b65f8073ba
git-svn-id: svn://localhost/ardour2/branches/3.0@5403 d708f5d6-7413-0410-9779-e7cbd77b26cf
871 lines
18 KiB
C++
871 lines
18 KiB
C++
/*
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* Copyright (C) 2006 Paul Davis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include <iostream>
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#include <fstream>
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#include <cstdio>
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#include <cstdlib>
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#include <cerrno>
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#include <algorithm>
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#include <sys/poll.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <glibmm/miscutils.h>
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#include <pbd/pthread_utils.h>
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#include <pbd/file_utils.h>
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#include <pbd/filesystem.h>
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#include <pbd/failed_constructor.h>
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#include <ardour/session.h>
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#include <ardour/route.h>
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#include <ardour/audio_track.h>
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#include <ardour/midi_track.h>
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#include <ardour/dB.h>
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#include <ardour/filesystem_paths.h>
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#include "osc.h"
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#include "osc_controllable.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace sigc;
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using namespace std;
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#ifdef DEBUG
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static void error_callback(int num, const char *m, const char *path)
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{
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fprintf(stderr, "liblo server error %d in path %s: %s\n", num, path, m);
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}
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#else
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static void error_callback(int, const char *, const char *)
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{
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}
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#endif
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OSC::OSC (Session& s, uint32_t port)
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: ControlProtocol (s, "OSC")
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, _port(port)
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{
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_shutdown = false;
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_osc_server = 0;
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_osc_unix_server = 0;
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_osc_thread = 0;
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_namespace_root = "/ardour";
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_send_route_changes = true;
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// "Application Hooks"
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session_loaded (s);
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session->Exported.connect( mem_fun( *this, &OSC::session_exported ) );
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/* catch up with existing routes */
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boost::shared_ptr<RouteList> rl = session->get_routes ();
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route_added (*(rl.get()));
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// session->RouteAdded.connect (mem_fun (*this, &OSC::route_added));
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}
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OSC::~OSC()
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{
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stop ();
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}
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int
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OSC::set_active (bool yn)
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{
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if (yn) {
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return start ();
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} else {
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return stop ();
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}
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}
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bool
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OSC::get_active () const
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{
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return _osc_server != 0;
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}
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int
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OSC::set_feedback (bool yn)
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{
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_send_route_changes = yn;
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return 0;
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}
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bool
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OSC::get_feedback () const
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{
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return _send_route_changes;
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}
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int
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OSC::start ()
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{
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char tmpstr[255];
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if (_osc_server) {
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/* already started */
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return 0;
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}
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for (int j=0; j < 20; ++j) {
