H:\video-working\gif>..\ffmpeg -ss 1:31:36 -i "H:\Downloads\Sin City Recut and Extended cut 2005 720p x2
64 DTS dxva FLAWL3SS\Sin City Recut and Extended cut 2005 720p x264 DTS dxva FLAWL3SS.mkv" -ss 0:0:1.160
 -t 0:0:12.160 -sws_flags lanczos+accurate_rnd -vf "scale=-1:176, setsar=1:1" -an -vcodec libvpx -crf 0
-y zap.webm 2> output.txt

ffmpeg version N-40301-gc1fe2db Copyright (c) 2000-2012 the FFmpeg developers
  built on May  3 2012 11:44:06 with gcc 4.6.3
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass --enable-libcelt --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      51. 49.100 / 51. 49.100
  libavcodec     54. 17.101 / 54. 17.101
  libavformat    54.  3.100 / 54.  3.100
  libavdevice    53.  4.100 / 53.  4.100
  libavfilter     2. 72.104 /  2. 72.104
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 11.100 /  0. 11.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, matroska,webm, from 'H:\Downloads\Sin City Recut and Extended cut 2005 720p x264 DTS dxva FLAWL3SS\Sin City Recut and Extended cut 2005 720p x264 DTS dxva FLAWL3SS.mkv':
  Metadata:
    creation_time   : 2010-11-16 10:54:38
  Duration: 02:21:45.21, start: 0.000000, bitrate: 6513 kb/s
    Stream #0:0(eng): Video: h264 (High), yuv420p, 1280x692, SAR 1:1 DAR 320:173, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Stream #0:1: Audio: dts (DTS), 48000 Hz, 5.1(side), s16, 1536 kb/s (default)
[buffer @ 0000000003d50ed0] w:1280 h:692 pixfmt:yuv420p tb:1/1000000 sar:1/1 sws_param:flags=2
[setsar @ 0000000003f07670] a:1/1
[scale @ 0000000003f072f0] w:1280 h:692 fmt:yuv420p sar:1/1 -> w:326 h:176 fmt:yuv420p sar:28160/28199 flags:0x40200
[libvpx @ 0000000003d50880] v1.0.0
strptime() unavailable on this system, cannot convert the date string.
Output #0, webm, to 'zap.webm':
  Metadata:
    creation_time   : 2010-11-16 10:54:38
    encoder         : Lavf54.3.100
    Stream #0:0(eng): Video: vp8, yuv420p, 326x176 [SAR 1:1 DAR 163:88], q=-1--1, 200 kb/s, 1k tbn, 23.98 tbc (default)
Stream mapping:
  Stream #0:0 -> #0:0 (h264 -> libvpx)
Press [q] to stop, [?] for help
DTS -7049, next:-1416 st:0 invalid dropping
PTS -6966, next:-1416 invalid dropping st:0
DTS -7008, next:39584 st:0 invalid dropping
PTS -7008, next:39584 invalid dropping st:0
DTS -6966, next:80584 st:0 invalid dropping
PTS -6924, next:80584 invalid dropping st:0
DTS -6924, next:121584 st:0 invalid dropping
PTS -6716, next:121584 invalid dropping st:0
DTS -6883, next:162584 st:0 invalid dropping
PTS -6799, next:162584 invalid dropping st:0
DTS -6841, next:203584 st:0 invalid dropping
PTS -6841, next:203584 invalid dropping st:0
DTS -6799, next:244584 st:0 invalid dropping
PTS -6757, next:244584 invalid dropping st:0
DTS -6716, next:-6716000 st:0 invalid dropping
PTS -6632, next:-6716000 invalid dropping st:0
DTS -6674, next:-6675000 st:0 invalid dropping
PTS -6674, next:-6675000 invalid dropping st:0
DTS -6632, next:-6634000 st:0 invalid dropping
PTS -6591, next:-6634000 invalid dropping st:0
DTS -6549, next:-6550000 st:0 invalid dropping
PTS -6466, next:-6550000 invalid dropping st:0
DTS -6507, next:-6509000 st:0 invalid dropping
PTS -6507, next:-6509000 invalid dropping st:0
frame=    0 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s
frame=    0 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=   0.0kbits/s
frame=   37 fps= 25 q=0.0 size=       0kB time=00:00:00.54 bitrate=   6.7kbits/s
frame=   70 fps= 35 q=0.0 size=      32kB time=00:00:01.91 bitrate= 138.5kbits/s
frame=   98 fps= 39 q=0.0 size=      71kB time=00:00:03.08 bitrate= 187.3kbits/s
frame=  126 fps= 42 q=0.0 size=     101kB time=00:00:04.25 bitrate= 195.3kbits/s
frame=  157 fps= 44 q=0.0 size=     112kB time=00:00:05.54 bitrate= 166.0kbits/s
frame=  187 fps= 46 q=0.0 size=     144kB time=00:00:06.79 bitrate= 174.0kbits/s
frame=  226 fps= 49 q=0.0 size=     183kB time=00:00:08.42 bitrate= 178.1kbits/s
frame=  256 fps= 50 q=0.0 size=     205kB time=00:00:09.67 bitrate= 173.5kbits/s
frame=  286 fps= 51 q=0.0 size=     237kB time=00:00:10.92 bitrate= 177.6kbits/s
frame=  292 fps= 48 q=0.0 Lsize=     300kB time=00:00:12.17 bitrate= 202.1kbits/s

video:298kB audio:0kB global headers:0kB muxing overhead 0.904081%