diff options
Diffstat (limited to 'src/3rdparty/phonon/ds9/videorenderer_evr.cpp')
| -rw-r--r-- | src/3rdparty/phonon/ds9/videorenderer_evr.cpp | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/ds9/videorenderer_evr.cpp b/src/3rdparty/phonon/ds9/videorenderer_evr.cpp new file mode 100644 index 0000000..3c6ee0d --- /dev/null +++ b/src/3rdparty/phonon/ds9/videorenderer_evr.cpp @@ -0,0 +1,197 @@ +/* This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include "videorenderer_evr.h"
+
+#ifndef QT_NO_PHONON_VIDEO
+
+#include <QtGui/QWidget>
+#include <QtGui/QPainter>
+#include <QtCore/QTimerEvent>
+
+#include <d3d9.h>
+#include <Evr9.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+ namespace DS9
+ {
+ VideoRendererEVR::~VideoRendererEVR()
+ {
+ }
+
+ bool VideoRendererEVR::isNative() const
+ {
+ return true;
+ }
+
+ VideoRendererEVR::VideoRendererEVR(QWidget *target) : m_target(target)
+ {
+ m_filter = Filter(CLSID_EnhancedVideoRenderer, IID_IBaseFilter);
+ if (!m_filter) {
+ qWarning("the video widget could not be initialized correctly");
+ return;
+ }
+
+ ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+
+ filterControl->SetVideoWindow(reinterpret_cast<HWND>(target->winId()));
+ filterControl->SetAspectRatioMode(MFVideoARMode_None); // We're in control of the size
+ }
+
+ QImage VideoRendererEVR::snapshot() const
+ {
+ // TODO test
+ // This will always capture black areas where no video is drawn, if any are present.
+ // Due to the hack in notifyResize()
+ ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+ if (filterControl) {
+ BITMAPINFOHEADER bmi;
+ BYTE *buffer = 0;
+ DWORD bufferSize;
+ LONGLONG timeStamp;
+
+ bmi.biSize = sizeof(BITMAPINFOHEADER);
+
+ HRESULT hr = filterControl->GetCurrentImage(&bmi, &buffer, &bufferSize, &timeStamp);
+ if (SUCCEEDED(hr)) {
+
+ const int w = qAbs(bmi.biWidth),
+ h = qAbs(bmi.biHeight);
+
+ // Create image and copy data into image.
+ QImage ret(w, h, QImage::Format_RGB32);
+
+ if (!ret.isNull()) {
+ uchar *data = buffer;
+ const int bytes_per_line = w * sizeof(QRgb);
+ for (int y = h - 1; y >= 0; --y) {
+ qMemCopy(ret.scanLine(y), //destination
+ data, //source
+ bytes_per_line);
+ data += bytes_per_line;
+ }
+ }
+ ::CoTaskMemFree(buffer);
+ return ret;
+ }
+ }
+ return QImage();
+ }
+
+ QSize VideoRendererEVR::videoSize() const
+ {
+ SIZE nativeSize;
+ SIZE aspectRatioSize;
+
+ ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+
+ filterControl->GetNativeVideoSize(&nativeSize, &aspectRatioSize);
+
+ return QSize(nativeSize.cx, nativeSize.cy);
+ }
+
+ void VideoRendererEVR::repaintCurrentFrame(QWidget *target, const QRect &rect)
+ {
+ // repaint the video
+ ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+ // All failed results can be safely ignored
+ filterControl->RepaintVideo();
+ }
+
+ void VideoRendererEVR::notifyResize(const QSize &size, Phonon::VideoWidget::AspectRatio aspectRatio,
+ Phonon::VideoWidget::ScaleMode scaleMode)
+ {
+ if (!isActive()) {
+ RECT dummyRect = { 0, 0, 0, 0};
+ ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+ filterControl->SetVideoPosition(0, &dummyRect);
+ return;
+ }
+
+ const QSize vsize = videoSize();
+ internalNotifyResize(size, vsize, aspectRatio, scaleMode);
+
+ RECT dstRectWin = { 0, 0, size.width(), size.height()};
+
+ // Resize the Stream output rect instead of the destination rect.
