-i name      input file/directory/device/mountpoint/host name
-H n      auto-probe n MB of source (0=off) [1]
-p file      read audio stream from separate file [off]
-x vmod[,amod]     video[,audio] import modules [null]
-a a[,v]      extract audio[,video] track [0,0]

-e r[,b[,c]]      PCM audio stream parameter [48000,16,2]
-E r[,b[,c]]      audio output samplerate, bits, channels [as input]
-n 0xnn      import audio format id [0x2000]
-N 0xnn      export audio format id [0x55]
-b b[,vbr[,q]]      audio encoder bitrate kBits/s[,vbr[,quality]] [128,0,5]
--no_audio_adjust      disable audio frame sample adjustment [off]
--no_bitreservoir      disable lame bitreservoir [off]

-g wxh      RGB video stream frame size [720x576]
--export_asr C      set export aspect ratio code C [as input]
--import_asr C      set import aspect ratio code C [auto]
--keep_asr      try to keep aspect ratio (only with -Z) [off]
-f rate[,frc]      output video frame rate[,frc] [25.000,0] fps
--export_frc F      set export frame rate code F [as input]

-o file      output file name
-m file      write audio stream to separate file [off]
-y vmod[,amod]      video[,audio] export modules [null]
-F codec      encoder parameter strings [module dependent]
--avi_limit N      split output AVI file after N MB [2048]

-d      swap bytes in audio stream [off]
-s g[,c[,f[,r]]]      increase volume by gain,[center,front,rear] [off,1,1,1]

-u m[,n]      use m framebuffer[,n threads] for AV processing [10,1]
-A      use AC3 as internal audio codec [off]
-V use YV12/I420 as internal video codec [off]
-J f1[,f2[,...]]     apply external filter plugins [off]
-P flag      pass-through flag (0=off|1=V|2=A|3=A+V) [0]

-D num      sync video start with audio frame num [0]
--av_fine_ms t      AV fine-tuning shift t in millisecs [autodetect]

-M mode      demuxer PES AV sync mode (0=off|1=PTS only|2=full) [1]
-O      flush lame mp3 buffer on encoder stop [off]

-r n[,m]      reduce video height/width by n[,m] [off]
-B n[,m[,M]]      resize to height-n*M rows [,width-m*M] columns [off,32]
-X n[,m[,M]]      resize to height+n*M rows [,width+m*M] columns [off,32]
-Z wxh      resize to w columns, h rows with filtering [off]
--zoom_filter string     use filter string for video resampling -Z [Lanczos3]
-C mode      enable anti-aliasing mode (1-3) [off]
--antialias_para w,b      center pixel weight, xy-bias [0.333,0.500]

-I mode      enable de-interlacing mode (1-3) [off]
-K      enable b/w mode [off]
-G val      gamma correction (0.0-10.0) [off]
-z      flip video frame upside down [off]
-l      mirror video frame [off]
-k      swap red/blue (Cb/Cr) in video frame [off]

-j t[,l[,b[,r]]]      select frame region by clipping border [off]
-Y t[,l[,b[,r]]]      select (encoder) frame region by clipping border [off]
--pre_clip t[,l[,b[,r]]]     select initial frame region by clipping border [off]
--post_clip t[,l[,b[,r]]]     select final frame region by clipping border [off]

-w b[,k[,c]]      encoder bitrate[,keyframes[,crispness]] [(6000 for MPEG 1/2, 1800 for others),250,100]
--video_max_bitrate      maximum bitrate when encoding variable bitrate MPEG-2 streams
-R n[,f1[,f2]]      enable multi-pass encoding (0-3) [0,divx4.log,pcm.log]
-Q n[,m]      encoding[,decoding] quality (0=fastest-5=best) [5,5]
--divx_quant min,max      divx encoder min/max quantizer [2,31]
--divx_rc p,rp,rr      divx encoder rate control parameter [2000,10,20]

-c f1-f2      encode only frames f1-f2 [all]
-t n,base      split output to base%03d.avi with n frames [off]
--dir_mode base      process directory contents to base-%03d.avi [off]
--frame_interval N     select only every Nth frame to be exported [1]

-U base      process DVD in chapter mode to base-ch%02d.avi [off]
-T t[,c[-d][,a]]     select DVD title[,chapter(s)[,angle]] [1,1,1]

-W n,m[,file]      autosplit and process part n of m (VOB only) [off]
--cluster_percentage      use percentage mode for cluster encoding -W [off]
--cluster_chunks a-b     process chunk range instead of selected chunk [off]
-S unit[,s1-s2]      process program stream unit[,s1-s2] sequences [0,all]
-L n      seek to VOB stream offset nx2kB [0]

--import_v4l n[,id]      channel number and station number or name [0]
--record_v4l a-b      recording time interval in seconds [off]
--duration hh:mm:ss      limit v4l recording to this duration [off]
--pulldown      set MPEG 3:2 pulldown flags on export [off]
--encode_fields      enable field based encoding (if supported) [off]

--nav_seek file      use VOB navigation file [off]
--psu_mode      process VOB in PSU, -o is a filemask incl. %d [off]
--psu_chunks a-b      process only selected units a-b for PSU mode [all]
--no_split      encode to single file in chapter/psu mode [off]
--ts_pid 0xnn      transport video stream pid [0]

--a52_drc_off      disable liba52 dynamic range compression [enabled]
--a52_demux      demux AC3/A52 to separate channels [off]
--a52_dolby_off      disable liba52 dolby surround [enabled]

--print_status N[,use_cr]     print status every N frames / use CR or NL [1,1]
--progress_off      disable progress meter status line [off]
--write_pid file      write pid of signal thread to "file" [off]
--accel type      enforce IA32 acceleration for type [autodetect]

-q level      verbosity (0=quiet,1=info,2=debug) [1]
-h      this usage message
-v      print version
--more_help param      more help on named parameter