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snprintf(tmpstr, sizeof(tmpstr), "%d", _port);
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if ((_osc_server = lo_server_new (tmpstr, error_callback))) {
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break;
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}
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#ifdef DEBUG
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cerr << "can't get osc at port: " << _port << endl;
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#endif
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_port++;
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continue;
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}
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#ifdef ARDOUR_OSC_UNIX_SERVER
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// APPEARS sluggish for now
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// attempt to create unix socket server too
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snprintf(tmpstr, sizeof(tmpstr), "/tmp/sooperlooper_XXXXXX");
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int fd = mkstemp(tmpstr);
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if (fd >= 0 ) {
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unlink (tmpstr);
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close (fd);
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_osc_unix_server = lo_server_new (tmpstr, error_callback);
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if (_osc_unix_server) {
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_osc_unix_socket_path = tmpstr;
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}
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}
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#endif
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cerr << "OSC @ " << get_server_url () << endl;
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PBD::sys::path url_file;
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if (find_file_in_search_path (ardour_search_path() + system_config_search_path(),
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"osc_url", url_file)) {
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_osc_url_file = url_file.to_string();
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ofstream urlfile;
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urlfile.open(_osc_url_file.c_str(), ios::trunc);
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if ( urlfile )
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{
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urlfile << get_server_url () << endl;
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urlfile.close();
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}
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else
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{
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cerr << "Couldn't write '" << _osc_url_file << "'" <<endl;
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}
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}
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register_callbacks();
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// lo_server_thread_add_method(_sthread, NULL, NULL, OSC::_dummy_handler, this);
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if (!init_osc_thread()) {
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return -1;
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}
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return 0;
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}
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int
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OSC::stop ()
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{
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if (_osc_server == 0) {
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/* already stopped */
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return 0;
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}
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// stop server thread
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terminate_osc_thread();
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lo_server_free (_osc_server);
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_osc_server = 0;
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if (!_osc_unix_socket_path.empty()) {
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// unlink it
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unlink(_osc_unix_socket_path.c_str());
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}
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if (! _osc_url_file.empty() ) {
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unlink(_osc_url_file.c_str() );
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}
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return 0;
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}
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void
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OSC::register_callbacks()
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{
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lo_server srvs[2];
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lo_server serv;
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srvs[0] = _osc_server;
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srvs[1] = _osc_unix_server;
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for (size_t i = 0; i < 2; ++i) {
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if (!srvs[i]) {
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continue;
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}
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serv = srvs[i];
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/* this is a special catchall handler */
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lo_server_add_method (serv, 0, 0, _catchall, this);
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#define REGISTER_CALLBACK(serv,path,types, function) lo_server_add_method (serv, path, types, OSC::_ ## function, this)
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REGISTER_CALLBACK (serv, "/ardour/add_marker", "", add_marker);
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REGISTER_CALLBACK (serv, "/ardour/access_action", "s", access_action);
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REGISTER_CALLBACK (serv, "/ardour/loop_toggle", "", loop_toggle);
