/// <summary>
/// Initializes a new instance of the <see cref="FileSegment"/> class.
/// Allow specifying an absolutely aligned (to the nearest minute) file segment.
/// Implies `FileDateBehavior.Required`.
/// NOTE: Start offset will be set to start of file, and end offset set to the end of the file.
/// </summary>
public FileSegment(
FileInfo source,
TimeAlignment alignment,
IAudioUtility utility = null,
FileDateBehavior dateBehavior = FileDateBehavior.Try)
{
Contract.Requires(source != null);
if (alignment != TimeAlignment.None)
{
Contract.Requires(
dateBehavior == FileDateBehavior.Required,
"If TimeAlignment is required, a date must be required in the filename");
}
this.dateBehavior = dateBehavior;
this.Source = source;
this.Alignment = alignment;
var fileDate = this.ParseDate(null);
var info = (utility ?? DefaultMasterAudioUtility).Info(source);
var basename = Path.GetFileNameWithoutExtension(this.Source.Name);
this.SourceMetadata = new SourceMetadata(info.Duration.Value, info.SampleRate.Value, basename, fileDate);
Contract.Ensures(this.Validate(), "FileSegment did not validate");
}
/// <summary>
/// Creates a new <see cref="TaskProcessor"/> based on a <see cref="Task"/>
/// </summary>
/// <param name="task"> The <see cref="Task"/></param>
/// <returns></returns>
public TaskProcessor(AdaptTask task)
{
SignalWritter.CleanAppData();
CreateSourceInstance(task.DataSource);
List <AdaptSignal> inputSignals = m_Source.GetSignals().Where(s => task.InputSignalIds.Contains(s.ID)).ToList();
m_sourceQueue = Channel.CreateUnbounded <IFrame>();
m_start = task.Start;
m_end = task.End;
m_sourceSignals = inputSignals;
m_cancelationSource = new CancellationTokenSource();
m_sectionQueue = task.Sections.Select(sec => Channel.CreateUnbounded <IFrame>()).ToList();
Dictionary <string, int> framesPerSecond = new Dictionary <string, int>(inputSignals.Select(item => new KeyValuePair <string, int>(item.ID, (int)item.FramesPerSecond)));
m_processors = task.Sections.Select((sec, i) => {
if (i == 0)
{
return(new SignalProcessor(m_sourceQueue, m_sectionQueue[0], sec, framesPerSecond));
}
return(new SignalProcessor(m_sectionQueue[i - 1], m_sectionQueue[i], sec, framesPerSecond));
}).ToList();
task.OutputSignals.ForEach(s => s.FramesPerSecond = framesPerSecond[s.ID]);
m_writers = new ConcurrentDictionary <string, SignalWritter>(task.OutputSignals.ToDictionary(signal => signal.ID, signal => new SignalWritter(signal, task.VariableReplacements)));
m_commonFrameRate = TimeAlignment.Combine(m_processors.Select(item => item.FramesPerSecond).Where(fps => fps > 0).ToArray());
}
public SignalProcessor(Channel <IFrame> input, Channel <IFrame> output, TaskSection section, Dictionary <string, int> framesPerSecond)
{
m_queueInput = input;
m_queueOutput = output;
m_analyticProcesors = section.Analytics.Select(item => new AnalyticProcessor(item, framesPerSecond)).ToList();
m_futureFrameBufferSize = m_analyticProcesors.Max(a => a.NFutureFrames);
m_futureFrameBuffer = new Queue <IFrame>(m_futureFrameBufferSize);
FramesPerSecond = TimeAlignment.Combine(m_analyticProcesors.Select(item => item.FramesPerSecond).Where(fps => fps > 0).ToArray());
m_lastProcessedTS = Ticks.MinValue;
}
/// <summary>
/// Create as new <see cref="TaskProcessor"/> that only grabs the data from the <see cref="IDataSource"/> and saves it.
/// No Processing is done in between.
/// </summary>
/// <param name="Signals"> A list of <see cref="AdaptSignal"/> to grab.</param>
/// <param name="Source"> The <see cref="DataSource"/> used to get the Data</param>
public TaskProcessor(List <AdaptSignal> Signals, DataSource Source, DateTime start, DateTime end)
{
SignalWritter.CleanAppData();
CreateSourceInstance(Source);
m_writers = new ConcurrentDictionary <string, SignalWritter>(Signals.ToDictionary(signal => signal.ID, signal => new SignalWritter(signal)));
m_processors = new List <SignalProcessor>();
m_sourceQueue = Channel.CreateUnbounded <IFrame>();
m_sectionQueue = new List <Channel <IFrame> >();
m_start = start;
m_end = end;
m_sourceSignals = Signals;
m_cancelationSource = new CancellationTokenSource();
m_commonFrameRate = TimeAlignment.Combine(Signals.Select(item => item.FramesPerSecond).ToArray());
}
/// <summary>
/// Initializes a new instance of the <see cref="FileSegment"/> class.
/// Allow specifying an absolutely aligned (to the nearest minute) file segment.
/// Implies `FileDateBehavior.Required`.
/// NOTE: Start offset will be set to start of file, and end offset set to the end of the file.
/// </summary>
public FileSegment(FileInfo source, TimeAlignment alignment)
: this(source, alignment, null, FileDateBehavior.Required)
{
}