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