wma2wav.h

来自「ESS3890+SL原代码（1*16内存）」· C头文件 代码 · 共 121 行

/* Copyright 1997, ESS Technology, Inc.                                 */
/* SCCSID @(#)wma2wav.h	1.1 01/23/02 */

/* Based on DVD code version  	1.4 10/06/01 */

#if 1 /* def WMA_CERT */

#ifndef _WMA2WAV_H
#define _WMA2WAV_H

typedef char int8;
typedef short int16;
typedef long int32;
typedef uchar uint8;
typedef ushort uint16;
typedef uint   uint32;

#define MAX_VOICES     32
#define LOG2_MAX_VOICES     1
#define MAX_PATCHES    256
#define MAX_SPLITS     16
#define MAX_CHANNEL    16
#define MIX_FIFO_SIZE  4410



/* note: patch file is little-endian, while MIDI file is big-endian */
#define XCHG_SHORT(x) ((((x)&0xFF)<<8) | (((x)>>8)&0xFF))
#define XCHG_LONG(x) ((((x)&0xFF)<<24) | \
                      (((x)&0xFF00)<<8) | \
                      (((x)&0xFF0000)>>8) | \
                      (((x)>>24)&0xFF))

#ifdef __WIN32__
#define LITTLE_ENDIAN
#endif

#undef LITTLE_ENDIAN

#ifdef LITTLE_ENDIAN
#define LE_SHORT(x) (x)
#define LE_LONG(x) x
#define BE_SHORT(x) XCHG_SHORT(x)
#define BE_LONG(x) XCHG_LONG(x)
#else
#define LE_SHORT(x) XCHG_SHORT(x)
#define LE_LONG(x) XCHG_LONG(x)
#define BE_SHORT(x) (x)
#define BE_LONG(x) x
#endif


/* MMIO macros */
#define mmioFOURCC(ch0, ch1, ch2, ch3) \
  ((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) | \
  ((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24))



#define FOURCC_RIFF	mmioFOURCC ('R', 'I', 'F', 'F')
#define FOURCC_LIST	mmioFOURCC ('L', 'I', 'S', 'T')
#define FOURCC_WAVE	mmioFOURCC ('W', 'A', 'V', 'E')
#define FOURCC_FMT	mmioFOURCC ('f', 'm', 't', ' ')
#define FOURCC_DATA	mmioFOURCC ('d', 'a', 't', 'a')

#define PE_MONO         0x01  /* versus stereo */
#define PE_SIGNED       0x02  /* versus unsigned */
#define PE_16BIT        0x04  /* versus 8-bit */
#define PE_ULAW         0x08  /* versus linear */
#define PE_BYTESWAP     0x10  /* versus the other way */
 
#define DEFAULT_RATE    44100
#define CC_RATE         1
 
typedef DWORD FOURCC;	/* a four character code */

typedef struct CHUNKHDR {
  FOURCC ckid;		/* chunk ID */
  DWORD dwSize; 	/* chunk size */
} CHUNKHDR;


/* flags for 'wFormatTag' field of WAVEFORMAT */
#define WAVE_FORMAT_PCM 1


/* specific waveform format structure for PCM data */
typedef struct pcmwaveformat_tag {
  WORD wFormatTag;	/* format type */
  WORD nChannels;	/* number of channels (i.e. mono, stereo, etc.) */
  DWORD nSamplesPerSec; /* sample rate */
  DWORD nAvgBytesPerSec;/* for buffer size estimate */
  WORD nBlockAlign;	/* block size of data */
  WORD wBitsPerSample;
} PCMWAVEFORMAT;
typedef PCMWAVEFORMAT *PPCMWAVEFORMAT;


/* simplified Header for standard WAV files */
typedef struct WAVEHDR {
  CHUNKHDR chkRiff;
  FOURCC fccWave;
  CHUNKHDR chkFmt;
  WORD wFormatTag;	/* format type */
  WORD nChannels;	/* number of channels (i.e. mono, stereo, etc.) */
  DWORD nSamplesPerSec; /* sample rate */
  DWORD nAvgBytesPerSec;/* for buffer estimation */
  WORD nBlockAlign;	/* block size of data */
  WORD wBitsPerSample;
/*  CHUNKHDR chkData; */
} WAVEHDR;


int open_wmatest_file (char *filename);
int close_wmatest_file(void);
int write_wavefile(int* startbuff,int length);
int  itoa(int number,char *s, int radix);
#endif
#endif