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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="EncodeServiceWrapper.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>
// We have multiple implementations of IEncode. This is a wrapper class for the GUI so that the
// implementation used is controllable via user settings.
// Over time, this class will go away when the LibHB and process isolation code matures.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Services
{
using System;
using HandBrake.ApplicationServices.Exceptions;
using HandBrake.ApplicationServices.Isolation;
using HandBrake.ApplicationServices.Model;
using HandBrake.ApplicationServices.Services;
using HandBrake.ApplicationServices.Services.Interfaces;
using HandBrake.Interop;
using EncodeCompletedEventArgs = HandBrake.ApplicationServices.EventArgs.EncodeCompletedEventArgs;
using EncodeProgressEventArgs = HandBrake.ApplicationServices.EventArgs.EncodeProgressEventArgs;
/// <summary>
/// We have multiple implementations of Iencode. This is a wrapper class for the GUI so that the
/// implementation used is controllable via user settings.
/// Over time, this class will go away when the LibHB and process isolation code matures.
/// </summary>
public class EncodeServiceWrapper : IEncodeServiceWrapper
{
#region Constants and Fields
/// <summary>
/// The encode service.
/// </summary>
private readonly IEncode encodeService;
#endregion
#region Constructors and Destructors
/// <summary>
/// Initializes a new instance of the <see cref="EncodeServiceWrapper"/> class.
/// </summary>
/// <param name="userSettingService">
/// The user setting service.
/// </param>
public EncodeServiceWrapper(IUserSettingService userSettingService)
{
var useLibHb = userSettingService.GetUserSetting<bool>(UserSettingConstants.EnableLibHb);
var useProcessIsolation =
userSettingService.GetUserSetting<bool>(UserSettingConstants.EnableProcessIsolation);
var port = userSettingService.GetUserSetting<string>(UserSettingConstants.ServerPort);
if (useLibHb)
{
try
{
if (useProcessIsolation)
{
this.encodeService = new IsolatedEncodeService(port);
}
else
{
if (ScanServiceWrapper.HandbrakeInstance == null)
{
ScanServiceWrapper.HandbrakeInstance = new HandBrakeInstance();
}
this.encodeService = new LibEncode(userSettingService, ScanServiceWrapper.HandbrakeInstance);
}
}
catch (Exception exc)
{
// Try to recover from errors.
userSettingService.SetUserSetting(UserSettingConstants.EnableLibHb, false);
throw new GeneralApplicationException(
"Unable to initialise LibHB or Background worker service",
"Falling back to using HandBrakeCLI.exe. Setting has been reset",
exc);
}
}
else
{
this.encodeService = new Encode(userSettingService);
}
this.encodeService.EncodeCompleted += this.EncodeServiceEncodeCompleted;
this.encodeService.EncodeStarted += this.EncodeServiceEncodeStarted;
this.encodeService.EncodeStatusChanged += this.EncodeServiceEncodeStatusChanged;
}
#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.encodeService.ActivityLog;
}
}
/// <summary>
/// Gets a value indicating whether IsEncoding.
/// </summary>
public bool IsEncoding
{
get
{
return this.encodeService.IsEncoding;
}
}
#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)
{
this.encodeService.ProcessLogs(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()
{
this.encodeService.SafelyStop();
}
/// <summary>
/// Shutdown the service.
/// </summary>
public void Shutdown()
{
this.encodeService.Shutdown();
this.encodeService.EncodeCompleted -= this.EncodeServiceEncodeCompleted;
this.encodeService.EncodeStarted -= this.EncodeServiceEncodeStarted;
this.encodeService.EncodeStatusChanged -= this.EncodeServiceEncodeStatusChanged;
}
/// <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)
{
this.encodeService.Start(job, enableLogging);
}
/// <summary>
/// Kill the CLI process
/// </summary>
public void Stop()
{
this.encodeService.Stop();
}
#endregion
#endregion
#region Methods
/// <summary>
/// The encode service_ encode completed.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The EncodeCompletedEventArgs.
/// </param>
private void EncodeServiceEncodeCompleted(object sender, EncodeCompletedEventArgs e)
{
if (EncodeCompleted != null)
{
this.EncodeCompleted(sender, e);
}
}
/// <summary>
/// The encode service_ encode started.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The EventArgs
/// </param>
private void EncodeServiceEncodeStarted(object sender, EventArgs e)
{
if (EncodeStarted != null)
{
this.EncodeStarted(sender, e);
}
}
/// <summary>
/// The encode service_ encode status changed.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The EncodeProgressEventArgs.
/// </param>
private void EncodeServiceEncodeStatusChanged(object sender, EncodeProgressEventArgs e)
{
if (EncodeStatusChanged != null)
{
this.EncodeStatusChanged(sender, e);
}
}
#endregion
}
}
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