From ef3d1d392351f5faf5c7d12e81afde5183337640 Mon Sep 17 00:00:00 2001
From: wangwenx190 <2546789017@qq.com>
Date: Sun, 30 Jul 2017 22:23:12 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DPlayer=E5=87=BA=E7=8E=B0?=
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鼠标离开TimeSlider后即删除m_preview窗口，其解码过程即刻停止，内存占用即可下降
---
 examples/player/MainWindow.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/examples/player/MainWindow.cpp b/examples/player/MainWindow.cpp
index fb7cda4cb..81a668ebf 100644
--- a/examples/player/MainWindow.cpp
+++ b/examples/player/MainWindow.cpp
@@ -1333,8 +1333,18 @@ void MainWindow::onTimeSliderHover(int pos, int value)
 
 void MainWindow::onTimeSliderLeave()
 {
-    if (m_preview && m_preview->isVisible())
-        m_preview->hide();
+    /*if (m_preview && m_preview->isVisible())
+        m_preview->hide();*/
+    if (!m_preview)
+    {
+        return;
+    }
+    if (m_preview->isVisible())
+    {
+        m_preview->close();
+    }
+    delete m_preview;
+    m_preview = nullptr;
 }
 
 void MainWindow::handleError(const AVError &e)