public override void WriteHeader(string comment)
{
OggPageHeader pageHeader = new OggPageHeader(OggPageHeader.HEADER_TYPE_BOS, 0, streamSerialNumber, pageCount++, 0, 1, new byte[1] {
80
});
byte[] pageHeaderData = pageHeader.BuildData();
SpeexHeader speexHeader = new SpeexHeader(sampleRate, mode, channels, vbr, bitRate, nframes);
byte[] speexHeaderData = speexHeader.BuildData();
int chksum = OggCrc2.checksum(0, pageHeaderData, 0, pageHeaderData.Length);
chksum = OggCrc2.checksum(chksum, speexHeaderData, 0, speexHeaderData.Length);
LittleEndian.WriteInt(pageHeaderData, 22, chksum);
//Misc.ShowBytes(pageHeaderData, 0, pageHeaderData.Length);
//Misc.ShowBytes(speexHeaderData, 0, speexHeaderData.Length);
stream.Write(pageHeaderData, 0, pageHeaderData.Length);
stream.Write(speexHeaderData, 0, speexHeaderData.Length);
//Console.WriteLine("write page header:" + pageHeaderData.Length);
//Console.WriteLine("write speex header:" + speexHeaderData.Length);
//comment
pageHeader = new OggPageHeader(OggPageHeader.HEADER_TYPE_NORMAL, 0, streamSerialNumber, pageCount++, 0, 1, new byte[1] {
(byte)(comment.Length + 8)
});
pageHeaderData = pageHeader.BuildData();
speexHeaderData = new byte[comment.Length + 8];
LittleEndian.WriteInt(speexHeaderData, 0, comment.Length);
LittleEndian.WriteString(speexHeaderData, 4, comment);
LittleEndian.WriteInt(speexHeaderData, 4 + comment.Length, 0);
chksum = OggCrc2.checksum(0, pageHeaderData, 0, pageHeaderData.Length);
chksum = OggCrc2.checksum(chksum, speexHeaderData, 0, speexHeaderData.Length);
LittleEndian.WriteInt(pageHeaderData, 22, chksum);
stream.Write(pageHeaderData, 0, pageHeaderData.Length);
stream.Write(speexHeaderData, 0, speexHeaderData.Length);
//Misc.ShowBytes(pageHeaderData, 0, pageHeaderData.Length);
//Misc.ShowBytes(speexHeaderData, 0, speexHeaderData.Length);
//Console.WriteLine("write page header:" + pageHeaderData.Length);
//Console.WriteLine("write speex comment:" + speexHeaderData.Length);
}
private void Flush(bool eos)
{
OggPageHeader pageHeader = new OggPageHeader((eos ? OggPageHeader.HEADER_TYPE_EOS : OggPageHeader.HEADER_TYPE_NORMAL), granulepos, streamSerialNumber, pageCount++, 0, packetCount, headerBuffer);
byte[] pageHeaderData = pageHeader.BuildData();
int chksum = OggCrc2.checksum(0, pageHeaderData, 0, pageHeaderData.Length);
chksum = OggCrc2.checksum(chksum, dataBuffer, 0, dataBufferPtr);
LittleEndian.WriteInt(pageHeaderData, 22, chksum);
stream.Write(pageHeaderData, 0, pageHeaderData.Length);
stream.Write(dataBuffer, 0, dataBufferPtr);
packetDataSize += dataBufferPtr;
dataBufferPtr = 0;
headerBufferPtr = 0;
packetCount = 0;
if (eos)
{
Console.WriteLine("total write " + packetDataSize + " packet data int byte");
}
}