Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
This commit is contained in:
Michael Goddard
535
src/plugins/gstreamer/qx11videosurface.cpp
Normal file
535
src/plugins/gstreamer/qx11videosurface.cpp
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@@ -0,0 +1,535 @@
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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||||
** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
|
||||
** This file contains pre-release code and may not be distributed.
|
||||
** You may use this file in accordance with the terms and conditions
|
||||
** contained in the Technology Preview License Agreement accompanying
|
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** this package.
|
||||
**
|
||||
** GNU Lesser General Public License Usage
|
||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
||||
** General Public License version 2.1 as published by the Free Software
|
||||
** Foundation and appearing in the file LICENSE.LGPL included in the
|
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** packaging of this file. Please review the following information to
|
||||
** ensure the GNU Lesser General Public License version 2.1 requirements
|
||||
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
||||
**
|
||||
** In addition, as a special exception, Nokia gives you certain additional
|
||||
** rights. These rights are described in the Nokia Qt LGPL Exception
|
||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
||||
**
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||||
** If you have questions regarding the use of this file, please contact
|
||||
** Nokia at qt-info@nokia.com.
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||||
**
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||||
**
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||||
**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore/qvariant.h>
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#include <QtCore/qdebug.h>
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#include <QtGui/qx11info_x11.h>
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#include <qvideosurfaceformat.h>
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#ifndef QT_NO_XVIDEO
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#include "qx11videosurface.h"
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Q_DECLARE_METATYPE(XvImage*);
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struct XvFormatRgb
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{
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QVideoFrame::PixelFormat pixelFormat;
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int bits_per_pixel;
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int format;
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int num_planes;
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int depth;
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unsigned int red_mask;
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unsigned int green_mask;
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unsigned int blue_mask;
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};
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bool operator ==(const XvImageFormatValues &format, const XvFormatRgb &rgb)
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{
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return format.type == XvRGB
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&& format.bits_per_pixel == rgb.bits_per_pixel
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&& format.format == rgb.format
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&& format.num_planes == rgb.num_planes
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&& format.depth == rgb.depth
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&& format.red_mask == rgb.red_mask
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&& format.blue_mask == rgb.blue_mask;
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}
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static const XvFormatRgb qt_xvRgbLookup[] =
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{
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{ QVideoFrame::Format_ARGB32, 32, XvPacked, 1, 32, 0x00FF0000, 0x0000FF00, 0x000000FF },
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{ QVideoFrame::Format_RGB32 , 32, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF },
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{ QVideoFrame::Format_RGB24 , 24, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF },
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{ QVideoFrame::Format_RGB565, 16, XvPacked, 1, 16, 0x0000F800, 0x000007E0, 0x0000001F },
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{ QVideoFrame::Format_BGRA32, 32, XvPacked, 1, 32, 0xFF000000, 0x00FF0000, 0x0000FF00 },
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{ QVideoFrame::Format_BGR32 , 32, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF },
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{ QVideoFrame::Format_BGR24 , 24, XvPacked, 1, 24, 0x00FF0000, 0x0000FF00, 0x000000FF },
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{ QVideoFrame::Format_BGR565, 16, XvPacked, 1, 16, 0x0000F800, 0x000007E0, 0x0000001F }
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};
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struct XvFormatYuv
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{
