ffmpeg version 0.7.8, Copyright (c) 2000-2011 the FFmpeg developers
  built on Mar 27 2012 22:42:49 with gcc 4.5.3
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared --cc=x86_64-pc-linux-gnu-gcc --disable-static --enable-gpl --enable-version3 --enable-postproc --enable-avfilter --disable-stripping --disable-debug --disable-doc --disable-network --disable-vaapi --disable-ffplay --disable-vdpau --enable-libmp3lame --enable-libvo-aacenc --enable-libx264 --disable-indev=v4l --disable-indev=v4l2 --disable-indev=oss --disable-indev=jack --enable-x11grab --disable-outdev=oss --enable-libfreetype --enable-pthreads --disable-altivec --disable-avx --cpu=atom --enable-hardcoded-tables
  libavutil    50. 43. 0 / 50. 43. 0
  libavcodec   52.123. 0 / 52.123. 0
  libavformat  52.111. 0 / 52.111. 0
  libavdevice  52.  5. 0 / 52.  5. 0
  libavfilter   1. 80. 0 /  1. 80. 0
  libswscale    0. 14. 1 /  0. 14. 1
  libpostproc  51.  2. 0 / 51.  2. 0
[matroska,webm @ 0x1740e90] max_analyze_duration 5000000 reached at 5024000
[matroska,webm @ 0x1740e90] Estimating duration from bitrate, this may be inaccurate

Seems stream 0 codec frame rate differs from container frame rate: 47.95 (5000000/104271) -> 23.98 (24000/1001)
Input #0, matroska,webm, from 'Missija.nevypolnima-Protokol.Fantom.2011.x264.HDRip.(AVC).ExKinoRay.mkv':
  Metadata:
    title           : Missija.nevypolnima-Protokol.Fantom.2011.x264.HDRip.(AVC).ExKinoRay  (Rip by Enigma-Vladislav71)
  Duration: 02:12:56.26, start: 0.000000, bitrate: 896 kb/s
    Stream #0.0: Video: h264 (High), yuv420p, 1024x426 [PAR 1:1 DAR 512:213], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Stream #0.1(rus): Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s (default)
    Stream #0.2(eng): Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    Stream #0.3(eng): Subtitle: [0][0][0][0] / 0x0000 (default)
At least one output file must be specified