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1 /* | 1 /* |
2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_RTC_BASE_COPYONWRITEBUFFER_H_ | 11 #ifndef WEBRTC_RTC_BASE_COPYONWRITEBUFFER_H_ |
12 #define WEBRTC_RTC_BASE_COPYONWRITEBUFFER_H_ | 12 #define WEBRTC_RTC_BASE_COPYONWRITEBUFFER_H_ |
13 | 13 |
14 #include <algorithm> | 14 #include <algorithm> |
15 #include <utility> | 15 #include <utility> |
16 | 16 |
17 #include "webrtc/rtc_base/buffer.h" | 17 #include "webrtc/base/buffer.h" |
18 #include "webrtc/rtc_base/checks.h" | 18 #include "webrtc/base/checks.h" |
19 #include "webrtc/rtc_base/refcount.h" | 19 #include "webrtc/base/refcount.h" |
20 #include "webrtc/rtc_base/scoped_ref_ptr.h" | 20 #include "webrtc/base/scoped_ref_ptr.h" |
21 | 21 |
22 namespace rtc { | 22 namespace rtc { |
23 | 23 |
24 class CopyOnWriteBuffer { | 24 class CopyOnWriteBuffer { |
25 public: | 25 public: |
26 // An empty buffer. | 26 // An empty buffer. |
27 CopyOnWriteBuffer(); | 27 CopyOnWriteBuffer(); |
28 // Copy size and contents of an existing buffer. | 28 // Copy size and contents of an existing buffer. |
29 CopyOnWriteBuffer(const CopyOnWriteBuffer& buf); | 29 CopyOnWriteBuffer(const CopyOnWriteBuffer& buf); |
30 // Move contents from an existing buffer. | 30 // Move contents from an existing buffer. |
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232 return (!buffer_ || buffer_->capacity() > 0); | 232 return (!buffer_ || buffer_->capacity() > 0); |
233 } | 233 } |
234 | 234 |
235 // buffer_ is either null, or points to an rtc::Buffer with capacity > 0. | 235 // buffer_ is either null, or points to an rtc::Buffer with capacity > 0. |
236 scoped_refptr<RefCountedObject<Buffer>> buffer_; | 236 scoped_refptr<RefCountedObject<Buffer>> buffer_; |
237 }; | 237 }; |
238 | 238 |
239 } // namespace rtc | 239 } // namespace rtc |
240 | 240 |
241 #endif // WEBRTC_RTC_BASE_COPYONWRITEBUFFER_H_ | 241 #endif // WEBRTC_RTC_BASE_COPYONWRITEBUFFER_H_ |
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