public static MXFCDCIPictureEssenceDescriptor GetPictureDescriptorInHeader(this MXFFile file)
{
return(file
.GetHeader()
.Children
.OfType <MXFCDCIPictureEssenceDescriptor>()
.SingleOrDefault());
}
public static MXFContentStorage GetContentStorage(this MXFFile file)
{
// TODO assuming there is only one content storage
return(file.LogicalBase
.Children
.OfWrappedType <MXFContentStorage>()
.FirstOrDefault()
.UnWrapAs <MXFContentStorage>());
}
/// <summary>
/// Check the essence range
/// </summary>
/// <param name="file"></param>
/// <param name="results"></param>
protected void CheckUserDates(MXFFile file, List <MXFValidationResult> results)
{
List <MXFSystemItem> items = this.m_systemItems.OrderBy(a => a.ContinuityCount).ToList();
if (items.Count > 1)
{
MXFTimeStamp ts = new MXFTimeStamp(items.First().UserDate);
if (ts != null)
{
MXFValidationResult valResult = new MXFValidationResult("System Items");
results.Add(valResult); // And directly add the results
MXFTimeStamp tsLast = null;
for (int n = 1; n < items.Count() - 1; n++) // Skip last one (always invalid??)
{
ts.Increase();
if (!items[n].UserDate.IsEmpty())
{
if (!items[n].UserDate.IsSame(ts))
{
valResult.SetError(string.Format("Invalid user date at offset {0} (was {1}, expected {2})!", items[n].Offset, items[n].UserDate, ts));
return;
}
tsLast = items[n].UserDate;
}
}
if (tsLast != null)
{
valResult.SetSuccess(string.Format("UserDates are continious from {0} to {1}, at {2} fps!", items.First().UserDate, tsLast, ts.FrameRate));
}
else
{
valResult.SetSuccess(string.Format("UserDates are continious!"));
}
}
}
}
/// <summary>
/// Check the essence range
/// </summary>
/// <param name="file"></param>
/// <param name="results"></param>
protected void CheckContinuityCounter(MXFFile file, List <MXFValidationResult> results)
{
MXFValidationResult valResult = new MXFValidationResult("System Items");
results.Add(valResult); // And directly add the results
// Check for continous range
int cc = -1;
int errorCount = 0;
foreach (MXFSystemItem si in this.m_systemItems)
{
if (si.ContinuityCount - cc != 1)
{
errorCount++;
//valResult.SetError(string.Format("Invalid continuity count for system item at offset {0}. CC should be {1} but is {2}!", si.Offset, cc + 1, si.ContinuityCount));
//return;
}
cc = si.ContinuityCount;
}
if (errorCount > 0)
{
if (errorCount >= this.m_systemItems.Count() - 1)
{
valResult.SetWarning(string.Format("All continuity counter values are not set!"));
}
else
{
valResult.SetError(string.Format("Found {0} invalid continuity counter values (total system items {1})!", errorCount, this.m_systemItems.Count()));
}
}
else
{
valResult.SetSuccess(string.Format("Continuity counter values are correct!"));
}
}
public static bool IsFooterClosedAndComplete(this MXFFile file)
{
return(file.GetFooter().IsPartitionClosedAndComplete());
}
public static bool AreAllPartitionsOP1a(this MXFFile file)
{
MXFKey op1a = new MXFKey(0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x01, 0x0D, 0x01, 0x02, 0x01, 0x01, 0x01, 0x09, 0x00);
return(file.Partitions.Select(p => p.OP).Any(s => s == op1a));
}
public static bool IsKAGSizeOfAllPartitionsEqual(this MXFFile file, uint size)
{
return(file.Partitions.Select(p => p.KagSize).All(s => s == size));
}
public static IEnumerable <MXFAES3PCMDescriptor> GetAudioEssenceDescriptorsInHeader(this MXFFile file)
{
return(file
.GetHeader()
.Children
.OfType <MXFAES3PCMDescriptor>());
}
public static IEnumerable <MXFPartition> GetBodiesContainingEssences(this MXFFile file)
{
return(file.GetBodies().Where(b => b.Children.OfType <MXFEssenceElement>().Any()));
}
public static MXFPartition GetFooter(this MXFFile file)
{
return(file.Partitions.SingleOrDefault(p => p.PartitionType == PartitionType.Footer));
}
public static MXFPartition GetHeader(this MXFFile file)
{
//TODO should we return all found elements or use single explicitly
return(file.Partitions.SingleOrDefault(p => p.PartitionType == PartitionType.Header));
}
public static bool IsDurationOfBodiesMax240Units(this MXFFile file)
{
return(file.GetBodiesContainingEssences().All(b => b.IsPartitionDurationBetween(1, 240)));
}
public static bool ISRIPPresent(this MXFFile file)
{
return(file.RIP != null);
}
public static bool IsHeaderStatusClosedAndComplete(this MXFFile file)
{
return(!(file.GetHeader().IsPartitionClosedAndComplete()));
}
public static IEnumerable <MXFPartition> GetBodies(this MXFFile file)
{
return(file.Partitions.Where(p => p.PartitionType == PartitionType.Body));
}
public static bool AreEssencesInHeader(this MXFFile file)
{
return(!file.GetHeader().Children.OfType <MXFEssenceElement>().Any());
}
/// <summary>
/// Initialize this test
/// </summary>
/// <param name="name"></param>
/// <param name="file"></param>
/// <param name="worker"></param>
public void Initialize(MXFFile file, BackgroundWorker worker)
{
this.File = file;
this.Worker = worker;
}