[FFmpeg-trac] #5672(avformat:reopened): concat demuxer truncates output duration

[FFmpeg]

#5672: concat demuxer truncates output duration
-------------------------------------+-------------------------------------
             Reporter:  jseeley78    |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  important    |                Component:  avformat
              Version:  3.0.3        |               Resolution:
             Keywords:  concat       |               Blocked By:
  regression                         |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * status:  closed => reopened
 * version:  3.0.2 => 3.0.3
 * resolution:  fixed =>


Comment:

 {{{
 $ ffmpeg -f concat -i concat.txt -c copy output.flv
 ffmpeg version n3.0.3 Copyright (c) 2000-2016 the FFmpeg developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl --enable-libspeex
   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
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [flv @ 0x2078660] Auto-inserting h264_mp4toannexb bitstream filter
 Input #0, concat, from 'concat.txt':
   Duration: N/A, start: 0.000000, bitrate: 3 kb/s
     Stream #0:0: Video: h264 (Baseline), yuv420p(tv), 640x360 [SAR 1:1 DAR
 16:9], 30.30 fps, 30 tbr, 1k tbn, 60 tbc
     Stream #0:1: Audio: speex, 16000 Hz, mono, s16, 3 kb/s
 Output #0, flv, to 'output.flv':
   Metadata:
     encoder         : Lavf57.25.100
     Stream #0:0: Video: h264 ([7][0][0][0] / 0x0007), yuv420p, 640x360
 [SAR 1:1 DAR 16:9], q=2-31, 30.30 fps, 30 tbr, 1k tbn, 1k tbc
     Stream #0:1: Audio: speex ([11][0][0][0] / 0x000B), 16000 Hz, mono, 3
 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
   Stream #0:1 -> #0:1 (copy)
 Press [q] to stop, [?] for help
 concat.txt: Invalid argument
 frame=  150 fps=0.0 q=-1.0 Lsize=     712kB time=00:00:07.37 bitrate=
 791.0kbits/s speed=1.99e+03x
 video:702kB audio:4kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.923229%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5672#comment:6>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker