//*****************************************************************************
//
// Parsing a file header to meet RIFF WAVE PCM file format, reading out the specifications and updating the file format object
//
//*****************************************************************************
void parseFileFmt(unsigned char* const headerAddr, WAV_FILEFMT* const filefmt){
//Initialize file format object to default value.
filefmt->Fmt_IsFile_RIFF = false;
filefmt->Fmt_IsFile_WAVE = false;
filefmt->Fmt_IsFile_PCM = false;
filefmt->Fmt_File_Channel = 0;
filefmt->Fmt_File_SampleRate = 0;
filefmt->Fmt_File_ByteRate = 0;
filefmt->Fmt_File_BitDepth = 0;
filefmt->Fmt_File_DataChunkSize = 0;
//Parse the file header to meet RIFF WAVE PCM file format, reading out the specifications and updating the file format object
if(IsFileRIFF(headerAddr + Header_Offset_RIFF)==true){
filefmt->Fmt_IsFile_RIFF = true;
if(IsFileWave(headerAddr + Header_Offset_WAVE)==true){
filefmt->Fmt_IsFile_WAVE = true;
if(IsPCMFormat(headerAddr + Header_Offset_PCM)==true){
filefmt->Fmt_IsFile_PCM = true;
filefmt->Fmt_File_Channel = getChNumber(headerAddr + Header_Offset_Channel);
filefmt->Fmt_File_SampleRate = getSampleRate(headerAddr + Header_Offset_SampleRate);
filefmt->Fmt_File_ByteRate = getByteRate(headerAddr + Header_Offset_ByteRate);
filefmt->Fmt_File_BitDepth = getBitPerSample(headerAddr + Header_Offset_BitDepth);
filefmt->Fmt_File_DataChunkSize = getSampleDataSize(headerAddr + Header_Offset_DataChunkSize);
}
else{
filefmt->Fmt_IsFile_PCM = false;
}
}
else{
filefmt->Fmt_IsFile_WAVE = false;
}
}
else{
filefmt->Fmt_IsFile_RIFF = false;
}
}
TSoundTrackFormat TSoundTrack::getFormat() const {
return TSoundTrackFormat(getSampleRate(), getBitPerSample(),
getChannelCount(), isSampleSigned());
}
