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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/*
* Copyright 2015 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.
*/
#include "webrtc/api/mediacontroller.h"
#include <memory>
#include "webrtc/base/bind.h"
#include "webrtc/base/checks.h"
#include "webrtc/base/constructormagic.h"
#include "webrtc/call/call.h"
#include "webrtc/pc/channelmanager.h"
#include "webrtc/media/base/mediachannel.h"
namespace {
const int kMinBandwidthBps = 30000;
const int kStartBandwidthBps = 300000;
const int kMaxBandwidthBps = 2000000;
class MediaController : public webrtc::MediaControllerInterface,
public sigslot::has_slots<> {
public:
MediaController(const cricket::MediaConfig& media_config,
rtc::Thread* worker_thread,
cricket::ChannelManager* channel_manager,
webrtc::RtcEventLog* event_log)
: worker_thread_(worker_thread),
media_config_(media_config),
channel_manager_(channel_manager),
call_config_(event_log) {
RTC_DCHECK(worker_thread);
RTC_DCHECK(event_log);
worker_thread_->Invoke<void>(RTC_FROM_HERE,
rtc::Bind(&MediaController::Construct_w, this,
channel_manager_->media_engine()));
}
~MediaController() override {
Close();
}
// webrtc::MediaControllerInterface implementation.
void Close() override {
worker_thread_->Invoke<void>(RTC_FROM_HERE,
rtc::Bind(&MediaController::Close_w, this));
}
webrtc::Call* call_w() override {
RTC_DCHECK(worker_thread_->IsCurrent());
if (!call_) {
call_.reset(webrtc::Call::Create(call_config_));
}
return call_.get();
}
cricket::ChannelManager* channel_manager() const override {
return channel_manager_;
}
const cricket::MediaConfig& config() const override { return media_config_; }
private:
void Construct_w(cricket::MediaEngineInterface* media_engine) {
RTC_DCHECK(worker_thread_->IsCurrent());
RTC_DCHECK(media_engine);
call_config_.audio_state = media_engine->GetAudioState();
call_config_.bitrate_config.min_bitrate_bps = kMinBandwidthBps;
call_config_.bitrate_config.start_bitrate_bps = kStartBandwidthBps;
call_config_.bitrate_config.max_bitrate_bps = kMaxBandwidthBps;
}
void Close_w() {
RTC_DCHECK(worker_thread_->IsCurrent());
call_.reset();
}
rtc::Thread* const worker_thread_;
const cricket::MediaConfig media_config_;
cricket::ChannelManager* const channel_manager_;
webrtc::Call::Config call_config_;
std::unique_ptr<webrtc::Call> call_;
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(MediaController);
};
} // namespace {
namespace webrtc {
MediaControllerInterface* MediaControllerInterface::Create(
const cricket::MediaConfig& config,
rtc::Thread* worker_thread,
cricket::ChannelManager* channel_manager,
webrtc::RtcEventLog* event_log) {
return new MediaController(config, worker_thread, channel_manager, event_log);
}
} // namespace webrtc
|
