test 4 (fail)

D:\>ffmpeg -i test2.mp4 -vf subtitles=subs.ass test3.mp4
ffmpeg version N-83454-g3aae1ef Copyright (c) 2000-2017 the FFmpeg developers
  built with gcc 5.4.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --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-zlib
  libavutil      55. 46.100 / 55. 46.100
  libavcodec     57. 77.100 / 57. 77.100
  libavformat    57. 66.101 / 57. 66.101
  libavdevice    57.  2.100 / 57.  2.100
  libavfilter     6. 73.100 /  6. 73.100
  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 'test2.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.66.101
  Duration: 00:00:30.03, start: -0.021224, bitrate: 928 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 790 kb/s, 23.81 fps, 23.81 tbr, 16k tbn, 47.62 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(jpn): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 130 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
[Parsed_subtitles_0 @ 0000000000ecff80] Shaper: FriBidi 0.19.6 (SIMPLE)
Fontconfig error: Cannot load default config file
[Parsed_subtitles_0 @ 0000000000ecff80] No usable fontconfig configuration file found, using fallback.
Fontconfig error: Cannot load default config file
[Parsed_subtitles_0 @ 0000000000ecff80] Using font provider fontconfig
[libx264 @ 0000000000f09a80] using SAR=1/1
[libx264 @ 0000000000f09a80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0000000000f09a80] profile High, level 3.1
[libx264 @ 0000000000f09a80] 264 - core 148 r2762 90a61ec - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=23 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'test3.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.66.101
    Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 23.81 fps, 16k tbn, 23.81 tbc (default)
    Metadata:
      handler_name    : VideoHandler
      encoder         : Lavc57.77.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    Stream #0:1(jpn): Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 128 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
      encoder         : Lavc57.77.100 aac
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
frame=  716 fps=100 q=-1.0 Lsize=    3361kB time=00:00:30.02 bitrate= 917.1kbits/s dup=1 drop=0 speed=4.21x
video:2854kB audio:479kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.843211%
[libx264 @ 0000000000f09a80] frame I:21    Avg QP:17.64  size: 32945
[libx264 @ 0000000000f09a80] frame P:224   Avg QP:19.17  size:  7943
[libx264 @ 0000000000f09a80] frame B:471   Avg QP:22.07  size:   957
[libx264 @ 0000000000f09a80] consecutive B-frames:  7.5% 11.2%  9.2% 72.1%
[libx264 @ 0000000000f09a80] mb I  I16..4: 22.2% 58.5% 19.2%
[libx264 @ 0000000000f09a80] mb P  I16..4:  3.2%  9.1%  1.7%  P16..4: 23.4%  5.1%  2.9%  0.0%  0.0%    skip:54.6%
[libx264 @ 0000000000f09a80] mb B  I16..4:  0.2%  0.4%  0.1%  B16..8: 11.6%  0.6%  0.1%  direct: 0.4%  skip:86.7%  L0:44.6% L1:54.5% BI: 0.9%
[libx264 @ 0000000000f09a80] 8x8 transform intra:62.1% inter:80.9%
[libx264 @ 0000000000f09a80] coded y,uvDC,uvAC intra: 30.7% 45.8% 18.1% inter: 2.7% 5.6% 0.2%
[libx264 @ 0000000000f09a80] i16 v,h,dc,p: 38% 34% 10% 18%
[libx264 @ 0000000000f09a80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 37% 22% 23%  3%  3%  3%  3%  3%  3%
[libx264 @ 0000000000f09a80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 17% 15%  6%  6%  7%  4%  6%  3%
[libx264 @ 0000000000f09a80] i8c dc,h,v,p: 58% 18% 21%  4%
[libx264 @ 0000000000f09a80] Weighted P-Frames: Y:7.6% UV:2.7%
[libx264 @ 0000000000f09a80] ref P L0: 69.7%  8.3% 16.3%  5.6%  0.0%
[libx264 @ 0000000000f09a80] ref B L0: 80.8% 13.5%  5.7%
[libx264 @ 0000000000f09a80] ref B L1: 97.8%  2.2%
[libx264 @ 0000000000f09a80] kb/s:777.32
[aac @ 000000000294d4a0] Qavg: 521.033