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.
21 #include "libardour-config.h"
24 #define __STDC_FORMAT_MACROS 1
27 #include <cstdio> /* for sprintf */
34 #include <sys/types.h>
44 #include "pbd/error.h"
45 #include "pbd/stacktrace.h"
46 #include "pbd/xml++.h"
47 #include "pbd/basename.h"
48 #include "ardour/utils.h"
52 using namespace ARDOUR;
58 legalize_for_path (ustring str)
60 ustring::size_type pos;
61 ustring legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
67 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
68 legal.replace (pos, 1, "_");
76 bump_name_once (const std::string& name, char delimiter)
78 string::size_type delim;
81 if ((delim = name.find_last_of (delimiter)) == string::npos) {
87 const char *last_element = name.c_str() + delim + 1;
88 for (size_t i = 0; i < strlen(last_element); i++) {
89 if (!isdigit(last_element[i])) {
96 long int version = strtol (name.c_str()+delim+1, (char **)NULL, 10);
98 if (isnumber == 0 || errno != 0) {
99 // last_element is not a number, or is too large
101 newname += delimiter;
106 snprintf (buf, sizeof(buf), "%ld", version+1);
108 newname = name.substr (0, delim+1);
118 find_named_node (const XMLNode& node, string name)
121 XMLNodeConstIterator niter;
124 nlist = node.children();
126 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
130 if (child->name() == name) {
139 cmp_nocase (const string& s, const string& s2)
141 string::const_iterator p = s.begin();
142 string::const_iterator p2 = s2.begin();
144 while (p != s.end() && p2 != s2.end()) {
145 if (toupper(*p) != toupper(*p2)) {
146 return (toupper(*p) < toupper(*p2)) ? -1 : 1;
152 return (s2.size() == s.size()) ? 0 : (s.size() < s2.size()) ? -1 : 1;
156 touch_file (ustring path)
158 int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
167 region_name_from_path (ustring path, bool strip_channels, bool add_channel_suffix, uint32_t total, uint32_t this_one)
169 path = PBD::basename_nosuffix (path);
171 if (strip_channels) {
173 /* remove any "?R", "?L" or "?[a-z]" channel identifier */
175 ustring::size_type len = path.length();
177 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
178 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
180 path = path.substr (0, path.length() - 2);
184 if (add_channel_suffix) {
189 path += (char) ('a' + this_one);
191 path += (char) (this_one == 0 ? 'L' : 'R');
199 path_is_paired (ustring path, ustring& pair_base)
201 ustring::size_type pos;
203 /* remove any leading path */
205 if ((pos = path.find_last_of ('/')) != string::npos) {
206 path = path.substr(pos+1);
209 /* remove filename suffixes etc. */
211 if ((pos = path.find_last_of ('.')) != string::npos) {
212 path = path.substr (0, pos);
215 ustring::size_type len = path.length();
217 /* look for possible channel identifier: "?R", "%R", ".L" etc. */
219 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
220 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
222 pair_base = path.substr (0, len-2);
231 path_expand (ustring path)
234 /* Handle tilde and environment variable expansion in session path */
238 switch (wordexp (path.c_str(), &expansion, WRDE_NOCMD|WRDE_UNDEF)) {
242 error << string_compose (_("illegal or badly-formed string used for path (%1)"), path) << endmsg;
246 if (expansion.we_wordc > 1) {
247 error << string_compose (_("path (%1) is ambiguous"), path) << endmsg;
251 ret = expansion.we_wordv[0];
253 wordfree (&expansion);
261 #if defined(HAVE_COREAUDIO) || defined(HAVE_AUDIOUNITS)
263 CFStringRefToStdString(CFStringRef stringRef)
266 CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) ,
267 kCFStringEncodingUTF8);
