--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/gstreamer/mediacapture/qgstreamercaptureservice.cpp Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,252 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qgstreamercaptureservice.h"
+#include "qgstreamercapturesession.h"
+#include "qgstreamerrecordercontrol.h"
+#include "qgstreamermediacontainercontrol.h"
+#include "qgstreameraudioencode.h"
+#include "qgstreamervideoencode.h"
+#include "qgstreamerbushelper.h"
+#include "qgstreamerv4l2input.h"
+#include "qgstreamercapturemetadatacontrol.h"
+
+#include "qgstreameraudioinputendpointselector.h"
+#include "qgstreamervideoinputdevicecontrol.h"
+
+#include "qgstreamervideooverlay.h"
+#include "qgstreamervideorenderer.h"
+
+#include "qgstreamervideowidget.h"
+
+#include <qmediaserviceprovider.h>
+
+#include <QtCore/qdebug.h>
+
+
+class QGstreamerVideoRendererWrapper : public QGstreamerElementFactory
+{
+public:
+ QGstreamerVideoRendererWrapper(QGstreamerVideoRendererInterface *videoRenderer)
+ :m_videoRenderer(videoRenderer),
+ m_bin(0),
+ m_element(0),
+ m_colorspace(0)
+ {
+ }
+
+ virtual ~QGstreamerVideoRendererWrapper()
+ {
+ if (m_bin)
+ gst_object_unref(GST_OBJECT(m_bin));
+ }
+
+ GstElement *buildElement()
+ {
+#ifdef Q_WS_MAEMO_5
+ return m_element = m_videoRenderer->videoSink();
+#endif
+ if (m_bin == NULL) {
+ GstBin * bin = GST_BIN(gst_bin_new(NULL));
+
+ m_colorspace = gst_element_factory_make("ffmpegcolorspace", NULL);
+ m_element = m_videoRenderer->videoSink();
+
+ gst_bin_add(bin, m_colorspace);
+ gst_bin_add(bin, m_element);
+ gst_element_link(m_colorspace, m_element);
+
+ // add ghostpads
+ GstPad *pad = gst_element_get_static_pad(m_colorspace, "sink");
+ gst_element_add_pad(GST_ELEMENT(bin), gst_ghost_pad_new("sink", pad));
+ gst_object_unref(GST_OBJECT(pad));
+
+ m_bin = GST_ELEMENT(bin);
+ }
+
+ m_videoRenderer->precessNewStream();
+
+ gst_object_ref(GST_OBJECT(m_bin));
+ return m_bin;
+ }
+
+ void prepareWinId()
+ {
+ m_videoRenderer->precessNewStream();
+ }
+
+private:
+ QGstreamerVideoRendererInterface *m_videoRenderer;
+
+ GstElement *m_bin;
+ GstElement *m_element;
+ GstElement *m_colorspace;
+};
+
+
+QGstreamerCaptureService::QGstreamerCaptureService(const QString &service, QObject *parent):
+ QMediaService(parent)
+{
+ static bool initialized = false;
+ if (!initialized) {
+ initialized = true;
+ gst_init(NULL, NULL);
+ }
+
+ m_captureSession = 0;
+ m_metaDataControl = 0;
+
+ m_videoInput = 0;
+ m_audioInputEndpointSelector = 0;
+ m_videoInputDevice = 0;
+
+ m_videoOutput = 0;
+ m_videoRenderer = 0;
+ m_videoRendererFactory = 0;
+ m_videoWindow = 0;
+ m_videoWindowFactory = 0;
+ m_videoWidgetControl = 0;
+ m_videoWidgetFactory = 0;
+
+ if (service == Q_MEDIASERVICE_AUDIOSOURCE) {
+ m_captureSession = new QGstreamerCaptureSession(QGstreamerCaptureSession::Audio, this);
+ }
+
+ bool captureVideo = false;
+
+ if (captureVideo) {
+ m_captureSession = new QGstreamerCaptureSession(QGstreamerCaptureSession::AudioAndVideo, this);
+ m_videoInput = new QGstreamerV4L2Input(this);
+ m_captureSession->setVideoInput(m_videoInput);
+ m_videoInputDevice = new QGstreamerVideoInputDeviceControl(this);
