Qml videowidget

CMakeLists.txt

@@ -50,6 +50,9 @@ find_package(Qt6 6.4 REQUIRED
   Widgets
   Xml
 )
+if(NOT APPLE)
+  find_package(Qt6 6.4 REQUIRED GuiPrivate)
+endif()
 if(UNIX AND NOT APPLE)
   find_package(Qt6 6.4 REQUIRED COMPONENTS DBus)
   # X11 for WindowPicker (Linux/X11)
@@ -66,6 +69,9 @@ endif()
 add_subdirectory(CuteLogger)
 add_subdirectory(src)
 add_subdirectory(translations)
+if(UNIX AND NOT APPLE)
+  add_subdirectory(MinimalMediaBackend)
+endif()
 
 feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
 

MinimalMediaBackend/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.12...3.31)
+
+project(MinimalMediaBackend)
+
+find_package(Qt6 REQUIRED COMPONENTS Core Multimedia)
+find_package(Qt6MultimediaPrivate REQUIRED)
+
+qt_add_plugin(minimalmediaplugin
+  CLASS_NAME MinimalMediaPlugin
+  PLUGIN_TYPE multimedia
+  OUTPUT_TARGETS minimalmediaplugin_targets
+  minimalmediaplugin.cpp
+)
+
+target_link_libraries(minimalmediaplugin PRIVATE
+  Qt6::Core
+  Qt6::Multimedia
+  Qt6::MultimediaPrivate
+)

MinimalMediaBackend/minimalmediaplugin.cpp

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2026 Meltytech, LLC
+ *
+ * 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <private/qplatformmediaplugin_p.h>
+#include <private/qplatformmediaintegration_p.h>
+#include <private/qplatformvideosink_p.h>
+
+QT_BEGIN_NAMESPACE
+
+// Minimal QPlatformVideoSink — the base class does all the work
+class MinimalVideoSink : public QPlatformVideoSink
+{
+    Q_OBJECT
+public:
+    explicit MinimalVideoSink(QVideoSink *sink)
+        : QPlatformVideoSink(sink)
+    {}
+};
+
+// Minimal integration — only creates video sinks
+class MinimalMediaIntegration : public QPlatformMediaIntegration
+{
+public:
+    MinimalMediaIntegration()
+        : QPlatformMediaIntegration(QLatin1String("minimal"))
+    {}
+
+#if QT_VERSION >= QT_VERSION_CHECK(6, 9, 0)
+    q23::expected<QPlatformVideoSink *, QString> createVideoSink(QVideoSink *sink) override
+    {
+        return new MinimalVideoSink(sink);
+    }
+#else
+    QMaybe<QPlatformVideoSink *> createVideoSink(QVideoSink *sink) override
+    {
+        return new MinimalVideoSink(sink);
+    }
+#endif
+};
+
+// Plugin entry point
+class MinimalMediaPlugin : public QPlatformMediaPlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID QPlatformMediaPlugin_iid FILE "minimalmediaplugin.json")
+
+public:
+    MinimalMediaPlugin(QObject *parent = nullptr)
+        : QPlatformMediaPlugin(parent)
+    {}
+
+    QPlatformMediaIntegration *create(const QString &key) override
+    {
+        if (key == QLatin1String("minimal"))
+            return new MinimalMediaIntegration;
+        return nullptr;
+    }
+};
+
+QT_END_NAMESPACE
+
+#include "minimalmediaplugin.moc"

