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Can not use aria2c when download from Udemy #9309

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opened 2026-02-21 05:01:44 -05:00 by deekerman · 1 comment

deekerman commented

2026-02-21 05:01:44 -05:00

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Originally created by @pseudor on GitHub (Dec 5, 2016).

Please follow the guide below

You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
Put an x into all the boxes [ ] relevant to your issue (like that [x])
Use Preview tab to see how your issue will actually look like

Make sure you are using the latest version: run `youtube-dl --version` and ensure your version is 2016.12.01. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

I've verified and I assure that I'm running youtube-dl 2016.12.01

Before submitting an issue make sure you have:

At least skimmed through README and most notably FAQ and BUGS sections
Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

Bug report (encountered problems with youtube-dl)
Site support request (request for adding support for a new site)
Feature request (request for a new functionality)
Question
Other

The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

$ youtube-dl -u username -p password --playlist-start 97 --playlist-end 193 -o "%(autonumber)s-%(id)s-%(title)s.%(ext)s" --external-downloader aria2c https://www.udemy.com/unrealcourse/learn/v4/content -v
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-u', 'PRIVATE', '-p', 'PRIVATE', '--playlist-start', '97', '--playlist-end', '193', '-o', '%(autonumber)s-%(id)s-%(title)s.%(ext)s', '--external-downloader', 'aria2c.exe', 'https://www.udemy.com/unrealcourse/learn/v4/content', '-v']
[debug] Encodings: locale cp936, fs mbcs, out cp936, pref cp936
[debug] youtube-dl version 2016.12.01
[debug] Python version 3.4.4 - Windows-10-10.0.14393
[debug] exe versions: none
[debug] Proxy map: {}
[udemy:course] Downloading login popup
[udemy:course] Logging in as username
[udemy:course] unrealcourse: Downloading webpage
[udemy:course] 657932: Downloading course curriculum
[download] Downloading playlist: The Unreal Engine Developer Course - Learn C++ & Make Games
[udemy:course] playlist The Unreal Engine Developer Course - Learn C++ & Make Games: Collected 260 video ids (downloading 97 of them)
[download] Downloading video 1 of 97
[udemy] Downloading login popup
[udemy] 4843694: Downloading webpage
[udemy] 4843694: Downloading lecture JSON
[udemy] 5646414: Downloading m3u8 information
[udemy] 5646414: Downloading m3u8 information
[debug] Invoking downloader on 'https://udemy-adaptive-streaming-prod.udemy.com/657932/5646414/2016-03-29_15-12-32-00773dc37737c52cf5dee18508719bcf/hls/hls_1080_4300/39f497c5cdce0b05291b66afcccb960a.m3u8?mign=EEsRFRMGbBcROQZJCUwANQk2ER0aAVUGGz1BRxEaByxJU01KRlgDT0oqDB5BHRYfAg1eRkJdBFpbe09JUh0AJR82FRhWUgZVXH9XWgdCUTUYDA4jHQwRWVp%2BU14EXkdyR0sbGRo3RwoFLEFRAlpLcFJbSklCW04%3D'
[hlsnative] Downloading m3u8 manifest
[hlsnative] Total fragments: 107
[download] Destination: 00001-5646414-Setting Up a GitHub “Repo”.mp4
[download]   2.0% of ~299.83MiB at 36.51KiB/s ETA 14:37
...
<end of log>

Description of your issue, suggested solution and other information

I have add the path of youtube-dl and aria2c to the System Environment Variables. But when I download some video from Udemy, the aria2c does not work.