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QVideoFrame::PixelFormat pixelFormat;
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int bits_per_pixel;
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int format;
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int num_planes;
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unsigned int y_sample_bits;
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unsigned int u_sample_bits;
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unsigned int v_sample_bits;
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unsigned int horz_y_period;
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unsigned int horz_u_period;
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unsigned int horz_v_period;
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unsigned int vert_y_period;
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unsigned int vert_u_period;
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unsigned int vert_v_period;
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char component_order[32];
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};
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bool operator ==(const XvImageFormatValues &format, const XvFormatYuv &yuv)
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{
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return format.type == XvYUV
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&& format.bits_per_pixel == yuv.bits_per_pixel
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&& format.format == yuv.format
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&& format.num_planes == yuv.num_planes
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&& format.y_sample_bits == yuv.y_sample_bits
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&& format.u_sample_bits == yuv.u_sample_bits
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&& format.v_sample_bits == yuv.v_sample_bits
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&& format.horz_y_period == yuv.horz_y_period
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&& format.horz_u_period == yuv.horz_u_period
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&& format.horz_v_period == yuv.horz_v_period
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&& format.horz_y_period == yuv.vert_y_period
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&& format.vert_u_period == yuv.vert_u_period
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&& format.vert_v_period == yuv.vert_v_period
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&& qstrncmp(format.component_order, yuv.component_order, 32) == 0;
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}
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static const XvFormatYuv qt_xvYuvLookup[] =
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{
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{ QVideoFrame::Format_YUV444 , 24, XvPacked, 1, 8, 8, 8, 1, 1, 1, 1, 1, 1, "YUV" },
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{ QVideoFrame::Format_YUV420P, 12, XvPlanar, 3, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YUV" },
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{ QVideoFrame::Format_YV12 , 12, XvPlanar, 3, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YVU" },
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{ QVideoFrame::Format_UYVY , 16, XvPacked, 1, 8, 8, 8, 1, 2, 2, 1, 1, 1, "UYVY" },
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{ QVideoFrame::Format_YUYV , 16, XvPacked, 1, 8, 8, 8, 1, 2, 2, 1, 1, 1, "YUY2" },
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{ QVideoFrame::Format_YUYV , 16, XvPacked, 1, 8, 8, 8, 1, 2, 2, 1, 1, 1, "YUYV" },
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{ QVideoFrame::Format_NV12 , 12, XvPlanar, 2, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YUV" },
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{ QVideoFrame::Format_NV12 , 12, XvPlanar, 2, 8, 8, 8, 1, 2, 2, 1, 2, 2, "YVU" },
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{ QVideoFrame::Format_Y8 , 8 , XvPlanar, 1, 8, 0, 0, 1, 0, 0, 1, 0, 0, "Y" }
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};
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QX11VideoSurface::QX11VideoSurface(QObject *parent)
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: QAbstractVideoSurface(parent)
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, m_winId(0)
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, m_portId(0)
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, m_gc(0)
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, m_image(0)
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{
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}
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QX11VideoSurface::~QX11VideoSurface()
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{
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if (m_gc)
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XFreeGC(QX11Info::display(), m_gc);
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if (m_portId != 0)
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XvUngrabPort(QX11Info::display(), m_portId, 0);
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}
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WId QX11VideoSurface::winId() const
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{
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return m_winId;
