Revision control
- // Copyright (C) 2016 The Qt Company Ltd.
- // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
-
- #include "mfevrvideowindowcontrol_p.h"
-
- #include <qdebug.h>
-
- QT_BEGIN_NAMESPACE
-
- MFEvrVideoWindowControl::MFEvrVideoWindowControl(QVideoSink *parent)
- : EvrVideoWindowControl(parent)
- , m_currentActivate(NULL)
- , m_evrSink(NULL)
- {
- }
-
- MFEvrVideoWindowControl::~MFEvrVideoWindowControl()
- {
- clear();
- }
-
- void MFEvrVideoWindowControl::clear()
- {
- setEvr(NULL);
-
- if (m_evrSink)
- m_evrSink->Release();
- if (m_currentActivate) {
- m_currentActivate->ShutdownObject();
- m_currentActivate->Release();
- }
- m_evrSink = NULL;
- m_currentActivate = NULL;
- }
-
- IMFActivate* MFEvrVideoWindowControl::createActivate()
- {
- clear();
-
- if (FAILED(MFCreateVideoRendererActivate(0, &m_currentActivate))) {
- qWarning() << "Failed to create evr video renderer activate!";
- return NULL;
- }
- if (FAILED(m_currentActivate->ActivateObject(IID_IMFMediaSink, (LPVOID*)(&m_evrSink)))) {
- qWarning() << "Failed to activate evr media sink!";
- return NULL;
- }
- if (!setEvr(m_evrSink))
- return NULL;
-
- return m_currentActivate;
- }
-
- void MFEvrVideoWindowControl::releaseActivate()
- {
- clear();
- }
-
- QT_END_NAMESPACE