The video displayed on the win7 Intel (R) G41 express chipset graphics card is ghosted

[fahaxikili]

QtAV, Qt version and platform

or commit id if not using release version

Reproduction steps

Expected behavior

Actual behavior

Log file

set environment var QTAV_LOG=all or C++ api QtAV::setLogLevel(All) to enable log.

For Player and QMLPlayer example app, choose log level all in config page.

Sample files (optional)