difference between "QUIET=${QUIET:-yes}" and "QUIET=yes" Post: 302370248

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LEARN ABOUT DEBIAN

tcscan

tcscan(1)						      General Commands Manual							 tcscan(1)

NAME

       tcscan - scan multimedia streams from medium and print information on the standard output

SYNOPSIS

       tcscan -i name [ -x codec ] [ -e r[,b[,c]] ] [ -b bitrate ] [ -w num ] [ -f rate ] [ -d verbosity ] [ -v ]

COPYRIGHT

       tcscan is Copyright (C) by Thomas Oestreich.

DESCRIPTION

       tcscan is part of and usually called by transcode.
       However, it can also be used independently.
       tcscan reads source (from stdin if not explicitely defined) and prints on the standard output.

OPTIONS

       -i name
	      Specify input source.  If ommited, stdin is assumed.
	      You  can	specify a file, directory, device, mountpoint or host address as input source.	tcscan usually handles the different types
	      correctly.

       -d level
	      With this option you can specify a bitmask to enable different levels of verbosity (if supported).  You can combine  several  levels
	      by adding the corresponding values:

	      QUIET	    0

	      INFO	    1

	      DEBUG	    2

	      STATS	    4

	      WATCH	    8

	      FLIST	   16

	      VIDCORE	   32

	      SYNC	   64

	      COUNTER	  128

	      PRIVATE	  256

       -v     Print version information and exit.

NOTES

       tcscan  is  a  front  end  for  scaning various source types and is used in transcode's import modules.	tcscan does a complete scan of the
       source to gather information.

EXAMPLES

       The command tcscan -i foo.avi prints header information about the AVI-file itself and lists details on the video and audio  content,  e.g.,
       keyframes, chunk structure.

       The command cat audio.pcm | tcscan -x pcm -e 48000,16,2 simply determines the playtime lenghth of the raw audio stream.

       The command tcscan -x mp3 -i input.mp3 will print the number of chunks in the MP3 file and the average bitrate.

AUTHORS

       tcscan was written by Thomas Oestreich
       <ostreich@theorie.physik.uni-goettingen.de> with contributions from many others.  See AUTHORS for details.

SEE ALSO

       avifix(1), avisync(1), avimerge(1), avisplit(1), tcprobe(1), tcscan(1), tccat(1), tcdemux(1), tcextract(1), tcdecode(1), transcode(1)

tcscan(1)							23th September 2002							 tcscan(1)