private void WriteFiltergraph(FFmpegCommand command, Filtergraph filtergraph)
{
if (filtergraph == null)
{
throw new ArgumentNullException("filtergraph");
}
var shouldIncludeDelimitor = false;
filtergraph.FilterchainList.ForEach(filterchain =>
{
if (shouldIncludeDelimitor)
{
BuilderBase.Append(";");
}
else
{
BuilderBase.Append(" -filter_complex \"");
shouldIncludeDelimitor = true;
}
WriteFilterchain(command, filterchain);
});
if (shouldIncludeDelimitor)
{
BuilderBase.Append("\"");
}
}
public static Filtergraph FilterTo <TStreamType>(this Filtergraph filtergraph, int count, params IFilter[] filters)
where TStreamType : class, IStream, new()
{
var filterchain = Filterchain.FilterTo <TStreamType>(count, filters);
return(filtergraph.Add(filterchain));
}
public void Filtergraph_FilterTo()
{
var filtergraph = Filtergraph.Create(CommandHelper.CreateCommand());
filtergraph.FilterTo <VideoStream>();
Assert.True(filtergraph.Count == 1);
filtergraph.FilterTo <AudioStream>();
Assert.True(filtergraph.Count == 2);
}
public void Filtergraph_RemoveAll()
{
var filtergraph = Filtergraph.Create(CommandHelper.CreateCommand());
filtergraph.FilterTo <VideoStream>();
filtergraph.FilterTo <VideoStream>();
Assert.True(filtergraph.Count == 2);
filtergraph.RemoveAll(f => true);
Assert.True(filtergraph.Count == 0);
}
public void Filtergraph_Add()
{
var filtergraph = Filtergraph.Create(CommandHelper.CreateCommand());
var filterchain1 = Filterchain.FilterTo <AudioStream>();
var filterchain2 = Filterchain.FilterTo <VideoStream>();
filtergraph.Add(filterchain1);
Assert.True(filtergraph.Count == 1);
filtergraph.Add(filterchain2);
Assert.True(filtergraph.Count == 2);
}
public static Filtergraph FilterTo <TStreamType>(this Filtergraph filtergraph, params IFilter[] filters)
where TStreamType : class, IStream, new()
{
return(filtergraph.FilterTo <TStreamType>(1, filters));
}
private CommandObjects(FFmpegCommand owner)
{
Outputs = new List <CommandOutput>();
Inputs = new List <CommandInput>();
Filtergraph = Filtergraph.Create(owner);
}
public void Filtergraph_EmptyToString_ThrowsException()
{
var filtergraph = Filtergraph.Create(CommandHelper.CreateCommand());
Assert.Throws <InvalidOperationException>(() => filtergraph.ToString());
}
