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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 #include "webrtc/common_video/include/bitrate_adjuster.h" | 11 #include "webrtc/common_video/include/bitrate_adjuster.h" |
| 12 | 12 |
| 13 #include <algorithm> | 13 #include <algorithm> |
| 14 #include <cmath> | 14 #include <cmath> |
| 15 | 15 |
| 16 #include "webrtc/base/checks.h" | 16 #include "webrtc/rtc_base/checks.h" |
| 17 #include "webrtc/base/logging.h" | 17 #include "webrtc/rtc_base/logging.h" |
| 18 #include "webrtc/system_wrappers/include/clock.h" | 18 #include "webrtc/system_wrappers/include/clock.h" |
| 19 | 19 |
| 20 namespace webrtc { | 20 namespace webrtc { |
| 21 | 21 |
| 22 // Update bitrate at most once every second. | 22 // Update bitrate at most once every second. |
| 23 const uint32_t BitrateAdjuster::kBitrateUpdateIntervalMs = 1000; | 23 const uint32_t BitrateAdjuster::kBitrateUpdateIntervalMs = 1000; |
| 24 | 24 |
| 25 // Update bitrate at most once every 30 frames. | 25 // Update bitrate at most once every 30 frames. |
| 26 const uint32_t BitrateAdjuster::kBitrateUpdateFrameInterval = 30; | 26 const uint32_t BitrateAdjuster::kBitrateUpdateFrameInterval = 30; |
| 27 | 27 |
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| 153 << static_cast<uint32_t>(adjusted_bitrate_bps); | 153 << static_cast<uint32_t>(adjusted_bitrate_bps); |
| 154 adjusted_bitrate_bps_ = adjusted_bitrate_bps; | 154 adjusted_bitrate_bps_ = adjusted_bitrate_bps; |
| 155 } | 155 } |
| 156 } | 156 } |
| 157 last_bitrate_update_time_ms_ = current_time_ms; | 157 last_bitrate_update_time_ms_ = current_time_ms; |
| 158 frames_since_last_update_ = 0; | 158 frames_since_last_update_ = 0; |
| 159 last_adjusted_target_bitrate_bps_ = target_bitrate_bps_; | 159 last_adjusted_target_bitrate_bps_ = target_bitrate_bps_; |
| 160 } | 160 } |
| 161 | 161 |
| 162 } // namespace webrtc | 162 } // namespace webrtc |
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