jellyfin/MediaBrowser.Dlna/PlayTo/Device.cs

1027 lines
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C#
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller.Configuration;
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using MediaBrowser.Dlna.Common;
using MediaBrowser.Dlna.Ssdp;
using MediaBrowser.Model.Logging;
using System;
using System.Collections.Generic;
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using System.Globalization;
using System.Linq;
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using System.Security;
using System.Threading;
using System.Threading.Tasks;
using System.Xml.Linq;
namespace MediaBrowser.Dlna.PlayTo
{
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public class Device : IDisposable
{
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const string ServiceAvtransportType = "urn:schemas-upnp-org:service:AVTransport:1";
const string ServiceRenderingType = "urn:schemas-upnp-org:service:RenderingControl:1";
#region Fields & Properties
private Timer _timer;
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private Timer _volumeTimer;
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public DeviceInfo Properties { get; set; }
private int _muteVol;
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public bool IsMuted { get; set; }
public int Volume { get; set; }
public TimeSpan? Duration { get; set; }
private TimeSpan _position = TimeSpan.FromSeconds(0);
public TimeSpan Position
{
get
{
return _position;
}
set
{
_position = value;
}
}
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public TRANSPORTSTATE TransportState { get; private set; }
public bool IsPlaying
{
get
{
return TransportState == TRANSPORTSTATE.PLAYING;
}
}
public bool IsPaused
{
get
{
return TransportState == TRANSPORTSTATE.PAUSED || TransportState == TRANSPORTSTATE.PAUSED_PLAYBACK;
}
}
public bool IsStopped
{
get
{
return TransportState == TRANSPORTSTATE.STOPPED;
}
}
#endregion
private readonly IHttpClient _httpClient;
private readonly ILogger _logger;
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private readonly IServerConfigurationManager _config;
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public DateTime DateLastActivity { get; private set; }
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public Device(DeviceInfo deviceProperties, IHttpClient httpClient, ILogger logger, IServerConfigurationManager config)
{
Properties = deviceProperties;
_httpClient = httpClient;
_logger = logger;
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_config = config;
}
private int GetPlaybackTimerIntervalMs()
{
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return 1000;
}
private int GetVolumeTimerIntervalMs()
{
return 5000;
}
private int GetInactiveTimerIntervalMs()
{
return 20000;
}
public void Start()
{
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_timer = new Timer(TimerCallback, null, GetPlaybackTimerIntervalMs(), GetInactiveTimerIntervalMs());
_volumeTimer = new Timer(VolumeTimerCallback, null, Timeout.Infinite, Timeout.Infinite);
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_timerActive = false;
}
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private readonly object _timerLock = new object();
private bool _timerActive;
private void RestartTimer()
{
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if (!_timerActive)
{
lock (_timerLock)
{
if (!_timerActive)
{
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_logger.Debug("RestartTimer");
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_timer.Change(10, GetPlaybackTimerIntervalMs());
_volumeTimer.Change(100, GetVolumeTimerIntervalMs());
}
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_timerActive = true;
}
}
}
/// <summary>
/// Restarts the timer in inactive mode.
