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Diffstat (limited to 'libmpcodecs/vqf.h')
| -rw-r--r-- | libmpcodecs/vqf.h | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/libmpcodecs/vqf.h b/libmpcodecs/vqf.h new file mode 100644 index 0000000000..c35bbe7ded --- /dev/null +++ b/libmpcodecs/vqf.h @@ -0,0 +1,226 @@ +/* (c)Copyright 1996-2000 NTT Cyber Space Laboratories */ +/* Released on 2000.05.22 by N. Iwakami */ +/* Modified on 2000.05.25 by N. Iwakami */ +/* Released on 2000.09.06 by N. Iwakami */ + +// Modified for MPlayer on 2004.12.29 + +#ifndef tvqdec_h +#define tvqdec_h + +#ifdef _MSC_VER +# ifdef DLL_MODULE +# define DllPort __declspec( dllexport ) +# else +# define DllPort __declspec( dllimport ) +# endif +#else +# define DllPort +#endif + +#ifdef __cplusplus +extern "C" { // only need to import/export C interface if used by C++ source code +#endif + +/************************/ +/*** General settings ***/ +/************************/ +/* Initialization error code */ +enum INIT_ERROR_CODE { + TVQ_NO_ERROR = 0, // no error + TVQ_ERROR, // general + TVQ_ERROR_VERSION, // wrong version + TVQ_ERROR_CHANNEL, // channel setting error + TVQ_ERROR_MODE, // wrong coding mode + TVQ_ERROR_PARAM, // inner parameter setting error + TVQ_ERROR_N_CAN, // wrong number of VQ pre-selection candidates, used only in encoder +}; + +/* version ID */ +#define TVQ_UNKNOWN_VERSION -1 +#define V2 0 +#define V2PP 1 + +#define N_VERSIONS 2 + +/* window types */ +enum WINDOW_TYPE { + ONLY_LONG_WINDOW = 0, + LONG_SHORT_WINDOW, + ONLY_SHORT_WINDOW, + SHORT_LONG_WINDOW, + SHORT_MEDIUM_WINDOW, + MEDIUM_LONG_WINDOW, + LONG_MEDIUM_WINDOW, + MEDIUM_SHORT_WINDOW, + ONLY_MEDIUM_WINDOW, +}; + +/* block types */ +enum BLOCK_TYPE { + BLK_SHORT = 0, + BLK_MEDIUM, + BLK_LONG, + BLK_PPC, +}; +#define N_BTYPE 3 // number of block types +#define N_INTR_TYPE 4 // number of interleave types, enum BLOCK_TYPE is commonly used for detecting interleave types. + +/* maximum number of channels */ +#define N_CH_MAX 2 + +/* type definition of code information interface */ +typedef struct { + /* block type */ + int w_type; + int btype; + + /* FBC info */ + int *segment_sw[ N_CH_MAX ]; + int *band_sw[ N_CH_MAX ]; + int *fg_intensity[ N_CH_MAX ]; + + /* VQ info */ + int *wvq; + + /* BSE info */ + int *fw; + int *fw_alf; + + /* gain info */ + int *pow; + + /* LSP info */ + int *lsp[ N_CH_MAX ]; + + /* PPC info */ + int pit[ N_CH_MAX ]; + int *pls; + int pgain[ N_CH_MAX ]; + + /* EBC info */ + int *bc[ N_CH_MAX ]; + + void *manager; +} INDEX; + +/***********************************************/ +/*** Definitions about program configuration ***/ +/***********************************************/ +/* type definition of tvqConfInfoSubBlock */ +typedef struct { + int sf_sz; // subframe size + int nsf; // number of subframes + int ndiv; // number of division of weighted interleave vector quantization + int ncrb; // number of Bark-scale subbands + int fw_ndiv; // number of division of BSE VQ + int fw_nbit; // number of bits for BSE VQ + int nsubg; // number of sub-blocks for gain coding + int ppc_enable; // PPC switch + int ebc_enable; // EBC switch + int ebc_crb_base; // EBC