///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
-// Copyright (C) 2004-2010 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2014 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 "Model_Progress.h"
#include "Encoder_Abstract.h"
#include "Decoder_Abstract.h"
+#include "Filter_Abstract.h"
+#include "Filter_Downmix.h"
+#include "Filter_Resample.h"
+#include "Tool_WaveProperties.h"
#include "Registry_Decoder.h"
#include "Model_Settings.h"
#include <QDir>
#include <QMutex>
#include <QMutexLocker>
+#include <QDate>
+#include <QThreadPool>
#include <limits.h>
#include <time.h>
+#include <stdlib.h>
-QMutex *ProcessThread::m_mutex_genFileName = NULL;
+#define DIFF(X,Y) ((X > Y) ? (X-Y) : (Y-X))
+#define IS_WAVE(X) ((X.containerType().compare("Wave", Qt::CaseInsensitive) == 0) && (X.audioType().compare("PCM", Qt::CaseInsensitive) == 0))
+#define STRDEF(STR,DEF) ((!STR.isEmpty()) ? STR : DEF)
////////////////////////////////////////////////////////////
// Constructor
////////////////////////////////////////////////////////////
-ProcessThread::ProcessThread(const AudioFileModel &audioFile, const QString &outputDirectory, AbstractEncoder *encoder, const bool prependRelativeSourcePath)
+ProcessThread::ProcessThread(const AudioFileModel &audioFile, const QString &outputDirectory, const QString &tempDirectory, AbstractEncoder *encoder, const bool prependRelativeSourcePath)
:
m_audioFile(audioFile),
m_outputDirectory(outputDirectory),
+ m_tempDirectory(tempDirectory),
m_encoder(encoder),
m_jobId(QUuid::createUuid()),
m_prependRelativeSourcePath(prependRelativeSourcePath),
- m_aborted(false)
+ m_renamePattern("<BaseName>"),
+ m_overwriteMode(OverwriteMode_KeepBoth),
+ m_initialized(-1),
+ m_aborted(false),
+ m_propDetect(new WaveProperties())
{
- if(m_mutex_genFileName)
- {
- m_mutex_genFileName = new QMutex;
- }
-
connect(m_encoder, SIGNAL(statusUpdated(int)), this, SLOT(handleUpdate(int)), Qt::DirectConnection);
connect(m_encoder, SIGNAL(messageLogged(QString)), this, SLOT(handleMessage(QString)), Qt::DirectConnection);
+ connect(m_propDetect, SIGNAL(statusUpdated(int)), this, SLOT(handleUpdate(int)), Qt::DirectConnection);
+ connect(m_propDetect, SIGNAL(messageLogged(QString)), this, SLOT(handleMessage(QString)), Qt::DirectConnection);
+
m_currentStep = UnknownStep;
}
{
while(!m_tempFiles.isEmpty())
{
- QFile::remove(m_tempFiles.takeFirst());
+ lamexp_remove_file(m_tempFiles.takeFirst());
+ }
+
+ while(!m_filters.isEmpty())
+ {
+ delete m_filters.takeFirst();
}
LAMEXP_DELETE(m_encoder);
+ LAMEXP_DELETE(m_propDetect);
+
+ emit processFinished();
+}
+
+////////////////////////////////////////////////////////////
+// Init Function
+////////////////////////////////////////////////////////////
+
+bool ProcessThread::init(void)
+{
+ if(m_initialized < 0)
+ {
+ m_initialized = 0;
+
+ //Initialize job status
+ qDebug("Process thread %s has started.", m_jobId.toString().toLatin1().constData());
+ emit processStateInitialized(m_jobId, QFileInfo(m_audioFile.filePath()).fileName(), tr("Starting..."), ProgressModel::JobRunning);
+
+ //Initialize log
+ handleMessage(QString().sprintf("LameXP v%u.%02u (Build #%u), compiled on %s at %s", lamexp_version_major(), lamexp_version_minor(), lamexp_version_build(), lamexp_version_date().toString(Qt::ISODate).toLatin1().constData(), lamexp_version_time()));
+ handleMessage("\n-------------------------------\n");
+
+ return true;
+ }
+
+ qWarning("[ProcessThread::init] Job %s already initialialized, skipping!", m_jobId.toString().toLatin1().constData());
+ return false;
+}
+
+bool ProcessThread::start(QThreadPool *pool)
+{
+ //Make sure object was initialized correctly
+ if(m_initialized < 0)
+ {
+ THROW("Object not initialized yet!");
+ }
+
+ if(m_initialized < 1)
+ {
+ m_initialized = 1;
+
+ m_outFileName.clear();
+ bool bSuccess = false;
+
+ //Generate output file name
+ switch(generateOutFileName(m_outFileName))
+ {
+ case 1:
+ //File name generated successfully :-)
+ bSuccess = true;
+ pool->start(this);
+ break;
+ case -1:
+ //File name already exists -> skipping!