MinimalMediaBackend/minimalmediaplugin.json

@@ -0,0 +1,3 @@
+{
+    "Keys": ["minimal"]
+}

scripts/build-shotcut-msys2.sh

@@ -1240,7 +1240,7 @@ function deploy
 
   log Copying some libs from Qt
   if [ "$DEBUG_BUILD" != "1" -o "$SDK" = "1" ]; then
-    cmd cp -p "$QTDIR"/bin/Qt6{Charts,Concurrent,Core,Core5Compat,Gui,Multimedia,Network,OpenGL,OpenGLWidgets,Qml,QmlMeta,QmlModels,QmlWorkerScript,Quick,QuickControls2*,QuickDialogs2,QuickDialogs2QuickImpl,QuickDialogs2Utils,QuickLayouts,QuickTemplates2,QuickWidgets,Sql,Svg,SvgWidgets,UiTools,WebSockets,Widgets,Xml}.dll .
+    cmd cp -p "$QTDIR"/bin/Qt6{Charts,Concurrent,Core,Core5Compat,Gui,Multimedia,MultimediaQuick,Network,OpenGL,OpenGLWidgets,Qml,QmlMeta,QmlModels,QmlWorkerScript,Quick,QuickControls2*,QuickDialogs2,QuickDialogs2QuickImpl,QuickDialogs2Utils,QuickLayouts,QuickShapes,QuickTemplates2,QuickWidgets,Sql,Svg,SvgWidgets,UiTools,WebSockets,Widgets,Xml}.dll .
   fi
 
   if [ "$ENABLE_GLAXNIMATE" = "1" ]; then

scripts/build-shotcut.sh

@@ -1202,13 +1202,15 @@ function install_shotcut_linux {
   cmd install -p -c COPYING "$FINAL_INSTALL_DIR"
   cmd install -p -c "$QTDIR"/translations/qt_*.qm "$FINAL_INSTALL_DIR"/share/shotcut/translations
   cmd install -p -c "$QTDIR"/translations/qtbase_*.qm "$FINAL_INSTALL_DIR"/share/shotcut/translations
-  cmd install -p -c "$QTDIR"/lib/libQt6{Charts,Concurrent,Core,Core5Compat,DBus,Gui,LabsFolderListModel,Multimedia,Network,OpenGL,OpenGLWidgets,Qml,QmlMeta,QmlModels,QmlWorkerScript,Quick,QuickControls2*,QuickDialogs2,QuickDialogs2QuickImpl,QuickDialogs2Utils,QuickLayouts,QuickTemplates2,QuickWidgets,Sql,Svg,SvgWidgets,UiTools,WaylandClient,WaylandEglClientHwIntegration,WebSockets,Widgets,Xml,X11Extras,XcbQpa}.so.6 "$FINAL_INSTALL_DIR"/lib
+  cmd install -p -c "$QTDIR"/lib/libQt6{Charts,Concurrent,Core,Core5Compat,DBus,Gui,LabsFolderListModel,Multimedia,MultimediaQuick,Network,OpenGL,OpenGLWidgets,Qml,QmlMeta,QmlModels,QmlWorkerScript,Quick,QuickControls2*,QuickDialogs2,QuickDialogs2QuickImpl,QuickDialogs2Utils,QuickLayouts,QuickShapes,QuickTemplates2,QuickWidgets,Sql,Svg,SvgWidgets,UiTools,WaylandClient,WaylandEglClientHwIntegration,WebSockets,Widgets,Xml,X11Extras,XcbQpa}.so.6 "$FINAL_INSTALL_DIR"/lib
   cmd install -p -c "$QTDIR"/lib/lib{icudata,icui18n,icuuc}.so* "$FINAL_INSTALL_DIR"/lib
   cmd install -d "$FINAL_INSTALL_DIR"/lib/qt6/sqldrivers
   cmd cp -a "$QTDIR"/plugins/{egldeviceintegrations,generic,iconengines,imageformats,multimedia,platforminputcontexts,platforms,platformthemes,tls,wayland-decoration-client,wayland-graphics-integration-client,wayland-shell-integration,xcbglintegrations} "$FINAL_INSTALL_DIR"/lib/qt6
   cmd cp -p "$QTDIR"/plugins/sqldrivers/libqsqlite.so "$FINAL_INSTALL_DIR"/lib/qt6/sqldrivers
   cmd install -d "$FINAL_INSTALL_DIR"/lib/qml
   cmd cp -a "$QTDIR"/qml/{Qt,QtCore,QtQml,QtQuick} "$FINAL_INSTALL_DIR"/lib/qml
+  cmd install -d "$FINAL_INSTALL_DIR"/lib/qt6/multimedia
+  cmd cp -p MinimalMediaBackend/libminimalmediaplugin.so "$FINAL_INSTALL_DIR"/lib/qt6/multimedia
 }
 
