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