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/*
* 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 MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_
#define MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_
#include "modules/audio_coding/codecs/isac/bandwidth_info.h"
#include "rtc_base/atomic_ops.h"
#include "rtc_base/critical_section.h"
#include "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 // MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_