[sibi@sibi fisheye]$ /usr/local/bin/ffmpeg -i input.avi -vf frei0r=defish0r:0.75:n:0.666:0:0.0:0.0:0.25:0.0 -acodec copy -vcodec libx264 -crf 18 -preset medium -b 500k -an output.avi
ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
  built on Aug  3 2012 11:11:41 with gcc 4.7.0 20120507 (Red Hat 4.7.0-5)
  configuration: --enable-frei0r --enable-libx264 --enable-gpl
  libavutil      51. 54.100 / 51. 54.100
  libavcodec     54. 23.100 / 54. 23.100
  libavformat    54.  6.100 / 54.  6.100
  libavdevice    54.  0.100 / 54.  0.100
  libavfilter     2. 77.100 /  2. 77.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
Input #0, avi, from 'input.avi':
  Metadata:
    title           : suzanne awards
  Duration: 00:01:57.04, start: 0.000000, bitrate: 930 kb/s
    Stream #0:0: Video: mpeg4 (XVID / 0x44495658), yuv420p, 512x384 [SAR 1:1 DAR 4:3], 25 tbr, 25 tbn, 25 tbc
    Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 44100 Hz, stereo, s16, 256 kb/s
Please use -b:a or -b:v, -b is ambiguous
File 'output.avi' already exists. Overwrite ? [y/N] y
w:512 h:384 pixfmt:yuv420p tb:1/25 sar:1/1 sws_param:flags=2
[buffersink @ 0x2b6c9c0] No opaque field provided
[frei0r @ 0x2b6d8e0] name:Defish0r author:'Marko Cebokli' explanation:'Non rectilinear lens mappings' color_model:rgba8888 frei0r_version:1 version:0.2 num_params:8
[format @ 0x2b6d1a0] auto-inserting filter 'auto-inserted scaler 0' between the filter 'Parsed_frei0r_0' and the filter 'format'
[frei0r @ 0x2b6d8e0] auto-inserting filter 'auto-inserted scaler 1' between the filter 'src' and the filter 'Parsed_frei0r_0'
[scale @ 0x2b6f680] w:512 h:384 fmt:yuv420p sar:1/1 -> w:512 h:384 fmt:rgba sar:1/1 flags:0x4
[frei0r @ 0x2b6d8e0] idx:0 name:'Amount' type:double explanation:'Focal Ratio'
[frei0r @ 0x2b6d8e0] idx:1 name:'DeFish' type:bool explanation:'Fish or Defish'
[frei0r @ 0x2b6d8e0] idx:2 name:'Type' type:double explanation:'Mapping function'
[frei0r @ 0x2b6d8e0] idx:3 name:'Scaling' type:double explanation:'Scaling method'
[frei0r @ 0x2b6d8e0] idx:4 name:'Manual Scale' type:double explanation:'Manual Scale'
[frei0r @ 0x2b6d8e0] idx:5 name:'Interpolator' type:double explanation:'Quality of interpolation'
[frei0r @ 0x2b6d8e0] idx:6 name:'Aspect type' type:double explanation:'Pixel aspect ratio presets'
[frei0r @ 0x2b6d8e0] idx:7 name:'Manual Aspect' type:double explanation:'Manual Pixel Aspect ratio'
[scale @ 0x2b6d7c0] w:512 h:384 fmt:rgba sar:1/1 -> w:512 h:384 fmt:yuv420p sar:1/1 flags:0x4
[libx264 @ 0x2ba8900] using SAR=1/1
[libx264 @ 0x2ba8900] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
[libx264 @ 0x2ba8900] profile High, level 2.1
Output #0, avi, to 'output.avi':
  Metadata:
    INAM            : suzanne awards
    ISFT            : Lavf54.6.100
    Stream #0:0: Video: h264 (H264 / 0x34363248), yuv420p, 512x384 [SAR 1:1 DAR 4:3], q=-1--1, 500 kb/s, 25 tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (mpeg4 -> libx264)
Press [q] to stop, [?] for help
frame= 2926 fps=107 q=-1.0 Lsize=    8001kB time=00:01:56.96 bitrate= 560.4kbits/s
video:7925kB audio:0kB global headers:0kB muxing overhead 0.954269%
[libx264 @ 0x2ba8900] frame I:16    Avg QP: 8.60  size: 20182
[libx264 @ 0x2ba8900] frame P:1140  Avg QP:16.01  size:  5418
[libx264 @ 0x2ba8900] frame B:1770  Avg QP:21.39  size:   913
[libx264 @ 0x2ba8900] consecutive B-frames: 14.4% 11.8%  9.3% 64.5%
[libx264 @ 0x2ba8900] mb I  I16..4: 38.0% 37.7% 24.3%
[libx264 @ 0x2ba8900] mb P  I16..4:  0.9%  3.7%  1.1%  P16..4: 28.9% 16.3% 10.2%  0.0%  0.0%    skip:38.9%
[libx264 @ 0x2ba8900] mb B  I16..4:  0.2%  0.1%  0.0%  B16..8: 25.5%  3.0%  0.7%  direct: 1.8%  skip:68.7%  L0:36.0% L1:54.9% BI: 9.2%
[libx264 @ 0x2ba8900] 8x8 transform intra:57.7% inter:59.8%
[libx264 @ 0x2ba8900] coded y,uvDC,uvAC intra: 62.5% 80.2% 65.8% inter: 14.4% 19.0% 4.0%
[libx264 @ 0x2ba8900] i16 v,h,dc,p: 55% 21%  6% 18%
[libx264 @ 0x2ba8900] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 22% 21%  4%  7%  7%  8%  7%  8%
[libx264 @ 0x2ba8900] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 25% 17%  5%  8%  7%  8%  6%  6%
[libx264 @ 0x2ba8900] i8c dc,h,v,p: 54% 23% 14%  9%
[libx264 @ 0x2ba8900] Weighted P-Frames: Y:5.4% UV:3.2%
[libx264 @ 0x2ba8900] ref P L0: 66.4% 11.5% 16.5%  5.5%  0.1%
[libx264 @ 0x2ba8900] ref B L0: 88.4% 10.0%  1.6%
[libx264 @ 0x2ba8900] ref B L1: 95.4%  4.6%
[libx264 @ 0x2ba8900] kb/s:554.70