|  | /* | 
|  | *  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. | 
|  | */ | 
|  | #include <stdio.h> | 
|  | #include <stdlib.h> | 
|  |  | 
|  | #include <string> | 
|  |  | 
|  | #include "absl/flags/flag.h" | 
|  | #include "absl/flags/parse.h" | 
|  | #include "absl/flags/usage.h" | 
|  | #include "rtc_tools/frame_analyzer/reference_less_video_analysis_lib.h" | 
|  |  | 
|  | ABSL_FLAG(std::string, | 
|  | video_file, | 
|  | "", | 
|  | "Path of the video file to be analyzed, only y4m file format is " | 
|  | "supported"); | 
|  |  | 
|  | int main(int argc, char* argv[]) { | 
|  | absl::SetProgramUsageMessage( | 
|  | "Outputs the freezing score by comparing " | 
|  | "current frame with the previous frame.\n" | 
|  | "Example usage:\n" | 
|  | "./reference_less_video_analysis " | 
|  | "--video_file=video_file.y4m\n"); | 
|  | absl::ParseCommandLine(argc, argv); | 
|  |  | 
|  | std::string video_file = absl::GetFlag(FLAGS_video_file); | 
|  | if (video_file.empty()) { | 
|  | exit(EXIT_FAILURE); | 
|  | } | 
|  |  | 
|  | return run_analysis(video_file); | 
|  | } |