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/audiosource.h"
66 #include "ardour/control_protocol_manager.h"
67 #include "ardour/debug.h"
68 #include "ardour/filesystem_paths.h"
69 #include "ardour/mix.h"
70 #include "ardour/plugin_manager.h"
71 #include "ardour/profile.h"
72 #include "ardour/rc_configuration.h"
73 #include "ardour/runtime_functions.h"
74 #include "ardour/session.h"
75 #include "ardour/session_event.h"
76 #include "ardour/source_factory.h"
77 #include "ardour/utils.h"
79 #if defined (__APPLE__)
80 #include <Carbon/Carbon.h> // For Gestalt
85 ARDOUR::RCConfiguration* ARDOUR::Config = 0;
86 ARDOUR::RuntimeProfile* ARDOUR::Profile = 0;
87 ARDOUR::AudioLibrary* ARDOUR::Library = 0;
89 using namespace ARDOUR;
93 uint64_t ARDOUR::debug_bits = 0x0;
95 MIDI::Port *ARDOUR::default_mmc_port = 0;
96 MIDI::Port *ARDOUR::default_mtc_port = 0;
97 MIDI::Port *ARDOUR::default_midi_port = 0;
98 MIDI::Port *ARDOUR::default_midi_clock_port = 0;
100 Change ARDOUR::StartChanged = ARDOUR::new_change ();
101 Change ARDOUR::LengthChanged = ARDOUR::new_change ();
102 Change ARDOUR::PositionChanged = ARDOUR::new_change ();
103 Change ARDOUR::NameChanged = ARDOUR::new_change ();
104 Change ARDOUR::BoundsChanged = Change (0); // see init(), below
106 compute_peak_t ARDOUR::compute_peak = 0;
107 find_peaks_t ARDOUR::find_peaks = 0;
108 apply_gain_to_buffer_t ARDOUR::apply_gain_to_buffer = 0;
109 mix_buffers_with_gain_t ARDOUR::mix_buffers_with_gain = 0;
110 mix_buffers_no_gain_t ARDOUR::mix_buffers_no_gain = 0;
112 sigc::signal<void,std::string> ARDOUR::BootMessage;
114 void ARDOUR::setup_enum_writer ();
117 ARDOUR::setup_midi ()
119 if (Config->midi_ports.size() == 0) {
123 BootMessage (_("Configuring MIDI ports"));
125 for (std::map<string,XMLNode>::iterator i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
126 MIDI::Manager::instance()->add_port (i->second);
130 const MIDI::Manager::PortList& ports = MIDI::Manager::instance()->get_midi_ports();
132 if (ports.size() > 1) {
134 first = ports.front();
136 /* More than one port, so try using specific names for each port */
138 default_mmc_port = MIDI::Manager::instance()->port (Config->get_mmc_port_name());
139 default_mtc_port = MIDI::Manager::instance()->port (Config->get_mtc_port_name());
140 default_midi_port = MIDI::Manager::instance()->port (Config->get_midi_port_name());
141 default_midi_clock_port = MIDI::Manager::instance()->port (Config->get_midi_clock_port_name());
143 /* If that didn't work, just use the first listed port */
145 if (default_mmc_port == 0) {
146 default_mmc_port = first;
149 if (default_mtc_port == 0) {
150 default_mtc_port = first;
153 if (default_midi_port == 0) {
154 default_midi_port = first;
157 if (default_midi_clock_port == 0) {
158 default_midi_clock_port = first;
161 } else if (ports.size() == 1) {
163 first = ports.front();
165 /* Only one port described, so use it for both MTC and MMC */
167 default_mmc_port = first;
168 default_mtc_port = default_mmc_port;
169 default_midi_port = default_mmc_port;
170 default_midi_clock_port = default_mmc_port;
173 if (default_mmc_port == 0) {
174 warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name())
179 if (default_mtc_port == 0) {
180 warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name())
184 if (default_midi_port == 0) {
185 warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name())
189 if (default_midi_clock_port == 0) {
190 warning << string_compose (_("No MIDI Clock support (MIDI port \"%1\" not available)"), Config->get_midi_clock_port_name())
198 setup_hardware_optimization (bool try_optimization)
200 bool generic_mix_functions = true;
202 if (try_optimization) {
206 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
210 info << "Using SSE optimized routines" << endmsg;
213 compute_peak = x86_sse_compute_peak;
214 find_peaks = x86_sse_find_peaks;
215 apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
216 mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
217 mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
219 generic_mix_functions = false;
223 #elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
226 if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
229 if (sysVersion >= 0x00001040) { // Tiger at least
230 compute_peak = veclib_compute_peak;
231 find_peaks = veclib_find_peaks;
232 apply_gain_to_buffer = veclib_apply_gain_to_buffer;
233 mix_buffers_with_gain = veclib_mix_buffers_with_gain;
234 mix_buffers_no_gain = veclib_mix_buffers_no_gain;
236 generic_mix_functions = false;
238 info << "Apple VecLib H/W specific optimizations in use" << endmsg;
242 /* consider FPU denormal handling to be "h/w optimization" */
247 if (generic_mix_functions) {
249 compute_peak = default_compute_peak;
250 find_peaks = default_find_peaks;
251 apply_gain_to_buffer = default_apply_gain_to_buffer;
252 mix_buffers_with_gain = default_mix_buffers_with_gain;
253 mix_buffers_no_gain = default_mix_buffers_no_gain;
255 info << "No H/W specific optimizations in use" << endmsg;
260 lotsa_files_please ()
264 if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
266 rl.rlim_cur = rl.rlim_max;
