void InitOutput(string outputPath)
{
outData = File.Create(outputPath + ".bin");
outText = new StreamWriter(outputPath + ".txt");
outDecoder = new RawOut(outData, true);
outText.WriteLine("# This file indicates where the various raw decompressed sound data " +
"are found in the corresponding raw .bin file.");
outText.WriteLine("# Each line is in the following format:");
outText.WriteLine("# Identifier, Frequency/Sample rate, BitsPerSample, " +
"Channels, Offset from start, Length in bytes");
}
void WriteWaveHeader(BinaryWriter w, Stream stream, RawOut data)
{
WriteFourCC(w, "RIFF");
w.Write((int)(stream.Length - 8));
WriteFourCC(w, "WAVE");
WriteFourCC(w, "fmt ");
w.Write(16);
w.Write((ushort)1); // audio format, PCM
w.Write((ushort)data.Last.Channels);
w.Write(data.Last.SampleRate);
w.Write((data.Last.SampleRate * data.Last.Channels * data.Last.BitsPerSample) / 8); // byte rate
w.Write((ushort)((data.Last.Channels * data.Last.BitsPerSample) / 8)); // block align
w.Write((ushort)data.Last.BitsPerSample);
WriteFourCC(w, "data");
w.Write((int)(stream.Length - 44));
}
void DecodeSound(string name, byte[] rawData)
{
string path = Path.Combine(Program.AppDirectory, "audio");
path = Path.Combine(path, prefix + name + ".wav");
using (FileStream dst = File.Create(path))
using (MemoryStream src = new MemoryStream(rawData))
{
dst.SetLength(44);
RawOut output = new RawOut(dst, true);
OggContainer container = new OggContainer(src);
output.PlayStreaming(container);
dst.Position = 0;
BinaryWriter w = new BinaryWriter(dst);
WriteWaveHeader(w, dst, output);
}
}
void DecodeSound( string name, byte[] rawData )
{
string path = Path.Combine( Program.AppDirectory, "audio" );
path = Path.Combine( path, prefix + name + ".wav" );
using( FileStream dst = File.Create( path ) )
using ( MemoryStream src = new MemoryStream( rawData ) )
{
dst.SetLength( 44 );
RawOut output = new RawOut( dst, true );
OggContainer container = new OggContainer( src );
output.PlayStreaming( container );
dst.Position = 0;
BinaryWriter w = new BinaryWriter( dst );
WriteWaveHeader( w, dst, output );
}
}
void WriteWaveHeader( BinaryWriter w, Stream stream, RawOut data )
{
WriteFourCC( w, "RIFF" );
w.Write( (int)(stream.Length - 8) );
WriteFourCC( w, "WAVE" );
WriteFourCC( w, "fmt " );
w.Write( 16 );
w.Write( (ushort)1 ); // audio format, PCM
w.Write( (ushort)data.Channels );
w.Write( data.Frequency );
w.Write((data.Frequency * data.Channels * data.BitsPerSample) / 8 ); // byte rate
w.Write( (ushort)((data.Channels * data.BitsPerSample) / 8) ); // block align
w.Write( (ushort)data.BitsPerSample );
WriteFourCC( w, "data" );
w.Write( (int)(stream.Length - 44) );
}
