public override void WriteHeader(string comment)
{
OggCrc oggCrc = new OggCrc();
byte[] array = OggSpeexWriter.BuildOggPageHeader(2, 0L, this.streamSerialNumber, this.pageCount++, 1, new byte[]
{
80
});
byte[] array2 = AudioFileWriter.BuildSpeexHeader(this.sampleRate, this.mode, this.channels, this.vbr, this.nframes);
oggCrc.Initialize();
oggCrc.TransformBlock(array, 0, array.Length, array, 0);
oggCrc.TransformFinalBlock(array2, 0, array2.Length);
this.xout.Write(array, 0, 22);
this.xout.Write(oggCrc.Hash, 0, oggCrc.HashSize / 8);
this.xout.Write(array, 26, array.Length - 26);
this.xout.Write(array2, 0, array2.Length);
array = OggSpeexWriter.BuildOggPageHeader(0, 0L, this.streamSerialNumber, this.pageCount++, 1, new byte[]
{
(byte)(comment.Length + 8)
});
array2 = AudioFileWriter.BuildSpeexComment(comment);
oggCrc.Initialize();
oggCrc.TransformBlock(array, 0, array.Length, array, 0);
oggCrc.TransformFinalBlock(array2, 0, array2.Length);
this.xout.Write(array, 0, 22);
this.xout.Write(oggCrc.Hash, 0, oggCrc.HashSize / 8);
this.xout.Write(array, 26, array.Length - 26);
this.xout.Write(array2, 0, array2.Length);
}
private void Flush(bool eos)
{
OggCrc oggCrc = new OggCrc();
byte[] array = OggSpeexWriter.BuildOggPageHeader(eos ? 4 : 0, this.granulepos, this.streamSerialNumber, this.pageCount++, this.packetCount, this.headerBuffer);
oggCrc.Initialize();
oggCrc.TransformBlock(array, 0, array.Length, array, 0);
oggCrc.TransformFinalBlock(this.dataBuffer, 0, this.dataBufferPtr);
this.xout.Write(array, 0, 22);
this.xout.Write(oggCrc.Hash, 0, oggCrc.HashSize / 8);
this.xout.Write(array, 26, array.Length - 26);
this.xout.Write(this.dataBuffer, 0, this.dataBufferPtr);
this.dataBufferPtr = 0;
this.headerBufferPtr = 0;
this.packetCount = 0;
}
private static byte[] BuildOggPageHeader(int headerType, long granulepos, int streamSerialNumber, int pageCount, int packetCount, byte[] packetSizes)
{
byte[] array = new byte[packetCount + 27];
OggSpeexWriter.WriteOggPageHeader(new BinaryWriter(new MemoryStream(array)), headerType, granulepos, streamSerialNumber, pageCount, packetCount, packetSizes);
return(array);
}