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REGISTER_CALLBACK (serv, "/ardour/goto_start", "", goto_start);
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REGISTER_CALLBACK (serv, "/ardour/goto_end", "", goto_end);
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REGISTER_CALLBACK (serv, "/ardour/rewind", "", rewind);
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REGISTER_CALLBACK (serv, "/ardour/ffwd", "", ffwd);
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REGISTER_CALLBACK (serv, "/ardour/transport_stop", "", transport_stop);
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REGISTER_CALLBACK (serv, "/ardour/transport_play", "", transport_play);
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REGISTER_CALLBACK (serv, "/ardour/set_transport_speed", "f", set_transport_speed);
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REGISTER_CALLBACK (serv, "/ardour/save_state", "", save_state);
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REGISTER_CALLBACK (serv, "/ardour/prev_marker", "", prev_marker);
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REGISTER_CALLBACK (serv, "/ardour/next_marker", "", next_marker);
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REGISTER_CALLBACK (serv, "/ardour/undo", "", undo);
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REGISTER_CALLBACK (serv, "/ardour/redo", "", redo);
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REGISTER_CALLBACK (serv, "/ardour/toggle_punch_in", "", toggle_punch_in);
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REGISTER_CALLBACK (serv, "/ardour/toggle_punch_out", "", toggle_punch_out);
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REGISTER_CALLBACK (serv, "/ardour/rec_enable_toggle", "", rec_enable_toggle);
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REGISTER_CALLBACK (serv, "/ardour/toggle_all_rec_enables", "", toggle_all_rec_enables);
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REGISTER_CALLBACK (serv, "/ardour/routes/mute", "ii", route_mute);
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REGISTER_CALLBACK (serv, "/ardour/routes/solo", "ii", route_solo);
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REGISTER_CALLBACK (serv, "/ardour/routes/recenable", "ii", route_recenable);
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REGISTER_CALLBACK (serv, "/ardour/routes/gainabs", "if", route_set_gain_abs);
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REGISTER_CALLBACK (serv, "/ardour/routes/gaindB", "if", route_set_gain_dB);
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#if 0
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REGISTER_CALLBACK (serv, "/ardour/*/#current_value", "", current_value);
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REGISTER_CALLBACK (serv, "/ardour/set", "", set);
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#endif
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#if 0
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// un/register_update args= s:ctrl s:returl s:retpath
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lo_server_add_method(serv, "/register_update", "sss", OSC::global_register_update_handler, this);
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lo_server_add_method(serv, "/unregister_update", "sss", OSC::global_unregister_update_handler, this);
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lo_server_add_method(serv, "/register_auto_update", "siss", OSC::global_register_auto_update_handler, this);
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lo_server_add_method(serv, "/unregister_auto_update", "sss", OSC::_global_unregister_auto_update_handler, this);
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#endif
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}
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}
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bool
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OSC::init_osc_thread ()
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{
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// create new thread to run server
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if (pipe (_request_pipe)) {
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cerr << "Cannot create osc request signal pipe" << strerror (errno) << endl;
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return false;
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}
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if (fcntl (_request_pipe[0], F_SETFL, O_NONBLOCK)) {
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cerr << "osc: cannot set O_NONBLOCK on signal read pipe " << strerror (errno) << endl;
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return false;
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}
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if (fcntl (_request_pipe[1], F_SETFL, O_NONBLOCK)) {
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cerr << "osc: cannot set O_NONBLOCK on signal write pipe " << strerror (errno) << endl;
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return false;
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}
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setstacksize(&attr, 500000);
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pthread_create_and_store (X_("OSC"), &_osc_thread, &attr, &OSC::_osc_receiver, this);
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if (!_osc_thread) {
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return false;
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}
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pthread_attr_destroy(&attr);
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//pthread_detach (_osc_thread);
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return true;
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}
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void
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OSC::terminate_osc_thread ()
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{
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void* status;
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_shutdown = true;
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poke_osc_thread ();
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pthread_join (_osc_thread, &status);
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}
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void
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OSC::poke_osc_thread ()
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{