+ emit processStateChanged(m_jobId, tr("Skipped."), ProgressModel::JobSkipped);
+ emit processStateFinished(m_jobId, m_outFileName, -1);
+ break;
+ default:
+ //File name could not be generated
+ emit processStateChanged(m_jobId, tr("Not found!"), ProgressModel::JobFailed);
+ emit processStateFinished(m_jobId, m_outFileName, 0);
+ break;
+ }
+
+ if(!bSuccess)
+ {
+ emit processFinished();
+ }
+
+ return bSuccess;
+ }
+
+ qWarning("[ProcessThread::start] Job %s already started, skipping!", m_jobId.toString().toLatin1().constData());
+ return false;
}
+////////////////////////////////////////////////////////////
+// Thread Entry Point
+////////////////////////////////////////////////////////////
+
void ProcessThread::run()
{
try
{
processFile();
}
+ catch(const std::exception &error)
+ {
+ PRINT_ERROR("\nGURU MEDITATION !!!\n\nException error:\n%s\n", error.what());
+ lamexp_fatal_exit("Unhandeled C++ exception error, application will exit!");
+ }
catch(...)
{
- fflush(stdout);
- fflush(stderr);
- fprintf(stderr, "\nEXCEPTION ERROR !!!\n");
- FatalAppExit(0, L"Unhandeled exception error, application will exit!");
- TerminateProcess(GetCurrentProcess(), -1);
+ PRINT_ERROR("\nGURU MEDITATION !!!\n\nUnknown exception error!\n");
+ lamexp_fatal_exit("Unhandeled C++ exception error, application will exit!");
}
}
m_aborted = false;
bool bSuccess = true;
- qDebug("Process thread %s has started.", m_jobId.toString().toLatin1().constData());
- emit processStateInitialized(m_jobId, QFileInfo(m_audioFile.filePath()).fileName(), "Starting...", ProgressModel::JobRunning);
-
- //Generate output file name
- QString outFileName = generateOutFileName();
- if(outFileName.isEmpty())
+ //Make sure object was initialized correctly
+ if(m_initialized < 1)
{
- emit processStateChanged(m_jobId, "Not found!", ProgressModel::JobFailed);
- emit processStateFinished(m_jobId, outFileName, false);
- return;
+ THROW("Object not initialized yet!");
}
QString sourceFile = m_audioFile.filePath();
+ //------------------
//Decode source file
- if(!m_encoder->isFormatSupported(m_audioFile.formatContainerType(), m_audioFile.formatContainerProfile(), m_audioFile.formatAudioType(), m_audioFile.formatAudioProfile(), m_audioFile.formatAudioVersion()))
+ //------------------
+ const AudioFileModel_TechInfo &formatInfo = m_audioFile.techInfo();
+ if(!m_filters.isEmpty() || !m_encoder->isFormatSupported(formatInfo.containerType(), formatInfo.containerProfile(), formatInfo.audioType(), formatInfo.audioProfile(), formatInfo.audioVersion()))
{
m_currentStep = DecodingStep;
- AbstractDecoder *decoder = DecoderRegistry::lookup(m_audioFile.formatContainerType(), m_audioFile.formatContainerProfile(), m_audioFile.formatAudioType(), m_audioFile.formatAudioProfile(), m_audioFile.formatAudioVersion());
+ AbstractDecoder *decoder = DecoderRegistry::lookup(formatInfo.containerType(), formatInfo.containerProfile(), formatInfo.audioType(), formatInfo.audioProfile(), formatInfo.audioVersion());
if(decoder)
{
connect(decoder, SIGNAL(messageLogged(QString)), this, SLOT(handleMessage(QString)), Qt::DirectConnection);
bSuccess = decoder->decode(sourceFile, tempFile, &m_aborted);
+ LAMEXP_DELETE(decoder);
if(bSuccess)
{
sourceFile = tempFile;
