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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 #ifndef WEBRTC_MODULES_VIDEO_CODING_UTILITY_FRAME_DROPPER_H_ | 11 #ifndef WEBRTC_MODULES_VIDEO_CODING_UTILITY_FRAME_DROPPER_H_ |
12 #define WEBRTC_MODULES_VIDEO_CODING_UTILITY_FRAME_DROPPER_H_ | 12 #define WEBRTC_MODULES_VIDEO_CODING_UTILITY_FRAME_DROPPER_H_ |
13 | 13 |
14 #include <cstddef> | 14 #include <cstddef> |
15 | 15 |
16 #include "webrtc/base/analytics/exp_filter.h" | 16 #include "webrtc/base/numerics/exp_filter.h" |
17 #include "webrtc/typedefs.h" | 17 #include "webrtc/typedefs.h" |
18 | 18 |
19 namespace webrtc { | 19 namespace webrtc { |
20 | 20 |
21 // The Frame Dropper implements a variant of the leaky bucket algorithm | 21 // The Frame Dropper implements a variant of the leaky bucket algorithm |
22 // for keeping track of when to drop frames to avoid bit rate | 22 // for keeping track of when to drop frames to avoid bit rate |
23 // over use when the encoder can't keep its bit rate. | 23 // over use when the encoder can't keep its bit rate. |
24 class FrameDropper { | 24 class FrameDropper { |
25 public: | 25 public: |
26 FrameDropper(); | 26 FrameDropper(); |
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90 int drop_count_; | 90 int drop_count_; |
91 float incoming_frame_rate_; | 91 float incoming_frame_rate_; |
92 bool was_below_max_; | 92 bool was_below_max_; |
93 bool enabled_; | 93 bool enabled_; |
94 const float max_drop_duration_secs_; | 94 const float max_drop_duration_secs_; |
95 }; | 95 }; |
96 | 96 |
97 } // namespace webrtc | 97 } // namespace webrtc |
98 | 98 |
99 #endif // WEBRTC_MODULES_VIDEO_CODING_UTILITY_FRAME_DROPPER_H_ | 99 #endif // WEBRTC_MODULES_VIDEO_CODING_UTILITY_FRAME_DROPPER_H_ |
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