/// <summary>
/// Loads DVRSettings from a specified file.
/// </summary>
/// <param name="fileName">The filename to load. If you are trying to load multiple distinct files, set bypassCache to true.</param>
/// Set to true to always read from the disk and return a distinct copy
/// Set to false to use the cached copy if available.
/// </param>
/// <returns>the RTSPServer from the indicated file</returns>
public static DVRSettings LoadFromFile(string fileName)
{
DVRSettings result = null;
FileStream file = null;
try
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(DVRSettings));
file = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
result = (DVRSettings)xmlSerializer.Deserialize(file);
}
catch (Exception e)
{
Debug.WriteLine(String.Format("DVRSettings was not loaded -- the configuration file {0} could not be loaded", PersistFileName));
Debug.WriteLine(e.Message);
}
finally
{
if (file != null)
{
file.Close();
file.Dispose();
}
}
return(result);
}
public DVRtoMPEG2TS(StreamSourceInfo sourceConfig, OpenGraphRequest openGraphRequest) : base(sourceConfig, openGraphRequest)
{
AppLogger.Message("In DVRtoMPEG2TS - CurrentProfile is " + CurrentProfile.Name);
InitializeSink();
_captureFilter = AddFilterByName(FilterCategory.LegacyAmFilterCategory, "LEAD DVR Source");
IFileSourceFilter fileSource = (IFileSourceFilter)_captureFilter;
String[] sourceNameParts = sourceConfig.SourceName.Split('-');
DVRSettings dvrSettings = DVRSettings.LoadFromFile();
int hr = fileSource.Load(dvrSettings.RootFolder + sourceNameParts[0] + @"/Stream.LBL", null);
DsError.ThrowExceptionForHR(hr);
ILMDVRSource sourceControl = (ILMDVRSource)_captureFilter;
sourceControl.ResetToDefaultsEx(LMDVRSource_APILEVEL.LMDVRSource_APILEVEL_1);
_demux = AddFilterByName(FilterCategory.LegacyAmFilterCategory, "LEAD MPEG2 Transport Demultiplexer");
_demuxControl = (ILMMpgDmx)_demux;
_demuxControl.AutoLive = true;
_demuxControl.AutoLiveTolerance = .5;
// _currentVideoSettings = new VideoSettings();
// _currentVideoSettings.CodecType = CurrentProfile.Video.CodecType;
ConnectFilters(_captureFilter, "Output", _demux, "Input 01");
if (CurrentProfile.Video != null)
{
VideoSettings settings = CurrentProfile.Video;
_videoDecoder = AddFilterByName(FilterCategory.LegacyAmFilterCategory, "LEAD H264 Decoder (3.0)");
_videoEncoder = AddFilterByName(FilterCategory.LegacyAmFilterCategory, "LEAD H264 Encoder (4.0)");
ConnectFilters(_demux, "H.264 Video", _videoDecoder, "XForm In");
ConnectFilters(_videoDecoder, "XForm Out", _videoEncoder, "XForm In");
LMH264EncoderLib.ILMH264Encoder encoderConfig = (LMH264EncoderLib.ILMH264Encoder)_videoEncoder;
encoderConfig.EnableRateControl = true;
encoderConfig.BitRate = settings.ConstantBitRate * 1024;
ConnectFilterToMux(_videoEncoder, "XForm Out", "Input 01");
}
else
{
ConnectFilterToMux(_demux, "H.264 Video", "Input 01");
}
ConnectMuxToSink();
}
/// <summary>
/// Add the LEAD DVR Source filter to a graph (builder) and
/// load the fileSource using the associated input graph's
/// source name (from sourceConfig). For example, if the output
/// graph source name was "Vid1-RTSP" then the input graph
/// source name will have a name of "Vid1".
/// <DVRSourceName> --> <LeftOfSinkSourceName>
/// Vid1-RTSP (the output graph source name) --> Vid1 (the input graph source name)
/// </summary>
public static IBaseFilter GetAndConfigureDVRSourceForSink(IGraphBuilder builder, StreamSourceInfo sourceConfig)
{
IBaseFilter result = FilterGraphTools.AddFilterByName(builder, FilterCategory.LegacyAmFilterCategory, "LEAD DVR Source");
if (result == null)
{
throw new Exception("The LEADTOOLS DVR Source filter is not registered");
}
IFileSourceFilter fileSource = (IFileSourceFilter)result;
String[] sourceNameParts = sourceConfig.SourceName.Split('-');
DVRSettings dvrSettings = DVRSettings.LoadFromFile();
int hr = fileSource.Load(dvrSettings.RootFolder + sourceNameParts[0] + @"/Stream.LBL", null);
DsError.ThrowExceptionForHR(hr);
ILMDVRSource sourceControl = (ILMDVRSource)result;
sourceControl.ResetToDefaultsEx(LMDVRSource_APILEVEL.LMDVRSource_APILEVEL_1);
return(result);
}
