Argus Camera Sample Argus Camera Sample

- Main Page
- Related Pages
- Namespaces
- Classes
- Files

- File List
- File Members

All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
VideoRecord.h
Go to the documentation of this file.
1 /*
2 * Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of NVIDIA CORPORATION nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
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:
52 TaskVideoRecord();
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
86 TrackedUniqueObj<Argus::Request> m_request; ///< Argus request
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 output size changes
102 */
103 bool restartStreams(const Observed &source);
104 };
105
106 }; // namespace ArgusSamples
107
108 #endif // TASK_VIDEO_RECORD_H