mirror of
https://github.com/mpv-player/mpv
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6e9cbdc104
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29305 b3059339-0415-0410-9bf9-f77b7e298cf2
229 lines
6.2 KiB
C
229 lines
6.2 KiB
C
/* (c)Copyright 1996-2000 NTT Cyber Space Laboratories */
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/* Released on 2000.05.22 by N. Iwakami */
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/* Modified on 2000.05.25 by N. Iwakami */
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/* Released on 2000.09.06 by N. Iwakami */
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// Modified for MPlayer on 2004.12.29
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#ifndef MPLAYER_VQF_H
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#define MPLAYER_VQF_H
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#include <stdio.h>
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#ifdef _MSC_VER
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# ifdef DLL_MODULE
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# define DllPort __declspec( dllexport )
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# else
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# define DllPort __declspec( dllimport )
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# endif
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#else
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# define DllPort
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#endif
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#ifdef __cplusplus
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extern "C" { // only need to import/export C interface if used by C++ source code
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#endif
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/************************/
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/*** General settings ***/
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/************************/
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/* Initialization error code */
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enum INIT_ERROR_CODE {
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TVQ_NO_ERROR = 0, // no error
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TVQ_ERROR, // general
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TVQ_ERROR_VERSION, // wrong version
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TVQ_ERROR_CHANNEL, // channel setting error
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TVQ_ERROR_MODE, // wrong coding mode
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TVQ_ERROR_PARAM, // inner parameter setting error
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TVQ_ERROR_N_CAN, // wrong number of VQ pre-selection candidates, used only in encoder
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};
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/* version ID */
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#define TVQ_UNKNOWN_VERSION -1
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#define V2 0
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#define V2PP 1
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#define N_VERSIONS 2
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/* window types */
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enum WINDOW_TYPE {
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ONLY_LONG_WINDOW = 0,
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LONG_SHORT_WINDOW,
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ONLY_SHORT_WINDOW,
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SHORT_LONG_WINDOW,
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SHORT_MEDIUM_WINDOW,
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MEDIUM_LONG_WINDOW,
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LONG_MEDIUM_WINDOW,
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MEDIUM_SHORT_WINDOW,
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ONLY_MEDIUM_WINDOW,
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};
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/* block types */
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enum BLOCK_TYPE {
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BLK_SHORT = 0,
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BLK_MEDIUM,
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BLK_LONG,
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BLK_PPC,
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};
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#define N_BTYPE 3 // number of block types
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#define N_INTR_TYPE 4 // number of interleave types, enum BLOCK_TYPE is commonly used for detecting interleave types.
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/* maximum number of channels */
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#define N_CH_MAX 2
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/* type definition of code information interface */
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typedef struct {
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/* block type */
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int w_type;
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int btype;
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/* FBC info */
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int *segment_sw[ N_CH_MAX ];
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int *band_sw[ N_CH_MAX ];
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int *fg_intensity[ N_CH_MAX ];
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/* VQ info */
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int *wvq;
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/* BSE info */
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int *fw;
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int *fw_alf;
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/* gain info */
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int *pow;
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/* LSP info */
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int *lsp[ N_CH_MAX ];
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/* PPC info */
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int pit[ N_CH_MAX ];
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int *pls;
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int pgain[ N_CH_MAX ];
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/* EBC info */
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int *bc[ N_CH_MAX ];
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void *manager;
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} INDEX;
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/***********************************************/
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/*** Definitions about program configuration ***/
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/***********************************************/
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/* type definition of tvqConfInfoSubBlock */
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typedef struct {
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int sf_sz; // subframe size
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int nsf; // number of subframes
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int ndiv; // number of division of weighted interleave vector quantization
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int ncrb; // number of Bark-scale subbands
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int fw_ndiv; // number of division of BSE VQ
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int fw_nbit; // number of bits for BSE VQ
