[FFmpeg-user] The protocol CONCAT has broken

[Антон Приходько]

Hi All !
The protocol CONCAT has broken In last versions of FFMPEG TOOL. The version ffmpeg-20160225-git-ad17b9d-win64-static is OK.
The version ffmpeg-20160316-git-d0a9114-win64-static does not.
The error is “Unsafe file name <filename>“
The exapmle:

The Command Line is:
G:\Distr\ffmpeg-20160316-git-d0a9114-win64-static\bin\ffmpeg.exe  -f concat -i "G:\Disk_C\Temp\fs1603201615-12-44.txt" -map 0 -c copy  "d:\output_1.mkv" -report
The content of file G:\Disk_C\Temp\fs1603201615-12-44.txt is:

file H:\\Half_2.mkv
file H:\\Half_3.mkv

The log is:
ffmpeg started on 2016-03-16 at 15:12:44
Report written to "ffmpeg-20160316-151244.log"
Command line:
"G:\\Distr\\ffmpeg-20160316-git-d0a9114-win64-static\\bin\\ffmpeg.exe" -f concat -i "G:\\Disk_C\\Temp\\fs1603201615-12-44.txt" -map 0 -c copy "d:\\output_1.mkv" -report
ffmpeg version N-79056-gd0a9114 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 5.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmfx --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
  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
  libpostproc    54.  0.100 / 54.  0.100
Splitting the commandline.
Reading option '-f' ... matched as option 'f' (force format) with argument 'concat'.
Reading option '-i' ... matched as input file with argument 'G:\Disk_C\Temp\fs1603201615-12-44.txt'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '0'.
Reading option '-c' ... matched as option 'c' (codec name) with argument 'copy'.
Reading option 'd:\output_1.mkv' ... matched as output file.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input file G:\Disk_C\Temp\fs1603201615-12-44.txt.
Applying option f (force format) with argument concat.
Successfully parsed a group of options.
Opening an input file: G:\Disk_C\Temp\fs1603201615-12-44.txt.
[file @ 000000000056d620] Setting default whitelist 'file'
[concat @ 0000000000583e40] Unsafe file name 'H:\Half_2.mkv'
[AVIOContext @ 000000000058d600] Statistics: 42 bytes read, 0 seeks
G:\Disk_C\Temp\fs1603201615-12-44.txt: Operation not permitted

Perhaps, something has changed? 

WBR,
Tosha