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Man Pages


Manual Reference Pages  -  YOUTUBE-DL (1)

NAME

youtube-dl - download videos from youtube.com or other video platforms

CONTENTS

Synopsis
Description
Options
     Network Options:
     Video Selection:
     Download Options:
     Filesystem Options:
     Thumbnail images:
     Verbosity / Simulation Options:
     Workarounds:
     Video Format Options:
     Subtitle Options:
     Authentication Options:
     Post-processing Options:
Configuration
          Authentication with C].netrc] file
Output Template
     Output template examples
Format Selection
     Format selection examples
Video Selection
Faq
     How do I update youtube-dl?
     I[aq]m getting an error
          Do I always have to pass C]-citw]?
          Can you please put the C]-b] option back?
     I get HTTP error 402 when trying to download a video. What[aq]s
     Do I need any other programs?
     I have downloaded a video but how can I play it?
          I extracted a video URL with C]-g], but it does not play on
     ERROR: no fmt_url_map or conn information found in video info
     ERROR: unable to download video
     Video URL contains an ampersand and I[aq]m getting some strange
     ExtractorError: Could not find JS function u[aq]OF[aq]
     HTTP Error 429: Too Many Requests or 402: Payment Required
     SyntaxError: Non-ASCII character
     What is this binary file? Where has the code gone?
          The exe throws a I]Runtime error from Visual C++]
     On Windows, how should I set up ffmpeg and youtube-dl? Where should
     How do I put downloads into a specific folder?
          How do I download a video starting with a C]-]?
     How do I pass cookies to youtube-dl?
     Can you add support for this anime video site, or site which shows
     How can I speed up work on my issue?
     How can I detect whether a given URL is supported by youtube-dl?
Developer Instructions
     Adding support for a new site
Embedding Youtube-dl
Bugs
     Is the description of the issue itself sufficient?
     Are you using the latest version?
     Is the issue already documented?
     Why are existing options not enough?
     Is there enough context in your bug report?
     Does the issue involve one problem, and one problem only?
     Is anyone going to need the feature?
     Is your question about youtube-dl?
Copyright

SYNOPSIS

B]youtube-dl] [OPTIONS] URL [URL...]

DESCRIPTION

B]youtube-dl] is a small command-line program to download videos from YouTube.com and a few more sites. It requires the Python interpreter, version 2.6, 2.7, or 3.2+, and it is not platform specific. It should work on your Unix box, on Windows or on Mac OS X. It is released to the public domain, which means you can modify it, redistribute it or use it however you like.

OPTIONS

-h, --help Print this help text and exit
--version
  Print program version and exit
-U, --update
  Update this program to latest version. Make sure that you have sufficient permissions (run with sudo if needed)
-i, --ignore-errors
  Continue on download errors, for example to skip unavailable videos in a playlist
--abort-on-error
  Abort downloading of further videos (in the playlist or the command line) if an error occurs
--dump-user-agent
  Display the current browser identification
--list-extractors
  List all supported extractors
--extractor-descriptions
  Output descriptions of all supported extractors
--force-generic-extractor
  Force extraction to use the generic extractor
--default-search I]PREFIX]
  Use this prefix for unqualified URLs. For example "gvsearch2:" downloads two videos from google videos for youtube-dl "large apple". Use the value "auto" to let youtube-dl guess ("auto_warning" to emit a warning when guessing). "error" just throws an error. The default value "fixup_error" repairs broken URLs, but emits an error if this is not possible instead of searching.
--ignore-config
  Do not read configuration files. When given in the global configuration file /etc /youtube-dl.conf: Do not read the user configuration in ~/.config/youtube- dl/config (%APPDATA%/youtube-dl/config.txt on Windows)
--flat-playlist
  Do not extract the videos of a playlist, only list them.
--no-color
  Do not emit color codes in output

    Network Options:

--proxy I]URL]
  Use the specified HTTP/HTTPS proxy. Pass in an empty string (--proxy "") for direct connection
--socket-timeout I]SECONDS]
  Time to wait before giving up, in seconds
--source-address I]IP]
  Client-side IP address to bind to (experimental)
-4, --force-ipv4
  Make all connections via IPv4 (experimental)
-6, --force-ipv6
  Make all connections via IPv6 (experimental)
--cn-verification-proxy I]URL]
  Use this proxy to verify the IP address for some Chinese sites. The default proxy specified by --proxy (or none, if the options is not present) is used for the actual downloading. (experimental)

    Video Selection:

--playlist-start I]NUMBER]
  Playlist video to start at (default is 1)
--playlist-end I]NUMBER]
  Playlist video to end at (default is last)
--playlist-items I]ITEM_SPEC]
  Playlist video items to download. Specify indices of the videos in the playlist separated by commas like: "--playlist-items 1,2,5,8" if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13.
--match-title I]REGEX]
  Download only matching titles (regex or caseless sub-string)
--reject-title I]REGEX]
  Skip download for matching titles (regex or caseless sub-string)
--max-downloads I]NUMBER]
  Abort after downloading NUMBER files
--min-filesize I]SIZE]
  Do not download any videos smaller than SIZE (e.g. 50k or 44.6m)
--max-filesize I]SIZE]
  Do not download any videos larger than SIZE (e.g. 50k or 44.6m)
--date I]DATE]
  Download only videos uploaded in this date
--datebefore I]DATE]
  Download only videos uploaded on or before this date (i.e. inclusive)
--dateafter I]DATE]
  Download only videos uploaded on or after this date (i.e. inclusive)
--min-views I]COUNT]
  Do not download any videos with less than COUNT views
--max-views I]COUNT]
  Do not download any videos with more than COUNT views
--match-filter I]FILTER]
  Generic video filter (experimental). Specify any key (see help for -o for a list of available keys) to match if the key is present, !key to check if the key is not present,key > NUMBER (like "comment_count > 12", also works with >=, <, <=, !=, =) to compare against a number, and & to require multiple matches. Values which are not known are excluded unless you put a question mark (?) after the operator.For example, to only match videos that have been liked more than 100 times and disliked less than 50 times (or the dislike functionality is not available at the given service), but who also have a description, use --match-filter "like_count > 100 & dislike_count <? 50 & description" .
--no-playlist
  Download only the video, if the URL refers to a video and a playlist.
--yes-playlist
  Download the playlist, if the URL refers to a video and a playlist.
--age-limit I]YEARS]
  Download only videos suitable for the given age
--download-archive I]FILE]
  Download only videos not listed in the archive file. Record the IDs of all downloaded videos in it.
--include-ads
  Download advertisements as well (experimental)

    Download Options:

-r, --rate-limit I]LIMIT]
  Maximum download rate in bytes per second (e.g. 50K or 4.2M)
-R, --retries I]RETRIES]
  Number of retries (default is 10), or "infinite".
--buffer-size I]SIZE]
  Size of download buffer (e.g. 1024 or 16K) (default is 1024)
--no-resize-buffer
  Do not automatically adjust the buffer size. By default, the buffer size is automatically resized from an initial value of SIZE.
--playlist-reverse
  Download playlist videos in reverse order
--xattr-set-filesize
  Set file xattribute ytdl.filesize with expected filesize (experimental)
--hls-prefer-native
  Use the native HLS downloader instead of ffmpeg (experimental)
--hls-use-mpegts
  Use the mpegts container for HLS videos, allowing to play the video while downloading (some players may not be able to play it)
--external-downloader I]COMMAND]
  Use the specified external downloader. Currently supports aria2c,axel,curl,httpie,wget
--external-downloader-args I]ARGS]
  Give these arguments to the external downloader

