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"
26 #include <cstdio> /* for sprintf */
35 #include <sys/types.h>
43 #include <glibmm/miscutils.h>
44 #include <glibmm/fileutils.h>
47 #include "pbd/error.h"
48 #include "pbd/stacktrace.h"
49 #include "pbd/xml++.h"
50 #include "pbd/basename.h"
51 #include "pbd/strsplit.h"
52 #include "pbd/replace_all.h"
54 #include "ardour/utils.h"
55 #include "ardour/rc_configuration.h"
59 using namespace ARDOUR;
64 replace_chars (const string& str, const string& illegal_chars)
66 string::size_type pos;
69 /* this is the one place in Ardour where we need to iterate across
70 * potential multibyte characters, and thus we need Glib::ustring
76 while ((pos = legal.find_first_of (illegal_chars, pos)) != string::npos) {
77 legal.replace (pos, 1, "_");
81 return string (legal);
83 /** take an arbitrary string as an argument, and return a version of it
84 * suitable for use as a path (directory/folder name). This is the Ardour 3.X
85 * and later version of this code. It defines a very small number of characters
86 * that are not allowed in a path on the build target filesystem (basically,
87 * POSIX or Windows) and replaces any instances of them with an underscore.
89 * NOTE: this is intended only to legalize for the filesystem that Ardour
90 * is running on. Export should use legalize_for_universal_path() since
91 * the goal there is to be legal across filesystems.
94 legalize_for_path (const string& str)
96 return replace_chars (str, "/\\");
99 /** take an arbitrary string as an argument, and return a version of it
100 * suitable for use as a path (directory/folder name). This is the Ardour 3.X
101 * and later version of this code. It defines a small number
102 * of characters that are not allowed in a path on any of our target
103 * filesystems, and replaces any instances of them with an underscore.
105 * NOTE: this is intended to create paths that should be legal on
109 legalize_for_universal_path (const string& str)
111 return replace_chars (str, "<>:\"/\\|?*");
114 /** Legalize for a URI path component. This is like
115 * legalize_for_universal_path, but stricter, disallowing spaces and hash.
116 * This avoids %20 escapes in URIs, but probably needs work to be more strictly
120 legalize_for_uri (const string& str)
122 return replace_chars (str, "<>:\"/\\|?* #");
125 /** take an arbitrary string as an argument, and return a version of it
126 * suitable for use as a path (directory/folder name). This is the Ardour 2.X
127 * version of this code, which used an approach that came to be seen as
128 * problematic: defining the characters that were allowed and replacing all
129 * others with underscores. See legalize_for_path() for the 3.X and later
134 legalize_for_path_2X (const string& str)
136 string::size_type pos;
137 string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
140 /* this is the one place in Ardour where we need to iterate across
141 * potential multibyte characters, and thus we need Glib::ustring
147 while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
148 legal.replace (pos, 1, "_");
152 return string (legal);
156 bump_name_once (const std::string& name, char delimiter)
158 string::size_type delim;
161 if ((delim = name.find_last_of (delimiter)) == string::npos) {
163 newname += delimiter;
167 const char *last_element = name.c_str() + delim + 1;
168 for (size_t i = 0; i < strlen(last_element); i++) {
169 if (!isdigit(last_element[i])) {
176 int32_t version = strtol (name.c_str()+delim+1, (char **)NULL, 10);
178 if (isnumber == 0 || errno != 0) {
179 // last_element is not a number, or is too large
181 newname += delimiter;
186 snprintf (buf, sizeof(buf), "%d", version+1);
188 newname = name.substr (0, delim+1);
198 find_named_node (const XMLNode& node, string name)
201 XMLNodeConstIterator niter;
204 nlist = node.children();
206 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
210 if (child->name() == name) {