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char c;
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if (write (_request_pipe[1], &c, 1) != 1) {
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cerr << "cannot send signal to osc thread! " << strerror (errno) << endl;
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}
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}
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std::string
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OSC::get_server_url()
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{
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string url;
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char * urlstr;
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if (_osc_server) {
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urlstr = lo_server_get_url (_osc_server);
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url = urlstr;
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free (urlstr);
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}
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return url;
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}
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std::string
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OSC::get_unix_server_url()
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{
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string url;
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char * urlstr;
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if (_osc_unix_server) {
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urlstr = lo_server_get_url (_osc_unix_server);
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url = urlstr;
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free (urlstr);
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}
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return url;
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}
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/* server thread */
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void *
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OSC::_osc_receiver(void * arg)
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{
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PBD::notify_gui_about_thread_creation (pthread_self(), X_("OSC"));
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static_cast<OSC*> (arg)->osc_receiver();
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return 0;
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}
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void
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OSC::osc_receiver()
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{
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struct pollfd pfd[3];
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int fds[3];
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lo_server srvs[3];
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int nfds = 0;
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int timeout = -1;
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int ret;
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fds[0] = _request_pipe[0];
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nfds++;
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if (_osc_server && lo_server_get_socket_fd(_osc_server) >= 0) {
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fds[nfds] = lo_server_get_socket_fd(_osc_server);
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srvs[nfds] = _osc_server;
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nfds++;
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}
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if (_osc_unix_server && lo_server_get_socket_fd(_osc_unix_server) >= 0) {
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fds[nfds] = lo_server_get_socket_fd(_osc_unix_server);
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srvs[nfds] = _osc_unix_server;
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nfds++;
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}
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while (!_shutdown) {
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for (int i=0; i < nfds; ++i) {
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pfd[i].fd = fds[i];
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pfd[i].events = POLLIN|POLLPRI|POLLHUP|POLLERR;
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pfd[i].revents = 0;
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}
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again:
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//cerr << "poll on " << nfds << " for " << timeout << endl;
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if ((ret = poll (pfd, nfds, timeout)) < 0) {
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if (errno == EINTR) {
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/* gdb at work, perhaps */
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goto again;
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}
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cerr << "OSC thread poll failed: " << strerror (errno) << endl;
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break;
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}
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//cerr << "poll returned " << ret << " pfd[0].revents = " << pfd[0].revents << " pfd[1].revents = " << pfd[1].revents << endl;
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if (_shutdown) {
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break;
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}
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if ((pfd[0].revents & ~POLLIN)) {
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cerr << "OSC: error polling extra port" << endl;
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break;
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}
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for (int i=1; i < nfds; ++i) {
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if (pfd[i].revents & POLLIN)
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{
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// this invokes callbacks
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// cerr << "invoking recv on " << pfd[i].fd << endl;
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lo_server_recv(srvs[i]);
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}
