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playdv



SYNOPSIS

       playdv [ options ] file


DESCRIPTION

       playdv  reads  in DV-encoded video data from file and dis­
       plays it on screen.

       -v, --version
              show playdv version number.

       --disable-audio
              skip audio decoding.

       --disable-video
              skip video decoding.

       -n, --num-frames=count
              stop playing after count frames.

       --dump-frames=pattern
              save a PPM image of each  frame  to  an  individual
              file.  pattern determines the file names and may be
              given in printf-style taking one  numeric  argument
              that  gets  replaced with the current frame number.
              Like capture%05d.ppm  for  files  capture00001.ppm,
              capture00002.ppm,  etc.  Use - to stream the frames
              to stdout.

       --no-mmap
              don't use mmap for reading (useful for pipes).

       -l, --loop-count=count
              loop playback count= times, 0 for infinite.

       Audio Output Options

       --audio-device=devicename
              target audio device; e.g. /dev/dsp, which  is  also
              the default.

       --audio-file=file
              send  raw  decoded  audio  stream to file, skipping
              audio ioctls.

       Video Output Options

       -d, --display=(0|1|2|3)
              method  used  to  display  video  data  on  screen:
              0=autoselect  [default],  1=gtk, 2=Xv, 3=SDL. Xv is
              usually the fastest but  requires  XFree86  version
              4.0 or higher with XVideo extensions.

              cess  of  decoding  DV  data  is split into several
              steps.  Each additional step enhances output  qual­
              ity,  but  of  course also slows down decoding.  If
              your machine is too slow to keep up an  interactive
              frame rate, you might want to decrease this number:
              1=DC and no ACs, 2=DC and single-pass for ACs, 3=DC
              and multi-pass for ACs [default].

       -m, --monochrome
              skip decoding of color blocks. Another way to speed
              up the decoding process.

       Audio Decode Options

       -f, --frequency=(0|1|2|3)
              frequency  of  audio  data  in  the  input  stream:
              0=autodetect  [default], 1=32 kHz, 2=44.1 kHz, 3=48
              kHz.

       -Q, --quantization=(0|1|2)
              dynamic range of audio data in  the  input  stream:
              0=autodetect [default], 1=12 bit, 2=16bit.

       -e, --emphasis=(0|1|2)
              first-order  preemphasis  of 50/15 us: 0=autodetect
              [default], 1=on, 2=off.

       Help Options

       -?, --help
              Show help message.

       --usage
              Display brief usage message.


SEE ALSO

       encodedv(1).


AVAILABILITY

       See http://libdv.sourceforge.net/ for the latest  version.


AUTHORS

       playdv   was   written  by  Charles  'Buck'  Krasic  <kra­
       sic@acm.org> and Erik Walthinsen <omega@cse.ogi.edu>.

       This manual page is based on playdv's help message and was
       written  by  Daniel  Kobras  <kobras@debian.org>  for  the
       Debian GNU/Linux system (but may be used by others).

  




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