public static void Dispose(AvisynthFilter filter)
{
var props = GetAnnotatedProperties(filter.GetType()).Select(p => p.Item1)
.Where(p => p.PropertyType == typeof(Clip) || p.PropertyType == typeof(Clip[]))
.Select(p =>
{
var val = p.GetGetMethod(true).Invoke(filter, null);
p.GetSetMethod(true).Invoke(filter, new object[] { null });
return(val);
}).ToArray();
props
.OfType <Clip>().ToList()
.ForEach(p => p?.Dispose());
props
.OfType <Clip[]>().SelectMany(p => p).ToList()
.ForEach(p => p?.Dispose());
}
public static void Dispose(AvisynthFilter filter)
{
GetAnnotatedProperties(filter.GetType()).Select(p => p.Item1).Where(p => p.PropertyType == typeof(Clip))
.Select(p => p.GetGetMethod(true).Invoke(filter, null)).OfType <Clip>().ToList()
.ForEach(p => p.Dispose());
}
public static void InitArgs(AvisynthFilter filter, AVSValue args)
{
var annotatedProperties = GetAnnotatedProperties(filter.GetType());
if (annotatedProperties.Length != args.ArraySize() && annotatedProperties.Length != args.ArraySize() - 1)
{
throw new AvisynthException("Instance attributes count not match to declared");
}
var zeroBased = annotatedProperties.Length == args.ArraySize();
var annotatedPropertiesWithArguments = annotatedProperties.Select((p, i) => new
{
Argument = args[zeroBased ? i : ++i],
Property = p.Item1,
Attribute = p.Item2
});
var filterName = filter.GetType().Assembly
.GetCustomAttributes(typeof(AvisynthFilterClassAttribute), true)
.OfType <AvisynthFilterClassAttribute>()
.FirstOrDefault(p => p.FilterType == filter.GetType())
?.FilterName ?? filter.GetType().Name;
foreach (var tuple in annotatedPropertiesWithArguments)
{
var propertyName = $"{filterName}.{tuple.Property.Name}";
var isDefined = tuple.Argument.Defined();
if (tuple.Attribute.Required && !isDefined)
{
throw new AvisynthException($"{propertyName} is required but not defined");
}
if (!isDefined)
{
continue;
}
var value = tuple.Argument.AsObject();
if (!tuple.Attribute.Min.Equals(double.MinValue) && Convert.ToDouble(value) < tuple.Attribute.Min)
{
throw new AvisynthException($"{propertyName} is equal to {value} but must be greater or equal to {tuple.Attribute.Min}");
}
if (!tuple.Attribute.Max.Equals(double.MaxValue) && Convert.ToDouble(value) > tuple.Attribute.Max)
{
throw new AvisynthException($"{propertyName} is equal to {value} but must be less or equal to {tuple.Attribute.Max}");
}
if (tuple.Property.PropertyType.IsEnum && value is string)
{
tuple.Attribute.Values = Enum.GetNames(tuple.Property.PropertyType);
}
if (tuple.Property.PropertyType.IsEnum && value is int)
{
tuple.Attribute.Values = Enum.GetValues(tuple.Property.PropertyType).Cast <object>().Select(p => Convert.ToInt32(p).ToString()).ToArray();
}
if (tuple.Attribute.Values.Any() && tuple.Attribute.Values.Select(p => p.ToLower()).All(p => !p.Equals(value.ToString())))
{
throw new AvisynthException($"{propertyName} is equal to '{value}' but allowed values are [{string.Join(", ", tuple.Attribute.Values)}]");
}
if (tuple.Property.PropertyType.IsEnum && value is string)
{
value = Enum.Parse(tuple.Property.PropertyType, value.ToString(), true);
}
if (tuple.Property.PropertyType.IsEnum && value is int)
{
value = Enum.ToObject(tuple.Property.PropertyType, value);
}
tuple.Property.GetSetMethod(true).Invoke(filter, new[] { value });
}
}
public static void InitArgs(AvisynthFilter filter, AVSValue args)
{