/// </summary>
private void RestartTimerInactive()
{
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if (_timerActive)
{
lock (_timerLock)
{
if (_timerActive)
{
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_logger.Debug("RestartTimerInactive");
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var interval = GetInactiveTimerIntervalMs();
if (_timer != null)
{
_timer.Change(interval, interval);
}
if (_volumeTimer != null)
{
_volumeTimer.Change(Timeout.Infinite, Timeout.Infinite);
}
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}
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_timerActive = false;
}
}
}
#region Commanding
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public Task VolumeDown()
{
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var sendVolume = Math.Max(Volume - 5, 0);
return SetVolume(sendVolume);
}
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public Task VolumeUp()
{
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var sendVolume = Math.Min(Volume + 5, 100);
return SetVolume(sendVolume);
}
public Task ToggleMute()
{
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if (IsMuted)
{
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return Unmute();
}
return Mute();
}
public async Task Mute()
{
var success = await SetMute(true).ConfigureAwait(true);
if (!success)
{
await SetVolume(0).ConfigureAwait(false);
}
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}
public async Task Unmute()
{
var success = await SetMute(false).ConfigureAwait(true);
if (!success)
{
var sendVolume = _muteVol <= 0 ? 20 : _muteVol;
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await SetVolume(sendVolume).ConfigureAwait(false);
}
}
private async Task<bool> SetMute(bool mute)
{
var command = RendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "SetMute");
if (command == null)
return false;
var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceRenderingType);
if (service == null)
{
return false;
}
_logger.Debug("Setting mute");
var value = mute ? 1 : 0;
await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, RendererCommands.BuildPost(command, service.ServiceType, value))
.ConfigureAwait(false);
IsMuted = mute;
return true;
}
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/// <summary>
/// Sets volume on a scale of 0-100
/// </summary>
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public async Task SetVolume(int value)
{
var command = RendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "SetVolume");
if (command == null)
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return;
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceRenderingType);
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
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// Set it early and assume it will succeed
// Remote control will perform better
Volume = value;
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await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, RendererCommands.BuildPost(command, service.ServiceType, value))
.ConfigureAwait(false);
}
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public async Task Seek(TimeSpan value)
{
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "Seek");
if (command == null)
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return;
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceAvtransportType);
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
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await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, AvCommands.BuildPost(command, service.ServiceType, String.Format("{0:hh}:{0:mm}:{0:ss}", value), "REL_TIME"))
.ConfigureAwait(false);
}
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public async Task SetAvTransport(string url, string header, string metaData)
{
_logger.Debug("{0} - SetAvTransport Uri: {1} DlnaHeaders: {2}", Properties.Name, url, header);
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "SetAVTransportURI");
if (command == null)
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return;
var dictionary = new Dictionary<string, string>
{
{"CurrentURI", url},
{"CurrentURIMetaData", CreateDidlMeta(metaData)}
};
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceAvtransportType);
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
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var post = AvCommands.BuildPost(command, service.ServiceType, url, dictionary);
await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, post, header)
.ConfigureAwait(false);
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await Task.Delay(50).ConfigureAwait(false);
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try
{
await SetPlay().ConfigureAwait(false);
}
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catch
{
// Some devices will throw an error if you tell it to play when it's already playing
// Others won't
}
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RestartTimer();
}
private string CreateDidlMeta(string value)
{
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if (string.IsNullOrEmpty(value))
return String.Empty;
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return SecurityElement.Escape(value);
}
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public async Task SetPlay()
{
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "Play");
if (command == null)
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return;
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceAvtransportType);
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
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await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, AvCommands.BuildPost(command, service.ServiceType, 1))
.ConfigureAwait(false);
}
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public async Task SetStop()
{
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "Stop");
if (command == null)
