YouTube Clips

Checklist

• I’m reporting a site feature request
• I’ve verified that I’m running yt-dlp version 2022.01.21. (update instructions)
• I’ve checked that all provided URLs are alive and playable in a browser
• I’ve searched the bugtracker for similar issues including closed ones. DO NOT post duplicates
• I’ve read the guidelines for opening an issue
• I’ve read about sharing account credentials and I’m willing to share it if required

Region

Worldwide, depending on regional video blocking

Example URLs

https://youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof https://youtube.com/clip/UgytZKpehg-hEMBSn3F4AaABCQ

Description

(Note: This is not for post-processor segment trimming, like with FFMPEG. This is for the feature on YouTube that allows you to get a 5 - 60 second clip of a video.)

Right now, YouTube clips don’t work, and instead download the entire video. While this feature is currently lacking (it’s only available on certain channels and selecting start - end is pretty bad), it’s a lot more user-friendly then with FFMPEG, and it might be able to download a part of the video, instead of downloading the whole thing and trimming it. It also means pre-existing clips can be downloaded more easily.

Verbose log

ggtylerr@pop-os:~/Downloads$ yt-dlp -vU https://youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof
[debug] Command-line config: ['-vU', 'https://youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, err utf-8, pref UTF-8
[debug] yt-dlp version 2022.01.21 [f20d607b0]
[debug] Python version 3.8.10 (CPython 64bit) - Linux-5.15.15-76051515-generic-x86_64-with-glibc2.29
[debug] exe versions: ffmpeg 4.2.4, ffprobe 4.2.4
[debug] Optional libraries: Cryptodome, secretstorage, mutagen, sqlite, websockets
[debug] Proxy map: {}
Latest version: 2022.01.21, Current version: 2022.01.21
yt-dlp is up to date (2022.01.21)
[debug] [youtube:clip] Extracting URL: https://youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof
WARNING: [youtube:clip] YouTube clips are not currently supported. The entire video will be downloaded instead
[debug] [generic] Extracting URL: https://youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof
[generic] Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof: Requesting header
[redirect] Following redirect to https://www.youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof
[debug] [youtube:clip] Extracting URL: https://www.youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof
WARNING: [youtube:clip] YouTube clips are not currently supported. The entire video will be downloaded instead
[debug] [generic] Extracting URL: https://www.youtube.com/clip/Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof
[generic] Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof: Requesting header
WARNING: [generic] Falling back on generic information extractor.
[generic] Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof: Downloading webpage
[generic] Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof: Extracting information
[debug] Looking for video embeds
[debug] Identified a twitter:player iframe
[debug] [youtube] Extracting URL: https://www.youtube.com/embed/Jljy8KtoXOU?clip=Ugkx9hS31W7ocpw8tLKo_m-Ht7j36o5StJof&clipt=EIOqHBiv4Bw
[youtube] Jljy8KtoXOU: Downloading webpage
[youtube] Jljy8KtoXOU: Downloading android player API JSON
[debug] Sort order given by extractor: quality, res, fps, hdr:12, source, codec:vp9.2, lang, proto
[debug] Formats sorted by: hasvid, ie_pref, quality, res, fps, hdr:12(7), source, vcodec:vp9.2(10), acodec, lang, proto, filesize, fs_approx, tbr, vbr, abr, asr, vext, aext, hasaud, id
[debug] Default format spec: bestvideo*+bestaudio/best
[info] Jljy8KtoXOU: Downloading 1 format(s): 248+251
[debug] Invoking downloader on "https://rr5---sn-a5mekned.googlevideo.com/videoplayback?expire=1643548302&ei=LTr2YajaO87zkgbYq7igAQ&ip=2600%3A8801%3A1333%3Aed00%3A2548%3A916e%3Ab5a2%3Adec6&id=o-AH5tMXeS8SK2NBVSfYgY5wO_SwOAe5nW4lSe5elQATt6&itag=248&source=youtube&requiressl=yes&mh=C2&mm=31%2C26&mn=sn-a5mekned%2Csn-n4v7sn7y&ms=au%2Conr&mv=m&mvi=5&pl=40&initcwndbps=2132500&vprv=1&mime=video%2Fwebm&gir=yes&clen=348986307&dur=1572.300&lmt=1586412459679522&mt=1643526288&fvip=5&keepalive=yes&fexp=24001373%2C24007246&c=ANDROID&txp=5535432&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRQIgQK_RuPwxfFnrISESxlVdiXIJBlpBSLVdGwDOcVlCjaICIQDVp9Yixk61yJKAmzySAKjyiZ-H83wJ7oekyO3LgQMDWg%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgXfTiGWCuosSN_NaOrzc8wdJQ4WXBMXVHL0CEHqaLOUkCIFgVtI_e4b5mppcHcdt8flVcQrZ3lwB2npnxetd7Vxjh"
[download] Destination: Game Collecting - Scott The Woz [Jljy8KtoXOU].f248.webm
[download] 100% of 332.82MiB in 00:20
[debug] Invoking downloader on "https://rr5---sn-a5mekned.googlevideo.com/videoplayback?expire=1643548302&ei=LTr2YajaO87zkgbYq7igAQ&ip=2600%3A8801%3A1333%3Aed00%3A2548%3A916e%3Ab5a2%3Adec6&id=o-AH5tMXeS8SK2NBVSfYgY5wO_SwOAe5nW4lSe5elQATt6&itag=251&source=youtube&requiressl=yes&mh=C2&mm=31%2C26&mn=sn-a5mekned%2Csn-n4v7sn7y&ms=au%2Conr&mv=m&mvi=5&pl=40&initcwndbps=2132500&vprv=1&mime=audio%2Fwebm&gir=yes&clen=25550094&dur=1572.321&lmt=1586402126333409&mt=1643526288&fvip=5&keepalive=yes&fexp=24001373%2C24007246&c=ANDROID&txp=5511222&sparams=expire%2Cei%2Cip%2Cid%2Citag%2Csource%2Crequiressl%2Cvprv%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=AOq0QJ8wRQIhAMRPfwtCC7aP_SeQgnkjz7Kva89TQHQzGRNttNcUWMjDAiAwY6wBLLV3ETMuip1q7Tk47jrGFIdYsY7OL8uCSgbcPw%3D%3D&lsparams=mh%2Cmm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AG3C_xAwRAIgXfTiGWCuosSN_NaOrzc8wdJQ4WXBMXVHL0CEHqaLOUkCIFgVtI_e4b5mppcHcdt8flVcQrZ3lwB2npnxetd7Vxjh"
[download] Destination: Game Collecting - Scott The Woz [Jljy8KtoXOU].f251.webm
[download] 100% of 24.37MiB in 00:01
[Merger] Merging formats into "Game Collecting - Scott The Woz [Jljy8KtoXOU].webm"
[debug] ffmpeg command line: ffmpeg -y -loglevel repeat+info -i 'file:Game Collecting - Scott The Woz [Jljy8KtoXOU].f248.webm' -i 'file:Game Collecting - Scott The Woz [Jljy8KtoXOU].f251.webm' -c copy -map 0:v:0 -map 1:a:0 -movflags +faststart 'file:Game Collecting - Scott The Woz [Jljy8KtoXOU].temp.webm'
Deleting original file Game Collecting - Scott The Woz [Jljy8KtoXOU].f251.webm (pass -k to keep)
Deleting original file Game Collecting - Scott The Woz [Jljy8KtoXOU].f248.webm (pass -k to keep)
ggtylerr@pop-os:~/Downloads$

