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Diffstat (limited to 'src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.cpp')
-rw-r--r--src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.cpp282
1 files changed, 0 insertions, 282 deletions
diff --git a/src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.cpp b/src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.cpp
deleted file mode 100644
index b2e633d..0000000
--- a/src/plugins/mediaservices/gstreamer/qgstxvimagebuffer.cpp
+++ /dev/null
@@ -1,282 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the plugins of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** 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.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtCore/qdebug.h>
-#include <QtCore/qthread.h>
-#include <QtCore/qvariant.h>
-#include <QtGui/qx11info_x11.h>
-
-#include "qgstxvimagebuffer.h"
-#include "qvideosurfacegstsink.h"
-
-
-QT_BEGIN_NAMESPACE
-
-GstBufferClass *QGstXvImageBuffer::parent_class = NULL;
-
-GType QGstXvImageBuffer::get_type(void)
-{
- static GType buffer_type = 0;
-
- if (buffer_type == 0) {
- static const GTypeInfo buffer_info = {
- sizeof (GstBufferClass),
- NULL,
- NULL,
- QGstXvImageBuffer::class_init,
- NULL,
- NULL,
- sizeof(QGstXvImageBuffer),
- 0,
- (GInstanceInitFunc)QGstXvImageBuffer::buffer_init,
- NULL
- };
- buffer_type = g_type_register_static(GST_TYPE_BUFFER,
- "QGstXvImageBuffer", &buffer_info, GTypeFlags(0));
- }
- return buffer_type;
-}
-
-void QGstXvImageBuffer::class_init(gpointer g_class, gpointer class_data)
-{
- Q_UNUSED(class_data);
- GST_MINI_OBJECT_CLASS(g_class)->finalize =
- (GstMiniObjectFinalizeFunction)buffer_finalize;
- parent_class = (GstBufferClass*)g_type_class_peek_parent(g_class);
-}
-
-void QGstXvImageBuffer::buffer_init(QGstXvImageBuffer *xvImage, gpointer g_class)
-{
- Q_UNUSED(g_class);
- xvImage->pool = 0;
- xvImage->shmInfo.shmaddr = ((char *) -1);
- xvImage->shmInfo.shmid = -1;
- xvImage->markedForDeletion = false;
-}
-
-void QGstXvImageBuffer::buffer_finalize(QGstXvImageBuffer * xvImage)
-{
- if (xvImage->pool) {
- if (xvImage->markedForDeletion)
- xvImage->pool->destroyBuffer(xvImage);
- else
- xvImage->pool->recycleBuffer(xvImage);
- }
-}
-
-
-QGstXvImageBufferPool::QGstXvImageBufferPool(QObject *parent)
- :QObject(parent)
-{
-}
-
-QGstXvImageBufferPool::~QGstXvImageBufferPool()
-{
-}
-
-bool QGstXvImageBufferPool::isFormatSupported(const QVideoSurfaceFormat &surfaceFormat)
-{
- bool ok = true;
- surfaceFormat.property("portId").toULongLong(&ok);
- if (!ok)
- return false;
-
- int xvFormatId = surfaceFormat.property("xvFormatId").toInt(&ok);
- if (!ok || xvFormatId < 0)
- return false;
-
- int dataSize = surfaceFormat.property("dataSize").toInt(&ok);
- if (!ok || dataSize<=0)
- return false;
-
- return true;
-}
-
-QGstXvImageBuffer *QGstXvImageBufferPool::takeBuffer(const QVideoSurfaceFormat &format, GstCaps *caps)
-{
- m_poolMutex.lock();
-
- m_caps = caps;
- if (format != m_format) {
- doClear();
- m_format = format;
- }
-
-
- if (m_pool.isEmpty()) {
- //qDebug() << "QGstXvImageBufferPool::takeBuffer: no buffer available, allocate the new one";
- if (QThread::currentThread() == thread()) {
- m_poolMutex.unlock();
- queuedAlloc();
- m_poolMutex.lock();
- } else {
