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) {
132 BootMessage (_("Configuring MIDI ports"));
134 for (std::map<string,XMLNode>::iterator i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
135 MIDI::Manager::instance()->add_port (i->second);
139 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 default_mmc_port = MIDI::Manager::instance()->port (Config->get_mmc_port_name());
149 default_mtc_port = MIDI::Manager::instance()->port (Config->get_mtc_port_name());
150 default_midi_port = MIDI::Manager::instance()->port (Config->get_midi_port_name());
151 default_midi_clock_port = MIDI::Manager::instance()->port (Config->get_midi_clock_port_name());
153 /* If that didn't work, just use the first listed port */
155 if (default_mmc_port == 0) {
156 default_mmc_port = first;
159 if (default_mtc_port == 0) {
160 default_mtc_port = first;
163 if (default_midi_port == 0) {
164 default_midi_port = first;
167 if (default_midi_clock_port == 0) {
168 default_midi_clock_port = first;
171 } else if (ports.size() == 1) {
173 first = ports.begin()->second;
175 /* Only one port described, so use it for both MTC and MMC */
177 default_mmc_port = first;
178 default_mtc_port = default_mmc_port;
179 default_midi_port = default_mmc_port;
180 default_midi_clock_port = default_mmc_port;
183 if (default_mmc_port == 0) {
184 warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name())
189 if (default_mtc_port == 0) {
190 warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name())
194 if (default_midi_port == 0) {
195 warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name())
199 if (default_midi_clock_port == 0) {
200 warning << string_compose (_("No MIDI Clock support (MIDI port \"%1\" not available)"), Config->get_midi_clock_port_name())
208 setup_hardware_optimization (bool try_optimization)
210 bool generic_mix_functions = true;
212 if (try_optimization) {
216 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
220 info << "Using SSE optimized routines" << endmsg;
223 compute_peak = x86_sse_compute_peak;
224 find_peaks = x86_sse_find_peaks;
225 apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
226 mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
227 mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
229 generic_mix_functions = false;
233 #elif defined (__APPLE__) && defined (BUILD_VECLIB_OPTIMIZATIONS)
236 if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
239 if (sysVersion >= 0x00001040) { // Tiger at least
240 compute_peak = veclib_compute_peak;
241 find_peaks = veclib_find_peaks;
242 apply_gain_to_buffer = veclib_apply_gain_to_buffer;
243 mix_buffers_with_gain = veclib_mix_buffers_with_gain;
244 mix_buffers_no_gain = veclib_mix_buffers_no_gain;
246 generic_mix_functions = false;
248 info << "Apple VecLib H/W specific optimizations in use" << endmsg;
252 /* consider FPU denormal handling to be "h/w optimization" */
257 if (generic_mix_functions) {
259 compute_peak = default_compute_peak;
260 find_peaks = default_find_peaks;
261 apply_gain_to_buffer = default_apply_gain_to_buffer;
262 mix_buffers_with_gain = default_mix_buffers_with_gain;
263 mix_buffers_no_gain = default_mix_buffers_no_gain;
265 info << "No H/W specific optimizations in use" << endmsg;
270 lotsa_files_please ()
274 if (getrlimit (RLIMIT_NOFILE, &rl) == 0) {
276 rl.rlim_cur = rl.rlim_max;
278 if (setrlimit (RLIMIT_NOFILE, &rl) != 0) {
279 if (rl.rlim_cur == RLIM_INFINITY) {
280 error << _("Could not set system open files limit to \"unlimited\"") << endmsg;
282 error << string_compose (_("Could not set system open files limit to %1"), rl.rlim_cur) << endmsg;
285 if (rl.rlim_cur == RLIM_INFINITY) {
286 info << _("Removed open file count limit. Excellent!") << endmsg;
288 info << string_compose (_("Ardour will be limited to %1 open files"), rl.rlim_cur) << endmsg;
292 error << string_compose (_("Could not get system open files limit (%1)"), strerror (errno)) << endmsg;
297 ARDOUR::init (bool use_vst, bool try_optimization)
299 if (!Glib::thread_supported())
304 extern void setup_enum_writer ();
306 (void) bindtextdomain(PACKAGE, LOCALEDIR);
308 /* provide a state version for the few cases that need it and are not
309 driven by reading state from disk (e.g. undo/redo)
312 Stateful::current_state_version = CURRENT_SESSION_FILE_VERSION;