var annotatedProperties = GetAnnotatedProperties(filter.GetType());
if (annotatedProperties.Length != args.ArraySize() && annotatedProperties.Length != args.ArraySize() - 1)
{
throw new AvisynthException("Instance attributes count not match to declared");
}
var zeroBased = annotatedProperties.Length == args.ArraySize();
var annotatedPropertiesWithArguments = annotatedProperties.Select((p, i) => new
{
Argument = args[zeroBased ? i : ++i],
Property = p.Item1,
Attribute = p.Item2
});
var filterName = filter.GetType().Assembly
.GetCustomAttributes(typeof(AvisynthFilterClassAttribute), true)
.OfType <AvisynthFilterClassAttribute>()
.FirstOrDefault(p => p.FilterType == filter.GetType())
?.FilterName ?? filter.GetType().Name;
foreach (var tuple in annotatedPropertiesWithArguments)
{
var propertyName = $"{filterName}.{tuple.Property.Name}";
var isDefined = tuple.Argument.Defined();
if (tuple.Attribute.Required && !isDefined)
{
throw new AvisynthException($"{propertyName} is required but not defined");
}
if (!isDefined)
{
continue;
}
var value = tuple.Argument.AsObject();
Func <int, Rectangle> readRect = i =>
{
using var frame = ((Clip)value).GetFrame(i, DynamicEnvironment.Env);
var rect = Rect.FromFrame(frame);
return(Rectangle.FromLTRB(rect.Left, rect.Top, rect.Right, rect.Bottom));
};
if (tuple.Property.PropertyType == typeof(Rectangle))
{
tuple.Property.GetSetMethod(true).Invoke(filter, new object[] { readRect(0) });
continue;
}
if (typeof(ICollection <Rectangle>).IsAssignableFrom(tuple.Property.PropertyType))
{
var col = (ICollection <Rectangle>)Activator.CreateInstance(tuple.Property.PropertyType);
var clip = value as Clip;
var numFrames = clip.GetVideoInfo().num_frames;
if (numFrames > tuple.Attribute.Max)
{
throw new AvisynthException($"{propertyName} contains {value} values but limit is {tuple.Attribute.Max}");
}
for (var i = 0; i < numFrames; i++)
{
col.Add(readRect(i));
}
tuple.Property.GetSetMethod(true).Invoke(filter, new object[] { col });
continue;
}
if (!tuple.Attribute.Min.Equals(double.MinValue) && Convert.ToDouble(value) < tuple.Attribute.Min)
{
throw new AvisynthException($"{propertyName} is equal to {value} but must be greater or equal to {tuple.Attribute.Min}");
}
if (!tuple.Attribute.Max.Equals(double.MaxValue) && Convert.ToDouble(value) > tuple.Attribute.Max)
{
throw new AvisynthException($"{propertyName} is equal to {value} but must be less or equal to {tuple.Attribute.Max}");
}
if (tuple.Property.PropertyType.IsEnum && value is string)
{
tuple.Attribute.Values = Enum.GetNames(tuple.Property.PropertyType);
}
if (tuple.Property.PropertyType.IsEnum && value is int)
{
tuple.Attribute.Values = Enum.GetValues(tuple.Property.PropertyType).Cast <object>().Select(p => Convert.ToInt32(p).ToString()).ToArray();
}
if (tuple.Attribute.Values.Any() && tuple.Attribute.Values.Select(p => p.ToLower()).All(p => !p.Equals(value.ToString())))
{
throw new AvisynthException($"{propertyName} is equal to '{value}' but allowed values are [{string.Join(", ", tuple.Attribute.Values)}]");
}
if (tuple.Property.PropertyType.IsEnum && value is string)
{
value = Enum.Parse(tuple.Property.PropertyType, value.ToString(), true);
}
if (tuple.Property.PropertyType.IsEnum && value is int)
{
value = Enum.ToObject(tuple.Property.PropertyType, value);
}
tuple.Property.GetSetMethod(true).Invoke(filter, new[] { value });
}
}
