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 "libardour-config.h"
24 #include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
26 #include <sys/types.h>
28 #include <sys/resource.h>
37 #ifdef HAVE_AUDIOUNITS
38 #include "ardour/audio_unit.h"
42 #include <xmmintrin.h>
45 #include <glibmm/fileutils.h>
46 #include <glibmm/miscutils.h>
50 #include "pbd/error.h"
52 #include "pbd/strsplit.h"
54 #include "pbd/file_utils.h"
55 #include "pbd/enumwriter.h"
57 #include "midi++/port.h"
58 #include "midi++/manager.h"
59 #include "midi++/mmc.h"
61 #include "ardour/analyser.h"
62 #include "ardour/ardour.h"
63 #include "ardour/audio_library.h"
64 #include "ardour/audioengine.h"
65 #include "ardour/audioregion.h"
66 #include "ardour/audiosource.h"
67 #include "ardour/control_protocol_manager.h"
68 #include "ardour/debug.h"
69 #include "ardour/filesystem_paths.h"
70 #include "ardour/mix.h"
71 #include "ardour/plugin_manager.h"
72 #include "ardour/profile.h"
73 #include "ardour/region.h"
74 #include "ardour/rc_configuration.h"
75 #include "ardour/route_group.h"
76 #include "ardour/runtime_functions.h"
77 #include "ardour/session.h"
78 #include "ardour/session_event.h"
79 #include "ardour/source_factory.h"
80 #include "ardour/utils.h"
82 #include "audiographer/routines.h"
84 #if defined (__APPLE__)
85 #include <Carbon/Carbon.h> // For Gestalt
90 ARDOUR::RCConfiguration* ARDOUR::Config = 0;
91 ARDOUR::RuntimeProfile* ARDOUR::Profile = 0;
92 ARDOUR::AudioLibrary* ARDOUR::Library = 0;
94 using namespace ARDOUR;
98 uint64_t ARDOUR::debug_bits = 0x0;
100 MIDI::Port *ARDOUR::default_mmc_port = 0;
101 MIDI::Port *ARDOUR::default_mtc_port = 0;
102 MIDI::Port *ARDOUR::default_midi_port = 0;
103 MIDI::Port *ARDOUR::default_midi_clock_port = 0;
105 PropertyChange ARDOUR::StartChanged = PBD::new_change ();
106 PropertyChange ARDOUR::LengthChanged = PBD::new_change ();
107 PropertyChange ARDOUR::PositionChanged = PBD::new_change ();
108 PropertyChange ARDOUR::NameChanged = PBD::new_change ();
109 PropertyChange ARDOUR::BoundsChanged = PropertyChange (0); // see init(), below
111 compute_peak_t ARDOUR::compute_peak = 0;
112 find_peaks_t ARDOUR::find_peaks = 0;
113 apply_gain_to_buffer_t ARDOUR::apply_gain_to_buffer = 0;
114 mix_buffers_with_gain_t ARDOUR::mix_buffers_with_gain = 0;
115 mix_buffers_no_gain_t ARDOUR::mix_buffers_no_gain = 0;
117 PBD::Signal1<void,std::string> ARDOUR::BootMessage;
119 void ARDOUR::setup_enum_writer ();
122 ARDOUR::setup_midi ()
124 if (Config->midi_ports.size() == 0) {
128 BootMessage (_("Configuring MIDI ports"));
130 for (std::map<string,XMLNode>::iterator i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
131 MIDI::Manager::instance()->add_port (i->second);
135 const MIDI::Manager::PortList& ports = MIDI::Manager::instance()->get_midi_ports();
137 if (ports.size() > 1) {
139 first = ports.front();
141 /* More than one port, so try using specific names for each port */
143 default_mmc_port = MIDI::Manager::instance()->port (Config->get_mmc_port_name());
144 default_mtc_port = MIDI::Manager::instance()->port (Config->get_mtc_port_name());
145 default_midi_port = MIDI::Manager::instance()->port (Config->get_midi_port_name());
146 default_midi_clock_port = MIDI::Manager::instance()->port (Config->get_midi_clock_port_name());
148 /* If that didn't work, just use the first listed port */
150 if (default_mmc_port == 0) {
151 default_mmc_port = first;
154 if (default_mtc_port == 0) {
155 default_mtc_port = first;
158 if (default_midi_port == 0) {
159 default_midi_port = first;
162 if (default_midi_clock_port == 0) {
163 default_midi_clock_port = first;
166 } else if (ports.size() == 1) {
168 first = ports.front();
