diff options
author | Michael Goddard <michael.goddard@nokia.com> | 2011-06-29 13:38:46 +1000 |
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committer | Michael Goddard <michael.goddard@nokia.com> | 2011-06-29 13:38:46 +1000 |
commit | 2a34e88c1e1ced28e75c487cd13402e1c9cf9fa3 (patch) | |
tree | e6c1b770c5c47212792a1f9344fa034ea3e54c44 /src/plugins/gstreamer/qvideosurfacegstsink.h |
Initial copy of QtMultimediaKit.
Comes from original repo, with SHA1:
2c82d5611655e5967f5c5095af50c0991c4378b2
Diffstat (limited to 'src/plugins/gstreamer/qvideosurfacegstsink.h')
-rw-r--r-- | src/plugins/gstreamer/qvideosurfacegstsink.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/plugins/gstreamer/qvideosurfacegstsink.h b/src/plugins/gstreamer/qvideosurfacegstsink.h new file mode 100644 index 000000000..531a76e0f --- /dev/null +++ b/src/plugins/gstreamer/qvideosurfacegstsink.h @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 +** 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 +** 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef VIDEOSURFACEGSTSINK_H +#define VIDEOSURFACEGSTSINK_H + +#include <gst/video/gstvideosink.h> + +#include <QtCore/qlist.h> +#include <QtCore/qmutex.h> +#include <QtCore/qqueue.h> +#include <QtCore/qpointer.h> +#include <QtCore/qwaitcondition.h> +#include <qvideosurfaceformat.h> +#include <qvideoframe.h> +#include <qabstractvideobuffer.h> + +#include "qabstractgstbufferpool.h" + +QT_BEGIN_NAMESPACE +class QAbstractVideoSurface; +QT_END_NAMESPACE + +#if defined(Q_WS_X11) && !defined(QT_NO_XVIDEO) +class QGstXvImageBuffer; +class QGstXvImageBufferPool; +#endif + +class QVideoSurfaceGstDelegate : public QObject +{ + Q_OBJECT +public: + QVideoSurfaceGstDelegate(QAbstractVideoSurface *surface); + ~QVideoSurfaceGstDelegate(); + + QList<QVideoFrame::PixelFormat> supportedPixelFormats( + QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const; + + QVideoSurfaceFormat surfaceFormat() const; + + bool start(const QVideoSurfaceFormat &format, int bytesPerLine); + void stop(); + + bool isActive(); + + QAbstractGstBufferPool *pool() { return m_pool; } + QMutex *poolMutex() { return &m_poolMutex; } + + GstFlowReturn render(GstBuffer *buffer); + +private slots: + void queuedStart(); + void queuedStop(); + void queuedRender(); + + void updateSupportedFormats(); + +private: + QPointer<QAbstractVideoSurface> m_surface; + QList<QVideoFrame::PixelFormat> m_supportedPixelFormats; + //pixel formats of buffers pool native type + QList<QVideoFrame::PixelFormat> m_supportedPoolPixelFormats; + QAbstractGstBufferPool *m_pool; + QList<QAbstractGstBufferPool *> m_pools; + QMutex m_poolMutex; + QMutex m_mutex; + QWaitCondition m_setupCondition; + QWaitCondition m_renderCondition; + QVideoSurfaceFormat m_format; + QVideoFrame m_frame; + GstFlowReturn m_renderReturn; + int m_bytesPerLine; + bool m_started; +}; + +class QVideoSurfaceGstSink +{ +public: + GstVideoSink parent; + + static QVideoSurfaceGstSink *createSink(QAbstractVideoSurface *surface); + static QVideoSurfaceFormat formatForCaps(GstCaps *caps, int *bytesPerLine = 0); + +private: + static GType get_type(); + static void class_init(gpointer g_class, gpointer class_data); + static void base_init(gpointer g_class); + static void instance_init(GTypeInstance *instance, gpointer g_class); + + static void finalize(GObject *object); + + static GstStateChangeReturn change_state(GstElement *element, GstStateChange transition); + + static GstCaps *get_caps(GstBaseSink *sink); + static gboolean set_caps(GstBaseSink *sink, GstCaps *caps); + + static GstFlowReturn buffer_alloc( + GstBaseSink *sink, guint64 offset, guint size, GstCaps *caps, GstBuffer **buffer); + + static gboolean start(GstBaseSink *sink); + static gboolean stop(GstBaseSink *sink); + + static gboolean unlock(GstBaseSink *sink); + + static gboolean event(GstBaseSink *sink, GstEvent *event); + static GstFlowReturn preroll(GstBaseSink *sink, GstBuffer *buffer); + static GstFlowReturn render(GstBaseSink *sink, GstBuffer *buffer); + +private: + QVideoSurfaceGstDelegate *delegate; + + GstCaps *lastRequestedCaps; + GstCaps *lastBufferCaps; + QVideoSurfaceFormat *lastSurfaceFormat; +}; + + +class QVideoSurfaceGstSinkClass +{ +public: + GstVideoSinkClass parent_class; +}; + +#endif |