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[lamexp/LameXP.git] / src / Thread_FileAnalyzer.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2013 LoRd_MuldeR <MuldeR2@GMX.de>
4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License along
16 // with this program; if not, write to the Free Software Foundation, Inc.,
17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 //
19 // http://www.gnu.org/licenses/gpl-2.0.txt
20 ///////////////////////////////////////////////////////////////////////////////
21
22 #include "Thread_FileAnalyzer.h"
23
24 #include "Global.h"
25 #include "LockedFile.h"
26 #include "Model_AudioFile.h"
27 #include "Thread_FileAnalyzer_Task.h"
28
29 #include <QDir>
30 #include <QFileInfo>
31 #include <QProcess>
32 #include <QDate>
33 #include <QTime>
34 #include <QDebug>
35 #include <QImage>
36 #include <QThreadPool>
37 #include <QTime>
38
39 ////////////////////////////////////////////////////////////
40 // Constructor
41 ////////////////////////////////////////////////////////////
42
43 FileAnalyzer::FileAnalyzer(const QStringList &inputFiles)
44 :
45         m_abortFlag(false),
46         m_inputFiles(inputFiles),
47         m_templateFile(NULL)
48 {
49         m_bSuccess = false;
50         m_bAborted = false;
51 }
52
53 FileAnalyzer::~FileAnalyzer(void)
54 {
55         if(m_templateFile)
56         {
57                 QString templatePath = m_templateFile->filePath();
58                 LAMEXP_DELETE(m_templateFile);
59                 if(QFile::exists(templatePath)) QFile::remove(templatePath);
60         }
61         
62         AnalyzeTask::reset();
63 }
64
65 ////////////////////////////////////////////////////////////
66 // Static data
67 ////////////////////////////////////////////////////////////
68
69 const char *FileAnalyzer::g_tags_gen[] =
70 {
71         "ID",
72         "Format",
73         "Format_Profile",
74         "Format_Version",
75         "Duration",
76         "Title", "Track",
77         "Track/Position",
78         "Artist", "Performer",
79         "Album",
80         "Genre",
81         "Released_Date", "Recorded_Date",
82         "Comment",
83         "Cover",
84         "Cover_Type",
85         "Cover_Mime",
86         "Cover_Data",
87         NULL
88 };
89
90 const char *FileAnalyzer::g_tags_aud[] =
91 {
92         "ID",
93         "Source",
94         "Format",
95         "Format_Profile",
96         "Format_Version",
97         "Channel(s)",
98         "SamplingRate",
99         "BitDepth",
100         "BitRate",
101         "BitRate_Mode",
102         "Encoded_Library",
103         NULL
104 };
105
106 ////////////////////////////////////////////////////////////
107 // Thread Main
108 ////////////////////////////////////////////////////////////
109
110 void FileAnalyzer::run()
111 {
112         m_abortFlag = false;
113
114         m_bAborted = false;
115         m_bSuccess = false;
116
117         int nFiles = m_inputFiles.count();
118
119         emit progressMaxChanged(nFiles);
120         emit progressValChanged(0);
121
122         m_inputFiles.sort();
123
124         if(!m_templateFile)
125         {
126                 if(!createTemplate())
127                 {
128                         qWarning("Failed to create template file!");
129                         return;
130                 }
131         }
132
133         AnalyzeTask::reset();
134         QThreadPool *pool = new QThreadPool();
135         QThread::msleep(333);
136
137         pool->setMaxThreadCount(qBound(2, ((QThread::idealThreadCount() * 3) / 2), 12));
138
139         while(!(m_inputFiles.isEmpty() || m_bAborted))
140         {
141                 while(!(m_inputFiles.isEmpty() || m_bAborted))
142                 {
143                         if(!AnalyzeTask::waitForFreeSlot(&m_abortFlag))
144                         {
145                                 qWarning("Timeout in AnalyzeTask::waitForFreeSlot() !!!");
146                         }
147
148                         if(m_abortFlag)
149                         {
150                                 MessageBeep(MB_ICONERROR);
151                                 m_bAborted = true;
152                                 break;
153                         }
154                         
155                         if(!m_bAborted)
156                         {
157                                 const QString currentFile = QDir::fromNativeSeparators(m_inputFiles.takeFirst());
158
159                                 AnalyzeTask *task = new AnalyzeTask(currentFile, m_templateFile->filePath(), &m_abortFlag);
160                                 connect(task, SIGNAL(fileSelected(QString)), this, SIGNAL(fileSelected(QString)), Qt::DirectConnection);
161                                 connect(task, SIGNAL(progressValChanged(unsigned int)), this, SIGNAL(progressValChanged(unsigned int)), Qt::DirectConnection);
162                                 connect(task, SIGNAL(progressMaxChanged(unsigned int)), this, SIGNAL(progressMaxChanged(unsigned int)), Qt::DirectConnection);
163                                 connect(task, SIGNAL(fileAnalyzed(AudioFileModel)), this, SIGNAL(fileAnalyzed(AudioFileModel)), Qt::DirectConnection);
164
165                                 pool->start(task);
166
167                                 if(int count = AnalyzeTask::getAdditionalFiles(m_inputFiles))
168                                 {
169                                         emit progressMaxChanged(nFiles += count);
170                                 }
171                         }
172                 }
173
174                 //One of the Analyze tasks may have gathered additional files from a playlist!
