@@ -153,12 +153,16 @@ specified for the inputs.

 @table @option

 @item -L

 show license

+

 @item -h

 show help

+

 @item -formats

 show available formats, codecs, protocols, ...

+

 @item -f fmt              

 force format

+

 @item -i filename         

 input file name

@@ -181,22 +185,55 @@ set the copyright

 @item -comment string     

 set the comment

+@item -hq                 

+activate high quality settings

+

 @end table

 @section Video Options

 @table @option

-@item -s size             

-set frame size                       [160x128]

-@item -r fps           

-set frame rate                       [25]

 @item -b bitrate

-set the video bitrate in kbit/s      [200]

+set the video bitrate in kbit/s (default = 200 kb/s)

+@item -r fps           

+set frame rate (default = 25)

+@item -s size             

+set frame size. The format is @samp{WxH}. (default 160x128)

+The following abbreviations are regognized:

+@table @sampe

+@item sqcif

+128x96

+@item qcif

+176x144

+@item cif

+352x288

+@item 4cif

+704x576

+@end table

+

+@item -aspect aspect

+set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)

+@item -croptop size

+set top crop band size (in pixels)

+@item -cropbottom size

+set bottom crop band size (in pixels)

+@item -cropleft size

+set left crop band size (in pixels)

+@item -cropright size

+set right crop band size (in pixels)

 @item -vn

-disable video recording              [no]

+disable video recording

 @item -bt tolerance       

 set video bitrate tolerance (in kbit/s)

-@item -sameq              

+@item -maxrate bitrate

+set max video bitrate tolerance (in kbit/s)

+@item -minrate bitrate

+set min video bitrate tolerance (in kbit/s)

+@item -bufsize size

+set ratecontrol buffere size (in kbit)

+@item -vcodec codec       

+force video codec

+@item -sameq

 use same video quality as source (implies VBR)

 @item -pass n  

@@ -207,26 +244,9 @@ select two pass log file name

 @end table

-@section Audio Options

-

-@table @option

-@item -ab bitrate         

-set audio bitrate (in kbit/s)

-@item -ar freq    

- set the audio sampling freq          [44100]

-@item -ab bitrate 

- set the audio bitrate in kbit/s      [64]

-@item -ac channels

- set the number of audio channels     [1]

-@item -an     

- disable audio recording              [no]

-@end table

-

-@section Advanced options

+@section Advanced Video Options

 @table @option

-@item -map file:stream    

-set input stream mapping

 @item -g gop_size         

 set the group of picture size

 @item -intra              

@@ -243,33 +263,245 @@ max difference between the quantiser scale (VBR)

 video quantiser scale blur (VBR)

 @item -qcomp compression  

 video quantiser scale compression (VBR)

-@item -vd device          

-set video device

-@item -vcodec codec       

-force video codec

-@item -me method          

-set motion estimation method

-@item -bf frames          

+

+@item -rc_init_cplx complexity

+initial complexity for 1-pass encoding

+@item -b_qfactor factor

+qp factor between p and b frames

+@item -i_qfactor factor

+qp factor between p and i frames

+@item -b_qoffset offset

+qp offset between p and b frames

+@item -i_qoffset offset

+qp offset between p and i frames

+@item -rc_eq equation

+set rate control equation (@pxref{FFmpeg formula evaluator})

+@item -rc_override override_string

+rate control override for specific internals

+@item -me method

+set motion estimation method. Available methods are (from lower to best quality):

+@table @samp

+@item zero

+Try just (0, 0) vector.

+@item phods

+@item log

+@item x1

+@item epzs

+(default method)

+@item full

+exhaustive search (slow and marginally better than epzs)

+@end table

+

+@item -dct_algo algo

+set dct algo

+@table @samp

+@item 0

+FF_DCT_AUTO (default)

+@item 1

+FF_DCT_FASTINT

+@item 2

+FF_DCT_INT

+@item 3

+FF_DCT_MMX

+@item 4

+FF_DCT_MLIB

+@item 5

+FF_DCT_ALTIVEC

+@end table

+

+@item -idct_algo algo

+set idct algo

+@table @samp

+@item 0

+FF_IDCT_AUTO (default)

+@item 1

+FF_IDCT_INT          

+@item 2

+FF_IDCT_SIMPLE       

+@item 3

+FF_IDCT_SIMPLEMMX    

+@item 4

+FF_IDCT_LIBMPEG2MMX  

+@item 5

+FF_IDCT_PS2          

+@item 6

+FF_IDCT_MLIB         

+@item 7

+FF_IDCT_ARM          

+@item 8

+FF_IDCT_ALTIVEC      

+@item 9

+FF_IDCT_SH4          

+@item 10

+FF_IDCT_SIMPLEARM    

+@end table

+

+@item -er n

+set error resilience to 'n'

