1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
/* Scan.cs $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr>.
It may be used under the terms of the GNU General Public License. */
namespace Handbrake.Services
{
using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Threading;
using System.Windows.Forms;
using Parsing;
/// <summary>
/// Scan a Source
/// </summary>
public class Scan
{
/// <summary>
/// The information for this source
/// </summary>
private DVD thisDvd;
/// <summary>
/// The CLI data parser
/// </summary>
private Parser readData;
/// <summary>
/// The Log Buffer
/// </summary>
private StringBuilder logBuffer;
static object locker = new object();
/// <summary>
/// The line number thats been read to in the log file
/// </summary>
private int logFilePosition;
/// <summary>
/// The Process belonging to the CLI
/// </summary>
private Process hbProc;
/// <summary>
/// The Progress of the scan
/// </summary>
private string scanProgress;
/// <summary>
/// Scan has Started
/// </summary>
public event EventHandler ScanStared;
/// <summary>
/// Scan has completed
/// </summary>
public event EventHandler ScanCompleted;
/// <summary>
/// Scan process has changed to a new title
/// </summary>
public event EventHandler ScanStatusChanged;
/// <summary>
/// Gets or sets a value indicating whether IsScanning.
/// </summary>
public bool IsScanning { get; set; }
/// <summary>
/// Gets ActivityLog.
/// </summary>
public string ActivityLog
{
get
{
if (IsScanning)
return readData.Buffer;
ReadFile();
return logBuffer.ToString();
}
}
/// <summary>
/// Scan a Source Path.
/// Title 0: scan all
/// </summary>
/// <param name="sourcePath">Path to the file to scan</param>
/// <param name="title">int title number. 0 for scan all</param>
public void ScanSource(string sourcePath, int title)
{
Thread t = new Thread(unused => this.RunScan(sourcePath, title));
t.Start();
}
/// <summary>
/// Object containing the information parsed in the scan.
/// </summary>
/// <returns>The DVD object containing the scan information</returns>
public DVD SouceData()
{
return this.thisDvd;
}
/// <summary>
/// Progress of the scan.
/// </summary>
/// <returns>The progress of the scan</returns>
public string ScanStatus()
{
return this.scanProgress;
}
/// <summary>
/// The Scan Process
/// </summary>
/// <returns>The CLI process</returns>
public Process ScanProcess()
{
return this.hbProc;
}
/// <summary>
/// Start a scan for a given source path and title
/// </summary>
/// <param name="sourcePath">Path to the source file</param>
/// <param name="title">the title number to look at</param>
private void RunScan(object sourcePath, int title)
{
try
{
IsScanning = true;
if (this.ScanStared != null)
this.ScanStared(this, new EventArgs());
ResetLogReader();
string handbrakeCLIPath = Path.Combine(Application.StartupPath, "HandBrakeCLI.exe");
string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";
string dvdInfoPath = Path.Combine(logDir, "last_scan_log.txt");
// Make we don't pick up a stale last_encode_log.txt (and that we have rights to the file)
if (File.Exists(dvdInfoPath))
File.Delete(dvdInfoPath);
string dvdnav = string.Empty;
if (Properties.Settings.Default.noDvdNav)
dvdnav = " --no-dvdnav";
this.hbProc = new Process
{
StartInfo =
{
FileName = handbrakeCLIPath,
Arguments =
String.Format(@" -i ""{0}"" -t{1} {2} -v ", sourcePath, title, dvdnav),
RedirectStandardOutput = true,
RedirectStandardError = true,
UseShellExecute = false,
CreateNoWindow = true
}
};
// Start the Scan
this.hbProc.Start();
this.readData = new Parser(this.hbProc.StandardError.BaseStream);
this.readData.OnScanProgress += new ScanProgressEventHandler(this.OnScanProgress);
this.thisDvd = DVD.Parse(this.readData);
// Write the Buffer out to file.
StreamWriter scanLog = new StreamWriter(dvdInfoPath);
scanLog.Write(this.readData.Buffer);
scanLog.Flush();
scanLog.Close();
if (this.ScanCompleted != null)
this.ScanCompleted(this, new EventArgs());
IsScanning = false;
}
catch (Exception exc)
{
Console.WriteLine("frmMain.cs - scanProcess() " + exc);
}
}
/// <summary>
/// Read the log file
/// </summary>
private void ReadFile()
{
lock (locker)
{
// last_encode_log.txt is the primary log file. Since .NET can't read this file whilst the CLI is outputing to it (Not even in read only mode),
// we'll need to make a copy of it.
string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";
string logFile = Path.Combine(logDir, "last_scan_log.txt");
string logFile2 = Path.Combine(logDir, "tmp_appReadable_log.txt");
try
{
// Make sure the application readable log file does not already exist. FileCopy fill fail if it does.
if (File.Exists(logFile2))
File.Delete(logFile2);
// Copy the log file.
if (File.Exists(logFile))
File.Copy(logFile, logFile2, true);
else
{
ResetLogReader();
return;
}
// Start the Reader
// Only use text which continues on from the last read line
StreamReader sr = new StreamReader(logFile2);
string line;
int i = 1;
while ((line = sr.ReadLine()) != null)
{
if (i > logFilePosition)
{
logBuffer.AppendLine(line);
logFilePosition++;
}
i++;
}
sr.Close();
sr.Dispose();
}
catch (Exception)
{
ResetLogReader();
}
}
}
/// <summary>
/// Reset the Log Reader
/// </summary>
private void ResetLogReader()
{
logFilePosition = 0;
logBuffer = new StringBuilder();
}
/// <summary>
/// Fire an event when the scan process progresses
/// </summary>
/// <param name="sender">the sender</param>
/// <param name="currentTitle">the current title being scanned</param>
/// <param name="titleCount">the total number of titles</param>
private void OnScanProgress(object sender, int currentTitle, int titleCount)
{
this.scanProgress = string.Format("Processing Title: {0} of {1}", currentTitle, titleCount);
if (this.ScanStatusChanged != null)
this.ScanStatusChanged(this, new EventArgs());
}
}
}
|