+ m_audioFile.techInfo().setContainerType(QString::fromLatin1("Wave"));
+ m_audioFile.techInfo().setAudioType(QString::fromLatin1("PCM"));
+
+ if(QFileInfo(sourceFile).size() >= 4294967296i64)
+ {
+ handleMessage(tr("WARNING: Decoded file size exceeds 4 GB, problems might occur!\n"));
+ }
+
handleMessage("\n-------------------------------\n");
}
}
else
{
- handleMessage(QString("The format of this file is NOT supported:\n%1\n\nContainer Format:\t%2\nAudio Format:\t%3").arg(m_audioFile.filePath(), m_audioFile.formatContainerInfo(), m_audioFile.formatAudioCompressInfo()));
- emit processStateChanged(m_jobId, "Unsupported!", ProgressModel::JobFailed);
- emit processStateFinished(m_jobId, outFileName, false);
+ if(QFileInfo(m_outFileName).exists() && (QFileInfo(m_outFileName).size() < 512)) QFile::remove(m_outFileName);
+ handleMessage(QString("%1\n%2\n\n%3\t%4\n%5\t%6").arg(tr("The format of this file is NOT supported:"), m_audioFile.filePath(), tr("Container Format:"), m_audioFile.containerInfo(), tr("Audio Format:"), m_audioFile.audioCompressInfo()));
+ emit processStateChanged(m_jobId, tr("Unsupported!"), ProgressModel::JobFailed);
+ emit processStateFinished(m_jobId, m_outFileName, 0);
return;
}
}
- //Encode audio file
+ //------------------------------------
+ //Update audio properties after decode
+ //------------------------------------
+ if(bSuccess && !m_aborted && IS_WAVE(m_audioFile.techInfo()))
+ {
+ if(m_encoder->supportedSamplerates() || m_encoder->supportedBitdepths() || m_encoder->supportedChannelCount() || m_encoder->needsTimingInfo() || !m_filters.isEmpty())
+ {
+ m_currentStep = AnalyzeStep;
+ bSuccess = m_propDetect->detect(sourceFile, &m_audioFile.techInfo(), &m_aborted);
+
+ if(bSuccess)
+ {
+ handleMessage("\n-------------------------------\n");
+
+ //Do we need to take care if Stereo downmix?
+ if(m_encoder->supportedChannelCount())
+ {
+ insertDownmixFilter();
+ }
+
+ //Do we need to take care of downsampling the input?
+ if(m_encoder->supportedSamplerates() || m_encoder->supportedBitdepths())
+ {
+ insertDownsampleFilter();
+ }
+ }
+ }
+ }
+
+ //-----------------------
+ //Apply all audio filters
+ //-----------------------
if(bSuccess)
{
+ while(!m_filters.isEmpty() && !m_aborted)
+ {
+ QString tempFile = generateTempFileName();
+ AbstractFilter *poFilter = m_filters.takeFirst();
+ m_currentStep = FilteringStep;
+
+ connect(poFilter, SIGNAL(statusUpdated(int)), this, SLOT(handleUpdate(int)), Qt::DirectConnection);
+ connect(poFilter, SIGNAL(messageLogged(QString)), this, SLOT(handleMessage(QString)), Qt::DirectConnection);
+
+ if(poFilter->apply(sourceFile, tempFile, &m_audioFile.techInfo(), &m_aborted))
+ {
+ sourceFile = tempFile;
+ }
+
+ handleMessage("\n-------------------------------\n");
+ delete poFilter;
+ }
+ }
+
+ //-----------------
+ //Encode audio file
+ //-----------------
+ if(bSuccess && !m_aborted)
+ {
m_currentStep = EncodingStep;
- bSuccess = m_encoder->encode(sourceFile, m_audioFile, outFileName, &m_aborted);
+ bSuccess = m_encoder->encode(sourceFile, m_audioFile.metaInfo(), m_audioFile.techInfo().duration(), m_outFileName, &m_aborted);
+ }
+
+ //Clean-up
+ if((!bSuccess) || m_aborted)
+ {
+ QFileInfo fileInfo(m_outFileName);
