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VideoRecord.h
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1 /*
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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 "PerfTracker.h"
36 #include "UniquePointer.h"
37 #include "IObserver.h"
38 
39 namespace ArgusSamples
40 {
41 class EventThread;
42 class VideoPipeline;
43 
44 /**
45  * This task records a video and saves it to a file using gstreamer. It also creates a preview
46  * stream and display it using the renderer.
47  */
48 class TaskVideoRecord : public ITask, public IObserver
49 {
50 public:
52  virtual ~TaskVideoRecord();
53 
54  virtual bool initialize();
55  virtual bool shutdown();
56 
57  virtual bool start();
58  virtual bool stop();
59 
60  /**
61  * Start recording
62  */
63  bool startRecording();
64  /**
65  * Stop recording
66  */
67  bool stopRecording();
68  /**
69  * Toggle recording
70  */
71  bool toggleRecording();
72 
73 private:
74  bool m_initialized; ///< set if initialized
75  bool m_running; ///< set if preview is running
76  bool m_wasRunning; ///< set if was running before the device had been closed
77  bool m_recording; ///< if set recording is active
78  uint32_t m_captureIndex; ///< Incrementing capture index
79 
80  VideoPipeline *m_videoPipeline; ///< video pipeline
81 
82  UniquePointer<EventThread> m_eventThread;
84 
85  Argus::UniqueObj<Argus::Request> m_request; ///< Argus request
86  Argus::UniqueObj<Argus::OutputStream> m_videoStream; ///< Argus video output stream
87  Argus::UniqueObj<Argus::OutputStream> m_previewStream; ///< Argus preview output stream
88 
89  /**
90  * Callback when the device is opened/closed.
91  */
92  bool onDeviceOpenChanged(const Observed &source);
93 };
94 
95 }; // namespace ArgusSamples
96 
97 #endif // TASK_VIDEO_RECORD_H