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return;
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var service = Properties.Services.First(s => s.ServiceType == ServiceAvtransportType);
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await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, AvCommands.BuildPost(command, service.ServiceType, 1))
.ConfigureAwait(false);
}
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public async Task SetPause()
{
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "Pause");
if (command == null)
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return;
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var service = Properties.Services.First(s => s.ServiceType == ServiceAvtransportType);
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await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, AvCommands.BuildPost(command, service.ServiceType, 1))
.ConfigureAwait(false);
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TransportState = TRANSPORTSTATE.PAUSED;
}
#endregion
#region Get data
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private int _successiveStopCount;
private async void TimerCallback(object sender)
{
if (_disposed)
return;
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const int maxSuccessiveStopReturns = 5;
try
{
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var transportState = await GetTransportInfo().ConfigureAwait(false);
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DateLastActivity = DateTime.UtcNow;
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if (transportState.HasValue)
{
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// If we're not playing anything no need to get additional data
if (transportState.Value == TRANSPORTSTATE.STOPPED)
{
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UpdateMediaInfo(null, transportState.Value);
}
else
{
var tuple = await GetPositionInfo().ConfigureAwait(false);
var currentObject = tuple.Item2;
if (tuple.Item1 && currentObject == null)
{
currentObject = await GetMediaInfo().ConfigureAwait(false);
}
if (currentObject != null)
{
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UpdateMediaInfo(currentObject, transportState.Value);
}
}
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if (_disposed)
return;
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// If we're not playing anything make sure we don't get data more often than neccessry to keep the Session alive
if (transportState.Value == TRANSPORTSTATE.STOPPED)
{
_successiveStopCount++;
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if (_successiveStopCount >= maxSuccessiveStopReturns)
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{
RestartTimerInactive();
}
}
else
{
_successiveStopCount = 0;
RestartTimer();
}
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}
}
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catch (Exception ex)
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{
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_logger.ErrorException("Error updating device info for {0}", ex, Properties.Name);
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_successiveStopCount++;
if (_successiveStopCount >= maxSuccessiveStopReturns)
{
RestartTimerInactive();
}
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}
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}
private async void VolumeTimerCallback(object sender)
{
try
{
await GetVolume().ConfigureAwait(false);
await GetMute().ConfigureAwait(false);
}
catch (Exception ex)
{
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_logger.ErrorException("Error updating device volume info for {0}", ex, Properties.Name);
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}
}
private async Task GetVolume()
{
var command = RendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetVolume");
if (command == null)
return;
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceRenderingType);
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
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var result = await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, RendererCommands.BuildPost(command, service.ServiceType))
.ConfigureAwait(false);
if (result == null || result.Document == null)
return;
var volume = result.Document.Descendants(uPnpNamespaces.RenderingControl + "GetVolumeResponse").Select(i => i.Element("CurrentVolume")).FirstOrDefault(i => i != null);
var volumeValue = volume == null ? null : volume.Value;
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if (string.IsNullOrWhiteSpace(volumeValue))
return;
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Volume = int.Parse(volumeValue, UsCulture);
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if (Volume > 0)
{
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_muteVol = Volume;
}
}
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private async Task GetMute()
{
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var command = RendererCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetMute");
if (command == null)
return;
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceRenderingType);
if (service == null)
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{
throw new InvalidOperationException("Unable to find service");
}
var result = await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, RendererCommands.BuildPost(command, service.ServiceType))
.ConfigureAwait(false);
if (result == null || result.Document == null)
return;
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var valueNode = result.Document.Descendants(uPnpNamespaces.RenderingControl + "GetMuteResponse").Select(i => i.Element("CurrentMute")).FirstOrDefault(i => i != null);
var value = valueNode == null ? null : valueNode.Value;
IsMuted = string.Equals(value, "1", StringComparison.OrdinalIgnoreCase);
}
private async Task<TRANSPORTSTATE?> GetTransportInfo()
{
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetTransportInfo");
