afwav.cpp

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/*/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
/*
Copyright: 1996 - Grupo de Voz (DAET) ETSII/IT-Bilbao
                                    & CSTR - Univ. of Edinburgh

Nombre fuente................ -
Nombre paquete............... -
Lenguaje fuente.............. C++ (Borland C/C++ 3.1)
Estado....................... desarrollo
Dependencia Hard/OS.......... -
Codigo condicional........... -

Codificacion................. Borja Etxebarria

Version  dd/mm/aa  Autor     Proposito de la edicion
-------  --------  --------  -----------------------
1.0.1    09/04/99  Borja     uso tipos UINT
0.0.2    30/08/98  Borja     split en varios modulos afwav_?.cpp
0.0.1    27/07/97  Borja     adapted to compile on SunOS.
0.0.0    15/07/96  Borja     codificacion inicial.

======================== Contenido ========================
// $$$ arreglar newlines en propiedades
===========================================================
*/
/*/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\*/
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#include "afwav_i.hpp"

#include "xalloc.h"

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int operator < (const UInt32& a, const UInt32& b) { return a.i<b.i; };
int operator == (const UInt32& a, const UInt32& b) { return a.i==b.i; };
int operator > (const UInt32& a, const UInt32& b) { return a.i>b.i; };

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char *wstr( FILE *f )
{
    UINT32 l;
    char *buf;
    xfread(&l,sizeof(l),1,f); endian_fromlittle32(&l);
    l++;
    cdie_beep(l!=(size_t)l,"Wav: field too long in .wav file");
    buf=(char*)xmalloc(l);
    xfread(buf,1,(size_t)(l-1),f);
    buf[(size_t)(l-1)]='\0';
    return buf;
}

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char *wstr( FILE *f, UINT32 l )
{
    char *buf;
    l++;
    cdie_beep(l!=(size_t)l,"Wav: field too long in .wav file");
    buf=(char*)xmalloc(l);
    xfread(buf,1,(size_t)(l-1),f);
    buf[(size_t)(l-1)]='\0';
    return buf;
}

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VOID mrk_labl(Mark1DList &m, CueNames &cn, CHAR8 *buf)
{
#ifndef IGNORE_CUE_LABEL
    struct { UINT32 n MINALIGN; CHAR s MINALIGN; } *b;
    (CHAR8*)b=buf;
    endian_fromlittle32(&(b->n));

    Lix p=cn.seek(b->n);
    if (p) p=m.lix(cn.index(p));
    cdie_beep(!p,"Wav: error in WAV file, invalid cue label");
    if (m.label(p)=="") m.label(p) = &(b->s);
    else m.label(p) = &(b->s) + String(" // ")+m.label(p);
#else
    (void)m;
    (void)cn;
#endif

    xfree(buf);
}

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VOID mrk_note(Mark1DList &m, CueNames &cn, CHAR8 *buf)
{
    struct mrk_note_struct { UINT32 n MINALIGN; CHAR s MINALIGN; };
#define b ((struct mrk_note_struct *)buf)   
    endian_fromlittle32(&(b->n));

    Lix p=cn.seek(b->n);
    if (p) p=m.lix(cn.index(p));
    cdie_beep(!p,"Wav: error in WAV file, invalid cue note");
    if (m.label(p)=="") m.label(p) = &(b->s);
    else m.label(p) = m.label(p) + String(" // ") + &(b->s);

    xfree(buf);
#undef b
}

/**********************************************************/

VOID mrk_ltxt(Mark1DList &m, CueNames &cn, CHAR8 *buf)
{
    struct mrk_ltxt_struct { UINT32 n MINALIGN; UINT32 len MINALIGN; UINT32 pur MINALIGN; 
      UINT16 country MINALIGN; UINT16 lang MINALIGN; UINT16 dialec MINALIGN; 
        UINT16 cpage MINALIGN; CHAR s MINALIGN; };
#define b ((struct mrk_ltxt_struct *)buf)
    
    endian_fromlittle32(&(b->n));
    endian_fromlittle32(&(b->len));
    // note: endian conversion only for the two used fields!

    Lix p=cn.seek(b->n);
    if (p) p=m.lix(cn.index(p));
    cdie_beep(!p,"Wav: error in WAV file, invalid cue ltxt");
    m.span(p)=b->len;
    xfree(buf);
#undef b
}

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size_t strlen_zeven( const char *s )
{
    size_t l = strlen(s)+1;

    return (l&1)? l+1 : l;
}

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void puts_zeven( const char * s, FILE *f )
{
    size_t l=strlen(s)+1;
    CHAR8 z='\0';

    xfwrite(s,1,l,f);
    if (l&1)
        xfwrite(&z,sizeof(z),1,f);  // completamos a numero par
}

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#ifdef __CC_MSVC__
#pragma pack(pop)
#endif

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