[FFmpeg-trac] #5306(undetermined:new): HLS start_time and duration incorrect

[FFmpeg]

#5306: HLS start_time and duration incorrect
-------------------------------------+-------------------------------------
             Reporter:  ronag        |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 When transcoding a file jellyfish.webm the start_time and duration are
 modified and seem incorrect:


 {{{
 ffprobe -v warning -print_format json -show_format -i jellyfish.m3u8
 {
     "format": {
         "filename": "jellyfish.m3u8",
         "nb_streams": 1,
         "nb_programs": 1,
         "format_name": "hls,applehttp",
         "format_long_name": "Apple HTTP Live Streaming",
         "start_time": "1.466733",
         "duration": "29.996632",
         "size": "216",
         "bit_rate": "57",
         "probe_score": 100
     }
 }
 }}}


 {{{
 ffmpeg -i jellyfish.web jellyfish.m3u8
 }}}


 {{{
 ffprobe -v warning -print_format json -show_format -i jellyfish.m3u8
 {
     "format": {
         "filename": "jellyfish.m3u8",
         "nb_streams": 1,
         "nb_programs": 1,
         "format_name": "hls,applehttp",
         "format_long_name": "Apple HTTP Live Streaming",
         "start_time": "1.466733",
         "duration": "29.996632",
         "size": "216",
         "bit_rate": "57",
         "probe_score": 100
     }
 }
 }}}

 ffmpeg version: 3.0

 Files are available at:
 https://www.dropbox.com/sh/wcwbwf05o1132vb/AAC3Mh1kL5TLwNOoGuGMD7PHa?dl=0

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5306>
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