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}
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void QX11VideoSurface::setWinId(WId id)
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{
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//qDebug() << "setWinID:" << id;
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if (id == m_winId)
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return;
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if (m_image)
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XFree(m_image);
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if (m_gc) {
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XFreeGC(QX11Info::display(), m_gc);
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m_gc = 0;
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}
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if (m_portId != 0)
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XvUngrabPort(QX11Info::display(), m_portId, 0);
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m_supportedPixelFormats.clear();
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m_formatIds.clear();
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m_winId = id;
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if (m_winId && findPort()) {
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querySupportedFormats();
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m_gc = XCreateGC(QX11Info::display(), m_winId, 0, 0);
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if (m_image) {
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m_image = 0;
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if (!start(surfaceFormat())) {
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QAbstractVideoSurface::stop();
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qWarning() << "Failed to start video surface with format" << surfaceFormat();
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}
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}
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} else {
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qWarning() << "Failed to find XVideo port";
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if (m_image) {
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m_image = 0;
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QAbstractVideoSurface::stop();
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}
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}
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emit supportedFormatsChanged();
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}
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QRect QX11VideoSurface::displayRect() const
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{
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return m_displayRect;
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}
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void QX11VideoSurface::setDisplayRect(const QRect &rect)
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{
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m_displayRect = rect;
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}
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QRect QX11VideoSurface::viewport() const
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{
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return m_viewport;
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}
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void QX11VideoSurface::setViewport(const QRect &rect)
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{
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m_viewport = rect;
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}
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int QX11VideoSurface::brightness() const
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{
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return getAttribute("XV_BRIGHTNESS", m_brightnessRange.first, m_brightnessRange.second);
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}
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void QX11VideoSurface::setBrightness(int brightness)
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{
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setAttribute("XV_BRIGHTNESS", brightness, m_brightnessRange.first, m_brightnessRange.second);
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}
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int QX11VideoSurface::contrast() const
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{
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return getAttribute("XV_CONTRAST", m_contrastRange.first, m_contrastRange.second);
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}
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void QX11VideoSurface::setContrast(int contrast)
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{
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setAttribute("XV_CONTRAST", contrast, m_contrastRange.first, m_contrastRange.second);
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}
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int QX11VideoSurface::hue() const
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{
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return getAttribute("XV_HUE", m_hueRange.first, m_hueRange.second);
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}
