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/source_factory.h"
76 #include "ardour/utils.h"
78 #if defined (__APPLE__)
79 #include <Carbon/Carbon.h> // For Gestalt
84 ARDOUR::RCConfiguration* ARDOUR::Config = 0;
85 ARDOUR::RuntimeProfile* ARDOUR::Profile = 0;
86 ARDOUR::AudioLibrary* ARDOUR::Library = 0;
88 using namespace ARDOUR;
92 uint64_t ARDOUR::debug_bits = 0x0;
94 MIDI::Port *ARDOUR::default_mmc_port = 0;
95 MIDI::Port *ARDOUR::default_mtc_port = 0;
96 MIDI::Port *ARDOUR::default_midi_port = 0;
97 MIDI::Port *ARDOUR::default_midi_clock_port = 0;
99 Change ARDOUR::StartChanged = ARDOUR::new_change ();
100 Change ARDOUR::LengthChanged = ARDOUR::new_change ();
101 Change ARDOUR::PositionChanged = ARDOUR::new_change ();
102 Change ARDOUR::NameChanged = ARDOUR::new_change ();
103 Change ARDOUR::BoundsChanged = Change (0); // see init(), below
105 compute_peak_t ARDOUR::compute_peak = 0;
106 find_peaks_t ARDOUR::find_peaks = 0;
107 apply_gain_to_buffer_t ARDOUR::apply_gain_to_buffer = 0;
108 mix_buffers_with_gain_t ARDOUR::mix_buffers_with_gain = 0;
109 mix_buffers_no_gain_t ARDOUR::mix_buffers_no_gain = 0;
111 sigc::signal<void,std::string> ARDOUR::BootMessage;
114 ARDOUR::debug_print (const char* prefix, std::string str)
116 cerr << prefix << ": " << str;
120 ARDOUR::set_debug_bits (uint64_t bits)
126 ARDOUR::setup_midi ()
128 if (Config->midi_ports.size() == 0) {
129 //warning << _("no MIDI ports specified: no MMC or MTC control possible") << endmsg;
133 BootMessage (_("Configuring MIDI ports"));
135 for (std::map<string,XMLNode>::iterator i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
136 MIDI::Manager::instance()->add_port (i->second);
140 const MIDI::Manager::PortMap& ports = MIDI::Manager::instance()->get_midi_ports();
142 if (ports.size() > 1) {
144 first = ports.begin()->second;
146 /* More than one port, so try using specific names for each port */
148 if (Config->get_mmc_port_name() != N_("control")) {
149 default_mmc_port = MIDI::Manager::instance()->port (Config->get_mmc_port_name());
152 if (Config->get_mtc_port_name() != N_("control")) {
153 default_mtc_port = MIDI::Manager::instance()->port (Config->get_mtc_port_name());
156 if (Config->get_midi_port_name() != N_("control")) {
157 default_midi_port = MIDI::Manager::instance()->port (Config->get_midi_port_name());
160 if (Config->get_midi_clock_port_name() != N_("control")) {
161 default_midi_port = MIDI::Manager::instance()->port (Config->get_midi_clock_port_name());
164 /* If that didn't work, just use the first listed port */
166 if (default_mmc_port == 0) {
167 default_mmc_port = first;
170 if (default_mtc_port == 0) {
171 default_mtc_port = first;
174 if (default_midi_port == 0) {
175 default_midi_port = first;
178 if (default_midi_clock_port == 0) {
179 default_midi_clock_port = first;
182 } else if (ports.size() == 1) {
184 first = ports.begin()->second;
186 /* Only one port described, so use it for both MTC and MMC */
188 default_mmc_port = first;
189 default_mtc_port = default_mmc_port;
190 default_midi_port = default_mmc_port;
191 default_midi_clock_port = default_mmc_port;
194 if (default_mmc_port == 0) {
195 warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name())
201 if (default_mtc_port == 0) {
202 warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name())
206 if (default_midi_port == 0) {
207 warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name())
211 if (default_midi_clock_port == 0) {
212 warning << string_compose (_("No MIDI Clock support (MIDI port \"%1\" not available)"), Config->get_midi_clock_port_name())
220 setup_hardware_optimization (bool try_optimization)
222 bool generic_mix_functions = true;
224 if (try_optimization) {
228 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
232 info << "Using SSE optimized routines" << endmsg;
235 compute_peak = x86_sse_compute_peak;
236 find_peaks = x86_sse_find_peaks;
237 apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
238 mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
239 mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
241 generic_mix_functions = false;
245 #elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
248 if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
251 if (sysVersion >= 0x00001040) { // Tiger at least
252 compute_peak = veclib_compute_peak;
253 find_peaks = veclib_find_peaks;
254 apply_gain_to_buffer = veclib_apply_gain_to_buffer;
255 mix_buffers_with_gain = veclib_mix_buffers_with_gain;
256 mix_buffers_no_gain = veclib_mix_buffers_no_gain;
258 generic_mix_functions = false;
260 info << "Apple VecLib H/W specific optimizations in use" << endmsg;
264 /* consider FPU denormal handling to be "h/w optimization" */
269 if (generic_mix_functions) {
271 compute_peak = default_compute_peak;
272 find_peaks = default_find_peaks;
273 apply_gain_to_buffer = default_apply_gain_to_buffer;
274 mix_buffers_with_gain = default_mix_buffers_with_gain;
275 mix_buffers_no_gain = default_mix_buffers_no_gain;
277 info << "No H/W specific optimizations in use" << endmsg;
282 lotsa_files_please ()
