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/***************************************************************************
copyright : (C) 2005 by Brian Nickel
email : brian.nickel@gmail.com
***************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
* USA *
***************************************************************************/
using System;
namespace TagLib.Asf
{
public class StreamPropertiesObject : Object
{
//////////////////////////////////////////////////////////////////////////
// private properties
//////////////////////////////////////////////////////////////////////////
private Guid stream_type;
private Guid error_correction_type;
private long time_offset;
private short flags;
private uint reserved;
private ByteVector type_specific_data;
private ByteVector error_correction_data;
//////////////////////////////////////////////////////////////////////////
// public methods
//////////////////////////////////////////////////////////////////////////
public StreamPropertiesObject (Asf.File file, long position) : base (file, position)
{
if (!Guid.Equals (Asf.Guid.AsfStreamPropertiesObject))
throw new System.Exception ("Object GUID incorrect.");
if (OriginalSize < 78)
throw new System.Exception ("Object size too small.");
stream_type = file.ReadGuid ();
error_correction_type = file.ReadGuid ();
time_offset = file.ReadQWord ();
int type_specific_data_length = (int) file.ReadDWord ();
int error_correction_data_length = (int) file.ReadDWord ();
flags = file.ReadWord ();
reserved = file.ReadDWord ();
type_specific_data = file.ReadBlock (type_specific_data_length);
error_correction_data = file.ReadBlock (error_correction_data_length);
}
public override ByteVector Render ()
{
ByteVector output = new ByteVector ();
output += stream_type.Render ();
output += error_correction_type.Render ();
output += RenderQWord (time_offset);
output += RenderDWord ((uint) type_specific_data.Count);
output += RenderDWord ((uint) error_correction_data.Count);
output += RenderWord (flags);
output += RenderDWord (reserved);
output += type_specific_data;
output += error_correction_data;
return Render (output);
}
//////////////////////////////////////////////////////////////////////////
// public properties
//////////////////////////////////////////////////////////////////////////
public Guid StreamType {get {return stream_type;}}
public Guid ErrorCorrectionType {get {return error_correction_type;}}
public TimeSpan TimeOffset {get {return new TimeSpan (time_offset);}}
public short Flags {get {return flags;}}
public ByteVector TypeSpecificData {get {return type_specific_data;}}
public ByteVector ErrorCorrectionData {get {return error_correction_data;}}
}
}
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