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Fix a few typos in error messages (doesn't effect translations).
[lamexp/LameXP.git] / src / Decoder_Musepack.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2011 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 "Decoder_Musepack.h"
23
24 #include "Global.h"
25
26 #include <QDir>
27 #include <QProcess>
28 #include <QRegExp>
29 #include <QUuid>
30
31 MusepackDecoder::MusepackDecoder(void)
32 :
33         m_binary(lamexp_lookup_tool("mpcdec.exe"))
34 {
35         if(m_binary.isEmpty())
36         {
37                 throw "Error initializing Musepack decoder. Tool 'mpcdec.exe' is not registred!";
38         }
39 }
40
41 MusepackDecoder::~MusepackDecoder(void)
42 {
43 }
44
45 bool MusepackDecoder::decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag)
46 {
47         QProcess process;
48         QStringList args;
49
50         args << QDir::toNativeSeparators(sourceFile);
51         args << QDir::toNativeSeparators(outputFile);
52
53         if(!startProcess(process, m_binary, args))
54         {
55                 return false;
56         }
57
58         bool bTimeout = false;
59         bool bAborted = false;
60
61         //The Musepack Decoder doesn't actually send any status updates :-[
62         emit statusUpdated(20 + (QUuid::createUuid().data1 % 80));
63
64         while(process.state() != QProcess::NotRunning)
65         {
66                 if(*abortFlag)
67                 {
68                         process.kill();
69                         bAborted = true;
70                         emit messageLogged("\nABORTED BY USER !!!");
71                         break;
72                 }
73                 process.waitForReadyRead(180000);
74                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
75                 {
76                         process.kill();
77                         qWarning("MpcDec process timed out <-- killing!");
78                         bTimeout = true;
79                         break;
80                 }
81                 while(process.bytesAvailable() > 0)
82                 {
83                         QByteArray line = process.readLine();
84                         QString text = QString::fromUtf8(line.constData()).simplified();
85                         if(!text.isEmpty())
86                         {
87                                 emit messageLogged(text);
88                         }
89                 }
90         }
91
92         process.waitForFinished();
93         if(process.state() != QProcess::NotRunning)
94         {
95                 process.kill();
96                 process.waitForFinished(-1);
97         }
98         
99         emit statusUpdated(100);
100         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
101
102         if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit || QFileInfo(outputFile).size() == 0)
103         {
104                 return false;
105         }
106         
107         return true;
108 }
109
110 bool MusepackDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
111 {
112         if(containerType.compare("Musepack SV8", Qt::CaseInsensitive) == 0 || containerType.compare("Musepack SV7", Qt::CaseInsensitive) == 0)
113         {
114                 if(formatType.compare("Musepack SV8", Qt::CaseInsensitive) == 0 || formatType.compare("Musepack SV7", Qt::CaseInsensitive) == 0)
115                 {
116                         return true;
117                 }
118         }
119
120         return false;
121 }
122
123 QStringList MusepackDecoder::supportedTypes(void)
124 {
125         return QStringList() << "Musepack (*.mpc *.mpp *.mp+)";
126 }