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/*
* Musepack audio compression
* Copyright (c) 2005-2009, The Musepack Development Team
* Copyright (C) 1999-2004 Buschmann/Klemm/Piecha/Wolf
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; If not, see <http://www.gnu.org/licenses/>
*/
#ifndef MPCENC_MPCENC_H
#define MPCENC_MPCENC_H
#include "libmpcenc.h"
#include "libmpcpsy.h"
#include <mpc/datatypes.h>
#include <mpc/minimax.h>
//// optimization/feature defines //////////////////////////////////
#ifndef NOT_INCLUDE_CONFIG_H
# include "config.h"
#endif
//// portable system includes //////////////////////////////////////
#include <stddef.h>
#include <math.h>
//// system dependent system includes //////////////////////////////
// low level I/O, where are prototypes and constants?
#if defined _WIN32 || defined __TURBOC__ || defined __ZTC__ || defined _MSC_VER
# include <io.h>
# include <fcntl.h>
# include <windows.h>
#elif defined __unix__ || defined __linux__ || defined __APPLE__
# include <sys/select.h>
# include <unistd.h>
# include <locale.h>
# include <langinfo.h>
#else
// .... add Includes for new Operating System here (with prefix: #elif defined)
# include <unistd.h>
#endif
#if defined __GLIBC__
# include <fpu_control.h>
#elif defined __FreeBSD__
# include <machine/floatingpoint.h>
#elif defined _MSC_VER
# include <float.h>
#endif
// Use termios for reading values from keyboard without echo and ENTER
#define USE_TERMIOS
// make debug output in tags.c stfu
#define STFU
#ifndef O_BINARY
# ifdef _O_BINARY
# define O_BINARY _O_BINARY
# else
# define O_BINARY 0
# endif
#endif
#if defined _WIN32 || defined __TURBOC__
# define strncasecmp(__s1,__s2,__n) strnicmp ((__s1), (__s2), (__n))
# define strcasecmp(__s1,__s2) stricmp ((__s1), (__s2))
#endif
#if defined _WIN32
# include <direct.h>
# define snprintf _snprintf
# define getcwd(__buff,__len) _getcwd ((__buff), (__len))
#endif
//// Binary/Low-Level-IO ///////////////////////////////////////////
//
#if defined __BORLANDC__ || defined _WIN32
# define FILENO(__fp) _fileno ((__fp))
#elif defined __CYGWIN__ || defined __TURBOC__ || defined __unix__ || defined __EMX__ || defined _MSC_VER
# define FILENO(__fp) fileno ((__fp))
#else
# define FILENO(__fp) fileno ((__fp))
#endif
//
// If we have access to a file via file name, we can open the file with an
// additional "b" or a O_BINARY within the (f)open function to get a
// transparent untranslated data stream which is necessary for audio bitstream
// data and also for PCM data. If we are working with
// stdin/stdout/FILENO_STDIN/FILENO_STDOUT we can't open the file with these
// attributes, because the files are already open. So we need a non
// standardized sequence to switch to this mode (not necessary for Unix).
// Mostly the sequence is the same for incoming and outgoing streams, but only
// mostly so we need one for IN and one for OUT.
// Macros are called with the file pointer and you get back the untransalted file
// pointer which can be equal or different from the original.
