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Diffstat (limited to 'libSBRenc/src/ps_main.h')
| -rw-r--r-- | libSBRenc/src/ps_main.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/libSBRenc/src/ps_main.h b/libSBRenc/src/ps_main.h new file mode 100644 index 0000000..b2fac92 --- /dev/null +++ b/libSBRenc/src/ps_main.h @@ -0,0 +1,160 @@ +/***************************** 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 Authors: Markus Multrus + Contents/Description: PS Wrapper, Downmix header file + + 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 __INCLUDED_PS_MAIN_H +#define __INCLUDED_PS_MAIN_H + +/* Includes ******************************************************************/ +#include "sbr_def.h" +#include "psenc_hybrid.h" +#include "ps_encode.h" +#include "FDK_bitstream.h" + +/* Data Types ****************************************************************/ +typedef enum { + PSENC_STEREO_BANDS_INVALID = 0, + PSENC_STEREO_BANDS_10 = 10, + PSENC_STEREO_BANDS_20 = 20, + PSENC_STEREO_BANDS_34 = 34 +} PSENC_STEREO_BANDS_CONFIG; + +typedef enum { + PSENC_NENV_1 = 1, + PSENC_NENV_2 = 2, + PSENC_NENV_4 = 4, + PSENC_NENV_DEFAULT = PSENC_NENV_2, + PSENC_NENV_MAX = PSENC_NENV_4 +} PSENC_NENV_CONFIG; + +#define MAX_PS_CHANNELS ( 2 ) +#define PSENC_QMF_BUFFER_LENGTH ( 48 ) + +typedef struct { + + UINT bitrateFrom; /* inclusive */ + UINT bitrateTo; /* exclusive */ + PSENC_STEREO_BANDS_CONFIG nStereoBands; + PSENC_NENV_CONFIG nEnvelopes; + LONG iidQuantErrorThreshold; /* quantization threshold to switch between coarse and fine iid quantization */ + +} psTuningTable_t; + +/* Function / Class Declarations *********************************************/ + +typedef struct T_PS_QMF_DATA +{ + FIXP_QMF *rQmfData[PSENC_QMF_BUFFER_LENGTH]; + FIXP_QMF *iQmfData[PSENC_QMF_BUFFER_LENGTH]; + INT nCols; + INT nRows; + INT bufferReadOffset; + INT bufferReadOffsetHybrid; + INT bufferWriteOffset; + INT bufferLength; +} PS_QMF_DATA, *HANDLE_PS_QMF_DATA; + +typedef struct T_PS_CHANNEL_DATA { + HANDLE_PS_QMF_DATA hPsQmfData; + + int psQmfScale; + HANDLE_PS_HYBRID_DATA hHybData; + HANDLE_PS_HYBRID hHybAna; + INT psChannelDelay; /* delay in samples */ +} PS_CHANNEL_DATA, *HANDLE_PS_CHANNEL_DATA; + +typedef struct T_PARAMETRIC_STEREO { + + HANDLE_PS_HYBRID_CONFIG hHybridConfig; + HANDLE_PS_CHANNEL_DATA hPsChannelData[MAX_PS_CHANNELS]; + HANDLE_PS_ENCODE hPsEncode; + HANDLE_PS_OUT hPsOut[2]; + + FIXP_QMF *qmfDelayReal[QMF_MAX_TIME_SLOTS>>1]; + FIXP_QMF *qmfDelayImag[QMF_MAX_TIME_SLOTS>>1]; + FIXP_QMF *qmfDelayRealRef; + FIXP_QMF *qmfDelayImagRef; + int qmfDelayScale; + + INT psDelay; + UINT maxEnvelopes; + UCHAR dynBandScale[PS_MAX_BANDS]; + FIXP_DBL maxBandValue[PS_MAX_BANDS]; + SCHAR dmxScale; + INT initPS; + INT noQmfSlots; + INT noQmfBands; + +} PARAMETRIC_STEREO; + + + +typedef struct T_PSENC_CONFIG { + + INT frameSize; + INT qmfFilterMode; + INT sbrPsDelay; + PSENC_STEREO_BANDS_CONFIG nStereoBands; + PSENC_NENV_CONFIG maxEnvelopes; + FIXP_DBL iidQuantErrorThreshold; + +} PSENC_CONFIG, *HANDLE_PSENC_CONFIG; + +typedef struct T_PARAMETRIC_STEREO *HANDLE_PARAMETRIC_STEREO; + + +HANDLE_ERROR_INFO +PSEnc_Create(HANDLE_PARAMETRIC_STEREO *phParametricStereo); + +HANDLE_ERROR_INFO +PSEnc_Init(HANDLE_PARAMETRIC_STEREO hParametricStereo, + HANDLE_PSENC_CONFIG hPsEncConfig, + INT noQmfSlots, + INT noQmfBands + ,UCHAR *dynamic_RAM + ); + +HANDLE_ERROR_INFO +UpdatePSQmfData_second(HANDLE_PARAMETRIC_STEREO hParametricStereo); + +HANDLE_ERROR_INFO +PSEnc_Destroy(HANDLE_PARAMETRIC_STEREO *hParametricStereo); + + +HANDLE_ERROR_INFO +FDKsbrEnc_PSEnc_ParametricStereoProcessing(HANDLE_PARAMETRIC_STEREO hParametricStereo, + FIXP_QMF **RESTRICT qmfRealData, + FIXP_QMF **RESTRICT qmfImagData, + INT qmfOffset, + INT_PCM *downsampledOutSignal, + HANDLE_QMF_FILTER_BANK sbrSynthQmf, + SCHAR *qmfScale, + const int sendHeader); + +INT +FDKsbrEnc_PSEnc_WritePSData(HANDLE_PARAMETRIC_STEREO hParametricStereo, HANDLE_FDK_BITSTREAM hBitstream); + +#endif /* __INCLUDED_PS_MAIN_H */ |