youtube

README

Download Youtube Video in Golang

This package is a Youtube video download package, for more detail refer https://github.com/rg3/youtube-dl for more download option.

How it works

• Parse the video ID you input in URL
  • ex: https://www.youtube.com/watch?v=rFejpH_tAHM, the video id is rFejpH_tAHM
• Get video information via video id.
  • Use URL: http://youtube.com/get_video_info?video_id=
• Parse and decode video information.
  • Download URL in "url="
  • title in "title="
  • Need sinature in "sig="
• Download video from URL
  • Need the string combination of "url+sig"

Install

go get github.com/kkdai/youtube

Usage

package main

import (
	"flag"
	"log"
	"os"
	"path/filepath"

	. "github.com/kkdai/youtube"
)

func main() {
	currentFile, _ := filepath.Abs(os.Args[0])
	log.Println("download to file=", currentFile)

	// NewYoutube(debug) if debug parameter will set true we can log of messages
	y := NewYoutube(true)
	y.DecodeURL("https://www.youtube.com/watch?v=rFejpH_tAHM")
	y.StartDownload(currentFile)
}

Use the binary directly

go get github.com/kkdai/youtube/youtubedr

Download video from dotGo 2015 - Rob Pike - Simplicity is Complicated

youtubedr https://www.youtube.com/watch?v=rFejpH_tAHM

Inspired

• https://github.com/lepidosteus/youtube-dl
• 拆解 Youtube 影片下載位置

Project52

It is one of my project 52.

License

This package is licensed under MIT license. See LICENSE for details.

Documentation

Index

• func SetLogOutput(w io.Writer)
• type Youtube
  • func NewYoutube(debug bool) *Youtube
  • func (y *Youtube) DecodeURL(url string) error
  • func (y *Youtube) GetDownloadUrl() string
  • func (y *Youtube) StartDownload(destFile string) error
  • func (y *Youtube) Write(p []byte) (n int, err error)

Functions

func SetLogOutput

func SetLogOutput(w io.Writer)

Types

type Youtube

type Youtube struct {
	DebugMode  bool
	StreamList []stream
	VideoID    string

	DownloadPercent chan int64
	// contains filtered or unexported fields
}

func NewYoutube

func NewYoutube(debug bool) *Youtube

func (*Youtube) DecodeURL

func (y *Youtube) DecodeURL(url string) error

func (*Youtube) GetDownloadUrl

func (y *Youtube) GetDownloadUrl() string

func (*Youtube) StartDownload

func (y *Youtube) StartDownload(destFile string) error

func (*Youtube) Write

func (y *Youtube) Write(p []byte) (n int, err error)