+
+ connect(m_videoInputDevice, SIGNAL(selectedDeviceChanged(QString)),
+ m_videoInput, SLOT(setDevice(QString)));
+
+ if (m_videoInputDevice->deviceCount())
+ m_videoInput->setDevice(m_videoInputDevice->deviceName(m_videoInputDevice->selectedDevice()));
+
+ m_videoRenderer = new QGstreamerVideoRenderer(this);
+ m_videoRendererFactory = new QGstreamerVideoRendererWrapper(m_videoRenderer);
+
+#ifndef QT_NO_XVIDEO
+ QGstreamerVideoOverlay *videoWindow = new QGstreamerVideoOverlay(this);
+ m_videoWindow = videoWindow;
+ m_videoWindowFactory = new QGstreamerVideoRendererWrapper(videoWindow);
+
+ QGstreamerVideoWidgetControl *videoWidget = new QGstreamerVideoWidgetControl(this);
+ m_videoWidgetControl = videoWidget;
+ m_videoWidgetFactory = new QGstreamerVideoRendererWrapper(videoWidget);
+#endif
+ }
+
+ if (!m_captureSession) {
+ qWarning() << "Service type is not supported:" << service;
+ return;
+ }
+
+ m_audioInputEndpointSelector = new QGstreamerAudioInputEndpointSelector(this);
+ connect(m_audioInputEndpointSelector, SIGNAL(activeEndpointChanged(QString)), m_captureSession, SLOT(setCaptureDevice(QString)));
+
+ if (m_captureSession && m_audioInputEndpointSelector->availableEndpoints().size() > 0)
+ m_captureSession->setCaptureDevice(m_audioInputEndpointSelector->defaultEndpoint());
+
+ m_metaDataControl = new QGstreamerCaptureMetaDataControl(this);
+ connect(m_metaDataControl, SIGNAL(metaDataChanged(QMap<QByteArray,QVariant>)),
+ m_captureSession, SLOT(setMetaData(QMap<QByteArray,QVariant>)));
+}
+
+QGstreamerCaptureService::~QGstreamerCaptureService()
+{
+}
+
+QMediaControl *QGstreamerCaptureService::requestControl(const char *name)
+{
+ if (!m_captureSession)
+ return 0;
+
+ if (qstrcmp(name,QAudioEndpointSelector_iid) == 0)
+ return m_audioInputEndpointSelector;
+
+ if (qstrcmp(name,QVideoDeviceControl_iid) == 0)
+ return m_videoInputDevice;
+
+ if (qstrcmp(name,QMediaRecorderControl_iid) == 0)
+ return m_captureSession->recorderControl();
+
+ if (qstrcmp(name,QAudioEncoderControl_iid) == 0)
+ return m_captureSession->audioEncodeControl();
+
+ if (qstrcmp(name,QVideoEncoderControl_iid) == 0)
+ return m_captureSession->videoEncodeControl();
+
+ if (qstrcmp(name,QMediaContainerControl_iid) == 0)
+ return m_captureSession->mediaContainerControl();
+
+ if (qstrcmp(name,QMetaDataWriterControl_iid) == 0)
+ return m_metaDataControl;
+
+ if (!m_videoOutput) {
+ if (qstrcmp(name, QVideoRendererControl_iid) == 0) {
+ m_videoOutput = m_videoRenderer;
+ m_captureSession->setVideoPreview(m_videoRendererFactory);
+ } else if (qstrcmp(name, QVideoWindowControl_iid) == 0) {
+ m_videoOutput = m_videoWindow;
+ m_captureSession->setVideoPreview(m_videoWindowFactory);
+ } else if (qstrcmp(name, QVideoWidgetControl_iid) == 0) {
+ m_captureSession->setVideoPreview(m_videoWidgetFactory);
+ m_videoOutput = m_videoWidgetControl;
+ }
+
+ if (m_videoOutput)
+ return m_videoOutput;
+ }
+
+ return 0;
+}
+
+void QGstreamerCaptureService::releaseControl(QMediaControl *control)
+{
+ if (control && control == m_videoOutput) {
+ m_videoOutput = 0;
+ m_captureSession->setVideoPreview(0);
+ }
+}