1 /***************************************************************************
2 * Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org) *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
21 #include "renderjob.h"
23 #include <stdlib.h> // for getenv, posix portable to Windows: http://msdn.microsoft.com/en-us/library/tehxacec(VS.80).aspx
28 #include <QStringList>
31 // Can't believe I need to do this to sleep.
32 class SleepThread : QThread
35 virtual void run() {};
36 static void msleep(unsigned long msecs) {
37 QThread::msleep(msecs);
41 static QDBusConnection connection(QLatin1String(""));
43 RenderJob::RenderJob(bool erase, bool usekuiserver, const QString& renderer, const QString& profile, const QString& rendermodule, const QString& player, const QString& scenelist, const QString& dest, const QStringList& preargs, const QStringList& args, int in, int out) :
46 m_kdenliveinterface(NULL),
47 m_usekuiserver(usekuiserver),
50 m_scenelist = scenelist;
55 m_renderProcess = new QProcess;
57 // Disable VDPAU so that rendering will work even if there is a Kdenlive instance using VDPAU
58 #if QT_VERSION >= 0x040600
59 QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
60 env.insert("MLT_NO_VDPAU", "1");
61 m_renderProcess->setProcessEnvironment(env);
63 QStringList env = QProcess::systemEnvironment();
64 env << "MLT_NO_VDPAU=1";
65 m_renderProcess->setEnvironment(env);
70 if (in != -1) m_args << "in=" + QString::number(in);
71 if (out != -1) m_args << "out=" + QString::number(out);
74 //qDebug()<<"PRE ARGS: "<<preargs;
75 if (scenelist.startsWith("consumer:")) {
76 // Use MLT's producer_consumer, needs a different syntax for profile:
77 m_args << "profile=" + profile;
78 } else m_args << "-profile" << profile;
79 m_args << "-consumer" << rendermodule + ':' + m_dest << "progress=1" << args;
82 if (args.contains("pass=1")) m_dualpass = true;
84 connect(m_renderProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(slotCheckProcess(QProcess::ProcessState)));
85 m_renderProcess->setReadChannel(QProcess::StandardError);
87 m_enablelog = (getenv("KDENLIVE_RENDER_LOG") != NULL);
89 // Create a log of every render process.
90 m_logfile.setAutoRemove(false);
91 m_logfile.setFileTemplate(QDir::tempPath() + "/kdenlive_render.log.XXXXXXXX");
92 if (m_logfile.open()) {
93 qDebug() << "Writing render log to " << m_logfile.fileName();
96 qDebug() << "Unable to log to " << m_logfile.fileName();
98 m_logstream.setDevice(&m_logfile);
99 QString tmplist = scenelist;
100 if (tmplist.contains("consumer:")) {
101 QStringList tl = tmplist.split("consumer:");
102 if (tl.count() == 2) {
106 m_logstream << "Log starting. Dumping contents of " << tmplist << endl;
108 if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
109 m_logstream << "Unable to read contents of " << tmplist << endl;
112 QTextStream in(&file);
113 m_logstream << in.readAll() << endl;
119 RenderJob::~RenderJob()
121 if (m_renderProcess) delete m_renderProcess;
127 void RenderJob::slotAbort(const QString& url)
129 if (m_dest == url) slotAbort();
132 void RenderJob::slotAbort()
134 qDebug() << "Kdenlive-render: JOB ABORTED BY USER...";
135 m_renderProcess->kill();
137 if (m_kdenliveinterface) {
139 m_dbusargs.append(QString());
140 m_kdenliveinterface->callWithArgumentList(QDBus::NoBlock, "setRenderingFinished", m_dbusargs);
142 if (m_jobUiserver) m_jobUiserver->call("terminate", QString());
