youtube

package module
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 Go to latest Published: Dec 10, 2020 License: MIT Imports: 12 Imported by: 0

README

Download Youtube Video in Golang

GitHub license GoDoc Build Status Coverage

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

This tool is meant to be used to download CC0 licenced content, we do not support nor recommend using it for illegal activities.

Overview

Installation

Install via go get
go get github.com/kkdai/youtube/v2
From source code
git clone https://github.com/kkdai/youtube.git
cd youtube
go run ./cmd/youtubedr
Mac
brew install youtubedr
in Termux
pkg install youtubedr

Usage

Use the binary directly

It's really simple to use, just get the video id from youtube url - ex: https://www.youtube.com/watch?v=rFejpH_tAHM, the video id is rFejpH_tAHM

$ youtubedr download QAGDGja7kbs
$ youtubedr download https://www.youtube.com/watch?v=rFejpH_tAHM
Use this package in your golang program

Please check out the example_test.go for example code.

Example:

  • Get information of dotGo-2015-rob-pike video for downloading

    go get github.com/kkdai/youtube/v2/youtubedr

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

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

Title: dotGo 2015 - Rob Pike - Simplicity is Complicated
Author: dotconferences
-----available streams-----
itag:  18 , quality: medium , type: video/mp4; codecs="avc1.42001E, mp4a.40.2"
itag:  22 , quality:  hd720 , type: video/mp4; codecs="avc1.64001F, mp4a.40.2"
itag: 137 , quality: hd1080 , type: video/mp4; codecs="avc1.640028"
itag: 248 , quality: hd1080 , type: video/webm; codecs="vp9"
........
  • Download dotGo-2015-rob-pike-video

    go get github.com/kkdai/youtube/v2/youtubedr

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

    youtubedr download https://www.youtube.com/watch?v=rFejpH_tAHM
  • Download video to specific folder and name

    go get github.com/kkdai/youtube/v2/youtubedr

    Download video from dotGo 2015 - Rob Pike - Simplicity is Complicated to current directory and name the file to simplicity-is-complicated.mp4

    youtubedr download -d ./ -o simplicity-is-complicated.mp4 https://www.youtube.com/watch?v=rFejpH_tAHM
  • Download video with specific quality

    go get github.com/kkdai/youtube/v2/youtubedr

    Download video from dotGo 2015 - Rob Pike - Simplicity is Complicated with specific quality

    youtubedr download -q medium https://www.youtube.com/watch?v=rFejpH_tAHM
    Special case by quality hd1080:

    Installation of ffmpeg is necessary for hd1080

    ffmpeg   //check ffmpeg is installed, if not please download ffmpeg and set to your PATH.
youtubedr download -q hd1080 https://www.youtube.com/watch?v=rFejpH_tAHM
  • Download video with specific itag

    go get github.com/kkdai/youtube/v2/youtubedr

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

    youtubedr download -q 18 https://www.youtube.com/watch?v=rFejpH_tAHM

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="
  • Download video from URL
    • Need the string combination of "url"

Inspired

Project52

It is one of my project 52.

License

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

Documentation

Overview

Package youtube implement youtube download package in go.

Index

Examples

Constants

This section is empty.

Variables

View Source 
var (
	ErrCipherNotFound             = errors.New("cipher not found")
	ErrInvalidCharactersInVideoID = errors.New("invalid characters in video id")
	ErrVideoIDMinLength           = errors.New("the video id must be at least 10 characters long")
	ErrReadOnClosedResBody        = errors.New("http: read on closed response body")
)

Functions

This section is empty.

Types

type Client 

type Client struct {
	// Debug enables debugging output through log package
	Debug bool

	// HTTPClient can be used to set a custom HTTP client.
	// If not set, http.DefaultClient will be used
	HTTPClient *http.Client
}

Client offers methods to download video metadata and video streams.