    Filesystem Options:

-a, --batch-file I]FILE]
  File containing URLs to download ([aq]-[aq] for stdin)
--id Use only video ID in file name
-o, --output I]TEMPLATE]
  Output filename template. Use %(title)s to get the title, %(uploader)s for the uploader name, %(uploader_id)s for the uploader nickname if different, %(autonumber)s to get an automatically incremented number, %(ext)s for the filename extension, %(format)s for the format description (like "22 - 1280x720" or "HD"), %(format_id)s for the unique id of the format (like YouTube[aq]s itags: "137"), %(upload_date)s for the upload date (YYYYMMDD), %(extractor)s for the provider (youtube, metacafe, etc), %(id)s for the video id, %(playlist_title)s, %(playlist_id)s, or %(playlist)s (=title if present, ID otherwise) for the playlist the video is in, %(playlist_index)s for the position in the playlist. %(height)s and %(width)s for the width and height of the video format. %(resolution)s for a textual description of the resolution of the video format. %% for a literal percent. Use - to output to stdout. Can also be used to download to a different directory, for example with -o [aq]/my/downloads/%(uploader)s /%(title)s-%(id)s.%(ext)s[aq] .
--autonumber-size I]NUMBER]
  Specify the number of digits in %(autonumber)s when it is present in output filename template or --auto-number option is given
--restrict-filenames
  Restrict filenames to only ASCII characters, and avoid "&" and spaces in filenames
-A, --auto-number
  [deprecated; use -o "%(autonumber)s-%(title)s.%(ext)s" ] Number downloaded files starting from 00000
-t, --title
  [deprecated] Use title in file name (default)
-l, --literal
  [deprecated] Alias of --title
-w, --no-overwrites
  Do not overwrite files
-c, --continue
  Force resume of partially downloaded files. By default, youtube-dl will resume downloads if possible.
--no-continue
  Do not resume partially downloaded files (restart from beginning)
--no-part Do not use .part files - write directly into output file
--no-mtime
  Do not use the Last-modified header to set the file modification time
--write-description
  Write video description to a .description file
--write-info-json
  Write video metadata to a .info.json file
--write-annotations
  Write video annotations to a .annotations.xml file
--load-info I]FILE]
  JSON file containing the video information (created with the "--write-info-json" option)
--cookies I]FILE]
  File to read cookies from and dump cookie jar in
--cache-dir I]DIR]
  Location in the filesystem where youtube-dl can store some downloaded information permanently. By default $XDG_CACHE_HOME /youtube-dl or ~/.cache/youtube-dl . At the moment, only YouTube player files (for videos with obfuscated signatures) are cached, but that may change.
--no-cache-dir
  Disable filesystem caching
--rm-cache-dir
  Delete all filesystem cache files

    Thumbnail images:

--write-thumbnail
  Write thumbnail image to disk
--write-all-thumbnails
  Write all thumbnail image formats to disk
--list-thumbnails
  Simulate and list all available thumbnail formats

    Verbosity / Simulation Options:

-q, --quiet
  Activate quiet mode
--no-warnings
  Ignore warnings
-s, --simulate
  Do not download the video and do not write anything to disk
--skip-download
  Do not download the video
-g, --get-url
  Simulate, quiet but print URL
-e, --get-title
  Simulate, quiet but print title
--get-id Simulate, quiet but print id
--get-thumbnail
  Simulate, quiet but print thumbnail URL
--get-description
  Simulate, quiet but print video description
--get-duration
  Simulate, quiet but print video length
--get-filename
  Simulate, quiet but print output filename
--get-format
  Simulate, quiet but print output format
-j, --dump-json
  Simulate, quiet but print JSON information. See --output for a description of available keys.
-J, --dump-single-json
  Simulate, quiet but print JSON information for each command-line argument. If the URL refers to a playlist, dump the whole playlist information in a single line.
--print-json
  Be quiet and print the video information as JSON (video is still being downloaded).
--newline
  Output progress bar as new lines
--no-progress
  Do not print progress bar
--console-title
  Display progress in console titlebar
-v, --verbose
  Print various debugging information
--dump-pages
  Print downloaded pages encoded using base64 to debug problems (very verbose)
--write-pages
  Write downloaded intermediary pages to files in the current directory to debug problems
--print-traffic
  Display sent and read HTTP traffic
-C, --call-home
  Contact the youtube-dl server for debugging
--no-call-home
  Do NOT contact the youtube-dl server for debugging

    Workarounds:

--encoding I]ENCODING]
  Force the specified encoding (experimental)
--no-check-certificate
  Suppress HTTPS certificate validation
--prefer-insecure
  Use an unencrypted connection to retrieve information about the video. (Currently supported only for YouTube)
--user-agent I]UA]
  Specify a custom user agent
--referer I]URL]
  Specify a custom referer, use if the video access is restricted to one domain
--add-header I]FIELD:VALUE]
  Specify a custom HTTP header and its value, separated by a colon [aq]:[aq]. You can use this option multiple times
--bidi-workaround
  Work around terminals that lack bidirectional text support. Requires bidiv or fribidi executable in PATH
--sleep-interval I]SECONDS]
  Number of seconds to sleep before each download.

    Video Format Options:

-f, --format I]FORMAT]
  Video format code, see the "FORMAT SELECTION" for all the info
--all-formats
  Download all available video formats
--prefer-free-formats
  Prefer free video formats unless a specific one is requested
-F, --list-formats
  List all available formats of requested videos
--youtube-skip-dash-manifest
  Do not download the DASH manifests and related data on YouTube videos
--merge-output-format I]FORMAT]
  If a merge is required (e.g. bestvideo+bestaudio), output to given container format. One of mkv, mp4, ogg, webm, flv. Ignored if no merge is required

    Subtitle Options:

--write-sub
  Write subtitle file
--write-auto-sub
  Write automatically generated subtitle file (YouTube only)
--all-subs
  Download all the available subtitles of the video
--list-subs
  List all available subtitles for the video
--sub-format I]FORMAT]
  Subtitle format, accepts formats preference, for example: "srt" or "ass/srt/best"
--sub-lang I]LANGS]
  Languages of the subtitles to download (optional) separated by commas, use --list- subs for available language tags

    Authentication Options:

-u, --username I]USERNAME]
  Login with this account ID
-p, --password I]PASSWORD]
  Account password. If this option is left out, youtube-dl will ask interactively.
-2, --twofactor I]TWOFACTOR]
  Two-factor auth code
-n, --netrc
  Use .netrc authentication data
--video-password I]PASSWORD]
  Video password (vimeo, smotri, youku)

    Post-processing Options:

-x, --extract-audio
  Convert video files to audio-only files (requires ffmpeg or avconv and ffprobe or avprobe)
--audio-format I]FORMAT]
  Specify audio format: "best", "aac", "vorbis", "mp3", "m4a", "opus", or "wav"; "best" by default
--audio-quality I]QUALITY]
  Specify ffmpeg/avconv audio quality, insert a value between 0 (better) and 9 (worse) for VBR or a specific bitrate like 128K (default 5)
--recode-video I]FORMAT]
  Encode the video to another format if necessary (currently supported: mp4|flv|ogg|webm|mkv|avi)
--postprocessor-args I]ARGS]
  Give these arguments to the postprocessor
-k, --keep-video
  Keep the video file on disk after the post- processing; the video is erased by default
--no-post-overwrites
  Do not overwrite post-processed files; the post-processed files are overwritten by default
--embed-subs
  Embed subtitles in the video (only for mkv and mp4 videos)
--embed-thumbnail
  Embed thumbnail in the audio as cover art
--add-metadata
  Write metadata to the video file
--metadata-from-title I]FORMAT]
  Parse additional metadata like song title / artist from the video title. The format syntax is the same as --output, the parsed parameters replace existing values. Additional templates: %(album)s, %(artist)s. Example: --metadata-from-title "%(artist)s - %(title)s" matches a title like "Coldplay - Paradise"
--xattrs
  Write metadata to the video file[aq]s xattrs (using dublin core and xdg standards)
--fixup I]POLICY]
  Automatically correct known faults of the file. One of never (do nothing), warn (only emit a warning), detect_or_warn (the default; fix file if we can, warn otherwise)
--prefer-avconv
  Prefer avconv over ffmpeg for running the postprocessors (default)
--prefer-ffmpeg
  Prefer ffmpeg over avconv for running the postprocessors
--ffmpeg-location I]PATH]
  Location of the ffmpeg/avconv binary; either the path to the binary or its containing directory.
--exec I]CMD]
  Execute a command on the file after downloading, similar to find[aq]s -exec syntax. Example: --exec [aq]adb push {} /sdcard/Music/ && rm {}[aq]
--convert-subs I]FORMAT]
  Convert the subtitles to other format (currently supported: srt|ass|vtt)

CONFIGURATION

You can configure youtube-dl by placing any supported command line option to a configuration file. On Linux, the system wide configuration file is located at C]/etc/youtube-dl.conf] and the user wide configuration file at C]~/.config/youtube-dl/config]. On Windows, the user wide configuration file locations are C]%APPDATA%\youtube-dl\config.txt] or C]C:\Userslt;user name>\youtube-dl.conf].

For example, with the following configuration file youtube-dl will always extract the audio, not copy the mtime, use a proxy and save all videos under C]Movies] directory in your home directory:
C]
-x
--no-mtime
--proxy 127.0.0.1:3128
-o ~/Movies/%(title)s.%(ext)s
]

Note that options in configuration file are just the same options aka switches used in regular command line calls thus there
B]must be no whitespace] after C]-] or C]--], e.g. C]-o] or C]--proxy] but not C]- o] or C]-- proxy].

You can use C]--ignore-config] if you want to disable the configuration file for a particular youtube-dl run.

Authentication with C].netrc] file

You may also want to configure automatic credentials storage for extractors that support authentication (by providing login and password with C]--username] and C]--password]) in order not to pass credentials as command line arguments on every youtube-dl execution and prevent tracking plain text passwords in the shell command history. You can achieve this using a C].netrc] file (http://stackoverflow.com/tags/.netrc/info) on per extractor basis. For that you will need to create aC].netrc] file in your C]$HOME] and restrict permissions to read/write by you only:
C]
touch $HOME/.netrc
chmod a-rwx,u+rw $HOME/.netrc
]

After that you can add credentials for extractor in the following format, where I]extractor] is the name of extractor in lowercase:
C]
machine <extractor> login <login> password <password>
]

For example:
C]
machine youtube login myaccount\@gmail.com password my_youtube_password
machine twitch login my_twitch_account_name password my_twitch_password
]

To activate authentication with the
C].netrc] file you should pass C]--netrc] to youtube-dl or place it in the configuration file (#configuration).

On Windows you may also need to setup the C]%HOME%] environment variable manually.

OUTPUT TEMPLATE

The C]-o] option allows users to indicate a template for the output file names.

B]tl;dr:] navigate me to examples (#output-template-examples).

The basic usage is not to set any template arguments when downloading a single file, like in C]youtube-dl -o funny_video.flv "http://some/video"]. However, it may contain special sequences that will be replaced when downloading each video. The special sequences have the format C]%(NAME)s]. To clarify, that is a percent symbol followed by a name in parentheses, followed by a lowercase S. Allowed names are:
[bu] C]id]: Video identifier
[bu] C]title]: Video title
[bu] C]url]: Video URL
[bu] C]ext]: Video filename extension
[bu] C]alt_title]: A secondary title of the video
[bu] C]display_id]: An alternative identifier for the video
[bu] C]uploader]: Full name of the video uploader
[bu] C]creator]: The main artist who created the video
[bu] C]release_date]: The date (YYYYMMDD) when the video was released
[bu] C]timestamp]: UNIX timestamp of the moment the video became available
[bu] C]upload_date]: Video upload date (YYYYMMDD)
[bu] C]uploader_id]: Nickname or id of the video uploader
[bu] C]location]: Physical location where the video was filmed
[bu] C]duration]: Length of the video in seconds
[bu] C]view_count]: How many users have watched the video on the platform
[bu] C]like_count]: Number of positive ratings of the video
[bu] C]dislike_count]: Number of negative ratings of the video
[bu] C]repost_count]: Number of reposts of the video
[bu] C]average_rating]: Average rating give by users, the scale used depends on the webpage
[bu] C]comment_count]: Number of comments on the video
[bu] C]age_limit]: Age restriction for the video (years)
[bu] C]format]: A human-readable description of the format
[bu] C]format_id]: Format code specified by C]--format]
[bu] C]format_note]: Additional info about the format
[bu] C]width]: Width of the video
[bu] C]height]: Height of the video
[bu] C]resolution]: Textual description of width and height
[bu] C]tbr]: Average bitrate of audio and video in KBit/s
[bu] C]abr]: Average audio bitrate in KBit/s
[bu] C]acodec]: Name of the audio codec in use
[bu] C]asr]: Audio sampling rate in Hertz
[bu] C]vbr]: Average video bitrate in KBit/s
[bu] C]fps]: Frame rate
[bu] C]vcodec]: Name of the video codec in use
[bu] C]container]: Name of the container format
[bu] C]filesize]: The number of bytes, if known in advance
[bu] C]filesize_approx]: An estimate for the number of bytes
[bu] C]protocol]: The protocol that will be used for the actual download
[bu] C]extractor]: Name of the extractor
[bu] C]extractor_key]: Key name of the extractor
[bu] C]epoch]: Unix epoch when creating the file
[bu] C]autonumber]: Five-digit number that will be increased with each download, starting at zero
[bu] C]playlist]: Name or id of the playlist that contains the video
[bu] C]playlist_index]: Index of the video in the playlist padded with leading zeros according to the total length of the playlist
Available for the video that belongs to some logical chapter or section: -
C]chapter]: Name or title of the chapter the video belongs to - C]chapter_number]: Number of the chapter the video belongs to - C]chapter_id]: Id of the chapter the video belongs to

Available for the video that is an episode of some series or programme: - C]series]: Title of the series or programme the video episode belongs to - C]season]: Title of the season the video episode belongs to - C]season_number]: Number of the season the video episode belongs to - C]season_id]: Id of the season the video episode belongs to - C]episode]: Title of the video episode - C]episode_number]: Number of the video episode within a season - C]episode_id]: Id of the video episode

Each aforementioned sequence when referenced in output template will be replaced by the actual value corresponding to the sequence name. Note that some of the sequences are not guaranteed to be present since they depend on the metadata obtained by particular extractor, such sequences will be replaced with C]NA].

