I. Introduction
In modern multimedia processing, video and audio filters play a vital role. It can help developers perform various processing on video and audio, such as color correction, resizing, denoising, adding special effects, etc. As a powerful open source multimedia framework, FFmpeg provides a rich filter library, allowing us to easily process and convert multimedia files.
This article will introduce the use of FFmpeg filters and help you understand how to use these filters to achieve various multimedia processing tasks. You will explore different types of filters, including video filters and audio filters, and gain insight into their functionality and usage.
2. Query supported filters
FFmpeg supports many filters for video and audio processing. You can use the following command to view the list of filters supported by FFmpeg:
ffmpeg -filters
After running the above command, it will output a list of all filters supported by FFmpeg, including video filters, audio filters and multimedia filters. Each filter has a unique name that can be used in code to call the corresponding filter.
You can also use the following command to view details of a specific filter, including the filter's options and usage:
ffmpeg -h filter&