105 lines
4.5 KiB
Plaintext
105 lines
4.5 KiB
Plaintext
using DTS.Common.Enums.Hardware;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel.DataAnnotations;
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using System.IO;
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using System.Linq;
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using System.Xml;
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using System.Xml.Serialization;
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namespace DTS.Common.Classes.DSP
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{
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public class StreamingFilterProfileCollection : Collection<StreamingFilterProfile>
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{
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private static readonly object MyLock = new object();
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private static StreamingFilterProfileCollection _instance = null;
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public static StreamingFilterProfileCollection GetCollection()
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{
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lock (MyLock)
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{
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if (null != _instance) { return _instance; }
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WriteDefaultFileIfMissing(FILTER_PROFILES_XML_FILE);
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_instance = ReadFile(FILTER_PROFILES_XML_FILE);
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}
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return _instance;
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}
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private const string FILTER_PROFILES_XML_FILE = "StreamingFilterProfiles.xml";
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private StreamingFilterProfileCollection(StreamingFilterProfile[] filters)
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{
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foreach (var filter in filters) { Add(filter); }
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}
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public StreamingFilterProfileCollection() { }
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public enum DefaultProfiles
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{
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[Display(Name ="Default (Mixed)", Description = "6 pole butterworth legacy or default", Order = DEFAULT_VALUE)]
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[Scaler(double.NaN)]
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Default = DEFAULT_VALUE,
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[Display(Name ="Sample rate / 4", Description = "based on sample rate")]
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[Scaler(4)]
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Profile7 = 7,
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[Display(Name = "Sample rate / 6.4", Description = "based on sample rate")]
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[Scaler(6.4)]
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Profile8 = 8,
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[Display(Name = "Sample rate / 8", Description = "based on sample rate")]
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[Scaler(8)]
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Profile9 = 9,
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[Display(Name = "Sample rate / 10", Description = "based on sample rate")]
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[Scaler(10)]
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Profile10 = 10
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}
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private static StreamingFilterProfileCollection CreateDefaultCollection()
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{
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var list = new List<StreamingFilterProfile>
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{
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new StreamingFilterProfile(DefaultProfiles.Default, new[] { new DASRestriction(string.Empty, -1) }),
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new StreamingFilterProfile(DefaultProfiles.Profile7, new[] { new DASRestriction(HardwareTypes.SLICE6_AIR_BR.ToString(), 50), new DASRestriction("SLICE6_AIR", 51) }),
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new StreamingFilterProfile(DefaultProfiles.Profile8, new[] { new DASRestriction(HardwareTypes.SLICE6_AIR_BR.ToString(), 50), new DASRestriction("SLICE6_AIR", 51) }),
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new StreamingFilterProfile(DefaultProfiles.Profile9, new[] { new DASRestriction(HardwareTypes.SLICE6_AIR_BR.ToString(), 50), new DASRestriction("SLICE6_AIR", 51) }),
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new StreamingFilterProfile(DefaultProfiles.Profile10, new[] { new DASRestriction(HardwareTypes.SLICE6_AIR_BR.ToString(), 50), new DASRestriction("SLICE6_AIR", 51) })
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};
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var collection = new StreamingFilterProfileCollection(list.ToArray());
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return collection;
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}
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private static void WriteDefaultFileIfMissing(string filePath)
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{
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if (File.Exists(filePath)) { return; }
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var collection = CreateDefaultCollection();
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var serializer = new XmlSerializer(typeof(StreamingFilterProfileCollection));
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var settings = new XmlWriterSettings() { Indent = true };
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using (var writer = XmlWriter.Create(filePath, settings))
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{
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serializer.Serialize(writer, collection);
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}
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}
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private static StreamingFilterProfileCollection ReadFile(string filePath)
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{
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var deserializer = new XmlSerializer(typeof(StreamingFilterProfileCollection));
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using (var fs = new FileStream(filePath, FileMode.Open))
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{
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var cs = (StreamingFilterProfileCollection)deserializer.Deserialize(fs);
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return cs;
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}
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}
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public const int DEFAULT_VALUE = 13;
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public StreamingFilterProfile GetStreamingFilterProfile(string s)
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{
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var match = Items.FirstOrDefault(x => x.DisplayString == s);
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if (null != match) { return match; }
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match = Items.FirstOrDefault(x => x.EnumValue == DEFAULT_VALUE);
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if (null != match) { return match; }
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return Items[0];
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}
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}
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}
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