/*
 *  file.h
 *  Codec
 *
 *	Defines a fileinfo type common to audio files (audiofile.h) and coded files
 *	(codedfile.h).  Also defines a file type which contains a fileinfo struct as
 *  well as a handle to either a coded file or an audio file.
 *
 *	Scott Wilson
 *	rswilson@ccrma.stanford.edu
 *  last updated:  June 15, 2003
 *
 */

#ifndef _FILE_H
#define _FILE_H

//#include "quantize.h"
#include "codec.h"

#define AUDIOFILE_READ	0x10		// from SFM_READ and SFM_WRITE in sndfile.h
#define AUDIOFILE_WRITE	0x20

// file descriptor for coded file
typedef   int 			codedfile_t;
typedef   codedfile_t	*codedfile_p;

typedef struct {
    const char* filename;

    // soundfile parameters
    uint32_t		srate;
    uint8_t		channels;
    uint8_t		bits_per_sample;
    uint32_t		frames;
    uint8_t		f_signed;
    uint8_t		f_float;
    int32_t		sfformat;   //  SF_INFO in libsndfile
   
    // coding related parameters 
    //qstyle_t		quantization_type;  // quatization style - see quantization.h  (long)
    uint8_t		uniform_bits;				
    uint8_t		scale_bits;
    uint8_t		mantissa_bits;
    uint16_t		blocksize;

} codec_fileinfo_t;
typedef codec_fileinfo_t *codec_fileinfo_p;


typedef struct codec_file {
    union {
        SNDFILE *sf_p;
        codedfile_t dfp;
    }	ptr;
    codec_fileinfo_t info;
} codec_file_t;
typedef codec_file_t	*codec_file_p;

codec_err_t file_copy_fileinfo(codec_file_p source, codec_file_p dest);

#endif