For example for C]-o %(title)s-%(id)s.%(ext)s] and mp4 video with title C]youtube-dl test video] and id C]BaW_jenozKcj] this will result in a C]youtube-dl test video-BaW_jenozKcj.mp4] file created in the current directory.

Output template can also contain arbitrary hierarchical path, e.g. C]-o [aq]%(playlist)s/%(playlist_index)s - %(title)s.%(ext)s[aq]] that will result in downloading each video in a directory corresponding to this path template. Any missing directory will be automatically created for you.

To specify percent literal in output template use C]%%]. To output to stdout use C]-o -].

The current default template is C]%(title)s-%(id)s.%(ext)s].

In some cases, you don[aq]t want special characters such as 中, spaces, or &, such as when transferring the downloaded filename to a Windows system or the filename through an 8bit-unsafe channel. In these cases, add the C]--restrict-filenames] flag to get a shorter title:

    Output template examples

Note on Windows you may need to use double quotes instead of single.
C]
$ youtube-dl --get-filename -o [aq]%(title)s.%(ext)s[aq] BaW_jenozKc
youtube-dl test video [aq][aq]_ä↭𝕐.mp4    # All kinds of weird characters

$ youtube-dl --get-filename -o [aq]%(title)s.%(ext)s[aq] BaW_jenozKc --restrict-filenames youtube-dl_test_video_.mp4 # A simple file name

# Download YouTube playlist videos in separate directory indexed by video order in a playlist $ youtube-dl -o [aq]%(playlist)s/%(playlist_index)s - %(title)s.%(ext)s[aq] https://www.youtube.com/playlist?list=PLwiyx1dc3P2JR9N8gQaQN_BCvlSlap7re

# Download all playlists of YouTube channel/user keeping each playlist in separate directory: $ youtube-dl -o [aq]%(uploader)s/%(playlist)s/%(playlist_index)s - %(title)s.%(ext)s[aq] https://www.youtube.com/user/TheLinuxFoundation/playlists

# Download Udemy course keeping each chapter in separate directory under MyVideos directory in your home $ youtube-dl -u user -p password -o [aq]~/MyVideos/%(playlist)s/%(chapter_number)s - %(chapter)s/%(title)s.%(ext)s[aq] https://www.udemy.com/java-tutorial/

# Download entire series season keeping each series and each season in separate directory under C:/MyVideos $ youtube-dl -o "C:/MyVideos/%(series)s/%(season_number)s - %(season)s/%(episode_number)s - %(episode)s.%(ext)s" http://videomore.ru/kino_v_detalayah/5_sezon/367617

# Stream the video being downloaded to stdout $ youtube-dl -o - BaW_jenozKc ]

FORMAT SELECTION

By default youtube-dl tries to download the best available quality, i.e. if you want the best quality you B]don[aq]t need] to pass any special options, youtube-dl will guess it for you by B]default].

But sometimes you may want to download in a different format, for example when you are on a slow or intermittent connection. The key mechanism for achieving this is so called I]format selection] based on which you can explicitly specify desired format, select formats based on some criterion or criteria, setup precedence and much more.

The general syntax for format selection is C]--format FORMAT] or shorter C]-f FORMAT] where C]FORMAT] is a I]selector expression], i.e. an expression that describes format or formats you would like to download.

B]tl;dr:] navigate me to examples (#format-selection-examples).

The simplest case is requesting a specific format, for example with C]-f 22] you can download the format with format code equal to 22. You can get the list of available format codes for particular video using C]--list-formats] or C]-F]. Note that these format codes are extractor specific.

You can also use a file extension (currently C]3gp], C]aac], C]flv], C]m4a], C]mp3], C]mp4], C]ogg], C]wav], C]webm] are supported) to download best quality format of particular file extension served as a single file, e.g. C]-f webm] will download best quality format with C]webm] extension served as a single file.

You can also use special names to select particular edge case format: - C]best]: Select best quality format represented by single file with video and audio - C]worst]: Select worst quality format represented by single file with video and audio - C]bestvideo]: Select best quality video only format (e.g. DASH video), may not be available - C]worstvideo]: Select worst quality video only format, may not be available - C]bestaudio]: Select best quality audio only format, may not be available - C]worstaudio]: Select worst quality audio only format, may not be available

For example, to download worst quality video only format you can use C]-f worstvideo].

If you want to download multiple videos and they don[aq]t have the same formats available, you can specify the order of preference using slashes. Note that slash is left-associative, i.e. formats on the left hand side are preferred, for example C]-f 22/17/18] will download format 22 if it[aq]s available, otherwise it will download format 17 if it[aq]s available, otherwise it will download format 18 if it[aq]s available, otherwise it will complain that no suitable formats are available for download.

If you want to download several formats of the same video use comma as a separator, e.g. C]-f 22,17,18] will download all these three formats, of course if they are available. Or more sophisticated example combined with precedence feature C]-f 136/137/mp4/bestvideo,140/m4a/bestaudio].

You can also filter the video formats by putting a condition in brackets, as in C]-f "best[height=720]"] (or C]-f "[filesize>10M]"]).

The following numeric meta fields can be used with comparisons C]<], C]<=], C]>], C]>=], C]=] (equals), C]!=] (not equals): - C]filesize]: The number of bytes, if known in advance - C]width]: Width of the video, if known - C]height]: Height of the video, if known - C]tbr]: Average bitrate of audio and video in KBit/s - C]abr]: Average audio bitrate in KBit/s - C]vbr]: Average video bitrate in KBit/s - C]asr]: Audio sampling rate in Hertz - C]fps]: Frame rate

Also filtering work for comparisons C]=] (equals), C]!=] (not equals), C]^=] (begins with), C]$=] (ends with), C]*=] (contains) and following string meta fields: - C]ext]: File extension - C]acodec]: Name of the audio codec in use - C]vcodec]: Name of the video codec in use - C]container]: Name of the container format - C]protocol]: The protocol that will be used for the actual download, lower-case. C]http], C]https], C]rtsp], C]rtmp], C]rtmpe], C]m3u8], or C]m3u8_native]

Note that none of the aforementioned meta fields are guaranteed to be present since this solely depends on the metadata obtained by particular extractor, i.e. the metadata offered by video hoster.

Formats for which the value is not known are excluded unless you put a question mark (C]?]) after the operator. You can combine format filters, so C]-f "[height <=? 720][tbr>500]"] selects up to 720p videos (or videos where the height is not known) with a bitrate of at least 500 KBit/s.

You can merge the video and audio of two formats into a single file using C]-f <video-format>+<audio-format>] (requires ffmpeg or avconv installed), for example C]-f bestvideo+bestaudio] will download best video only format, best audio only format and mux them together with ffmpeg/avconv.

Format selectors can also be grouped using parentheses, for example if you want to download the best mp4 and webm formats with a height lower than 480 you can use C]-f [aq](mp4,webm)[height<480][aq]].