175                 if(!m_bAborted)
176                 {
177                         pool->waitForDone();
178                         if(int count = AnalyzeTask::getAdditionalFiles(m_inputFiles))
179                         {
180                                 emit progressMaxChanged(nFiles += count);
181                         }
182                 }
183         }
184         
185         pool->waitForDone();
186         LAMEXP_DELETE(pool);
187
188         if(m_bAborted)
189         {
190                 qWarning("Operation cancelled by user!");
191                 return;
192         }
193         
194         qDebug("All files added.\n");
195         m_bSuccess = true;
196 }
197
198 ////////////////////////////////////////////////////////////
199 // Privtae Functions
200 ////////////////////////////////////////////////////////////
201
202 bool FileAnalyzer::createTemplate(void)
203 {
204         if(m_templateFile)
205         {
206                 qWarning("Template file already exists!");
207                 return true;
208         }
209         
210         QString templatePath = QString("%1/%2.txt").arg(lamexp_temp_folder2(), lamexp_rand_str());
211
212         QFile templateFile(templatePath);
213         if(!templateFile.open(QIODevice::WriteOnly))
214         {
215                 return false;
216         }
217
218         templateFile.write("General;");
219         for(size_t i = 0; g_tags_gen[i]; i++)
220         {
221                 templateFile.write(QString("Gen_%1=%%1%\\n").arg(g_tags_gen[i]).toLatin1().constData());
222         }
223         templateFile.write("\\n\r\n");
224
225         templateFile.write("Audio;");
226         for(size_t i = 0; g_tags_aud[i]; i++)
227         {
228                 templateFile.write(QString("Aud_%1=%%1%\\n").arg(g_tags_aud[i]).toLatin1().constData());
229         }
230         templateFile.write("\\n\r\n");
231
232         bool success = (templateFile.error() == QFile::NoError);
233         templateFile.close();
234         
235         if(!success)
236         {
237                 QFile::remove(templatePath);
238                 return false;
239         }
240
241         try
242         {
243                 m_templateFile = new LockedFile(templatePath);
244         }
245         catch(...)
246         {
247                 qWarning("Failed to lock template file!");
248                 return false;
249         }
250
251         return true;
252 }
253
254 ////////////////////////////////////////////////////////////
255 // Public Functions
256 ////////////////////////////////////////////////////////////
257
258 unsigned int FileAnalyzer::filesAccepted(void)
259 {
260         return AnalyzeTask::filesAccepted();
261 }
262
263 unsigned int FileAnalyzer::filesRejected(void)
264 {
265         return AnalyzeTask::filesRejected();
266 }
267
268 unsigned int FileAnalyzer::filesDenied(void)
269 {
270         return AnalyzeTask::filesDenied();
271 }
272
273 unsigned int FileAnalyzer::filesDummyCDDA(void)
274 {
275         return AnalyzeTask::filesDummyCDDA();
276 }
277
278 unsigned int FileAnalyzer::filesCueSheet(void)
279 {
280         return AnalyzeTask::filesCueSheet();
281 }
282
283 ////////////////////////////////////////////////////////////
284 // EVENTS
285 ////////////////////////////////////////////////////////////
286
287 /*NONE*/