2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
23 #include <sys/types.h>
34 #include <pbd/error.h>
35 #include <pbd/strsplit.h>
37 #include <midi++/port.h>
38 #include <midi++/port_request.h>
39 #include <midi++/manager.h>
40 #include <midi++/mmc.h>
42 #include <ardour/ardour.h>
43 #include <ardour/audio_library.h>
44 #include <ardour/configuration.h>
45 #include <ardour/plugin_manager.h>
46 #include <ardour/source.h>
47 #include <ardour/utils.h>
48 #include <ardour/session.h>
49 #include <ardour/control_protocol_manager.h>
50 #include <ardour/osc.h>
52 #include <ardour/mix.h>
54 #if defined (__APPLE__)
55 #include <Carbon/Carbon.h> // For Gestalt
60 ARDOUR::Configuration* ARDOUR::Config = 0;
61 ARDOUR::AudioLibrary* ARDOUR::Library = 0;
62 ARDOUR::OSC* ARDOUR::osc = 0;
64 using namespace ARDOUR;
67 MIDI::Port *default_mmc_port = 0;
68 MIDI::Port *default_mtc_port = 0;
69 MIDI::Port *default_midi_port = 0;
71 Change ARDOUR::StartChanged = ARDOUR::new_change ();
72 Change ARDOUR::LengthChanged = ARDOUR::new_change ();
73 Change ARDOUR::PositionChanged = ARDOUR::new_change ();
74 Change ARDOUR::NameChanged = ARDOUR::new_change ();
75 Change ARDOUR::BoundsChanged = Change (0); // see init(), below
80 /* no real cost to creating this object, and it avoids
81 conditionals anywhere that uses it
84 osc = new OSC (Config->get_osc_port());
86 if (Config->get_use_osc ()) {
96 std::map<string,Configuration::MidiPortDescriptor*>::iterator i;
99 if ((nports = Config->midi_ports.size()) == 0) {
100 warning << _("no MIDI ports specified: no MMC or MTC control possible") << endmsg;
104 for (i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
105 Configuration::MidiPortDescriptor* port_descriptor;
107 port_descriptor = (*i).second;
109 MIDI::PortRequest request (port_descriptor->device,
110 port_descriptor->tag,
111 port_descriptor->mode,
112 port_descriptor->type);
114 if (request.status != MIDI::PortRequest::OK) {
115 error << string_compose(_("MIDI port specifications for \"%1\" are not understandable."), port_descriptor->tag) << endmsg;
119 MIDI::Manager::instance()->add_port (request);
124 /* More than one port, so try using specific names for each port */
126 map<string,Configuration::MidiPortDescriptor *>::iterator i;
128 if (Config->get_mmc_port_name() != N_("default")) {
129 default_mmc_port = MIDI::Manager::instance()->port (Config->get_mmc_port_name());
132 if (Config->get_mtc_port_name() != N_("default")) {
133 default_mtc_port = MIDI::Manager::instance()->port (Config->get_mtc_port_name());
136 if (Config->get_midi_port_name() != N_("default")) {
137 default_midi_port = MIDI::Manager::instance()->port (Config->get_midi_port_name());
140 /* If that didn't work, just use the first listed port */
142 if (default_mmc_port == 0) {
143 default_mmc_port = MIDI::Manager::instance()->port (0);
146 if (default_mtc_port == 0) {
147 default_mtc_port = MIDI::Manager::instance()->port (0);
150 if (default_midi_port == 0) {
151 default_midi_port = MIDI::Manager::instance()->port (0);
156 /* Only one port described, so use it for both MTC and MMC */
158 default_mmc_port = MIDI::Manager::instance()->port (0);
159 default_mtc_port = default_mmc_port;
160 default_midi_port = default_mmc_port;
163 if (default_mmc_port == 0) {
164 warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name())
169 if (default_mtc_port == 0) {
170 warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name())
174 if (default_midi_port == 0) {
175 warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name())
183 ARDOUR::init (AudioEngine& engine, bool use_vst, bool try_optimization, void (*sighandler)(int,siginfo_t*,void*))
185 bool generic_mix_functions = true;
187 (void) bindtextdomain(PACKAGE, LOCALEDIR);
189 Config = new Configuration;
191 if (Config->load_state ()) {
195 Config->set_use_vst (use_vst);
206 if (Config->get_use_vst() && fst_init (sighandler)) {
211 if (try_optimization) {
213 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
215 unsigned int use_sse = 0;
217 #ifndef USE_X86_64_ASM
223 "andl $33554432, %%edx\n"
227 : "%eax", "%ecx", "%edx", "memory");
235 "andq $33554432, %%rdx\n"
239 : "%rax", "%rcx", "%rdx", "memory");
241 #endif /* USE_X86_64_ASM */
244 cerr << "Enabling SSE optimized routines" << endl;
247 Session::compute_peak = x86_sse_compute_peak;
248 Session::apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
249 Session::mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
