75 lines
2.6 KiB
C++
75 lines
2.6 KiB
C++
/*
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* Copyright 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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// FakePeriodicVideoCapturer implements a fake cricket::VideoCapturer that
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// creates video frames periodically after it has been started.
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#ifndef WEBRTC_API_TEST_FAKEPERIODICVIDEOCAPTURER_H_
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#define WEBRTC_API_TEST_FAKEPERIODICVIDEOCAPTURER_H_
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#include <vector>
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#include "webrtc/base/thread.h"
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#include "webrtc/media/base/fakevideocapturer.h"
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namespace webrtc {
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class FakePeriodicVideoCapturer : public cricket::FakeVideoCapturer,
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public rtc::MessageHandler {
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public:
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FakePeriodicVideoCapturer() {
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std::vector<cricket::VideoFormat> formats;
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formats.push_back(cricket::VideoFormat(1280, 720,
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cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
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formats.push_back(cricket::VideoFormat(640, 480,
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cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
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formats.push_back(cricket::VideoFormat(640, 360,
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cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
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formats.push_back(cricket::VideoFormat(320, 240,
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cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
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formats.push_back(cricket::VideoFormat(160, 120,
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cricket::VideoFormat::FpsToInterval(30), cricket::FOURCC_I420));
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ResetSupportedFormats(formats);
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}
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virtual cricket::CaptureState Start(const cricket::VideoFormat& format) {
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cricket::CaptureState state = FakeVideoCapturer::Start(format);
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if (state != cricket::CS_FAILED) {
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rtc::Thread::Current()->Post(RTC_FROM_HERE, this, MSG_CREATEFRAME);
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}
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return state;
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}
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virtual void Stop() {
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rtc::Thread::Current()->Clear(this);
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}
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// Inherited from MesageHandler.
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virtual void OnMessage(rtc::Message* msg) {
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if (msg->message_id == MSG_CREATEFRAME) {
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if (IsRunning()) {
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CaptureFrame();
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rtc::Thread::Current()->PostDelayed(
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RTC_FROM_HERE, static_cast<int>(GetCaptureFormat()->interval /
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rtc::kNumNanosecsPerMillisec),
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this, MSG_CREATEFRAME);
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}
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}
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}
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private:
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enum {
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// Offset 0xFF to make sure this don't collide with base class messages.
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MSG_CREATEFRAME = 0xFF
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};
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};
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} // namespace webrtc
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#endif // WEBRTC_API_TEST_FAKEPERIODICVIDEOCAPTURER_H_
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