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| 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 #include "webrtc/modules/video_coding/main/source/content_metrics_processing.h" | 11 #include "webrtc/modules/video_coding/main/source/content_metrics_processing.h" |
| 12 | 12 |
| 13 #include <math.h> | 13 #include <math.h> |
| 14 | 14 |
| 15 #include "webrtc/modules/interface/module_common_types.h" | 15 #include "webrtc/modules/include/module_common_types.h" |
| 16 #include "webrtc/modules/video_coding/main/interface/video_coding_defines.h" | 16 #include "webrtc/modules/video_coding/main/interface/video_coding_defines.h" |
| 17 | 17 |
| 18 namespace webrtc { | 18 namespace webrtc { |
| 19 ////////////////////////////////// | 19 ////////////////////////////////// |
| 20 /// VCMContentMetricsProcessing // | 20 /// VCMContentMetricsProcessing // |
| 21 ////////////////////////////////// | 21 ////////////////////////////////// |
| 22 | 22 |
| 23 VCMContentMetricsProcessing::VCMContentMetricsProcessing() | 23 VCMContentMetricsProcessing::VCMContentMetricsProcessing() |
| 24 : recursive_avg_factor_(1 / 150.0f), // matched to 30fps. | 24 : recursive_avg_factor_(1 / 150.0f), // matched to 30fps. |
| 25 frame_cnt_uniform_avg_(0), | 25 frame_cnt_uniform_avg_(0), |
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| 116 recursive_avg_->spatial_pred_err_v = (1 - recursive_avg_factor_) * | 116 recursive_avg_->spatial_pred_err_v = (1 - recursive_avg_factor_) * |
| 117 recursive_avg_->spatial_pred_err_v + | 117 recursive_avg_->spatial_pred_err_v + |
| 118 recursive_avg_factor_ * contentMetrics->spatial_pred_err_v; | 118 recursive_avg_factor_ * contentMetrics->spatial_pred_err_v; |
| 119 | 119 |
| 120 // Motion metric: Derived from NFD (normalized frame difference). | 120 // Motion metric: Derived from NFD (normalized frame difference). |
| 121 recursive_avg_->motion_magnitude = (1 - recursive_avg_factor_) * | 121 recursive_avg_->motion_magnitude = (1 - recursive_avg_factor_) * |
| 122 recursive_avg_->motion_magnitude + | 122 recursive_avg_->motion_magnitude + |
| 123 recursive_avg_factor_ * contentMetrics->motion_magnitude; | 123 recursive_avg_factor_ * contentMetrics->motion_magnitude; |
| 124 } | 124 } |
| 125 } // namespace | 125 } // namespace |
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