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Remove QualityScaler framerate reduction.

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Framerate-reduction code is disabled on all platforms, and this code
adds complexity. It's necessary to react fast, especially on mobile
platforms or other bad network conditions and framerate reduction adds
another step between HD and QVGA.

BUG=webrtc:5678, webrtc:5830
R=jackychen@webrtc.org, mflodman@webrtc.org

Review URL: https://codereview.webrtc.org/1885893002 .

Cr-Commit-Position: refs/heads/master@{#12503}
This commit is contained in:
Peter Boström
2016-04-26 13:37:10 +02:00
parent d486dc1bd7
commit 3c6eac2860
19 changed files with 15 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
webrtc/modules/video_coding/utility/quality_scaler.h
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@ -25,7 +25,6 @@ class QualityScaler {
QualityScaler();
void Init(int low_qp_threshold,
int high_qp_threshold,
bool use_framerate_reduction,
int initial_bitrate_kbps,
int width,
int height,
@ -33,11 +32,9 @@ class QualityScaler {
void ReportFramerate(int framerate);
void ReportQP(int qp);
void ReportDroppedFrame();
void Reset(int framerate, int bitrate, int width, int height);
void OnEncodeFrame(const VideoFrame& frame);
Resolution GetScaledResolution() const;
const VideoFrame& GetScaledFrame(const VideoFrame& frame);
int GetTargetFramerate() const;
int downscale_shift() const { return downscale_shift_; }
private:
@ -56,15 +53,12 @@ class QualityScaler {
MovingAverage<int> average_qp_downscale_;
int framerate_;
int target_framerate_;
int low_qp_threshold_;
int high_qp_threshold_;
MovingAverage<int> framedrop_percent_;
Resolution res_;
int downscale_shift_;
int framerate_down_;
bool use_framerate_reduction_;
};
} // namespace webrtc