[FFmpeg-trac] #5696(avformat:new): ffmpeg broken for AES-encrypted HLS stream with Accept-Encoding header
FFmpeg
trac at avcodec.org
Fri Jul 8 14:08:27 EEST 2016
#5696: ffmpeg broken for AES-encrypted HLS stream with Accept-Encoding header
----------------------------------+----------------------------------
Reporter: yan12125 | Type: defect
Status: new | Priority: normal
Component: avformat | Version: 3.0.2
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
----------------------------------+----------------------------------
Summary of the bug:
How to reproduce:
{{{
$ ffmpeg -loglevel debug -headers "Accept-Encoding: gzip, deflate" -i
https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p.m3u8 -c copy -f mp4 -bsf:a aac_adtstoasc output.mp4
ffmpeg version 3.1.1 Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 6.1.1 (GCC) 20160602
configuration: --prefix=/usr --disable-debug --disable-static --disable-
stripping --enable-avisynth --enable-avresample --enable-fontconfig
--enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libass
--enable-libbluray --enable-libfreetype --enable-libfribidi --enable-
libgsm --enable-libiec61883 --enable-libmodplug --enable-libmp3lame
--enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg
--enable-libopus --enable-libpulse --enable-libschroedinger --enable-
libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-
libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-
libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-netcdf
--enable-shared --enable-version3 --enable-x11grab
libavutil 55. 28.100 / 55. 28.100
libavcodec 57. 48.101 / 57. 48.101
libavformat 57. 41.100 / 57. 41.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 47.100 / 6. 47.100
libavresample 3. 0. 0 / 3. 0. 0
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 1.100 / 2. 1.100
libpostproc 54. 0.100 / 54. 0.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging
level) with argument 'debug'.
Reading option '-headers' ... matched as AVOption 'headers' with argument
'Accept-Encoding: gzip, deflate'.
Reading option '-i' ... matched as input file with argument
'https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p.m3u8'.
Reading option '-c' ... matched as option 'c' (codec name) with argument
'copy'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'mp4'.
Reading option '-bsf:a' ... matched as option 'bsf' (A comma-separated
list of bitstream filters) with argument 'aac_adtstoasc'.
Reading option 'output.mp4' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file
https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p.m3u8.
Successfully parsed a group of options.
Opening an input file:
https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p.m3u8.
[https @ 0x56373daa0320] Setting default whitelist
'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[https @ 0x56373daa0320] No trailing CRLF found in HTTP header.
[https @ 0x56373daa0320] request: GET /episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p.m3u8 HTTP/1.1
User-Agent: Lavf/57.41.100
Accept: */*
Range: bytes=0-
Connection: close
Host: d2sazdeahkz1yk.cloudfront.net
Icy-MetaData: 1
Accept-Encoding: gzip, deflate
[hls,applehttp @ 0x56373da9fb20] Format hls,applehttp probed with
size=2048 and score=100
[hls,applehttp @ 0x56373da9fb20] HLS request for url
'https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p00000.ts', offset 0, playlist 0
[https @ 0x56373e0c8700] request: GET /episodes/S01E03-loading-view-
controllers/hls_key HTTP/1.1
User-Agent: Lavf/57.41.100
Accept: */*
Connection: close
Host: talk.objc.io
Icy-MetaData: 1
Accept-Encoding: gzip, deflate
[https @ 0x56373e0c8700] inflate return value: -3, invalid code lengths
set
Last message repeated 1 times
Unable to read key file https://talk.objc.io/episodes/S01E03-loading-view-
controllers/hls_key
[AVIOContext @ 0x56373dc811a0] Statistics: 0 bytes read, 0 seeks
[https @ 0x56373deedc20] request: GET /episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p00000.ts HTTP/1.1
User-Agent: Lavf/57.41.100
Accept: */*
Connection: close
Host: d2sazdeahkz1yk.cloudfront.net
Icy-MetaData: 1
Accept-Encoding: gzip, deflate
[hls,applehttp @ 0x56373da9fb20] Error when loading first segment
'https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p00000.ts'
[AVIOContext @ 0x56373dbcc380] Statistics: 1050928 bytes read, 0 seeks
[AVIOContext @ 0x56373de18ce0] Statistics: 4997 bytes read, 0 seeks
https://d2sazdeahkz1yk.cloudfront.net/episodes/1b888bc4-d261-481d-a8ba-
28c02b31eaab/1/1080p.m3u8: Invalid data found when processing input
}}}
The key file is correctly gzipped:
{{{
$ curl "https://talk.objc.io/episodes/S01E03-loading-view-
controllers/hls_key" | xxd
% Total % Received % Xferd Average Speed Time Time Time
Current
Dload Upload Total Spent Left
Speed
100 16 0 16 0 0 16 0 --:--:-- --:--:-- --:--:--
16
00000000: 9016 6c2e 9f21 f436 9478 2438 464e 917a ..l..!.6.x$8FN.z
$ curl -H 'Accept-Encoding: gzip, deflate'
"https://talk.objc.io/episodes/S01E03-loading-view-controllers/hls_key" |
gunzip -c - | xxd
% Total % Received % Xferd Average Speed Time Time Time
Current
Dload Upload Total Spent Left
Speed
100 43 0 43 0 0 48 0 --:--:-- --:--:-- --:--:--
48
00000000: 9016 6c2e 9f21 f436 9478 2438 464e 917a ..l..!.6.x$8FN.z
$ curl -H 'Accept-Encoding: gzip, deflate'
"https://talk.objc.io/episodes/S01E03-loading-view-controllers/hls_key" |
xxd
% Total % Received % Xferd Average Speed Time Time Time
Current
Dload Upload Total Spent Left
Speed
100 43 0 43 0 0 45 0 --:--:-- --:--:-- --:--:--
45
00000000: 1f8b 0800 2d89 7f57 0003 9a20 96a3 375f ....-..W... ..7_
00000010: f18b d994 0a15 0b37 bf89 5500 0000 00ff .......7..U.....
00000020: ff03 0070 464c a710 0000 00 ...pFL.....
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5696>
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