Linking SRTs with FFmpeg: One Input Two Outputs

Linking SRTs with FFmpeg: One Input, Two Outputs

In this article, we will discuss how to link SRT subtitles to a video file using FFmpeg, with a particular focus on the global topic of site-specific subtitling. We will cover key concepts, subtitles, and FFmpeg commands, providing detailed context on the topic.

What is FFmpeg?

FFmpeg is a free and open-source software project consisting of a vast software suite of libraries and programs for handling video, audio, and other multimedia files and streams. It is widely used for format transcoding, stream splitting, video/audio editing, and subtitle processing.

What is an SRT file?

An SRT file is a plain-text file format that contains subtitle information, including the start and end timecodes, text, and other metadata. SRT files are widely used for subtitling videos, as they are simple, easy to create, and compatible with most video players.

Linking SRTs with FFmpeg

FFmpeg provides a powerful set of tools for linking SRT files to video files, allowing for precise control over the subtitle timing, appearance, and formatting. In this example, we will cover the case of one input (video file) and two outputs (video file with subtitles and subtitle-only file).

Command Structure

The basic structure of the FFmpeg command for linking SRT files to video files is as follows:

Where:

• input.mp4 is the input video file
• subtitle.srt is the SRT subtitle file
• output.mp4 is the output video file with subtitles

Creating Two Outputs

To create two outputs, one with subtitles and one without, we can use the following command:

Where:

• input.mp4 is the input video file
• subtitle.srt is the SRT subtitle file
• output.mp4 is the output video file with subtitles
• subtitle\_only.mp4 is the output video file without subtitles
• -map 0:v -c:v copy copies the video stream from the input to the subtitle\_only output without re-encoding

In this article, we have discussed how to link SRT subtitles to a video file using FFmpeg, with a particular focus on the global topic of site-specific subtitling. We have covered key concepts, subtitles, and FFmpeg commands, providing detailed context on the topic. This information can be used to create two outputs, one with subtitles and one without, using the FFmpeg command line tool.

References

• FFmpeg
• SRT (SubRip)
• How to burn subtitles into video