Add project files.
This commit is contained in:
Daniel Clark
@@ -0,0 +1,129 @@
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using System.Drawing;
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using System.Net.Http.Json;
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using System.Text.Json.Serialization;
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using TheXamlGuy.UI;
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namespace TheXamlGuy.Media.Capture;
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public class SonyMediaFrameReader : IRemoteMediaFrameReader
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{
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private readonly HttpClient client;
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private readonly string endpoint;
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public SonyMediaFrameReader(string endpoint)
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{
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client = new HttpClient();
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this.endpoint = endpoint;
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}
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public event TypedEventHandler<IMediaFrameReader, MediaFrameArrivedEventArgs>? FrameArrived;
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public void Dispose()
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{
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}
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public async Task StartAsync()
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{
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await PostRequestAsync<Initialize>();
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}
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public async Task StopAsync()
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{
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await Task.CompletedTask;
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}
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public async Task<MediaFrame?> TryAcquireLatestFrameAsync()
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{
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await PostRequestAsync<Initialize>();
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if (await PostRequestAsync<Capture>() is Capture result && result.Captures is not null )
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{
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if (result.Captures.FirstOrDefault() is List<string> captures)
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{
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if (captures.FirstOrDefault() is string url)
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{
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HttpResponseMessage content = await client.GetAsync(url);
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using Stream stream = content.Content.ReadAsStream();
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using Image bitmap = Image.FromStream(stream);
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return new MediaFrame((Bitmap)bitmap.Clone(), bitmap.Width, bitmap.Height);
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}
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}
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}
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return default;
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}
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private async Task<TReponse?> PostRequestAsync<TRequest, TReponse>() where TRequest : Request, new()
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{
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try
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{
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HttpResponseMessage response = await client.PostAsJsonAsync(endpoint, new TRequest());
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if (response.IsSuccessStatusCode)
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{
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return await response.Content.ReadFromJsonAsync<TReponse>();
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}
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}
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catch
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{
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}
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return default;
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}
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private async Task<TRequest?> PostRequestAsync<TRequest>() where TRequest : Request, new()
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{
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return await PostRequestAsync<TRequest, TRequest>();
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}
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private record Initialize() : Request("startRecMode", "1.0", Array.Empty<string>());
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private record Capture() : Request("actTakePicture", "1.0", Array.Empty<string>())
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{
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[JsonPropertyName("result")]
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public List<List<string>>? Captures { get; set; }
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}
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private record Request
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{
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private static int requestId;
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public Request(string method, string version = "1.0", params string[] parameters)
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{
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Method = method;
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Version = version;
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Id = GenerateId();
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Paramaters = parameters;
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}
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private static int GenerateId()
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{
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int id = Interlocked.Increment(ref requestId);
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if (requestId > 1000000000)
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{
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requestId = 0;
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}
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return id;
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}
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[JsonPropertyName("method")]
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public string? Method { get; init; }
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[JsonPropertyName("version")]
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public string? Version { get; init; }
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[JsonPropertyName("id")]
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public int? Id { get; init; }
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[JsonPropertyName("params")]
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public string[]? Paramaters { get; init; }
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public static Request CreateRequest(string method, string version = "1.0", params string[] parameters)
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{
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return new(method, version, parameters);
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}
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}
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}
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@@ -0,0 +1,141 @@
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using System.Net.Http.Json;
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using System.Text.Json.Serialization;
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using System.Xml.Serialization;
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namespace TheXamlGuy.Media.Capture;
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public class SonyMediaFrameSourceDescriptor : IRemoteMediaFrameSourceDescriptor
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{
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public SonyMediaFrameSourceDescriptor(string id, string displayName, Func<IRemoteMediaFrameReader> factory)
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{
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Id = id;
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DisplayName = displayName;
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FrameReaderFactory = factory;
