2 Copyright (C) 2000 Paul Davis
3 Copyright (C) 2005 Sampo Savolainen
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <cstdio> // Needed so that libraptor (included in lrdf) won't complain
24 #include <sys/types.h>
35 #include <pbd/error.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>
50 #include <ardour/mix.h>
52 #if defined (__APPLE__)
53 #include <Carbon/Carbon.h> // For Gestalt
58 ARDOUR::Configuration* ARDOUR::Config = 0;
59 ARDOUR::AudioLibrary* ARDOUR::Library = 0;
61 using namespace ARDOUR;
64 MIDI::Port *default_mmc_port = 0;
65 MIDI::Port *default_mtc_port = 0;
66 MIDI::Port *default_midi_port = 0;
68 Change ARDOUR::StartChanged = ARDOUR::new_change ();
69 Change ARDOUR::LengthChanged = ARDOUR::new_change ();
70 Change ARDOUR::PositionChanged = ARDOUR::new_change ();
71 Change ARDOUR::NameChanged = ARDOUR::new_change ();
72 Change ARDOUR::BoundsChanged = Change (0); // see init(), below
78 std::map<string,Configuration::MidiPortDescriptor*>::iterator i;
81 if ((nports = Config->midi_ports.size()) == 0) {
82 warning << _("no MIDI ports specified: no MMC or MTC control possible") << endmsg;
86 for (i = Config->midi_ports.begin(); i != Config->midi_ports.end(); ++i) {
87 Configuration::MidiPortDescriptor* port_descriptor;
89 port_descriptor = (*i).second;
91 MIDI::PortRequest request (port_descriptor->device,
93 port_descriptor->mode,
94 port_descriptor->type);
96 if (request.status != MIDI::PortRequest::OK) {
97 error << string_compose(_("MIDI port specifications for \"%1\" are not understandable."), port_descriptor->tag) << endmsg;
101 MIDI::Manager::instance()->add_port (request);
106 /* More than one port, so try using specific names for each port */
108 map<string,Configuration::MidiPortDescriptor *>::iterator i;
110 if (Config->get_mmc_port_name() != N_("default")) {
111 default_mmc_port = MIDI::Manager::instance()->port (Config->get_mmc_port_name());
114 if (Config->get_mtc_port_name() != N_("default")) {
115 default_mtc_port = MIDI::Manager::instance()->port (Config->get_mtc_port_name());
118 if (Config->get_midi_port_name() != N_("default")) {
119 default_midi_port = MIDI::Manager::instance()->port (Config->get_midi_port_name());
122 /* If that didn't work, just use the first listed port */
124 if (default_mmc_port == 0) {
125 default_mmc_port = MIDI::Manager::instance()->port (0);
128 if (default_mtc_port == 0) {
129 default_mtc_port = MIDI::Manager::instance()->port (0);
132 if (default_midi_port == 0) {
133 default_midi_port = MIDI::Manager::instance()->port (0);
138 /* Only one port described, so use it for both MTC and MMC */
140 default_mmc_port = MIDI::Manager::instance()->port (0);
141 default_mtc_port = default_mmc_port;
142 default_midi_port = default_mmc_port;
145 if (default_mmc_port == 0) {
146 warning << string_compose (_("No MMC control (MIDI port \"%1\" not available)"), Config->get_mmc_port_name())
151 if (default_mtc_port == 0) {
152 warning << string_compose (_("No MTC support (MIDI port \"%1\" not available)"), Config->get_mtc_port_name())
156 if (default_midi_port == 0) {
157 warning << string_compose (_("No MIDI parameter support (MIDI port \"%1\" not available)"), Config->get_midi_port_name())
165 ARDOUR::init (AudioEngine& engine, bool use_vst, bool try_optimization, void (*sighandler)(int,siginfo_t*,void*))
167 bool generic_mix_functions = true;
169 (void) bindtextdomain(PACKAGE, LOCALEDIR);
171 Config = new Configuration;
173 if (Config->load_state ()) {
177 Config->set_use_vst (use_vst);
184 if (Config->get_use_vst() && fst_init (sighandler)) {
189 if (try_optimization) {