170 /* Only one port described, so use it for both MTC and MMC */
172 default_mmc_port = first;
173 default_mtc_port = default_mmc_port;
174 default_midi_port = default_mmc_port;
175 default_midi_clock_port = default_mmc_port;
178 if (default_mmc_port == 0) {
179 warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name())
184 if (default_mtc_port == 0) {
185 warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name())
189 if (default_midi_port == 0) {
190 warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name())
194 if (default_midi_clock_port == 0) {
195 warning << string_compose (_("No MIDI Clock support (MIDI port \"%1\" not available)"), Config->get_midi_clock_port_name())
203 setup_hardware_optimization (bool try_optimization)
205 bool generic_mix_functions = true;
207 if (try_optimization) {
211 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
215 info << "Using SSE optimized routines" << endmsg;
218 compute_peak = x86_sse_compute_peak;
219 find_peaks = x86_sse_find_peaks;
220 apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
221 mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
222 mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
224 generic_mix_functions = false;
228 #elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
231 if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
234 if (sysVersion >= 0x00001040) { // Tiger at least
235 compute_peak = veclib_compute_peak;
236 find_peaks = veclib_find_peaks;
237 apply_gain_to_buffer = veclib_apply_gain_to_buffer;
238 mix_buffers_with_gain = veclib_mix_buffers_with_gain;
239 mix_buffers_no_gain = veclib_mix_buffers_no_gain;
241 generic_mix_functions = false;
243 info << "Apple VecLib H/W specific optimizations in use" << endmsg;
247 /* consider FPU denormal handling to be "h/w optimization" */
252 if (generic_mix_functions) {
254 compute_peak = default_compute_peak;
255 find_peaks = default_find_peaks;
256 apply_gain_to_buffer = default_apply_gain_to_buffer;
257 mix_buffers_with_gain = default_mix_buffers_with_gain;
258 mix_buffers_no_gain = default_mix_buffers_no_gain;
260 info << "No H/W specific optimizations in use" << endmsg;
263 AudioGrapher::Routines::override_compute_peak (compute_peak);
264 AudioGrapher::Routines::override_apply_gain_to_buffer (apply_gain_to_buffer);
268 lotsa_files_please ()
272 if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
274 rl.rlim_cur = rl.rlim_max;
276 if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
277 if (rl.rlim_cur == RLIM_INFINITY) {
278 error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
280 error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
283 if (rl.rlim_cur == RLIM_INFINITY) {
284 info << _("Removed open file count limit. Excellent!") << endmsg;
286 info << string_compose (_("Ardour will be limited to %1 open files"), rl.rlim_cur) << endmsg;
290 error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
295 ARDOUR::init (bool use_vst, bool try_optimization)
297 if (!Glib::thread_supported()) {
301 (void) bindtextdomain(PACKAGE, LOCALEDIR);
304 SessionEvent::init_event_pool ();
306 SessionObject::make_property_quarks ();
307 Region::make_property_quarks ();
308 AudioRegion::make_property_quarks ();
309 RouteGroup::make_property_quarks ();
311 /* provide a state version for the few cases that need it and are not
312 driven by reading state from disk (e.g. undo/redo)
315 Stateful::current_state_version = CURRENT_SESSION_FILE_VERSION;
317 setup_enum_writer ();
319 // allow ardour the absolute maximum number of open files
320 lotsa_files_please ();
323 Library = new AudioLibrary;
325 BootMessage (_("Loading configuration"));
327 Config = new RCConfiguration;
329 if (Config->load_state ()) {
