extra;
+ INT header_extra_1;
+ INT header_extra_2;
+ INT sbr_lc_stereo_mode;
+ INT sbr_limiter_bands;
+ INT sbr_limiter_gains;
+ INT sbr_interpol_freq;
+ INT sbr_smoothing_length;
+ INT alterScale;
+ INT freqScale;
+
+ /*
+ element of sbrdata
+ */
+ SR_MODE sampleRateMode;
+
+ /*
+ element of channelpairelement
+ */
+ INT coupling;
+ INT prev_coupling;
+
+ /*
+ element of singlechannelelement
+ */
+
+};
+typedef struct SBR_HEADER_DATA *HANDLE_SBR_HEADER_DATA;
+
+struct SBR_ENV_DATA
+{
+
+ INT sbr_xpos_ctrl;
+ INT freq_res_fixfix;
+
+
+ INVF_MODE sbr_invf_mode;
+ INVF_MODE sbr_invf_mode_vec[MAX_NUM_NOISE_VALUES];
+
+ XPOS_MODE sbr_xpos_mode;
+
+ INT ienvelope[MAX_ENVELOPES][MAX_FREQ_COEFFS];
+
+ INT codeBookScfLavBalance;
+ INT codeBookScfLav;
+ const INT *hufftableTimeC;
+ const INT *hufftableFreqC;
+ const UCHAR *hufftableTimeL;
+ const UCHAR *hufftableFreqL;
+
+ const INT *hufftableLevelTimeC;
+ const INT *hufftableBalanceTimeC;
+ const INT *hufftableLevelFreqC;
+ const INT *hufftableBalanceFreqC;
+ const UCHAR *hufftableLevelTimeL;
+ const UCHAR *hufftableBalanceTimeL;
+ const UCHAR *hufftableLevelFreqL;
+ const UCHAR *hufftableBalanceFreqL;
+
+
+ const UCHAR *hufftableNoiseTimeL;
+ const INT *hufftableNoiseTimeC;
+ const UCHAR *hufftableNoiseFreqL;
+ const INT *hufftableNoiseFreqC;
+
+ const UCHAR *hufftableNoiseLevelTimeL;
+ const INT *hufftableNoiseLevelTimeC;
+ const UCHAR *hufftableNoiseBalanceTimeL;
+ const INT *hufftableNoiseBalanceTimeC;
+ const UCHAR *hufftableNoiseLevelFreqL;
+ const INT *hufftableNoiseLevelFreqC;
+ const UCHAR *hufftableNoiseBalanceFreqL;
+ const INT *hufftableNoiseBalanceFreqC;
+
+ HANDLE_SBR_GRID hSbrBSGrid;
+
+ INT noHarmonics;
+ INT addHarmonicFlag;
+ UCHAR addHarmonic[MAX_FREQ_COEFFS];
+
+
+ /* calculated helper vars */
+ INT si_sbr_start_env_bits_balance;
+ INT si_sbr_start_env_bits;
+ INT si_sbr_start_noise_bits_balance;
+ INT si_sbr_start_noise_bits;
+
+ INT noOfEnvelopes;
+ INT noScfBands[MAX_ENVELOPES];
+ INT domain_vec[MAX_ENVELOPES];
+ INT domain_vec_noise[MAX_ENVELOPES];
+ SCHAR sbr_noise_levels[MAX_FREQ_COEFFS];
+ INT noOfnoisebands;
+
+ INT balance;
+ AMP_RES init_sbr_amp_res;
+ AMP_RES currentAmpResFF;
+
+ /* extended data */
+ INT extended_data;
+ INT extension_size;
+ INT extension_id;
+ UCHAR extended_data_buffer[SBR_EXTENDED_DATA_MAX_CNT];
+
+ UCHAR ldGrid;
+};
+typedef struct SBR_ENV_DATA *HANDLE_SBR_ENV_DATA;
+
+
+
+INT FDKsbrEnc_WriteEnvSingleChannelElement(struct SBR_HEADER_DATA *sbrHeaderData,
+ struct T_PARAMETRIC_STEREO *hParametricStereo,
+ struct SBR_BITSTREAM_DATA *sbrBitstreamData,
+ struct SBR_ENV_DATA *sbrEnvData,
+ struct COMMON_DATA *cmonData,
+ UINT sbrSyntaxFlags);
+
+
+INT FDKsbrEnc_WriteEnvChannelPairElement(struct SBR_HEADER_DATA *sbrHeaderData,
+ struct T_PARAMETRIC_STEREO *hParametricStereo,
+ struct SBR_BITSTREAM_DATA *sbrBitstreamData,
+ struct SBR_ENV_DATA *sbrEnvDataLeft,
+ struct SBR_ENV_DATA *sbrEnvDataRight,
+ struct COMMON_DATA *cmonData,
+ UINT sbrSyntaxFlags);
+
+
+
+INT FDKsbrEnc_CountSbrChannelPairElement (struct SBR_HEADER_DATA *sbrHeaderData,
+ struct T_PARAMETRIC_STEREO *hParametricStereo,
+ struct SBR_BITSTREAM_DATA *sbrBitstreamData,
+ struct SBR_ENV_DATA *sbrEnvDataLeft,
+ struct SBR_ENV_DATA *sbrEnvDataRight,
+ struct COMMON_DATA *cmonData,
+ UINT sbrSyntaxFlags);
+
+
+
+/* debugging and tuning functions */
+
+/*#define SBR_ENV_STATISTICS */
+
+
+/*#define SBR_PAYLOAD_MONITOR*/
+
+#endif