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ffmpeg can't handle gzipped key file in AES-encrypted HLS streams #8170

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opened 2026-02-21 04:16:26 -05:00 by deekerman · 2 comments

deekerman commented

2026-02-21 04:16:26 -05:00

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Originally created by @marknorgren on GitHub (Jul 6, 2016).

I've verified and I assure that I'm running youtube-dl 2016.07.07

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

$ youtube-dl https://talk.objc.io/episodes/S01E03-loading-view-controllers --verbose
[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'https://talk.objc.io/episodes/S01E03-loading-view-controllers', u'--verbose']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2016.07.07
[debug] Python version 2.7.10 - Darwin-15.5.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 3.0, ffprobe 3.0
[debug] Proxy map: {}
[generic] S01E03-loading-view-controllers: Requesting header
WARNING: Falling back on generic information extractor.
[generic] S01E03-loading-view-controllers: Downloading webpage
[generic] S01E03-loading-view-controllers: Extracting information
[generic] hls: Downloading m3u8 information
[debug] Invoking downloader on u'https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p.m3u8'
[download] Destination: Loading View Controllers-hls.mp4
[debug] ffmpeg command line: ffmpeg -y -headers 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip, deflate
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/47.0 (Chrome)
' -i https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p.m3u8 -c copy -f mp4 -bsf:a aac_adtstoasc 'file:Loading View Controllers-hls.mp4.part'
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
  built with Apple LLVM version 7.0.2 (clang-700.1.81)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/3.0 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-vda
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libavresample   3.  0.  0 /  3.  0.  0
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
[https @ 0x7f95d3724840] inflate return value: -3, invalid code lengths set
Unable to read key file https://talk.objc.io/episodes/S01E03-loading-view-controllers/hls_key
[hls,applehttp @ 0x7f95d4001400] Error when loading first segment 'https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p00000.ts'
https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p.m3u8: Invalid data found when processing input


ERROR: ffmpeg exited with code 1
...
<end of log>

If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

Single video: https://talk.objc.io/episodes/S01E03-loading-view-controllers

Description of your issue, suggested solution and other information

Download is failing with error ERROR: ffmpeg exited with code 1

URL: https://talk.objc.io/episodes/S01E03-loading-view-controllers

Originally created by @marknorgren on GitHub (Jul 6, 2016). - [x] I've **verified** and **I assure** that I'm running youtube-dl **2016.07.07** ### 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) - [x] Site support request (request for adding support for a new site) - [ ] Feature request (request for a new functionality) - [ ] Question - [ ] Other --- ``` $ youtube-dl https://talk.objc.io/episodes/S01E03-loading-view-controllers --verbose [debug] System config: [] [debug] User config: [] [debug] Command-line args: [u'https://talk.objc.io/episodes/S01E03-loading-view-controllers', u'--verbose'] [debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8 [debug] youtube-dl version 2016.07.07 [debug] Python version 2.7.10 - Darwin-15.5.0-x86_64-i386-64bit [debug] exe versions: ffmpeg 3.0, ffprobe 3.0 [debug] Proxy map: {} [generic] S01E03-loading-view-controllers: Requesting header WARNING: Falling back on generic information extractor. [generic] S01E03-loading-view-controllers: Downloading webpage [generic] S01E03-loading-view-controllers: Extracting information [generic] hls: Downloading m3u8 information [debug] Invoking downloader on u'https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p.m3u8' [download] Destination: Loading View Controllers-hls.mp4 [debug] ffmpeg command line: ffmpeg -y -headers 'Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7 Accept-Language: en-us,en;q=0.5 Accept-Encoding: gzip, deflate Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0) Gecko/20150101 Firefox/47.0 (Chrome) ' -i https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p.m3u8 -c copy -f mp4 -bsf:a aac_adtstoasc 'file:Loading View Controllers-hls.mp4.part' ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers built with Apple LLVM version 7.0.2 (clang-700.1.81) configuration: --prefix=/usr/local/Cellar/ffmpeg/3.0 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-vda libavutil 55. 17.103 / 55. 17.103 libavcodec 57. 24.102 / 57. 24.102 libavformat 57. 25.100 / 57. 25.100 libavdevice 57. 0.101 / 57. 0.101 libavfilter 6. 31.100 / 6. 31.100 libavresample 3. 0. 0 / 3. 0. 0 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.101 / 2. 0.101 libpostproc 54. 0.100 / 54. 0.100 [https @ 0x7f95d3724840] inflate return value: -3, invalid code lengths set Unable to read key file https://talk.objc.io/episodes/S01E03-loading-view-controllers/hls_key [hls,applehttp @ 0x7f95d4001400] Error when loading first segment 'https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p00000.ts' https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-28c02b31eaab/1/1080p.m3u8: Invalid data found when processing input ERROR: ffmpeg exited with code 1 ... <end of log> ``` --- ### If the purpose of this _issue_ is a _site support request_ please provide all kinds of example URLs support for which should be included (replace following example URLs by **yours**): - Single video: https://talk.objc.io/episodes/S01E03-loading-view-controllers --- ### Description of your _issue_, suggested solution and other information Download is failing with error `ERROR: ffmpeg exited with code 1` - URL: https://talk.objc.io/episodes/S01E03-loading-view-controllers

deekerman added the

external-bugs

label

2026-02-21 04:16:26 -05:00

deekerman commented

2026-02-21 04:16:28 -05:00

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Owner

@yan12125 commented on GitHub (Jul 7, 2016):

Looks like an ffmpeg bug. Install pycrypto and try the following command:

youtube-dl https://talk.objc.io/episodes/S01E03-loading-view-controllers --verbose --hls-prefer-native

@yan12125 commented on GitHub (Jul 7, 2016): Looks like an ffmpeg bug. Install pycrypto and try the following command: ``` youtube-dl https://talk.objc.io/episodes/S01E03-loading-view-controllers --verbose --hls-prefer-native ```

deekerman commented

2026-02-21 04:16:29 -05:00

Author

Owner

@yan12125 commented on GitHub (Jul 8, 2016):

Well not quite ffmpeg's fault. talk.objc.io does not handle Accept-Encoding header correctly. Use the following command as a workaround:

youtube-dl https://talk.objc.io/episodes/S01E03-loading-view-controllers --verbose --add-header "Youtubedl-no-compression: True"

Also reported to http://trac.ffmpeg.org/ticket/5696. I'll keep this ticket open until it's fixed (or rejected) by ffmpeg and a new version of ffmpeg is released.

@yan12125 commented on GitHub (Jul 8, 2016): Well not quite ffmpeg's fault. talk.objc.io does not handle `Accept-Encoding` header correctly. Use the following command as a workaround: ``` youtube-dl https://talk.objc.io/episodes/S01E03-loading-view-controllers --verbose --add-header "Youtubedl-no-compression: True" ``` Also reported to http://trac.ffmpeg.org/ticket/5696. I'll keep this ticket open until it's fixed (or rejected) by ffmpeg and a new version of ffmpeg is released.

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