ffmpeg

Documentation

Index

• func Concatenate(fnames []string) (fname2 string, err error)
• func IsInstalled() bool
• func Normalize(fname string, fnameout string) (err error)
• func NumSamples(fname string) (numSamples int64, sampleRate int64, err error)
• func RemoveSilence(fnameIn, fnameOut string) (err error)
• func SplitOnSilence(fname string, silenceDB int, silenceMinimumSeconds float64, correction float64) (segments []models.AudioSegment, err error)
• func ToMono(fname string) (fname2 string, err error)
• type Normalization

Functions

func Concatenate

func Concatenate(fnames []string) (fname2 string, err error)

func IsInstalled

func IsInstalled() bool

IsInstalled checks whether ffmpeg is installed

func Normalize

func Normalize(fname string, fnameout string) (err error)

Normalize will perform double pass ebu R128 normalization http://peterforgacs.github.io/2018/05/20/Audio-normalization-with-ffmpeg/

func NumSamples

func NumSamples(fname string) (numSamples int64, sampleRate int64, err error)

func RemoveSilence

func RemoveSilence(fnameIn, fnameOut string) (err error)

func SplitOnSilence

func SplitOnSilence(fname string, silenceDB int, silenceMinimumSeconds float64, correction float64) (segments []models.AudioSegment, err error)

SplitOnSilence splits any audio file based on its silence

func ToMono

func ToMono(fname string) (fname2 string, err error)

Types

type Normalization

type Normalization struct {
	InputI            string `json:"input_i"`
	InputTp           string `json:"input_tp"`
	InputLra          string `json:"input_lra"`
	InputThresh       string `json:"input_thresh"`
	OutputI           string `json:"output_i"`
	OutputTp          string `json:"output_tp"`
	OutputLra         string `json:"output_lra"`
	OutputThresh      string `json:"output_thresh"`
	NormalizationType string `json:"normalization_type"`
	TargetOffset      string `json:"target_offset"`
}