/// <summary>
/// Write .w3speech format to BinaryWriter.
/// </summary>
/// <param name="id">The id to use which usually is CPSW.</param>
/// <param name="version">The version to use, which is usually either 163 or 162.</param>
/// <param name="inputs">Wem and cr2w pairs to write to the stream.</param>
/// <param name="language_key">The language key to use for the format.</param>
/// <param name="bw">Stream to write the w3speech format to.</param>
/// <exception cref="Exception">Something happened.</exception>
public static void Encode(String id, UInt32 version, IEnumerable <WemCr2wInputPair> inputs, W3LanguageKey language_key, BinaryWriter bw)
{
var inputList = inputs.ToList();
bw.Write(System.Text.Encoding.ASCII.GetBytes(id.Substring(0, 4).PadLeft(4)));
bw.Write(version);
bw.Write((UInt16)(language_key.value >> 16));
var bytes_written_count = bw.WriteBit6(inputList.Count);
UInt64 pos = 4 + 4 + 2 + bytes_written_count + ((UInt64)inputList.Count * 10 * 4) + 2;
var itemInfos = inputList.Select(pair =>
{
var wave_offset = (UInt32)pos + 4;
UInt32 cr2w_offset = wave_offset + pair.wem_size + 8;
pos = cr2w_offset + pair.cr2w_size;
return(new SpeechEntry(null, pair.id, pair.id_high, wave_offset, pair.wem_size, cr2w_offset, pair.cr2w_size, pair.duration));
}).ToList();
byte[] zeros = new byte[] { 0, 0, 0, 0 };
itemInfos.ForEach(info =>
{
bw.Write((UInt32)info.id.value);
bw.Write((UInt32)info.id_high);
bw.Write((UInt32)info.wem_offs - 4);
bw.Write(zeros);
bw.Write((UInt32)info.wem_size + 12);
bw.Write(zeros);
bw.Write((UInt32)info.cr2w_offs);
bw.Write(zeros);
bw.Write((UInt32)info.cr2w_size);
bw.Write(zeros);
});
bw.Write((UInt16)(language_key.value & 0xFFFF));
inputList.ForEach(pair =>
{
var wem = pair.wem.Invoke();
bw.Write((UInt32)pair.wem_size);
StreamTools.Transfer(pair.wem_size, wem, bw.BaseStream);
wem.Close();
bw.Write(pair.duration);
bw.Write((UInt32)4);
var cr2w = pair.cr2w.Invoke();
StreamTools.Transfer(pair.cr2w_size, cr2w, bw.BaseStream);
cr2w.Close();
});
}
/// <summary>
/// Unpacks the w3speech file into the directory.
/// </summary>
/// <param name="directory">The directory where the new wem and cr2w files will be unpacked into.</param>
/// <param name="w3speech_file">The w3speech file to unpack.</param>
/// <param name="languages">Information about the known languages. The right one will be selected automatically.</param>
/// <exception cref="Exception">Something happened.</exception>
public static void UnpackW3SpeechFile(String directory, String w3speech_file, IEnumerable <W3Language> languages)
{
var input = new BinaryReader(new FileStream(w3speech_file, FileMode.Open));
var info = Coder.Decode(new W3Speech(w3speech_file), input);
var language = languages.First(lang => lang.Key.value == info.language_key.value);
var dir = directory.EndsWith("\\") ? directory : directory + "\\";
info.item_infos.ToList().ForEach(item =>
{
var neutral_id = LanguageTools.Convert(item.id, language);
var wem_file_name = neutral_id.value.ToString("D10") + "[" + item.duration.ToString("R", CultureInfo.InvariantCulture) + "](" + item.id_high.ToString("D10") + ").wem";
var wem_output = new BinaryWriter(new FileStream(dir + wem_file_name, FileMode.Create));
input.BaseStream.Seek((int)item.wem_offs, SeekOrigin.Begin);
StreamTools.Transfer(item.wem_size, input.BaseStream, wem_output.BaseStream);
wem_output.Close();
var cr2w_file_name = neutral_id.value.ToString("D10") + "(" + item.id_high.ToString("D10") + ").cr2w";
var cr2w_output = new BinaryWriter(new FileStream(dir + cr2w_file_name, FileMode.Create));
input.BaseStream.Seek((int)item.cr2w_offs, SeekOrigin.Begin);
StreamTools.Transfer(item.cr2w_size, input.BaseStream, cr2w_output.BaseStream);
cr2w_output.Close();
});
input.Close();
}
