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    41 

    42 #include "qgstreamercaptureservice_maemo.h"

    43 #include "qgstreamercapturesession_maemo.h"

    44 #include "qgstreamerrecordercontrol_maemo.h"

    45 #include "qgstreamermediacontainercontrol_maemo.h"

    46 #include "qgstreameraudioencode_maemo.h"

    47 #include "qgstreamervideoencode_maemo.h"

    48 #include "qgstreamerbushelper.h"

    49 #include "qgstreamercapturemetadatacontrol_maemo.h"

    50 

    51 #include "qgstreamervideooutputcontrol.h"

    52 #include "qgstreameraudioinputendpointselector.h"

    53 #include "qgstreamervideoinputdevicecontrol.h"

    54 

    55 #include "qgstreamervideooverlay.h"

    56 #include "qgstreamervideorenderer.h"

    57 

    58 #include "qgstreamervideowidget.h"

    59 

    60 #include <qmediaserviceprovider.h>

    61 

    62 #include <QtCore/qdebug.h>

    63 

    64 class QGstreamerVideoRendererWrapper : public QGstreamerElementFactory

    65 {

    66 public:

    67     QGstreamerVideoRendererWrapper(QGstreamerVideoRendererInterface *videoRenderer)

    68         :m_videoRenderer(videoRenderer),

    69          m_bin(0),

    70          m_element(0),

    71          m_colorspace(0)

    72     {

    73     }

    74 

    75     virtual ~QGstreamerVideoRendererWrapper()

    76     {

    77         if (m_bin)

    78             gst_object_unref(GST_OBJECT(m_bin));

    79     }

    80 

    81     GstElement *buildElement()

    82     {

    83 #ifdef Q_WS_MAEMO_5

    84         return m_element = m_videoRenderer->videoSink();

    85 #endif

    86         if (m_bin == NULL) {

    87             GstBin * bin = GST_BIN(gst_bin_new(NULL));

    88 

    89             m_colorspace = gst_element_factory_make("ffmpegcolorspace", NULL);

    90             m_element = m_videoRenderer->videoSink();

    91 

    92             gst_bin_add(bin, m_colorspace);

    93             gst_bin_add(bin, m_element);

    94             gst_element_link(m_colorspace, m_element);

    95 

    96             // add ghostpads

    97             GstPad *pad = gst_element_get_static_pad(m_colorspace, "sink");

    98             gst_element_add_pad(GST_ELEMENT(bin), gst_ghost_pad_new("sink", pad));

    99             gst_object_unref(GST_OBJECT(pad));

   100 

   101             m_bin = GST_ELEMENT(bin);

   102         }

   103 

   104         m_videoRenderer->precessNewStream();

   105 

   106         gst_object_ref(GST_OBJECT(m_bin));

   107         return m_bin;

   108     }

   109 

   110     void prepareWinId()

   111     {

   112         m_videoRenderer->precessNewStream();

   113     }

   114 

   115 private:

   116     QGstreamerVideoRendererInterface *m_videoRenderer;

   117 

   118     GstElement *m_bin;

   119     GstElement *m_element;

   120     GstElement *m_colorspace;

   121 };

   122 

   123 

   124 QGstreamerCaptureService::QGstreamerCaptureService(const QString &service, QObject *parent):

   125     QMediaService(parent)

   126 {

   127     static bool initialized = false;

   128     if (!initialized) {

   129         initialized = true;

   130         gst_init(NULL, NULL);

   131     }

   132 

   133     m_captureSession = 0;

   134     m_cameraControl = 0;

   135     m_metaDataControl = 0;

   136 

   137     m_audioInputEndpointSelector = 0;

   138     m_videoInputDevice = 0;

   139 

   140     m_videoOutput = 0;

   141     m_videoRenderer = 0;

   142     m_videoRendererFactory = 0;

   143     m_videoWindow = 0;

   144     m_videoWindowFactory = 0;

   145     m_videoWidgetControl = 0;

   146     m_videoWidgetFactory = 0;

   147     m_imageCaptureControl = 0;

   148 

   149 

   150     if (service == Q_MEDIASERVICE_AUDIOSOURCE) {

   151         m_captureSession = new QGstreamerCaptureSession(QGstreamerCaptureSession::Audio, this);

   152     }

   153 

   154     bool captureVideo = false;

   155     

   156     if (captureVideo) {

   157         m_captureSession = new QGstreamerCaptureSession(QGstreamerCaptureSession::AudioAndVideo, this);

   158         //TODO:m_captureSession->setVideoInput(m_cameraControl);

   159         m_videoInputDevice = new QGstreamerVideoInputDeviceControl(m_captureSession);

   160 

   161         //TODO:connect(m_videoInputDevice, SIGNAL(selectedDeviceChanged(QString)),

   162         //        m_cameraControl, SLOT(setDevice(QString)));

