2 Copyright (C) 2000-2003 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.
20 #include <cstdio> /* for sprintf */
27 #include <sys/types.h>
37 #include <pbd/error.h>
38 #include <pbd/stacktrace.h>
39 #include <pbd/xml++.h>
40 #include <pbd/basename.h>
41 #include <ardour/utils.h>
45 using namespace ARDOUR;
51 elapsed_time_to_str (char *buf, uint32_t seconds)
60 days = s / (3600 * 24);
61 s -= (days * 3600 * 24);
68 snprintf (buf, sizeof (buf), "%" PRIu32 " day%s %" PRIu32 " hour%s",
72 hours > 1 ? "s" : "");
74 snprintf (buf, sizeof (buf), "%" PRIu32 " hour%s %" PRIu32 " minute%s",
78 minutes > 1 ? "s" : "");
80 snprintf (buf, sizeof (buf), "%" PRIu32 " minute%s",
82 minutes > 1 ? "s" : "");
84 snprintf (buf, sizeof (buf), "%" PRIu32 " second%s",
86 seconds > 1 ? "s" : "");
88 snprintf (buf, sizeof (buf), "no time");
93 legalize_for_path (ustring str)
95 ustring::size_type pos;
96 ustring legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
102 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
103 legal.replace (pos, 1, "_");
110 string bump_name_once(std::string name)
112 string::size_type period;
115 if ((period = name.find_last_of ('.')) == string::npos) {
120 const char *last_element = name.c_str() + period + 1;
121 for (size_t i = 0; i < strlen(last_element); i++) {
122 if (!isdigit(last_element[i])) {
129 long int version = strtol (name.c_str()+period+1, (char **)NULL, 10);
131 if (isnumber == 0 || errno != 0) {
132 // last_element is not a number, or is too large
138 snprintf (buf, sizeof(buf), "%ld", version+1);
140 newname = name.substr (0, period+1);
150 operator<< (ostream& o, const BBT_Time& bbt)
152 o << bbt.bars << '|' << bbt.beats << '|' << bbt.ticks;
157 find_named_node (const XMLNode& node, string name)
160 XMLNodeConstIterator niter;
163 nlist = node.children();
165 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
169 if (child->name() == name) {
178 cmp_nocase (const string& s, const string& s2)
180 string::const_iterator p = s.begin();
181 string::const_iterator p2 = s2.begin();
183 while (p != s.end() && p2 != s2.end()) {
184 if (toupper(*p) != toupper(*p2)) {
185 return (toupper(*p) < toupper(*p2)) ? -1 : 1;
191 return (s2.size() == s.size()) ? 0 : (s.size() < s2.size()) ? -1 : 1;
195 tokenize_fullpath (string fullpath, string& path, string& name)
197 string::size_type m = fullpath.find_last_of("/");
199 if (m == string::npos) {
205 // does it look like just a directory?
206 if (m == fullpath.length()-1) {
209 path = fullpath.substr(0, m+1);
211 string::size_type n = fullpath.find(".ardour", m);
213 if (n == string::npos) {
216 name = fullpath.substr(m+1, n - m - 1);
221 touch_file (ustring path)
223 int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
232 region_name_from_path (ustring path, bool strip_channels, bool add_channel_suffix, uint32_t total, uint32_t this_one)
234 path = PBD::basename_nosuffix (path);
236 if (strip_channels) {
238 /* remove any "?R", "?L" or "?[a-z]" channel identifier */
240 ustring::size_type len = path.length();
242 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
243 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
245 path = path.substr (0, path.length() - 2);
249 if (add_channel_suffix) {
254 path += (char) ('a' + this_one);
256 path += (char) (this_one == 0 ? 'L' : 'R');
264 path_is_paired (ustring path, ustring& pair_base)
266 ustring::size_type pos;
268 /* remove filename suffixes etc. */
270 if ((pos = path.find_last_of ('.')) != string::npos) {
271 path = path.substr (0, pos);
274 ustring::size_type len = path.length();
276 /* look for possible channel identifier: "?R", "%R", ".L" etc. */
278 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
279 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
281 pair_base = path.substr (0, len-2);
290 path_expand (ustring path)
293 /* Handle tilde and environment variable expansion in session path */
297 switch (wordexp (path.c_str(), &expansion, WRDE_NOCMD|WRDE_UNDEF)) {
301 error << string_compose (_("illegal or badly-formed string used for path (%1)"), path) << endmsg;
