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VowelSample.h

/* VowelSample.h
 *
 * Copyright (C) 2002-2003 -- Sebastian Nowozin
 */

#ifndef VOWELSAMPLE_H
#define VOWELSAMPLE_H

#include <audio/AUFile.h>
#include <audio/AudioPreprocessing.h>

#include <inttypes.h>


/* le/be access macros
 */
#define VOWEL_FILE2HOST_32(x) \
        ((((unsigned char *) (&(x)))[0] << 24) | \
        (((unsigned char *) (&(x)))[1] << 16) | \
        (((unsigned char *) (&(x)))[2] << 8) | \
        (((unsigned char *) (&(x)))[3]))
#define VOWEL_HOST2FILE_32(x) AUDIO_AU_FILE2HOST(x)

#define VOWEL_FILE_MAGIC        0x6e746963

typedef struct {
#ifdef OLD_GCC_PRAGMAS
#pragma pack(1)
        uint32_t        magic;
        uint32_t        sample_type;
#else

        uint32_t        magic __attribute__ ((packed));
        uint32_t        sample_type __attribute__ ((packed));
#endif
} VowelSampleInformation;

enum VowelSampleType { A = 0, E = 1, I = 2, O = 3, U = 4, Unknown = 5 };

class
VowelSample {
public:
        VowelSampleType type_correct;

        vector<double>  sample;

        vector<double>  fft_energy;

        char *          filename;

        AUFile *        raw;

        VowelSample (bool record = false);

        ~VowelSample (void);

        bool open (const char *filename, AudioPreprocessing& prep_template);

        VowelSample (VowelSample& source);

        void setCorrectVowel (VowelSampleType type);

        bool saveRawSample (const char *filename = 0);

        bool isValidUserInformation (void)
        {
                return (info_success);
        }

private:
        bool                    info_success;

        VowelSampleInformation  info;

        bool convertUserinfoToC (void);

        void convertCtoUserinfo (void);
};

#endif

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