blob: 155c4adc61361e96b5a4d59c436b30d82b2ee92a [file] [log] [blame]
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include "typedefs.h"
namespace webrtc
struct VideoContentMetrics;
// QM interval time (in ms)
enum { kQmMinIntervalMs = 10000 };
// Flag for NFD metric vs motion metric
enum { kNfdMetric = 1 };
/* Content Metrics Processing */
class VCMContentMetricsProcessing
// Update class with latest metrics
WebRtc_Word32 UpdateContentData(const VideoContentMetrics *contentMetrics);
// Reset the short-term averaged content data
void ResetShortTermAvgData();
// Initialize to
WebRtc_Word32 Reset();
// Inform class of current frame rate
void UpdateFrameRate(WebRtc_UWord32 frameRate);
// Returns the long-term averaged content data:
// recursive average over longer time scale
VideoContentMetrics* LongTermAvgData();
// Returns the short-term averaged content data:
// uniform average over shorter time scale
VideoContentMetrics* ShortTermAvgData();
// Compute working avg
WebRtc_UWord32 ProcessContent(const VideoContentMetrics *contentMetrics);
// Update the recursive averaged metrics: longer time average (~5/10 secs).
void UpdateRecursiveAvg(const VideoContentMetrics *contentMetrics);
// Update the uniform averaged metrics: shorter time average (~RTCP reports).
void UpdateUniformAvg(const VideoContentMetrics *contentMetrics);
VideoContentMetrics* _recursiveAvg;
VideoContentMetrics* _uniformAvg;
WebRtc_UWord32 _frameRate;
float _recAvgFactor;
WebRtc_UWord32 _frameCntRecursiveAvg;
WebRtc_UWord32 _frameCntUniformAvg;
float _avgMotionLevel;
float _avgSpatialLevel;
} // namespace webrtc