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int nsubg; // number of sub-blocks for gain coding
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int ppc_enable; // PPC switch
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int ebc_enable; // EBC switch
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int ebc_crb_base; // EBC base band
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int ebc_bits; // EBC bits
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int fbc_enable; // FBC switch
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int fbc_n_segment; // FBC number of segments
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int fbc_nband; // FBC number of subbands
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int *fbc_crb_tbl; // FBC subband table
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} tvqConfInfoSubBlock;
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/* type definition of tvqConfInfo */
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typedef struct {
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/* frame configuration */
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int N_CH;
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/* window type coding */
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int BITS_WTYPE;
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/* LSP coding */
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int LSP_BIT0;
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int LSP_BIT1;
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int LSP_BIT2;
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int LSP_SPLIT;
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/* Bark-scale envelope coding */
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int FW_ARSW_BITS;
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/* gain coding */
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int GAIN_BITS;
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int SUB_GAIN_BITS;
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/* pitch excitation */
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int N_DIV_P;
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int BASF_BIT;
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int PGAIN_BIT;
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/* block type dependent parameters */
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tvqConfInfoSubBlock cfg[N_BTYPE];
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} tvqConfInfo;
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/*************************************************/
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/*** Definitions about TwinVQ bitstream header ***/
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/*************************************************/
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//#include "declib_src/tvq_hdr.h"
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//#ifndef BUFSIZ
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//#define BUFSIZ 1024
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//#endif
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#define KEYWORD_BYTES 4
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#define VERSION_BYTES 8
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#define ELEM_BYTES sizeof(unsigned long)
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/*
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*/
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typedef struct {
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char ID[KEYWORD_BYTES+VERSION_BYTES+1];
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int size;
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/* Common Chunk */
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int channelMode; /* channel mode (mono:0/stereo:1) */
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int bitRate; /* bit rate (kbit/s) */
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int samplingRate; /* sampling rate (44.1 kHz -> 44) */
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int securityLevel; /* security level (always 0) */
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/* Text Chunk */
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char Name[BUFSIZ];
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char Comt[BUFSIZ];
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char Auth[BUFSIZ];
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char Cpyr[BUFSIZ];
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char File[BUFSIZ];
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char Extr[BUFSIZ]; // add by OKAMOTO 99.12.21
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/* Data size chunk*/
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int Dsiz;
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} headerInfo;
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// TwinVQ decoder initialization/termination functions
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//DllPort int TvqInitialize( headerInfo *setupInfo, INDEX *index, int dispErrorMessageBox );
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//DllPort void TvqTerminate( INDEX *index );
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//DllPort void TvqGetVectorInfo(int *bits0[], int *bits1[]);
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//DllPort void TvqResetFrameCounter(void);
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// TwinVQ decoder function
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//DllPort void TvqDecodeFrame(INDEX *indexp, float out[]);
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//DllPort int TvqWtypeToBtype( int w_type, int *btype );
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//DllPort void TvqUpdateVectorInfo(int varbits, int *ndiv, int bits0[], int bits1[]);
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//DllPort void TvqSetFrameCounter( int position );
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// TwinVQ query functions
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//DllPort int TvqCheckVersion(char *versionID);
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//DllPort void TvqGetSetupInfo(headerInfo *setupInfo); // setup information
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//DllPort void TvqGetConfInfo(tvqConfInfo *cf); // configuration information
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//DllPort int TvqGetFrameSize(void); // frame size
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//DllPort int TvqGetNumChannels(void); // number of channels
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//DllPort int TvqGetBitRate(void); // total bitrate
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//DllPort float TvqGetSamplingRate(void); // sampling rate
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//DllPort int TvqGetNumFixedBitsPerFrame(void); // number of fixed bits per frame
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//DllPort int TvqGetNumFrames(void); // number of decoded frame
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//DllPort int TvqGetModuleVersion( char* versionString );
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#ifdef V2PLUS_SUPPORT
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// TwinVQ FB coding tool control
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DllPort void TvqFbCountUsedBits(int nbit); // count number of used bits
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DllPort float TvqGetFbCurrentBitrate(void); // query average bitrate for the tool
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DllPort int TvqGetFbTotalBits(void); // query total number of used bits
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* MPLAYER_VQF_H */
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