| /* |
| * Copyright (c) 2016 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. |
| */ |
| |
| #ifndef WEBRTC_RTC_TOOLS_FRAME_ANALYZER_REFERENCE_LESS_VIDEO_ANALYSIS_LIB_H_ |
| #define WEBRTC_RTC_TOOLS_FRAME_ANALYZER_REFERENCE_LESS_VIDEO_ANALYSIS_LIB_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| // Parse the file header to extract height, width and fps |
| // for a given video file. |
| void get_height_width_fps(int *height, int *width, int *fps, |
| const std::string& video_file); |
| |
| // Returns true if the frame is frozen based on psnr and ssim freezing |
| // threshold values. |
| bool frozen_frame(std::vector<double> psnr_per_frame, |
| std::vector<double> ssim_per_frame, size_t frame); |
| |
| // Returns the vector of identical cluster of frames that are frozen |
| // and appears continuously. |
| std::vector<int> find_frame_clusters(const std::vector<double>& psnr_per_frame, |
| const std::vector<double>& ssim_per_frame); |
| |
| // Prints various freezing metrics like identical frames, |
| // total unique frames etc. |
| void print_freezing_metrics(const std::vector<double>& psnr_per_frame, |
| const std::vector<double>& ssim_per_frame); |
| |
| // Compute the metrics like freezing score based on PSNR and SSIM values for a |
| // given video file. |
| void compute_metrics(const std::string& video_file_name, |
| std::vector<double>* psnr_per_frame, |
| std::vector<double>* ssim_per_frame); |
| |
| // Checks the file extension and return true if it is y4m. |
| bool check_file_extension(const std::string& video_file_name); |
| |
| // Compute freezing score metrics and prints the metrics |
| // for a list of video files. |
| int run_analysis(const std::string& video_file); |
| |
| #endif // WEBRTC_RTC_TOOLS_FRAME_ANALYZER_REFERENCE_LESS_VIDEO_ANALYSIS_LIB_H_ |