Since the end of April 2015 and version 2015.04.26 youtube-dl uses C]-f bestvideo+bestaudio/best] as default format selection (see #5447 (https://github.com/rg3/youtube-dl/issues/5447), #5456 (https://github.com/rg3/youtube-dl/issues/5456)). If ffmpeg or avconv are installed this results in downloading C]bestvideo] and C]bestaudio] separately and muxing them together into a single file giving the best overall quality available. Otherwise it falls back to C]best] and results in downloading the best available quality served as a single file. C]best] is also needed for videos that don[aq]t come from YouTube because they don[aq]t provide the audio and video in two different files. If you want to only download some DASH formats (for example if you are not interested in getting videos with a resolution higher than 1080p), you can add C]-f bestvideo[height<=?1080]+bestaudio/best] to your configuration file. Note that if you use youtube-dl to stream to C]stdout] (and most likely to pipe it to your media player then), i.e. you explicitly specify output template as C]-o -], youtube-dl still uses C]-f best] format selection in order to start content delivery immediately to your player and not to wait until C]bestvideo] and C]bestaudio] are downloaded and muxed.

If you want to preserve the old format selection behavior (prior to youtube-dl 2015.04.26), i.e. you want to download the best available quality media served as a single file, you should explicitly specify your choice with C]-f best]. You may want to add it to the configuration file (#configuration) in order not to type it every time you run youtube-dl.

    Format selection examples

Note on Windows you may need to use double quotes instead of single.
C]
# Download best mp4 format available or any other best if no mp4 available
$ youtube-dl -f [aq]bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best[aq]

# Download best format available but not better that 480p $ youtube-dl -f [aq]bestvideo[height<=480]+bestaudio/best[height<=480][aq]

# Download best video only format but no bigger that 50 MB $ youtube-dl -f [aq]best[filesize<50M][aq]

# Download best format available via direct link over HTTP/HTTPS protocol $ youtube-dl -f [aq](bestvideo+bestaudio/best)[protocol^=http][aq] ]

VIDEO SELECTION

Videos can be filtered by their upload date using the options C]--date], C]--datebefore] or C]--dateafter]. They accept dates in two formats:
[bu] Absolute dates: Dates in the format C]YYYYMMDD].
[bu] Relative dates: Dates in the format C](now|today)[+-][0-9](day|week|month|year)(s)?]
Examples:
C]
# Download only the videos uploaded in the last 6 months
$ youtube-dl --dateafter now-6months

# Download only the videos uploaded on January 1, 1970 $ youtube-dl --date 19700101

$ # Download only the videos uploaded in the 200x decade $ youtube-dl --dateafter 20000101 --datebefore 20091231 ]

FAQ

    How do I update youtube-dl?

If you[aq]ve followed our manual installation instructions (http://rg3.github.io/youtube-dl/download.html), you can simply run C]youtube-dl -U] (or, on Linux, C]sudo youtube-dl -U]).

If you have used pip, a simple C]sudo pip install -U youtube-dl] is sufficient to update.

If you have installed youtube-dl using a package manager like I]apt-get] or I]yum], use the standard system update mechanism to update. Note that distribution packages are often outdated. As a rule of thumb, youtube-dl releases at least once a month, and often weekly or even daily. Simply go to http://yt-dl.org/ to find out the current version. Unfortunately, there is nothing we youtube-dl developers can do if your distribution serves a really outdated version. You can (and should) complain to your distribution in their bugtracker or support forum.

As a last resort, you can also uninstall the version installed by your package manager and follow our manual installation instructions. For that, remove the distribution[aq]s package, with a line like
C]
sudo apt-get remove -y youtube-dl
]

Afterwards, simply follow our manual installation instructions (http://rg3.github.io/youtube-dl/download.html):
C]
sudo wget https://yt-dl.org/latest/youtube-dl -O /usr/local/bin/youtube-dl
sudo chmod a+x /usr/local/bin/youtube-dl
hash -r
]

Again, from then on you[aq]ll be able to update with
C]sudo youtube-dl -U].

    I[aq]m getting an error

C]Unable to extract OpenGraph title] on YouTube playlists

YouTube changed their playlist format in March 2014 and later on, so you[aq]ll need at least youtube-dl 2014.07.25 to download all YouTube videos.

If you have installed youtube-dl with a package manager, pip, setup.py or a tarball, please use that to update. Note that Ubuntu packages do not seem to get updated anymore. Since we are not affiliated with Ubuntu, there is little we can do. Feel free to report bugs (https://bugs.launchpad.net/ubuntu/+source/youtube-dl/+filebug) to the Ubuntu packaging guys (mailto:ubuntu-motu@lists.ubuntu.com?subject=outdated%20version%20of%20youtube-dl) - all they have to do is update the package to a somewhat recent version. See above for a way to update.

Do I always have to pass C]-citw]?

By default, youtube-dl intends to have the best options (incidentally, if you have a convincing case that these should be different, please file an issue where you explain that (https://yt-dl.org/bug)). Therefore, it is unnecessary and sometimes harmful to copy long option strings from webpages. In particular, the only option out of C]-citw] that is regularly useful is C]-i].

Can you please put the C]-b] option back?

Most people asking this question are not aware that youtube-dl now defaults to downloading the highest available quality as reported by YouTube, which will be 1080p or 720p in some cases, so you no longer need the C]-b] option. For some specific videos, maybe YouTube does not report them to be available in a specific high quality format you[aq]re interested in. In that case, simply request it with the C]-f] option and youtube-dl will try to download it.

    I get HTTP error 402 when trying to download a video. What[aq]s

this?

Apparently YouTube requires you to pass a CAPTCHA test if you download too much. We[aq]re considering to provide a way to let you solve the CAPTCHA (https://github.com/rg3/youtube-dl/issues/154), but at the moment, your best course of action is pointing a webbrowser to the youtube URL, solving the CAPTCHA, and restart youtube-dl.

    Do I need any other programs?

youtube-dl works fine on its own on most sites. However, if you want to convert video/audio, you[aq]ll need avconv (https://libav.org/) or ffmpeg (https://www.ffmpeg.org/). On some sites - most notably YouTube - videos can be retrieved in a higher quality format without sound. youtube-dl will detect whether avconv/ffmpeg is present and automatically pick the best option.

Videos or video formats streamed via RTMP protocol can only be downloaded when rtmpdump (https://rtmpdump.mplayerhq.hu/) is installed. Downloading MMS and RTSP videos requires either mplayer (http://mplayerhq.hu/) or mpv (https://mpv.io/) to be installed.

    I have downloaded a video but how can I play it?

Once the video is fully downloaded, use any video player, such as vlc (http://www.videolan.org) or mplayer (http://www.mplayerhq.hu/).

I extracted a video URL with C]-g], but it does not play on

another machine / in my webbrowser.

It depends a lot on the service. In many cases, requests for the video (to download/play it) must come from the same IP address and with the same cookies. Use the C]--cookies] option to write the required cookies into a file, and advise your downloader to read cookies from that file. Some sites also require a common user agent to be used, use C]--dump-user-agent] to see the one in use by youtube-dl.

It may be beneficial to use IPv6; in some cases, the restrictions are only applied to IPv4. Some services (sometimes only for a subset of videos) do not restrict the video URL by IP address, cookie, or user-agent, but these are the exception rather than the rule.

