95bd9d58d8
Reuse existing code from the WMF plugin, which already uses the EVR. This enables HW-accelerated video decoding when using QMediaPlayer with a QVideoWidget. Task-number: QTBUG-45593 Change-Id: I757e4d53cd2c648aee6ba33a4851a8c6adc62843 Reviewed-by: Christian Stromme <christian.stromme@theqtcompany.com>
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** GNU Lesser General Public License Usage
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**
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****************************************************************************/
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#include "mfevrvideowindowcontrol.h"
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#include <qdebug.h>
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MFEvrVideoWindowControl::MFEvrVideoWindowControl(QObject *parent)
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: EvrVideoWindowControl(parent)
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, m_currentActivate(NULL)
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, m_evrSink(NULL)
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{
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}
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MFEvrVideoWindowControl::~MFEvrVideoWindowControl()
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{
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clear();
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}
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void MFEvrVideoWindowControl::clear()
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{
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setEvr(NULL);
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if (m_evrSink)
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m_evrSink->Release();
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if (m_currentActivate) {
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m_currentActivate->ShutdownObject();
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m_currentActivate->Release();
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}
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m_evrSink = NULL;
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m_currentActivate = NULL;
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}
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IMFActivate* MFEvrVideoWindowControl::createActivate()
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{
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clear();
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if (FAILED(MFCreateVideoRendererActivate(0, &m_currentActivate))) {
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qWarning() << "Failed to create evr video renderer activate!";
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return NULL;
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}
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if (FAILED(m_currentActivate->ActivateObject(IID_IMFMediaSink, (LPVOID*)(&m_evrSink)))) {
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qWarning() << "Failed to activate evr media sink!";
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return NULL;
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}
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if (!setEvr(m_evrSink))
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return NULL;
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return m_currentActivate;
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}
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void MFEvrVideoWindowControl::releaseActivate()
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{
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clear();
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}
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