| /* |
| * Copyright (c) 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. |
| */ |
| |
| #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_ |
| #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_ |
| |
| #include "webrtc/modules/audio_coding/codecs/isac/bandwidth_info.h" |
| #include "webrtc/rtc_base/atomicops.h" |
| #include "webrtc/rtc_base/criticalsection.h" |
| #include "webrtc/rtc_base/thread_annotations.h" |
| |
| namespace webrtc { |
| |
| // An IsacBandwidthInfo that's safe to access from multiple threads because |
| // it's protected by a mutex. |
| class LockedIsacBandwidthInfo final { |
| public: |
| LockedIsacBandwidthInfo(); |
| ~LockedIsacBandwidthInfo(); |
| |
| IsacBandwidthInfo Get() const { |
| rtc::CritScope lock(&lock_); |
| return bwinfo_; |
| } |
| |
| void Set(const IsacBandwidthInfo& bwinfo) { |
| rtc::CritScope lock(&lock_); |
| bwinfo_ = bwinfo; |
| } |
| |
| int AddRef() const { return rtc::AtomicOps::Increment(&ref_count_); } |
| |
| int Release() const { |
| const int count = rtc::AtomicOps::Decrement(&ref_count_); |
| if (count == 0) { |
| delete this; |
| } |
| return count; |
| } |
| |
| private: |
| mutable volatile int ref_count_; |
| rtc::CriticalSection lock_; |
| IsacBandwidthInfo bwinfo_ RTC_GUARDED_BY(lock_); |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_ |