///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
-// Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2017 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
-// (at your option) any later version.
+// (at your option) any later version, but always including the *additional*
+// restrictions defined in the "License.txt" file.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "Filter_Resample.h"
+//Internal
#include "Global.h"
+#include "Model_AudioFile.h"
+//MUtils
+#include <MUtils/Exception.h>
+
+//Qt
#include <QDir>
#include <QProcess>
#include <QRegExp>
-ResampleFilter::ResampleFilter(int samplingRate)
+static __inline int multipleOf(int value, int base)
+{
+ return qRound(static_cast<double>(value) / static_cast<double>(base)) * base;
+}
+
+ResampleFilter::ResampleFilter(int samplingRate, int bitDepth)
:
- m_binary(lamexp_lookup_tool("sox.exe"))
+ m_binary(lamexp_tools_lookup("sox.exe"))
{
if(m_binary.isEmpty())
{
- throw "Error initializing SoX filter. Tool 'sox.exe' is not registred!";
+ MUTILS_THROW("Error initializing SoX filter. Tool 'sox.exe' is not registred!");
}
- m_samplingRate = min(192000, max(8000, samplingRate));
+ m_samplingRate = (samplingRate > 0) ? qBound(8000, samplingRate, 192000) : 0;
+ m_bitDepth = (bitDepth > 0) ? qBound(8, multipleOf(bitDepth, 8), 32) : 0;
+
+ if((m_samplingRate == 0) && (m_bitDepth == 0))
+ {
+ qWarning("ResampleFilter: Nothing to do, filter will be NOP!");
+ }
}
ResampleFilter::~ResampleFilter(void)
{
}
-bool ResampleFilter::apply(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag)
+AbstractFilter::FilterResult ResampleFilter::apply(const QString &sourceFile, const QString &outputFile, AudioFileModel_TechInfo *const formatInfo, QAtomicInt &abortFlag)
{
QProcess process;
QStringList args;
- process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
+ if((m_samplingRate == formatInfo->audioSamplerate()) && (m_bitDepth == formatInfo->audioBitdepth()))
+ {
+ messageLogged("Skipping resample filter!");
+ qDebug("Resampling filter target samplerate/bitdepth is equals to the format of the input file, skipping!");
+ return AbstractFilter::FILTER_SKIPPED;
+ }
- args << "-V3";
+ args << "-V3" << "-S";
args << "--guard" << "--temp" << ".";
args << QDir::toNativeSeparators(sourceFile);
+
+ if(m_bitDepth)
+ {
+ args << "-b" << QString::number(m_bitDepth);
+ }
+
args << QDir::toNativeSeparators(outputFile);
- args << "rate";
- args << "-h" << QString::number(m_samplingRate);
- if(!startProcess(process, m_binary, args))
+ if(m_samplingRate)
+ {
+ args << "rate";
+ args << ((m_bitDepth > 16) ? "-v" : "-h"); //if resampling at/to > 16 bit depth (i.e. most commonly 24-bit), use VHQ (-v), otherwise, use HQ (-h)
+ args << ((m_samplingRate > 40000) ? "-L" : "-I"); //if resampling to < 40k, use intermediate phase (-I), otherwise use linear phase (-L)
+ args << QString::number(m_samplingRate);
+ }
+
+ if((m_bitDepth || m_samplingRate) && (m_bitDepth <= 16))
{
- return false;
+ args << "dither" << "-s"; //if you're mastering to 16-bit, you also need to add 'dither' (and in most cases noise-shaping) after the rate
+ }
+
+ if(!startProcess(process, m_binary, args, QFileInfo(outputFile).canonicalPath()))
+ {
+ return AbstractFilter::FILTER_FAILURE;
}
bool bTimeout = false;
bool bAborted = false;
+ QRegExp regExp("In:(\\d+)(\\.\\d+)*%");
+
while(process.state() != QProcess::NotRunning)
{
- if(*abortFlag)
+ if(checkFlag(abortFlag))
{
process.kill();
bAborted = true;
emit messageLogged("\nABORTED BY USER !!!");
break;
}
- process.waitForReadyRead();
+ process.waitForReadyRead(m_processTimeoutInterval);
if(!process.bytesAvailable() && process.state() == QProcess::Running)
{
process.kill();
{
QByteArray line = process.readLine();
QString text = QString::fromUtf8(line.constData()).simplified();
- if(!text.isEmpty())
+ if(regExp.lastIndexIn(text) >= 0)
+ {
+ bool ok = false;
+ int progress = regExp.cap(1).toInt(&ok);
+ if(ok) emit statusUpdated(progress);
+ }
+ else if(!text.isEmpty())
{
emit messageLogged(text);
}
emit statusUpdated(100);
emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
- if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit || QFileInfo(outputFile).size() == 0)
+ if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
{
- return false;
+ return AbstractFilter::FILTER_FAILURE;
}
- return true;
+ if(m_samplingRate)
+ formatInfo->setAudioSamplerate(m_samplingRate);
+ if(m_bitDepth)
+ formatInfo->setAudioBitdepth(m_bitDepth);
+
+ return AbstractFilter::FILTER_SUCCESS;
}
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