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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 "qgstreameraudioinputendpointselector.h"

    52 #include "qgstreamervideoinputdevicecontrol.h"

    53 

    54 #include "qgstreamervideooverlay.h"

    55 #include "qgstreamervideorenderer.h"

    56 

    57 #include "qgstreamervideowidget.h"

    58 

    59 #include <qmediaserviceprovider.h>

    60 

    61 #include <QtCore/qdebug.h>

    62 

    63 class QGstreamerVideoRendererWrapper : public QGstreamerElementFactory

    64 {

    65 public:

    66     QGstreamerVideoRendererWrapper(QGstreamerVideoRendererInterface *videoRenderer)

    67         :m_videoRenderer(videoRenderer),

    68          m_bin(0),

    69          m_element(0),

    70          m_colorspace(0)

    71     {

    72     }

    73 

    74     virtual ~QGstreamerVideoRendererWrapper()

    75     {

    76         if (m_bin)

    77             gst_object_unref(GST_OBJECT(m_bin));

    78     }

    79 

    80     GstElement *buildElement()

    81     {

    82 #ifdef Q_WS_MAEMO_5

    83         return m_element = m_videoRenderer->videoSink();

    84 #endif

    85         if (m_bin == NULL) {

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

    87 

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

    89             m_element = m_videoRenderer->videoSink();

    90 

    91             gst_bin_add(bin, m_colorspace);

    92             gst_bin_add(bin, m_element);

    93             gst_element_link(m_colorspace, m_element);

    94 

    95             // add ghostpads

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

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

    98             gst_object_unref(GST_OBJECT(pad));

    99 

   100             m_bin = GST_ELEMENT(bin);

   101         }

   102 

   103         m_videoRenderer->precessNewStream();

   104 

   105         gst_object_ref(GST_OBJECT(m_bin));

   106         return m_bin;

   107     }

   108 

   109     void prepareWinId()

   110     {

   111         m_videoRenderer->precessNewStream();

   112     }

   113 

   114 private:

   115     QGstreamerVideoRendererInterface *m_videoRenderer;

   116 

   117     GstElement *m_bin;

   118     GstElement *m_element;

   119     GstElement *m_colorspace;

   120 };

   121 

   122 

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

   124     QMediaService(parent)

   125 {

   126     static bool initialized = false;

   127     if (!initialized) {

   128         initialized = true;

   129         gst_init(NULL, NULL);

   130     }

   131 

   132     m_captureSession = 0;

   133     m_cameraControl = 0;

   134     m_metaDataControl = 0;

   135 

   136     m_audioInputEndpointSelector = 0;

   137     m_videoInputDevice = 0;

   138 

   139     m_videoRenderer = 0;

   140     m_videoRendererFactory = 0;

   141     m_videoWindow = 0;

   142     m_videoWindowFactory = 0;

   143     m_videoWidgetControl = 0;

   144     m_videoWidgetFactory = 0;

   145     m_imageCaptureControl = 0;

   146 

   147 

   148     if (service == Q_MEDIASERVICE_AUDIOSOURCE) {

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

   150     }

   151 

   152     bool captureVideo = false;

   153     

   154     if (captureVideo) {

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

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

   157         m_videoInputDevice = new QGstreamerVideoInputDeviceControl(m_captureSession);

   158 

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

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

   161 

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

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

   164 

   165         m_videoRenderer = new QGstreamerVideoRenderer(this);

   166         m_videoRendererFactory = new QGstreamerVideoRendererWrapper(m_videoRenderer);

   167         m_videoWindow = new QGstreamerVideoOverlay(this);

   168         m_videoWindowFactory = new QGstreamerVideoRendererWrapper(m_videoWindow);

   169 

   170         m_videoWidgetControl = new QGstreamerVideoWidgetControl(this);

   171         m_videoWidgetFactory = new QGstreamerVideoRendererWrapper(m_videoWidgetControl);

   172 

   173     }

   174     

   175     if (!m_captureSession) {

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

   177         return;

   178     }

   179 

   180     m_audioInputEndpointSelector = new QGstreamerAudioInputEndpointSelector(this);

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

   182 

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

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

   185 

   186     m_metaDataControl = new QGstreamerCaptureMetaDataControl(this);

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

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

   189 }

   190 

   191 QGstreamerCaptureService::~QGstreamerCaptureService()

   192 {

   193 }

   194 

   195 QMediaControl *QGstreamerCaptureService::requestControl(const char *name)

   196 {

   197     if (!m_captureSession)

   198         return 0;

   199 

   200     if (!m_videoOutput) {

   201         if (qstrcmp(name, QVideoRendererControl_iid) == 0) {

   202             m_videoOutput = m_videoRenderer;

   203             m_captureSession->setVideoPreview(m_videoRendererFactory);

   204         } else if (qstrcmp(name, QVideoWindowControl_iid) == 0) {

   205             m_videoOutput = m_videoWindow;

   206             m_captureSession->setVideoPreview(m_videoWindowFactory);

   207         } else if (qstrcmp(name, QVideoWidgetControl_iid) == 0) {

   208             m_captureSession->setVideoPreview(m_videoWidgetFactory);

   209             m_videoOutput = m_videoWidgetControl;

   210         }

   211 

   212         if (m_videoOutput)

   213             return m_videoOutput;

   214     }

   215 

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

   217         return m_audioInputEndpointSelector;

   218 

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

   220         return m_videoInputDevice;

   221 

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

   223         return m_captureSession->recorderControl();

   224 

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

   226         return m_captureSession->audioEncodeControl();

   227 

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

   229         return m_captureSession->videoEncodeControl();

   230 

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

   232         return m_captureSession->mediaContainerControl();

   233 

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

   235         return m_metaDataControl;

   236 

   237     return 0;

   238 }

   239 

   240 void QGstreamerCaptureService::releaseControl(QMediaControl *control)

   241 {

   242     if (control && control == m_videoOutput) {

   243         m_videoOutput = 0;

   244         m_captureSession->setVideoPreview(0);

   245     }

   246 }

   247 

   248