Please bear in mind that some URL protocols are B]not] supported by browsers out of the box, including RTMP. If you are using C]-g], your own downloader must support these as well.

If you want to play the video on a machine that is not running youtube-dl, you can relay the video content from the machine that runs youtube-dl. You can use C]-o -] to let youtube-dl stream a video to stdout, or simply allow the player to download the files written by youtube-dl in turn.

    ERROR: no fmt_url_map or conn information found in video info

YouTube has switched to a new video info format in July 2011 which is not supported by old versions of youtube-dl. See above (#how-do-i-update-youtube-dl) for how to update youtube-dl.

    ERROR: unable to download video

YouTube requires an additional signature since September 2012 which is not supported by old versions of youtube-dl. See above (#how-do-i-update-youtube-dl) for how to update youtube-dl.

    Video URL contains an ampersand and I[aq]m getting some strange

output C][1] 2839] or C][aq]v[aq] is not recognized as an internal or external command]

That[aq]s actually the output from your shell. Since ampersand is one of the special shell characters it[aq]s interpreted by the shell preventing you from passing the whole URL to youtube-dl. To disable your shell from interpreting the ampersands (or any other special characters) you have to either put the whole URL in quotes or escape them with a backslash (which approach will work depends on your shell).

For example if your URL is https://www.youtube.com/watch?t=4&v=BaW_jenozKc you should end up with following command:

C]youtube-dl [aq]https://www.youtube.com/watch?t=4&v=BaW_jenozKc[aq]]

or

C]youtube-dl https://www.youtube.com/watch?t=4v=BaW_jenozKc]

For Windows you have to use the double quotes:

C]youtube-dl "https://www.youtube.com/watch?t=4&v=BaW_jenozKc"]

    ExtractorError: Could not find JS function u[aq]OF[aq]

In February 2015, the new YouTube player contained a character sequence in a string that was misinterpreted by old versions of youtube-dl. See above (#how-do-i-update-youtube-dl) for how to update youtube-dl.

    HTTP Error 429: Too Many Requests or 402: Payment Required

These two error codes indicate that the service is blocking your IP address because of overuse. Contact the service and ask them to unblock your IP address, or - if you have acquired a whitelisted IP address already - use the C]--proxy] or C]--source-address] options (#network-options) to select another IP address.

    SyntaxError: Non-ASCII character

The error
C]
File "youtube-dl", line 2
SyntaxError: Non-ASCII character [aq]\x93[aq] ...
]

means you[aq]re using an outdated version of Python. Please update to Python 2.6 or 2.7.

    What is this binary file? Where has the code gone?

Since June 2012 (#342 (https://github.com/rg3/youtube-dl/issues/342)) youtube-dl is packed as an executable zipfile, simply unzip it (might need renaming to C]youtube-dl.zip] first on some systems) or clone the git repository, as laid out above. If you modify the code, you can run it by executing the C]__main__.py] file. To recompile the executable, run C]make youtube-dl].

The exe throws a I]Runtime error from Visual C++]

To run the exe you need to install first the Microsoft Visual C++ 2008 Redistributable Package (http://www.microsoft.com/en-us/download/details.aspx?id=29).

    On Windows, how should I set up ffmpeg and youtube-dl? Where should

I put the exe files?

If you put youtube-dl and ffmpeg in the same directory that you[aq]re running the command from, it will work, but that[aq]s rather cumbersome.

To make a different directory work - either for ffmpeg, or for youtube-dl, or for both - simply create the directory (say, C]C:\bin], or C]C:\Userslt;User name>\bin]), put all the executables directly in there, and then set your PATH environment variable (https://www.java.com/en/download/help/path.xml) to include that directory.

From then on, after restarting your shell, you will be able to access both youtube-dl and ffmpeg (and youtube-dl will be able to find ffmpeg) by simply typing C]youtube-dl] or C]ffmpeg], no matter what directory you[aq]re in.

    How do I put downloads into a specific folder?

Use the C]-o] to specify an output template (#output-template), for example C]-o "/home/user/videos/%(title)s-%(id)s.%(ext)s"]. If you want this for all of your downloads, put the option into your configuration file (#configuration).

How do I download a video starting with a C]-]?

Either prepend C]http://www.youtube.com/watch?v=] or separate the ID from the options with C]--]:
C]
youtube-dl -- -wNyEUrxzFU
youtube-dl "http://www.youtube.com/watch?v=-wNyEUrxzFU"
]

    How do I pass cookies to youtube-dl?

Use the C]--cookies] option, for example C]--cookies /path/to/cookies/file.txt]. Note that the cookies file must be in Mozilla/Netscape format and the first line of the cookies file must be either C]# HTTP Cookie File] or C]# Netscape HTTP Cookie File]. Make sure you have correct newline format (https://en.wikipedia.org/wiki/Newline) in the cookies file and convert newlines if necessary to correspond with your OS, namely C]CRLF] (C]\r\n]) for Windows, C]LF] (C]\n]) for Linux and C]CR] (C]\r]) for Mac OS. C]HTTP Error 400: Bad Request] when using C]--cookies] is a good sign of invalid newline format.

Passing cookies to youtube-dl is a good way to workaround login when a particular extractor does not implement it explicitly. Another use case is working around CAPTCHA (https://en.wikipedia.org/wiki/CAPTCHA) some websites require you to solve in particular cases in order to get access (e.g. YouTube, CloudFlare).

    Can you add support for this anime video site, or site which shows

current movies for free?

As a matter of policy (as well as legality), youtube-dl does not include support for services that specialize in infringing copyright. As a rule of thumb, if you cannot easily find a video that the service is quite obviously allowed to distribute (i.e. that has been uploaded by the creator, the creator[aq]s distributor, or is published under a free license), the service is probably unfit for inclusion to youtube-dl.

A note on the service that they don[aq]t host the infringing content, but just link to those who do, is evidence that the service should B]not] be included into youtube-dl. The same goes for any DMCA note when the whole front page of the service is filled with videos they are not allowed to distribute. A "fair use" note is equally unconvincing if the service shows copyright-protected videos in full without authorization.

Support requests for services that B]do] purchase the rights to distribute their content are perfectly fine though. If in doubt, you can simply include a source that mentions the legitimate purchase of content.

    How can I speed up work on my issue?

(Also known as: Help, my important issue not being solved!) The youtube-dl core developer team is quite small. While we do our best to solve as many issues as possible, sometimes that can take quite a while. To speed up your issue, here[aq]s what you can do:

First of all, please do report the issue at our issue tracker (https://yt-dl.org/bugs). That allows us to coordinate all efforts by users and developers, and serves as a unified point. Unfortunately, the youtube-dl project has grown too large to use personal email as an effective communication channel.

Please read the bug reporting instructions (#bugs) below. A lot of bugs lack all the necessary information. If you can, offer proxy, VPN, or shell access to the youtube-dl developers. If you are able to, test the issue from multiple computers in multiple countries to exclude local censorship or misconfiguration issues.

If nobody is interested in solving your issue, you are welcome to take matters into your own hands and submit a pull request (or coerce/pay somebody else to do so).

Feel free to bump the issue from time to time by writing a small comment ("Issue is still present in youtube-dl version ...from France, but fixed from Belgium"), but please not more than once a month. Please do not declare your issue as C]important] or C]urgent].

    How can I detect whether a given URL is supported by youtube-dl?

