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 elapsed_time_to_str (char *buf, uint32_t seconds)
62 days = s / (3600 * 24);
63 s -= (days * 3600 * 24);
70 snprintf (buf, sizeof (buf), "%" PRIu32 " day%s %" PRIu32 " hour%s",
74 hours > 1 ? "s" : "");
76 snprintf (buf, sizeof (buf), "%" PRIu32 " hour%s %" PRIu32 " minute%s",
80 minutes > 1 ? "s" : "");
82 snprintf (buf, sizeof (buf), "%" PRIu32 " minute%s",
84 minutes > 1 ? "s" : "");
86 snprintf (buf, sizeof (buf), "%" PRIu32 " second%s",
88 seconds > 1 ? "s" : "");
90 snprintf (buf, sizeof (buf), "no time");
95 legalize_for_path (ustring str)
97 ustring::size_type pos;
98 ustring legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
104 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
105 legal.replace (pos, 1, "_");
113 legalize_for_path (string str)
115 string::size_type pos;
116 string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
122 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
123 legal.replace (pos, 1, "_");
132 operator<< (ostream& o, const BBT_Time& bbt)
134 o << bbt.bars << '|' << bbt.beats << '|' << bbt.ticks;
139 find_named_node (const XMLNode& node, string name)
142 XMLNodeConstIterator niter;
145 nlist = node.children();
147 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
151 if (child->name() == name) {
160 cmp_nocase (const string& s, const string& s2)
162 string::const_iterator p = s.begin();
163 string::const_iterator p2 = s2.begin();
165 while (p != s.end() && p2 != s2.end()) {
166 if (toupper(*p) != toupper(*p2)) {
167 return (toupper(*p) < toupper(*p2)) ? -1 : 1;
173 return (s2.size() == s.size()) ? 0 : (s.size() < s2.size()) ? -1 : 1;
177 touch_file (ustring path)
179 int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
188 region_name_from_path (ustring path, bool strip_channels)
190 path = PBD::basename_nosuffix (path);
192 if (strip_channels) {
194 /* remove any "?R", "?L" or "?[a-z]" channel identifier */
196 ustring::size_type len = path.length();
198 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
199 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
201 path = path.substr (0, path.length() - 2);
209 path_is_paired (ustring path, ustring& pair_base)
211 ustring::size_type pos;
213 /* remove any leading path */
215 if ((pos = path.find_last_of ('/')) != string::npos) {
216 path = path.substr(pos+1);
219 /* remove filename suffixes etc. */
221 if ((pos = path.find_last_of ('.')) != string::npos) {
222 path = path.substr (0, pos);
225 ustring::size_type len = path.length();
227 /* look for possible channel identifier: "?R", "%R", ".L" etc. */
229 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
230 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
232 pair_base = path.substr (0, len-2);
241 path_expand (ustring path)
244 /* Handle tilde and environment variable expansion in session path */
248 switch (wordexp (path.c_str(), &expansion, WRDE_NOCMD|WRDE_UNDEF)) {
252 error << string_compose (_("illegal or badly-formed string used for path (%1)"), path) << endmsg;
256 if (expansion.we_wordc > 1) {
257 error << string_compose (_("path (%1) is ambiguous"), path) << endmsg;
261 ret = expansion.we_wordv[0];
263 wordfree (&expansion);
271 #if defined(HAVE_COREAUDIO) || defined(HAVE_AUDIOUNITS)
273 CFStringRefToStdString(CFStringRef stringRef)
276 CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) ,
277 kCFStringEncodingUTF8);
278 char *buf = new char[size];
282 if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
288 #endif // HAVE_COREAUDIO
291 compute_equal_power_fades (nframes_t nframes, float* in, float* out)
299 for (nframes_t i = 1; i < nframes - 1; ++i) {
300 in[i] = in[i-1] + step;
305 const float pan_law_attenuation = -3.0f;
306 const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
308 for (nframes_t n = 0; n < nframes; ++n) {
310 float outVal = 1 - inVal;
311 out[n] = outVal * (scale * outVal + 1.0f - scale);
312 in[n] = inVal * (scale * inVal + 1.0f - scale);
317 string_to_edit_mode (string str)
319 if (str == _("Splice Edit")) {
321 } else if (str == _("Slide Edit")) {
324 fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
330 edit_mode_to_string (EditMode mode)
334 return _("Slide Edit");
338 return _("Splice Edit");
343 string_to_slave_source (string str)
345 if (str == _("Internal")) {
349 if (str == _("MTC")) {
353 if (str == _("JACK")) {
357 fatal << string_compose (_("programming error: unknown slave source string \"%1\""), str) << endmsg;
363 slave_source_to_string (SlaveSource src)
374 return _("Internal");
379 /* I don't really like hard-coding these falloff rates here
380 * Probably should use a map of some kind that could be configured
381 * These rates are db/sec.
384 #define METER_FALLOFF_OFF 0.0f
385 #define METER_FALLOFF_SLOWEST 6.6f // BBC standard
386 #define METER_FALLOFF_SLOW 8.6f // BBC standard
387 #define METER_FALLOFF_MEDIUM 20.0f
388 #define METER_FALLOFF_FAST 32.0f
389 #define METER_FALLOFF_FASTER 46.0f
390 #define METER_FALLOFF_FASTEST 70.0f
393 meter_falloff_to_float (MeterFalloff falloff)
396 case MeterFalloffOff:
397 return METER_FALLOFF_OFF;
398 case MeterFalloffSlowest:
399 return METER_FALLOFF_SLOWEST;
400 case MeterFalloffSlow:
401 return METER_FALLOFF_SLOW;
402 case MeterFalloffMedium:
403 return METER_FALLOFF_MEDIUM;
404 case MeterFalloffFast:
405 return METER_FALLOFF_FAST;
406 case MeterFalloffFaster:
407 return METER_FALLOFF_FASTER;
408 case MeterFalloffFastest:
409 return METER_FALLOFF_FASTEST;
411 return METER_FALLOFF_FAST;
416 meter_falloff_from_float (float val)
418 if (val == METER_FALLOFF_OFF) {
419 return MeterFalloffOff;
421 else if (val <= METER_FALLOFF_SLOWEST) {
422 return MeterFalloffSlowest;
424 else if (val <= METER_FALLOFF_SLOW) {
425 return MeterFalloffSlow;
427 else if (val <= METER_FALLOFF_MEDIUM) {
428 return MeterFalloffMedium;
430 else if (val <= METER_FALLOFF_FAST) {
431 return MeterFalloffFast;
433 else if (val <= METER_FALLOFF_FASTER) {
434 return MeterFalloffFaster;
437 return MeterFalloffFastest;
442 meter_hold_to_float (MeterHold hold)
449 case MeterHoldMedium:
458 ARDOUR::string_to_auto_state (std::string str)
460 if (str == X_("Off")) {
462 } else if (str == X_("Play")) {
464 } else if (str == X_("Write")) {
466 } else if (str == X_("Touch")) {
470 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState string: ", str) << endmsg;
476 ARDOUR::auto_state_to_string (AutoState as)
478 /* to be used only for XML serialization, no i18n done */
494 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState type: ", as) << endmsg;
500 ARDOUR::string_to_auto_style (std::string str)
502 if (str == X_("Absolute")) {
504 } else if (str == X_("Trim")) {
508 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle string: ", str) << endmsg;
514 ARDOUR::auto_style_to_string (AutoStyle as)
516 /* to be used only for XML serialization, no i18n done */
520 return X_("Absolute");
527 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle type: ", as) << endmsg;
533 void c_stacktrace() { stacktrace (cerr); }