base band + int ebc_bits; // EBC bits + int fbc_enable; // FBC switch + int fbc_n_segment; // FBC number of segments + int fbc_nband; // FBC number of subbands + int *fbc_crb_tbl; // FBC subband table +} tvqConfInfoSubBlock; + +/* type definition of tvqConfInfo */ +typedef struct { + /* frame configuration */ + int N_CH; + /* window type coding */ + int BITS_WTYPE; + /* LSP coding */ + int LSP_BIT0; + int LSP_BIT1; + int LSP_BIT2; + int LSP_SPLIT; + /* Bark-scale envelope coding */ + int FW_ARSW_BITS; + /* gain coding */ + int GAIN_BITS; + int SUB_GAIN_BITS; + /* pitch excitation */ + int N_DIV_P; + int BASF_BIT; + int PGAIN_BIT; + + /* block type dependent parameters */ + tvqConfInfoSubBlock cfg[N_BTYPE]; + +} tvqConfInfo; + + +/*************************************************/ +/*** Definitions about TwinVQ bitstream header ***/ +/*************************************************/ +//#include "../declib_src/tvq_hdr.h" +//#ifndef BUFSIZ +//#define BUFSIZ 1024 +//#endif + +#define KEYWORD_BYTES 4 +#define VERSION_BYTES 8 +#define ELEM_BYTES sizeof(unsigned long) + + +/* + */ +typedef struct { + char ID[KEYWORD_BYTES+VERSION_BYTES+1]; + int size; + /* Common Chunk */ + int channelMode; /* channel mode (mono:0/stereo:1) */ + int bitRate; /* bit rate (kbit/s) */ + int samplingRate; /* sampling rate (44.1 kHz -> 44) */ + int securityLevel; /* security level (always 0) */ + /* Text Chunk */ + char Name[BUFSIZ]; + char Comt[BUFSIZ]; + char Auth[BUFSIZ]; + char Cpyr[BUFSIZ]; + char File[BUFSIZ]; + char Extr[BUFSIZ]; // add by OKAMOTO 99.12.21 + /* Data size chunk*/ + int Dsiz; +} headerInfo; + +// TwinVQ decoder initialization/termination functions +//DllPort int TvqInitialize( headerInfo *setupInfo, INDEX *index, int dispErrorMessageBox ); +//DllPort void TvqTerminate( INDEX *index ); +//DllPort void TvqGetVectorInfo(int *bits0[], int *bits1[]); +//DllPort void TvqResetFrameCounter(); + +// TwinVQ decoder function +//DllPort void TvqDecodeFrame(INDEX *indexp, float out[]); +//DllPort int TvqWtypeToBtype( int w_type, int *btype ); +//DllPort void TvqUpdateVectorInfo(int varbits, int *ndiv, int bits0[], int bits1[]); +//DllPort void TvqSetFrameCounter( int position ); + +// TwinVQ query functions +//DllPort int TvqCheckVersion(char *versionID); +//DllPort void TvqGetSetupInfo(headerInfo *setupInfo); // setup information +//DllPort void TvqGetConfInfo(tvqConfInfo *cf); // configuration information +//DllPort int TvqGetFrameSize(); // frame size +//DllPort int TvqGetNumChannels(); // number of channels +//DllPort int TvqGetBitRate(); // total bitrate +//DllPort float TvqGetSamplingRate(); // sampling rate +//DllPort int TvqGetNumFixedBitsPerFrame(); // number of fixed bits per frame +//DllPort int TvqGetNumFrames(); // number of decoded frame +//DllPort int TvqGetModuleVersion( char* versionString ); + +#ifdef V2PLUS_SUPPORT +// TwinVQ FB coding tool control +DllPort void TvqFbCountUsedBits(int nbit); // count number of used bits +DllPort float TvqGetFbCurrentBitrate(); // query average bitrate for the tool +DllPort int TvqGetFbTotalBits(); // query total number of used bits +#endif + +#ifdef __cplusplus +} +#endif + + +#endif |