+ if(fileInfo.exists() && (fileInfo.size() < 512))
+ {
+ QFile::remove(m_outFileName);
+ }
}
//Make sure output file exists
- if(bSuccess)
+ if(bSuccess && (!m_aborted))
{
- QFileInfo fileInfo(outFileName);
+ QFileInfo fileInfo(m_outFileName);
bSuccess = fileInfo.exists() && fileInfo.isFile() && (fileInfo.size() > 0);
}
+ lamexp_sleep(125);
+
//Report result
- emit processStateChanged(m_jobId, (bSuccess ? "Done." : (m_aborted ? "Aborted!" : "Failed!")), (bSuccess ? ProgressModel::JobComplete : ProgressModel::JobFailed));
- emit processStateFinished(m_jobId, outFileName, bSuccess);
+ emit processStateChanged(m_jobId, (m_aborted ? tr("Aborted!") : (bSuccess ? tr("Done.") : tr("Failed!"))), ((bSuccess && !m_aborted) ? ProgressModel::JobComplete : ProgressModel::JobFailed));
+ emit processStateFinished(m_jobId, m_outFileName, (bSuccess ? 1 : 0));
qDebug("Process thread is done.");
}
void ProcessThread::handleUpdate(int progress)
{
+ //qDebug("Progress: %d\n", progress);
+
switch(m_currentStep)
{
case EncodingStep:
- emit processStateChanged(m_jobId, QString("Encoding (%1%)").arg(QString::number(progress)), ProgressModel::JobRunning);
+ emit processStateChanged(m_jobId, QString("%1 (%2%)").arg(tr("Encoding"), QString::number(progress)), ProgressModel::JobRunning);
+ break;
+ case AnalyzeStep:
+ emit processStateChanged(m_jobId, QString("%1 (%2%)").arg(tr("Analyzing"), QString::number(progress)), ProgressModel::JobRunning);
+ break;
+ case FilteringStep:
+ emit processStateChanged(m_jobId, QString("%1 (%2%)").arg(tr("Filtering"), QString::number(progress)), ProgressModel::JobRunning);
break;
case DecodingStep:
- emit processStateChanged(m_jobId, QString("Decoding (%1%)").arg(QString::number(progress)), ProgressModel::JobRunning);
+ emit processStateChanged(m_jobId, QString("%1 (%2%)").arg(tr("Decoding"), QString::number(progress)), ProgressModel::JobRunning);
break;
}
}
// PRIVAE FUNCTIONS
////////////////////////////////////////////////////////////
-QString ProcessThread::generateOutFileName(void)
+int ProcessThread::generateOutFileName(QString &outFileName)
{
- QMutexLocker lock(m_mutex_genFileName);
-
- int n = 1;
+ outFileName.clear();
+ //Make sure the source file exists
QFileInfo sourceFile(m_audioFile.filePath());
- if(!sourceFile.exists() || !sourceFile.isFile())
+ if(!(sourceFile.exists() && sourceFile.isFile()))
{
- handleMessage(QString("The source audio file could not be found:\n%1").arg(sourceFile.absoluteFilePath()));
- return QString();
+ handleMessage(QString("%1\n%2").arg(tr("The source audio file could not be found:"), sourceFile.absoluteFilePath()));
+ return 0;
}
+ //Make sure the source file readable
QFile readTest(sourceFile.canonicalFilePath());
if(!readTest.open(QIODevice::ReadOnly))
{
- handleMessage(QString("The source audio file could not be opened for reading:\n%1").arg(readTest.fileName()));
- return QString();
+ handleMessage(QString("%1\n%2").arg(tr("The source audio file could not be opened for reading:"), QDir::toNativeSeparators(readTest.fileName())));
+ return 0;
}
else
{
QString baseName = sourceFile.completeBaseName();
QDir targetDir(m_outputDirectory.isEmpty() ? sourceFile.canonicalPath() : m_outputDirectory);
+ //Prepend relative source file path?
