9d3ab61325
Trying to submit all changes at once proved impossible since there were too many changes in too many files. The changes to PRESUBMIT.py will be uploaded in the last CL. (original CL: https://codereview.webrtc.org/1528503003/) BUG=webrtc:5309 TBR=mflodman@webrtc.org Review URL: https://codereview.webrtc.org/1543503002 Cr-Commit-Position: refs/heads/master@{#11102}
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_
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#define WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_
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#include "webrtc/typedefs.h"
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namespace webrtc {
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struct VideoContentMetrics;
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// QM interval time (in ms)
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enum { kQmMinIntervalMs = 10000 };
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// Flag for NFD metric vs motion metric
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enum { kNfdMetric = 1 };
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/**********************************/
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/* Content Metrics Processing */
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/**********************************/
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class VCMContentMetricsProcessing {
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public:
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VCMContentMetricsProcessing();
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~VCMContentMetricsProcessing();
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// Update class with latest metrics.
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int UpdateContentData(const VideoContentMetrics* contentMetrics);
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// Reset the short-term averaged content data.
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void ResetShortTermAvgData();
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// Initialize.
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int Reset();
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// Inform class of current frame rate.
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void UpdateFrameRate(uint32_t frameRate);
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// Returns the long-term averaged content data: recursive average over longer
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// time scale.
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VideoContentMetrics* LongTermAvgData();
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// Returns the short-term averaged content data: uniform average over
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// shorter time scalE.
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VideoContentMetrics* ShortTermAvgData();
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private:
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// Compute working average.
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int ProcessContent(const VideoContentMetrics* contentMetrics);
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// Update the recursive averaged metrics: longer time average (~5/10 secs).
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void UpdateRecursiveAvg(const VideoContentMetrics* contentMetrics);
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// Update the uniform averaged metrics: shorter time average (~RTCP report).
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void UpdateUniformAvg(const VideoContentMetrics* contentMetrics);
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VideoContentMetrics* recursive_avg_;
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VideoContentMetrics* uniform_avg_;
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float recursive_avg_factor_;
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uint32_t frame_cnt_uniform_avg_;
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float avg_motion_level_;
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float avg_spatial_level_;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_CODING_CONTENT_METRICS_PROCESSING_H_
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