[puyoxyz]

Just tried this and it’s not downloading the right part of the video? It’s downloading like, from 5 seconds (clip duration?) before start of clip to the start of the clip, not from the start of the clip to the end of the clip

Here’s the clip I tried to download: https://youtube.com/clip/UgkxdIc_hmqiDzYn3zoGbskyrVEnI4t_1Sod

And here’s what it gave me: https://image-host.club/ih0tco.webm ( github doesn’t support webm uploads 😦 )

(yt-dlp compiled just now, through the AUR package yt-dlp-git)

[pukkandan]

#52 is now closed. Once an extractor for clips is written, this should be all the core changes needed to make the download work:

diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index 8fff9ddc0..ddba8d5df 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -2443,7 +2443,9 @@ def sanitize_numeric_fields(info):

         sanitize_string_field(info_dict, 'id')
         sanitize_numeric_fields(info_dict)
-        if (info_dict.get('duration') or 0) <= 0 and info_dict.pop('duration', None):
+        if info_dict.get('section_end') and info_dict.get('section_start') is not None:
+            info_dict['duration'] = info_dict['section_end'] - info_dict['section_start']
+        elif (info_dict.get('duration') or 0) <= 0 and info_dict.pop('duration', None):
             self.report_warning('"duration" field is negative, there is an error in extractor')

         if 'playlist' not in info_dict:
@@ -2678,10 +2680,11 @@ def to_screen(*msg):
             for fmt, chapter in itertools.product(formats_to_download, requested_ranges or [{}]):
                 new_info = self._copy_infodict(info_dict)
                 new_info.update(fmt)
-                if chapter:
+                offset, duration = info_dict.get('section_start') or 0, info_dict.get('duration') or float('inf')
+                if chapter or offset:
                     new_info.update({
-                        'section_start': chapter.get('start_time'),
-                        'section_end': chapter.get('end_time', 0),
+                        'section_start': offset + chapter.get('start_time', 0),
+                        'section_end': offset + min(chapter.get('end_time', 0), duration),
                         'section_title': chapter.get('title'),
                         'section_number': chapter.get('index'),
                     })
diff --git a/yt_dlp/extractor/common.py b/yt_dlp/extractor/common.py
index 316b58ce3..bd5215ad7 100644
--- a/yt_dlp/extractor/common.py
+++ b/yt_dlp/extractor/common.py
@@ -385,6 +385,11 @@ class InfoExtractor:
     release_year:   Year (YYYY) when the album was released.
     composer:       Composer of the piece

+    The following fields should only be set for clips that should be cut from the original video:
+
+    section_start:  Start time of the section in seconds
+    section_end:    End time of the section in seconds
+
     Unless mentioned otherwise, the fields should be Unicode strings.

     Unless mentioned otherwise, None is equivalent to absence of information.