   163 

   164         //TODO:if (m_videoInputDevice->deviceCount())

   165         //    m_cameraControl->setDevice(m_videoInputDevice->deviceName(m_videoInputDevice->selectedDevice()));

   166 

   167         m_videoOutput = new QGstreamerVideoOutputControl(this);

   168         connect(m_videoOutput, SIGNAL(outputChanged(QVideoOutputControl::Output)),

   169                 this, SLOT(videoOutputChanged(QVideoOutputControl::Output)));

   170 

   171         m_videoRenderer = new QGstreamerVideoRenderer(this);

   172         m_videoRendererFactory = new QGstreamerVideoRendererWrapper(m_videoRenderer);

   173         m_videoWindow = new QGstreamerVideoOverlay(this);

   174         m_videoWindowFactory = new QGstreamerVideoRendererWrapper(m_videoWindow);

   175 

   176         m_videoWidgetControl = new QGstreamerVideoWidgetControl(this);

   177         m_videoWidgetFactory = new QGstreamerVideoRendererWrapper(m_videoWidgetControl);

   178 

   179         m_videoOutput->setAvailableOutputs(QList<QVideoOutputControl::Output>()

   180                                            << QVideoOutputControl::RendererOutput

   181                                            << QVideoOutputControl::WindowOutput

   182                                            << QVideoOutputControl::WidgetOutput);

   183     }

   184     

   185     if (!m_captureSession) {

   186         qWarning() << "Service type is not supported:" << service;

   187         return;

   188     }

   189 

   190     m_audioInputEndpointSelector = new QGstreamerAudioInputEndpointSelector(this);

   191     connect(m_audioInputEndpointSelector, SIGNAL(activeEndpointChanged(QString)), m_captureSession, SLOT(setCaptureDevice(QString)));

   192 

   193     if (m_captureSession && m_audioInputEndpointSelector->availableEndpoints().size() > 0)

   194         m_captureSession->setCaptureDevice(m_audioInputEndpointSelector->defaultEndpoint());

   195 

   196     m_metaDataControl = new QGstreamerCaptureMetaDataControl(this);

   197     connect(m_metaDataControl, SIGNAL(metaDataChanged(QMap<QByteArray,QVariant>)),

   198             m_captureSession, SLOT(setMetaData(QMap<QByteArray,QVariant>)));

   199 }

   200 

   201 QGstreamerCaptureService::~QGstreamerCaptureService()

   202 {

   203 }

   204 

   205 QMediaControl *QGstreamerCaptureService::control(const char *name) const

   206 {

   207     if (qstrcmp(name, QVideoOutputControl_iid) == 0)

   208         return m_videoOutput;

   209 

   210     if (qstrcmp(name, QVideoRendererControl_iid) == 0)

   211         return m_videoRenderer;

   212 

   213     if (qstrcmp(name, QVideoWindowControl_iid) == 0)

   214         return m_videoWindow;

   215 

   216     if (qstrcmp(name, QVideoWidgetControl_iid) == 0)

   217         return m_videoWidgetControl;

   218 

   219     if (qstrcmp(name,QAudioEndpointSelector_iid) == 0)

   220         return m_audioInputEndpointSelector;

   221 

   222     if (qstrcmp(name,QVideoDeviceControl_iid) == 0)

   223         return m_videoInputDevice;

   224 

   225     if (qstrcmp(name,QMediaRecorderControl_iid) == 0)

   226         return m_captureSession->recorderControl();

   227 

   228     if (qstrcmp(name,QAudioEncoderControl_iid) == 0)

   229         return m_captureSession->audioEncodeControl();

   230 

   231     if (qstrcmp(name,QVideoEncoderControl_iid) == 0)

   232         return m_captureSession->videoEncodeControl();

   233 

   234     if (qstrcmp(name,QMediaContainerControl_iid) == 0)

   235         return m_captureSession->mediaContainerControl();

   236 

   237     if (qstrcmp(name,QMetaDataControl_iid) == 0)

   238         return m_metaDataControl;

   239 

   240     return 0;

   241 }

   242 

   243 void QGstreamerCaptureService::videoOutputChanged(QVideoOutputControl::Output output)

   244 {

   245     switch (output) {

   246     case QVideoOutputControl::NoOutput:

   247         m_captureSession->setVideoPreview(0);

   248         break;

   249     case QVideoOutputControl::RendererOutput:

   250         m_captureSession->setVideoPreview(m_videoRendererFactory);

   251         break;

   252     case QVideoOutputControl::WindowOutput:

   253         m_captureSession->setVideoPreview(m_videoWindowFactory);

   254         break;

   255     case QVideoOutputControl::WidgetOutput:

   256         m_captureSession->setVideoPreview(m_videoWidgetFactory);

   257         break;

   258     default:

   259         qWarning("Invalid video output selection");

   260         m_captureSession->setVideoPreview(0);

   261         break;

   262     }

   263 }

   264