For one, have a look at the list of supported sites (docs/supportedsites.md). Note that it can sometimes happen that the site changes its URL scheme (say, from http://example.com/video/1234567 to http://example.com/v/1234567 ) and youtube-dl reports an URL of a service in that list as unsupported. In that case, simply report a bug.

It is I]not] possible to detect whether a URL is supported or not. That[aq]s because youtube-dl contains a generic extractor which matches B]all] URLs. You may be tempted to disable, exclude, or remove the generic extractor, but the generic extractor not only allows users to extract videos from lots of websites that embed a video from another service, but may also be used to extract video from a service that it[aq]s hosting itself. Therefore, we neither recommend nor support disabling, excluding, or removing the generic extractor.

If you want to find out whether a given URL is supported, simply call youtube-dl with it. If you get no videos back, chances are the URL is either not referring to a video or unsupported. You can find out which by examining the output (if you run youtube-dl on the console) or catching an C]UnsupportedError] exception if you run it from a Python program.

DEVELOPER INSTRUCTIONS

Most users do not need to build youtube-dl and can download the builds (http://rg3.github.io/youtube-dl/download.html) or get them from their distribution.

To run youtube-dl as a developer, you don[aq]t need to build anything either. Simply execute
C]
python -m youtube_dl
]

To run the test, simply invoke your favorite test runner, or execute a test file directly; any of the following work:
C]
python -m unittest discover
python test/test_download.py
nosetests
]

If you want to create a build of youtube-dl yourself, you[aq]ll need
[bu] python
[bu] make
[bu] pandoc
[bu] zip
[bu] nosetests

    Adding support for a new site

If you want to add support for a new site, first of all B]make sure] this site is B]not dedicated to copyright infringement (#can-you-add-support-for-this-anime-video-site-or-site-which-shows-current-movies-for-free)]. youtube-dl does B]not support] such sites thus pull requests adding support for them B]will be rejected].

After you have ensured this site is distributing it[aq]s content legally, you can follow this quick list (assuming your service is called C]yourextractor]):
1. Fork this repository (https://github.com/rg3/youtube-dl/fork)
2. Check out the source code with C]git clone git\@github.com:YOUR_GITHUB_USERNAME/youtube-dl.git]
3. Start a new git branch with C]cd youtube-dl; git checkout -b yourextractor]
4. Start with this simple template and save it to C]youtube_dl/extractor/yourextractor.py]:
C]
# coding: utf-8
from __future__ import unicode_literals

from .common import InfoExtractor

class YourExtractorIE(InfoExtractor): _VALID_URL = r[aq]https?://(?:www\.)?yourextractor\.com/watch/(?P<id>[0-9]+)[aq] _TEST = { [aq]url[aq]: [aq]http://yourextractor.com/watch/42[aq], [aq]md5[aq]: [aq]TODO: md5 sum of the first 10241 bytes of the video file (use --test)[aq], [aq]info_dict[aq]: { [aq]id[aq]: [aq]42[aq], [aq]ext[aq]: [aq]mp4[aq], [aq]title[aq]: [aq]Video title goes here[aq], [aq]thumbnail[aq]: [aq]re:^https?://.*\.jpg$[aq], # TODO more properties, either as: # * A value # * MD5 checksum; start the string with md5: # * A regular expression; start the string with re: # * Any Python type (for example int or float) } }

def _real_extract(self, url): video_id = self._match_id(url) webpage = self._download_webpage(url, video_id)

# TODO more code goes here, for example ... title = self._html_search_regex(r[aq]<h1>(.+?)</h1>[aq], webpage, [aq]title[aq])

return { [aq]id[aq]: video_id, [aq]title[aq]: title, [aq]description[aq]: self._og_search_description(webpage), [aq]uploader[aq]: self._search_regex(r[aq]<div[^>]+id="uploader"[^>]*>([^<]+)<[aq], webpage, [aq]uploader[aq], fatal=False), # TODO more properties (see youtube_dl/extractor/common.py) } ]

5. Add an import in C]youtube_dl/extractor/__init__.py] (https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/__init__.py).
6. Run C]python test/test_download.py TestDownload.test_YourExtractor]. This I]should fail] at first, but you can continually re-run it until you[aq]re done. If you decide to add more than one test, then rename C]_TEST] to C]_TESTS] and make it into a list of dictionaries. The tests will then be named C]TestDownload.test_YourExtractor], C]TestDownload.test_YourExtractor_1], C]TestDownload.test_YourExtractor_2], etc.
7. Have a look at C]youtube_dl/extractor/common.py] (https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/common.py) for possible helper methods and a detailed description of what your extractor should and may return (https://github.com/rg3/youtube-dl/blob/58525c94d547be1c8167d16c298bdd75506db328/youtube_dl/extractor/common.py#L68-L226). Add tests and code for as many as you want.
8. Keep in mind that the only mandatory fields in info dict for successful extraction process are C]id], C]title] and either C]url] or C]formats], i.e. these are the critical data the extraction does not make any sense without. This means that any field (https://github.com/rg3/youtube-dl/blob/58525c94d547be1c8167d16c298bdd75506db328/youtube_dl/extractor/common.py#L138-L226) apart from aforementioned mandatory ones should be treated B]as optional] and extraction should be B]tolerate] to situations when sources for these fields can potentially be unavailable (even if they always available at the moment) and B]future-proof] in order not to break the extraction of general purpose mandatory fields. For example, if you have some intermediate dict C]meta] that is a source of metadata and it has a key C]summary] that you want to extract and put into resulting info dict as C]description], you should be ready that this key may be missing from the C]meta] dict, i.e. you should extract it as C]meta.get([aq]summary[aq])] and not C]meta[[aq]summary[aq]]]. Similarly, you should pass C]fatal=False] when extracting data from a webpage with C]_search_regex/_html_search_regex].
9. Check the code with flake8 (https://pypi.python.org/pypi/flake8).
10. When the tests pass, add (http://git-scm.com/docs/git-add) the new files and commit (http://git-scm.com/docs/git-commit) them and push (http://git-scm.com/docs/git-push) the result, like this:
C]
$ git add youtube_dl/extractor/__init__.py
$ git add youtube_dl/extractor/yourextractor.py
$ git commit -m [aq][yourextractor] Add new extractor[aq]
$ git push origin yourextractor
]

11. Finally, create a pull request (https://help.github.com/articles/creating-a-pull-request). We[aq]ll then review and merge it.
In any case, thank you very much for your contributions!

EMBEDDING YOUTUBE-DL

youtube-dl makes the best effort to be a good command-line program, and thus should be callable from any programming language. If you encounter any problems parsing its output, feel free to create a report (https://github.com/rg3/youtube-dl/issues/new).

