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1 /* | |
2 * libjingle | |
3 * Copyright 2012 Google Inc. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright notice, | |
9 * this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 * this list of conditions and the following disclaimer in the documentation | |
12 * and/or other materials provided with the distribution. | |
13 * 3. The name of the author may not be used to endorse or promote products | |
14 * derived from this software without specific prior written permission. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | |
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
26 */ | |
27 | |
28 // FakePeriodicVideoCapturer implements a fake cricket::VideoCapturer that | |
29 // creates video frames periodically after it has been started. | |
30 | |
31 #ifndef TALK_APP_WEBRTC_TEST_FAKEPERIODICVIDEOCAPTURER_H_ | |
32 #define TALK_APP_WEBRTC_TEST_FAKEPERIODICVIDEOCAPTURER_H_ | |
33 | |
34 #include "talk/media/base/fakevideocapturer.h" | |
35 #include "webrtc/base/thread.h" | |
36 | |
37 namespace webrtc { | |
38 | |
39 class FakePeriodicVideoCapturer : public cricket::FakeVideoCapturer { | |
40 public: | |
41 FakePeriodicVideoCapturer() { | |
42 std::vector<cricket::VideoFormat> formats; | |
43 formats.push_back(cricket::VideoFormat(1280, 720, | |
44 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
45 formats.push_back(cricket::VideoFormat(640, 480, | |
46 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
47 formats.push_back(cricket::VideoFormat(640, 360, | |
48 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
49 formats.push_back(cricket::VideoFormat(320, 240, | |
50 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
51 formats.push_back(cricket::VideoFormat(160, 120, | |
52 cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420)); | |
53 ResetSupportedFormats(formats); | |
54 }; | |
55 | |
56 virtual cricket::CaptureState Start(const cricket::VideoFormat& format) { | |
57 cricket::CaptureState state = FakeVideoCapturer::Start(format); | |
58 if (state != cricket::CS_FAILED) { | |
59 rtc::Thread::Current()->Post(this, MSG_CREATEFRAME); | |
60 } | |
61 return state; | |
62 } | |
63 virtual void Stop() { | |
64 rtc::Thread::Current()->Clear(this); | |
65 } | |
66 // Inherited from MesageHandler. | |
67 virtual void OnMessage(rtc::Message* msg) { | |
68 if (msg->message_id == MSG_CREATEFRAME) { | |
69 if (IsRunning()) { | |
70 CaptureFrame(); | |
71 rtc::Thread::Current()->PostDelayed(static_cast<int>( | |
72 GetCaptureFormat()->interval / rtc::kNumNanosecsPerMillisec), | |
73 this, MSG_CREATEFRAME); | |
74 } | |
75 } else { | |
76 FakeVideoCapturer::OnMessage(msg); | |
77 } | |
78 } | |
79 | |
80 private: | |
81 enum { | |
82 // Offset 0xFF to make sure this don't collide with base class messages. | |
83 MSG_CREATEFRAME = 0xFF | |
84 }; | |
85 }; | |
86 | |
87 } // namespace webrtc | |
88 | |
89 #endif // TALK_APP_WEBRTC_TEST_FAKEPERIODICVIDEOCAPTURER_H_ | |
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