- QMetaObject::invokeMethod(this, "queuedAlloc", Qt::QueuedConnection);
- m_allocWaitCondition.wait(&m_poolMutex, 300);
- }
- }
- QGstXvImageBuffer *res = 0;
-
- if (!m_pool.isEmpty()) {
- res = m_pool.takeLast();
- }
-
- m_poolMutex.unlock();
-
- return res;
-}
-
-void QGstXvImageBufferPool::queuedAlloc()
-{
- QMutexLocker lock(&m_poolMutex);
-
- Q_ASSERT(QThread::currentThread() == thread());
-
- QGstXvImageBuffer *xvBuffer = (QGstXvImageBuffer *)gst_mini_object_new(QGstXvImageBuffer::get_type());
-
- quint64 portId = m_format.property("portId").toULongLong();
- int xvFormatId = m_format.property("xvFormatId").toInt();
-
- xvBuffer->xvImage = XvShmCreateImage(
- QX11Info::display(),
- portId,
- xvFormatId,
- 0,
- m_format.frameWidth(),
- m_format.frameHeight(),
- &xvBuffer->shmInfo
- );
-
- if (!xvBuffer->xvImage) {
-// qDebug() << "QGstXvImageBufferPool: XvShmCreateImage failed";
- m_allocWaitCondition.wakeOne();
- return;
- }
-
- xvBuffer->shmInfo.shmid = shmget(IPC_PRIVATE, xvBuffer->xvImage->data_size, IPC_CREAT | 0777);
- xvBuffer->shmInfo.shmaddr = xvBuffer->xvImage->data = (char*)shmat(xvBuffer->shmInfo.shmid, 0, 0);
- xvBuffer->shmInfo.readOnly = False;
-
- if (!XShmAttach(QX11Info::display(), &xvBuffer->shmInfo)) {
-// qDebug() << "QGstXvImageBufferPool: XShmAttach failed";
- m_allocWaitCondition.wakeOne();
- return;
- }
-
- shmctl (xvBuffer->shmInfo.shmid, IPC_RMID, NULL);
-
- xvBuffer->pool = this;
- GST_MINI_OBJECT_CAST(xvBuffer)->flags = 0;
- gst_buffer_set_caps(GST_BUFFER_CAST(xvBuffer), m_caps);
- GST_BUFFER_DATA(xvBuffer) = (uchar*)xvBuffer->xvImage->data;
- GST_BUFFER_SIZE(xvBuffer) = xvBuffer->xvImage->data_size;
-
- m_allBuffers.append(xvBuffer);
- m_pool.append(xvBuffer);
-
- m_allocWaitCondition.wakeOne();
-}
-
-
-void QGstXvImageBufferPool::clear()
-{
- QMutexLocker lock(&m_poolMutex);
- doClear();
-}
-
-void QGstXvImageBufferPool::doClear()
-{
- foreach (QGstXvImageBuffer *xvBuffer, m_allBuffers) {
- xvBuffer->markedForDeletion = true;
- }
- m_allBuffers.clear();
-
- foreach (QGstXvImageBuffer *xvBuffer, m_pool) {
- gst_buffer_unref(GST_BUFFER(xvBuffer));
- }
- m_pool.clear();
-
- m_format = QVideoSurfaceFormat();
-}
-
-void QGstXvImageBufferPool::queuedDestroy()
-{
- QMutexLocker lock(&m_destroyMutex);
-
- foreach(XvShmImage xvImage, m_imagesToDestroy) {
- if (xvImage.shmInfo.shmaddr != ((void *) -1)) {
- XShmDetach(QX11Info::display(), &xvImage.shmInfo);
- XSync(QX11Info::display(), false);
-
- shmdt(xvImage.shmInfo.shmaddr);
- }
-
- if (xvImage.xvImage)
- XFree(xvImage.xvImage);
- }
-
- m_imagesToDestroy.clear();
-
- XSync(QX11Info::display(), false);
-}
-
-void QGstXvImageBufferPool::recycleBuffer(QGstXvImageBuffer *xvBuffer)
-{
- QMutexLocker lock(&m_poolMutex);
- gst_buffer_ref(GST_BUFFER_CAST(xvBuffer));
- m_pool.append(xvBuffer);
-}
-
-void QGstXvImageBufferPool::destroyBuffer(QGstXvImageBuffer *xvBuffer)
-{
- XvShmImage imageToDestroy;
- imageToDestroy.xvImage = xvBuffer->xvImage;
- imageToDestroy.shmInfo = xvBuffer->shmInfo;
-
- m_destroyMutex.lock();
- m_imagesToDestroy.append(imageToDestroy);
- m_destroyMutex.unlock();
-
- if (m_imagesToDestroy.size() == 1)
- QMetaObject::invokeMethod(this, "queuedDestroy", Qt::QueuedConnection);
-}
-
-QT_END_NAMESPACE
-
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