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 #define __STDC_FORMAT_MACROS 1
23 #include <cstdio> /* for sprintf */
31 #include <sys/types.h>
41 #include <pbd/error.h>
42 #include <pbd/stacktrace.h>
43 #include <pbd/xml++.h>
44 #include <pbd/basename.h>
45 #include <ardour/utils.h>
49 using namespace ARDOUR;
55 legalize_for_path (ustring str)
57 ustring::size_type pos;
58 ustring legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
64 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
65 legal.replace (pos, 1, "_");
72 string bump_name_once(std::string name)
74 string::size_type period;
77 if ((period = name.find_last_of ('.')) == string::npos) {
82 const char *last_element = name.c_str() + period + 1;
83 for (size_t i = 0; i < strlen(last_element); i++) {
84 if (!isdigit(last_element[i])) {
91 long int version = strtol (name.c_str()+period+1, (char **)NULL, 10);
93 if (isnumber == 0 || errno != 0) {
94 // last_element is not a number, or is too large
100 snprintf (buf, sizeof(buf), "%ld", version+1);
102 newname = name.substr (0, period+1);
112 operator<< (ostream& o, const BBT_Time& bbt)
114 o << bbt.bars << '|' << bbt.beats << '|' << bbt.ticks;
119 find_named_node (const XMLNode& node, string name)
122 XMLNodeConstIterator niter;
125 nlist = node.children();
127 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
131 if (child->name() == name) {
140 cmp_nocase (const string& s, const string& s2)
142 string::const_iterator p = s.begin();
143 string::const_iterator p2 = s2.begin();
145 while (p != s.end() && p2 != s2.end()) {
146 if (toupper(*p) != toupper(*p2)) {
147 return (toupper(*p) < toupper(*p2)) ? -1 : 1;
153 return (s2.size() == s.size()) ? 0 : (s.size() < s2.size()) ? -1 : 1;
157 touch_file (ustring path)
159 int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
168 region_name_from_path (ustring path, bool strip_channels, bool add_channel_suffix, uint32_t total, uint32_t this_one)
170 path = PBD::basename_nosuffix (path);
172 if (strip_channels) {
174 /* remove any "?R", "?L" or "?[a-z]" channel identifier */
176 ustring::size_type len = path.length();
178 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
179 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
181 path = path.substr (0, path.length() - 2);
185 if (add_channel_suffix) {
190 path += (char) ('a' + this_one);
192 path += (char) (this_one == 0 ? 'L' : 'R');
200 path_is_paired (ustring path, ustring& pair_base)
202 ustring::size_type pos;
204 /* remove any leading path */
206 if ((pos = path.find_last_of ('/')) != string::npos) {
207 path = path.substr(pos+1);
210 /* remove filename suffixes etc. */
212 if ((pos = path.find_last_of ('.')) != string::npos) {
213 path = path.substr (0, pos);
216 ustring::size_type len = path.length();
218 /* look for possible channel identifier: "?R", "%R", ".L" etc. */
220 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
221 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
223 pair_base = path.substr (0, len-2);
232 path_expand (ustring path)
235 /* Handle tilde and environment variable expansion in session path */
239 switch (wordexp (path.c_str(), &expansion, WRDE_NOCMD|WRDE_UNDEF)) {
243 error << string_compose (_("illegal or badly-formed string used for path (%1)"), path) << endmsg;
247 if (expansion.we_wordc > 1) {
248 error << string_compose (_("path (%1) is ambiguous"), path) << endmsg;
252 ret = expansion.we_wordv[0];
254 wordfree (&expansion);
262 #if defined(HAVE_COREAUDIO) || defined(HAVE_AUDIOUNITS)
264 CFStringRefToStdString(CFStringRef stringRef)
267 CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) ,
268 kCFStringEncodingUTF8);
269 char *buf = new char[size];