if (command == null)
return null;
var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceAvtransportType);
if (service == null)
return null;
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var result = await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, AvCommands.BuildPost(command, service.ServiceType))
.ConfigureAwait(false);
if (result == null || result.Document == null)
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return null;
var transportState =
result.Document.Descendants(uPnpNamespaces.AvTransport + "GetTransportInfoResponse").Select(i => i.Element("CurrentTransportState")).FirstOrDefault(i => i != null);
var transportStateValue = transportState == null ? null : transportState.Value;
if (transportStateValue != null)
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{
TRANSPORTSTATE state;
if (Enum.TryParse(transportStateValue, true, out state))
{
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return state;
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}
}
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return null;
}
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private async Task<uBaseObject> GetMediaInfo()
{
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetMediaInfo");
if (command == null)
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return null;
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceAvtransportType);
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
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var result = await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, RendererCommands.BuildPost(command, service.ServiceType))
.ConfigureAwait(false);
if (result == null || result.Document == null)
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return null;
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var track = result.Document.Descendants("CurrentURIMetaData").FirstOrDefault();
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if (track == null)
{
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return null;
}
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var e = track.Element(uPnpNamespaces.items) ?? track;
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return UpnpContainer.Create(e);
}
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private async Task<Tuple<bool, uBaseObject>> GetPositionInfo()
{
var command = AvCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetPositionInfo");
if (command == null)
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return new Tuple<bool, uBaseObject>(false, null);
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var service = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceAvtransportType);
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
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var result = await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, RendererCommands.BuildPost(command, service.ServiceType))
.ConfigureAwait(false);
if (result == null || result.Document == null)
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return new Tuple<bool, uBaseObject>(false, null);
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var trackUriElem = result.Document.Descendants(uPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("TrackURI")).FirstOrDefault(i => i != null);
var trackUri = trackUriElem == null ? null : trackUriElem.Value;
var durationElem = result.Document.Descendants(uPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("TrackDuration")).FirstOrDefault(i => i != null);
var duration = durationElem == null ? null : durationElem.Value;
if (!string.IsNullOrWhiteSpace(duration) &&
!string.Equals(duration, "NOT_IMPLEMENTED", StringComparison.OrdinalIgnoreCase))
{
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Duration = TimeSpan.Parse(duration, UsCulture);
}
else
{
Duration = null;
}
var positionElem = result.Document.Descendants(uPnpNamespaces.AvTransport + "GetPositionInfoResponse").Select(i => i.Element("RelTime")).FirstOrDefault(i => i != null);
var position = positionElem == null ? null : positionElem.Value;
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if (!string.IsNullOrWhiteSpace(position) && !string.Equals(position, "NOT_IMPLEMENTED", StringComparison.OrdinalIgnoreCase))
{
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Position = TimeSpan.Parse(position, UsCulture);
}
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var track = result.Document.Descendants("TrackMetaData").FirstOrDefault();
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if (track == null)
{
//If track is null, some vendors do this, use GetMediaInfo instead
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return new Tuple<bool, uBaseObject>(true, null);
}
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var trackString = (string)track;
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if (string.IsNullOrWhiteSpace(trackString) || string.Equals(trackString, "NOT_IMPLEMENTED", StringComparison.OrdinalIgnoreCase))
{
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return new Tuple<bool, uBaseObject>(false, null);
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}
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XElement uPnpResponse;
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try
{
uPnpResponse = XElement.Parse(trackString);
}
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catch (Exception ex)
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{
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_logger.ErrorException("Unable to parse xml {0}", ex, trackString);
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return new Tuple<bool, uBaseObject>(true, null);
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}
var e = uPnpResponse.Element(uPnpNamespaces.items);
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var uTrack = CreateUBaseObject(e, trackUri);