Originally created by @pseudor on GitHub (Dec 5, 2016). ## Please follow the guide below - You will be asked some questions and requested to provide some information, please read them **carefully** and answer honestly - Put an `x` into all the boxes [ ] relevant to your *issue* (like that [x]) - Use *Preview* tab to see how your issue will actually look like --- ### Make sure you are using the *latest* version: run `youtube-dl --version` and ensure your version is *2016.12.01*. If it's not read [this FAQ entry](https://github.com/rg3/youtube-dl/blob/master/README.md#how-do-i-update-youtube-dl) and update. Issues with outdated version will be rejected. - [x] I've **verified** and **I assure** that I'm running youtube-dl **2016.12.01** ### Before submitting an *issue* make sure you have: - [x] At least skimmed through [README](https://github.com/rg3/youtube-dl/blob/master/README.md) and **most notably** [FAQ](https://github.com/rg3/youtube-dl#faq) and [BUGS](https://github.com/rg3/youtube-dl#bugs) sections - [x] [Searched](https://github.com/rg3/youtube-dl/search?type=Issues) the bugtracker for similar issues including closed ones ### What is the purpose of your *issue*? - [x] Bug report (encountered problems with youtube-dl) - [ ] Site support request (request for adding support for a new site) - [ ] Feature request (request for a new functionality) - [ ] Question - [ ] Other --- ### The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your *issue* --- ### If the purpose of this *issue* is a *bug report*, *site support request* or you are not completely sure provide the full verbose output as follows: Add `-v` flag to **your command line** you run youtube-dl with, copy the **whole** output and insert it here. It should look similar to one below (replace it with **your** log inserted between triple ```): ``` $ youtube-dl -u username -p password --playlist-start 97 --playlist-end 193 -o "%(autonumber)s-%(id)s-%(title)s.%(ext)s" --external-downloader aria2c https://www.udemy.com/unrealcourse/learn/v4/content -v [debug] System config: [] [debug] User config: [] [debug] Command-line args: ['-u', 'PRIVATE', '-p', 'PRIVATE', '--playlist-start', '97', '--playlist-end', '193', '-o', '%(autonumber)s-%(id)s-%(title)s.%(ext)s', '--external-downloader', 'aria2c.exe', 'https://www.udemy.com/unrealcourse/learn/v4/content', '-v'] [debug] Encodings: locale cp936, fs mbcs, out cp936, pref cp936 [debug] youtube-dl version 2016.12.01 [debug] Python version 3.4.4 - Windows-10-10.0.14393 [debug] exe versions: none [debug] Proxy map: {} [udemy:course] Downloading login popup [udemy:course] Logging in as username [udemy:course] unrealcourse: Downloading webpage [udemy:course] 657932: Downloading course curriculum [download] Downloading playlist: The Unreal Engine Developer Course - Learn C++ & Make Games [udemy:course] playlist The Unreal Engine Developer Course - Learn C++ & Make Games: Collected 260 video ids (downloading 97 of them) [download] Downloading video 1 of 97 [udemy] Downloading login popup [udemy] 4843694: Downloading webpage [udemy] 4843694: Downloading lecture JSON [udemy] 5646414: Downloading m3u8 information [udemy] 5646414: Downloading m3u8 information [debug] Invoking downloader on 'https://udemy-adaptive-streaming-prod.udemy.com/657932/5646414/2016-03-29_15-12-32-00773dc37737c52cf5dee18508719bcf/hls/hls_1080_4300/39f497c5cdce0b05291b66afcccb960a.m3u8?mign=EEsRFRMGbBcROQZJCUwANQk2ER0aAVUGGz1BRxEaByxJU01KRlgDT0oqDB5BHRYfAg1eRkJdBFpbe09JUh0AJR82FRhWUgZVXH9XWgdCUTUYDA4jHQwRWVp%2BU14EXkdyR0sbGRo3RwoFLEFRAlpLcFJbSklCW04%3D' [hlsnative] Downloading m3u8 manifest [hlsnative] Total fragments: 107 [download] Destination: 00001-5646414-Setting Up a GitHub “Repo”.mp4 [download] 2.0% of ~299.83MiB at 36.51KiB/s ETA 14:37 ... <end of log> ``` --- ### Description of your *issue*, suggested solution and other information I have add the path of youtube-dl and aria2c to the System Environment Variables. But when I download some video from Udemy, the aria2c does not work.

deekerman closed this issue

2026-02-21 05:01:46 -05:00

deekerman commented

2026-02-21 05:01:48 -05:00

Author

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@yan12125 commented on GitHub (Dec 5, 2016):

Duplicate of #6069. In youtube-dl, m3u8 and aria2c are not compatible yet.

@yan12125 commented on GitHub (Dec 5, 2016): Duplicate of #6069. In youtube-dl, m3u8 and aria2c are not compatible yet.

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starred/youtube-dl-ytdl-org#9309

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