if(m_prependRelativeSourcePath && !m_outputDirectory.isEmpty())
{
QDir rootDir = sourceFile.dir();
targetDir.setPath(QString("%1/%2").arg(targetDir.absolutePath(), QFileInfo(rootDir.relativeFilePath(sourceFile.canonicalFilePath())).path()));
}
+ //Make sure output directory does exist
if(!targetDir.exists())
{
targetDir.mkpath(".");
if(!targetDir.exists())
{
- handleMessage(QString("The target output directory doesn't exist and could NOT be created:\n%1").arg(targetDir.absolutePath()));
- return QString();
+ handleMessage(QString("%1\n%2").arg(tr("The target output directory doesn't exist and could NOT be created:"), QDir::toNativeSeparators(targetDir.absolutePath())));
+ return 0;
}
}
+ //Make sure that the output dir is writable
QFile writeTest(QString("%1/.%2").arg(targetDir.canonicalPath(), lamexp_rand_str()));
if(!writeTest.open(QIODevice::ReadWrite))
{
- handleMessage(QString("The target output directory is NOT writable:\n%1").arg(targetDir.absolutePath()));
- return QString();
+ handleMessage(QString("%1\n%2").arg(tr("The target output directory is NOT writable:"), QDir::toNativeSeparators(targetDir.absolutePath())));
+ return 0;
}
else
{
- writeTest.close();
writeTest.remove();
}
- QString outFileName = QString("%1/%2.%3").arg(targetDir.canonicalPath(), baseName, m_encoder->extension());
- while(QFileInfo(outFileName).exists())
+ //Apply rename pattern
+ QString fileName = applyRenamePattern(baseName, m_audioFile.metaInfo());
+
+ //Generate full output path
+ outFileName = QString("%1/%2.%3").arg(targetDir.canonicalPath(), fileName, m_encoder->extension());
+
+ //Skip file, if target file exists (optional!)
+ if((m_overwriteMode == OverwriteMode_SkipExisting) && QFileInfo(outFileName).exists())
+ {
+ handleMessage(QString("%1\n%2\n").arg(tr("Target output file already exists, going to skip this file:"), QDir::toNativeSeparators(outFileName)));
+ handleMessage(tr("If you don't want existing files to be skipped, please change the overwrite mode!"));
+ return -1;
+ }
+
+ //Delete file, if target file exists (optional!)
+ if((m_overwriteMode == OverwriteMode_Overwrite) && QFileInfo(outFileName).exists() && QFileInfo(outFileName).isFile())
+ {
+ handleMessage(QString("%1\n%2\n").arg(tr("Target output file already exists, going to delete existing file:"), QDir::toNativeSeparators(outFileName)));
+ if(sourceFile.canonicalFilePath().compare(QFileInfo(outFileName).absoluteFilePath(), Qt::CaseInsensitive) != 0)
+ {
+ for(int i = 0; i < 16; i++)
+ {
+ if(QFile::remove(outFileName))
+ {
+ break;
+ }
+ lamexp_sleep(125);
+ }
+ }
+ if(QFileInfo(outFileName).exists())
+ {
+ handleMessage(QString("%1\n").arg(tr("Failed to delete existing target file, will save to another file name!")));
+ }
+ }
+
+ int n = 1;
+
+ //Generate final name
+ while(QFileInfo(outFileName).exists() && (n < (INT_MAX/2)))
{
- outFileName = QString("%1/%2 (%3).%4").arg(targetDir.canonicalPath(), baseName, QString::number(++n), m_encoder->extension());
+ outFileName = QString("%1/%2 (%3).%4").arg(targetDir.canonicalPath(), fileName, QString::number(++n), m_encoder->extension());
}
+ //Create placeholder
QFile placeholder(outFileName);
if(placeholder.open(QIODevice::WriteOnly))
{
placeholder.close();
}
- return outFileName;
+ return 1;
}
-QString ProcessThread::generateTempFileName(void)
+QString ProcessThread::applyRenamePattern(const QString &baseName, const AudioFileModel_MetaInfo &metaInfo)