+ // Hacky workaround for flicker in the areas outside of the destination rect
+ // This way these areas don't exist
+ MFVideoNormalizedRect streamOutputRect = { float(m_dstX) / float(size.width()), float(m_dstY) / float(size.height()),
+ float(m_dstWidth + m_dstX) / float(size.width()), float(m_dstHeight + m_dstY) / float(size.height())};
+
+ ComPointer<IMFVideoMixerControl> filterMixer = getService<IMFVideoMixerControl>(MR_VIDEO_MIXER_SERVICE, IID_IMFVideoMixerControl);
+ ComPointer<IMFVideoDisplayControl> filterControl = getService<IMFVideoDisplayControl>(MR_VIDEO_RENDER_SERVICE, IID_IMFVideoDisplayControl);
+
+ filterMixer->SetStreamOutputRect(0, &streamOutputRect);
+ filterControl->SetVideoPosition(0, &dstRectWin);
+ }
+
+ void VideoRendererEVR::applyMixerSettings(qreal brightness, qreal contrast, qreal hue, qreal saturation)
+ {
+ InputPin sink = BackendNode::pins(m_filter, PINDIR_INPUT).first();
+ OutputPin source;
+ if (FAILED(sink->ConnectedTo(source.pparam()))) {
+ return; //it must be connected to work
+ }
+
+ // Get the "Video Processor" (used for brightness/contrast/saturation/hue)
+ ComPointer<IMFVideoProcessor> processor = getService<IMFVideoProcessor>(MR_VIDEO_MIXER_SERVICE, IID_IMFVideoProcessor);
+ Q_ASSERT(processor);
+
+ DXVA2_ValueRange contrastRange;
+ DXVA2_ValueRange brightnessRange;
+ DXVA2_ValueRange saturationRange;
+ DXVA2_ValueRange hueRange;
+
+ if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Contrast, &contrastRange)))
+ return;
+ if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Brightness, &brightnessRange)))
+ return;
+ if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Saturation, &saturationRange)))
+ return;
+ if (FAILED(processor->GetProcAmpRange(DXVA2_ProcAmp_Hue, &hueRange)))
+ return;
+
+ DXVA2_ProcAmpValues values;
+
+ values.Contrast = DXVA2FloatToFixed(((contrast < 0
+ ? DXVA2FixedToFloat(contrastRange.MinValue) : DXVA2FixedToFloat(contrastRange.MaxValue))
+ - DXVA2FixedToFloat(contrastRange.DefaultValue)) * qAbs(contrast) + DXVA2FixedToFloat(contrastRange.DefaultValue));
+ values.Brightness = DXVA2FloatToFixed(((brightness < 0
+ ? DXVA2FixedToFloat(brightnessRange.MinValue) : DXVA2FixedToFloat(brightnessRange.MaxValue))
+ - DXVA2FixedToFloat(brightnessRange.DefaultValue)) * qAbs(brightness) + DXVA2FixedToFloat(brightnessRange.DefaultValue));
+ values.Saturation = DXVA2FloatToFixed(((saturation < 0
+ ? DXVA2FixedToFloat(saturationRange.MinValue) : DXVA2FixedToFloat(saturationRange.MaxValue))
+ - DXVA2FixedToFloat(saturationRange.DefaultValue)) * qAbs(saturation) + DXVA2FixedToFloat(saturationRange.DefaultValue));
+ values.Hue = DXVA2FloatToFixed(((hue < 0
+ ? DXVA2FixedToFloat(hueRange.MinValue) : DXVA2FixedToFloat(hueRange.MaxValue))
+ - DXVA2FixedToFloat(hueRange.DefaultValue)) * qAbs(hue) + DXVA2FixedToFloat(hueRange.DefaultValue));
+
+ //finally set the settings
+ processor->SetProcAmpValues(DXVA2_ProcAmp_Contrast | DXVA2_ProcAmp_Brightness | DXVA2_ProcAmp_Saturation | DXVA2_ProcAmp_Hue, &values);
+
+ }
+ }
+}
+
+QT_END_NAMESPACE
+
+#endif //QT_NO_PHONON_VIDEO
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