Add AudioClip placeholder. Support WebEngine if available.

mediafx/CMakeLists.txt

@@ -13,7 +13,7 @@
 # You should have received a copy of the GNU General Public License along with mediaFX.
 # If not, see <https://www.gnu.org/licenses/>.
 
-find_package(Qt6 REQUIRED COMPONENTS Core Gui Multimedia Qml Quick Quick3D)
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Multimedia Qml Quick Quick3D QUIET OPTIONAL_COMPONENTS WebEngineQuick)
 
 qt_policy(SET QTP0001 NEW)
 
@@ -23,6 +23,7 @@ qt_add_executable(mediafx
     mediafx.cpp
     render_control.cpp
     clip.cpp
+    audio_clip.cpp
     visual_clip.cpp
     video_clip.cpp
     image_clip.cpp
@@ -34,4 +35,9 @@ qt_add_qml_module(mediafx
 
 target_link_libraries(mediafx PRIVATE Qt6::Core Qt6::Gui Qt6::GuiPrivate Qt6::Multimedia Qt6::Qml Qt6::Quick Qt6::Quick3D)
 
+if(${Qt6WebEngineQuick_FOUND})
+    target_link_libraries(mediafx PRIVATE Qt6::WebEngineQuick)
+    add_definitions(-DWEBENGINEQUICK)
+endif()
+
 install(TARGETS mediafx RUNTIME DESTINATION)

mediafx/audio_clip.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2023 Andrew Wason
+ *
+ * This file is part of mediaFX.
+ *
+ * mediaFX 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 3 of the License, or (at your option) any later version.
+ *
+ * mediaFX 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with mediaFX.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "audio_clip.h"
+#include <QMediaTimeRange>
+
+bool AudioClip::active()
+{
+    // XXX
+    return false;
+}
+
+void AudioClip::setActive(bool active)
+{
+    Clip::setActive(active);
+    // XXX
+}
+
+bool AudioClip::renderClip(const QMediaTimeRange::Interval& globalTime)
+{
+    // XXX
+    return true;
+}
+
+void AudioClip::stop()
+{
+    Clip::stop();
+    // XXX
+}

mediafx/audio_clip.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 Andrew Wason
+ *
+ * This file is part of mediaFX.
+ *
+ * mediaFX 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 3 of the License, or (at your option) any later version.
+ *
+ * mediaFX 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with mediaFX.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "clip.h"
+#include <QMediaTimeRange>
+#include <QtQmlIntegration>
+
+class AudioClip : public Clip {
+    Q_OBJECT
+    QML_ELEMENT
+
+public:
+    using Clip::Clip;
+
+protected:
+    void setActive(bool active) override;
+    bool active() override;
+
+    bool renderClip(const QMediaTimeRange::Interval& globalTime) override;
+
+    virtual void stop() override;
+
+private:
+};

mediafx/main.cpp

@@ -25,6 +25,9 @@
 #include <QUrl>
 #include <QtTypes>
 #include <stdlib.h>
+#ifdef WEBENGINEQUICK
+#include <QtWebEngineQuick>
+#endif
 
 int main(int argc, char* argv[])
 {
@@ -33,6 +36,15 @@ int main(int argc, char* argv[])
         const_cast<char*>("QT_MAC_DISABLE_FOREGROUND_APPLICATION_TRANSFORM=1"));
 #endif
 
+#ifdef WEBENGINEQUICK
+#if !defined(QT_NO_OPENGL)
+    // https://doc.qt.io/qt-6/qml-qtwebengine-webengineview.html#rendering-to-opengl-surface
+    // https://doc.qt.io/qt-6/qtwebengine-overview.html#embedding-web-content-into-qt-quick-applications
+    QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts);
+#endif
+    QtWebEngineQuick::initialize();
+#endif
+
     QGuiApplication app(argc, argv);
 
     app.setOrganizationDomain("mediafx.stream");