305 if (expansion.we_wordc > 1) {
306 error << string_compose (_("path (%1) is ambiguous"), path) << endmsg;
310 ret = expansion.we_wordv[0];
312 wordfree (&expansion);
320 #if defined(HAVE_COREAUDIO) || defined(HAVE_AUDIOUNITS)
322 CFStringRefToStdString(CFStringRef stringRef)
325 CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) ,
326 kCFStringEncodingUTF8);
327 char *buf = new char[size];
331 if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
337 #endif // HAVE_COREAUDIO
340 compute_equal_power_fades (nframes_t nframes, float* in, float* out)
348 for (nframes_t i = 1; i < nframes - 1; ++i) {
349 in[i] = in[i-1] + step;
354 const float pan_law_attenuation = -3.0f;
355 const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
357 for (nframes_t n = 0; n < nframes; ++n) {
359 float outVal = 1 - inVal;
360 out[n] = outVal * (scale * outVal + 1.0f - scale);
361 in[n] = inVal * (scale * inVal + 1.0f - scale);
366 string_to_edit_mode (string str)
368 if (str == _("Splice Edit")) {
370 } else if (str == _("Slide Edit")) {
372 } else if (str == _("Lock Edit")) {
375 fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
381 edit_mode_to_string (EditMode mode)
385 return _("Slide Edit");
388 return _("Lock Edit");
392 return _("Splice Edit");
397 string_to_slave_source (string str)
399 if (str == _("Internal")) {
403 if (str == _("MTC")) {
407 if (str == _("JACK")) {
411 fatal << string_compose (_("programming error: unknown slave source string \"%1\""), str) << endmsg;
417 slave_source_to_string (SlaveSource src)
428 return _("Internal");
433 /* I don't really like hard-coding these falloff rates here
434 * Probably should use a map of some kind that could be configured
435 * These rates are db/sec.
438 #define METER_FALLOFF_OFF 0.0f
439 #define METER_FALLOFF_SLOWEST 6.6f // BBC standard
440 #define METER_FALLOFF_SLOW 8.6f // BBC standard
441 #define METER_FALLOFF_MEDIUM 20.0f
442 #define METER_FALLOFF_FAST 32.0f
443 #define METER_FALLOFF_FASTER 46.0f
444 #define METER_FALLOFF_FASTEST 70.0f
447 meter_falloff_to_float (MeterFalloff falloff)
450 case MeterFalloffOff:
451 return METER_FALLOFF_OFF;
452 case MeterFalloffSlowest:
453 return METER_FALLOFF_SLOWEST;
454 case MeterFalloffSlow:
455 return METER_FALLOFF_SLOW;
456 case MeterFalloffMedium:
457 return METER_FALLOFF_MEDIUM;
458 case MeterFalloffFast:
459 return METER_FALLOFF_FAST;
460 case MeterFalloffFaster:
461 return METER_FALLOFF_FASTER;
462 case MeterFalloffFastest:
463 return METER_FALLOFF_FASTEST;
465 return METER_FALLOFF_FAST;
470 meter_falloff_from_float (float val)
472 if (val == METER_FALLOFF_OFF) {
473 return MeterFalloffOff;
475 else if (val <= METER_FALLOFF_SLOWEST) {
476 return MeterFalloffSlowest;
478 else if (val <= METER_FALLOFF_SLOW) {
479 return MeterFalloffSlow;
481 else if (val <= METER_FALLOFF_MEDIUM) {
482 return MeterFalloffMedium;
484 else if (val <= METER_FALLOFF_FAST) {
485 return MeterFalloffFast;
487 else if (val <= METER_FALLOFF_FASTER) {
488 return MeterFalloffFaster;
491 return MeterFalloffFastest;
496 meter_hold_to_float (MeterHold hold)
503 case MeterHoldMedium:
512 ARDOUR::string_to_auto_state (std::string str)
514 if (str == X_("Off")) {
516 } else if (str == X_("Play")) {
518 } else if (str == X_("Write")) {
520 } else if (str == X_("Touch")) {
524 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState string: ", str) << endmsg;
530 ARDOUR::auto_state_to_string (AutoState as)
532 /* to be used only for XML serialization, no i18n done */
548 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState type: ", as) << endmsg;
554 ARDOUR::string_to_auto_style (std::string str)
556 if (str == X_("Absolute")) {
558 } else if (str == X_("Trim")) {
562 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle string: ", str) << endmsg;
568 ARDOUR::auto_style_to_string (AutoStyle as)
570 /* to be used only for XML serialization, no i18n done */
574 return X_("Absolute");
581 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle type: ", as) << endmsg;
587 void c_stacktrace() { stacktrace (cerr); }