268 char *buf = new char[size];
272 if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
278 #endif // HAVE_COREAUDIO
281 compute_equal_power_fades (nframes_t nframes, float* in, float* out)
285 step = 1.0/(nframes-1);
289 for (nframes_t i = 1; i < nframes - 1; ++i) {
290 in[i] = in[i-1] + step;
295 const float pan_law_attenuation = -3.0f;
296 const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
298 for (nframes_t n = 0; n < nframes; ++n) {
300 float outVal = 1 - inVal;
301 out[n] = outVal * (scale * outVal + 1.0f - scale);
302 in[n] = inVal * (scale * inVal + 1.0f - scale);
307 string_to_edit_mode (string str)
309 if (str == _("Splice Edit")) {
311 } else if (str == _("Slide Edit")) {
313 } else if (str == _("Lock Edit")) {
316 fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
322 edit_mode_to_string (EditMode mode)
326 return _("Slide Edit");
329 return _("Lock Edit");
333 return _("Splice Edit");
338 string_to_sync_source (string str)
340 if (str == _("MIDI Timecode")) {
344 if (str == _("MIDI Clock")) {
348 if (str == _("JACK")) {
352 fatal << string_compose (_("programming error: unknown sync source string \"%1\""), str) << endmsg;
358 sync_source_to_string (SyncSource src)
365 return _("MIDI Timecode");
368 return _("MIDI Clock");
370 /* GRRRR .... stupid, stupid gcc - you can't get here from there, all enum values are handled */
375 meter_falloff_to_float (MeterFalloff falloff)
378 case MeterFalloffOff:
379 return METER_FALLOFF_OFF;
380 case MeterFalloffSlowest:
381 return METER_FALLOFF_SLOWEST;
382 case MeterFalloffSlow:
383 return METER_FALLOFF_SLOW;
384 case MeterFalloffMedium:
385 return METER_FALLOFF_MEDIUM;
386 case MeterFalloffFast:
387 return METER_FALLOFF_FAST;
388 case MeterFalloffFaster:
389 return METER_FALLOFF_FASTER;
390 case MeterFalloffFastest:
391 return METER_FALLOFF_FASTEST;
393 return METER_FALLOFF_FAST;
398 meter_falloff_from_float (float val)
400 if (val == METER_FALLOFF_OFF) {
401 return MeterFalloffOff;
403 else if (val <= METER_FALLOFF_SLOWEST) {
404 return MeterFalloffSlowest;
406 else if (val <= METER_FALLOFF_SLOW) {
407 return MeterFalloffSlow;
409 else if (val <= METER_FALLOFF_MEDIUM) {
410 return MeterFalloffMedium;
412 else if (val <= METER_FALLOFF_FAST) {
413 return MeterFalloffFast;
415 else if (val <= METER_FALLOFF_FASTER) {
416 return MeterFalloffFaster;
419 return MeterFalloffFastest;
424 ARDOUR::string_to_auto_state (std::string str)
426 if (str == X_("Off")) {
428 } else if (str == X_("Play")) {
430 } else if (str == X_("Write")) {
432 } else if (str == X_("Touch")) {
436 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState string: ", str) << endmsg;
442 ARDOUR::auto_state_to_string (AutoState as)
444 /* to be used only for XML serialization, no i18n done */
460 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState type: ", as) << endmsg;
466 ARDOUR::string_to_auto_style (std::string str)
468 if (str == X_("Absolute")) {
470 } else if (str == X_("Trim")) {
474 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle string: ", str) << endmsg;
480 ARDOUR::auto_style_to_string (AutoStyle as)
482 /* to be used only for XML serialization, no i18n done */
486 return X_("Absolute");
493 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle type: ", as) << endmsg;
499 bool_as_string (bool yn)
501 return (yn ? "yes" : "no");
505 string_is_affirmative (const std::string& str)
507 /* to be used only with XML data - not intended to handle user input */
509 return str == "1" || str == "y" || str == "Y" || (!g_strncasecmp(str.c_str(), "yes", str.length()));
513 void c_stacktrace() { stacktrace (cerr); }