{
- QMutexLocker lock(m_mutex_genFileName);
- QString tempFileName = QString("%1/%2.wav").arg(lamexp_temp_folder(), lamexp_rand_str());
+ QString fileName = m_renamePattern;
+
+ fileName.replace("<BaseName>", STRDEF(baseName, tr("Unknown File Name")), Qt::CaseInsensitive);
+ fileName.replace("<TrackNo>", QString().sprintf("%02d", metaInfo.position()), Qt::CaseInsensitive);
+ fileName.replace("<Title>", STRDEF(metaInfo.title(), tr("Unknown Title")) , Qt::CaseInsensitive);
+ fileName.replace("<Artist>", STRDEF(metaInfo.artist(), tr("Unknown Artist")), Qt::CaseInsensitive);
+ fileName.replace("<Album>", STRDEF(metaInfo.album(), tr("Unknown Album")), Qt::CaseInsensitive);
+ fileName.replace("<Year>", QString().sprintf("%04d", metaInfo.year()), Qt::CaseInsensitive);
+ fileName.replace("<Comment>", STRDEF(metaInfo.comment(), tr("Unknown Comment")), Qt::CaseInsensitive);
+ fileName = lamexp_clean_filename(fileName).simplified();
+
+ return fileName;
+}
- while(QFileInfo(tempFileName).exists())
+QString ProcessThread::generateTempFileName(void)
+{
+ bool bOkay = false;
+ QString tempFileName;
+
+ for(int i = 0; i < 4096; i++)
{
- tempFileName = QString("%1/%2.wav").arg(lamexp_temp_folder(), lamexp_rand_str());
+ tempFileName = QString("%1/%2.wav").arg(m_tempDirectory, lamexp_rand_str());
+ if(m_tempFiles.contains(tempFileName, Qt::CaseInsensitive) || QFileInfo(tempFileName).exists())
+ {
+ continue;
+ }
+
+ QFile file(tempFileName);
+ if(file.open(QFile::ReadWrite))
+ {
+ file.close();
+ bOkay = true;
+ break;
+ }
}
- QFile file(tempFileName);
- if(file.open(QFile::ReadWrite))
+ if(!bOkay)
{
- file.close();
+ qWarning("Failed to generate unique temp file name!");
+ return QString("%1/~whoops.wav").arg(m_tempDirectory);
}
m_tempFiles << tempFileName;
return tempFileName;
}
+void ProcessThread::insertDownsampleFilter(void)
+{
+ int targetSampleRate = 0;
+ int targetBitDepth = 0;
+
+ /* Adjust sample rate */
+ if(m_encoder->supportedSamplerates() && m_audioFile.techInfo().audioSamplerate())
+ {
+ bool applyDownsampling = true;
+
+ //Check if downsampling filter is already in the chain
+ for(int i = 0; i < m_filters.count(); i++)
+ {
+ if(dynamic_cast<ResampleFilter*>(m_filters.at(i)))
+ {
+ qWarning("Encoder requires downsampling, but user has already set resamling filter!");
+ handleMessage("WARNING: Encoder may need resampling, but already using resample filter. Encoding *may* fail!\n");
+ applyDownsampling = false;
+ }
+ }
+
+ //Now determine the target sample rate, if required
+ if(applyDownsampling)
+ {
+ const unsigned int *supportedRates = m_encoder->supportedSamplerates();
+ const unsigned int inputRate = m_audioFile.techInfo().audioSamplerate();
+ unsigned int currentDiff = UINT_MAX, minimumDiff = UINT_MAX, bestRate = UINT_MAX;
+
+ //Find the most suitable supported sampling rate
+ for(int i = 0; supportedRates[i]; i++)
+ {
+ currentDiff = DIFF(inputRate, supportedRates[i]);
+ if((currentDiff < minimumDiff) || ((currentDiff == minimumDiff) && (bestRate < supportedRates[i])))
+ {
+ bestRate = supportedRates[i];
+ minimumDiff = currentDiff;
+ if(!(minimumDiff > 0)) break;
+ }
+ }
+
+ if(bestRate != inputRate)
+ {
+ targetSampleRate = (bestRate != UINT_MAX) ? bestRate : supportedRates[0];
+ }
+ }
+ }
+
+ /* Adjust bit depth (word size) */
