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README.md

Go Fluent FFmpeg GoDoc

A Go version of node-fluent-ffmpeg.

Installation

go get -u github.com/modfy/fluent-ffmpeg

Requirements

You will need FFmpeg installed on your machine, or you can specify a path to a binary:

// Provide an empty string to use default FFmpeg path
cmd := fluentffmpeg.NewCommand("")

// Specify a path
cmd = fluentffmpeg.NewCommand("/path/to/ffmpeg/binary")

Quick Start

Create and run commands using an API similar to node-fluent-ffmpeg:

err := fluentffmpeg.NewCommand(""). 
		InputPath("/path/to/video.avi").
		OutputFormat("mp4").
		OutputPath("/path/to/video.mp4").
		Run()

You could use context to set the timeout:

ctx, cancel := context.WithTimeout(context.Background(), time.Second * 5)
defer cancel()
err := fluentffmpeg.NewCommand(""). 
		InputPath("/path/to/video.avi").
		OutputFormat("mp4").
		OutputPath("/path/to/video.mp4").
		RunWithContext(ctx)

If you want to view the errors/logs returned from FFmpeg, provide an io.Writer to receive the data.

buf := &bytes.Buffer{}
err := fluentffmpeg.NewCommand("").
		InputPath("./video.avi").
		OutputFormat("mp4").
		OutputPath("./video.mp4").
		Overwrite(true).
		OutputLogs(buf). // provide a io.Writer
		Run()

out, _ := ioutil.ReadAll(buf) // read logs
fmt.Println(string(out))

You can also get the command in the form of an exec.Cmd struct, with which you can have better control over the running process. For example, you can conditionally kill the FFmpeg command:

done := make(chan error, 1)
cmd := fluentffmpeg.NewCommand("").
		InputPath("./video.avi").
		OutputFormat("mp4").
		OutputPath("./video.mp4").
		Overwrite(true).
		Build()
cmd.Start()

go func() {
    done <- cmd.Wait()
}()

select {
case <-time.After(time.Second * 5):
    fmt.Println("Timed out")
    cmd.Process.Kill()
case <-done:
}

FFprobe is also available for use and returns a map[string]interface{} of JSON data:

data := fluentffmpeg.Probe("./video.avi")

Credits

This repo was inspired by node-fluent-ffmpeg and was built upon the work done by @bitcodr in the https://github.com/bitcodr/gompeg

Managed Version

You can deploy this codebase yourself or you an entirely managed api from the creators at https://api.modfy.video