| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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_COMMON_VIDEO_INTERFACE_I420_BUFFER_POOL_H_ | 11 #ifndef WEBRTC_COMMON_VIDEO_INCLUDE_I420_BUFFER_POOL_H_ |
| 12 #define WEBRTC_COMMON_VIDEO_INTERFACE_I420_BUFFER_POOL_H_ | 12 #define WEBRTC_COMMON_VIDEO_INCLUDE_I420_BUFFER_POOL_H_ |
| 13 | 13 |
| 14 #include <list> | 14 #include <list> |
| 15 | 15 |
| 16 #include "webrtc/base/thread_checker.h" | 16 #include "webrtc/base/thread_checker.h" |
| 17 #include "webrtc/common_video/interface/video_frame_buffer.h" | 17 #include "webrtc/common_video/include/video_frame_buffer.h" |
| 18 | 18 |
| 19 namespace webrtc { | 19 namespace webrtc { |
| 20 | 20 |
| 21 // Simple buffer pool to avoid unnecessary allocations of I420Buffer objects. | 21 // Simple buffer pool to avoid unnecessary allocations of I420Buffer objects. |
| 22 // The pool manages the memory of the I420Buffer returned from CreateBuffer. | 22 // The pool manages the memory of the I420Buffer returned from CreateBuffer. |
| 23 // When the I420Buffer is destructed, the memory is returned to the pool for use | 23 // When the I420Buffer is destructed, the memory is returned to the pool for use |
| 24 // by subsequent calls to CreateBuffer. If the resolution passed to CreateBuffer | 24 // by subsequent calls to CreateBuffer. If the resolution passed to CreateBuffer |
| 25 // changes, old buffers will be purged from the pool. | 25 // changes, old buffers will be purged from the pool. |
| 26 class I420BufferPool { | 26 class I420BufferPool { |
| 27 public: | 27 public: |
| 28 I420BufferPool(); | 28 I420BufferPool(); |
| 29 // Returns a buffer from the pool, or creates a new buffer if no suitable | 29 // Returns a buffer from the pool, or creates a new buffer if no suitable |
| 30 // buffer exists in the pool. | 30 // buffer exists in the pool. |
| 31 rtc::scoped_refptr<VideoFrameBuffer> CreateBuffer(int width, int height); | 31 rtc::scoped_refptr<VideoFrameBuffer> CreateBuffer(int width, int height); |
| 32 // Clears buffers_ and detaches the thread checker so that it can be reused | 32 // Clears buffers_ and detaches the thread checker so that it can be reused |
| 33 // later from another thread. | 33 // later from another thread. |
| 34 void Release(); | 34 void Release(); |
| 35 | 35 |
| 36 private: | 36 private: |
| 37 rtc::ThreadChecker thread_checker_; | 37 rtc::ThreadChecker thread_checker_; |
| 38 std::list<rtc::scoped_refptr<I420Buffer>> buffers_; | 38 std::list<rtc::scoped_refptr<I420Buffer>> buffers_; |
| 39 }; | 39 }; |
| 40 | 40 |
| 41 } // namespace webrtc | 41 } // namespace webrtc |
| 42 | 42 |
| 43 #endif // WEBRTC_COMMON_VIDEO_INTERFACE_I420_BUFFER_POOL_H_ | 43 #endif // WEBRTC_COMMON_VIDEO_INCLUDE_I420_BUFFER_POOL_H_ |
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