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return new Tuple<bool, uBaseObject>(true, uTrack);
}
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private static uBaseObject CreateUBaseObject(XElement container, string trackUri)
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{
if (container == null)
{
throw new ArgumentNullException("container");
}
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var url = container.GetValue(uPnpNamespaces.Res);
if (string.IsNullOrWhiteSpace(url))
{
url = trackUri;
}
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return new uBaseObject
{
Id = container.GetAttributeValue(uPnpNamespaces.Id),
ParentId = container.GetAttributeValue(uPnpNamespaces.ParentId),
Title = container.GetValue(uPnpNamespaces.title),
IconUrl = container.GetValue(uPnpNamespaces.Artwork),
SecondText = "",
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Url = url,
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ProtocolInfo = GetProtocolInfo(container),
MetaData = container.ToString()
};
}
private static string[] GetProtocolInfo(XElement container)
{
if (container == null)
{
throw new ArgumentNullException("container");
}
var resElement = container.Element(uPnpNamespaces.Res);
if (resElement != null)
{
var info = resElement.Attribute(uPnpNamespaces.ProtocolInfo);
if (info != null && !string.IsNullOrWhiteSpace(info.Value))
{
return info.Value.Split(':');
}
}
return new string[4];
}
#endregion
#region From XML
private async Task GetAVProtocolAsync()
{
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var avService = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceAvtransportType);
if (avService == null)
return;
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var url = avService.ScpdUrl;
if (!url.Contains("/"))
url = "/dmr/" + url;
if (!url.StartsWith("/"))
url = "/" + url;
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var httpClient = new SsdpHttpClient(_httpClient, _config);
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var document = await httpClient.GetDataAsync(Properties.BaseUrl + url);
AvCommands = TransportCommands.Create(document);
}
private async Task GetRenderingProtocolAsync()
{
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var avService = Properties.Services.FirstOrDefault(s => s.ServiceType == ServiceRenderingType);
if (avService == null)
return;
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string url = avService.ScpdUrl;
if (!url.Contains("/"))
url = "/dmr/" + url;
if (!url.StartsWith("/"))
url = "/" + url;
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var httpClient = new SsdpHttpClient(_httpClient, _config);
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var document = await httpClient.GetDataAsync(Properties.BaseUrl + url);
RendererCommands = TransportCommands.Create(document);
}
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private TransportCommands AvCommands
{
get;
set;
}
internal TransportCommands RendererCommands
{
get;
set;
}
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public static async Task<Device> CreateuPnpDeviceAsync(Uri url, IHttpClient httpClient, IServerConfigurationManager config, ILogger logger)
{
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var ssdpHttpClient = new SsdpHttpClient(httpClient, config);
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var document = await ssdpHttpClient.GetDataAsync(url.ToString()).ConfigureAwait(false);
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var deviceProperties = new DeviceInfo();
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var friendlyNames = new List<string>();
var name = document.Descendants(uPnpNamespaces.ud.GetName("friendlyName")).FirstOrDefault();
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if (name != null && !string.IsNullOrWhiteSpace(name.Value))
friendlyNames.Add(name.Value);
var room = document.Descendants(uPnpNamespaces.ud.GetName("roomName")).FirstOrDefault();
if (room != null && !string.IsNullOrWhiteSpace(room.Value))
friendlyNames.Add(room.Value);
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deviceProperties.Name = string.Join(" ", friendlyNames.ToArray());
var model = document.Descendants(uPnpNamespaces.ud.GetName("modelName")).FirstOrDefault();
if (model != null)
deviceProperties.ModelName = model.Value;
var modelNumber = document.Descendants(uPnpNamespaces.ud.GetName("modelNumber")).FirstOrDefault();
if (modelNumber != null)
deviceProperties.ModelNumber = modelNumber.Value;
var uuid = document.Descendants(uPnpNamespaces.ud.GetName("UDN")).FirstOrDefault();
if (uuid != null)
deviceProperties.UUID = uuid.Value;
var manufacturer = document.Descendants(uPnpNamespaces.ud.GetName("manufacturer")).FirstOrDefault();
if (manufacturer != null)
deviceProperties.Manufacturer = manufacturer.Value;
var manufacturerUrl = document.Descendants(uPnpNamespaces.ud.GetName("manufacturerURL")).FirstOrDefault();
if (manufacturerUrl != null)
deviceProperties.ManufacturerUrl = manufacturerUrl.Value;
var presentationUrl = document.Descendants(uPnpNamespaces.ud.GetName("presentationURL")).FirstOrDefault();
if (presentationUrl != null)
deviceProperties.PresentationUrl = presentationUrl.Value;
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var modelUrl = document.Descendants(uPnpNamespaces.ud.GetName("modelURL")).FirstOrDefault();
if (modelUrl != null)
deviceProperties.ModelUrl = modelUrl.Value;
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var serialNumber = document.Descendants(uPnpNamespaces.ud.GetName("serialNumber")).FirstOrDefault();
if (serialNumber != null)
deviceProperties.SerialNumber = serialNumber.Value;
var modelDescription = document.Descendants(uPnpNamespaces.ud.GetName("modelDescription")).FirstOrDefault();
if (modelDescription != null)
deviceProperties.ModelDescription = modelDescription.Value;
deviceProperties.BaseUrl = String.Format("http://{0}:{1}", url.Host, url.Port);
var icon = document.Descendants(uPnpNamespaces.ud.GetName("icon")).FirstOrDefault();
