Problem with AWK. Post: 302338053

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gst-launch

GStreamer(1)						      General Commands Manual						      GStreamer(1)

NAME

       gst-launch - build and run a GStreamer pipeline

SYNOPSIS

       gst-launch [OPTION...] PIPELINE-DESCRIPTION

DESCRIPTION

       gst-launch is a tool that builds and runs basic GStreamer pipelines.

       In  simple  form, a PIPELINE-DESCRIPTION is a list of elements separated by exclamation marks (!).  Options may be appended to elements, in
       the form "option=value".  A group of elements surrounded by curly braces {, } will be executed in a separate thread.

       Connections between non-consecutive elements are created by specifying a element names and pad  names  immediately  before  and	after  the
       exclamation  mark,  in the form "element0.sinkpad!element1.srcpad".  The default name given to an element is the name of its class followed
       by an index.  If the element names are omitted, the previous and next elements in the PIPELINE-DESCRIPTION will be used.  If the pad  names
       are omitted, a default pad of the correct type (source or sink) is found on the given element, typically named "src" or "sink".

       See the GStreamer documentation for a complete description of a a PIPELINE-DESCRIPTION.

EXAMPLES

       The examples below assume that you have the correct plug-ins available.	In general, "osssink" can be substituted with another audio output
       plug-in such as "esdsink", "alsasink", or "artsdsink".  Likewise, "xvideosink" can be substituted with "sdlvideosink" or "aasink".

       Audio playback

       Play the mp3 music file "music.mp3" using a libmad-based plug-in and output to an OSS device:

	    gst-launch filesrc location=music.mp3 ! mad ! osssink

       Play an Ogg Vorbis format file:

	    gst-launch filesrc location=music.ogg ! vorbisfile ! osssink

       Play an mp3 file or stream retrieved via http:

	    gst-launch httpsrc location=http://domain.com/music.mp3 ! mad ! osssink

       Play an mp3 file or stream using GNOME-VFS:

	    gst-launch gnomevfssrc location=music.mp3 ! mad ! osssink

	    gst-launch gnomevfssrc location=http://domain.com/music.mp3 ! mad ! osssink

       Use GNOME-VFS to play an mp3 file located on an SMB server:

	    gst-launch gnomevfssrc location=smb://computer/music.mp3 ! mad ! osssink

       Format conversion

       Convert an mp3 music file to an Ogg Vorbis file:

	    gst-launch filesrc location=music.mp3 ! mad ! vorbisenc ! filesink location=music.ogg

       Alternatively, to convert to the FLAC format, use the command line:

	    gst-launch filesrc location=claptrap.mp3 ! mad ! flacenc ! filesink location=test.flac

       Other

       Plays a .WAV file:

	    gst-launch filesrc location=music.wav ! wavparse ! osssink

       Convert a .WAV file into Ogg Vorbis (or mp3) file:

	    gst-launch filesrc location=music.wav ! wavparse ! vorbisenc ! filesink location=music.ogg

	    gst-launch filesrc location=music.wav ! wavparse ! mpegaudio ! filesink location=music.mp3

       Alternatively, if you have lame installed (and have the lame plug-in), you can substitute lame for mpegaudio in the previous  example.	It
       gives better results than mpegaudio.

       Rip all tracks from compact disc and convert them into a single mp3 file:

	    gst-launch cdparanoia ! mpegaudio ! filesink location=cd.mp3

       Using gst-inspect, it is possible to discover settings for cdparanoia that will tell it to rip individual tracks.

       Record sound from your audio input and encode it into an ogg file:

	    gst-launch osssrc ! vorbisenc ! filesink location=input.ogg

       Video

       Display	only the video portion of an MPEG-1 video file, outputting to an X display window (The "queue" element is necessary to buffer data
       between the threads):

	    gst-launch filesrc location=JB_FF9_TheGravityOfLove.mpg ! mpegdemux video_%02d!src { queue ! mpeg2dec ! xvideosink }

       Display the video portion of a .vob file (used on DVDs), outputting to an SDL window:

	    gst-launch filesrc location=/flflfj.vob ! mpegdemux video_%02d!src { queue ! mpeg2dec ! sdlvideosink }

       Play both video and audio portions of an MPEG movie:

	    gst-launch filesrc location=movie.mpg ! mpegdemux video_%02d!src { queue ! mpeg2dec ! sdlvideosink } mpegdemux0.audio_%02d!src { queue
       ! mad ! osssink }

       Play an AVI movie:

	    gst-launch filesrc location=movie.avi ! avidemux video_%02d!src { queue ! windec ! sdlvideosink }

       Network streaming

       An MPEG-1 system stream can be streamed via RTP from one machine to another.  On the receiver, execute:

	    gst-launch rtprecv media_type=mpeg1_sys ! mpegdemux video_%02d!src { queue ! mpeg2dec ! xvideosink } mpegdemux0.audio_%02d!src { queue
       ! mad ! osssink }

       On the transmitter, execute:

	    gst-launch filesrc location=mpeg1system.mpeg ! mpegparse ! rtpsend ip=IPorHostname

       Diagnostic

       Generate a null stream and ignore it:

	    gst-launch fakesrc ! fakesink

       Generate a pure tone to test the audio output:

	    gst-launch sinesrc ! osssink

       Generate a familiar test pattern to test the video output:

	    gst-launch videotestsrc ! xvideosink

OPTIONS

       gst-launch accepts the following options:

       --help  Print help synopsis and available FLAGS

       --silent
	       Do not output status information

       --exclude=TYPE, -XTYPE
	       Do not output status information of TYPE

       --output=FILE, -oFILE
	       Save XML representation of pipeline to FILE and exit

       --gst-info-mask=FLAGS
	       GStreamer info flags to set (list with --help)

       --gst-debug-mask=FLAGS
	       GStreamer debugging flags to set (list with --help)

       --gst-mask=FLAGS
	       GStreamer info and debugging flags to set (list with --help)

       --gst-plugin-spew
	       GStreamer info flags to set Enable printout of errors while loading GStreamer plugins

       --gst-plugin-path=PATH
	       Add directories separated with ':' to the plugin search path

SEE ALSO

       gst-complete(1), gst-register(1), gst-inspect(1)

AUTHOR

       The GStreamer team at http://gstreamer.net/

								    March 2001							      GStreamer(1)

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gst-launch