public VirtualFlacCreator(string file, string flacImageFileName, ITrackInfo [] tracksInfo)
{
tracksInfo_ = tracksInfo;
string xml = String.Format("<virtualFlac><flacImage uri=\"{0}\"><tracks></tracks><frames></frames></flacImage></virtualFlac>", flacImageFileName);
XmlDocument doc = new XmlDocument();
doc.LoadXml(xml);
inStream_ = new FlacStream(file, FlacStream.StreamMode.OpenExisting, FlacStream.StreamAccessMode.Read);
inStream_.BeforeFrameDataRead += new FrameCallback(inStream__BeforeFrameDataRead);
outStream_ = new FlacStream(Path.GetTempFileName(), FlacStream.StreamMode.CreateNew, FlacStream.StreamAccessMode.Write);
inStream_.Decode();
outStream_.Close();
XmlNode tracks = doc.SelectSingleNode("/virtualFlac/flacImage/tracks");
foreach (VirtualTrack vt in virtualTracks_)
{
XmlNode track = doc.CreateElement("track");
vt.SaveToXml(track);
tracks.AppendChild(track);
}
string virtualFlacFile = file.Remove(file.Length - ".flac".Length) + ".virtualflac";
doc.Save(virtualFlacFile);
}
public ExtractTrack(string file, long startSample, long endSample)
: base(file)
{
startSample_ = startSample;
endSample_ = endSample;
string destFile = file + "." + startSample + ".flac";
Console.Write("Extracting...");
outStream_ = new FlacStream(destFile, FlacStream.StreamMode.CreateNew, FlacStream.StreamAccessMode.Both);
outStream_.Encode();
stream_.Decode();
stream_.Close();
outStream_.Close();
outStream_ = new FlacStream(destFile, FlacStream.StreamMode.OpenExisting, FlacStream.StreamAccessMode.Both);
outStream_.Encode();
streamInfo_.Header.IsLastMetadataBlock = true;
streamInfo_.TotalSamples = sampleCount_;
streamInfo_.Checksum[0] = 0;
streamInfo_.Checksum[1] = 0;
streamInfo_.Checksum[2] = 0;
streamInfo_.Checksum[3] = 0;
streamInfo_.Write(outStream_);
outStream_.Close();
Done();
}