 function build_vmaf_darwin {

src/CMakeLists.txt

@@ -146,6 +146,7 @@ add_executable(shotcut WIN32 MACOSX_BUNDLE
   transportcontrol.h
   util.cpp util.h
   videowidget.cpp videowidget.h
+  hdrpreviewwindow.cpp hdrpreviewwindow.h
   widgets/alsawidget.cpp widgets/alsawidget.h
   widgets/alsawidget.ui
   widgets/audiometerwidget.cpp widgets/audiometerwidget.h
@@ -266,12 +267,29 @@ add_custom_target(OTHER_FILES
   ../scripts/staple.sh
 )
 
+# Compile HDR gain shader (used by HdrPreview.qml ShaderEffect)
+find_program(QSB_EXECUTABLE qsb HINTS
+  "${Qt6_DIR}/../../../bin" "${Qt6Core_DIR}/../../../bin")
+if(QSB_EXECUTABLE)
+  set(HDR_GAIN_FRAG ${CMAKE_CURRENT_SOURCE_DIR}/qml/views/hdr_gain.frag)
+  set(HDR_GAIN_QSB ${CMAKE_CURRENT_SOURCE_DIR}/qml/views/hdr_gain.frag.qsb)
+  add_custom_command(
+    OUTPUT ${HDR_GAIN_QSB}
+    COMMAND ${QSB_EXECUTABLE} --glsl "100 es,120,150" --hlsl 50 --msl 12 -o ${HDR_GAIN_QSB} ${HDR_GAIN_FRAG}
+    DEPENDS ${HDR_GAIN_FRAG}
+    COMMENT "Compiling HDR gain shader"
+  )
+  add_custom_target(hdr_shaders ALL DEPENDS ${HDR_GAIN_QSB})
+  add_dependencies(shotcut hdr_shaders)
+endif()
+
 target_link_libraries(shotcut
   PRIVATE
   CuteLogger
   PkgConfig::mlt++
   PkgConfig::FFTW
   Qt6::Charts
+  Qt6::GuiPrivate
   Qt6::Multimedia
   Qt6::Network
   Qt6::OpenGL
@@ -310,9 +328,7 @@ if(WIN32)
 
   # Windows integration features
   target_sources(shotcut PRIVATE windowstools.cpp windowstools.h)
-  target_sources(shotcut PRIVATE widgets/d3dvideowidget.h widgets/d3dvideowidget.cpp)
-  target_sources(shotcut PRIVATE widgets/openglvideowidget.h widgets/openglvideowidget.cpp)
-  target_link_libraries(shotcut PRIVATE d3d11 d3dcompiler ole32)
+  target_link_libraries(shotcut PRIVATE ole32)
 
   # Runtime exception handler for debug only
   if(CMAKE_SYSTEM_PROCESSOR STREQUAL "AMD64")
@@ -331,13 +347,10 @@ if(WIN32)
   install(DIRECTORY qml DESTINATION ${CMAKE_INSTALL_PREFIX}/share/shotcut/)
   install(DIRECTORY ${CMAKE_SOURCE_DIR}/filter-sets DESTINATION ${CMAKE_INSTALL_PREFIX}/share/shotcut/)
   install(DIRECTORY ${CMAKE_SOURCE_DIR}/voices DESTINATION ${CMAKE_INSTALL_PREFIX}/share/shotcut/)
-else()
-    target_sources(shotcut PRIVATE widgets/openglvideowidget.h widgets/openglvideowidget.cpp)
 endif()
 
 if(APPLE)
-  target_sources(shotcut PRIVATE macos.mm macos.h
-    widgets/metalvideowidget.h widgets/metalvideowidget.mm)
+  target_sources(shotcut PRIVATE macos.mm macos.h)
   set_target_properties(shotcut PROPERTIES
     OUTPUT_NAME "Shotcut"
     MACOSX_BUNDLE_INFO_PLIST ${CMAKE_SOURCE_DIR}/packaging/macos/Info.plist.in)