144 QFile f(m_scenelist);
150 m_logstream << "Job aborted by user" << endl;
157 void RenderJob::receivedStderr()
159 QString result = QString(m_renderProcess->readAllStandardError()).simplified();
160 //fprintf(stderr, "* * * *RENDER LG: %s\n", result.toUtf8().data());
161 if (!result.startsWith("Current Frame")) m_errorMessage.append(result + "<br>");
163 if (m_enablelog) m_logstream << "ReceivedStderr from melt: " << result << endl;
164 result = result.section(' ', -1);
165 int pro = result.toInt();
166 if (pro < 0 || pro > 100) return;
167 if (pro > m_progress) {
169 if (m_kdenliveinterface) {
170 if (!m_kdenliveinterface->isValid()) {
171 delete m_kdenliveinterface;
172 m_kdenliveinterface = NULL;
173 // qDebug() << "BROKEN COMMUNICATION WITH KDENLIVE";
176 m_kdenliveinterface->callWithArgumentList(QDBus::NoBlock, "setRenderingProgress", m_dbusargs);
178 } else if (pro % 5 == 0) {
179 // Try to restart communication with Kdenlive every 5 percents
180 // qDebug() << "TRYING TO RESTART COMMUNICATION WITH KDENLIVE";
181 initKdenliveDbusInterface();
185 m_jobUiserver->call("setPercent", (uint) m_progress);
186 /*int seconds = m_startTime.secsTo(QTime::currentTime());
187 seconds = seconds * (100 - m_progress) / m_progress;
188 m_jobUiserver->call("setDescriptionField", (uint) 1, tr("Remaining time"), QTime().addSecs(seconds).toString("hh:mm:ss"));*/
194 void RenderJob::start()
196 QDBusConnectionInterface* interface = QDBusConnection::sessionBus().interface();
197 if (interface && m_usekuiserver) {
198 if (!interface->isServiceRegistered("org.kde.JobViewServer")) {
199 qDebug() << "No org.kde.JobViewServer registered, trying to start kuiserver";
200 if (m_enablelog) m_logstream << "No org.kde.JobViewServer registered, trying to start kuiserver";
201 if (QProcess::startDetached("kuiserver")) {
202 qDebug() << "Started kuiserver";
203 if (m_enablelog) m_logstream << "Started kuiserver";
204 // Give it a couple of seconds to start
207 while (!interface->isServiceRegistered("org.kde.JobViewServer") && t.elapsed() < 3000) {
208 SleepThread::msleep(100); //Sleep 100 ms
211 qDebug() << "Failed to start kuiserver";
212 if (m_enablelog) m_logstream << "Failed to start kuiserver";
216 if (interface->isServiceRegistered("org.kde.JobViewServer")) {
217 QDBusInterface kuiserver("org.kde.JobViewServer", "/JobViewServer", "org.kde.JobViewServer");
218 QDBusReply<QDBusObjectPath> objectPath = kuiserver.call("requestView", "kdenlive", "kdenlive", 0x0001);
219 QString reply = ((QDBusObjectPath) objectPath).path();
220 m_jobUiserver = new QDBusInterface("org.kde.JobViewServer", reply, "org.kde.JobView");
222 m_startTime = QTime::currentTime();
223 m_jobUiserver->call("setPercent", (uint) 0);
224 m_jobUiserver->call("setInfoMessage", tr("Rendering %1").arg(QFileInfo(m_dest).fileName()));
225 //m_jobUiserver->call("setDescriptionField", (uint) 0, tr("Rendering to"), m_dest);
226 QDBusConnection::sessionBus().connect("org.kde.JobViewServer", reply, "org.kde.JobView", "cancelRequested", this, SLOT(slotAbort()));
231 initKdenliveDbusInterface();
233 // Make sure the destination file is writable
234 QFile checkDestination(m_dest);
235 if (!checkDestination.open(QIODevice::WriteOnly)) {
236 slotIsOver(QProcess::NormalExit, false);
238 checkDestination.close();
240 // Because of the logging, we connect to stderr in all cases.
