Integrate with the required MLT hooks for getting Movit to work.

[kdenlive] / plugins / sampleplugin / sampleplugin.cpp

diff --git a/plugins/sampleplugin/sampleplugin.cpp b/plugins/sampleplugin/sampleplugin.cpp
index 1cdcf6809e53f7e715916c6a8576240c299dd8cd..3c27a26d2344cd988cfddd16510dc33e88b13f7f 100644 (file)
--- a/plugins/sampleplugin/sampleplugin.cpp
+++ b/plugins/sampleplugin/sampleplugin.cpp
@@ -21,100 +21,101 @@
 #include "sampleplugin.h"
 #include "ui_countdown_ui.h"
 
-#include <KUrlRequester>
-#include <KIntSpinBox>
 #include <KDebug>
 #include <KMessageBox>
+#include <KApplication>
 
 #include <QDialog>
-#include <QDomDocument>
-#include <QInputDialog>
+#include <QProcess>
 
-QStringList SamplePlugin::generators(const QStringList producers) const
+QStringList SamplePlugin::generators(const QStringList &producers) const
 {
     QStringList result;
-    if (producers.contains("pango")) result << i18n("Countdown");
-    if (producers.contains("noise")) result << i18n("Noise");
+    if (producers.contains(QLatin1String("pango"))) result << i18n("Countdown");
+    if (producers.contains(QLatin1String("noise"))) result << i18n("Noise");
     return result;
 }
 
 
-KUrl SamplePlugin::generatedClip(const QString &generator, const KUrl &projectFolder, const QStringList &/*lumaNames*/, const QStringList &/*lumaFiles*/, const double fps, const int /*width*/, const int height)
+KUrl SamplePlugin::generatedClip(const QString &renderer, const QString &generator, const KUrl &projectFolder, const QStringList &/*lumaNames*/, const QStringList &/*lumaFiles*/, const double fps, const int /*width*/, const int height)
 {
     QString prePath;
     if (generator == i18n("Noise")) {
-        prePath = projectFolder.path() + "/noise";
-    } else prePath = projectFolder.path() + "/counter";
+        prePath = projectFolder.path() + QLatin1String("/noise");
+    } else prePath = projectFolder.path() + QLatin1String("/counter");
     int ct = 0;
-    QString counter = QString::number(ct).rightJustified(5, '0', false);
-    while (QFile::exists(prePath + counter + ".mlt")) {
+    QString counter = QString::number(ct).rightJustified(5, QLatin1Char('0'), false);
+    while (QFile::exists(prePath + counter + QLatin1String(".mlt"))) {
         ct++;
-        counter = QString::number(ct).rightJustified(5, '0', false);
+        counter = QString::number(ct).rightJustified(5, QLatin1Char('0'), false);
     }
     QPointer<QDialog> d = new QDialog;
     Ui::CountDown_UI view;
     view.setupUi(d);
     if (generator == i18n("Noise")) {
-        d->setWindowTitle(tr("Create Noise Clip"));
+        d->setWindowTitle(i18n("Create Noise Clip"));
         view.font_label->setHidden(true);
         view.font->setHidden(true);
     } else {
-        d->setWindowTitle(tr("Create Countdown Clip"));
+        d->setWindowTitle(i18n("Create Countdown Clip"));
         view.font->setValue(height);
     }
 
     // Set single file mode. Default seems to be File::ExistingOnly.
     view.path->setMode(KFile::File);
 
-    QString clipFile = prePath + counter + ".mlt";
+    QString clipFile = prePath + counter + QLatin1String(".mlt");
     view.path->setUrl(KUrl(clipFile));
+    KUrl result;
+    
     if (d->exec() == QDialog::Accepted) {
-        QDomDocument doc;
-        QDomElement mlt = doc.createElement("mlt");
-        QDomElement playlist = doc.createElement("playlist");
+        QProcess generatorProcess;
+
+        // Disable VDPAU so that rendering will work even if there is a Kdenlive instance using VDPAU
+#if QT_VERSION >= 0x040600
+        QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+        env.insert(QLatin1String("MLT_NO_VDPAU"), QLatin1String("1"));
+        generatorProcess.setProcessEnvironment(env);
+#else
+        QStringList env = QProcess::systemEnvironment();
+        env << QLatin1String("MLT_NO_VDPAU=1");
+        generatorProcess.setEnvironment(env);
+#endif
+        QStringList args;
         if (generator == i18n("Noise")) {
-            QDomElement prod = doc.createElement("producer");
-            prod.setAttribute("mlt_service", "noise");
-            prod.setAttribute("in", "0");
-            prod.setAttribute("out", QString::number((int) fps * view.duration->value()));
-            playlist.appendChild(prod);
-        } else {
+            args << QLatin1String("noise:") << QLatin1String("in=0") << QLatin1String("out=") + QString::number((int) fps * view.duration->value());
+        }
+        else {
+            // Countdown producer
             for (int i = 0; i < view.duration->value(); i++) {
                 // Create the producers
-                QDomElement prod = doc.createElement("producer");
-                prod.setAttribute("mlt_service", "pango");
-                prod.setAttribute("in", "0");
-                prod.setAttribute("out", QString::number((int) fps));
-                prod.setAttribute("text", QString::number(view.duration->value() - i));
-                //FIXME: the font and pad values are approximate, the pango producer seems unable
-                // to produce a predictable frame size.
-                prod.setAttribute("font", QString::number(view.font->value()) + "px");
-                //prod.setAttribute("pad", 50);
-                playlist.appendChild(prod);
+                args << QLatin1String("pango:") << QLatin1String("in=0") << QLatin1String("out=") + QString::number((int) fps * view.duration->value());
+                args << QLatin1String("text=") + QString::number(view.duration->value() - i);
+                args << QLatin1String("font=") + QString::number(view.font->value()) + QLatin1String("px");
             }
         }
-        mlt.appendChild(playlist);
-        doc.appendChild(mlt);
-        QFile file(view.path->url().path());
-        if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
-            kWarning() << "//////  ERROR writing to file: " << view.path->url().path();
-            KMessageBox::error(0, i18n("Cannot write to file %1", view.path->url().path()));
-            delete d;
-            return KUrl();
-        }
-        QTextStream out(&file);
-        out << doc.toString();
-        if (file.error() != QFile::NoError) {
-            KMessageBox::error(0, i18n("Cannot write to file %1", view.path->url().path()));
-            file.close();
-            delete d;
-            return KUrl();
+
+        args << QLatin1String("-consumer")<<QString::fromLatin1("xml:%1").arg(view.path->url().path());
+        generatorProcess.start(renderer, args);
+        if (generatorProcess.waitForFinished()) {
+            if (generatorProcess.exitStatus() == QProcess::CrashExit) {
+                kDebug() << "/// Generator failed: ";
+                QString error = QString::fromLocal8Bit(generatorProcess.readAllStandardError());
+                KMessageBox::sorry(kapp->activeWindow(), i18n("Failed to generate clip:\n%1", error, i18n("Generator Failed")));
+            }
+            else {
+                result = view.path->url();
+            }
+        } else {
+            kDebug() << "/// Generator failed: ";
+            QString error = QString::fromLocal8Bit(generatorProcess.readAllStandardError());
+            KMessageBox::sorry(kapp->activeWindow(), i18n("Failed to generate clip:\n%1", error, i18n("Generator Failed")));
         }
-        file.close();
-       delete d;
-        return view.path->url();
     }
-    return KUrl();
+    delete d;
+    return result;
 }
 
 Q_EXPORT_PLUGIN2(kdenlive_sampleplugin, SamplePlugin)
+
+#include "sampleplugin.moc"