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1 /* | |
2 * Copyright 2015 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 #import "RTCPeerConnection+Private.h" | |
tkchin_webrtc
2016/02/11 18:19:42
webrtc/api
| |
12 | |
13 #include "webrtc/base/checks.h" | |
14 | |
15 #import "webrtc/api/objc/RTCMediaStreamTrack+Private.h" | |
16 #import "webrtc/api/objc/RTCStatsReport+Private.h" | |
17 #import "webrtc/base/objc/NSString+StdString.h" | |
18 | |
19 namespace webrtc { | |
20 class StatsObserverAdapter : public StatsObserver { | |
tkchin_webrtc
2016/02/11 18:19:42
nit: one blank line after namespace decl
| |
21 public: | |
22 StatsObserverAdapter(void (^completionHandler) | |
23 (NSArray<RTCStatsReport *> *stats)) { | |
24 completion_handler_ = completionHandler; | |
25 } | |
26 | |
27 ~StatsObserverAdapter() { | |
28 completion_handler_ = nil; | |
29 } | |
30 | |
31 void OnComplete(const StatsReports& reports) override { | |
32 RTC_DCHECK(completion_handler_); | |
33 NSMutableArray *stats = [NSMutableArray arrayWithCapacity:reports.size()]; | |
34 for (const auto* report : reports) { | |
35 RTCStatsReport *statsReport = | |
36 [[RTCStatsReport alloc] initWithNativeReport:*report]; | |
37 [stats addObject:statsReport]; | |
38 } | |
39 completion_handler_(stats); | |
40 completion_handler_ = nil; | |
41 } | |
42 | |
43 private: | |
44 void (^completion_handler_)(NSArray<RTCStatsReport *> *stats); | |
45 }; | |
46 } // namespace webrtc | |
47 | |
48 @implementation RTCPeerConnection (Stats) | |
49 | |
50 - (void)statsForTrack:(RTCMediaStreamTrack *)mediaStreamTrack | |
51 statsOutputLevel:(RTCStatsOutputLevel)statsOutputLevel | |
52 completionHandler: | |
53 (void (^)(NSArray<RTCStatsReport *> *stats))completionHandler { | |
54 rtc::scoped_refptr<webrtc::StatsObserverAdapter> observer( | |
55 new rtc::RefCountedObject<webrtc::StatsObserverAdapter> | |
56 (completionHandler)); | |
57 webrtc::PeerConnectionInterface::StatsOutputLevel nativeOutputLevel = | |
58 [[self class] nativeStatsOutputLevelForLevel:statsOutputLevel]; | |
59 self.nativePeerConnection->GetStats( | |
60 observer, mediaStreamTrack.nativeTrack, nativeOutputLevel); | |
61 } | |
62 | |
63 @end | |
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