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| 1 /* | 1 /* |
| 2 * Copyright (c) 2011 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2011 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 #include <assert.h> | 11 #include <assert.h> |
| 12 #include <stdlib.h> | 12 #include <stdlib.h> |
| 13 | 13 |
| 14 #include "webrtc/modules/include/module_common_types.h" | 14 #include "webrtc/modules/include/module_common_types.h" |
| 15 #include "webrtc/modules/video_coding/timestamp_map.h" | 15 #include "webrtc/modules/video_coding/timestamp_map.h" |
| 16 | 16 |
| 17 namespace webrtc { | 17 namespace webrtc { |
| 18 | 18 |
| 19 VCMTimestampMap::VCMTimestampMap(size_t capacity) | 19 VCMTimestampMap::VCMTimestampMap(size_t capacity) |
| 20 : ring_buffer_(new TimestampDataTuple[capacity]), | 20 : ring_buffer_(new TimestampDataTuple[capacity]), |
| 21 capacity_(capacity), | 21 capacity_(capacity), |
| 22 next_add_idx_(0), | 22 next_add_idx_(0), |
| 23 next_pop_idx_(0) { | 23 next_pop_idx_(0) {} |
| 24 } | |
| 25 | 24 |
| 26 VCMTimestampMap::~VCMTimestampMap() { | 25 VCMTimestampMap::~VCMTimestampMap() {} |
| 27 } | |
| 28 | 26 |
| 29 void VCMTimestampMap::Add(uint32_t timestamp, VCMFrameInformation* data) { | 27 void VCMTimestampMap::Add(uint32_t timestamp, VCMFrameInformation* data) { |
| 30 ring_buffer_[next_add_idx_].timestamp = timestamp; | 28 ring_buffer_[next_add_idx_].timestamp = timestamp; |
| 31 ring_buffer_[next_add_idx_].data = data; | 29 ring_buffer_[next_add_idx_].data = data; |
| 32 next_add_idx_ = (next_add_idx_ + 1) % capacity_; | 30 next_add_idx_ = (next_add_idx_ + 1) % capacity_; |
| 33 | 31 |
| 34 if (next_add_idx_ == next_pop_idx_) { | 32 if (next_add_idx_ == next_pop_idx_) { |
| 35 // Circular list full; forget oldest entry. | 33 // Circular list full; forget oldest entry. |
| 36 next_pop_idx_ = (next_pop_idx_ + 1) % capacity_; | 34 next_pop_idx_ = (next_pop_idx_ + 1) % capacity_; |
| 37 } | 35 } |
| (...skipping 17 matching lines...) Expand all Loading... |
| 55 next_pop_idx_ = (next_pop_idx_ + 1) % capacity_; | 53 next_pop_idx_ = (next_pop_idx_ + 1) % capacity_; |
| 56 } | 54 } |
| 57 | 55 |
| 58 // Could not find matching timestamp in list. | 56 // Could not find matching timestamp in list. |
| 59 return nullptr; | 57 return nullptr; |
| 60 } | 58 } |
| 61 | 59 |
| 62 bool VCMTimestampMap::IsEmpty() const { | 60 bool VCMTimestampMap::IsEmpty() const { |
| 63 return (next_add_idx_ == next_pop_idx_); | 61 return (next_add_idx_ == next_pop_idx_); |
| 64 } | 62 } |
| 65 } | 63 } // namespace webrtc |
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