Video metadata is information about a video file that describes its content and other details. This metadata includes information such as the title, author, description, and creation date of the video. Sometimes, you may need to change or update this metadata for various reasons. In this article, we will explore how to change video metadata using a powerful command-line tool called ffmpeg.
What is ffmpeg?
ffmpeg is a cross-platform command-line tool that allows you to manipulate and convert audio and video files. It supports a wide range of formats and provides various functionalities, including changing video metadata. Although ffmpeg may seem intimidating at first, it offers a lot of flexibility and can be a powerful tool once you get familiar with its commands.
Installing ffmpeg
Before we can start using ffmpeg, we need to install it on our computer. The installation process may vary depending on your operating system. Here are the steps to install ffmpeg on different platforms:
Windows
To install ffmpeg on Windows, follow these steps:
- Go to the official ffmpeg website at https://ffmpeg.org/.
- Click on the "Download" tab.
- Scroll down to the "Windows" section and click on the "Static Builds" link.
- Download the latest version of ffmpeg for your Windows architecture (32-bit or 64-bit) by clicking on the corresponding link.
- Extract the downloaded ZIP file to a location on your computer.
- Add the ffmpeg executable to your system's PATH environment variable.
macOS
To install ffmpeg on macOS, you can use the Homebrew package manager. Open a terminal and run the following commands:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew install ffmpeg
Linux
To install ffmpeg on Linux, open a terminal and run the appropriate command for your distribution:
sudo apt-get install ffmpeg (Ubuntu and Debian)
sudo dnf install ffmpeg (Fedora)
sudo pacman -S ffmpeg (Arch Linux)
Changing Video Metadata with ffmpeg
Once you have ffmpeg installed, you can start changing video metadata using the following command:
ffmpeg -i input.mp4 -metadata title="New Title" -metadata author="New Author" output.mp4
Let's break down this command:
-i input.mp4: Specifies the input video file.-metadata title="New Title": Sets the new title metadata for the video.-metadata author="New Author": Sets the new author metadata for the video.output.mp4: Specifies the output video file with the updated metadata.
You can include additional metadata fields such as description, creation_time, copyright, and more, depending on your requirements. Simply add the corresponding -metadata flag followed by the desired value.
Here's an example command that updates multiple metadata fields:
ffmpeg -i input.mp4 -metadata title="New Title" -metadata author="New Author" -metadata description="New Description" output.mp4
Remember to replace input.mp4 with the path to your actual video file and specify the desired values for the metadata fields.
Conclusion
Changing video metadata can be useful in various scenarios, such as organizing your video library or providing accurate information about your videos. With ffmpeg, you can easily modify video metadata using a simple command-line interface. Remember to install ffmpeg on your computer and use the provided commands to update the desired metadata fields. Explore the ffmpeg documentation for more advanced features and options.
| Reference | Link |
|---|---|
| ffmpeg Official Website | https://ffmpeg.org/ |