public static MetadataInfoTreeContainer GetMetadataInfo(FFmpegCommand command, StreamIdentifier streamId)
{
//first validate that the streamId does in fact belong to the command.
if (!CommandHelperUtility.ReceiptBelongsToCommand(command, streamId))
{
throw new ArgumentException("The provided streamId is not part of the provided ffmpeg command.",
"streamId");
}
var resourceIndex = CommandHelperUtility.IndexOfResource(command, streamId);
if (resourceIndex > -1)
{
return ResourceMetadataInfo(command, resourceIndex);
}
var filterchainIndex = CommandHelperUtility.IndexOfFilterchain(command, streamId);
if (filterchainIndex > -1)
{
return FilterchainMetadataInfo(command, filterchainIndex);
}
var outputIndex = CommandHelperUtility.IndexOfOutput(command, streamId);
if (outputIndex > -1)
{
return OutputMetadataInfo(command, outputIndex);
}
return null;
}
public static IStream StreamFromStreamIdentifier(FFmpegCommand command, StreamIdentifier streamId)
{
var commandInput = CommandInputFromStreamIdentifier(command, streamId);
if (commandInput != null)
{
return(commandInput.Resource.Streams.FirstOrDefault(si => si.Map == streamId.Map));
}
var commandOutput = CommandOutputFromStreamIdentifier(command, streamId);
if (commandOutput != null)
{
return(commandOutput.Resource.Streams.FirstOrDefault(si => si.Map == streamId.Map));
}
var filterchain = FilterchainFromStreamIdentifier(command, streamId);
if (filterchain != null)
{
var filterchainOutput = filterchain.OutputList.First(si => si.Stream.Map == streamId.Map);
return(filterchainOutput.Stream);
}
throw new StreamNotFoundException();
}
public static int IndexOfOutput(FFmpegCommand command, StreamIdentifier streamId)
{
var matchingOutput = CommandOutputFromStreamIdentifier(command, streamId);
if (matchingOutput == null)
{
return(-1);
}
return(command.Outputs.IndexOf(matchingOutput));
}
public static int IndexOfResource(FFmpegCommand command, StreamIdentifier streamId)
{
var matchingResource = CommandInputFromStreamIdentifier(command, streamId);
if (matchingResource == null)
{
return(-1);
}
return(command.Inputs.IndexOf(matchingResource));
}
public static int IndexOfFilterchain(FFmpegCommand command, StreamIdentifier streamId)
{
var matchingFilterchain = FilterchainFromStreamIdentifier(command, streamId);
if (matchingFilterchain == null)
{
return(-1);
}
return(command.Filtergraph.IndexOf(matchingFilterchain));
}
public StreamIdentifier GetStreamIdentifier <TStreamType>()
where TStreamType : class, IStream
{
var streamInReference = Resource.Streams.OfType <TStreamType>().FirstOrDefault();
if (streamInReference == null)
{
throw new StreamNotFoundException(typeof(TStreamType));
}
return(StreamIdentifier.Create(Owner.Owner.Id, Owner.Id, streamInReference.Map));
}
public bool ContainsStream(StreamIdentifier streamId)
{
return Filtergraph.FilterchainList.Any(f => f.GetStreamIdentifiers().Any(r => r.Equals(streamId)));
}
public bool ContainsInput(StreamIdentifier streamId)
{
return Inputs.Any(input => input.GetStreamIdentifiers().Any(s => s.Equals(streamId)));
}
public bool ContainsStream(StreamIdentifier streamId)
{
return(Filtergraph.FilterchainList.Any(f => f.GetStreamIdentifiers().Any(r => r.Equals(streamId))));
}
public bool ContainsInput(StreamIdentifier streamId)
{
return(Inputs.Any(input => input.GetStreamIdentifiers().Any(s => s.Equals(streamId))));
}
public Map(StreamIdentifier streamId)
{
Stream = streamId.Map;
}
public static Filterchain FilterchainFromStreamIdentifier(FFmpegCommand command, StreamIdentifier streamId)
{
if (streamId == null)
{
throw new ArgumentNullException("streamId");
}
return(command.Objects.Filtergraph.FilterchainList.FirstOrDefault(f => f.GetStreamIdentifiers().Any(r => r.Equals(streamId))));
}
public static CommandOutput CommandOutputFromStreamIdentifier(FFmpegCommand command, StreamIdentifier streamId)
{
if (streamId == null)
{
throw new ArgumentNullException("streamId");
}
return(command.Objects.Outputs.FirstOrDefault(i => i.GetStreamIdentifiers().Any(si => si.Map == streamId.Map)));
}
public static bool ReceiptBelongsToCommand(FFmpegCommand command, StreamIdentifier streamId)
{
return(command.Owner.Id == streamId.FactoryId &&
command.Id == streamId.CommandId);
}
public bool Equals(StreamIdentifier streamId)
{
return(Map == streamId.Map &&
CommandId == streamId.CommandId &&
FactoryId == streamId.FactoryId);
}
public List <StreamIdentifier> GetStreamIdentifiers()
{
return(Resource.Streams
.Select(s => StreamIdentifier.Create(Owner.Owner.Id, Owner.Id, s.Map))
.ToList());
}
public Map(StreamIdentifier streamId)
: base(SettingType)
{
Stream = streamId.Map;
}