+@table @samp

+@item 1 

+FF_ER_CAREFULL

+@item 2

+FF_ER_COMPLIANT (default)

+@item 3

+FF_ER_AGGRESSIVE

+@item 4

+FF_ER_VERY_AGGRESSIVE

+@end table

+

+@item -ec n

+set error concealment to n

+@table @samp

+@item 1

+FF_EC_GUESS_MVS

+@item 2

+FF_EC_DEBLOCK

+@end table

+

+@item -bf frames

 use 'frames' B frames (only MPEG-4)

-@item -hq                 

-activate high quality settings

-@item -4mv                

+@item -mbd mode

+macroblock decision

+@table @samp

+@item 0

+FF_MB_DECISION_SIMPLE: use mb_cmp (cannot change it yet in ffmpeg)

+@item 1

+FF_MB_DECISION_BITS: chooses the one which needs the fewest bits

+@item 2

+FF_MB_DECISION_RD: rate distoration

+@end table

+

+@item -4mv

 use four motion vector by macroblock (only MPEG-4)

-@item -ad device          

-set audio device

+@item -part

+use data partitioning (only MPEG-4)

+@item -bug param

+workaround not auto detected encoder bugs

+@item -strict strictness

+how strictly to follow the standarts

+

+@item -deinterlace

+deinterlace pictures

+@item -psnr

+calculate PSNR of compressed frames

+@item -vstats

+dump video coding statistics to file

+@item -vhook module

+insert video processing @var{module}. @var{module} contains the module

+name and its parameters separated by spaces.

+@item -aic

+enable Advanced intra coding (h263+)

+@item -umv

+enable Unlimited Motion Vector (h263+)

+@end table

+

+@section Audio Options

+

+@table @option

+@item -ab bitrate         

+set audio bitrate (in kbit/s)

+@item -ar freq    

+ set the audio sampling freq (default = 44100 Hz)

+@item -ab bitrate 

+ set the audio bitrate in kbit/s (default = 64)

+@item -ac channels

+ set the number of audio channels (default = 1)

+@item -an     

+ disable audio recording

 @item -acodec codec       

 force audio codec

-@item -deinterlace        

-deinterlace pictures

+@end table

+

+@section Audio/Video grab options

+

+@table @option

+@item -vd device

+set video grab device (e.g. @file{/dev/video0})

+@item -vc channel

+set video grab channel (DV1394 only)

+@item -tvstd standard

+set television standard (NTSC, PAL (SECAM))

+@item -dv1394

+set DV1394 grab

+@item -ad device

+set audio device (e.g. @file{/dev/dsp})

+@end table

+

+@section Advanced options

+

+@table @option

+@item -map file:stream    

+set input stream mapping

+@item -debug

+print specific debug info

 @item -benchmark          

 add timings for benchmarking

 @item -hex                

 dump each input packet

-@item -psnr               

-calculate PSNR of compressed frames

-@item -vstats             

-dump video coding statistics to file

+@item -bitexact

+only use bit exact algorithms (for codec testing)

+@item -ps size

+set packet size in bits

 @end table

+

+@node FFmpeg formula evaluator

+@section FFmpeg formula evaluator

+

+When evaluating a rate control string, FFmpeg uses an internal formula

+evaluator. 

+

+The following binary operators are available: @code{+}, @code{-},

+@code{*}, @code{/}, @code{^}.

+

+The following unary operators are available: @code{+}, @code{-},

+@code{(...)}.

+

+The following functions are available:

+@table @var

+@item sinh(x)

+@item cosh(x)

+@item tanh(x)

+@item sin(x)

+@item cos(x)

+@item tan(x)

+@item exp(x)

+@item log(x)

+@item squish(x)

+@item gauss(x)

+@item abs(x)

+@item max(x, y)

+@item min(x, y)

+@item gt(x, y)

+@item lt(x, y)

+@item eq(x, y)

+@item bits2qp(bits)

+@item qp2bits(qp)

+@end table

+

+The following constants are available:

+@table @var

+@item PI

+@item E

+@item iTex

+@item pTex

+@item tex

+@item mv

+@item fCode

+@item iCount

+@item mcVar

+@item var

+@item isI

+@item isP

+@item isB

+@item avgQP

+@item qComp

+@item avgIITex

+@item avgPITex

+@item avgPPTex

+@item avgBPTex

+@item avgTex

+@end table

+

 @c man end

 @ignore