From 8e8dab7a4d47eb62603de6aa872a98ca46cd0cef Mon Sep 17 00:00:00 2001
From: Marco Felsch <m.felsch@pengutronix.de>
Date: Wed, 31 Mar 2021 10:52:14 +0200
Subject: [PATCH] qmlglsink: allow to set force-aspect-ratio property

Add the forceAspectRatio Q_PROPERTY to allow changing the aspect ratio
from QML code as well.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/937>
---
 ext/qt/qtitem.cc | 2 ++
 ext/qt/qtitem.h  | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/ext/qt/qtitem.cc b/ext/qt/qtitem.cc
index da2b701908..5b23714c9d 100644
--- a/ext/qt/qtitem.cc
+++ b/ext/qt/qtitem.cc
@@ -184,6 +184,8 @@ void
 QtGLVideoItem::setForceAspectRatio(bool force_aspect_ratio)
 {
   this->priv->force_aspect_ratio = !!force_aspect_ratio;
+
+  emit forceAspectRatioChanged(force_aspect_ratio);
 }
 
 bool
diff --git a/ext/qt/qtitem.h b/ext/qt/qtitem.h
index 065d043eaf..f2f67f7e8d 100644
--- a/ext/qt/qtitem.h
+++ b/ext/qt/qtitem.h
@@ -68,6 +68,10 @@ class QtGLVideoItem : public QQuickItem, protected QOpenGLFunctions
     Q_PROPERTY(bool itemInitialized
                READ itemInitialized
                NOTIFY itemInitializedChanged)
+    Q_PROPERTY(bool forceAspectRatio
+               READ getForceAspectRatio
+               WRITE setForceAspectRatio
+               NOTIFY forceAspectRatioChanged)
 
 public:
     QtGLVideoItem();
@@ -85,6 +89,7 @@ public:
 
 Q_SIGNALS:
     void itemInitializedChanged();
+    void forceAspectRatioChanged(bool);
 
 private Q_SLOTS:
     void handleWindowChanged(QQuickWindow * win);