JACK support to ecasound's interactive mode

Ecasound development item (edi-35). Now tracked here at sf.net.

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(edi-35): JACK support to ecasound's interactive mode (EIAM)
- submitted: kaiv, 16.11.2002
- frozen: kaiv, 20.08.2003
- unfrozen: kaiv, 20.09.2008
- partially implemented: kaiv, 20.09.2008 (2.6.x)

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Reasons for not implementing:

- duplicated effort with projects like 'qjackconnect',
'jackd_plumbing', 'jackctl', and various others
implementing good set of features (especially client and port name
completion is not a trivial job)

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Details:

- add a set of commands to control JACK using EIAM commands
- provided services
- connecting and disconnection ports
- jack-connect <srcport>,<targetport>
- jack-disconnect --"--
- querying list of (all) connections
- jack-get-connections <port>
- querying port and total latency
- jack-get-latency <port>
- jack-get-total-latency <port>
- querying timebase state
- and so on...
- new functionality compared to existing command-line JACK tools
- interactive shell with command completion and command
history
- use via the ecasound control API (interfaces available
for C++, C, lisp, perl, php, python)
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