/*
 *  codec.h
 *
 *  Definitions of data types and constants.
 *	Useful debugging functions.
 *
 *  TODO:  Move some of this stuff out into files for the specific features
 *
 *	Scott Wilson
 *	rswilson@ccrma.stanford.edu
 *  last updated:  June 15, 2003
 *
 */

#ifndef _CODEC_H
#define _CODEC_H

#include <stdint.h>
#include <sndfile.h>
#include <stdio.h>

typedef uint8_t  codec_byte_t;
typedef uint64_t codec_long_t;
typedef int 	 codec_err_t;

#ifdef CODEC_USE_FLOATS
typedef float codec_float_t;
#else
typedef double codec_float_t;
#endif

#define CODEC_EPSILON 1e-12
#define LOG2(x)  (log(x) / log(2))
#define TWOPOW(x) (1 << (x))   /* x power of 2 */
#define ABS(x)  (x >= 0 ? x : -x)

// Debug enable variable - see codec_debug below.
extern uint8_t g_codec_debug;

// Error handling constants
#define ERR_NONE  (codec_err_t) 0
#define ERR_BADARRAY  -1
#define ERR_NOMEM     -2
#define ERR_MISC      -3
#define ERR_FILEIO	  -4 

// prints out the binary and hex codes for a byte
void codec_char_dump(char c);
// prints out the binary and hex codes for a 16-bit word
void codec_short_dump(uint16_t s);

void codec_error(const char *component, const char *fn, const char *msg);
void codec_debug(const char *component, const char *fn, const char *msg);


// warning - these only work for names in the format  name.ext  -
//
//  more than one (or less than one) dot will cause breakage
#define GENERATE_CODED_FILENAME(ifname, params, cfname) { \
    char *ext, tmp[256]; \
    strncpy(tmp, ifname, 255); \
    strtok(tmp, "."); ext = strtok(0,"."); \
    if (params->quantization_type == FLOAT_QUANTIZE) \
        sprintf(cfname, "%s.%s.%s_%us_%um.enc", tmp, ext, \
                qstyle_short_string(params->quantization_type), params->scale_bits, params->mantissa_bits); \
    else \
        sprintf(cfname, "%s.%s.%s_%uu.enc", tmp, ext, \
                qstyle_short_string(params->quantization_type), params->uniform_bits); \
     }

#define GENERATE_DECODED_FILENAME(ifname, params, ofname) { \
    char *ext, tmp[256]; \
    strncpy(tmp, ifname, 255); \
    strtok(tmp, "."); ext = strtok(0,"."); \
    if (params->quantization_type == FLOAT_QUANTIZE) \
        sprintf(ofname, "%s.dec.%s_%us_%um.%s", tmp,  \
            qstyle_short_string(params->quantization_type), params->scale_bits, params->mantissa_bits, ext); \
    else \
        sprintf(ofname, "%s.dec.%s_%uu.%s", tmp,  \
            qstyle_short_string(params->quantization_type), params->uniform_bits, ext); \
  }



#endif