Index: webrtc/call/ringbuffer.h |
diff --git a/webrtc/call/ringbuffer.h b/webrtc/call/ringbuffer.h |
deleted file mode 100644 |
index fa5e4227ff713519892b4ced375cb8d258856262..0000000000000000000000000000000000000000 |
--- a/webrtc/call/ringbuffer.h |
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@@ -1,100 +0,0 @@ |
-/* |
- * 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_CALL_RINGBUFFER_H_ |
-#define WEBRTC_CALL_RINGBUFFER_H_ |
- |
-#include <memory> |
-#include <utility> |
- |
-#include "webrtc/base/checks.h" |
-#include "webrtc/base/constructormagic.h" |
- |
-namespace webrtc { |
- |
-// A RingBuffer works like a fixed size queue which starts discarding |
-// the oldest elements when it becomes full. |
-template <typename T> |
-class RingBuffer { |
- public: |
- // Creates a RingBuffer with space for |capacity| elements. |
- explicit RingBuffer(size_t capacity) |
- : // We allocate space for one extra sentinel element. |
- data_(new T[capacity + 1]) { |
- RTC_DCHECK(capacity > 0); |
- end_ = data_.get() + (capacity + 1); |
- front_ = data_.get(); |
- back_ = data_.get(); |
- } |
- |
- ~RingBuffer() { |
- // The unique_ptr will free the memory. |
- } |
- |
- // Removes an element from the front of the queue. |
- void pop_front() { |
- RTC_DCHECK(!empty()); |
- ++front_; |
- if (front_ == end_) { |
- front_ = data_.get(); |
- } |
- } |
- |
- // Appends an element to the back of the queue (and removes an |
- // element from the front if there is no space at the back of the queue). |
- void push_back(const T& elem) { |
- *back_ = elem; |
- ++back_; |
- if (back_ == end_) { |
- back_ = data_.get(); |
- } |
- if (back_ == front_) { |
- ++front_; |
- } |
- if (front_ == end_) { |
- front_ = data_.get(); |
- } |
- } |
- |
- // Appends an element to the back of the queue (and removes an |
- // element from the front if there is no space at the back of the queue). |
- void push_back(T&& elem) { |
- *back_ = std::move(elem); |
- ++back_; |
- if (back_ == end_) { |
- back_ = data_.get(); |
- } |
- if (back_ == front_) { |
- ++front_; |
- } |
- if (front_ == end_) { |
- front_ = data_.get(); |
- } |
- } |
- |
- T& front() { return *front_; } |
- |
- const T& front() const { return *front_; } |
- |
- bool empty() const { return (front_ == back_); } |
- |
- private: |
- std::unique_ptr<T[]> data_; |
- T* end_; |
- T* front_; |
- T* back_; |
- |
- RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(RingBuffer); |
-}; |
- |
-} // namespace webrtc |
- |
-#endif // WEBRTC_CALL_RINGBUFFER_H_ |