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    41 

    42 #ifndef QGSTREAMERCAPTURESESSION_MAEMO_H

    43 #define QGSTREAMERCAPTURESESSION_MAEMO_H

    44 

    45 #include <qmediarecordercontrol.h>

    46 

    47 #include <QtCore/qurl.h>

    48 

    49 #include <gst/gst.h>

    50 

    51 #include "qgstreamerbushelper.h"

    52 

    53 QTM_USE_NAMESPACE

    54 

    55 class QGstreamerMessage;

    56 class QGstreamerBusHelper;

    57 class QGstreamerAudioEncode;

    58 class QGstreamerVideoEncode;

    59 class QGstreamerImageEncode;

    60 class QGstreamerRecorderControl;

    61 class QGstreamerMediaContainerControl;

    62 class QGstreamerCameraExposureControl;

    63 class QGstreamerCameraFocusControl;

    64 class QGstreamerImageProcessingControl;

    65 

    66 class QGstreamerElementFactory

    67 {

    68 public:

    69     virtual GstElement *buildElement() = 0;

    70     virtual void prepareWinId() {}

    71 };

    72 

    73 class QGstreamerVideoInput : public QGstreamerElementFactory

    74 {

    75 public:

    76     virtual QList<qreal> supportedFrameRates(const QSize &frameSize = QSize()) const = 0;

    77     virtual QList<QSize> supportedResolutions(qreal frameRate = -1) const = 0;

    78 };

    79 

    80 class QGstreamerCaptureSession : public QObject, public QGstreamerSyncEventFilter

    81 {

    82     Q_OBJECT

    83     Q_PROPERTY(qint64 duration READ duration NOTIFY durationChanged)

    84     Q_ENUMS(State)

    85     Q_ENUMS(CaptureMode)

    86 

    87 public:

    88     enum CaptureMode { Audio = 1, Video = 2, AudioAndVideo = Audio | Video };

    89     enum State { StoppedState, PreviewState, PausedState, RecordingState };

    90 

    91     QGstreamerCaptureSession(CaptureMode captureMode, QObject *parent);

    92     ~QGstreamerCaptureSession();

    93 

    94     CaptureMode captureMode() const { return m_captureMode; }

    95 

    96     QUrl outputLocation() const;

    97     bool setOutputLocation(const QUrl& sink);

    98 

    99     QGstreamerAudioEncode *audioEncodeControl() const { return m_audioEncodeControl; }

   100     QGstreamerVideoEncode *videoEncodeControl() const { return m_videoEncodeControl; }

   101     QGstreamerImageEncode *imageEncodeControl() const { return m_imageEncodeControl; }

   102 

   103     QGstreamerRecorderControl *recorderControl() const { return m_recorderControl; }

   104     QGstreamerMediaContainerControl *mediaContainerControl() const { return m_mediaContainerControl; }

   105 

   106     QGstreamerElementFactory *audioInput() const { return m_audioInputFactory; }

   107     void setAudioInput(QGstreamerElementFactory *audioInput);

   108 

   109     QGstreamerElementFactory *audioPreview() const { return m_audioPreviewFactory; }

   110     void setAudioPreview(QGstreamerElementFactory *audioPreview);

   111 

   112     QGstreamerVideoInput *videoInput() const { return m_videoInputFactory; }

   113     void setVideoInput(QGstreamerVideoInput *videoInput);

   114 

   115     QGstreamerElementFactory *videoPreview() const { return m_videoPreviewFactory; }

   116     void setVideoPreview(QGstreamerElementFactory *videoPreview);

   117     

   118     State state() const;

   119     qint64 duration() const;

   120 

   121     bool processSyncMessage(const QGstreamerMessage &message);

   122 

   123 signals:

   124     void stateChanged(QGstreamerCaptureSession::State state);

   125     void durationChanged(qint64 duration);

   126     void error(int error, const QString &errorString);

   127 

   128 public slots:

   129     void setState(QGstreamerCaptureSession::State);

   130     void setCaptureDevice(const QString &deviceName);

   131     void setMetaData(const QMap<QByteArray, QVariant>&);

   132 

   133 private slots:

   134     void busMessage(const QGstreamerMessage &message);

   135 

   136 private:

   137     enum PipelineMode { EmptyPipeline, PreviewPipeline, RecordingPipeline, PreviewAndRecordingPipeline };

   138 

   139     void setupCameraBin();

   140     GstElement *buildVideoSrc();

   141     void buildAudioEncodeBin();

   142 

   143     QUrl m_sink;

   144     QString m_captureDevice;

   145     State m_state;

   146     State m_pendingState;

   147     bool m_waitingForEos;

   148     PipelineMode m_pipelineMode;

   149     QGstreamerCaptureSession::CaptureMode m_captureMode;

   150     QMap<QByteArray, QVariant> m_metaData;

   151 

   152     QGstreamerElementFactory *m_audioInputFactory;

   153     QGstreamerElementFactory *m_audioPreviewFactory;

   154     QGstreamerVideoInput *m_videoInputFactory;

   155     QGstreamerElementFactory *m_videoPreviewFactory;

   156 

   157     QGstreamerAudioEncode *m_audioEncodeControl;

   158     QGstreamerVideoEncode *m_videoEncodeControl;

   159     QGstreamerImageEncode *m_imageEncodeControl;

   160     QGstreamerRecorderControl *m_recorderControl;

   161     QGstreamerMediaContainerControl *m_mediaContainerControl;

   162     QGstreamerCameraExposureControl *m_cameraExposureControl;

   163     QGstreamerCameraFocusControl *m_cameraFocusControl;

   164     QGstreamerImageProcessingControl *m_imageProcessingControl;

   165 

   166     QGstreamerBusHelper *m_busHelper;

   167     GstBus* m_bus;

   168     GstElement *m_pipeline;

   169     GstElement *m_videoSrc;

   170     bool m_videoPreviewFactoryHasChanged;

   171 

   172     GstElement *m_audioSrc;

   173     GstElement *m_audioConvert;

   174     GstElement *m_capsFilter;

   175     GstElement *m_fileSink;

   176     GstElement *m_audioEncoder;

   177     GstElement *m_muxer;

   178 public:

   179     QString m_imageFileName;

   180 };

   181 

   182 #endif // QGSTREAMERCAPTURESESSION_MAEMO_H