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/base/thread.h" 35 #include "talk/media/base/fakevideocapturer.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 talk_base::Thread::Current()->Post(this, MSG_CREATEFRAME); 60 } 61 return state; 62 } 63 virtual void Stop() { 64 talk_base::Thread::Current()->Clear(this); 65 } 66 // Inherited from MesageHandler. 67 virtual void OnMessage(talk_base::Message* msg) { 68 if (msg->message_id == MSG_CREATEFRAME) { 69 if (IsRunning()) { 70 CaptureFrame(); 71 talk_base::Thread::Current()->PostDelayed(static_cast<int>( 72 GetCaptureFormat()->interval / talk_base::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_ 90
