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VideoRecord.h
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28 
29 #ifndef TASK_VIDEO_RECORD_H
30 #define TASK_VIDEO_RECORD_H
31 
32 #include <Argus/Argus.h>
33 
34 #include "ITask.h"
35 #include "UniquePointer.h"
36 #include "IObserver.h"
37 #include "TrackedUniqueObject.h"
38 
39 namespace ArgusSamples
40 {
41 
42 class SessionPerfTracker;
43 class VideoPipeline;
44 
45 /**
46  * This task records a video and saves it to a file using gstreamer. It also creates a preview
47  * stream and display it using the composer.
48  */
49 class TaskVideoRecord : public ITask, public IObserver
50 {
51 public:
53  virtual ~TaskVideoRecord();
54 
55  virtual bool initialize();
56  virtual bool shutdown();
57 
58  virtual bool start();
59  virtual bool stop();
60 
61  /**
62  * Start recording
63  */
64  bool startRecording();
65  /**
66  * Stop recording
67  */
68  bool stopRecording();
69  /**
70  * Toggle recording
71  */
72  bool toggleRecording();
73 
74 private:
75  bool m_initialized; ///< set if initialized
76  bool m_running; ///< set if preview is running
77  bool m_wasRunning; ///< set if was running before the device had been closed
78  bool m_prevRunning; ///< set if was running before the sensorModeValid is set to false
79  bool m_recording; ///< if set recording is active
80  uint32_t m_captureIndex; ///< Incrementing capture index
81 
82  VideoPipeline *m_videoPipeline; ///< video pipeline
83 
84  UniquePointer<SessionPerfTracker> m_perfTracker;
85 
87  Argus::UniqueObj<Argus::OutputStream> m_videoStream; ///< Argus video output stream
88  Argus::UniqueObj<Argus::OutputStream> m_previewStream; ///< Argus preview output stream
89 
90  /**
91  * Callback when the device is opened/closed.
92  */
93  bool onDeviceOpenChanged(const Observed &source);
94 
95  /**
96  * Callback when the sensorModeValid is changed.
97  */
98  bool onSensorModeValidChanged(const Observed &source);
99 
100  /**
101  * Restart when sensor mode or output size changes
102  */
103  bool restartStreams(const Observed &source);
104 };
105 
106 }; // namespace ArgusSamples
107 
108 #endif // TASK_VIDEO_RECORD_H