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https://github.com/danog/libtgvoip.git
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5caaaafa42
I'm now using the entire audio processing module from WebRTC as opposed to individual DSP algorithms pulled from there before. Seems to work better this way.
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
/*
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* Copyright 2017 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_REFCOUNTER_H_
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#define RTC_BASE_REFCOUNTER_H_
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#include "rtc_base/atomicops.h"
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#include "rtc_base/refcount.h"
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namespace webrtc {
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namespace webrtc_impl {
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class RefCounter {
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public:
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explicit RefCounter(int ref_count) : ref_count_(ref_count) {}
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RefCounter() = delete;
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void IncRef() { rtc::AtomicOps::Increment(&ref_count_); }
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// TODO(nisse): Switch return type to RefCountReleaseStatus?
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// Returns true if this was the last reference, and the resource protected by
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// the reference counter can be deleted.
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rtc::RefCountReleaseStatus DecRef() {
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return (rtc::AtomicOps::Decrement(&ref_count_) == 0)
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? rtc::RefCountReleaseStatus::kDroppedLastRef
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: rtc::RefCountReleaseStatus::kOtherRefsRemained;
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}
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// Return whether the reference count is one. If the reference count is used
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// in the conventional way, a reference count of 1 implies that the current
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// thread owns the reference and no other thread shares it. This call performs
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// the test for a reference count of one, and performs the memory barrier
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// needed for the owning thread to act on the resource protected by the
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// reference counter, knowing that it has exclusive access.
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bool HasOneRef() const {
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return rtc::AtomicOps::AcquireLoad(&ref_count_) == 1;
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}
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private:
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volatile int ref_count_;
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};
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} // namespace webrtc_impl
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} // namespace webrtc
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#endif // RTC_BASE_REFCOUNTER_H_
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