Example

ExampleDownload : Example code for how to use this package for download video. 

videoID := "BaW_jenozKc"
client := youtube.Client{}

video, err := client.GetVideo(videoID)
if err != nil {
	panic(err)
}

resp, err := client.GetStream(video, &video.Formats[0])
if err != nil {
	panic(err)
}
defer resp.Body.Close()

file, err := os.Create("video.mp4")
if err != nil {
	panic(err)
}
defer file.Close()

_, err = io.Copy(file, resp.Body)
if err != nil {
	panic(err)
}

Output:

func (*Client) GetStream 

func (c *Client) GetStream(video *Video, format *Format) (*http.Response, error)

GetStream returns the HTTP response for a specific format

func (*Client) GetStreamContext 

func (c *Client) GetStreamContext(ctx context.Context, video *Video, format *Format) (*http.Response, error)

GetStreamContext returns the HTTP response for a specific format with a context

func (*Client) GetStreamURL 

func (c *Client) GetStreamURL(video *Video, format *Format) (string, error)

GetStreamURL returns the url for a specific format

func (*Client) GetStreamURLContext 

func (c *Client) GetStreamURLContext(ctx context.Context, video *Video, format *Format) (string, error)

GetStreamURL returns the url for a specific format with a context

func (*Client) GetVideo 

func (c *Client) GetVideo(url string) (*Video, error)

GetVideo fetches video metadata

func (*Client) GetVideoContext 

func (c *Client) GetVideoContext(ctx context.Context, url string) (*Video, error)

GetVideoContext fetches video metadata with a context

type ErrPlayabiltyStatus 

type ErrPlayabiltyStatus struct {
	Status string
	Reason string
}

func (ErrPlayabiltyStatus) Error 

func (err ErrPlayabiltyStatus) Error() string

type ErrResponseStatus 

type ErrResponseStatus struct {
	Status string
	Reason string
}

func (ErrResponseStatus) Error 

func (err ErrResponseStatus) Error() string

type ErrUnexpectedStatusCode 

type ErrUnexpectedStatusCode int

ErrUnexpectedStatusCode is returned on unexpected HTTP status codes

func (ErrUnexpectedStatusCode) Error 

func (err ErrUnexpectedStatusCode) Error() string

type Format 

type Format struct {
	ItagNo           int    `json:"itag"`
	URL              string `json:"url"`
	MimeType         string `json:"mimeType"`
	Quality          string `json:"quality"`
	Cipher           string `json:"signatureCipher"`
	Bitrate          int    `json:"bitrate"`
	FPS              int    `json:"fps"`
	Width            int    `json:"width"`
	Height           int    `json:"height"`
	LastModified     string `json:"lastModified"`
	ContentLength    string `json:"contentLength"`
	QualityLabel     string `json:"qualityLabel"`
	ProjectionType   string `json:"projectionType"`
	AverageBitrate   int    `json:"averageBitrate"`
	AudioQuality     string `json:"audioQuality"`
	ApproxDurationMs string `json:"approxDurationMs"`
	AudioSampleRate  string `json:"audioSampleRate"`
	AudioChannels    int    `json:"audioChannels"`

	// InitRange is only available for adaptive formats
	InitRange *struct {
		Start string `json:"start"`
		End   string `json:"end"`
	} `json:"initRange"`

	// IndexRange is only available for adaptive formats
	IndexRange *struct {
		Start string `json:"start"`
		End   string `json:"end"`
	} `json:"indexRange"`
}

type FormatList 

type FormatList []Format

func (FormatList) FindByItag 

func (list FormatList) FindByItag(itagNo int) *Format

func (FormatList) FindByQuality 

func (list FormatList) FindByQuality(quality string) *Format

type Thumbnail 

type Thumbnail struct {
	URL    string `json:"url"`
	Width  int    `json:"width"`
	Height int    `json:"height"`
}

type Video 

type Video struct {
	ID              string
	Title           string
	Description     string
	Author          string
	Duration        time.Duration
	Formats         FormatList
	DASHManifestURL string // URI of the DASH manifest file
	HLSManifestURL  string // URI of the HLS manifest file
	Thumbnails      []Thumbnail
}

Source Files

View all Source files

Directories

Path Synopsis
cmd
youtubedr

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