/********************** BEGIN LICENSE BLOCK ************************************
 *
 * JZ4740  mobile_tv  Project  V1.0.0
 * INGENIC CONFIDENTIAL--NOT FOR DISTRIBUTION IN SOURCE CODE FORM
 * Copyright ( c ) Ingenic Semiconductor Co. Ltd 2005. All rights reserved.
 * 
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * http://www.ingenic.cn 
 *
 ********************** END LICENSE BLOCK **************************************
 *
 *  Author: <xhjiao@ingenic.cn> 
 *
 *  Create:   2008-03-04, by xhjia
 *  Maintain: 
 *            
 *  Maintain: 
 *            
 *
 *******************************************************************************
 */

#ifndef _FMTHEADERS_H
#define _FMTHEADERS_H	1

#include <sys/types.h>

/* Definitions for .VOC files */

#define	MAGIC_STRING			"Creative Voice File\x1A"
#define	ACTUAL_VERSION			0x010A
#define	VOC_SAMPLESIZE			8

#define	MODE_MONO				0
#define	MODE_STEREO				1

#define	DATALEN( bp )			( ( u_long )( bp->datalen ) |				\
    ( ( u_long )( bp->datalen_m ) << 8 ) |		\
    ( ( u_long )( bp->datalen_h ) << 16 ) )

typedef struct _vocheader {
  u_char  magic[20];	/* must be MAGIC_STRING */
  u_short headerlen;	/* Headerlength, should be 0x1A */
  u_short version;		/* VOC-file version */
  u_short coded_ver;	/* 0x1233-version */
} VocHeader;

typedef struct _blocktype {
  u_char type;
  u_char datalen;		/* low-byte    */
  u_char datalen_m;		/* medium-byte */
  u_char datalen_h;		/* high-byte   */
} BlockType;

typedef struct _voice_data {
  u_char tc;
  u_char pack;
} Voice_data;

typedef struct _ext_block {
  u_short tc;
  u_char  pack;
  u_char  mode;
} Ext_Block;


/* Definitions for Microsoft WAVE format */

#define	RIFF			0x46464952	
#define	WAVE			0x45564157
#define	FMT				0x20746D66
#define	DATA			0x61746164
#define	PCM_CODE		1
#define	WAVE_MONO		1
#define	WAVE_STEREO		2


/* it's in chunks like .voc and AMIGA iff, but my source say there
   are in only in this combination, so I combined them in one header;
   it works on all WAVE-file I have
   */
typedef struct _waveheader {
  u_long  main_chunk;		/* 'RIFF' */
  u_long  length;			/* filelen */
  u_long  chunk_type;		/* 'WAVE' */

  u_long  sub_chunk;		/* 'fmt ' */
  u_long  sc_len;			/* length of sub_chunk, =16 */
  u_short format;			/* should be 1 for PCM-code */
  u_short modus;			/* 1 Mono, 2 Stereo */
  u_long  sample_fq;		/* frequence of sample */
  u_long  byte_p_sec;
  u_short byte_p_spl;		/* samplesize; 1 or 2 bytes */
  u_short bit_p_spl;		/* 8, 12 or 16 bit */ 

  u_long  data_chunk;		/* 'data' */
  u_long  data_length;		/* samplecount */
} WaveHeader;

typedef struct {
  long magic;         /* must be equal to SND_MAGIC */
  long dataLocation;  /* Offset or pointer to the raw data */
  long dataSize;      /* Number of bytes of data in the raw data */
  long dataFormat;    /* The data format code */
  long samplingRate;  /* The sampling rate */
  long channelCount;  /* The number of channels */
} SndHeader;

#define	SND_MAGIC						( ( long int )0x2e736e64 )

#define	SND_FORMAT_UNSPECIFIED			( 0 )
#define	SND_FORMAT_MULAW_8				( 1 )
#define	SND_FORMAT_LINEAR_8				( 2 )
#define	SND_FORMAT_LINEAR_16			( 3 )
#define	SND_FORMAT_LINEAR_24			( 4 )
#define	SND_FORMAT_LINEAR_32			( 5 )
#define	SND_FORMAT_FLOAT				( 6 )

#define WAVE_RIFF_FLEN 8

#endif	//_FMTHEADERS_H
