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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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