From a Python program, you can embed youtube-dl in a more powerful fashion, like this:
C]
from __future__ import unicode_literals
import youtube_dl

ydl_opts = {} with youtube_dl.YoutubeDL(ydl_opts) as ydl: ydl.download([[aq]http://www.youtube.com/watch?v=BaW_jenozKc[aq]]) ]

Most likely, you[aq]ll want to use various options. For a list of what can be done, have a look at C]youtube_dl/YoutubeDL.py] (https://github.com/rg3/youtube-dl/blob/master/youtube_dl/YoutubeDL.py#L121-L269). For a start, if you want to intercept youtube-dl[aq]s output, set a C]logger] object.
Here[aq]s a more complete example of a program that outputs only errors (and a short message after the download is finished), and downloads/converts the video to an mp3 file:
C]
from __future__ import unicode_literals
import youtube_dl

class MyLogger(object): def debug(self, msg): pass

def warning(self, msg): pass

def error(self, msg): print(msg)

def my_hook(d): if d[[aq]status[aq]] == [aq]finished[aq]: print([aq]Done downloading, now converting ...[aq])

ydl_opts = { [aq]format[aq]: [aq]bestaudio/best[aq], [aq]postprocessors[aq]: [{ [aq]key[aq]: [aq]FFmpegExtractAudio[aq], [aq]preferredcodec[aq]: [aq]mp3[aq], [aq]preferredquality[aq]: [aq]192[aq], }], [aq]logger[aq]: MyLogger(), [aq]progress_hooks[aq]: [my_hook], } with youtube_dl.YoutubeDL(ydl_opts) as ydl: ydl.download([[aq]http://www.youtube.com/watch?v=BaW_jenozKc[aq]]) ]

BUGS

Bugs and suggestions should be reported at: <https://github.com/rg3/youtube-dl/issues>. Unless you were prompted so or there is another pertinent reason (e.g. GitHub fails to accept the bug report), please do not send bug reports via personal email. For discussions, join us in the IRC channel #youtube-dl (irc://chat.freenode.net/#youtube-dl) on freenode (webchat (http://webchat.freenode.net/?randomnick=1&channels=youtube-dl)).

B]Please include the full output of youtube-dl when run with C]-v]], i.e. B]add] C]-v] flag to B]your command line], copy the B]whole] output and post it in the issue body wrapped in ‘‘‘ for better formatting. It should look similar to this:
C]
$ youtube-dl -v <your command line>
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u[aq]-v[aq], u[aq]http://www.youtube.com/watch?v=BaW_jenozKcj[aq]]
[debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
[debug] youtube-dl version 2015.12.06
[debug] Git HEAD: 135392e
[debug] Python version 2.6.6 - Windows-2003Server-5.2.3790-SP2
[debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
[debug] Proxy map: {}
...
]

B]Do not post screenshots of verbose log only plain text is acceptable.]

The output (including the first lines) contains important debugging information. Issues without the full output are often not reproducible and therefore do not get solved in short order, if ever.

Please re-read your issue once again to avoid a couple of common mistakes (you can and should use this as a checklist):

    Is the description of the issue itself sufficient?

We often get issue reports that we cannot really decipher. While in most cases we eventually get the required information after asking back multiple times, this poses an unnecessary drain on our resources. Many contributors, including myself, are also not native speakers, so we may misread some parts.

So please elaborate on what feature you are requesting, or what bug you want to be fixed. Make sure that it[aq]s obvious
[bu] What the problem is
[bu] How it could be fixed
[bu] How your proposed solution would look like
If your report is shorter than two lines, it is almost certainly missing some of these, which makes it hard for us to respond to it. We[aq]re often too polite to close the issue outright, but the missing info makes misinterpretation likely. As a committer myself, I often get frustrated by these issues, since the only possible way for me to move forward on them is to ask for clarification over and over.

For bug reports, this means that your report should contain the I]complete] output of youtube-dl when called with the C]-v] flag. The error message you get for (most) bugs even says so, but you would not believe how many of our bug reports do not contain this information.

If your server has multiple IPs or you suspect censorship, adding C]--call-home] may be a good idea to get more diagnostics. If the error is C]ERROR: Unable to extract ...] and you cannot reproduce it from multiple countries, add C]--dump-pages] (warning: this will yield a rather large output, redirect it to the file C]log.txt] by adding C]>log.txt 2>&1] to your command-line) or upload the C].dump] files you get when you add C]--write-pages] somewhere (https://gist.github.com/).

B]Site support requests must contain an example URL]. An example URL is a URL you might want to download, like C]http://www.youtube.com/watch?v=BaW_jenozKc]. There should be an obvious video present. Except under very special circumstances, the main page of a video service (e.g. C]http://www.youtube.com/]) is I]not] an example URL.

    Are you using the latest version?

Before reporting any issue, type C]youtube-dl -U]. This should report that you[aq]re up-to-date. About 20% of the reports we receive are already fixed, but people are using outdated versions. This goes for feature requests as well.

    Is the issue already documented?

Make sure that someone has not already opened the issue you[aq]re trying to open. Search at the top of the window or browse the GitHub Issues (https://github.com/rg3/youtube-dl/search?type=Issues) of this repository. If there is an issue, feel free to write something along the lines of "This affects me as well, with version 2015.01.01. Here is some more information on the issue: ...". While some issues may be old, a new post into them often spurs rapid activity.

    Why are existing options not enough?

Before requesting a new feature, please have a quick peek at the list of supported options (https://github.com/rg3/youtube-dl/blob/master/README.md#synopsis). Many feature requests are for features that actually exist already! Please, absolutely do show off your work in the issue report and detail how the existing similar options do I]not] solve your problem.

    Is there enough context in your bug report?

People want to solve problems, and often think they do us a favor by breaking down their larger problems (e.g. wanting to skip already downloaded files) to a specific request (e.g. requesting us to look whether the file exists before downloading the info page). However, what often happens is that they break down the problem into two steps: One simple, and one impossible (or extremely complicated one).

We are then presented with a very complicated request when the original problem could be solved far easier, e.g. by recording the downloaded video IDs in a separate file. To avoid this, you must include the greater context where it is non-obvious. In particular, every feature request that does not consist of adding support for a new site should contain a use case scenario that explains in what situation the missing feature would be useful.

    Does the issue involve one problem, and one problem only?

Some of our users seem to think there is a limit of issues they can or should open. There is no limit of issues they can or should open. While it may seem appealing to be able to dump all your issues into one ticket, that means that someone who solves one of your issues cannot mark the issue as closed. Typically, reporting a bunch of issues leads to the ticket lingering since nobody wants to attack that behemoth, until someone mercifully splits the issue into multiple ones.

In particular, every site support request issue should only pertain to services at one site (generally under a common domain, but always using the same backend technology). Do not request support for vimeo user videos, Whitehouse podcasts, and Google Plus pages in the same issue. Also, make sure that you don[aq]t post bug reports alongside feature requests. As a rule of thumb, a feature request does not include outputs of youtube-dl that are not immediately related to the feature at hand. Do not post reports of a network error alongside the request for a new video service.

    Is anyone going to need the feature?

Only post features that you (or an incapacitated friend you can personally talk to) require. Do not post features because they seem like a good idea. If they are really useful, they will be requested by someone who requires them.

    Is your question about youtube-dl?

It may sound strange, but some bug reports we receive are completely unrelated to youtube-dl and relate to a different or even the reporter[aq]s own application. Please make sure that you are actually using youtube-dl. If you are using a UI for youtube-dl, report the bug to the maintainer of the actual application providing the UI. On the other hand, if your UI for youtube-dl fails in some way you believe is related to youtube-dl, by all means, go ahead and report the bug.

COPYRIGHT

youtube-dl is released into the public domain by the copyright holders.

This README file was originally written by Daniel Bolton (https://github.com/dbbolton) and is likewise released into the public domain.

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