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1 /* | |
2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 // FakePeriodicVideoCapturer implements a fake cricket::VideoCapturer that | |
12 // creates video frames periodically after it has been started. | |
13 | |
14 #ifndef WEBRTC_API_TEST_FAKEPERIODICVIDEOCAPTURER_H_ | |
15 #define WEBRTC_API_TEST_FAKEPERIODICVIDEOCAPTURER_H_ | |
16 | |
17 #include <vector> | |
18 | |
19 #include "webrtc/base/thread.h" | |
20 #include "webrtc/media/base/fakevideocapturer.h" | |
21 | |
22 namespace webrtc { | |
23 | |
24 class FakePeriodicVideoCapturer : public cricket::FakeVideoCapturer, | |
25 public rtc::MessageHandler { | |
26 public: | |
27 FakePeriodicVideoCapturer() { | |
28 std::vector<cricket::VideoFormat> formats; | |
29 formats.push_back(cricket::VideoFormat(1280, 720, | |
30 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
31 formats.push_back(cricket::VideoFormat(640, 480, | |
32 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
33 formats.push_back(cricket::VideoFormat(640, 360, | |
34 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
35 formats.push_back(cricket::VideoFormat(320, 240, | |
36 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
37 formats.push_back(cricket::VideoFormat(160, 120, | |
38 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
39 ResetSupportedFormats(formats); | |
40 } | |
41 | |
42 virtual cricket::CaptureState Start(const cricket::VideoFormat& format) { | |
43 cricket::CaptureState state = FakeVideoCapturer::Start(format); | |
44 if (state != cricket::CS_FAILED) { | |
45 rtc::Thread::Current()->Post(RTC_FROM_HERE, this, MSG_CREATEFRAME); | |
46 } | |
47 return state; | |
48 } | |
49 virtual void Stop() { | |
50 rtc::Thread::Current()->Clear(this); | |
51 } | |
52 // Inherited from MesageHandler. | |
53 virtual void OnMessage(rtc::Message* msg) { | |
54 if (msg->message_id == MSG_CREATEFRAME) { | |
55 if (IsRunning()) { | |
56 CaptureFrame(); | |
57 rtc::Thread::Current()->PostDelayed( | |
58 RTC_FROM_HERE, static_cast<int>(GetCaptureFormat()->interval / | |
59 rtc::kNumNanosecsPerMillisec), | |
60 this, MSG_CREATEFRAME); | |
61 } | |
62 } | |
63 } | |
64 | |
65 private: | |
66 enum { | |
67 // Offset 0xFF to make sure this don't collide with base class messages. | |
68 MSG_CREATEFRAME = 0xFF | |
69 }; | |
70 }; | |
71 | |
72 } // namespace webrtc | |
73 | |
74 #endif // WEBRTC_API_TEST_FAKEPERIODICVIDEOCAPTURER_H_ | |
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