Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 331 insertions, 0 deletions

diff --git a/kaudiocreator/encoder.cpp b/kaudiocreator/encoder.cpp
new file mode 100644
index 00000000..5dc0ef54
--- /dev/null
+++ b/kaudiocreator/encoder.cpp
@@ -0,0 +1,331 @@
+/**
+ * This file is part of the KAudioCreator package
+ * Copyright (C) 2003 Benjamin C Meyer (ben+kaudiocreator at meyerhome dot net)
+ *
+ * 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.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "encoder.h"
+
+#include "prefs.h"
+#include "encoder_prefs.h"
+#include "encoderoutput.h"
+ 
+#include <qregexp.h>
+#include <qdir.h>
+#include <kstandarddirs.h>
+#include <kmessagebox.h>
+#include <kurl.h>
+#include <kdebug.h>
+#include <knotifyclient.h>
+#include <qtextedit.h>
+#include <kinputdialog.h>
+
+/**
+ * Constructor, load settings.
+ */
+Encoder::Encoder( QObject* parent, const char* name):QObject(parent,name),reportCount(0) {
+	loadSettings();
+}
+
+/**
+ * Load the settings for this class.
+ */
+void Encoder::loadSettings() {
+	loadEncoder(Prefs::currentEncoder());
+	// If the cpu count change then try
+	for(uint i=0; i<(uint)Prefs::numberOfCpus(); i++)
+		tendToNewJobs();
+}
+
+EncoderPrefs* Encoder::loadEncoder( int encoder ){
+	EncoderPrefs* prefs;
+	QString currentEncoderGroup = QString("Encoder_%1").arg(encoder);
+	prefs = EncoderPrefs::prefs(currentEncoderGroup);
+	if ( !EncoderPrefs::hasPrefs(currentEncoderGroup) ) {
+		KMessageBox::sorry(0, i18n("No encoder has been selected.\nPlease select an encoder in the configuration."), i18n("No Encoder Selected"));
+		prefs->setCommandLine(QString::null);
+	}
+
+	return prefs;
+}
+
+/**
+ * Deconstructor, remove pending jobs, remove current jobs.
+ */
+Encoder::~Encoder() {
+	pendingJobs.clear();
+
+	QMap<KShellProcess*, Job*>::Iterator pit;
+	for( pit = jobs.begin(); pit != jobs.end(); ++pit ) {
+		Job *job = jobs[pit.key()];
+		KShellProcess *process = pit.key();
+		threads.remove(process);
+		process->kill();
+		QFile::remove(job->newLocation);
+		delete job;
+		delete process;
+	}
+	jobs.clear();
+}
+
+/** 
+ * @return The number of active jobs
+ */
+int Encoder::activeJobCount() {
+	return jobs.count();
+}
+
+/**
+ * @return The number of pending jobs
+ */
+int Encoder::pendingJobCount() {
+	return pendingJobs.count();
+}
+
+/**
+ * Stop this job with the matching id.
+ * @param id the id number of the job to stop.
+ */
+void Encoder::removeJob(int id ) {
+	QMap<KShellProcess*, Job*>::Iterator it;
+	for( it = jobs.begin(); it != jobs.end(); ++it ) {
+		if ( it.data()->id == id ) {
+			KShellProcess *process = it.key();
+			Job *job = jobs[it.key()];
+			threads.remove(process);
+			process->kill();
+			jobs.remove(process);
+			delete job;
+			delete process;
+			break;
+		}
+	}
+	Job *job = pendingJobs.first();
+	while(job ) {
+		if ( job->id == id)
+			break;
+		job = pendingJobs.next();
+	}
+	if ( job ) {
+		pendingJobs.remove(job);
+		delete job;
+	}
+	tendToNewJobs();
+}
+
+/**
+ * Adds job to the que of jobs to encode.
+ * @param job the job to encode.