334 Config->set_use_vst (use_vst);
336 cerr << "After config loaded, MTC port name = " << Config->get_mtc_port_name() << endl;
338 Profile = new RuntimeProfile;
342 if (Config->get_use_vst() && fst_init (0)) {
347 #ifdef HAVE_AUDIOUNITS
348 AUPluginInfo::load_cached_info ();
351 /* Make VAMP look in our library ahead of anything else */
353 char *p = getenv ("VAMP_PATH");
354 string vamppath = VAMP_DIR;
359 setenv ("VAMP_PATH", vamppath.c_str(), 1);
362 setup_hardware_optimization (try_optimization);
364 SourceFactory::init ();
367 /* singleton - first object is "it" */
368 new PluginManager ();
370 BoundsChanged = PropertyChange (StartChanged|PositionChanged|LengthChanged);
376 ARDOUR::init_post_engine ()
378 ControlProtocolManager::instance().discover_control_protocols ();
381 if ((node = Config->control_protocol_state()) != 0) {
382 ControlProtocolManager::instance().set_state (*node, Stateful::loading_state_version);
391 delete &ControlProtocolManager::instance();
399 ARDOUR::get_ardour_revision ()
405 ARDOUR::find_bindings_files (map<string,string>& files)
407 vector<sys::path> found;
408 SearchPath spath = ardour_search_path() + user_config_directory() + system_config_search_path();
410 if (getenv ("ARDOUR_SAE")) {
411 Glib::PatternSpec pattern("*SAE-*.bindings");
412 find_matching_files_in_search_path (spath, pattern, found);
414 Glib::PatternSpec pattern("*.bindings");
415 find_matching_files_in_search_path (spath, pattern, found);
422 for (vector<sys::path>::iterator x = found.begin(); x != found.end(); ++x) {
424 pair<string,string> namepath;
425 namepath.second = path.to_string();
426 namepath.first = path.leaf().substr (0, path.leaf().find_first_of ('.'));
427 files.insert (namepath);
432 ARDOUR::no_auto_connect()
434 return getenv ("ARDOUR_NO_AUTOCONNECT") != 0;
441 if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
442 // valgrind doesn't understand this assembler stuff
443 // September 10th, 2007
447 #if defined(ARCH_X86) && defined(USE_XMMINTRIN)
452 /* XXX use real code to determine if the processor supports
453 DenormalsAreZero and FlushToZero
456 if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
460 MXCSR = _mm_getcsr();
462 switch (Config->get_denormal_model()) {
464 MXCSR &= ~(_MM_FLUSH_ZERO_ON|0x8000);
468 if (fpu.has_flush_to_zero()) {
469 MXCSR |= _MM_FLUSH_ZERO_ON;
474 MXCSR &= ~_MM_FLUSH_ZERO_ON;
475 if (fpu.has_denormals_are_zero()) {
481 if (fpu.has_flush_to_zero()) {
482 if (fpu.has_denormals_are_zero()) {
483 MXCSR |= _MM_FLUSH_ZERO_ON | 0x8000;
485 MXCSR |= _MM_FLUSH_ZERO_ON;
497 ARDOUR::coverage (nframes_t sa, nframes_t ea,
498 nframes_t sb, nframes_t eb)
500 /* OverlapType returned reflects how the second (B)
501 range overlaps the first (A).
503 The diagrams show various relative placements
504 of A and B for each OverlapType.
507 Internal: the start points cannot coincide
508 External: the start and end points can coincide
509 Start: end points can coincide
510 End: start points can coincide
512 XXX Logically, Internal should disallow end
517 |--------------------| A
519 |-----------------| B
526 if ((sb >= sa) && (eb <= ea)) {
528 if ((sb > sa) && (eb <= ea)) {
530 return OverlapInternal;
534 |--------------------| A
536 -----------------------| B
539 "B overlaps the start of A"
543 if ((eb >= sa) && (eb <= ea)) {
547 |---------------------| A
549 |----------------------- B
552 "B overlaps the end of A"
555 if ((sb > sa) && (sb <= ea)) {
559 |--------------------| A
560 -------------------------- B
561 |----------------------- B
562 ----------------------| B
563 |--------------------| B
566 "B overlaps all of A"
568 if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
569 return OverlapExternal;