public void SetProperty(WM_ATTR attr)
{
object obj;
uint size;
Logger.WriteLogMessage("Set property[" + attr.Name + "].");
switch (attr.DataType)
{
case WMT_ATTR_DATATYPE.WMT_TYPE_STRING:
byte[] arr = Encoding.Unicode.GetBytes((string)attr.Value + (char)0);
obj = arr;
size = (ushort)arr.Length;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_BOOL:
obj = (uint)((bool)attr ? 1 : 0);
size = 4;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_BINARY:
obj = (byte[])attr.Value;
size = (ushort)((byte[])obj).Length;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_DWORD:
obj = (uint)attr;
size = 4;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_QWORD:
obj = (ulong)attr;
size = 8;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_WORD:
obj = (ushort)attr;
size = 2;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_GUID:
obj = (Guid)attr;
size = (ushort)Marshal.SizeOf(typeof(Guid));
break;
default:
throw new ArgumentException("Invalid data type.", "attr");
}
GCHandle h = GCHandle.Alloc(obj, GCHandleType.Pinned);
try
{
_propertyVault.SetProperty(attr.Name, attr.DataType, h.AddrOfPinnedObject(), size);
}
finally
{
h.Free();
}
}
public void Open(string filePath, TimeSpan startTime, TimeSpan duration)
{
if (Utility.IsEmptyString(filePath))
{
throw new ArgumentNullException("inputFilePath", "Invalid string parameter.");
}
_reader.Open(filePath);
Logger.WriteLogMessage("Opened file [" + filePath + "] for reading.");
WMHeaderInfo readerHeaderInfo = new WMHeaderInfo((IWMHeaderInfo)_reader);
WM_ATTR attr = readerHeaderInfo.GetAttribute(Constants.g_wszWMDuration);
TimeSpan readerDuration = new TimeSpan((long)(ulong)attr.Value);
Logger.WriteLogMessage("Found input duration [" + readerDuration + "].");
if (startTime != TimeSpan.Zero)
{
//
// startTime, duration are in 100-nsec ticks
//
_reader.SetRange((ulong)startTime.Ticks, duration.Ticks); // seek
Logger.WriteLogMessage("Set range on reader, startTime [" + startTime + "], duration [" + duration + "].");
}
_reader.GetOutputCount(out _readerOutputCount);
Logger.WriteLogMessage("Found " + _readerOutputCount + " reader outputs.");
IWMProfile readerProfile = (IWMProfile)_reader;
readerProfile.GetStreamCount(out _readerStreamCount);
}
public void SetAttribute(WM_ATTR attr)
{
SetAttribute(0, attr);
}
public void SetAttribute(int streamNumber, WM_ATTR attr)
{
object obj;
ushort size;
switch (attr.DataType)
{
case WMT_ATTR_DATATYPE.WMT_TYPE_STRING:
byte[] arr = Encoding.Unicode.GetBytes((string)attr.Value + (char)0);
obj = arr;
size = (ushort)arr.Length;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_BOOL:
obj = (uint)((bool)attr ? 1 : 0);
size = 4;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_BINARY:
obj = (byte[])attr.Value;
size = (ushort)((byte[])obj).Length;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_DWORD:
obj = (uint)attr;
size = 4;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_QWORD:
obj = (ulong)attr;
size = 8;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_WORD:
obj = (ushort)attr;
size = 2;
break;
case WMT_ATTR_DATATYPE.WMT_TYPE_GUID:
obj = (Guid)attr;
size = (ushort)Marshal.SizeOf(typeof(Guid));
break;
default:
throw new ArgumentException("Invalid data type", "attr");
}
GCHandle h = GCHandle.Alloc(obj, GCHandleType.Pinned);
try
{
_headerInfo.SetAttribute((ushort)streamNumber, attr.Name, attr.DataType, h.AddrOfPinnedObject(), size);
}
finally
{
h.Free();
}
}
public void SetAttribute(WM_ATTR attr)
{
SetAttribute(0, attr);
}
