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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/default_tick_clock.h" |  10 #include "base/time/default_tick_clock.h" | 
|  11 #include "base/time/tick_clock.h" |  11 #include "base/time/tick_clock.h" | 
|  12 #include "base/time/time.h" |  12 #include "base/time/time.h" | 
|  13  |  13  | 
|  14 namespace media { |  14 namespace media { | 
|  15 namespace cast { |  15 namespace cast { | 
|  16  |  16  | 
|  17 class CongestionControl { |  17 class CongestionControl { | 
|  18  public: |  18  public: | 
|  19   CongestionControl(float congestion_control_back_off, |  19   CongestionControl(float congestion_control_back_off, | 
|  20                     uint32 max_bitrate_configured, |  20                     uint32 max_bitrate_configured, | 
|  21                     uint32 min_bitrate_configured, |  21                     uint32 min_bitrate_configured, | 
|  22                     uint32 start_bitrate); |  22                     uint32 start_bitrate); | 
|  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   void set_clock(base::TickClock* clock) { |  33   void set_clock(base::TickClock* clock) { | 
|  34     clock_ = clock; |  34     clock_ = clock; | 
| (...skipping 10 matching lines...) Expand all  Loading... | 
|  45   scoped_ptr<base::TickClock> default_tick_clock_; |  45   scoped_ptr<base::TickClock> default_tick_clock_; | 
|  46   base::TickClock* clock_; |  46   base::TickClock* clock_; | 
|  47  |  47  | 
|  48   DISALLOW_COPY_AND_ASSIGN(CongestionControl); |  48   DISALLOW_COPY_AND_ASSIGN(CongestionControl); | 
|  49 }; |  49 }; | 
|  50  |  50  | 
|  51 }  // namespace cast |  51 }  // namespace cast | 
|  52 }  // namespace media |  52 }  // namespace media | 
|  53  |  53  | 
|  54 #endif // MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ |  54 #endif // MEDIA_CAST_CONGESTION_CONTROL_CONGESTION_CONTROL_H_ | 
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