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WavPack can also be read from RAR archive

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This commit is contained in:
chudov
2008-11-10 12:39:07 +00:00
parent 9f4ceab16e
commit d4e68c5261
6 changed files with 254 additions and 47 deletions
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83
UnRarDotNet/RarStream.cs
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@@ -13,18 +13,20 @@ namespace UnRarDotNet
{
public class RarStream : Stream
{
public RarStream(string archive, string fileName)
public RarStream(string path, string fileName)
{
_stop = false;
_close = false;
_eof = false;
_rewind = false;
_unrar = new Unrar();
_buffer = null;
_offset = 0;
_length = 0;
_pos = 0;
_path = path;
_fileName = fileName;
_unrar.PasswordRequired += new PasswordRequiredHandler(unrar_PasswordRequired);
_unrar.DataAvailable += new DataAvailableHandler(unrar_DataAvailable);
_unrar.Open(archive, Unrar.OpenMode.Extract);
_fileName = fileName;
_workThread = new Thread(Decompress);
_workThread.Priority = ThreadPriority.BelowNormal;
_workThread.IsBackground = true;
@@ -48,7 +50,7 @@ namespace UnRarDotNet
{
lock (this)
{
while (_size == null && !_stop)
while (_size == null && !_close)
Monitor.Wait(this);
}
if (_size == null)
@@ -65,7 +67,7 @@ namespace UnRarDotNet
{
lock (this)
{
_stop = true;
_close = true;
Monitor.Pulse(this);
}
if (_workThread != null)
@@ -95,7 +97,7 @@ namespace UnRarDotNet
{
lock (this)
{
while (_buffer == null && !_stop)
while (_buffer == null && !_eof)
Monitor.Wait(this);
if (_buffer == null)
return total;
@@ -139,7 +141,7 @@ namespace UnRarDotNet
{
lock (this)
{
while (_size == null && !_stop)
while (_size == null && !_close)
Monitor.Wait(this);
if (_size == null)
throw new NotSupportedException();
@@ -163,8 +165,15 @@ namespace UnRarDotNet
}
if (_seek_to.Value < _pos)
{
_seek_to = null;
throw new NotSupportedException("cannot seek backwards");
lock (this)
{
_pos = 0;
_rewind = true;
_buffer = null;
Monitor.Pulse(this);
}
//_seek_to = null;
//throw new NotSupportedException("cannot seek backwards");
}
return _seek_to.Value;
}
@@ -176,12 +185,13 @@ namespace UnRarDotNet
private Unrar _unrar;
private string _fileName;
private Thread _workThread;
private bool _stop;
private bool _close, _rewind, _eof;
private byte[] _buffer;
int _offset, _length;
long? _size;
long? _seek_to;
long _pos;
string _path;
private void unrar_PasswordRequired(object sender, PasswordRequiredEventArgs e)
{
@@ -193,9 +203,15 @@ namespace UnRarDotNet
{
lock (this)
{
while (_buffer != null && !_stop)
while (_buffer != null && !_close)
Monitor.Wait(this);
if (_stop)
if (_close)
{
e.ContinueOperation = false;
Monitor.Pulse(this);
return;
}
if (_rewind)
{
e.ContinueOperation = false;
Monitor.Pulse(this);
@@ -213,28 +229,47 @@ namespace UnRarDotNet
{
//try
{
while (_unrar.ReadHeader())
do
{
if (_unrar.CurrentFile.FileName == _fileName)
_unrar.Open(_path, Unrar.OpenMode.Extract);
while (_unrar.ReadHeader())
{
lock (this)
if (_unrar.CurrentFile.FileName == _fileName)
{
_size = _unrar.CurrentFile.UnpackedSize;
Monitor.Pulse(this);
lock (this)
{
if (_size == null)
{
_size = _unrar.CurrentFile.UnpackedSize;
Monitor.Pulse(this);
}
}
_unrar.Test();
break;
}
_unrar.Test();
break;
else
_unrar.Skip();
}
else
_unrar.Skip();
}
_unrar.Close();
lock (this)
{
_eof = true;
Monitor.Pulse(this);
while (!_rewind && !_close)
Monitor.Wait(this);
if (_close)
break;
_rewind = false;
_eof = false;
}
} while (true);
}
//catch (StopExtractionException)
//{
//}
lock (this)
{
_stop = true;
_close = true;
Monitor.Pulse(this);
}
}