OLD | NEW |
1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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_CONTENT_METRICS_PROCESSING_H_ | 11 #ifndef WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_ |
12 #define WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_ | 12 #define WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_ |
13 | 13 |
14 #include "webrtc/typedefs.h" | 14 #include "webrtc/typedefs.h" |
15 | 15 |
16 namespace webrtc { | 16 namespace webrtc { |
17 | 17 |
18 struct VideoContentMetrics; | 18 struct VideoContentMetrics; |
19 | 19 |
20 // QM interval time (in ms) | 20 // QM interval time (in ms) |
21 enum { | 21 enum { kQmMinIntervalMs = 10000 }; |
22 kQmMinIntervalMs = 10000 | |
23 }; | |
24 | 22 |
25 // Flag for NFD metric vs motion metric | 23 // Flag for NFD metric vs motion metric |
26 enum { | 24 enum { kNfdMetric = 1 }; |
27 kNfdMetric = 1 | |
28 }; | |
29 | 25 |
30 /**********************************/ | 26 /**********************************/ |
31 /* Content Metrics Processing */ | 27 /* Content Metrics Processing */ |
32 /**********************************/ | 28 /**********************************/ |
33 class VCMContentMetricsProcessing { | 29 class VCMContentMetricsProcessing { |
34 public: | 30 public: |
35 VCMContentMetricsProcessing(); | 31 VCMContentMetricsProcessing(); |
36 ~VCMContentMetricsProcessing(); | 32 ~VCMContentMetricsProcessing(); |
37 | 33 |
38 // Update class with latest metrics. | 34 // Update class with latest metrics. |
39 int UpdateContentData(const VideoContentMetrics *contentMetrics); | 35 int UpdateContentData(const VideoContentMetrics* contentMetrics); |
40 | 36 |
41 // Reset the short-term averaged content data. | 37 // Reset the short-term averaged content data. |
42 void ResetShortTermAvgData(); | 38 void ResetShortTermAvgData(); |
43 | 39 |
44 // Initialize. | 40 // Initialize. |
45 int Reset(); | 41 int Reset(); |
46 | 42 |
47 // Inform class of current frame rate. | 43 // Inform class of current frame rate. |
48 void UpdateFrameRate(uint32_t frameRate); | 44 void UpdateFrameRate(uint32_t frameRate); |
49 | 45 |
50 // Returns the long-term averaged content data: recursive average over longer | 46 // Returns the long-term averaged content data: recursive average over longer |
51 // time scale. | 47 // time scale. |
52 VideoContentMetrics* LongTermAvgData(); | 48 VideoContentMetrics* LongTermAvgData(); |
53 | 49 |
54 // Returns the short-term averaged content data: uniform average over | 50 // Returns the short-term averaged content data: uniform average over |
55 // shorter time scalE. | 51 // shorter time scalE. |
56 VideoContentMetrics* ShortTermAvgData(); | 52 VideoContentMetrics* ShortTermAvgData(); |
57 | 53 |
58 private: | 54 private: |
59 // Compute working average. | 55 // Compute working average. |
60 int ProcessContent(const VideoContentMetrics *contentMetrics); | 56 int ProcessContent(const VideoContentMetrics* contentMetrics); |
61 | 57 |
62 // Update the recursive averaged metrics: longer time average (~5/10 secs). | 58 // Update the recursive averaged metrics: longer time average (~5/10 secs). |
63 void UpdateRecursiveAvg(const VideoContentMetrics *contentMetrics); | 59 void UpdateRecursiveAvg(const VideoContentMetrics* contentMetrics); |
64 | 60 |
65 // Update the uniform averaged metrics: shorter time average (~RTCP report). | 61 // Update the uniform averaged metrics: shorter time average (~RTCP report). |
66 void UpdateUniformAvg(const VideoContentMetrics *contentMetrics); | 62 void UpdateUniformAvg(const VideoContentMetrics* contentMetrics); |
67 | 63 |
68 VideoContentMetrics* recursive_avg_; | 64 VideoContentMetrics* recursive_avg_; |
69 VideoContentMetrics* uniform_avg_; | 65 VideoContentMetrics* uniform_avg_; |
70 float recursive_avg_factor_; | 66 float recursive_avg_factor_; |
71 uint32_t frame_cnt_uniform_avg_; | 67 uint32_t frame_cnt_uniform_avg_; |
72 float avg_motion_level_; | 68 float avg_motion_level_; |
73 float avg_spatial_level_; | 69 float avg_spatial_level_; |
74 }; | 70 }; |
75 } // namespace webrtc | 71 } // namespace webrtc |
76 #endif // WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_ | 72 #endif // WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_ |
OLD | NEW |