Added tool for reference less video analysis (go/refless-video-analysis)
This tool takes list of video file names as input and calculates freezing metrics score for the video files without having reference to original video by comparing the PSNR and SSIM values of current and previous frame.
BUG=webrtc:6759
Review-Url: https://codereview.webrtc.org/2515253004
Cr-Commit-Position: refs/heads/master@{#15386}
diff --git a/webrtc/tools/frame_analyzer/reference_less_video_analysis.cc b/webrtc/tools/frame_analyzer/reference_less_video_analysis.cc
new file mode 100644
index 0000000..019564e
--- /dev/null
+++ b/webrtc/tools/frame_analyzer/reference_less_video_analysis.cc
@@ -0,0 +1,42 @@
+/*
+ * 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.h>
+
+#include "webrtc/tools/frame_analyzer/reference_less_video_analysis_lib.h"
+#include "webrtc/tools/simple_command_line_parser.h"
+
+int main(int argc, char** argv) {
+ // This captures the freezing metrics for reference less video analysis.
+ std::string program_name = argv[0];
+ std::string usage = "Outputs the freezing score by comparing current frame "
+ "with the previous frame.\nExample usage:\n" + program_name +
+ " --video_file=video_file.y4m\n"
+ "Command line flags:\n"
+ " - video_file(string): Path of the video "
+ "file to be analyzed. Only y4m file format is supported.\n";
+
+ webrtc::test::CommandLineParser parser;
+
+ // Init the parser and set the usage message.
+ parser.Init(argc, argv);
+ parser.SetUsageMessage(usage);
+
+ parser.SetFlag("video_file", "");
+ parser.ProcessFlags();
+ if (parser.GetFlag("video_file").empty()) {
+ parser.PrintUsageMessage();
+ exit(EXIT_SUCCESS);
+ }
+ std::string video_file = parser.GetFlag("video_file");
+
+ return run_analysis(video_file);
+}
