2 files changed, 19 insertions, 0 deletions
diff --git a/src/plugins/videonode/imx6/qsgvivantevideomaterial.cpp b/src/plugins/videonode/imx6/qsgvivantevideomaterial.cpp
index 0ed4e1adc..44f9f4d12 100644
--- a/src/plugins/videonode/imx6/qsgvivantevideomaterial.cpp
+++ b/src/plugins/videonode/imx6/qsgvivantevideomaterial.cpp
@@ -56,6 +56,9 @@
 
 QSGVivanteVideoMaterial::QSGVivanteVideoMaterial() :
     mOpacity(1.0),
+    mWidth(0),
+    mHeight(0),
+    mFormat(QVideoFrame::Format_Invalid),
     mCurrentTexture(0)
 {
 #ifdef QT_VIVANTE_VIDEO_DEBUG
@@ -147,6 +150,18 @@ GLuint QSGVivanteVideoMaterial::vivanteMapping(QVideoFrame vF)
         return 0;
     }
 
+    if (mWidth != vF.width() || mHeight != vF.height() || mFormat != vF.pixelFormat()) {
+        mWidth = vF.width();
+        mHeight = vF.height();
+        mFormat = vF.pixelFormat();
+        for (GLuint id : mBitsToTextureMap.values()) {
+#ifdef QT_VIVANTE_VIDEO_DEBUG
+            qDebug() << "delete texture: " << id;
+#endif
+            glDeleteTextures(1, &id);
+        }
+        mBitsToTextureMap.clear();
+    }
 
     if (vF.map(QAbstractVideoBuffer::ReadOnly)) {
 
diff --git a/src/plugins/videonode/imx6/qsgvivantevideomaterial.h b/src/plugins/videonode/imx6/qsgvivantevideomaterial.h
index 9d792b788..0c1c4450e 100644
--- a/src/plugins/videonode/imx6/qsgvivantevideomaterial.h
+++ b/src/plugins/videonode/imx6/qsgvivantevideomaterial.h
@@ -70,6 +70,10 @@ public:
 private:
     qreal mOpacity;
 
+    int mWidth;
+    int mHeight;
+    QVideoFrame::PixelFormat mFormat;
+
     QMap<const uchar*, GLuint> mBitsToTextureMap;
     QVideoFrame mCurrentFrame, mNextFrame;
     GLuint mCurrentTexture;