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 */
29 #include <sys/types.h>
39 #include <pbd/error.h>
40 #include <pbd/stacktrace.h>
41 #include <pbd/xml++.h>
42 #include <pbd/basename.h>
43 #include <ardour/utils.h>
47 using namespace ARDOUR;
53 legalize_for_path (ustring str)
55 ustring::size_type pos;
56 ustring legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
62 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
63 legal.replace (pos, 1, "_");
71 legalize_for_path (string str)
73 string::size_type pos;
74 string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
80 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
81 legal.replace (pos, 1, "_");
89 string bump_name_once(std::string name)
91 string::size_type period;
94 if ((period = name.find_last_of ('.')) == string::npos) {
99 const char *last_element = name.c_str() + period + 1;
100 for (size_t i = 0; i < strlen(last_element); i++) {
101 if (!isdigit(last_element[i])) {
108 long int version = strtol (name.c_str()+period+1, (char **)NULL, 10);
110 if (isnumber == 0 || errno != 0) {
111 // last_element is not a number, or is too large
117 snprintf (buf, sizeof(buf), "%ld", version+1);
119 newname = name.substr (0, period+1);
129 operator<< (ostream& o, const BBT_Time& bbt)
131 o << bbt.bars << '|' << bbt.beats << '|' << bbt.ticks;
136 find_named_node (const XMLNode& node, string name)
139 XMLNodeConstIterator niter;
142 nlist = node.children();
144 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
148 if (child->name() == name) {
157 cmp_nocase (const string& s, const string& s2)
159 string::const_iterator p = s.begin();
160 string::const_iterator p2 = s2.begin();
162 while (p != s.end() && p2 != s2.end()) {
163 if (toupper(*p) != toupper(*p2)) {
164 return (toupper(*p) < toupper(*p2)) ? -1 : 1;
170 return (s2.size() == s.size()) ? 0 : (s.size() < s2.size()) ? -1 : 1;
174 touch_file (ustring path)
176 int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
185 region_name_from_path (ustring path, bool strip_channels, bool add_channel_suffix, uint32_t total, uint32_t this_one)
187 path = PBD::basename_nosuffix (path);
189 if (strip_channels) {
191 /* remove any "?R", "?L" or "?[a-z]" channel identifier */
193 ustring::size_type len = path.length();
195 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
196 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
198 path = path.substr (0, path.length() - 2);
202 if (add_channel_suffix) {
207 path += (char) ('a' + this_one);
209 path += (char) (this_one == 0 ? 'L' : 'R');
217 path_is_paired (ustring path, ustring& pair_base)
219 ustring::size_type pos;
221 /* remove any leading path */
223 if ((pos = path.find_last_of ('/')) != string::npos) {
224 path = path.substr(pos+1);
227 /* remove filename suffixes etc. */
229 if ((pos = path.find_last_of ('.')) != string::npos) {
230 path = path.substr (0, pos);
233 ustring::size_type len = path.length();
235 /* look for possible channel identifier: "?R", "%R", ".L" etc. */
237 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
238 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
240 pair_base = path.substr (0, len-2);
249 path_expand (ustring path)
252 /* Handle tilde and environment variable expansion in session path */
256 switch (wordexp (path.c_str(), &expansion, WRDE_NOCMD|WRDE_UNDEF)) {
260 error << string_compose (_("illegal or badly-formed string used for path (%1)"), path) << endmsg;
264 if (expansion.we_wordc > 1) {
265 error << string_compose (_("path (%1) is ambiguous"), path) << endmsg;
269 ret = expansion.we_wordv[0];
271 wordfree (&expansion);
279 #if defined(HAVE_COREAUDIO) || defined(HAVE_AUDIOUNITS)
281 CFStringRefToStdString(CFStringRef stringRef)
284 CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) ,
285 kCFStringEncodingUTF8);
286 char *buf = new char[size];
290 if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
296 #endif // HAVE_COREAUDIO
299 compute_equal_power_fades (nframes_t nframes, float* in, float* out)
307 for (nframes_t i = 1; i < nframes - 1; ++i) {
308 in[i] = in[i-1] + step;
313 const float pan_law_attenuation = -3.0f;
314 const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
316 for (nframes_t n = 0; n < nframes; ++n) {
318 float outVal = 1 - inVal;
319 out[n] = outVal * (scale * outVal + 1.0f - scale);
320 in[n] = inVal * (scale * inVal + 1.0f - scale);
325 string_to_edit_mode (string str)
327 if (str == _("Splice Edit")) {
329 } else if (str == _("Slide Edit")) {
331 } else if (str == _("Lock Edit")) {
334 fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
340 edit_mode_to_string (EditMode mode)
344 return _("Slide Edit");
347 return _("Lock Edit");
351 return _("Splice Edit");
356 string_to_slave_source (string str)
358 if (str == _("Internal")) {
362 if (str == _("MTC")) {
366 if (str == _("JACK")) {
370 fatal << string_compose (_("programming error: unknown slave source string \"%1\""), str) << endmsg;
376 slave_source_to_string (SlaveSource src)
387 return _("Internal");
392 /* I don't really like hard-coding these falloff rates here
393 * Probably should use a map of some kind that could be configured
394 * These rates are db/sec.
397 #define METER_FALLOFF_OFF 0.0f
398 #define METER_FALLOFF_SLOWEST 6.6f // BBC standard
399 #define METER_FALLOFF_SLOW 8.6f // BBC standard
400 #define METER_FALLOFF_MEDIUM 20.0f
401 #define METER_FALLOFF_FAST 32.0f
402 #define METER_FALLOFF_FASTER 46.0f
403 #define METER_FALLOFF_FASTEST 70.0f
406 meter_falloff_to_float (MeterFalloff falloff)
409 case MeterFalloffOff:
410 return METER_FALLOFF_OFF;
411 case MeterFalloffSlowest:
412 return METER_FALLOFF_SLOWEST;
413 case MeterFalloffSlow:
414 return METER_FALLOFF_SLOW;
415 case MeterFalloffMedium:
416 return METER_FALLOFF_MEDIUM;
417 case MeterFalloffFast:
418 return METER_FALLOFF_FAST;
419 case MeterFalloffFaster:
420 return METER_FALLOFF_FASTER;
421 case MeterFalloffFastest:
422 return METER_FALLOFF_FASTEST;
424 return METER_FALLOFF_FAST;
429 meter_falloff_from_float (float val)
431 if (val == METER_FALLOFF_OFF) {
432 return MeterFalloffOff;
434 else if (val <= METER_FALLOFF_SLOWEST) {
435 return MeterFalloffSlowest;
437 else if (val <= METER_FALLOFF_SLOW) {
438 return MeterFalloffSlow;
440 else if (val <= METER_FALLOFF_MEDIUM) {
441 return MeterFalloffMedium;
443 else if (val <= METER_FALLOFF_FAST) {
444 return MeterFalloffFast;
446 else if (val <= METER_FALLOFF_FASTER) {
447 return MeterFalloffFaster;
450 return MeterFalloffFastest;
455 meter_hold_to_float (MeterHold hold)
462 case MeterHoldMedium:
471 ARDOUR::string_to_auto_state (std::string str)
473 if (str == X_("Off")) {
475 } else if (str == X_("Play")) {
477 } else if (str == X_("Write")) {
479 } else if (str == X_("Touch")) {
483 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState string: ", str) << endmsg;
489 ARDOUR::auto_state_to_string (AutoState as)
491 /* to be used only for XML serialization, no i18n done */
507 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState type: ", as) << endmsg;
513 ARDOUR::string_to_auto_style (std::string str)
515 if (str == X_("Absolute")) {
517 } else if (str == X_("Trim")) {
521 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle string: ", str) << endmsg;
527 ARDOUR::auto_style_to_string (AutoStyle as)
529 /* to be used only for XML serialization, no i18n done */
533 return X_("Absolute");
540 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle type: ", as) << endmsg;
546 void c_stacktrace() { stacktrace (cerr); }