//
#if defined __EMX__
# define SETBINARY_IN(__fp) (_fsetmode ( (__fp), "b" ), (__fp))
# define SETBINARY_OUT(__fp) (_fsetmode ( (__fp), "b" ), (__fp))
#elif defined __TURBOC__ || defined __BORLANDC__
# define SETBINARY_IN(__fp) (setmode ( FILENO ((__fp)), O_BINARY ), (__fp))
# define SETBINARY_OUT(__fp) (setmode ( FILENO ((__fp)), O_BINARY ), (__fp))
#elif defined __CYGWIN__
# define SETBINARY_IN(__fp) (setmode ( FILENO ((__fp)), _O_BINARY ), (__fp))
# define SETBINARY_OUT(__fp) (setmode ( FILENO ((__fp)), _O_BINARY ), (__fp))
#elif defined _WIN32
# define SETBINARY_IN(__fp) (_setmode ( FILENO ((__fp)), _O_BINARY ), (__fp))
# define SETBINARY_OUT(__fp) (_setmode ( FILENO ((__fp)), _O_BINARY ), (__fp))
#elif defined _MSC_VER
# define SETBINARY_IN(__fp) (setmode ( FILENO ((__fp)), O_BINARY ), (__fp))
# define SETBINARY_OUT(__fp) (setmode ( FILENO ((__fp)), O_BINARY ), (__fp))
#elif defined __unix__
# define SETBINARY_IN(__fp) (__fp)
# define SETBINARY_OUT(__fp) (__fp)
#elif 0
# define SETBINARY_IN(__fp) (freopen ( NULL, "rb", (__fp) ), (__fp))
# define SETBINARY_OUT(__fp) (freopen ( NULL, "wb", (__fp) ), (__fp))
#else
# define SETBINARY_IN(__fp) (__fp)
# define SETBINARY_OUT(__fp) (__fp)
#endif
// file I/O using ANSI buffered file I/O via file pointer FILE* (fopen, fread, fwrite, fclose)
#define READ(fp,ptr,len) fread (ptr, 1, len, fp) // READ returns -1 or 0 on error/EOF, otherwise > 0
#define READ1(fp,ptr) fread (ptr, 1, 1, fp) // READ returns -1 or 0 on error/EOF, otherwise > 0
#ifdef _WIN32
# define POPEN_READ_BINARY_OPEN(cmd) _popen ((cmd), "rb")
#else
# define POPEN_READ_BINARY_OPEN(cmd) popen ((cmd), "r")
#endif
// Path separator
#if defined __unix__ || defined __bsdi__ || defined __FreeBSD__ || defined __OpenBSD__ || defined __NetBSD__ || defined __APPLE__
# define PATH_SEP '/'
# define DRIVE_SEP '\0'
# define EXE_EXT ""
# define DEV_NULL "/dev/null"
# define ENVPATH_SEP ':'
#elif defined _WIN32 || defined __TURBOC__ || defined __ZTC__ || defined _MSC_VER
# define PATH_SEP '\\'
# define DRIVE_SEP ':'
# define EXE_EXT ".exe"
# define DEV_NULL "\\nul"
# define ENVPATH_SEP ';'
#else
# define PATH_SEP '/' // Amiga: C:/
# define DRIVE_SEP ':'
# define EXE_EXT ""
# define DEV_NULL "nul"
# define ENVPATH_SEP ';'
#endif
#ifdef _WIN32
# define TitleBar(text) SetConsoleTitle (text)
#else
# define TitleBar(text) (void) (text)
#endif
//// constants /////////////////////////////////////////////////////
#define DECODER_DELAY (512 - 32 + 1)
#define BLK_SIZE (36 * 32)
//// procedures/functions //////////////////////////////////////////
// pipeopen.c
FILE* pipeopen ( const char* command, const char* filename );
// stderr.c
void SetStderrSilent ( mpc_bool_t state );
mpc_bool_t GetStderrSilent ( void );
int mpc_cdecl stderr_printf ( const char* format, ... );
// quant.h
#define SCFfac 0.832980664785f // = SCF[n-1]/SCF[n]
// wave_in.h
typedef struct {
FILE* fp; // File pointer to read data
mpc_size_t PCMOffset; // File offset of PCM data
long double SampleFreq; // Sample frequency in Hz
mpc_uint_t BitsPerSample; // used bits per sample, 8*BytesPerSample-7 <= BitsPerSample <= BytesPerSample
mpc_uint_t BytesPerSample; // allocated bytes per sample
mpc_uint_t Channels; // Number of channels, 1...8
mpc_size_t PCMBytes; // PCM Samples (in 8 bit units)
mpc_size_t PCMSamples; // PCM Samples per Channel
mpc_bool_t raw; // raw: headerless format
} wave_t;
typedef float SCFTriple [3];
// FIXME : put in lib header
void Init_FFT ( PsyModel* );
// FIXME : put in lib header
void Init_Psychoakustik ( PsyModel* );
