bool TWavFile::SaveFile(AnsiString FName)
{
FILE *f;
if (FileNameGetExt(FName)==".CSW") return(SaveCSW(FName));
f=fopen(FName.c_str(), "wb");
fwrite(&Head, 1, sizeof(Head), f);
fwrite(&Format, 1, sizeof(Format), f);
fwrite(&Data, 1, 8, f);
fwrite(Data.Data, Data.DataLen, 1, f);
fclose(f);
return(true);
}
bool TWavFile::LoadFile(AnsiString FName)
{
FILE *f;
int i, total;
unsigned char *buffer;
if (FileNameGetExt(FName)==".CSW") return(LoadCSW(FName));
f=fopen(FName.c_str(), "rb");
Head.Head[0]='\0';
Format.Head[0]='\0';
Data.Head[0]='\0';
do
{
char blkname[4];
unsigned int blklen;
fread(blkname, 4,1,f);
fread(&blklen, 4,1,f);
if (!strncmp(blkname,"RIFF",4))
{
fseek(f,-8,SEEK_CUR);
fread(&Head,sizeof(struct RIFFHeader),1,f);
}
else if (!strncmp(blkname,"fmt",3))
{
fseek(f,-8,SEEK_CUR);
fread(&Format,sizeof(struct RIFFFormat),1,f);
if (Format.BlkLen>16) fseek(f, Format.BlkLen-16, SEEK_CUR);
}
else if (!strncmp(blkname,"data",4))
{
fseek(f,-8,SEEK_CUR);
fread(&Data, /*sizeof(struct RIFFData)*/ 8,1,f);
}
else fseek(f, blklen, SEEK_CUR);
} while(!feof(f) && strncmp(Data.Head, "data",4));
if (strncmp(Head.Head, "RIFF",4)) { fclose(f); return false; }
if (strncmp(Format.Head,"fmt",3)) { fclose(f); return false; }
if (strncmp(Data.Head,"data",4)) { fclose(f); return false; }
SampleRate = Format.SampleRate;
NoSamples = Data.DataLen / Format.BytesSample;
Bits = Format.BytesSample * 8;
Signed=false;
if (Format.NoChannels == 1) Stereo=false;
else Stereo=true;
if (Data.Data!=NULL) delete[] Data.Data;
Data.Data=new char[Data.DataLen];
MemAllocated=Data.DataLen;
fread(Data.Data, Data.DataLen, 1, f);
fclose(f);
FileName=FName;
if (Format.BitsSample>8) Signed=true;
//Signed = !Signed;
return(true);
}
