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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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