/// <summary>
/// Writes the size field for this frame to a stream.
/// </summary>
/// <param name="stream">The stream to write to.</param>
/// <param name="version">The ID3v2 version to use in writing the frame.</param>
protected void WriteFrameSize(Stream stream, ID3Versions version)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
switch (version)
{
case ID3Versions.V2_2:
stream.Write(EncodedInteger.ToBytes(this.Size, ID3V2_2FrameSizeFieldLength), 0, ID3V2_2FrameSizeFieldLength);
break;
case ID3Versions.V2_3:
stream.Write(EncodedInteger.ToBytes(this.Size, ID3V2_3FrameSizeFieldLength), 0, ID3V2_3FrameSizeFieldLength);
break;
case ID3Versions.V2_4:
stream.Write(SynchsafeInteger.Synchsafe(this.Size), 0, ID3V2_4FrameSizeFieldLength);
break;
default:
throw new UnsupportedVersionException(version);
}
}
/// <summary>
/// Writes the tag header to the specified stream.
/// </summary>
/// <param name="stream">The stream to be written to.</param>
/// <param name="version">The ID3v2 version of the tag to be written.</param>
private void WriteHeader(Stream stream, ID3Versions version)
{
if ((version & ID3Versions.V2) == ID3Versions.V2)
{
stream.Write(StringToBytes("ID3"), 0, 3);
WriteVersion(stream, version);
WriteFlags(stream, version);
stream.Write(
SynchsafeInteger.Synchsafe(this.GetFramesSize(version) + this.PaddingSize), 0, 4);
stream.Flush();
}
else
{
throw new UnsupportedVersionException(version);
}
}