286 if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
288 rl.rlim_cur = rl.rlim_max;
290 if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
291 if (rl.rlim_cur == RLIM_INFINITY) {
292 error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
294 error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
297 if (rl.rlim_cur == RLIM_INFINITY) {
298 info << _("Removed open file count limit. Excellent!") << endmsg;
300 info << string_compose (_("Ardour will be limited to %1 open files"), rl.rlim_cur) << endmsg;
304 error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
309 ARDOUR::init (bool use_vst, bool try_optimization)
311 if (!Glib::thread_supported())
316 extern void setup_enum_writer ();
318 (void) bindtextdomain(PACKAGE, LOCALEDIR);
320 /* provide a state version for the few cases that need it and are not
321 driven by reading state from disk (e.g. undo/redo)
324 Stateful::current_state_version = CURRENT_SESSION_FILE_VERSION;
326 setup_enum_writer ();
328 // allow ardour the absolute maximum number of open files
329 lotsa_files_please ();
332 Library = new AudioLibrary;
334 BootMessage (_("Loading configuration"));
336 Config = new RCConfiguration;
338 if (Config->load_state ()) {
342 Config->set_use_vst (use_vst);
344 Profile = new RuntimeProfile;
348 if (Config->get_use_vst() && fst_init (0)) {
353 #ifdef HAVE_AUDIOUNITS
354 AUPluginInfo::load_cached_info ();
357 /* Make VAMP look in our library ahead of anything else */
359 char *p = getenv ("VAMP_PATH");
360 string vamppath = VAMP_DIR;
365 setenv ("VAMP_PATH", vamppath.c_str(), 1);
368 setup_hardware_optimization (try_optimization);
370 SourceFactory::init ();
373 /* singleton - first object is "it" */
374 new PluginManager ();
376 BoundsChanged = Change (StartChanged|PositionChanged|LengthChanged);
382 ARDOUR::init_post_engine ()
384 ControlProtocolManager::instance().discover_control_protocols ();
387 if ((node = Config->control_protocol_state()) != 0) {
388 ControlProtocolManager::instance().set_state (*node, Stateful::loading_state_version);
397 delete &ControlProtocolManager::instance();
405 ARDOUR::new_change ()
408 static uint32_t change_bit = 1;
410 /* catch out-of-range */
413 fatal << _("programming error: ")
414 << "change_bit out of range in ARDOUR::new_change()"
419 c = Change (change_bit);
420 change_bit <<= 1; // if it shifts too far, change_bit == 0
426 ARDOUR::get_ardour_revision ()
432 ARDOUR::find_bindings_files (map<string,string>& files)
434 vector<sys::path> found;
435 SearchPath spath = ardour_search_path() + user_config_directory() + system_config_search_path();
437 if (getenv ("ARDOUR_SAE")) {
438 Glib::PatternSpec pattern("*SAE-*.bindings");
439 find_matching_files_in_search_path (spath, pattern, found);
441 Glib::PatternSpec pattern("*.bindings");
442 find_matching_files_in_search_path (spath, pattern, found);
449 for (vector<sys::path>::iterator x = found.begin(); x != found.end(); ++x) {
451 pair<string,string> namepath;
452 namepath.second = path.to_string();
453 namepath.first = path.leaf().substr (0, path.leaf().find_first_of ('.'));
454 files.insert (namepath);
459 ARDOUR::no_auto_connect()
461 return getenv ("ARDOUR_NO_AUTOCONNECT") != 0;
468 if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
469 // valgrind doesn't understand this assembler stuff
470 // September 10th, 2007
474 #if defined(ARCH_X86) && defined(USE_XMMINTRIN)
479 /* XXX use real code to determine if the processor supports
480 DenormalsAreZero and FlushToZero
483 if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
487 MXCSR = _mm_getcsr();
489 switch (Config->get_denormal_model()) {
491 MXCSR &= ~(_MM_FLUSH_ZERO_ON|0x8000);
495 if (fpu.has_flush_to_zero()) {
496 MXCSR |= _MM_FLUSH_ZERO_ON;
501 MXCSR &= ~_MM_FLUSH_ZERO_ON;
502 if (fpu.has_denormals_are_zero()) {
508 if (fpu.has_flush_to_zero()) {
509 if (fpu.has_denormals_are_zero()) {
510 MXCSR |= _MM_FLUSH_ZERO_ON | 0x8000;
512 MXCSR |= _MM_FLUSH_ZERO_ON;
524 ARDOUR::coverage (nframes_t sa, nframes_t ea,
525 nframes_t sb, nframes_t eb)
527 /* OverlapType returned reflects how the second (B)
528 range overlaps the first (A).
530 The diagrams show various relative placements
531 of A and B for each OverlapType.
534 Internal: the start points cannot coincide
535 External: the start and end points can coincide
536 Start: end points can coincide
537 End: start points can coincide
539 XXX Logically, Internal should disallow end
544 |--------------------| A
546 |-----------------| B
553 if ((sb >= sa) && (eb <= ea)) {
555 if ((sb > sa) && (eb <= ea)) {
557 return OverlapInternal;
561 |--------------------| A
563 -----------------------| B
566 "B overlaps the start of A"
570 if ((eb >= sa) && (eb <= ea)) {
574 |---------------------| A
576 |----------------------- B
579 "B overlaps the end of A"
582 if ((sb > sa) && (sb <= ea)) {
586 |--------------------| A
587 -------------------------- B
588 |----------------------- B
589 ----------------------| B
590 |--------------------| B
593 "B overlaps all of A"
595 if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
596 return OverlapExternal;