qtmobility/plugins/multimedia/gstreamer/mediacapture/maemo/qgstreamercaptureservice_maemo.cpp
changeset 4 90517678cc4f
child 11 06b8e2af4411
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/plugins/multimedia/gstreamer/mediacapture/maemo/qgstreamercaptureservice_maemo.cpp	Mon May 03 13:18:40 2010 +0300
@@ -0,0 +1,264 @@
+/****************************************************************************
+**
+** 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 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_maemo.h"
+#include "qgstreamercapturesession_maemo.h"
+#include "qgstreamerrecordercontrol_maemo.h"
+#include "qgstreamermediacontainercontrol_maemo.h"
+#include "qgstreameraudioencode_maemo.h"
+#include "qgstreamervideoencode_maemo.h"
+#include "qgstreamerbushelper.h"
+#include "qgstreamercapturemetadatacontrol_maemo.h"
+
+#include "qgstreamervideooutputcontrol.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_cameraControl = 0;
+    m_metaDataControl = 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;
+    m_imageCaptureControl = 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);
+        //TODO:m_captureSession->setVideoInput(m_cameraControl);
+        m_videoInputDevice = new QGstreamerVideoInputDeviceControl(m_captureSession);
+
+        //TODO:connect(m_videoInputDevice, SIGNAL(selectedDeviceChanged(QString)),
+        //        m_cameraControl, SLOT(setDevice(QString)));
+
+        //TODO:if (m_videoInputDevice->deviceCount())
+        //    m_cameraControl->setDevice(m_videoInputDevice->deviceName(m_videoInputDevice->selectedDevice()));
+
+        m_videoOutput = new QGstreamerVideoOutputControl(this);
+        connect(m_videoOutput, SIGNAL(outputChanged(QVideoOutputControl::Output)),
+                this, SLOT(videoOutputChanged(QVideoOutputControl::Output)));
+
+        m_videoRenderer = new QGstreamerVideoRenderer(this);
+        m_videoRendererFactory = new QGstreamerVideoRendererWrapper(m_videoRenderer);
+        m_videoWindow = new QGstreamerVideoOverlay(this);
+        m_videoWindowFactory = new QGstreamerVideoRendererWrapper(m_videoWindow);
+
+        m_videoWidgetControl = new QGstreamerVideoWidgetControl(this);
+        m_videoWidgetFactory = new QGstreamerVideoRendererWrapper(m_videoWidgetControl);
+
+        m_videoOutput->setAvailableOutputs(QList<QVideoOutputControl::Output>()
+                                           << QVideoOutputControl::RendererOutput
+                                           << QVideoOutputControl::WindowOutput
+                                           << QVideoOutputControl::WidgetOutput);
+    }
+    
+    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::control(const char *name) const
+{
+    if (qstrcmp(name, QVideoOutputControl_iid) == 0)
+        return m_videoOutput;
+
+    if (qstrcmp(name, QVideoRendererControl_iid) == 0)
+        return m_videoRenderer;
+
+    if (qstrcmp(name, QVideoWindowControl_iid) == 0)
+        return m_videoWindow;
+
+    if (qstrcmp(name, QVideoWidgetControl_iid) == 0)
+        return m_videoWidgetControl;
+
+    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,QMetaDataControl_iid) == 0)
+        return m_metaDataControl;
+
+    return 0;
+}
+
+void QGstreamerCaptureService::videoOutputChanged(QVideoOutputControl::Output output)
+{
+    switch (output) {
+    case QVideoOutputControl::NoOutput:
+        m_captureSession->setVideoPreview(0);
+        break;
+    case QVideoOutputControl::RendererOutput:
+        m_captureSession->setVideoPreview(m_videoRendererFactory);
+        break;
+    case QVideoOutputControl::WindowOutput:
+        m_captureSession->setVideoPreview(m_videoWindowFactory);
+        break;
+    case QVideoOutputControl::WidgetOutput:
+        m_captureSession->setVideoPreview(m_videoWidgetFactory);
+        break;
+    default:
+        qWarning("Invalid video output selection");
+        m_captureSession->setVideoPreview(0);
+        break;
+    }
+}
+