250 Session::mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
252 generic_mix_functions = false;
256 #elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
259 if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
262 if (sysVersion >= 0x00001040) { // Tiger at least
263 Session::compute_peak = veclib_compute_peak;
264 Session::apply_gain_to_buffer = veclib_apply_gain_to_buffer;
265 Session::mix_buffers_with_gain = veclib_mix_buffers_with_gain;
266 Session::mix_buffers_no_gain = veclib_mix_buffers_no_gain;
268 generic_mix_functions = false;
270 info << "Apple VecLib H/W specific optimizations in use" << endmsg;
275 if (generic_mix_functions) {
277 Session::compute_peak = compute_peak;
278 Session::apply_gain_to_buffer = apply_gain_to_buffer;
279 Session::mix_buffers_with_gain = mix_buffers_with_gain;
280 Session::mix_buffers_no_gain = mix_buffers_no_gain;
282 info << "No H/W specific optimizations in use" << endmsg;
286 Library = new AudioLibrary;
288 /* singleton - first object is "it" */
289 new PluginManager (engine);
291 /* singleton - first object is "it" */
292 new ControlProtocolManager ();
293 ControlProtocolManager::instance().discover_control_protocols (Session::control_protocol_path());
296 if ((node = Config->control_protocol_state()) != 0) {
297 ControlProtocolManager::instance().set_state (*node);
300 BoundsChanged = Change (StartChanged|PositionChanged|LengthChanged);
310 delete &ControlProtocolManager::instance();
321 ARDOUR::new_change ()
324 static uint32_t change_bit = 1;
326 /* XXX catch out-of-range */
328 c = Change (change_bit);
335 ARDOUR::get_user_ardour_path ()
340 if ((envvar = getenv ("HOME")) == 0 || strlen (envvar) == 0) {
345 path += "/.ardour2/";
347 /* create it if necessary */
349 mkdir (path.c_str (), 0755);
355 ARDOUR::get_system_data_path ()
366 ARDOUR::get_system_module_path ()
377 find_file (string name, string dir, string subdir = "")
380 char* envvar = getenv("ARDOUR_PATH");
382 /* 1st attempt: any directory in ARDOUR_PATH */
386 vector<string> split_path;
388 split (envvar, split_path, ':');
390 for (vector<string>::iterator i = split_path.begin(); i != split_path.end(); ++i) {
393 if (access (path.c_str(), R_OK) == 0) {
394 // cerr << "Using file " << path << " found in ARDOUR_PATH." << endl;
400 /* 2nd attempt: ~/.ardour/ */
402 path = get_user_ardour_path();
404 if (subdir.length()) {
405 path += subdir + "/";
409 if (access (path.c_str(), R_OK) == 0) {
413 /* 3rd attempt: dir/... */
418 if (subdir.length()) {
419 path += subdir + "/";
424 if (access (path.c_str(), R_OK) == 0) {
432 ARDOUR::find_config_file (string name)
436 if ((envvar = getenv("ARDOUR_CONFIG_PATH")) == 0) {
440 return find_file (name, envvar);
444 ARDOUR::find_data_file (string name, string subdir)
447 if ((envvar = getenv("ARDOUR_DATA_PATH")) == 0) {
451 return find_file (name, envvar, subdir);
454 ARDOUR::LocaleGuard::LocaleGuard (const char* str)
456 old = strdup (setlocale (LC_NUMERIC, NULL));
457 if (strcmp (old, str)) {
458 setlocale (LC_NUMERIC, str);
462 ARDOUR::LocaleGuard::~LocaleGuard ()
464 setlocale (LC_NUMERIC, old);
469 ARDOUR::coverage (jack_nframes_t sa, jack_nframes_t ea,
470 jack_nframes_t sb, jack_nframes_t eb)
472 /* OverlapType returned reflects how the second (B)
473 range overlaps the first (A).
475 The diagrams show various relative placements
476 of A and B for each OverlapType.
479 Internal: the start points cannot coincide
480 External: the start and end points can coincide
481 Start: end points can coincide
482 End: start points can coincide
484 XXX Logically, Internal should disallow end
489 |--------------------| A
491 |-----------------| B
498 if ((sb >= sa) && (eb <= ea)) {
500 if ((sb > sa) && (eb <= ea)) {
502 return OverlapInternal;
506 |--------------------| A
508 -----------------------| B
511 "B overlaps the start of A"
515 if ((eb >= sa) && (eb <= ea)) {
519 |---------------------| A
521 |----------------------- B
524 "B overlaps the end of A"
527 if ((sb >= sa) && (sb <= ea)) {
531 |--------------------| A
532 -------------------------- B
533 |----------------------- B
534 ----------------------| B
535 |--------------------| B
538 "B overlaps all of A"
540 if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
541 return OverlapExternal;
547 /* not sure where to put these */
549 std::istream& operator>>(std::istream& o, HeaderFormat hf) {
552 hf = (HeaderFormat) val;
556 std::istream& operator>>(std::istream& o, SampleFormat sf) {
559 sf = (SampleFormat) val;