+ if(m_encoder->supportedBitdepths() && m_audioFile.techInfo().audioBitdepth())
+ {
+ const unsigned int inputBPS = m_audioFile.techInfo().audioBitdepth();
+ const unsigned int *supportedBPS = m_encoder->supportedBitdepths();
+
+ bool bAdjustBitdepth = true;
+
+ //Is the input bit depth supported exactly? (including IEEE Float)
+ for(int i = 0; supportedBPS[i]; i++)
+ {
+ if(supportedBPS[i] == inputBPS) bAdjustBitdepth = false;
+ }
+
+ if(bAdjustBitdepth)
+ {
+ unsigned int currentDiff = UINT_MAX, minimumDiff = UINT_MAX, bestBPS = UINT_MAX;
+ const unsigned int originalBPS = (inputBPS == AudioFileModel::BITDEPTH_IEEE_FLOAT32) ? 32 : inputBPS;
+
+ //Find the most suitable supported bit depth
+ for(int i = 0; supportedBPS[i]; i++)
+ {
+ if(supportedBPS[i] == AudioFileModel::BITDEPTH_IEEE_FLOAT32) continue;
+
+ currentDiff = DIFF(originalBPS, supportedBPS[i]);
+ if((currentDiff < minimumDiff) || ((currentDiff == minimumDiff) && (bestBPS < supportedBPS[i])))
+ {
+ bestBPS = supportedBPS[i];
+ minimumDiff = currentDiff;
+ if(!(minimumDiff > 0)) break;
+ }
+ }
+
+ if(bestBPS != originalBPS)
+ {
+ targetBitDepth = (bestBPS != UINT_MAX) ? bestBPS : supportedBPS[0];
+ }
+ }
+ }
+
+ /* Insert the filter */
+ if(targetSampleRate || targetBitDepth)
+ {
+ m_filters.append(new ResampleFilter(targetSampleRate, targetBitDepth));
+ }
+}
+
+void ProcessThread::insertDownmixFilter(void)
+{
+ bool applyDownmixing = true;
+
+ //Check if downmixing filter is already in the chain
+ for(int i = 0; i < m_filters.count(); i++)
+ {
+ if(dynamic_cast<DownmixFilter*>(m_filters.at(i)))
+ {
+ qWarning("Encoder requires Stereo downmix, but user has already forced downmix!");
+ handleMessage("WARNING: Encoder may need downmixning, but already using downmixning filter. Encoding *may* fail!\n");
+ applyDownmixing = false;
+ }
+ }
+
+ //Now add the downmixing filter, if needed
+ if(applyDownmixing)
+ {
+ bool requiresDownmix = true;
+ const unsigned int *supportedChannels = m_encoder->supportedChannelCount();
+ unsigned int channels = m_audioFile.techInfo().audioChannels();
+
+ for(int i = 0; supportedChannels[i]; i++)
+ {
+ if(supportedChannels[i] == channels)
+ {
+ requiresDownmix = false;
+ break;
+ }
+ }
+
+ if(requiresDownmix)
+ {
+ m_filters.append(new DownmixFilter());
+ }
+ }
+}
+
+////////////////////////////////////////////////////////////
+// PUBLIC FUNCTIONS
+////////////////////////////////////////////////////////////
+
+void ProcessThread::addFilter(AbstractFilter *filter)
+{
+ m_filters.append(filter);
+}
+
+void ProcessThread::setRenamePattern(const QString &pattern)
+{
+ QString newPattern = pattern.simplified();
+ if(!newPattern.isEmpty()) m_renamePattern = newPattern;
+}
+
+void ProcessThread::setOverwriteMode(const bool &bSkipExistingFile, const bool &bReplacesExisting)
+{
+ if(bSkipExistingFile && bReplacesExisting)
+ {
+ qWarning("Inconsistent overwrite flags -> reverting to default!");
+ m_overwriteMode = OverwriteMode_KeepBoth;
+ }
+ else
+ {
+ m_overwriteMode = OverwriteMode_KeepBoth;
+ if(bSkipExistingFile) m_overwriteMode = OverwriteMode_SkipExisting;
+ if(bReplacesExisting) m_overwriteMode = OverwriteMode_Overwrite;
+ }
+}
+
////////////////////////////////////////////////////////////
// EVENTS
////////////////////////////////////////////////////////////
-/*NONE*/
+/*NONE*/
\ No newline at end of file
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