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Goffmpeg

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FFMPEG wrapper written in GO which allows to obtain the progress.

Dependencies

Supported platforms

  • Linux
  • OS X
  • Windows

Getting started

How to transcode a media file

go get github.com/xfrr/goffmpeg
package main

import (
    "github.com/xfrr/goffmpeg/transcoder"
)

var inputPath = "/data/testmov"
var outputPath = "/data/testmp4.mp4"

func main() {

	// Create new instance of transcoder
    	trans := new(transcoder.Transcoder)

	// Initialize transcoder passing the input file path and output file path and if the files are remote or local
    	err := trans.Initialize( inputPath, outputPath, remote_file )
    	// Handle error...

	// Start transcoder process without checking progress
	done := trans.Run(false)

	// This channel is used to wait for the process to end
	err = <-done
	// Handle error...

}

How to get the transcoding progress

...
func main() {

	// Create new instance of transcoder
    	trans := new(transcoder.Transcoder)

      // Initialize transcoder passing the input file path and output file path and if the files are remote or local
        	err := trans.Initialize( inputPath, outputPath, remote_file )
    	// Handle error...

	// Start transcoder process with progress checking
	done := trans.Run(true)

	// Returns a channel to get the transcoding progress
	progress := trans.Output()

	// Example of printing transcoding progress
	for msg := range progress {
		fmt.Println(msg)
	}

	// This channel is used to wait for the transcoding process to end
	err = <-done

}

Progress properties

type Progress struct {
	FramesProcessed string
	CurrentTime     string
	CurrentBitrate  string
	Progress        float64
	Speed           string
}

Media setters

Those options can be set before starting the transcoding.

SetAspect
SetResolution
SetVideoBitRate
SetVideoBitRateTolerance
SetVideoMaxBitrate
SetVideoMinBitRate
SetVideoCodec
SetVframes
SetFrameRate
SetAudioRate
SetSkipAudio
SetSkipVideo
SetMaxKeyFrame
SetMinKeyFrame
SetKeyframeInterval
SetAudioCodec
SetAudioBitRate
SetAudioChannels
SetBufferSize
SetThreads
SetPreset
SetTune
SetAudioProfile
SetVideoProfile
SetDuration
SetDurationInput
SetSeekTime
SetSeekTimeInput
SetSeekUsingTsInput
SetQuality
SetStrict
SetCopyTs
SetMuxDelay
SetHideBanner
SetInputPath
SetNativeFramerateInput
SetRtmpLive
SetHlsListSize
SetHlsSegmentDuration
SetHlsPlaylistType
SetHttpMethod
SetHttpKeepAlive
SetOutputPath
SetOutputFormat

Example

func main() {

	// Create new instance of transcoder
	trans := new(transcoder.Transcoder)

  // Initialize transcoder passing the input file path and output file path and if the files are remote or local
    	err := trans.Initialize( inputPath, outputPath, remote_file )
	// Handle error...

	// SET FRAME RATE TO MEDIAFILE
	trans.MediaFile().SetFrameRate(70)
	// SET ULTRAFAST PRESET TO MEDIAFILE
	trans.MediaFile().SetPreset("ultrafast")

	// Start transcoder process to check progress
	done := trans.Run(true)

	// Returns a channel to get the transcoding progress
	progress := trans.Output()

	// Example of printing transcoding progress
	for msg := range progress {
		fmt.Println(msg)
	}

	// This channel is used to wait for the transcoding process to end
	err = <-done

}

Building...