fiascotopnm - Convert compressed FIASCO image to PGM, or PPM


   fiascotopnm [option]...  [filename]...


   fiascotopnm  decompresses the named FIASCO files, or the Standard Input
   if no file is named, and writes  the  images  as  PGM,  or  PPM  files,
   depending on whether the FIASCO image is black and white or color.


   All  option  names  may  be  abbreviated;  for example, --output may be
   written --outp or --ou. For all options an one letter short  option  is
   provided. Mandatory or optional arguments to long options are mandatory
   or optional for short options, too. Both short  and  long  options  are
   case sensitive.

   -o[name], --output=[name]
          Write  decompressed  image  to  the  file  name.ppm  (if PPM) or
          name.pgm (if PGM).  If name=- then produce the image file on the
          standard output. The optional argument name can be omitted, then
          the input filename is used as basename with the suffix  .ppm  or
          .pgm.  In  case  of  video streams, the frames are stored in the
          files name.N.ppm where N is the frame number (of the form  00..0
          -  99..9);  output  on  the standard output is not possible with
          video streams.

          If  name  is  a  relative  path  and  the  environment  variable
          FIASCO_IMAGES  is  a (colon-separated) list of directories, then
          the output file(s) are written to the first (writable) directory
          of  this list. Otherwise, the current directory is used to store
          the output file(s).

   -z, --fast
          Decompress images in the 4:2:0 format; i.e., each chroma channel
          is decompressed to an image of halved width and height. Use this
          option on slow machines when  the  desired  frame  rate  is  not
          achieved; the output quality is only slightly decreased.

   -d, --double
          Double  the  size of the X11 window both in width and height; no
          pixel interpolation is used, each pixel is just replaced by four
          identical pixels.

   -p, --panel
          Show  a panel with play, stop, pause, record and exit buttons to
          control the display of videos. When pressing the record  button,
          all  frames  are  decompressed  and  stored in memory. The other
          buttons work in the usual way.

   -m N, --magnify=N
          Set magnification of the  decompressed  image.  Positive  values
          enlarge and negative values reduce the image width and height by
          a factor of 2^|N|.

   -s N, --smooth=N
          Smooth decompressed image(s) along the partitioning  borders  by
          the  given  amount N. N is 1 (minimum) to 100 (maximum); default
          is 70. When N=0, then the  smoothing  amount  specified  in  the
          FIASCO file is used (defined by the FIASCO coder).

   -F N, --fps=N
          Set  number  of  frames per second to N. When using this option,
          the frame rate specified in the FIASCO file is overridden.

   -v, --version
          Print fiascotopnm version number, then exit.

   -f name, --config=name
          Load  parameter  file  name  to  initialize   the   options   of
          fiascotopnm.   See  file  system.fiascorc  for an example of the
          syntax. Options of fiascotopnm are set by any of  the  following
          methods (in the specified order):

          1) Global ressource file /etc/system.fiascorc

          2) $HOME/.fiascorc

          3) command line

          4) --config=name

   -h, --info
          Print brief help, then exit.

   -H, --help
          Print detailed help, then exit.


   fiascotopnm foo.wfa >foo.ppm
          Decompress the FIASCO file "foo.wfa" and store it as "foo.ppm".

   fiascotopnm -o foo1.wfa foo2.wfa
          Decompress  the FIASCO files "foo1.wfa" and "foo2.wfa" and write
          the frames to the image files "foo1.wfa.ppm" and "foo2.wfa.ppm".

   fiascotopnm -oimage foo1.wfa
          Decompress the FIASCO file "foo1.wfa" and write all 15 frames to
          the image files "image.00.ppm", ... , "image.14.ppm".

   fiascotopnm --fast --magnify=-1 --double video.wfa >stream.ppm
          Decompress the FIASCO file "video.wfa".  The decompression speed
          is as fast as possible: the  image  is  decompressed  (in  4:2:0
          format)  at  a  quarter  of its original size; then the image is
          enlarged again by pixel doubling.


          The systemwide initialization file.
          The personal initialization file.


          Save path for image files. Default is "./".
          Search path for FIASCO files. Default is "./".


   pnmtofiasco(1), pnm(5)

   Ullrich Hafner,  Juergen  Albert,  Stefan  Frank,  and  Michael  Unger.
   Weighted  Finite  Automata  for  Video  Compression,  IEEE  Journal  on
   Selected Areas In Communications, January 1998
   Ullrich Hafner. Low Bit-Rate  Image  and  Video  Coding  with  Weighted
   Finite   Automata,   Ph.D.   thesis,   Mensch   &   Buch  Verlag,  ISBN
   3-89820-002-7, October 1999.


   Ullrich Hafner <>

                             July 12, 2000                  fiascotopnm(1)


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