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}
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}
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//cerr << "SL engine shutdown" << endl;
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if (_osc_server) {
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int fd = lo_server_get_socket_fd(_osc_server);
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if (fd >=0) {
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// hack around
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close(fd);
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}
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lo_server_free (_osc_server);
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_osc_server = 0;
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}
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if (_osc_unix_server) {
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cerr << "freeing unix server" << endl;
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lo_server_free (_osc_unix_server);
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_osc_unix_server = 0;
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}
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close(_request_pipe[0]);
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close(_request_pipe[1]);
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}
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void
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OSC::current_value_query (const char* path, size_t len, lo_arg **argv, int argc, lo_message msg)
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{
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char* subpath;
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subpath = (char*) malloc (len-15+1);
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memcpy (subpath, path, len-15);
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subpath[len-15] = '\0';
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send_current_value (subpath, argv, argc, msg);
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free (subpath);
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}
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void
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OSC::send_current_value (const char* path, lo_arg** argv, int argc, lo_message msg)
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{
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if (!session) {
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return;
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}
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lo_message reply = lo_message_new ();
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boost::shared_ptr<Route> r;
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int id;
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lo_message_add_string (reply, path);
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if (argc == 0) {
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lo_message_add_string (reply, "bad syntax");
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} else {
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id = argv[0]->i;
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r = session->route_by_remote_id (id);
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if (!r) {
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lo_message_add_string (reply, "not found");
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} else {
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if (strcmp (path, "/routes/state") == 0) {
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if (boost::dynamic_pointer_cast<AudioTrack>(r)) {
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lo_message_add_string (reply, "AT");
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} else if (boost::dynamic_pointer_cast<MidiTrack>(r)) {
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lo_message_add_string (reply, "MT");
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} else {
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lo_message_add_string (reply, "B");
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}
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lo_message_add_string (reply, r->name().c_str());
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lo_message_add_int32 (reply, r->n_inputs().n_audio());
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lo_message_add_int32 (reply, r->n_outputs().n_audio());
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lo_message_add_int32 (reply, r->muted());
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lo_message_add_int32 (reply, r->soloed());
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} else if (strcmp (path, "/routes/mute") == 0) {
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lo_message_add_int32 (reply, (float) r->muted());
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} else if (strcmp (path, "/routes/solo") == 0) {
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lo_message_add_int32 (reply, r->soloed());
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}
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}
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}
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lo_send_message (lo_message_get_source (msg), "#reply", reply);
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lo_message_free (reply);
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}
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int
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OSC::_catchall (const char *path, const char *types, lo_arg **argv, int argc, void *data, void *user_data)
|
|
{
|
|
return ((OSC*)user_data)->catchall (path, types, argv, argc, data);
|
|
}
|
|
|
|
int
|
|
OSC::catchall (const char *path, const char *types, lo_arg **argv, int argc, lo_message msg)
|
|
{
|
|
size_t len;
|
|
int ret = 1; /* unhandled */
|
|
|
|
cerr << "Received a message, path = " << path << " types = \""
|
|
<< (types ? types : "NULL") << '"' << endl;
|
|
|
|
/* 15 for /#current_value plus 2 for /<path> */
|
|
|
|
len = strlen (path);
|
|
|
|
if (len >= 17 && !strcmp (&path[len-15], "/#current_value")) {
|
|
current_value_query (path, len, argv, argc, msg);
|
|
ret = 0;
|
|
|
|
} else if (strcmp (path, "/routes/listen") == 0) {
|
|
|
|
cerr << "set up listener\n";
|
|
|
|
lo_message reply = lo_message_new ();
|
|
|
|
if (argc <= 0) {
|
|
lo_message_add_string (reply, "syntax error");
