167 lines
4.1 KiB
C
167 lines
4.1 KiB
C
/*
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* aacplusenc.h
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*
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* Created on: 7 окт. 2010
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* Author: tipok
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*/
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#ifndef AACPLUSENC_H_
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#define AACPLUSENC_H_
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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/*-------------------------- defines --------------------------------------*/
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/* here we distinguish between stereo and the mono only encoder */
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#ifdef MONO_ONLY
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#define MAX_CHANNELS 1
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#else
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#define MAX_CHANNELS 2
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#endif
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#define AACENC_BLOCKSIZE 1024 /*! encoder only takes BLOCKSIZE samples at a time */
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#define AACENC_TRANS_FAC 8 /*! encoder short long ratio */
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#define AACENC_PCM_LEVEL 1.0 /*! encoder pcm 0db refernence */
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#define MAX_EXTRADATA_SIZE 7 /* LC + SBR + PS config */
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#define BUFFERSIZE 1024 /* anc data */
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#include "aacplus.h"
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#include "minmax.h"
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#include "sbr_def.h"
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#include "psy_const.h"
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#include "cfftn.h"
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#include "hybrid.h"
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#include "sbr_ram.h"
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#include "sbr_main.h"
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#include "fram_gen.h"
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#include "tran_det.h"
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#include "code_env.h"
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#include "qmf_enc.h"
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#include "env_est.h"
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#include "mh_det.h"
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#include "nf_est.h"
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#include "invf_est.h"
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#include "ton_corr.h"
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#include "tns.h"
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#include "sbr.h"
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#include "aac_ram.h"
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#include "tns_param.h"
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#include "aac_rom.h"
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#include "dyn_bits.h"
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#include "adj_thr_data.h"
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#include "qc_data.h"
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#include "block_switch.h"
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#include "psy_data.h"
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#include "interface.h"
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#include "psy_configuration.h"
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#include "psy_main.h"
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#include "FFR_bitbuffer.h"
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#include "bitenc.h"
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#include "stprepro.h"
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#include "aacenc.h"
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#include "adj_thr.h"
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#include "adts.h"
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#include "band_nrg.h"
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#include "bit_cnt.h"
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#include "bit_sbr.h"
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#include "channel_map.h"
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#include "env_bit.h"
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#include "FloatFR.h"
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#include "freq_sca.h"
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#include "grp_data.h"
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#include "line_pe.h"
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#include "ms_stereo.h"
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#include "pre_echo_control.h"
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#include "ps_bitenc.h"
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#include "ps_enc.h"
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#include "cmondata.h"
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#include "qc_main.h"
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#include "quantize.h"
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#include "resampler.h"
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#include "sbr_misc.h"
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#include "sbr_rom.h"
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#include "sf_estim.h"
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#include "spreading.h"
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#include "stat_bits.h"
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#include "tns_func.h"
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#include "transform.h"
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struct SBR_ENCODER
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{
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FFTWFContext_t *fftctx;
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struct SBR_CONFIG_DATA sbrConfigData;
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struct SBR_HEADER_DATA sbrHeaderData;
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struct SBR_BITSTREAM_DATA sbrBitstreamData;
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struct ENV_CHANNEL* hEnvChannel[MAX_CHANNELS];
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struct COMMON_DATA CmonData;
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struct PS_ENC *hPsEnc;
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SBR_QMF_FILTER_BANK *hSynthesisQmfBank;
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unsigned int sbrPayloadPrevious[MAX_PAYLOAD_SIZE/(sizeof(int))];
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unsigned int sbrPayload[MAX_PAYLOAD_SIZE/(sizeof(int))];
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int sbrPayloadSize;
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} ;
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#define CORE_DELAY (1600)
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/* (96-64) makes AAC still some 64 core samples too early wrt SBR ... maybe -32 would be even more correct, but 1024-32 would need additional SBR bitstream delay by one frame */
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#define CORE_INPUT_OFFSET_PS (0)
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/* ((1600 (core codec)*2 (multi rate) + 6*64 (sbr dec delay) - 2048 (sbr enc delay) + magic*/
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#define INPUT_DELAY ((CORE_DELAY)*2 +6*64-(AACENC_BLOCKSIZE*2)+1)
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/* the additional max resampler filter delay (source fs)*/
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#define MAX_DS_FILTER_DELAY 16
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typedef struct {
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/* adts stuff */
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ADTSContext_t *adts;
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/* AAC encoder instance for one encoder */
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aacplusEncConfiguration config;
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struct AAC_ENCODER aacEnc;
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sbrConfiguration sbrConfig;
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struct SBR_ENCODER hEnvEnc;
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SBR_QMF_FILTER_BANK SynthesisQmfBank;
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struct PS_ENC psEncoder;
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/* 2x => 1x samplerate converter instance */
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IIR21_RESAMPLER IIR21_reSampler[MAX_CHANNELS];
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//#ifdef _FFTW3
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FFTWFContext_t fftctx;
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//#endif
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float inBuf[(AACENC_BLOCKSIZE*2 + MAX_DS_FILTER_DELAY + INPUT_DELAY)*MAX_CHANNELS];
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//char outBuf[(6144/8)*MAX_CHANNELS+ADTS_HEADER_SIZE];
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unsigned int numAncDataBytes;
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unsigned char ancDataBytes[MAX_PAYLOAD_SIZE];
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int useParametricStereo;
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unsigned int inSamples;
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unsigned int writtenSamples;
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unsigned int writeOffset;
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int envReadOffset;
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int coreWriteOffset;
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} AACPContext;
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int FindSRIndex(int sr);
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#endif /* AACPLUSENC_H_ */
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