jacktransport
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## jacktransport

jacktransport — Start/stop jack_transport and can optionally relocate the playback head.

| Note
plugin: Requires jackTransport plugin

## Description

Plugin opcode in jackTransport.

Start/stop jack_transport and can optionally relocate the playback head.

## Syntax

    jacktransport icommand [, ilocation]

## Initialization

icommand -- 1 to start playing, 0 to stop.

ilocation -- optional location in seconds to specify where the playback head should be moved. If omitted, the transport is started from current location.

| Note
Since jacktransport depends on jack audio connection kit, it will work only on Linux or Mac OS X systems which have the jack server running.

## Examples

Here is a simple example of the jacktransport opcode. It uses the file jacktransport.csd.

Example 459. Simple example of the jacktransport opcode.

    <CsoundSynthesizer>

    <CsOptions>
    -+rtaudio=JACK -b 64 --sched  -o dac:system:playback_
    </CsOptions>

    <CsInstruments>
    sr      =      	44100
    ksmps  	=     	16
    nchnls	=	2

    	instr 1
    jacktransport p4, p5
    	endin

    	instr 2
    jacktransport p4
    	endin

    </CsInstruments>
    <CsScore>

    i2 0 5 1; play
    i2 5 1 0; stop
    i1 6 5 1 2 ; move at 2 seconds and start playing back
    i1 11 1 0 0 ; stop and rewind

    e

    </CsScore>
     </CsoundSynthesizer>

## Credits

Author: Cesare Marilungo

New in version 5.08

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