//E.g. This index can be used in GetTimeDescription(index)
public static int GetIndexFor(this SessionDescription sdp, TimeDescription td)
{
if (sdp == null || td == null)
{
return(-1);
}
return(sdp.m_TimeDescriptions.IndexOf(td));
}
public void Add(TimeDescription timeDescription, bool updateVersion = true)
{
if (UnderModification || timeDescription == null)
{
return;
}
var token = BeginUpdate();
m_TimeDescriptions.Add(timeDescription);
EndUpdate(token, updateVersion);
}
public bool Remove(TimeDescription timeDescription, bool updateVersion = true)
{
if (UnderModification || timeDescription == null)
{
return(false);
}
var token = BeginUpdate();
bool result = m_TimeDescriptions.Remove(timeDescription);
EndUpdate(token, updateVersion && result);
return(result);
}
public TimeDescription(TimeDescription other, bool referenceRepeatTimes = false)
{
StartTime = other.StartTime;
StopTime = other.StopTime;
if (referenceRepeatTimes)
{
RepeatLines = other.RepeatLines;
}
else
{
RepeatLines = new List <Lines.SessionRepeatTimeLine>(other.RepeatLines);
}
}
//Should have a date when or should return the date playable, which would then be used by another method to compare against a time.
public static bool IsPlayable(this MediaDescription mediaDescription, SessionDescription sessionDescription) //, DateTime? check = null) ,TimeSpan within = TimeSpan.Zero
{
if (mediaDescription == null || sessionDescription == null)
{
return(false);
}
//Get index of mediaDesription
//Check TimeDescription @ index.
TimeDescription td = GetTimeDescription(mediaDescription, sessionDescription);
if (td == null)
{
return(true);
}
//Unbound start and end ?
if (td.IsPermanent)
{
return(true);
}
//Notes multiple calls to UtcNow... (avoid with a within parameter)?
try
{
//Ensure not a bounded end and that the end time is less than now
if (td.StopTime != 0
&&
td.NtpStopDateTime >= DateTime.UtcNow)
{
return(false);
}
//Ensure start time is not bounded and that the start time is greater than now
if (td.StartTime != 0
&&
td.NtpStartDateTime > DateTime.UtcNow)
{
return(false);
}
//Check repeat times.
//td.RepeatTimes;
}
catch
{
//Out of range values for conversion, assume true if end is unbounded
if (td.StopTime != 0)
{
return(false);
}
}
finally
{
td = null;
}
return(true);
}
public bool Equals(TimeDescription other)
{
return(Media.Common.Extensions.EnumerableExtensions.SequenceEquals(this, other));
}
//Should have a date when or should return the date playable, which would then be used by another method to compare against a time.
public static bool IsPlayable(this MediaDescription mediaDescription, SessionDescription sessionDescription) //, DateTime? check = null) ,TimeSpan within = TimeSpan.Zero
{
if (Common.IDisposedExtensions.IsNullOrDisposed(mediaDescription) || Common.IDisposedExtensions.IsNullOrDisposed(sessionDescription))
{
return(false);
}
//Get index of mediaDesription
//Check TimeDescription @ index.
TimeDescription td = GetTimeDescription(mediaDescription, sessionDescription);
//Assume true
if (Common.IDisposedExtensions.IsNullOrDisposed(td))
{
return(true);
}
//Unbound start and end ?
if (td.IsPermanent)
{
return(true);
}
//Notes multiple calls to UtcNow... (avoid with a within parameter)?
try
{
//Ensure not a bounded end and that the end time is less than now
if (false.Equals(td.StopTime.Equals(0))
&&
td.NtpStopDateTime >= DateTime.UtcNow)
{
return(false);
}
//Ensure start time is not bounded and that the start time is greater than now
if (false.Equals(td.StartTime.Equals(0))
&&
td.NtpStartDateTime > DateTime.UtcNow)
{
return(false);
}
//Check repeat times.
//td.RepeatTimes;
}
//Todo, should not access property again during exception especially when out of range is potential.
catch
{
//Out of range values for conversion, assume true if end is unbounded
if (false.Equals(td.StopTime.Equals(0)))
{
return(false);
}
}
finally
{
td = null;
}
return(true);
}
