[FFmpeg-trac] #4797(avformat:open): Trying to save m3u8 as mp4 giving "could not find corresponding trex" error.

[FFmpeg]

#4797: Trying to save m3u8 as mp4 giving "could not find corresponding trex"
error.
-------------------------------------+-------------------------------------
             Reporter:  Jonzo        |                    Owner:  anssi
                 Type:  defect       |                   Status:  open
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  hls          |               Blocked By:
  regression debian                  |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 Another stream from ticket #4846 that also does not work since da7759b3:
 {{{
 $ ffmpeg -i
 "https://toutvuniver1-vh.akamaihd.net/i/012/mp4/c/2015-09-11_19_00_00_cheforeille_0001_,500,800,1200,2000,3000,.mp4.csmil/master.m3u8?hdnea=st=1442150589~exp=1444742589~acl=/i/012/mp4/c/2015-09-11_19_00_00_cheforeille_0001_*~hmac=84d9371012603adc84fc95b49714153067267921e1fd1657aa4dbde37a135c90"
 ffmpeg version N-75274-g39c61d8 Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --enable-gnutls
   libavutil      55.  2.100 / 55.  2.100
   libavcodec     57.  1.100 / 57.  1.100
   libavformat    57.  0.100 / 57.  0.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6.  3.100 /  6.  3.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.100 /  2.  0.100
   libpostproc    54.  0.100 / 54.  0.100
 [https @ 0x3727bc0] No trailing CRLF found in HTTP header.
 [http @ 0x3727bc0] HTTP error 403 Forbidden
 [crypto @ 0x377cfa0] Unable to open resource:
 http://toutvuniver1-vh.akamaihd.net/i/012/mp4/c/2015-09-11_19_00_00_cheforeille_0001_,500,800,1200,2000,3000,.mp4.csmil/segment1_0_av.ts?null=&id=AgBQbmw8aFMElRPW9VWJqhwWsWEs563L0f+nx8N7fxLnJzL3I7%2fGJht44xunR2RgQBF06lHGQvbarA%3d%3d
 [hls,applehttp @ 0x3715580] Failed to open segment of playlist 0
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/4797#comment:4>
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