[FFmpeg-trac] #6238(avformat:new): Wrong first TS segment length in HLS output

FFmpeg trac at avcodec.org
Tue Mar 14 17:04:50 EET 2017


#6238: Wrong first TS segment length in HLS output
------------------------------------+------------------------------------
             Reporter:  pero        |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:              |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+------------------------------------

Comment (by stevenliu):

 {{{
 MacBook:book StevenLiu$ ffmpeg -i ~/Movies/objectC/facebook.mp4 -c:a aac
 -ab 64k -c:v mpeg4 -b:v 1800k -r 25 -g 100 -f hls -hls_time 4
 -hls_list_size 5400 -hls_flags +delete_segments+append_list+omit_endlist
 playlist.m3u8
 ffmpeg version N-83894-g4e3cc4b Copyright (c) 2000-2017 the FFmpeg
 developers
   built with Apple LLVM version 8.0.0 (clang-800.0.42.1)
   configuration: --enable-libass --enable-opengl --enable-libx264
 --enable-libmp3lame --enable-gpl --enable-nonfree --prefix=/usr/local
 --enable-libopencv --enable-libtesseract --enable-libspeex --enable-
 libfreetype --enable-libfontconfig --enable-libfdk-aac --enable-
 videotoolbox
   libavutil      55. 48.100 / 55. 48.100
   libavcodec     57. 83.100 / 57. 83.100
   libavformat    57. 66.104 / 57. 66.104
   libavdevice    57.  3.100 / 57.  3.100
   libavfilter     6. 76.100 /  6. 76.100
   libswscale      4.  3.101 /  4.  3.101
   libswresample   2.  4.100 /  2.  4.100
   libpostproc    54.  2.100 / 54.  2.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
 '/Users/StevenLiu/Movies/objectC/facebook.mp4':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     encoder         : Lavf55.22.102
     description     : This File is Created by Easy RealMedia Tools@!
   Duration: 02:00:27.85, start: 0.000000, bitrate: 893 kb/s
     Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p,
 640x480, 797 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
     Metadata:
       handler_name    : VideoHandler
     Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz,
 stereo, fltp, 87 kb/s (default)
     Metadata:
       handler_name    : SoundHandler
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
 Press [q] to stop, [?] for help
 Output #0, hls, to 'playlist.m3u8':
   Metadata:
     major_brand     : isom
     minor_version   : 512
     compatible_brands: isomiso2avc1mp41
     description     : This File is Created by Easy RealMedia Tools@!
     encoder         : Lavf57.66.104
     Stream #0:0(und): Video: mpeg4, yuv420p, 640x480, q=2-31, 1800 kb/s,
 25 fps, 90k tbn, 25 tbc (default)
     Metadata:
       handler_name    : VideoHandler
       encoder         : Lavc57.83.100 mpeg4
     Side data:
       cpb: bitrate max/min/avg: 0/0/1800000 buffer size: 0 vbv_delay: -1
     Stream #0:1(und): Audio: aac (LC), 44100 Hz, stereo, fltp, 64 kb/s
 (default)
     Metadata:
       handler_name    : SoundHandler
       encoder         : Lavc57.83.100 aac
 frame=  613 fps=290 q=2.0 Lsize=N/A time=00:00:24.65 bitrate=N/A
 speed=11.7x
 video:2234kB audio:194kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 [aac @ 0x7f8dcb817600] Qavg: 303.284
 MacBook:book StevenLiu$
 MacBook:book StevenLiu$ cat playlist.m3u8
 #EXTM3U
 #EXT-X-VERSION:3
 #EXT-X-TARGETDURATION:4
 #EXT-X-MEDIA-SEQUENCE:0
 #EXT-X-DISCONTINUITY
 #EXTINF:4.000000,
 playlist0.ts
 #EXTINF:4.000000,
 playlist1.ts
 #EXTINF:4.000000,
 playlist2.ts
 #EXTINF:4.000000,
 playlist3.ts
 #EXTINF:4.000000,
 playlist4.ts
 #EXTINF:4.000000,
 playlist5.ts
 #EXTINF:0.520000,
 playlist6.ts
 MacBook:book StevenLiu$

 }}}



 upload your test 720.mp4 please

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6238#comment:1>
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