219 cmp_nocase (const string& s, const string& s2)
221 string::const_iterator p = s.begin();
222 string::const_iterator p2 = s2.begin();
224 while (p != s.end() && p2 != s2.end()) {
225 if (toupper(*p) != toupper(*p2)) {
226 return (toupper(*p) < toupper(*p2)) ? -1 : 1;
232 return (s2.size() == s.size()) ? 0 : (s.size() < s2.size()) ? -1 : 1;
235 int cmp_nocase_utf8 (const string& s1, const string& s2)
237 const char *cstr1 = s1.c_str();
238 const char *cstr2 = s2.c_str();
239 gchar *cstr1folded = NULL;
240 gchar *cstr2folded = NULL;
243 if (!g_utf8_validate (cstr1, -1, NULL) ||
244 !g_utf8_validate (cstr2, -1, NULL)) {
245 // fall back to comparing ASCII
246 return g_ascii_strcasecmp (cstr1, cstr2);
249 cstr1folded = g_utf8_casefold (cstr1, -1);
250 cstr2folded = g_utf8_casefold (cstr2, -1);
252 if (cstr1folded && cstr2folded) {
253 retval = strcmp (cstr1folded, cstr2folded);
255 // this shouldn't happen, make the best of it
256 retval = g_ascii_strcasecmp (cstr1, cstr2);
260 g_free (cstr1folded);
264 g_free (cstr2folded);
271 touch_file (string path)
273 int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
282 region_name_from_path (string path, bool strip_channels, bool add_channel_suffix, uint32_t total, uint32_t this_one)
284 path = PBD::basename_nosuffix (path);
286 if (strip_channels) {
288 /* remove any "?R", "?L" or "?[a-z]" channel identifier */
290 string::size_type len = path.length();
292 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
293 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
295 path = path.substr (0, path.length() - 2);
299 if (add_channel_suffix) {
304 path += (char) ('a' + this_one);
306 path += (char) (this_one == 0 ? 'L' : 'R');
314 path_is_paired (string path, string& pair_base)
316 string::size_type pos;
318 /* remove any leading path */
320 if ((pos = path.find_last_of (G_DIR_SEPARATOR)) != string::npos) {
321 path = path.substr(pos+1);
324 /* remove filename suffixes etc. */
326 if ((pos = path.find_last_of ('.')) != string::npos) {
327 path = path.substr (0, pos);
330 string::size_type len = path.length();
332 /* look for possible channel identifier: "?R", "%R", ".L" etc. */
334 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
335 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
337 pair_base = path.substr (0, len-2);
347 CFStringRefToStdString(CFStringRef stringRef)
350 CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) ,
351 kCFStringEncodingUTF8);
352 char *buf = new char[size];
356 if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
365 compute_equal_power_fades (framecnt_t nframes, float* in, float* out)
369 step = 1.0/(nframes-1);
373 for (framecnt_t i = 1; i < nframes - 1; ++i) {
374 in[i] = in[i-1] + step;
379 const float pan_law_attenuation = -3.0f;
380 const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
382 for (framecnt_t n = 0; n < nframes; ++n) {
384 float outVal = 1 - inVal;
385 out[n] = outVal * (scale * outVal + 1.0f - scale);
386 in[n] = inVal * (scale * inVal + 1.0f - scale);
391 string_to_edit_mode (string str)
393 if (str == _("Splice")) {
395 } else if (str == _("Slide")) {
397 } else if (str == _("Lock")) {
400 fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
406 edit_mode_to_string (EditMode mode)
422 string_to_sync_source (string str)
424 if (str == _("MIDI Timecode") || str == _("MTC")) {
428 if (str == _("MIDI Clock")) {
432 if (str == _("JACK")) {
436 fatal << string_compose (_("programming error: unknown sync source string \"%1\""), str) << endmsg;
441 /** @param sh Return a short version of the string */
443 sync_source_to_string (SyncSource src, bool sh)
447 /* no other backends offer sync for now ... deal with this if we
456 return _("MIDI Timecode");
463 return _("MIDI Clock");
469 /* GRRRR .... stupid, stupid gcc - you can't get here from there, all enum values are handled */
474 meter_falloff_to_float (MeterFalloff falloff)
477 case MeterFalloffOff:
478 return METER_FALLOFF_OFF;
479 case MeterFalloffSlowest:
480 return METER_FALLOFF_SLOWEST;
481 case MeterFalloffSlow:
482 return METER_FALLOFF_SLOW;
483 case MeterFalloffSlowish:
484 return METER_FALLOFF_SLOWISH;
485 case MeterFalloffMedium:
486 return METER_FALLOFF_MEDIUM;
487 case MeterFalloffModerate:
488 return METER_FALLOFF_MODERATE;
489 case MeterFalloffFast:
490 return METER_FALLOFF_FAST;
491 case MeterFalloffFaster:
492 return METER_FALLOFF_FASTER;
493 case MeterFalloffFastest:
494 return METER_FALLOFF_FASTEST;
496 return METER_FALLOFF_FAST;
501 meter_falloff_from_float (float val)
503 if (val == METER_FALLOFF_OFF) {
504 return MeterFalloffOff;
506 else if (val <= METER_FALLOFF_SLOWEST) {
507 return MeterFalloffSlowest;
509 else if (val <= METER_FALLOFF_SLOW) {
510 return MeterFalloffSlow;
512 else if (val <= METER_FALLOFF_SLOWISH) {
513 return MeterFalloffSlowish;
515 else if (val <= METER_FALLOFF_MODERATE) {
516 return MeterFalloffModerate;
518 else if (val <= METER_FALLOFF_MEDIUM) {
519 return MeterFalloffMedium;
521 else if (val <= METER_FALLOFF_FAST) {
522 return MeterFalloffFast;
524 else if (val <= METER_FALLOFF_FASTER) {
525 return MeterFalloffFaster;
528 return MeterFalloffFastest;
533 ARDOUR::string_to_auto_state (std::string str)
535 if (str == X_("Off")) {
537 } else if (str == X_("Play")) {
539 } else if (str == X_("Write")) {
541 } else if (str == X_("Touch")) {
545 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState string: ", str) << endmsg;
551 ARDOUR::auto_state_to_string (AutoState as)
553 /* to be used only for XML serialization, no i18n done */
569 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState type: ", as) << endmsg;
575 ARDOUR::string_to_auto_style (std::string str)
577 if (str == X_("Absolute")) {
579 } else if (str == X_("Trim")) {
583 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle string: ", str) << endmsg;
589 ARDOUR::auto_style_to_string (AutoStyle as)
591 /* to be used only for XML serialization, no i18n done */
595 return X_("Absolute");
602 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle type: ", as) << endmsg;
608 bool_as_string (bool yn)
610 return (yn ? "yes" : "no");
614 native_header_format_extension (HeaderFormat hf, const DataType& type)
616 if (type == DataType::MIDI) {
637 fatal << string_compose (_("programming error: unknown native header format: %1"), hf);
643 matching_unsuffixed_filename_exists_in (const string& dir, const string& path)
645 string bws = basename_nosuffix (path);
646 struct dirent* dentry;
651 if ((dead = ::opendir (dir.c_str())) == 0) {
652 error << string_compose (_("cannot open directory %1 (%2)"), dir, strerror (errno)) << endl;
656 while ((dentry = ::readdir (dead)) != 0) {
658 /* avoid '.' and '..' */
660 if ((dentry->d_name[0] == '.' && dentry->d_name[1] == '\0') ||
661 (dentry->d_name[2] == '\0' && dentry->d_name[0] == '.' && dentry->d_name[1] == '.')) {
665 string fullpath = Glib::build_filename (dir, dentry->d_name);
667 if (::stat (fullpath.c_str(), &statbuf)) {
671 if (!S_ISREG (statbuf.st_mode)) {
675 string bws2 = basename_nosuffix (dentry->d_name);
688 how_many_dsp_threads ()
690 /* CALLER MUST HOLD PROCESS LOCK */
692 int num_cpu = hardware_concurrency();
693 int pu = Config->get_processor_usage ();
694 uint32_t num_threads = max (num_cpu - 1, 2); // default to number of cpus minus one, or 2, whichever is larger
697 /* pu is negative: use "pu" less cores for DSP than appear to be available
701 num_threads = num_cpu + pu;
704 } else if (pu == 0) {
706 /* use all available CPUs
709 num_threads = num_cpu;
712 /* use "pu" cores, if available
715 num_threads = min (num_cpu, pu);
721 double gain_to_slider_position_with_max (double g, double max_gain)
723 return gain_to_slider_position (g * 2.0/max_gain);
726 double slider_position_to_gain_with_max (double g, double max_gain)
728 return slider_position_to_gain (g * max_gain/2.0);
732 void c_stacktrace() { stacktrace (cerr); }