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tcmodchain(1)		    General Commands Manual		 tcmodchain(1)

NAME
       tcmodchain - Query compatibily of transcode modules chains.

SYNOPSIS
       tcmodchain [ -m path ] [	-C ] [ -L ] [ -d verbosity ] [ -v ] module1
       module2

COPYRIGHT
       tcmodchain is Copyright (C) by Transcode	Team

DESCRIPTION
       tcmodchain allow	to inspect transcode(1)	modules, as well as it's com-
       panion, tcmodinfo(1). While tcmodinfo(1)	focus on single	modules, tc-
       modchain	is intended to help in exploring/experimenting module interac-
       tions.

OPTIONS
       -m path
	      Look in Path instead of the compiled-in module path while	trying
	      to load a	module.

       -C     Enable check mode.
	      In check mode tcmodchain expects exactly two module identifiers.
	      tcmodchain will check compatibilty between two given modules.
	      Result will be logged out	or not depending of verbosity level.
	      Anyway, if two modules are compatible, tcmodchain	will exit suc-
	      cesfully;	otherwise, tcmodchain will exit	with error.
	      see RETURN VALUES	below.

       -L     Enable list mode.
	      In list mode tcmodchain expects exactly two module identifiers,
	      exactly one of which containing a	wildcard.  tcmodchain will in-
	      spect all	avalaible installed modules matching the wildcard and
	      will print out module names that are compatible with the other
	      given one. if at least one compatible module is found, tcmod-
	      chain will exit succesfully; otherwise, tcmodchain will exit
	      with error.
	      see RETURN VALUES	below.

       -d verbosity
	      Specify the verbosiness level to use, like transcode does. De-
	      fault value is 1 (TC_INFO	verbosiness).

       -v     Print version information	and exit.

MODULE IDENTIFIERS
       tcmodchain identifies modules using a type:name naming scheme. Cur-
       rently, as in transcode 1.1.0, only encode and multiplex	module types
       are supported. name can refer to	the name of any	avalaible transcode
       modules,	using the same rules of	tcmodinfo(1) -i	option.	 The wildcard
       character * is supported	in the name section of module identifier.
       Wildcard	meaning	is `any	of avalaible modules' and is honoured only
       when list mode (-L option) is used. Using wildcard character for	both
       module identifiers will lead to an error.

EXAMPLES
       $ tcmodchain -C encode:null multiplex:null -d 1

       [encode_null.so]	v0.0.3 (2005-06-05) null (fake)	A/V encoder
       [multiplex_null.so] v0.0.2 (2005-12-29) discard each encoded frame
       [tcmodchain] encode:null	| multiplex:null [OK]
       [tcmodchain] module chain OK

       $ tcmodchain -L 'encode:*' multiplex:null

       copy
       faac
       lame
       lzo
       null
       x264
       xvid

       PLEASE NOTE that	output of this example may vary	depending of your in-
       stallation.
       At least	null and copy modules will be showed on	your output.

       $ tcmodchain -L encode:null 'multiplex:*'

       avi
       null
       raw
       y4m

RETURN VALUES
       tcmodchain uses following return	values:
	0  successfull
	1  bad parameter or command line option
	2  error while (un)loading a module
	3  given module	pair isn't compatible
	4  error while looking for module(s)

AUTHORS
       tcmodchain was written by Francesco Romani
       <fromani@gmail.com> with	contributions from many	others.	 See AUTHORS
       for details.

SEE ALSO
       transcode(1) tcmodinfo(1)

tcmodchain(1)			5 January 2006			 tcmodchain(1)

NAME | SYNOPSIS | COPYRIGHT | DESCRIPTION | OPTIONS | MODULE IDENTIFIERS | EXAMPLES | RETURN VALUES | AUTHORS | SEE ALSO

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