1 /*
2  *  Copyright (c) 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 #ifndef WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_
12 #define WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_
13 
14 #include "webrtc/base/scoped_ptr.h"
15 #include "webrtc/base/thread_annotations.h"
16 #include "webrtc/modules/audio_coding/codecs/isac/bandwidth_info.h"
17 #include "webrtc/system_wrappers/include/critical_section_wrapper.h"
18 
19 namespace webrtc {
20 
21 // An IsacBandwidthInfo that's safe to access from multiple threads because
22 // it's protected by a mutex.
23 class LockedIsacBandwidthInfo final {
24  public:
25   LockedIsacBandwidthInfo();
26   ~LockedIsacBandwidthInfo();
27 
Get()28   IsacBandwidthInfo Get() const {
29     CriticalSectionScoped cs(lock_.get());
30     return bwinfo_;
31   }
32 
Set(const IsacBandwidthInfo & bwinfo)33   void Set(const IsacBandwidthInfo& bwinfo) {
34     CriticalSectionScoped cs(lock_.get());
35     bwinfo_ = bwinfo;
36   }
37 
38  private:
39   const rtc::scoped_ptr<CriticalSectionWrapper> lock_;
40   IsacBandwidthInfo bwinfo_ GUARDED_BY(lock_);
41 };
42 
43 }  // namespace webrtc
44 
45 #endif  // WEBRTC_MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_
46