241 connect(m_renderProcess, SIGNAL(readyReadStandardError()), this, SLOT(receivedStderr()));
242 m_renderProcess->start(m_prog, m_args);
243 if (m_enablelog) m_logstream << "Started render process: " << m_prog << " " << m_args.join(" ") << endl;
244 qDebug() << "Started render process: " << m_prog << " " << m_args.join(" ");
248 void RenderJob::initKdenliveDbusInterface()
251 QDBusConnection connection = QDBusConnection::sessionBus();
252 QDBusConnectionInterface* ibus = connection.interface();
253 const QStringList services = ibus->registeredServiceNames();
254 foreach(const QString & service, services) {
255 if (!service.startsWith("org.kde.kdenlive"))
257 kdenliveId = service;
261 if (kdenliveId.isEmpty()) return;
262 m_kdenliveinterface = new QDBusInterface(kdenliveId,
264 "org.kdenlive.MainWindow",
268 if (m_kdenliveinterface) {
269 m_dbusargs.append(m_dest);
270 m_dbusargs.append((int) 0);
271 m_kdenliveinterface->callWithArgumentList(QDBus::NoBlock, "setRenderingProgress", m_dbusargs);
272 connect(m_kdenliveinterface, SIGNAL(abortRenderJob(const QString&)),
273 this, SLOT(slotAbort(const QString&)));
278 void RenderJob::slotCheckProcess(QProcess::ProcessState state)
280 if (state == QProcess::NotRunning) slotIsOver(m_renderProcess->exitStatus());
285 void RenderJob::slotIsOver(QProcess::ExitStatus status, bool isWritable)
287 if (m_jobUiserver) m_jobUiserver->call("terminate", QString());
289 QString error = tr("Cannot write to %1, check the permissions.").arg(m_dest);
290 if (m_kdenliveinterface) {
291 m_dbusargs[1] = (int) - 2;
292 m_dbusargs.append(error);
293 m_kdenliveinterface->callWithArgumentList(QDBus::NoBlock, "setRenderingFinished", m_dbusargs);
296 args << "--error" << error;
297 if (m_enablelog) m_logstream << error << endl;
299 QProcess::startDetached("kdialog", args);
303 QFile f(m_scenelist);
306 if (status == QProcess::CrashExit || m_renderProcess->error() != QProcess::UnknownError) {
308 if (m_kdenliveinterface) {
309 m_dbusargs[1] = (int) - 2;
310 m_dbusargs.append(m_errorMessage);
311 m_kdenliveinterface->callWithArgumentList(QDBus::NoBlock, "setRenderingFinished", m_dbusargs);
314 QString error = tr("Rendering of %1 aborted, resulting video will probably be corrupted.").arg(m_dest);
315 args << "--error" << error;
316 if (m_enablelog) m_logstream << error << endl;
318 QProcess::startDetached("kdialog", args);
321 if (!m_dualpass && m_kdenliveinterface) {
322 m_dbusargs[1] = (int) - 1;
323 m_dbusargs.append(QString());
324 m_kdenliveinterface->callWithArgumentList(QDBus::NoBlock, "setRenderingFinished", m_dbusargs);
326 QDBusConnectionInterface* interface = QDBusConnection::sessionBus().interface();
327 if (!m_dualpass && interface && interface->isServiceRegistered("org.kde.knotify")) {
328 QDBusMessage m = QDBusMessage::createMethodCall("org.kde.knotify",
332 int seconds = m_startTime.secsTo(QTime::currentTime());
333 QList<QVariant> args;
334 args.append(QString("RenderFinished")); // action name
335 args.append(QString("kdenlive")); // app name
336 args.append(QVariantList()); // contexts
337 args.append(tr("Rendering of %1 finished in %2").arg(m_dest, QTime(0, 0, seconds).toString("hh:mm:ss"))); // body
338 args.append(QByteArray()); // app icon
339 QStringList actionList;
340 args.append(actionList); // actions
342 args.append(wid); // win id
344 m.setArguments(args);
345 QDBusMessage replyMsg = QDBusConnection::sessionBus().call(m);
347 if (m_enablelog) m_logstream << "Rendering of " << m_dest << " finished" << endl;
348 qDebug() << "Rendering of " << m_dest << " finished";
349 if (!m_dualpass && m_player != "-") {
350 if (m_enablelog) m_logstream << "Starting player" << endl;
353 QProcess::startDetached(m_player, args);
356 emit renderingFinished();
362 #include "renderjob.moc"