191 #if defined (ARCH_X86) && defined (BUILD_SSE_OPTIMIZATIONS)
193 unsigned int use_sse = 0;
200 "andl $33554432, %%edx\n"
204 : "%eax", "%ecx", "%edx", "memory");
207 cerr << "Enabling SSE optimized routines" << endl;
210 Session::compute_peak = x86_sse_compute_peak;
211 Session::apply_gain_to_buffer = x86_sse_apply_gain_to_buffer;
212 Session::mix_buffers_with_gain = x86_sse_mix_buffers_with_gain;
213 Session::mix_buffers_no_gain = x86_sse_mix_buffers_no_gain;
215 generic_mix_functions = false;
219 #elif defined (__APPLE__)
222 if (noErr != Gestalt(gestaltSystemVersion, &sysVersion))
225 if (sysVersion >= 0x00001040) { // Tiger at least
226 Session::compute_peak = veclib_compute_peak;
227 Session::apply_gain_to_buffer = veclib_apply_gain_to_buffer;
228 Session::mix_buffers_with_gain = veclib_mix_buffers_with_gain;
229 Session::mix_buffers_no_gain = veclib_mix_buffers_no_gain;
231 generic_mix_functions = false;
233 info << "Apple VecLib H/W specific optimizations in use" << endmsg;
238 if (generic_mix_functions) {
240 Session::compute_peak = compute_peak;
241 Session::apply_gain_to_buffer = apply_gain_to_buffer;
242 Session::mix_buffers_with_gain = mix_buffers_with_gain;
243 Session::mix_buffers_no_gain = mix_buffers_no_gain;
245 info << "No H/W specific optimizations in use" << endmsg;
249 Library = new AudioLibrary;
251 /* singleton - first object is "it" */
252 new PluginManager (engine);
254 BoundsChanged = Change (StartChanged|PositionChanged|LengthChanged);
274 ARDOUR::new_change ()
277 static uint32_t change_bit = 1;
279 /* XXX catch out-of-range */
281 c = Change (change_bit);
288 find_file (string name, string dir)
292 /* stop A: ~/.ardour/... */
294 path = getenv ("HOME");
300 /* try to ensure that the directory exists.
301 failure doesn't mean much here.
304 mkdir (path.c_str(), 0755);
308 if (access (path.c_str(), R_OK) == 0) {
313 /* stop B: dir/... */
319 if (access (path.c_str(), R_OK) == 0) {
327 ARDOUR::find_config_file (string name)
330 if ((envvar = getenv("ARDOUR_CONFIG_PATH")) == 0) {
334 return find_file (name, envvar);
338 ARDOUR::find_data_file (string name)
341 if ((envvar = getenv("ARDOUR_DATA_PATH")) == 0) {
345 return find_file (name, envvar);
348 ARDOUR::LocaleGuard::LocaleGuard (const char* str)
350 old = strdup (setlocale (LC_NUMERIC, NULL));
351 if (strcmp (old, str)) {
352 setlocale (LC_NUMERIC, str);
356 ARDOUR::LocaleGuard::~LocaleGuard ()
358 setlocale (LC_NUMERIC, old);
363 ARDOUR::coverage (jack_nframes_t sa, jack_nframes_t ea,
364 jack_nframes_t sb, jack_nframes_t eb)
366 /* OverlapType returned reflects how the second (B)
367 range overlaps the first (A).
369 The diagrams show various relative placements
370 of A and B for each OverlapType.
373 Internal: the start points cannot coincide
374 External: the start and end points can coincide
375 Start: end points can coincide
376 End: start points can coincide
378 XXX Logically, Internal should disallow end
383 |--------------------| A
385 |-----------------| B
392 if ((sb >= sa) && (eb <= ea)) {
394 if ((sb > sa) && (eb <= ea)) {
396 return OverlapInternal;
400 |--------------------| A
402 -----------------------| B
405 "B overlaps the start of A"
409 if ((eb >= sa) && (eb <= ea)) {
413 |---------------------| A
415 |----------------------- B
418 "B overlaps the end of A"
421 if ((sb >= sa) && (sb <= ea)) {
425 |--------------------| A
426 -------------------------- B
427 |----------------------- B
428 ----------------------| B
429 |--------------------| B
432 "B overlaps all of A"
434 if ((sa >= sb) && (sa <= eb) && (ea <= eb)) {
435 return OverlapExternal;