127 lines
3.8 KiB
C++
127 lines
3.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2022 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU GENERAL PUBLIC LICENSE as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version; always including the non-optional
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// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "Tool_WaveProperties.h"
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//Internal
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#include "Global.h"
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#include "Model_AudioFile.h"
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//MUtils
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#include <MUtils/Exception.h>
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//Qt
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#include <QDir>
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#include <QProcess>
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WaveProperties::WaveProperties(void)
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:
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m_binary(lamexp_tools_lookup("sox.exe"))
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{
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if(m_binary.isEmpty())
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{
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MUTILS_THROW("Error initializing MP3 encoder. Tool 'lame.exe' is not registred!");
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}
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}
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WaveProperties::~WaveProperties(void)
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{
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}
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bool WaveProperties::detect(const QString &sourceFile, AudioFileModel_TechInfo *info, QAtomicInt &abortFlag)
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{
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QProcess process;
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QStringList args;
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args << "--i" << QDir::toNativeSeparators(sourceFile);
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if(!startProcess(process, m_binary, args))
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{
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return false;
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}
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int progress = 0;
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QRegExp regExp_prc("Precision\\s*:\\s*(\\d+)-bit", Qt::CaseInsensitive);
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QRegExp regExp_srt("Sample Rate\\s*:\\s*(\\d+)", Qt::CaseInsensitive);
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QRegExp regExp_drt("Duration\\s*:\\s*(\\d\\d):(\\d\\d):(\\d\\d)\\.(\\d\\d)", Qt::CaseInsensitive);
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QRegExp regExp_chl("Channels\\s*:\\s*(\\d+)", Qt::CaseInsensitive);
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QRegExp regExp_enc("Sample Encoding\\s*:\\s*(\\d+)-bit\\s*Float", Qt::CaseInsensitive); //SoX returns a precision of 24-Bit for 32-Bit Float data, so we detect it this way!
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const result_t result = awaitProcess(process, abortFlag, [this, &info, &progress, ®Exp_prc, ®Exp_srt, ®Exp_drt, ®Exp_chl, ®Exp_enc](const QString &text)
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{
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if (regExp_prc.lastIndexIn(text) >= 0)
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{
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quint32 tmp;
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if (MUtils::regexp_parse_uint32(regExp_prc, tmp))
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{
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info->setAudioBitdepth(tmp);
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emit statusUpdated(qMin(progress += 25, 100));
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}
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return true;
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}
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if (regExp_enc.lastIndexIn(text) >= 0)
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{
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quint32 tmp;
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if (MUtils::regexp_parse_uint32(regExp_enc, tmp))
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{
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info->setAudioBitdepth((tmp == 32) ? AudioFileModel::BITDEPTH_IEEE_FLOAT32 : tmp);
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emit statusUpdated(qMin(progress += 25, 100));
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}
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return true;
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}
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if (regExp_srt.lastIndexIn(text) >= 0)
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{
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quint32 tmp;
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if (MUtils::regexp_parse_uint32(regExp_srt, tmp))
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{
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info->setAudioSamplerate(tmp);
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emit statusUpdated(qMin(progress += 25, 100));
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}
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return true;
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}
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if (regExp_drt.lastIndexIn(text) >= 0)
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{
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quint32 tmp[4];
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if (MUtils::regexp_parse_uint32(regExp_drt, tmp, 4))
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{
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info->setDuration((tmp[0] * 3600) + (tmp[1] * 60) + tmp[2] + qRound(static_cast<double>(tmp[3]) / 100.0));
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emit statusUpdated(qMin(progress += 25, 100));
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}
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return true;
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}
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if (regExp_chl.lastIndexIn(text) >= 0)
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{
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quint32 tmp;
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if (MUtils::regexp_parse_uint32(regExp_chl, tmp))
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{
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info->setAudioChannels(tmp);
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emit statusUpdated(qMin(progress += 25, 100));
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}
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return true;
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}
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return false;
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});
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return (result == RESULT_SUCCESS);
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}
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