ffmpeg -i \[10\]\ Zatoichis.Revenge.1965.DVDRip.DivX.avi -i \[10\]\ Zatoichis.Revenge.1965.DVDRip.DivX.sub -filter_complex "[0:v][1:s]overlay" -codec:v libx264 -c:a copy -t 25 tragoudi-miso-a.mp4
ffmpeg version 2.4.3 Copyright (c) 2000-2014 the FFmpeg developers
  built on Nov  2 2014 09:16:45 with gcc 4.9.1 (GCC) 20140903 (prerelease)
  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gnutls --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libv4l2 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-runtime-cpudetect --enable-shared --enable-swresample --enable-vdpau --enable-version3 --enable-x11grab
  libavutil      54.  7.100 / 54.  7.100
  libavcodec     56.  1.100 / 56.  1.100
  libavformat    56.  4.101 / 56.  4.101
  libavdevice    56.  0.100 / 56.  0.100
  libavfilter     5.  1.100 /  5.  1.100
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  0.100 /  3.  0.100
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  0.100 / 53.  0.100
Input #0, avi, from '[10] Zatoichis.Revenge.1965.DVDRip.DivX.avi':
  Metadata:
    encoder         : VirtualDubMod 1.5.10.1 (build 2366/release)
  Duration: 01:23:11.38, start: 0.000000, bitrate: 1159 kb/s
    Stream #0:0: Video: mpeg4 (DX50 / 0x30355844), yuv420p, 672x288 [SAR 1:1 DAR 7:3], 1024 kb/s, 23.98 fps, 23.98 tbr, 23.98 tbn, 30k tbc
    Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p, 122 kb/s
Input #1, mpeg, from '[10] Zatoichis.Revenge.1965.DVDRip.DivX.sub':
  Duration: 01:22:57.24, start: 1.935267, bitrate: 5 kb/s
    Stream #1:0[0x20]: Subtitle: dvd_subtitle
[mpeg @ 0x15e3a80] sub2video: using 720x576 canvas
File 'tragoudi-miso-a.mp4' already exists. Overwrite ? [y/N] y
[libx264 @ 0x15ed880] using SAR=1/1
[libx264 @ 0x15ed880] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64 SlowShuffle
[libx264 @ 0x15ed880] profile High, level 2.1
[libx264 @ 0x15ed880] 264 - core 142 r2455 021c0dc - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - 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 'tragoudi-miso-a.mp4':
  Metadata:
    encoder         : Lavf56.4.101
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 672x288 [SAR 1:1 DAR 7:3], q=-1--1, 23.98 fps, 24k tbn, 23.98 tbc (default)
    Metadata:
      encoder         : Lavc56.1.100 libx264
    Stream #0:1: Audio: mp3 (i[0][0][0] / 0x0069), 48000 Hz, stereo, 122 kb/s
Stream mapping:
  Stream #0:0 (mpeg4) -> overlay:main
  Stream #1:0 (dvdsub) -> overlay:overlay
  overlay -> Stream #0:0 (libx264)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[mpeg4 @ 0x1b19040] Video uses a non-standard and wasteful way to store B-frames ('packed B-frames'). Consider using a tool like VirtualDub or avidemux to fix it.
frame=  599 fps=127 q=-1.0 Lsize=    1430kB time=00:00:25.00 bitrate= 468.3kbits/s    
video:1028kB audio:381kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.461374%
[libx264 @ 0x15ed880] frame I:6     Avg QP:15.25  size:  9931
[libx264 @ 0x15ed880] frame P:210   Avg QP:21.41  size:  4040
[libx264 @ 0x15ed880] frame B:383   Avg QP:23.88  size:   375
[libx264 @ 0x15ed880] consecutive B-frames:  5.0% 20.4% 26.5% 48.1%
[libx264 @ 0x15ed880] mb I  I16..4: 50.2% 35.6% 14.1%
[libx264 @ 0x15ed880] mb P  I16..4:  1.0%  4.5%  0.2%  P16..4: 52.3% 11.2%  8.6%  0.0%  0.0%    skip:22.3%
[libx264 @ 0x15ed880] mb B  I16..4:  0.0%  0.1%  0.0%  B16..8: 27.8%  0.4%  0.0%  direct: 0.3%  skip:71.4%  L0:42.0% L1:54.7% BI: 3.2%
[libx264 @ 0x15ed880] 8x8 transform intra:64.6% inter:77.9%
[libx264 @ 0x15ed880] coded y,uvDC,uvAC intra: 26.5% 41.3% 16.1% inter: 12.8% 16.4% 1.3%
[libx264 @ 0x15ed880] i16 v,h,dc,p: 60% 20% 13%  7%
[libx264 @ 0x15ed880] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 16% 16% 59%  1%  1%  1%  2%  1%  2%
[libx264 @ 0x15ed880] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 24% 21% 16%  7%  6%  5%  6%  6%  8%
[libx264 @ 0x15ed880] i8c dc,h,v,p: 65% 16% 15%  3%
[libx264 @ 0x15ed880] Weighted P-Frames: Y:33.8% UV:26.2%
[libx264 @ 0x15ed880] ref P L0: 55.0% 13.4% 21.8%  8.5%  1.3%
[libx264 @ 0x15ed880] ref B L0: 78.4% 17.4%  4.2%
[libx264 @ 0x15ed880] ref B L1: 91.5%  8.5%
[libx264 @ 0x15ed880] kb/s:336.76
ffmpeg -i \[10\]\ Zatoichis.Revenge.1965.DVDRip.DivX.avi -i  -filter_complex   16,33s user 0,16s system 14% cpu 1:55,79 total