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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ | 5 #ifndef MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ |
| 6 #define MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ | 6 #define MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/time/tick_clock.h" | 10 #include "base/time/tick_clock.h" |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 | 23 |
| 24 virtual ~CongestionControl(); | 24 virtual ~CongestionControl(); |
| 25 | 25 |
| 26 // Don't call OnAck if the same message contain a NACK. | 26 // Don't call OnAck if the same message contain a NACK. |
| 27 // Returns true if the bitrate have changed. | 27 // Returns true if the bitrate have changed. |
| 28 bool OnAck(base::TimeDelta rtt_ms, uint32* new_bitrate); | 28 bool OnAck(base::TimeDelta rtt_ms, uint32* new_bitrate); |
| 29 | 29 |
| 30 // Returns true if the bitrate have changed. | 30 // Returns true if the bitrate have changed. |
| 31 bool OnNack(base::TimeDelta rtt_ms, uint32* new_bitrate); | 31 bool OnNack(base::TimeDelta rtt_ms, uint32* new_bitrate); |
| 32 | 32 |
| 33 | |
| 34 private: | 33 private: |
| 35 base::TickClock* const clock_; // Not owned by this class. | 34 base::TickClock* const clock_; // Not owned by this class. |
| 36 const float congestion_control_back_off_; | 35 const float congestion_control_back_off_; |
| 37 const uint32 max_bitrate_configured_; | 36 const uint32 max_bitrate_configured_; |
| 38 const uint32 min_bitrate_configured_; | 37 const uint32 min_bitrate_configured_; |
| 39 uint32 bitrate_; | 38 uint32 bitrate_; |
| 40 base::TimeTicks time_last_increase_; | 39 base::TimeTicks time_last_increase_; |
| 41 base::TimeTicks time_last_decrease_; | 40 base::TimeTicks time_last_decrease_; |
| 42 | 41 |
| 43 DISALLOW_COPY_AND_ASSIGN(CongestionControl); | 42 DISALLOW_COPY_AND_ASSIGN(CongestionControl); |
| 44 }; | 43 }; |
| 45 | 44 |
| 46 } // namespace cast | 45 } // namespace cast |
| 47 } // namespace media | 46 } // namespace media |
| 48 | 47 |
| 49 #endif // MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ | 48 #endif // MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ |
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