From 556fa071219cb26f79bc40a641aeb3be05846b27 Mon Sep 17 00:00:00 2001
From: Yoann Lopes <yoann.lopes@theqtcompany.com>
Date: Sat, 31 Oct 2015 19:28:23 +0100
Subject: [PATCH] DirectShow: clear current video frame when stopping.

Change-Id: I063d8a1b95f3d751f55dfce7fa2cb749177dc906
Reviewed-by: Christian Stromme <christian.stromme@theqtcompany.com>
---
 src/plugins/directshow/player/videosurfacefilter.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/plugins/directshow/player/videosurfacefilter.cpp b/src/plugins/directshow/player/videosurfacefilter.cpp
index 51151b16..901d2e90 100644
--- a/src/plugins/directshow/player/videosurfacefilter.cpp
+++ b/src/plugins/directshow/player/videosurfacefilter.cpp
@@ -147,6 +147,14 @@ HRESULT VideoSurfaceFilter::Stop()
 
     m_sampleScheduler.stop();
 
+    if (thread() == QThread::currentThread()) {
+        flush();
+    } else {
+        QMutexLocker locker(&m_mutex);
+        m_loop->postEvent(this, new QEvent(QEvent::Type(FlushSurface)));
+        m_wait.wait(&m_mutex);
+    }
+
     return S_OK;
 }