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move JACK audio backend to its own folder and adjust build system to reflect that (installed version may now work)

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Paul Davis 2013-09-07 11:03:57 -04:00
parent e435f22793
commit f4cf283f26
14 changed files with 93 additions and 17 deletions
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102
libs/backends/jack/jack_api.cc Normal file
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/*
Copyright (C) 2013 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "jack_connection.h"
#include "jack_audiobackend.h"
#include "jack_portengine.h"
using namespace ARDOUR;
static boost::shared_ptr<JACKAudioBackend> backend;
static boost::shared_ptr<JACKPortEngine> port_engine;
static boost::shared_ptr<JackConnection> jack_connection;
static boost::shared_ptr<AudioBackend>
backend_factory (AudioEngine& ae)
{
if (!jack_connection) {
return boost::shared_ptr<AudioBackend>();
}
if (!backend) {
backend.reset (new JACKAudioBackend (ae, jack_connection));
}
return backend;
}
static boost::shared_ptr<PortEngine>
portengine_factory (PortManager& pm)
{
if (!jack_connection) {
return boost::shared_ptr<PortEngine>();
}
if (!port_engine) {
port_engine.reset (new JACKPortEngine (pm, jack_connection));
}
return port_engine;
}
static int
instantiate (const std::string& arg1, const std::string& arg2)
{
try {
jack_connection.reset (new JackConnection (arg1, arg2));
} catch (...) {
return -1;
}
return 0;
}
static int
deinstantiate ()
{
port_engine.reset ();
backend.reset ();
jack_connection.reset ();
return 0;
}
static bool
already_configured ()
{
return JackConnection::server_running ();
}
extern "C" {
/* functions looked up using dlopen-and-cousins, and so naming scope
* must be non-mangled.
*/
ARDOUR::AudioBackendInfo descriptor = {
"JACK",
instantiate,
deinstantiate,
backend_factory,
portengine_factory,
already_configured,
};
}