|
|
} else {
|
|
for (int n = 0; n < argc; ++n) {
|
|
|
|
boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
|
|
|
|
if (!r) {
|
|
lo_message_add_string (reply, "not found");
|
|
cerr << "no such route\n";
|
|
break;
|
|
} else {
|
|
cerr << "add listener\n";
|
|
listen_to_route (r, lo_message_get_source (msg));
|
|
lo_message_add_int32 (reply, argv[n]->i);
|
|
}
|
|
}
|
|
}
|
|
|
|
lo_send_message (lo_message_get_source (msg), "#reply", reply);
|
|
lo_message_free (reply);
|
|
|
|
} else if (strcmp (path, "/routes/ignore") == 0) {
|
|
|
|
for (int n = 0; n < argc; ++n) {
|
|
|
|
boost::shared_ptr<Route> r = session->route_by_remote_id (argv[n]->i);
|
|
|
|
if (r) {
|
|
end_listen (r, lo_message_get_source (msg));
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
OSC::route_added (RouteList&)
|
|
{
|
|
}
|
|
|
|
void
|
|
OSC::listen_to_route (boost::shared_ptr<Route> route, lo_address addr)
|
|
{
|
|
Controllables::iterator x;
|
|
bool route_exists = false;
|
|
|
|
cerr << "listen to route\n";
|
|
|
|
/* avoid duplicate listens */
|
|
|
|
for (x = controllables.begin(); x != controllables.end(); ++x) {
|
|
|
|
OSCRouteControllable* rc;
|
|
|
|
if ((rc = dynamic_cast<OSCRouteControllable*>(*x)) != 0) {
|
|
|
|
if (rc->route() == route) {
|
|
route_exists = true;
|
|
|
|
/* XXX NEED lo_address_equal() */
|
|
|
|
if (rc->address() == addr) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
cerr << "listener binding to signals\n";
|
|
|
|
OSCControllable* c;
|
|
string path;
|
|
|
|
path = X_("/route/solo");
|
|
c = new OSCRouteControllable (addr, path, route->solo_control(), route);
|
|
controllables.push_back (c);
|
|
|
|
path = X_("/route/mute");
|
|
c = new OSCRouteControllable (addr, path, route->mute_control(), route);
|
|
controllables.push_back (c);
|
|
|
|
path = X_("/route/gain");
|
|
c = new OSCRouteControllable (addr, path, route->gain_control(), route);
|
|
controllables.push_back (c);
|
|
|
|
cerr << "Now have " << controllables.size() << " controllables\n";
|
|
|
|
/* if there is no existing controllable related to this route, make sure we clean up
|
|
if it is ever deleted.
|
|
*/
|
|
|
|
if (!route_exists) {
|
|
route->GoingAway.connect (bind (mem_fun (*this, &OSC::drop_route), boost::weak_ptr<Route> (route)));
|
|
}
|
|
}
|
|
|
|
void
|
|
OSC::drop_route (boost::weak_ptr<Route> wr)
|
|
{
|
|
boost::shared_ptr<Route> r = wr.lock ();
|
|
|
|
if (!r) {
|
|
return;
|
|
}
|
|
|
|
for (Controllables::iterator x = controllables.begin(); x != controllables.end();) {
|
|
|
|
OSCRouteControllable* rc;
|
|
|
|
if ((rc = dynamic_cast<OSCRouteControllable*>(*x)) != 0) {
|
|
if (rc->route() == r) {
|
|
delete *x;
|
|
x = controllables.erase (x);
|
|
} else {
|
|
++x;
|
|
}
|
|
} else {
|
|
++x;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
OSC::end_listen (boost::shared_ptr<Route> r, lo_address addr)
|
|
{
|
|
Controllables::iterator x;
|
|
|
|
for (x = controllables.begin(); x != controllables.end(); ++x) {
|
|
|
|
OSCRouteControllable* rc;
|
|
|
|
if ((rc = dynamic_cast<OSCRouteControllable*>(*x)) != 0) {
|
|
|
|
/* XXX NEED lo_address_equal () */
|
|
|
|
if (rc->route() == r && rc->address() == addr) {
|
|
controllables.erase (x);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// "Application Hook" Handlers //
|
|
void
|
|
OSC::session_loaded( Session& s ) {
|
|
lo_address listener = lo_address_new( NULL, "7770" );
|
|
lo_send( listener, "/session/loaded", "ss", s.path().c_str(), s.name().c_str() );
|
|
}
|
|
|
|
void
|
|
OSC::session_exported( std::string path, std::string name ) {
|
|
lo_address listener = lo_address_new( NULL, "7770" );
|
|
lo_send( listener, "/session/exported", "ss", path.c_str(), name.c_str() );
|
|
}
|
|
|
|
// end "Application Hook" Handlers //
|
|
|
|
/* path callbacks */
|
|
|
|
int
|
|
OSC::current_value (const char */*path*/, const char */*types*/, lo_arg **/*argv*/, int /*argc*/, void */*data*/, void* /*user_data*/)
|
|
{
|
|
#if 0
|
|
const char* returl;
|
|
|
|
if (argc < 3 || types == 0 || strlen (types) < 3 || types[0] != 's' || types[1] != 's' || types[2] != s) {
|
|
return 1;
|
|
}
|
|
|
|
const char *returl = argv[1]->s;
|
|
lo_address addr = find_or_cache_addr (returl);
|
|
|
|
const char *retpath = argv[2]->s;
|
|
|
|
|
|
if (strcmp (argv[0]->s, "transport_frame") == 0) {
|
|
|
|
if (session) {
|
|
lo_send (addr, retpath, "i", session->transport_frame());
|
|
}
|
|
|
|
} else if (strcmp (argv[0]->s, "transport_speed") == 0) {
|
|
|
|
if (session) {
|
|
lo_send (addr, retpath, "i", session->transport_frame());
|
|
}
|
|
|
|
} else if (strcmp (argv[0]->s, "transport_locked") == 0) {
|
|
|
|
if (session) {
|
|
lo_send (addr, retpath, "i", session->transport_frame());
|
|
}
|
|
|
|
} else if (strcmp (argv[0]->s, "punch_in") == 0) {
|
|
|
|
if (session) {
|
|
lo_send (addr, retpath, "i", session->transport_frame());
|
|
}
|
|
|
|
} else if (strcmp (argv[0]->s, "punch_out") == 0) {
|
|
|
|
if (session) {
|
|
lo_send (addr, retpath, "i", session->transport_frame());
|
|
}
|
|
|
|
} else if (strcmp (argv[0]->s, "rec_enable") == 0) {
|
|
|
|
if (session) {
|
|
lo_send (addr, retpath, "i", session->transport_frame());
|
|
}
|
|
|
|
} else {
|
|
|
|
/* error */
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
OSC::route_mute (int rid, int yn)
|
|
{
|
|
if (!session) return -1;
|
|
|
|
boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
|
|
|
|
if (r) {
|
|
r->set_mute (yn, this);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
OSC::route_solo (int rid, int yn)
|
|
{
|
|
if (!session) return -1;
|
|
|
|
boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
|
|
|
|
if (r) {
|
|
r->set_solo (yn, this);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
OSC::route_recenable (int rid, int yn)
|
|
{
|
|
if (!session) return -1;
|
|
|
|
boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
|
|
|
|
if (r) {
|
|
r->set_record_enable (yn, this);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
OSC::route_set_gain_abs (int rid, float level)
|
|
{
|
|
if (!session) return -1;
|
|
|
|
boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
|
|
|
|
if (r) {
|
|
r->set_gain (level, this);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
OSC::route_set_gain_dB (int rid, float dB)
|
|
{
|
|
if (!session) return -1;
|
|
|
|
boost::shared_ptr<Route> r = session->route_by_remote_id (rid);
|
|
|
|
if (r) {
|
|
r->set_gain (dB_to_coefficient (dB), this);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
XMLNode&
|
|
OSC::get_state ()
|
|
{
|
|
return *(new XMLNode ("OSC"));
|
|
}
|
|
|
|
int
|
|
OSC::set_state (const XMLNode&)
|
|
{
|
|
return 0;
|
|
}
|