Introduction
FFprobe is a powerful multimedia tool from the FFmpeg project, which can be used for various tasks related to multimedia files, including inspecting, analyzing, and extracting metadata. One of its features is the ability to detect scene changes in videos. In this article, we will explore how to use FFprobe to detect scene changes in online videos.
Prerequisites
To follow this tutorial, you will need:
- A Unix-based terminal or command-line interface (CLI)
- FFmpeg and FFprobe installed
If you don't have FFmpeg and FFprobe installed, you can download them from the official website.
Detecting Scene Changes with FFprobe
To detect scene changes in an online video using FFprobe, follow these steps:
- Open your terminal or command-line interface and navigate to the directory where you want to save the output files.
- Run the following command to download the video using FFmpeg:
- Once the download is complete, run the following command to detect scene changes using FFprobe:
Run the following command to download the video using FFmpeg:
ffmpeg -i "https://example.com/video.mp4" -c copy -map 0 output.mp4
Run the following command to detect scene changes using FFprobe:
ffprobe -i output.mp4 -show_frames -of compact=p=0 -loglevel error -format json -print_format json -print "select=gt(scene_change_point, 0.0)" > scene_changes.json
This command will output the scene change points to a JSON file named "scene_changes.json".
Understanding the Output
The JSON output file contains an array of scene change points, each represented as an object with the following properties:
- "number": the index of the scene change in the video
- "time": the time (in seconds) of the scene change
You can use other tools or scripts to parse this file and extract the information you need.
In this article, we explored how to use FFprobe to detect scene changes in online videos. By following the steps outlined above, you can easily extract scene change points from a video and use them for various purposes, such as video editing or analysis.