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}
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public string DisplayName { get; }
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public string Id { get; }
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public Func<IRemoteMediaFrameReader> FrameReaderFactory { get; }
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public static async Task<IRemoteMediaFrameSourceDescriptor?> CreateAsync(Uri descriptionLocation)
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{
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using HttpClient httpClient = new();
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HttpResponseMessage responseMessage = await httpClient.GetAsync(descriptionLocation);
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string content = await responseMessage.Content.ReadAsStringAsync();
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XmlSerializer serializer = new(typeof(Descriptor));
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using TextReader reader = new StringReader(content);
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if ((Descriptor?)serializer.Deserialize(reader) is Descriptor result && result.Device is Device device && device.DeviceInfo is DeviceInfo deviceInfo
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&& deviceInfo.ServiceList is ServiceList serviceList && serviceList.Service is List<Service> services
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&& services.FirstOrDefault(x => x.ServiceType is string serviceType
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&& serviceType.Equals("camera", StringComparison.InvariantCultureIgnoreCase)) is Service service)
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{
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return new SonyMediaFrameSourceDescriptor(device.UDN ?? "", device.FriendlyName ?? "", () => new SonyMediaFrameReader($"{service.Action}\\{service.ServiceType}"));
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}
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return default;
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}
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private record Initialize() : Request("startRecMode", "1.0", Array.Empty<string>());
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private record Capture() : Request("actTakePicture", "1.0", Array.Empty<string>())
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{
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[JsonPropertyName("result")]
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public List<List<string>>? Captures { get; set; }
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}
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private record Request
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{
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private static int requestId;
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public Request(string method, string version = "1.0", params string[] parameters)
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{
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Method = method;
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Version = version;
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Id = GenerateId();
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Paramaters = parameters;
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}
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private static int GenerateId()
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{
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int id = Interlocked.Increment(ref requestId);
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if (requestId > 1000000000)
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{
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requestId = 0;
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}
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return id;
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}
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[JsonPropertyName("method")]
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public string? Method { get; init; }
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[JsonPropertyName("version")]
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public string? Version { get; init; }
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[JsonPropertyName("id")]
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public int? Id { get; init; }
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[JsonPropertyName("params")]
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public string[]? Paramaters { get; init; }
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public static Request CreateRequest(string method, string version = "1.0", params string[] parameters)
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{
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return new(method, version, parameters);
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}
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}
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[XmlRoot(ElementName = "root", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public class Descriptor
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{
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[XmlElement(ElementName = "device", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public Device? Device { get; set; }
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}
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[XmlRoot(ElementName = "device", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public class Device
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{
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[XmlElement(ElementName = "X_ScalarWebAPI_DeviceInfo", Namespace = "urn:schemas-sony-com:av")]
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public DeviceInfo? DeviceInfo { get; set; }
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[XmlElement(ElementName = "friendlyName", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public string? FriendlyName { get; set; }
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[XmlElement(ElementName = "manufacturer", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public string? Manufacturer { get; set; }
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[XmlElement(ElementName = "modelDescription", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public string? ModelDescription { get; set; }
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[XmlElement(ElementName = "modelName", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public string? ModelName { get; set; }
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[XmlElement(ElementName = "UDN", Namespace = "urn:schemas-upnp-org:device-1-0")]
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public string? UDN { get; set; }
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}
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[XmlRoot(ElementName = "X_ScalarWebAPI_DeviceInfo", Namespace = "urn:schemas-sony-com:av")]
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public class DeviceInfo
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{
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[XmlElement(ElementName = "X_ScalarWebAPI_ServiceList", Namespace = "urn:schemas-sony-com:av")]
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public ServiceList? ServiceList { get; set; }
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}
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[XmlRoot(ElementName = "X_ScalarWebAPI_Service", Namespace = "urn:schemas-sony-com:av")]
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public class Service
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{
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[XmlElement(ElementName = "X_ScalarWebAPI_ActionList_URL", Namespace = "urn:schemas-sony-com:av")]
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public string? Action { get; set; }
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[XmlElement(ElementName = "X_ScalarWebAPI_ServiceType", Namespace = "urn:schemas-sony-com:av")]
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public string? ServiceType { get; set; }
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}
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[XmlRoot(ElementName = "X_ScalarWebAPI_ServiceList", Namespace = "urn:schemas-sony-com:av")]
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public class ServiceList
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{
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[XmlElement(ElementName = "X_ScalarWebAPI_Service", Namespace = "urn:schemas-sony-com:av")]
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public List<Service>? Service { get; set; }
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}
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}
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