[FFmpeg-trac] #5378(undetermined:new): Remuxing interlaced file from camera Sony A7S results in broken video

[FFmpeg]

#5378: Remuxing interlaced file from camera Sony A7S results in broken video
-------------------------------------+-------------------------------------
             Reporter:  rmk          |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 see subject. Resulting files play back with frame order problems in
 Quicktime.

 Command line and output:
 {{{
 ffmpeg -i /Users/krueger/lesspain/samples/incoming/sony_a7s_50i_2s.MTS -an
 -vcodec copy -y ~/tmp/a7s_50i_remux_ffmpeg_video_only.mov
 ffmpeg version N-79103-gd4773c9 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with Apple LLVM version 7.0.2 (clang-700.1.81)
   configuration:
   libavutil      55. 19.100 / 55. 19.100
   libavcodec     57. 28.103 / 57. 28.103
   libavformat    57. 28.102 / 57. 28.102
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 39.102 /  6. 39.102
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
 Input #0, mpegts, from
 '/Users/krueger/lesspain/samples/incoming/sony_a7s_50i_2s.MTS':
   Duration: 00:00:02.08, start: 1.040000, bitrate: 15501 kb/s
   Program 1
     Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p,
 1920x1080 [SAR 1:1 DAR 16:9], 25.25 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo,
 fltp, 256 kb/s
     Stream #0:2[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] /
 0x0090), 1920x1080
 Output #0, mov, to
 '/Users/krueger/tmp/a7s_50i_remux_ffmpeg_video_only.mov':
   Metadata:
     encoder         : Lavf57.28.102
     Stream #0:0: Video: h264 (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR
 1:1 DAR 16:9], q=2-31, 25.25 fps, 25 tbr, 90k tbn, 90k tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 Press [q] to stop, [?] for help
 [mov @ 0x7f9932813400] Timestamps are unset in a packet for stream 0. This
 is deprecated and will stop working in the future. Fix your code to set
 the timestamps properly
 [mov @ 0x7f9932813400] pts has no value
     Last message repeated 51 times
 frame=  104 fps=0.0 q=-1.0 Lsize=    3648kB time=00:00:01.94
 bitrate=15405.5kbits/s speed= 181x
 video:3647kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.026561%
 }}}

 BTW remuxing the file using ffmbc results in a file playing correctly in
 Quicktime.

 Sample sony_a7s_50i_2s.MTS uploaded to incoming

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5378>
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