273 if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
279 #endif // HAVE_COREAUDIO
282 compute_equal_power_fades (nframes_t nframes, float* in, float* out)
290 for (nframes_t i = 1; i < nframes - 1; ++i) {
291 in[i] = in[i-1] + step;
296 const float pan_law_attenuation = -3.0f;
297 const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
299 for (nframes_t n = 0; n < nframes; ++n) {
301 float outVal = 1 - inVal;
302 out[n] = outVal * (scale * outVal + 1.0f - scale);
303 in[n] = inVal * (scale * inVal + 1.0f - scale);
308 string_to_edit_mode (string str)
310 if (str == _("Splice Edit")) {
312 } else if (str == _("Slide Edit")) {
314 } else if (str == _("Lock Edit")) {
317 fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
323 edit_mode_to_string (EditMode mode)
327 return _("Slide Edit");
330 return _("Lock Edit");
334 return _("Splice Edit");
339 string_to_slave_source (string str)
341 if (str == _("Internal")) {
345 if (str == _("MTC")) {
349 if (str == _("MIDI Clock")) {
353 if (str == _("JACK")) {
357 fatal << string_compose (_("programming error: unknown slave source string \"%1\""), str) << endmsg;
363 slave_source_to_string (SlaveSource src)
373 return _("MIDI Clock");
377 return _("Internal");
382 /* I don't really like hard-coding these falloff rates here
383 * Probably should use a map of some kind that could be configured
384 * These rates are db/sec.
387 #define METER_FALLOFF_OFF 0.0f
388 #define METER_FALLOFF_SLOWEST 6.6f // BBC standard
389 #define METER_FALLOFF_SLOW 8.6f // BBC standard
390 #define METER_FALLOFF_MEDIUM 20.0f
391 #define METER_FALLOFF_FAST 32.0f
392 #define METER_FALLOFF_FASTER 46.0f
393 #define METER_FALLOFF_FASTEST 70.0f
396 meter_falloff_to_float (MeterFalloff falloff)
399 case MeterFalloffOff:
400 return METER_FALLOFF_OFF;
401 case MeterFalloffSlowest:
402 return METER_FALLOFF_SLOWEST;
403 case MeterFalloffSlow:
404 return METER_FALLOFF_SLOW;
405 case MeterFalloffMedium:
406 return METER_FALLOFF_MEDIUM;
407 case MeterFalloffFast:
408 return METER_FALLOFF_FAST;
409 case MeterFalloffFaster:
410 return METER_FALLOFF_FASTER;
411 case MeterFalloffFastest:
412 return METER_FALLOFF_FASTEST;
414 return METER_FALLOFF_FAST;
419 meter_falloff_from_float (float val)
421 if (val == METER_FALLOFF_OFF) {
422 return MeterFalloffOff;
424 else if (val <= METER_FALLOFF_SLOWEST) {
425 return MeterFalloffSlowest;
427 else if (val <= METER_FALLOFF_SLOW) {
428 return MeterFalloffSlow;
430 else if (val <= METER_FALLOFF_MEDIUM) {
431 return MeterFalloffMedium;
433 else if (val <= METER_FALLOFF_FAST) {
434 return MeterFalloffFast;
436 else if (val <= METER_FALLOFF_FASTER) {
437 return MeterFalloffFaster;
440 return MeterFalloffFastest;
445 meter_hold_to_float (MeterHold hold)
452 case MeterHoldMedium:
461 ARDOUR::string_to_auto_state (std::string str)
463 if (str == X_("Off")) {
465 } else if (str == X_("Play")) {
467 } else if (str == X_("Write")) {
469 } else if (str == X_("Touch")) {
473 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState string: ", str) << endmsg;
479 ARDOUR::auto_state_to_string (AutoState as)
481 /* to be used only for XML serialization, no i18n done */
497 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState type: ", as) << endmsg;
503 ARDOUR::string_to_auto_style (std::string str)
505 if (str == X_("Absolute")) {
507 } else if (str == X_("Trim")) {
511 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle string: ", str) << endmsg;
517 ARDOUR::auto_style_to_string (AutoStyle as)
519 /* to be used only for XML serialization, no i18n done */
523 return X_("Absolute");
530 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle type: ", as) << endmsg;
536 void c_stacktrace() { stacktrace (cerr); }