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livetrax/headless/load_session.cc

200 lines
4.3 KiB
C++

#include <iostream>
#include <cstdlib>
#include <getopt.h>
#include "pbd/failed_constructor.h"
#include "pbd/error.h"
#include "pbd/debug.h"
#include "ardour/ardour.h"
#include "ardour/audioengine.h"
#include "ardour/session.h"
#include "misc.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
static const char* localedir = LOCALEDIR;
TestReceiver test_receiver;
/** @param dir Session directory.
* @param state Session state file, without .ardour suffix.
*/
Session *
load_session (string dir, string state)
{
SessionEvent::create_per_thread_pool ("test", 512);
test_receiver.listen_to (error);
test_receiver.listen_to (info);
test_receiver.listen_to (fatal);
test_receiver.listen_to (warning);
AudioEngine* engine = AudioEngine::create ();
if (!engine->set_default_backend ()) {
std::cerr << "Cannot create Audio/MIDI engine\n";
::exit (1);
}
init_post_engine ();
if (engine->start () != 0) {
std::cerr << "Cannot start Audio/MIDI engine\n";
::exit (1);
}
Session* session = new Session (*engine, dir, state);
engine->set_session (session);
return session;
}
string session_name = "";
string backend_client_name = "ardour";
string backend_session_uuid;
bool just_version = false;
bool use_vst = true;
bool try_hw_optimization = true;
bool no_connect_ports = false;
void
print_help ()
{
cout << "Usage: hardour [OPTIONS]... DIR SNAPSHOT_NAME\n\n"
<< " DIR Directory/Folder to load session from\n"
<< " SNAPSHOT_NAME Name of session/snapshot to load (without .ardour at end\n"
<< " -v, --version Show version information\n"
<< " -h, --help Print this message\n"
<< " -c, --name <name> Use a specific backend client name, default is ardour\n"
<< " -d, --disable-plugins Disable all plugins in an existing session\n"
<< " -D, --debug <options> Set debug flags. Use \"-D list\" to see available options\n"
<< " -O, --no-hw-optimizations Disable h/w specific optimizations\n"
<< " -P, --no-connect-ports Do not connect any ports at startup\n"
#ifdef WINDOWS_VST_SUPPORT
<< " -V, --novst Do not use VST support\n"
#endif
;
}
int main (int argc, char* argv[])
{
const char *optstring = "vhdD:c:VOU:P";
const struct option longopts[] = {
{ "version", 0, 0, 'v' },
{ "help", 0, 0, 'h' },
{ "disable-plugins", 1, 0, 'd' },
{ "debug", 1, 0, 'D' },
{ "name", 1, 0, 'c' },
{ "novst", 0, 0, 'V' },
{ "no-hw-optimizations", 0, 0, 'O' },
{ "uuid", 1, 0, 'U' },
{ "no-connect-ports", 0, 0, 'P' },
{ 0, 0, 0, 0 }
};
int option_index = 0;
int c = 0;
while (1) {
c = getopt_long (argc, argv, optstring, longopts, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 0:
break;
case 'v':
just_version = true;
break;
case 'h':
print_help ();
exit (0);
break;
case 'c':
backend_client_name = optarg;
break;
case 'd':
ARDOUR::Session::set_disable_all_loaded_plugins (true);
break;
case 'D':
if (PBD::parse_debug_options (optarg)) {
::exit (1);
}
break;
case 'O':
try_hw_optimization = false;
break;
case 'P':
no_connect_ports = true;
break;
case 'V':
#ifdef WINDOWS_VST_SUPPORT
use_vst = false;
#endif /* WINDOWS_VST_SUPPORT */
break;
case 'U':
backend_session_uuid = optarg;
break;
default:
print_help ();
::exit (1);
}
}
if (argc < 3) {
print_help ();
::exit (1);
}
if (!ARDOUR::init (false, true, localedir)) {
cerr << "Ardour failed to initialize\n" << endl;
::exit (1);
}
Session* s = 0;
try {
s = load_session (argv[optind], argv[optind+1]);
} catch (failed_constructor& e) {
cerr << "failed_constructor: " << e.what() << "\n";
exit (EXIT_FAILURE);
} catch (AudioEngine::PortRegistrationFailure& e) {
cerr << "PortRegistrationFailure: " << e.what() << "\n";
exit (EXIT_FAILURE);
} catch (exception& e) {
cerr << "exception: " << e.what() << "\n";
exit (EXIT_FAILURE);
} catch (...) {
cerr << "unknown exception.\n";
exit (EXIT_FAILURE);
}
s->request_transport_speed (1.0);
sleep (-1);
AudioEngine::instance()->remove_session ();
delete s;
AudioEngine::instance()->stop ();
AudioEngine::destroy ();
return 0;
}