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void QX11VideoSurface::setHue(int hue)
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{
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setAttribute("XV_HUE", hue, m_hueRange.first, m_hueRange.second);
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}
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int QX11VideoSurface::saturation() const
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{
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return getAttribute("XV_SATURATION", m_saturationRange.first, m_saturationRange.second);
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}
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void QX11VideoSurface::setSaturation(int saturation)
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{
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setAttribute("XV_SATURATION", saturation, m_saturationRange.first, m_saturationRange.second);
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}
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int QX11VideoSurface::getAttribute(const char *attribute, int minimum, int maximum) const
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{
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if (m_portId != 0) {
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Display *display = QX11Info::display();
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Atom atom = XInternAtom(display, attribute, True);
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int value = 0;
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XvGetPortAttribute(display, m_portId, atom, &value);
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return redistribute(value, minimum, maximum, -100, 100);
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} else {
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return 0;
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}
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}
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void QX11VideoSurface::setAttribute(const char *attribute, int value, int minimum, int maximum)
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{
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if (m_portId != 0) {
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Display *display = QX11Info::display();
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Atom atom = XInternAtom(display, attribute, True);
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XvSetPortAttribute(
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display, m_portId, atom, redistribute(value, -100, 100, minimum, maximum));
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}
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}
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int QX11VideoSurface::redistribute(
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int value, int fromLower, int fromUpper, int toLower, int toUpper)
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{
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return fromUpper != fromLower
|
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? ((value - fromLower) * (toUpper - toLower) / (fromUpper - fromLower)) + toLower
|
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: 0;
|
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}
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QList<QVideoFrame::PixelFormat> QX11VideoSurface::supportedPixelFormats(
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QAbstractVideoBuffer::HandleType handleType) const
|
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{
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return handleType == QAbstractVideoBuffer::NoHandle || handleType == QAbstractVideoBuffer::XvShmImageHandle
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? m_supportedPixelFormats
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: QList<QVideoFrame::PixelFormat>();
|
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}
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bool QX11VideoSurface::start(const QVideoSurfaceFormat &format)
|
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{
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if (m_image)
|
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XFree(m_image);
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|
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int xvFormatId = 0;
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for (int i = 0; i < m_supportedPixelFormats.count(); ++i) {
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if (m_supportedPixelFormats.at(i) == format.pixelFormat()) {
|
||||
xvFormatId = m_formatIds.at(i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (xvFormatId == 0) {
|
||||
setError(UnsupportedFormatError);
|
||||
} else {
|
||||
XvImage *image = XvCreateImage(
|
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QX11Info::display(),
|
||||
m_portId,
|
||||
xvFormatId,
|
||||
0,
|
||||
format.frameWidth(),
|
||||
format.frameHeight());
|
||||
|
||||
if (!image) {
|
||||
setError(ResourceError);
|
||||
} else {
|
||||
m_viewport = format.viewport();
|
||||
m_image = image;
|
||||
|
||||
QVideoSurfaceFormat newFormat = format;
|
||||
newFormat.setProperty("portId", QVariant(quint64(m_portId)));
|
||||
newFormat.setProperty("xvFormatId", xvFormatId);
|
||||
newFormat.setProperty("dataSize", image->data_size);
|
||||
|
||||
return QAbstractVideoSurface::start(newFormat);
