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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_CODEC_TIMER_H_ | 11 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_ |
| 12 #define WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_ | 12 #define WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_ |
| 13 | 13 |
| 14 #include "webrtc/modules/include/module_common_types.h" | 14 #include "webrtc/modules/include/module_common_types.h" |
| 15 #include "webrtc/typedefs.h" | 15 #include "webrtc/typedefs.h" |
| 16 | 16 |
| 17 namespace webrtc | 17 namespace webrtc { |
| 18 { | |
| 19 | 18 |
| 20 // MAX_HISTORY_SIZE * SHORT_FILTER_MS defines the window size in milliseconds | 19 // MAX_HISTORY_SIZE * SHORT_FILTER_MS defines the window size in milliseconds |
| 21 #define MAX_HISTORY_SIZE 10 | 20 #define MAX_HISTORY_SIZE 10 |
| 22 #define SHORT_FILTER_MS 1000 | 21 #define SHORT_FILTER_MS 1000 |
| 23 | 22 |
| 24 class VCMShortMaxSample | 23 class VCMShortMaxSample { |
| 25 { | 24 public: |
| 26 public: | 25 VCMShortMaxSample() : shortMax(0), timeMs(-1) {} |
| 27 VCMShortMaxSample() : shortMax(0), timeMs(-1) {}; | |
| 28 | 26 |
| 29 int32_t shortMax; | 27 int32_t shortMax; |
| 30 int64_t timeMs; | 28 int64_t timeMs; |
| 31 }; | 29 }; |
| 32 | 30 |
| 33 class VCMCodecTimer | 31 class VCMCodecTimer { |
| 34 { | 32 public: |
| 35 public: | 33 VCMCodecTimer(); |
| 36 VCMCodecTimer(); | |
| 37 | 34 |
| 38 // Updates the max filtered decode time. | 35 // Updates the max filtered decode time. |
| 39 void MaxFilter(int32_t newDecodeTimeMs, int64_t nowMs); | 36 void MaxFilter(int32_t newDecodeTimeMs, int64_t nowMs); |
| 40 | 37 |
| 41 // Empty the list of timers. | 38 // Empty the list of timers. |
| 42 void Reset(); | 39 void Reset(); |
| 43 | 40 |
| 44 // Get the required decode time in ms. | 41 // Get the required decode time in ms. |
| 45 int32_t RequiredDecodeTimeMs(FrameType frameType) const; | 42 int32_t RequiredDecodeTimeMs(FrameType frameType) const; |
| 46 | 43 |
| 47 private: | 44 private: |
| 48 void UpdateMaxHistory(int32_t decodeTime, int64_t now); | 45 void UpdateMaxHistory(int32_t decodeTime, int64_t now); |
| 49 void ProcessHistory(int64_t nowMs); | 46 void ProcessHistory(int64_t nowMs); |
| 50 | 47 |
| 51 int32_t _filteredMax; | 48 int32_t _filteredMax; |
| 52 // The number of samples ignored so far. | 49 // The number of samples ignored so far. |
| 53 int32_t _ignoredSampleCount; | 50 int32_t _ignoredSampleCount; |
| 54 int32_t _shortMax; | 51 int32_t _shortMax; |
| 55 VCMShortMaxSample _history[MAX_HISTORY_SIZE]; | 52 VCMShortMaxSample _history[MAX_HISTORY_SIZE]; |
| 56 | |
| 57 }; | 53 }; |
| 58 | 54 |
| 59 } // namespace webrtc | 55 } // namespace webrtc |
| 60 | 56 |
| 61 #endif // WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_ | 57 #endif // WEBRTC_MODULES_VIDEO_CODING_CODEC_TIMER_H_ |
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