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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="IsolatedEncodeService.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Isolated Scan Service
// This is an implementation of the IEncode implementation that runs scans on a seperate process
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrake.ApplicationServices.Isolation
{
using System;
using System.Threading;
using HandBrake.ApplicationServices.EventArgs;
using HandBrake.ApplicationServices.Exceptions;
using HandBrake.ApplicationServices.Model;
using HandBrake.ApplicationServices.Services.Interfaces;
/// <summary>
/// Isolated Scan Service.
/// This is an implementation of the IEncode implementation that runs scans on a seperate process
/// </summary>
public class IsolatedEncodeService : BackgroundServiceConnector, IEncode
{
#region Constructors and Destructors
/// <summary>
/// Initializes a new instance of the <see cref="IsolatedEncodeService"/> class.
/// </summary>
/// <param name="port">
/// The port.
/// </param>
public IsolatedEncodeService(string port)
{
try
{
if (this.CanConnect())
{
this.Connect(port);
}
}
catch (Exception exception)
{
throw new GeneralApplicationException("Unable to connect to scan worker process.", "Try restarting HandBrake", exception);
}
}
#endregion
#region Events
/// <summary>
/// The encode completed.
/// </summary>
public event EncodeCompletedStatus EncodeCompleted;
/// <summary>
/// The encode started.
/// </summary>
public event EventHandler EncodeStarted;
/// <summary>
/// The encode status changed.
/// </summary>
public event EncodeProgessStatus EncodeStatusChanged;
#endregion
#region Properties
/// <summary>
/// Gets ActivityLog.
/// </summary>
public string ActivityLog
{
get
{
return this.IsConnected ? this.Service.EncodeActivityLog : "Unable to connect to background worker service ...";
}
}
/// <summary>
/// Gets a value indicating whether IsEncoding.
/// </summary>
public bool IsEncoding
{
get
{
return this.IsConnected && this.Service.IsEncoding;
}
}
#endregion
#region Public Methods
/// <summary>
/// The encode completed callback.
/// </summary>
/// <param name="eventArgs">
/// The event args.
/// </param>
public override void EncodeCompletedCallback(EncodeCompletedEventArgs eventArgs)
{
if (this.EncodeCompleted != null)
{
ThreadPool.QueueUserWorkItem(delegate { this.EncodeCompleted(this, eventArgs); });
}
base.EncodeCompletedCallback(eventArgs);
}
/// <summary>
/// The encode progress callback.
/// </summary>
/// <param name="eventArgs">
/// The event args.
/// </param>
public override void EncodeProgressCallback(EncodeProgressEventArgs eventArgs)
{
if (this.EncodeStatusChanged != null)
{
ThreadPool.QueueUserWorkItem(delegate { this.EncodeStatusChanged(this, eventArgs); });
}
base.EncodeProgressCallback(eventArgs);
}
#endregion
#region Implemented Interfaces
#region IEncode
/// <summary>
/// Copy the log file to the desired destinations
/// </summary>
/// <param name="destination">
/// The destination.
/// </param>
public void ProcessLogs(string destination)
{
ThreadPool.QueueUserWorkItem(delegate { this.Service.ProcessEncodeLogs(destination); });
}
/// <summary>
/// Attempt to Safely kill a DirectRun() CLI
/// NOTE: This will not work with a MinGW CLI
/// Note: http://www.cygwin.com/ml/cygwin/2006-03/msg00330.html
/// </summary>
public void SafelyStop()
{
ThreadPool.QueueUserWorkItem(delegate { this.Service.StopEncode(); });
}
/// <summary>
/// Start with a LibHb EncodeJob Object
/// </summary>
/// <param name="job">
/// The job.
/// </param>
/// <param name="enableLogging">
/// The enable Logging.
/// </param>
public void Start(QueueTask job, bool enableLogging)
{
ThreadPool.QueueUserWorkItem(
delegate { this.Service.StartEncode(job, enableLogging); });
}
/// <summary>
/// Kill the CLI process
/// </summary>
public void Stop()
{
ThreadPool.QueueUserWorkItem(delegate { this.Service.StopEncode(); });
}
#endregion
#endregion
}
}
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