|
||||
}
|
||||
}
|
||||
|
||||
if (m_image) {
|
||||
m_image = 0;
|
||||
|
||||
QAbstractVideoSurface::stop();
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
void QX11VideoSurface::stop()
|
||||
{
|
||||
if (m_image) {
|
||||
XFree(m_image);
|
||||
m_image = 0;
|
||||
|
||||
QAbstractVideoSurface::stop();
|
||||
}
|
||||
}
|
||||
|
||||
bool QX11VideoSurface::present(const QVideoFrame &frame)
|
||||
{
|
||||
if (!m_image) {
|
||||
setError(StoppedError);
|
||||
return false;
|
||||
} else if (m_image->width != frame.width() || m_image->height != frame.height()) {
|
||||
setError(IncorrectFormatError);
|
||||
return false;
|
||||
} else {
|
||||
QVideoFrame frameCopy(frame);
|
||||
|
||||
if (!frameCopy.map(QAbstractVideoBuffer::ReadOnly)) {
|
||||
setError(IncorrectFormatError);
|
||||
return false;
|
||||
} else {
|
||||
bool presented = false;
|
||||
|
||||
if (frame.handleType() != QAbstractVideoBuffer::XvShmImageHandle &&
|
||||
m_image->data_size > frame.mappedBytes()) {
|
||||
qWarning("Insufficient frame buffer size");
|
||||
setError(IncorrectFormatError);
|
||||
} else if (frame.handleType() != QAbstractVideoBuffer::XvShmImageHandle &&
|
||||
m_image->num_planes > 0 &&
|
||||
m_image->pitches[0] != frame.bytesPerLine()) {
|
||||
qWarning("Incompatible frame pitches");
|
||||
setError(IncorrectFormatError);
|
||||
} else {
|
||||
if (frame.handleType() != QAbstractVideoBuffer::XvShmImageHandle) {
|
||||
m_image->data = reinterpret_cast<char *>(frameCopy.bits());
|
||||
|
||||
//qDebug() << "copy frame";
|
||||
XvPutImage(
|
||||
QX11Info::display(),
|
||||
m_portId,
|
||||
m_winId,
|
||||
m_gc,
|
||||
m_image,
|
||||
m_viewport.x(),
|
||||
m_viewport.y(),
|
||||
m_viewport.width(),
|
||||
m_viewport.height(),
|
||||
m_displayRect.x(),
|
||||
m_displayRect.y(),
|
||||
m_displayRect.width(),
|
||||
m_displayRect.height());
|
||||
|
||||
m_image->data = 0;
|
||||
} else {
|
||||
XvImage *img = frame.handle().value<XvImage*>();
|
||||
|
||||
//qDebug() << "render directly";
|
||||
if (img)
|
||||
XvShmPutImage(
|
||||
QX11Info::display(),
|
||||
m_portId,
|
||||
m_winId,
|
||||
m_gc,
|
||||
img,
|
||||
m_viewport.x(),
|
||||
m_viewport.y(),
|
||||
m_viewport.width(),
|
||||
m_viewport.height(),
|
||||
m_displayRect.x(),
|
||||
m_displayRect.y(),
|
||||
m_displayRect.width(),
|
||||
m_displayRect.height(),
|
||||
false);
|
||||
}
|
||||
|
||||
presented = true;
|
||||
}
|
||||
|
||||
frameCopy.unmap();
|
||||
|
||||
return presented;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool QX11VideoSurface::findPort()
|
||||
{
|
||||
unsigned int count = 0;
|
||||
XvAdaptorInfo *adaptors = 0;
|
||||
bool portFound = false;
|
||||
|
||||
if (XvQueryAdaptors(QX11Info::display(), m_winId, &count, &adaptors) == Success) {
|
||||
#ifdef Q_WS_MAEMO_5
|
||||
//the overlay xvideo adapter fails to switch winId,
|
||||
//prefer the "SGX Textured Video" adapter instead
|
||||
for (int i = count-1; i >= 0 && !portFound; --i) {
|
||||
#else
|
||||
for (unsigned int i = 0; i < count && !portFound; ++i) {
|
||||
#endif
|
||||
if (adaptors[i].type & XvImageMask) {
|
||||
m_portId = adaptors[i].base_id;
|
||||
|
||||
for (unsigned int j = 0; j < adaptors[i].num_ports && !portFound; ++j, ++m_portId)
|
||||
portFound = XvGrabPort(QX11Info::display(), m_portId, 0) == Success;
|
||||
}
|
||||
}
|
||||
XvFreeAdaptorInfo(adaptors);
|
||||
}
|
||||
|
||||
return portFound;
|
||||
}
|
||||
|
||||
void QX11VideoSurface::querySupportedFormats()
|
||||
{
|
||||
int count = 0;
|
||||
if (XvImageFormatValues *imageFormats = XvListImageFormats(
|
||||
QX11Info::display(), m_portId, &count)) {
|
||||
const int rgbCount = sizeof(qt_xvRgbLookup) / sizeof(XvFormatRgb);
|
||||
const int yuvCount = sizeof(qt_xvYuvLookup) / sizeof(XvFormatYuv);
|
||||
|
||||
for (int i = 0; i < count; ++i) {
|
||||
switch (imageFormats[i].type) {
|
||||
case XvRGB:
|
||||
for (int j = 0; j < rgbCount; ++j) {
|
||||
if (imageFormats[i] == qt_xvRgbLookup[j]) {
|
||||
m_supportedPixelFormats.append(qt_xvRgbLookup[j].pixelFormat);
|
||||
m_formatIds.append(imageFormats[i].id);
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case XvYUV:
|
||||
for (int j = 0; j < yuvCount; ++j) {
|
||||
if (imageFormats[i] == qt_xvYuvLookup[j]) {
|
||||
m_supportedPixelFormats.append(qt_xvYuvLookup[j].pixelFormat);
|
||||
m_formatIds.append(imageFormats[i].id);
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
XFree(imageFormats);
|
||||
}
|
||||
|
||||
m_brightnessRange = qMakePair(0, 0);
|
||||
m_contrastRange = qMakePair(0, 0);
|
||||
m_hueRange = qMakePair(0, 0);
|
||||
m_saturationRange = qMakePair(0, 0);
|
||||
|
||||
if (XvAttribute *attributes = XvQueryPortAttributes(QX11Info::display(), m_portId, &count)) {
|
||||
for (int i = 0; i < count; ++i) {
|
||||
if (qstrcmp(attributes[i].name, "XV_BRIGHTNESS") == 0)
|
||||
m_brightnessRange = qMakePair(attributes[i].min_value, attributes[i].max_value);
|
||||
else if (qstrcmp(attributes[i].name, "XV_CONTRAST") == 0)
|
||||
m_contrastRange = qMakePair(attributes[i].min_value, attributes[i].max_value);
|
||||
else if (qstrcmp(attributes[i].name, "XV_HUE") == 0)
|
||||
m_hueRange = qMakePair(attributes[i].min_value, attributes[i].max_value);
|
||||
else if (qstrcmp(attributes[i].name, "XV_SATURATION") == 0)
|
||||
m_saturationRange = qMakePair(attributes[i].min_value, attributes[i].max_value);
|
||||
}
|
||||
|
||||
XFree(attributes);
|
||||
}
|
||||
}
|
||||
|
||||
#endif //QT_NO_XVIDEO
|
||||
|
||||
Reference in New Issue
Block a user