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| 1 /* |
| 2 * Copyright 2017 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 "ARDBitrateAllocationStrategy.h" |
| 12 #import "WebRTC/RTCBitrateAllocationStrategy.h" |
| 13 |
| 14 #include "webrtc/rtc_base/bitrateallocationstrategy.h" |
| 15 |
| 16 constexpr uint32_t kSufficientAudioBitrate = 16000; |
| 17 |
| 18 @implementation ARDBitrateAllocationStrategy { |
| 19 rtc::AudioPriorityBitrateAllocationStrategy* audio_priority_strategy_; |
| 20 __weak RTCPeerConnection* _peerConnection; |
| 21 } |
| 22 |
| 23 - (id)init { |
| 24 if (self = [super init]) audio_priority_strategy_ = nullptr; |
| 25 _peerConnection = nil; |
| 26 return self; |
| 27 } |
| 28 |
| 29 - (void)setAudioPriorityStrategy:(RTCPeerConnection*)peerConnection |
| 30 audioTrackId:(NSString*)audioTrackId { |
| 31 _peerConnection = peerConnection; |
| 32 audio_priority_strategy_ = new rtc::AudioPriorityBitrateAllocationStrategy( |
| 33 std::string(audioTrackId.UTF8String), kSufficientAudioBitrate); |
| 34 [peerConnection setBitrateAllocationStrategy:[[RTCBitrateAllocationStrategy al
loc] |
| 35 initWith:audio_priority_strat
egy_]]; |
| 36 } |
| 37 |
| 38 - (void)dealloc { |
| 39 if (_peerConnection) { |
| 40 [_peerConnection setBitrateAllocationStrategy:nil]; |
| 41 } |
| 42 if (audio_priority_strategy_) { |
| 43 delete audio_priority_strategy_; |
| 44 audio_priority_strategy_ = nullptr; |
| 45 } |
| 46 } |
| 47 |
| 48 @end |
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