+ */
+void Encoder::encodeWav(Job *job ) {
+	emit(addJob(job, i18n("Encoding (%1): %2 - %3").arg(loadEncoder(job->encoder)->extension())
+		                                             .arg(job->track_artist).arg(job->track_title)));
+	pendingJobs.append(job);
+	tendToNewJobs();
+}
+
+/**
+ * See if there are are new jobs to attend too.	If we are all loaded up
+ * then just loop back in a few seconds and check agian.
+ */
+void Encoder::tendToNewJobs() {
+	if ( pendingJobs.count() == 0 ) {
+		emit jobsChanged();
+		return;
+	}
+
+	// If we are currently ripping the max try again in a little bit.
+	if ( (int)threads.count() >= Prefs::numberOfCpus() ) {
+		emit jobsChanged();
+		return;
+	}
+
+	Job *job = pendingJobs.first();
+	pendingJobs.remove(job);
+	
+	EncoderPrefs* prefs = loadEncoder(job->encoder);
+	
+	QString desiredFile = Prefs::fileFormat();
+	desiredFile.replace( QRegExp("~"), QDir::homeDirPath() );
+	{
+		QMap <QString,QString> map;
+		map.insert("extension", prefs->extension());
+		Job jobx = *job;
+		jobx.fix(Prefs::replaceInput(), Prefs::replaceOutput());
+		jobx.fix("/", "%2f");
+		// If the user wants anything regexp replaced do it now...
+		desiredFile = jobx.replaceSpecialChars(desiredFile, false, map);
+	}
+
+	while ( QFile::exists( desiredFile ) ) {
+		bool ok;
+		QString text = KInputDialog::getText(
+			i18n("File Already Exists"), i18n("Sorry, file already exists. Please pick a new name:"),
+			desiredFile, &ok );
+		if ( ok && !text.isEmpty() )
+		 	desiredFile = text;
+		else {	
+			emit jobsChanged();
+			updateProgress(job->id, -1);
+			return;
+		}
+	}
+	
+	int lastSlash = desiredFile.findRev('/',-1);
+	if ( lastSlash == -1 ||
+			!(KStandardDirs::makeDir( desiredFile.mid(0,lastSlash), 0775)) ) {
+		KMessageBox::sorry(0, i18n("Cannot place file, unable to make directories."), i18n("Encoding Failed"));
+		emit jobsChanged();
+		updateProgress(job->id, -1);
+		return;
+	}
+
+	job->newLocation = desiredFile;
+	reportCount = 0;
+
+	QString command = prefs->commandLine(); {
+		QMap <QString,QString> map;
+		map.insert("extension", prefs->extension());
+		map.insert("f", job->location);
+		map.insert("o", desiredFile);
+		command = job->replaceSpecialChars(command, true, map);
+	}
+
+	updateProgress(job->id, 1);
+
+	job->errorString = command;
+	KShellProcess *proc = new KShellProcess();
+	proc->setPriority(Prefs::niceLevel());
+ 
+	*proc << QFile::encodeName(command);
+	connect(proc, SIGNAL(receivedStdout(KProcess *, char *, int )),
+		    this, SLOT(receivedThreadOutput(KProcess *, char *, int )));
+	connect(proc, SIGNAL(receivedStderr(KProcess *, char *, int )),
+		    this, SLOT(receivedThreadOutput(KProcess *, char *, int )));
+	connect(proc, SIGNAL(processExited(KProcess *)), this, SLOT(jobDone(KProcess *)));
+	jobs.insert(proc, job);
+	threads.append(proc);
+
+	proc->start(KShellProcess::NotifyOnExit, KShellProcess::AllOutput);
+	emit jobsChanged();
+}
+
+/**
+ * We have received some output from a thread. See if it contains %.
+ * @param proc the process that has new output.
+ * @param buffer the output from the process
+ * @param buflen the length of the buffer.
+ */
+void Encoder::receivedThreadOutput(KProcess *process, char *buffer, int length ) {
+	if ( Prefs::fullDecoderDebug() && buffer)
+		kdDebug(60002) << buffer << endl;
+	
+	// Make sure we have a job to send an update too.
