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404be7f302
Encapsulate logic for reading .y4m video files in a single class. We currently have spread out logic for opening .y4m files with partial parsing. This CL consolidates this logic into a single class with a well defined interface. Change-Id: Id61673b3c95a0053b30e95b4cf382e1c6b05fc30 Bug: webrtc:9642 Reviewed-on: https://webrtc-review.googlesource.com/94772 Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Paulina Hensman <phensman@webrtc.org> Commit-Queue: Magnus Jedvert <magjed@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24398}
45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
/*
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* Copyright (c) 2016 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 RTC_TOOLS_FRAME_ANALYZER_REFERENCE_LESS_VIDEO_ANALYSIS_LIB_H_
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#define RTC_TOOLS_FRAME_ANALYZER_REFERENCE_LESS_VIDEO_ANALYSIS_LIB_H_
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#include <string>
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#include <vector>
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#include "rtc_tools/y4m_file_reader.h"
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// Returns true if the frame is frozen based on psnr and ssim freezing
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// threshold values.
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bool frozen_frame(std::vector<double> psnr_per_frame,
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std::vector<double> ssim_per_frame,
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size_t frame);
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// Returns the vector of identical cluster of frames that are frozen
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// and appears continuously.
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std::vector<int> find_frame_clusters(const std::vector<double>& psnr_per_frame,
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const std::vector<double>& ssim_per_frame);
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// Prints various freezing metrics like identical frames,
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// total unique frames etc.
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void print_freezing_metrics(const std::vector<double>& psnr_per_frame,
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const std::vector<double>& ssim_per_frame);
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// Compute the metrics like freezing score based on PSNR and SSIM values for a
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// given video file.
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void compute_metrics(const rtc::scoped_refptr<webrtc::test::Y4mFile>& video,
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std::vector<double>* psnr_per_frame,
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std::vector<double>* ssim_per_frame);
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// Compute freezing score metrics and prints the metrics
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// for a list of video files.
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int run_analysis(const std::string& video_file);
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#endif // RTC_TOOLS_FRAME_ANALYZER_REFERENCE_LESS_VIDEO_ANALYSIS_LIB_H_
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