diff options
Diffstat (limited to 'src/3rdparty/phonon/ds9/videorenderer_default.cpp')
-rw-r--r-- | src/3rdparty/phonon/ds9/videorenderer_default.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/ds9/videorenderer_default.cpp b/src/3rdparty/phonon/ds9/videorenderer_default.cpp new file mode 100644 index 0000000..0045a49 --- /dev/null +++ b/src/3rdparty/phonon/ds9/videorenderer_default.cpp @@ -0,0 +1,153 @@ +/* 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_default.h" + +#ifndef QT_NO_PHONON_VIDEO + +#include <QtGui/QWidget> +#include <QtGui/QPainter> + +#include <uuids.h> + +QT_BEGIN_NAMESPACE + + +namespace Phonon +{ + namespace DS9 + { + VideoRendererDefault::~VideoRendererDefault() + { + } + + bool VideoRendererDefault::isNative() const + { + return true; + } + + + VideoRendererDefault::VideoRendererDefault(QWidget *target) : m_target(target) + { + m_target->setAttribute(Qt::WA_PaintOnScreen, true); + m_filter = Filter(CLSID_VideoRenderer, IID_IBaseFilter); + } + + QSize VideoRendererDefault::videoSize() const + { + LONG w = 0, + h = 0; + ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo); + if (basic) { + basic->GetVideoSize( &w, &h); + } + return QSize(w, h); + } + + void VideoRendererDefault::repaintCurrentFrame(QWidget * /*target*/, const QRect & /*rect*/) + { + //nothing to do here: the renderer paints everything + } + + void VideoRendererDefault::notifyResize(const QSize &size, Phonon::VideoWidget::AspectRatio aspectRatio, + Phonon::VideoWidget::ScaleMode scaleMode) + { + if (!isActive()) { + ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo); + if (basic) { + basic->SetDestinationPosition(0, 0, 0, 0); + } + return; + } + + ComPointer<IVideoWindow> video(m_filter, IID_IVideoWindow); + + OAHWND owner; + HRESULT hr = video->get_Owner(&owner); + if (FAILED(hr)) { + return; + } + + const OAHWND newOwner = reinterpret_cast<OAHWND>(m_target->winId()); + if (owner != newOwner) { + video->put_Owner(newOwner); + video->put_MessageDrain(newOwner); + video->put_WindowStyle(WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS); + } + + //make sure the widget takes the whole size of the parent + video->SetWindowPosition(0, 0, size.width(), size.height()); + + const QSize vsize = videoSize(); + internalNotifyResize(size, vsize, aspectRatio, scaleMode); + + ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo); + if (basic) { + basic->SetDestinationPosition(m_dstX, m_dstY, m_dstWidth, m_dstHeight); + } + } + + void VideoRendererDefault::applyMixerSettings(qreal /*brightness*/, qreal /*contrast*/, qreal /*m_hue*/, qreal /*saturation*/) + { + //this can't be supported for the default renderer + } + + QImage VideoRendererDefault::snapshot() const + { + ComPointer<IBasicVideo> basic(m_filter, IID_IBasicVideo); + if (basic) { + LONG bufferSize = 0; + //1st we get the buffer size + basic->GetCurrentImage(&bufferSize, 0); + + QByteArray buffer; + buffer.resize(bufferSize); + HRESULT hr = basic->GetCurrentImage(&bufferSize, reinterpret_cast<long*>(buffer.data())); + + if (SUCCEEDED(hr)) { + + const BITMAPINFOHEADER *bmi = reinterpret_cast<const BITMAPINFOHEADER*>(buffer.constData()); + + 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()) { + const char *data = buffer.constData() + bmi->biSize; + 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; + } + } + return ret; + } + } + return QImage(); + } + + } +} + +QT_END_NAMESPACE + +#endif //QT_NO_PHONON_VIDEO |