314 setup_enum_writer ();
316 // allow ardour the absolute maximum number of open files
317 lotsa_files_please ();
320 Library = new AudioLibrary;
322 BootMessage (_("Loading configuration"));
324 Config = new RCConfiguration;
326 if (Config->load_state ()) {
331 Config->set_use_vst (use_vst);
333 cerr << "After config loaded, MTC port name = " << Config->get_mtc_port_name() << endl;
335 Profile = new RuntimeProfile;
339 if (Config->get_use_vst() && fst_init (0)) {
344 #ifdef HAVE_AUDIOUNITS
345 AUPluginInfo::load_cached_info ();
348 /* Make VAMP look in our library ahead of anything else */
350 char *p = getenv ("VAMP_PATH");
351 string vamppath = VAMP_DIR;
356 setenv ("VAMP_PATH", vamppath.c_str(), 1);
359 setup_hardware_optimization (try_optimization);
361 SourceFactory::init ();
364 /* singleton - first object is "it" */
365 new PluginManager ();
367 BoundsChanged = Change (StartChanged|PositionChanged|LengthChanged);
373 ARDOUR::init_post_engine ()
375 ControlProtocolManager::instance().discover_control_protocols ();
378 if ((node = Config->control_protocol_state()) != 0) {
379 ControlProtocolManager::instance().set_state (*node, Stateful::loading_state_version);
388 delete &ControlProtocolManager::instance();
396 ARDOUR::new_change ()
399 static uint32_t change_bit = 1;
401 /* catch out-of-range */
404 fatal << _("programming error: ")
405 << "change_bit out of range in ARDOUR::new_change()"
410 c = Change (change_bit);
411 change_bit <<= 1; // if it shifts too far, change_bit == 0
417 ARDOUR::get_ardour_revision ()
423 ARDOUR::find_bindings_files (map<string,string>& files)
425 vector<sys::path> found;
426 SearchPath spath = ardour_search_path() + user_config_directory() + system_config_search_path();
428 if (getenv ("ARDOUR_SAE")) {
429 Glib::PatternSpec pattern("*SAE-*.bindings");
430 find_matching_files_in_search_path (spath, pattern, found);
432 Glib::PatternSpec pattern("*.bindings");
433 find_matching_files_in_search_path (spath, pattern, found);
440 for (vector<sys::path>::iterator x = found.begin(); x != found.end(); ++x) {
442 pair<string,string> namepath;
443 namepath.second = path.to_string();
444 namepath.first = path.leaf().substr (0, path.leaf().find_first_of ('.'));
445 files.insert (namepath);
450 ARDOUR::no_auto_connect()
452 return getenv ("ARDOUR_NO_AUTOCONNECT") != 0;
459 if (getenv ("ARDOUR_RUNNING_UNDER_VALGRIND")) {
460 // valgrind doesn't understand this assembler stuff
461 // September 10th, 2007
465 #if defined(ARCH_X86) && defined(USE_XMMINTRIN)
470 /* XXX use real code to determine if the processor supports
471 DenormalsAreZero and FlushToZero
474 if (!fpu.has_flush_to_zero() && !fpu.has_denormals_are_zero()) {
478 MXCSR = _mm_getcsr();
480 switch (Config->get_denormal_model()) {
482 MXCSR &= ~(_MM_FLUSH_ZERO_ON|0x8000);
486 if (fpu.has_flush_to_zero()) {
487 MXCSR |= _MM_FLUSH_ZERO_ON;
492 MXCSR &= ~_MM_FLUSH_ZERO_ON;
493 if (fpu.has_denormals_are_zero()) {
499 if (fpu.has_flush_to_zero()) {
500 if (fpu.has_denormals_are_zero()) {
501 MXCSR |= _MM_FLUSH_ZERO_ON | 0x8000;
503 MXCSR |= _MM_FLUSH_ZERO_ON;
515 ARDOUR::coverage (nframes_t sa, nframes_t ea,
516 nframes_t sb, nframes_t eb)
518 /* OverlapType returned reflects how the second (B)
519 range overlaps the first (A).
521 The diagrams show various relative placements
522 of A and B for each OverlapType.
525 Internal: the start points cannot coincide
526 External: the start and end points can coincide
527 Start: end points can coincide
528 End: start points can coincide
530 XXX Logically, Internal should disallow end
535 |--------------------| A
537 |-----------------| B
544 if ((sb >= sa) && (eb <= ea)) {
546 if ((sb > sa) && (eb <= ea)) {
548 return OverlapInternal;
552 |--------------------| A
554 -----------------------| B
557 "B overlaps the start of A"
561 if ((eb >= sa) && (eb <= ea)) {
565 |---------------------| A
567 |----------------------- B
570 "B overlaps the end of A"
573 if ((sb > sa) && (sb <= ea)) {
577 |--------------------| A
578 -------------------------- B
579 |----------------------- B
580 ----------------------| B
581 |--------------------| B
584 "B overlaps all of A"
586 if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
587 return OverlapExternal;