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8f7b63be04
The man page did not document what happens when multiple ports are specified; this could be misinterpreted as the events being duplicated so that they are played on all ports simultaneously. As suggested by Peter Billam, clarify that these ports are only used for multi-port MIDI files. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
64 lines
1.4 KiB
Groff
64 lines
1.4 KiB
Groff
.TH APLAYMIDI 1 "2 Nov 2011"
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.SH NAME
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aplaymidi \- play Standard MIDI Files
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.SH SYNOPSIS
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.B aplaymidi
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\-p client:port[,...] [\-d delay] midifile ...
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.SH DESCRIPTION
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.B aplaymidi
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is a command-line utility that plays the specified MIDI file(s) to one
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or more ALSA sequencer ports.
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.SH OPTIONS
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.TP
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.I \-h, \-\-help
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Prints a list of options.
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.TP
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.I \-V, \-\-version
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Prints the current version.
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.TP
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.I \-l, \-\-list
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Prints a list of possible output ports.
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.TP
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.I \-p, \-\-port=client:port,...
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Sets the sequencer port(s) to which the events in the MIDI file(s) are
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sent.
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A client can be specified by its number, its name, or a prefix of its
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name. A port is specified by its number; for port 0 of a client, the
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":0" part of the port specification can be omitted.
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Multiple ports can be specified to allow playback of MIDI file(s) that
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contain events for multiple devices (ports), as specified by "Port
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Number" meta events.
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For compatibility with
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.B pmidi(1),
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the port specification is taken from the
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.I ALSA_OUTPUT_PORTS
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environment variable if none is given on the command line.
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.TP
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.I \-d, \-\-delay=seconds
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Specifies how long to wait after the end of each MIDI file,
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to allow the last notes to die away.
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.SH BUGS
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.B aplaymidi
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handles "Port Number" meta events, but not "Port Name" meta events.
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.SH SEE ALSO
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pmidi(1)
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.br
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playmidi(1)
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.SH AUTHOR
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Clemens Ladisch <clemens@ladisch.de>
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