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[LameXP.git] / src / Encoder_DCA.cpp
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1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2021 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; always including the non-optional
9 // LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this program; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 // http://www.gnu.org/licenses/gpl-2.0.txt
21 ///////////////////////////////////////////////////////////////////////////////
23 #include "Encoder_DCA.h"
25 #include "Global.h"
26 #include "Model_Settings.h"
28 #include <QProcess>
29 #include <QDir>
30 #include <limits.h>
32 static int index2bitrate(const int index)
34 return (index < 8) ? ((index + 1) * 32) : ((index < 12) ? ((index - 3) * 64) : ((index < 24) ? (index - 7) * 128 : (index - 15) * 256));
37 ///////////////////////////////////////////////////////////////////////////////
38 // Encoder Info
39 ///////////////////////////////////////////////////////////////////////////////
41 class DCAEncoderInfo : public AbstractEncoderInfo
43 virtual bool isModeSupported(int mode) const
45 switch(mode)
47 case SettingsModel::VBRMode:
48 case SettingsModel::ABRMode:
49 return false;
50 break;
51 case SettingsModel::CBRMode:
52 return true;
53 break;
54 default:
55 MUTILS_THROW("Bad RC mode specified!");
59 virtual int valueCount(int mode) const
61 switch(mode)
63 case SettingsModel::VBRMode:
64 case SettingsModel::ABRMode:
65 return 0;
66 break;
67 case SettingsModel::CBRMode:
68 return 32;
69 break;
70 default:
71 MUTILS_THROW("Bad RC mode specified!");
75 virtual int valueAt(int mode, int index) const
77 switch(mode)
79 case SettingsModel::VBRMode:
80 case SettingsModel::ABRMode:
81 return 0;
82 break;
83 case SettingsModel::CBRMode:
84 return qBound(32, index2bitrate(index), 4096);
85 break;
86 default:
87 MUTILS_THROW("Bad RC mode specified!");
91 virtual int valueType(int mode) const
93 switch(mode)
95 case SettingsModel::VBRMode:
96 return TYPE_QUALITY_LEVEL_INT;
97 break;
98 case SettingsModel::ABRMode:
99 case SettingsModel::CBRMode:
100 return TYPE_BITRATE;
101 break;
102 default:
103 MUTILS_THROW("Bad RC mode specified!");
107 virtual const char *description(void) const
109 static const char* s_description = "dcaenc-2 by Alexander E. Patrakov";
110 return s_description;
113 virtual const char *extension(void) const
115 static const char* s_extension = "dts";
116 return s_extension;
119 virtual bool isResamplingSupported(void) const
121 return false;
124 static const g_dcaEncoderInfo;
126 ///////////////////////////////////////////////////////////////////////////////
127 // Encoder implementation
128 ///////////////////////////////////////////////////////////////////////////////
130 DCAEncoder::DCAEncoder(void)
132 m_binary(lamexp_tools_lookup(L1S("dcaenc.exe")))
134 if(m_binary.isEmpty())
136 MUTILS_THROW("Error initializing DCA encoder. Tool 'dcaenc.exe' is not registred!");
140 DCAEncoder::~DCAEncoder(void)
144 bool DCAEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
146 QProcess process;
147 QStringList args;
149 args << L1S("-i") << QDir::toNativeSeparators(sourceFile);
150 args << L1S("-o") << QDir::toNativeSeparators(outputFile);
151 args << L1S("-b") << QString::number(qBound(32, index2bitrate(m_configBitrate), 4096));
153 if(!startProcess(process, m_binary, args))
155 return false;
158 int prevProgress = -1;
159 QRegExp regExp(L1S("\\[(\\d+)\\.(\\d+)%\\]"));
161 const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
163 if (regExp.lastIndexIn(text) >= 0)
165 qint32 newProgress;
166 if (MUtils::regexp_parse_int32(regExp, newProgress))
168 if (newProgress > prevProgress)
170 emit statusUpdated(newProgress);
171 prevProgress = NEXT_PROGRESS(newProgress);
174 return true;
176 return false;
179 return (result == RESULT_SUCCESS);
182 bool DCAEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
184 if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
186 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
188 return true;
192 return false;
195 const unsigned int *DCAEncoder::supportedChannelCount(void)
197 static const unsigned int supportedChannels[] = {1, 2, 4, 5, 6, NULL};
198 return supportedChannels;
201 const unsigned int *DCAEncoder::supportedSamplerates(void)
203 static const unsigned int supportedRates[] = {48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, NULL};
204 return supportedRates;
207 const unsigned int *DCAEncoder::supportedBitdepths(void)
209 static const unsigned int supportedBPS[] = {16, 32, NULL};
210 return supportedBPS;
213 const AbstractEncoderInfo *DCAEncoder::getEncoderInfo(void)
215 return &g_dcaEncoderInfo;