[FFmpeg-user] When copyts used output file can not be created properly

[Soner CAN]

Hi,

I can not split a transport stream file with copyts option. It just creates
a 0 byte invalid file.

Here are files to reproduce: http://dropcanvas.com/2gmsg/1


Here is the command and the console output:

ffmpeg -ss 0:00:00 -i sample.ts -to 00:00:03 -y -c copy -copyts splitted.ts
ffmpeg version 3.0 Copyright (c) 2000-2016 the FFmpeg developers
  built with Apple LLVM version 7.0.0 (clang-700.0.72)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/3.0 --enable-shared
--enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
--enable-avresample --cc=clang --host-cflags= --host-ldflags=
--enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid
--enable-libfreetype --enable-libvorbis --enable-libvpx --enable-libass
--enable-ffplay --enable-libfdk-aac --enable-libopus --enable-libx265
--enable-nonfree --enable-vda
  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
  libavresample   3.  0.  0 /  3.  0.  0
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
[NULL @ 0x7f83a482c200] start time for stream 2 is not set in
estimate_timings_from_pts
Input #0, mpegts, from 'sample.ts':
  Duration: 00:00:10.07, start: 94678.950389, bitrate: 934 kb/s
  Program 1
    Stream #0:0[0x100]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
yuv420p, 854x480 [SAR 1280:1281 DAR 16:9], 29.97 fps, 29.97 tbr, 90k tbn,
59.94 tbc
    Stream #0:1[0x101]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, fltp, 140 kb/s
    Stream #0:2[0x102]: Data: timed_id3 (ID3  / 0x20334449)
Output #0, mpegts, to 'splitted.ts':
  Metadata:
    encoder         : Lavf57.25.100
    Stream #0:0: Video: h264 ([27][0][0][0] / 0x001B), yuv420p, 854x480
[SAR 1280:1281 DAR 16:9], q=2-31, 29.97 fps, 29.97 tbr, 90k tbn, 90k tbc
    Stream #0:1: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz,
stereo, 140 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=    0 fps=0.0 q=-1.0 Lsize=       0kB time=00:00:00.00 bitrate=N/A
speed=   0x
video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
Output file is empty, nothing was encoded (check -ss / -t / -frames
parameters if used)

Thank you