268 if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
269 if (rl.rlim_cur == RLIM_INFINITY) {
270 error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
272 error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
275 if (rl.rlim_cur == RLIM_INFINITY) {
276 info << _("Removed open file count limit. Excellent!") << endmsg;
278 info << string_compose (_("Ardour will be limited to %1 open files"), rl.rlim_cur) << endmsg;
282 error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
287 ARDOUR::init (bool use_vst, bool try_optimization)
289 if (!Glib::thread_supported()) {
293 (void) bindtextdomain(PACKAGE, LOCALEDIR);
296 SessionEvent::init_event_pool ();
299 /* provide a state version for the few cases that need it and are not
300 driven by reading state from disk (e.g. undo/redo)
303 Stateful::current_state_version = CURRENT_SESSION_FILE_VERSION;
305 setup_enum_writer ();
307 // allow ardour the absolute maximum number of open files
308 lotsa_files_please ();
311 Library = new AudioLibrary;
313 BootMessage (_("Loading configuration"));
315 Config = new RCConfiguration;
317 if (Config->load_state ()) {
322 Config->set_use_vst (use_vst);
324 cerr << "After config loaded, MTC port name = " << Config->get_mtc_port_name() << endl;
326 Profile = new RuntimeProfile;
330 if (Config->get_use_vst() && fst_init (0)) {
335 #ifdef HAVE_AUDIOUNITS
336 AUPluginInfo::load_cached_info ();
339 /* Make VAMP look in our library ahead of anything else */
341 char *p = getenv ("VAMP_PATH");
342 string vamppath = VAMP_DIR;
347 setenv ("VAMP_PATH", vamppath.c_str(), 1);
350 setup_hardware_optimization (try_optimization);
352 SourceFactory::init ();
355 /* singleton - first object is "it" */
356 new PluginManager ();
358 BoundsChanged = Change (StartChanged|PositionChanged|LengthChanged);
364 ARDOUR::init_post_engine ()
366 ControlProtocolManager::instance().discover_control_protocols ();
369 if ((node = Config->control_protocol_state()) != 0) {
370 ControlProtocolManager::instance().set_state (*node, Stateful::loading_state_version);
379 delete &ControlProtocolManager::instance();
387 ARDOUR::new_change ()
390 static uint32_t change_bit = 1;
392 /* catch out-of-range */
395 fatal << _("programming error: ")
396 << "change_bit out of range in ARDOUR::new_change()"
401 c = Change (change_bit);
402 change_bit <<= 1; // if it shifts too far, change_bit == 0
408 ARDOUR::get_ardour_revision ()
414 ARDOUR::find_bindings_files (map<string,string>& files)
416 vector<sys::path> found;
417 SearchPath spath = ardour_search_path() + user_config_directory() + system_config_search_path();
419 if (getenv ("ARDOUR_SAE")) {
420 Glib::PatternSpec pattern("*SAE-*.bindings");
421 find_matching_files_in_search_path (spath, pattern, found);
423 Glib::PatternSpec pattern("*.bindings");
424 find_matching_files_in_search_path (spath, pattern, found);
431 for (vector<sys::path>::iterator x = found.begin(); x != found.end(); ++x) {
433 pair<string,string> namepath;
434 namepath.second = path.to_string();
435 namepath.first = path.leaf().substr (0, path.leaf().find_first_of ('.'));
436 files.insert (namepath);
441 ARDOUR::no_auto_connect()
443 return getenv ("ARDOUR_NO_AUTOCONNECT") != 0;
450 if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
451 // valgrind doesn't understand this assembler stuff
452 // September 10th, 2007
456 #if defined(ARCH_X86) && defined(USE_XMMINTRIN)
461 /* XXX use real code to determine if the processor supports
462 DenormalsAreZero and FlushToZero
465 if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
469 MXCSR = _mm_getcsr();
471 switch (Config->get_denormal_model()) {
473 MXCSR &= ~(_MM_FLUSH_ZERO_ON|0x8000);
477 if (fpu.has_flush_to_zero()) {
478 MXCSR |= _MM_FLUSH_ZERO_ON;
483 MXCSR &= ~_MM_FLUSH_ZERO_ON;
484 if (fpu.has_denormals_are_zero()) {
490 if (fpu.has_flush_to_zero()) {
491 if (fpu.has_denormals_are_zero()) {
492 MXCSR |= _MM_FLUSH_ZERO_ON | 0x8000;
494 MXCSR |= _MM_FLUSH_ZERO_ON;
506 ARDOUR::coverage (nframes_t sa, nframes_t ea,
507 nframes_t sb, nframes_t eb)
509 /* OverlapType returned reflects how the second (B)
510 range overlaps the first (A).
512 The diagrams show various relative placements
513 of A and B for each OverlapType.
516 Internal: the start points cannot coincide
517 External: the start and end points can coincide
518 Start: end points can coincide
519 End: start points can coincide
521 XXX Logically, Internal should disallow end
526 |--------------------| A
528 |-----------------| B
535 if ((sb >= sa) && (eb <= ea)) {
537 if ((sb > sa) && (eb <= ea)) {
539 return OverlapInternal;
543 |--------------------| A
545 -----------------------| B
548 "B overlaps the start of A"
552 if ((eb >= sa) && (eb <= ea)) {
556 |---------------------| A
558 |----------------------- B
561 "B overlaps the end of A"
564 if ((sb > sa) && (sb <= ea)) {
568 |--------------------| A
569 -------------------------- B
570 |----------------------- B
571 ----------------------| B
572 |--------------------| B
575 "B overlaps all of A"
577 if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
578 return OverlapExternal;