SMRTyp Psychoakustisches_Modell ( PsyModel *, const int, const PCMDataTyp*, int* TransientL, int* TransientR );
void TransientenCalc ( int* Transient, const int* TransientL, const int* TransientR );
void RaiseSMR ( PsyModel*, const int, SMRTyp* );
void MS_LR_Entscheidung ( const int, unsigned char* MS, SMRTyp*, SubbandFloatTyp* );
void Init_Psychoakustiktabellen ( PsyModel* );
void NS_Analyse (PsyModel*, const int, const unsigned char* MS, const SMRTyp, const int* Transient );
void Analyse_Filter(const PCMDataTyp*, SubbandFloatTyp*, const int);
void Analyse_Init ( float Left, float Right, SubbandFloatTyp* out, const int MaxBand );
void SetQualityParams (PsyModel *, float );
int TestProfileParams ( PsyModel* );
extern const float Butfly [7]; // Antialiasing to calculate the subband powers
extern const float InvButfly [7]; // Antialiasing to calculate the masking thresholds
extern const float iw [PART_LONG]; // inverse partition-width for long
extern const float iw_short [PART_SHORT]; // inverse partition-width for short
extern const int wl [PART_LONG]; // w_low for long
extern const int wl_short [PART_SHORT]; // w_low for short
extern const int wh [PART_LONG]; // w_high for long
extern const int wh_short [PART_SHORT]; // w_high for short
// quant.c
extern float __invSCF [128 + 6]; // tabulated scalefactors (inverted)
#define invSCF (__invSCF + 6)
float ISNR_Schaetzer ( const float* samples, const float comp, const int res);
float ISNR_Schaetzer_Trans ( const float* samples, const float comp, const int res);
void QuantizeSubband ( unsigned int* qu_output, const float* input, const int res, float* errors, const int maxNsOrder );
void QuantizeSubbandWithNoiseShaping ( unsigned int* qu_output, const float* input, const int res, float* errors, const float* FIR );
void NoiseInjectionComp ( void );
// keyboard.c
int WaitKey ( void );
int CheckKeyKeep ( void );
int CheckKey ( void );
// regress.c
void Regression ( float* const _r, float* const _b, const float* p, const float* q );
// tags.c
void Init_Tags ( void );
int FinalizeTags ( FILE* fp, unsigned int Version, unsigned int flags );
int addtag ( const char* key, size_t keylen, const char* value, size_t valuelen, int converttoutf8, int flags );
int gettag ( const char* key, char* dst, size_t len );
int CopyTags ( const char* filename );
// wave_in.c
int Open_WAV_Header ( wave_t* type, const char* name );
size_t Read_WAV_Samples ( wave_t* t, const size_t RequestedSamples, PCMDataTyp* data, const ptrdiff_t offset, const float scalel, const float scaler, int* Silence );
int Read_WAV_Header ( wave_t* type );
// winmsg.c
#ifdef _WIN32
#define WIN32_MESSAGES 1 // support Windows-Messaging to Frontend
int SearchForFrontend ( void );
void SendQuitMessage ( void );
void SendModeMessage ( const int );
void SendStartupMessage ( const char*, const int);
void SendProgressMessage ( const int, const float, const float );
#else
# define WIN32_MESSAGES 0
# define SearchForFrontend() (0)
# define SendQuitMessage() (void)0
# define SendModeMessage(x) (void)0
# define SendStartupMessage(x,y) (void)0
# define SendProgressMessage(x,y,z) (void)0
#endif /* _WIN32 */
#define MPPENC_DENORMAL_FIX_BASE ( 32. * 1024. /* normalized sample value range */ / ( (float) (1 << 24 /* first bit below 32-bit PCM range */ ) ) )
#define MPPENC_DENORMAL_FIX_LEFT ( MPPENC_DENORMAL_FIX_BASE )
#define MPPENC_DENORMAL_FIX_RIGHT ( MPPENC_DENORMAL_FIX_BASE * 0.5f )
#ifndef LAST_HUFFMAN
# define LAST_HUFFMAN 7
#endif
#endif /* MPCENC_MPCENC_H */
/* end of mpcenc.h */
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