+	if(jobs.find((KShellProcess*)process) == jobs.end()){
+		kdDebug(60002) << "Encoder::receivedThreadOutput Job doesn't exists. Line: " <<  __LINE__ << endl;
+		return;
+	}
+	
+	Job *job = jobs[(KShellProcess*)process];
+
+	// Keep the output in the event it fails.
+	job->output += QString(buffer).mid(0,length); 
+
+	// Make sure the output string has a % symble in it.
+	QString output = QString(buffer).mid(0,length);
+	if ( output.find('%') == -1 && reportCount < 5 ) {
+		kdDebug(60002) << "No \'%%\' in output. Report as bug w/encoder options if progressbar doesn't fill." << endl;
+		reportCount++;
+		return;
+	}
+	//qDebug(QString("Pre cropped: %1").arg(output).latin1());
+	output = output.mid(output.find('%')-loadEncoder(job->encoder)->percentLength(),2);
+	//qDebug(QString("Post cropped: %1").arg(output).latin1());
+	bool conversionSuccessfull = false;
+	int percent = output.toInt(&conversionSuccessfull);
+	//qDebug(QString("number: %1").arg(percent).latin1());
+	if ( percent >= 0 && percent < 100 && conversionSuccessfull ) {
+		emit(updateProgress(job->id, percent));
+	}
+	// If it was just some random output that couldn't be converted then don't report the error.
+	else
+		if ( conversionSuccessfull )
+			kdWarning("Percent done:\"%d\" is not >= 0 && < 100.", percent);
+}
+
+/**
+ * When the process is done encoding a file this function is called.
+ * @param job the job that just finished.
+ */
+void Encoder::jobDone(KProcess *process ) {
+	// Normal error checking here.
+	if ( !process)
+		return;
+ 
+	//qDebug("Process exited with status: %d", process->exitStatus());
+	
+	Job *job = jobs[(KShellProcess*)process];
+	threads.remove((KShellProcess*)process);
+	jobs.remove((KShellProcess*)process);
+
+	bool showDebugBox = false;
+	if ( process->exitStatus() == 127 ) {
+		KMessageBox::sorry(0, i18n("The selected encoder was not found.\nThe wav file has been removed. Command was: %1").arg(job->errorString), i18n("Encoding Failed"));
+		emit(updateProgress(job->id, -1));
+	}
+	else if ( QFile::exists(job->newLocation) ) {
+		// fyi segfaults return 136
+		if ( process->exitStatus() != 0 ) {
+			if ( KMessageBox::questionYesNo(0, i18n("The encoder exited with a error.  Please check that the file was created.\nDo you want to see the full encoder output?"), i18n("Encoding Failed"),i18n("Show Output"),i18n("Skip Output")) == KMessageBox::Yes )
+			{
+				showDebugBox = true;
+			}
+		}
+		else{
+			//qDebug("Must be done: %d", (process->exitStatus()));
+			emit(updateProgress(job->id, 100));
+			KNotifyClient::event("track encoded");
+			if ( job->lastSongInAlbum)
+				KNotifyClient::event("cd encoded");
+		}
+	}
+	else
+	{
+		if ( KMessageBox::questionYesNo(0, i18n("The encoded file was not created.\nPlease check the encoder options.\nThe wav file has been removed.\nDo you want to see the full encoder output?"), i18n("Encoding Failed"),i18n("Show Output"),i18n("Skip Output")) == KMessageBox::Yes )
+		{
+			showDebugBox = true;
+		}
+		emit( updateProgress( job->id, -1 ) );
+	}
+
+	if ( job->removeTempFile )
+		QFile::remove( job->location );
+
+	if( showDebugBox ){
+		EncoderOutput dlg( 0, "Encoder Output" );
+		job->output = job->errorString + "\n\n\n" + job->output;
+		dlg.output->setText(job->output);
+		dlg.exec();
+	}
+
+	delete job;
+	delete process;
+	tendToNewJobs();
+}
+
+#include "encoder.moc"
+