ffmpego

ffmpego is a Go wrapper around the ffmpeg command for reading and writing videos. It can be used to programmatically manipulate media with a simple, friendly interface.

Usage

Writing a video

To encode a video, create a VideoWriter and write image.Images to it. Here's the simplest possible example of encoding a video:

fps := 24.0
width := 50
height := 50

vw, _ := ffmpego.NewVideoWriter("output.mp4", width, height, fps)

for i := 0; i < 24; i++ {
    // Create your image.
    frame := image.NewGray(image.Rect(0, 0, width, height))

    vw.WriteFrame(frame)
}

vw.Close()

Reading a video

Decoding a video is similarly straightforward. Simply create a VideoReader and read image.Images from it:

vr, _ := NewVideoReader("input.mp4")

for {
    frame, err := vr.ReadFrame()
    if err == io.EOF {
        break
    }
    // Do something with `frame` here...
}

vr.Close()

Installation

This project depends on the ffmpeg command. If you have ffmpeg installed, ffmpego should already work out of the box.

If you do not already have ffmpeg, you can typically install it using your OS's package manager.

Ubuntu:

$ apt install ffmpeg

macOS:

$ brew install ffmpeg