/// <summary>
/// This object is a managed wrapper around the SBE's RecComp object
/// </summary>
/// <param name="srcFile">The source file to be cutted</param>
/// <param name="destFile">The resulting file. Delet</param>
/// <remarks>Warning, if destFile already exists, the constructor delete it</remarks>
/// <exception cref="System.IO.FileNotFoundException">Thrown if srcFile doesn't exists</exception>
/// <exception cref="System.Runtime.InteropServices.COMException">Thrown if someting wrong append during the destination initialization</exception>
public SBECutter2(string srcFile, string destFile)
{
if (!File.Exists(srcFile))
{
throw new FileNotFoundException();
}
if (File.Exists(destFile))
{
File.Delete(destFile);
}
sbeRecComp = (IStreamBufferRecComp) new StreamBufferComposeRecording();
source = srcFile;
destionation = destFile;
int hr = sbeRecComp.Initialize(destionation, source);
DsError.ThrowExceptionForHR(hr);
}
public SBECutter()
{
// Create this object
recComp = (IStreamBufferRecComp) new StreamBufferComposeRecording();
}
/// <summary>Splices together all of the spans.</summary>
/// <returns></returns>
protected override object DoWork()
{
IStreamBufferRecComp recComp = null;
Timer timer = null;
try
{
// Timer used for updating progress
timer = new Timer(new TimerCallback(HandleProgressUpdate), null, PollFrequency, PollFrequency);
// Create the RecComp and initialize it
recComp = (IStreamBufferRecComp)ClassId.CoCreateInstance(ClassId.RecComp);
if (File.Exists(_target.FullName)) File.Delete(_target.FullName);
recComp.Initialize(_target.FullName, _spans[0].File.FullName);
_recComp = recComp; // only valid during this call
// Add each span to the output file
FileInfo dvrTarget = _target;
for(int i=0; i<_spans.Count; i++)
{
// If the user has requested cancellation, stop processing
if (CancellationPending) break;
// Do the append
VideoSpan span = _spans[i];
ulong start = VideoSpan.SecondsToHundredNanoseconds(span.StartPosition);
ulong stop = VideoSpan.SecondsToHundredNanoseconds(span.StopPosition);
recComp.AppendEx(span.File.FullName, start, stop);
}
}
finally
{
// Clean up after the RecComp object and the timer
if (timer != null) timer.Dispose();
if (recComp != null) recComp.Close();
while(Marshal.ReleaseComObject(recComp) > 0);
}
// Copy the metadata if requested... use that from the first span.
if (_copyMetadata)
{
using(MetadataEditor sourceEditor = new DvrmsMetadataEditor(_spans[0].File.FullName))
{
using(MetadataEditor destEditor = new AsfMetadataEditor(_target.FullName))
{
MetadataEditor.MigrateMetadata(sourceEditor, destEditor);
}
}
}
// Notify that we're done
OnProgressChanged(100);
return null;
}
public SBECutter()
{
// Create this object
recComp = (IStreamBufferRecComp) new StreamBufferComposeRecording();
}
private void Configure()
{
m_sbrc = (IStreamBufferRecComp) new StreamBufferComposeRecording();
}
/// <summary>Splices together all of the spans.</summary>
/// <returns></returns>
protected override object DoWork()
{
IStreamBufferRecComp recComp = null;
Timer timer = null;
try
{
// Timer used for updating progress
timer = new Timer(new TimerCallback(HandleProgressUpdate), null, PollFrequency, PollFrequency);
// Create the RecComp and initialize it
recComp = (IStreamBufferRecComp)ClassId.CoCreateInstance(ClassId.RecComp);
if (File.Exists(_target.FullName))
{
File.Delete(_target.FullName);
}
recComp.Initialize(_target.FullName, _spans[0].File.FullName);
_recComp = recComp; // only valid during this call
// Add each span to the output file
FileInfo dvrTarget = _target;
for (int i = 0; i < _spans.Count; i++)
{
// If the user has requested cancellation, stop processing
if (CancellationPending)
{
break;
}
// Do the append
VideoSpan span = _spans[i];
ulong start = VideoSpan.SecondsToHundredNanoseconds(span.StartPosition);
ulong stop = VideoSpan.SecondsToHundredNanoseconds(span.StopPosition);
recComp.AppendEx(span.File.FullName, start, stop);
}
}
finally
{
// Clean up after the RecComp object and the timer
if (timer != null)
{
timer.Dispose();
}
if (recComp != null)
{
recComp.Close();
}
while (Marshal.ReleaseComObject(recComp) > 0)
{
;
}
}
// Copy the metadata if requested... use that from the first span.
if (_copyMetadata)
{
using (MetadataEditor sourceEditor = new DvrmsMetadataEditor(_spans[0].File.FullName))
{
using (MetadataEditor destEditor = new AsfMetadataEditor(_target.FullName))
{
MetadataEditor.MigrateMetadata(sourceEditor, destEditor);
}
}
}
// Notify that we're done
OnProgressChanged(100);
return(null);
}