if (icon != null)
{
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deviceProperties.Icon = CreateIcon(icon);
}
var isRenderer = false;
foreach (var services in document.Descendants(uPnpNamespaces.ud.GetName("serviceList")))
{
if (services == null)
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continue;
var servicesList = services.Descendants(uPnpNamespaces.ud.GetName("service"));
if (servicesList == null)
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continue;
foreach (var element in servicesList)
{
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var service = Create(element);
if (service != null)
{
deviceProperties.Services.Add(service);
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if (service.ServiceType == ServiceAvtransportType)
{
isRenderer = true;
}
}
}
}
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var device = new Device(deviceProperties, httpClient, logger, config);
if (isRenderer)
{
await device.GetRenderingProtocolAsync().ConfigureAwait(false);
await device.GetAVProtocolAsync().ConfigureAwait(false);
}
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return device;
}
#endregion
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private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
private static DeviceIcon CreateIcon(XElement element)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
var mimeType = element.GetDescendantValue(uPnpNamespaces.ud.GetName("mimetype"));
var width = element.GetDescendantValue(uPnpNamespaces.ud.GetName("width"));
var height = element.GetDescendantValue(uPnpNamespaces.ud.GetName("height"));
var depth = element.GetDescendantValue(uPnpNamespaces.ud.GetName("depth"));
var url = element.GetDescendantValue(uPnpNamespaces.ud.GetName("url"));
var widthValue = int.Parse(width, NumberStyles.Any, UsCulture);
var heightValue = int.Parse(height, NumberStyles.Any, UsCulture);
return new DeviceIcon
{
Depth = depth,
Height = heightValue,
MimeType = mimeType,
Url = url,
Width = widthValue
};
}
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private static DeviceService Create(XElement element)
{
var type = element.GetDescendantValue(uPnpNamespaces.ud.GetName("serviceType"));
var id = element.GetDescendantValue(uPnpNamespaces.ud.GetName("serviceId"));
var scpdUrl = element.GetDescendantValue(uPnpNamespaces.ud.GetName("SCPDURL"));
var controlURL = element.GetDescendantValue(uPnpNamespaces.ud.GetName("controlURL"));
var eventSubURL = element.GetDescendantValue(uPnpNamespaces.ud.GetName("eventSubURL"));
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return new DeviceService
{
ControlUrl = controlURL,
EventSubUrl = eventSubURL,
ScpdUrl = scpdUrl,
ServiceId = id,
ServiceType = type
};
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}
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public event EventHandler<PlaybackStartEventArgs> PlaybackStart;
public event EventHandler<PlaybackProgressEventArgs> PlaybackProgress;
public event EventHandler<PlaybackStoppedEventArgs> PlaybackStopped;
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public event EventHandler<MediaChangedEventArgs> MediaChanged;
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public uBaseObject CurrentMediaInfo { get; private set; }
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private void UpdateMediaInfo(uBaseObject mediaInfo, TRANSPORTSTATE state)
{
TransportState = state;
var previousMediaInfo = CurrentMediaInfo;
CurrentMediaInfo = mediaInfo;
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if (previousMediaInfo == null && mediaInfo != null)
{
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if (state != TRANSPORTSTATE.STOPPED)
{
OnPlaybackStart(mediaInfo);
}
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}
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else if (mediaInfo != null && previousMediaInfo != null && !mediaInfo.Equals(previousMediaInfo))
{
OnMediaChanged(previousMediaInfo, mediaInfo);
}
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else if (mediaInfo == null && previousMediaInfo != null)
{
OnPlaybackStop(previousMediaInfo);
}
else if (mediaInfo != null && mediaInfo.Equals(previousMediaInfo))
{
OnPlaybackProgress(mediaInfo);
}
}
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private void OnPlaybackStart(uBaseObject mediaInfo)
{
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if (PlaybackStart != null)
{
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PlaybackStart.Invoke(this, new PlaybackStartEventArgs
{
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MediaInfo = mediaInfo
});
}
}
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private void OnPlaybackProgress(uBaseObject mediaInfo)
{
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if (PlaybackProgress != null)
{
PlaybackProgress.Invoke(this, new PlaybackProgressEventArgs
{
MediaInfo = mediaInfo
});
}
}
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private void OnPlaybackStop(uBaseObject mediaInfo)
{
if (PlaybackStopped != null)
{
PlaybackStopped.Invoke(this, new PlaybackStoppedEventArgs
{
MediaInfo = mediaInfo
});
}
}
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private void OnMediaChanged(uBaseObject old, uBaseObject newMedia)
{
if (MediaChanged != null)
{
MediaChanged.Invoke(this, new MediaChangedEventArgs
{
OldMediaInfo = old,
NewMediaInfo = newMedia
});
}
}
#region IDisposable
bool _disposed;
public void Dispose()
{
if (!_disposed)
{
_disposed = true;
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DisposeTimer();
DisposeVolumeTimer();
}
}
private void DisposeTimer()
{
if (_timer != null)
{
_timer.Dispose();
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_timer = null;
}
}
private void DisposeVolumeTimer()
{
if (_volumeTimer != null)
{
_volumeTimer.Dispose();
_volumeTimer = null;
}
}
#endregion
public override string ToString()
{
return String.Format("{0} - {1}", Properties.Name, Properties.BaseUrl);
}
}
}