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;
236 touch_file (string path)
238 int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
247 region_name_from_path (string path, bool strip_channels, bool add_channel_suffix, uint32_t total, uint32_t this_one)
249 path = PBD::basename_nosuffix (path);
251 if (strip_channels) {
253 /* remove any "?R", "?L" or "?[a-z]" channel identifier */
255 string::size_type len = path.length();
257 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
258 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
260 path = path.substr (0, path.length() - 2);
264 if (add_channel_suffix) {
269 path += (char) ('a' + this_one);
271 path += (char) (this_one == 0 ? 'L' : 'R');
279 path_is_paired (string path, string& pair_base)
281 string::size_type pos;
283 /* remove any leading path */
285 if ((pos = path.find_last_of (G_DIR_SEPARATOR)) != string::npos) {
286 path = path.substr(pos+1);
289 /* remove filename suffixes etc. */
291 if ((pos = path.find_last_of ('.')) != string::npos) {
292 path = path.substr (0, pos);
295 string::size_type len = path.length();
297 /* look for possible channel identifier: "?R", "%R", ".L" etc. */
299 if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
300 (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
302 pair_base = path.substr (0, len-2);
312 CFStringRefToStdString(CFStringRef stringRef)
315 CFStringGetMaximumSizeForEncoding(CFStringGetLength(stringRef) ,
316 kCFStringEncodingUTF8);
317 char *buf = new char[size];
321 if(CFStringGetCString(stringRef, buf, size, kCFStringEncodingUTF8)) {
330 compute_equal_power_fades (framecnt_t nframes, float* in, float* out)
334 step = 1.0/(nframes-1);
338 for (framecnt_t i = 1; i < nframes - 1; ++i) {
339 in[i] = in[i-1] + step;
344 const float pan_law_attenuation = -3.0f;
345 const float scale = 2.0f - 4.0f * powf (10.0f,pan_law_attenuation/20.0f);
347 for (framecnt_t n = 0; n < nframes; ++n) {
349 float outVal = 1 - inVal;
350 out[n] = outVal * (scale * outVal + 1.0f - scale);
351 in[n] = inVal * (scale * inVal + 1.0f - scale);
356 string_to_edit_mode (string str)
358 if (str == _("Splice")) {
360 } else if (str == _("Slide")) {
362 } else if (str == _("Lock")) {
365 fatal << string_compose (_("programming error: unknown edit mode string \"%1\""), str) << endmsg;
371 edit_mode_to_string (EditMode mode)
387 string_to_sync_source (string str)
389 if (str == _("MIDI Timecode") || str == _("MTC")) {
393 if (str == _("MIDI Clock")) {
397 if (str == _("JACK")) {
401 fatal << string_compose (_("programming error: unknown sync source string \"%1\""), str) << endmsg;
406 /** @param sh Return a short version of the string */
408 sync_source_to_string (SyncSource src, bool sh)
418 return _("MIDI Timecode");
425 return _("MIDI Clock");
431 /* GRRRR .... stupid, stupid gcc - you can't get here from there, all enum values are handled */
436 meter_falloff_to_float (MeterFalloff falloff)
439 case MeterFalloffOff:
440 return METER_FALLOFF_OFF;
441 case MeterFalloffSlowest:
442 return METER_FALLOFF_SLOWEST;
443 case MeterFalloffSlow:
444 return METER_FALLOFF_SLOW;
445 case MeterFalloffSlowish:
446 return METER_FALLOFF_SLOWISH;
447 case MeterFalloffMedium:
448 return METER_FALLOFF_MEDIUM;
449 case MeterFalloffModerate:
450 return METER_FALLOFF_MODERATE;
451 case MeterFalloffFast:
452 return METER_FALLOFF_FAST;
453 case MeterFalloffFaster:
454 return METER_FALLOFF_FASTER;
455 case MeterFalloffFastest:
456 return METER_FALLOFF_FASTEST;
458 return METER_FALLOFF_FAST;
463 meter_falloff_from_float (float val)
465 if (val == METER_FALLOFF_OFF) {
466 return MeterFalloffOff;
468 else if (val <= METER_FALLOFF_SLOWEST) {
469 return MeterFalloffSlowest;
471 else if (val <= METER_FALLOFF_SLOW) {
472 return MeterFalloffSlow;
474 else if (val <= METER_FALLOFF_SLOWISH) {
475 return MeterFalloffSlowish;
477 else if (val <= METER_FALLOFF_MODERATE) {
478 return MeterFalloffModerate;
480 else if (val <= METER_FALLOFF_MEDIUM) {
481 return MeterFalloffMedium;
483 else if (val <= METER_FALLOFF_FAST) {
484 return MeterFalloffFast;
486 else if (val <= METER_FALLOFF_FASTER) {
487 return MeterFalloffFaster;
490 return MeterFalloffFastest;
495 ARDOUR::string_to_auto_state (std::string str)
497 if (str == X_("Off")) {
499 } else if (str == X_("Play")) {
501 } else if (str == X_("Write")) {
503 } else if (str == X_("Touch")) {
507 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState string: ", str) << endmsg;
513 ARDOUR::auto_state_to_string (AutoState as)
515 /* to be used only for XML serialization, no i18n done */
531 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoState type: ", as) << endmsg;
537 ARDOUR::string_to_auto_style (std::string str)
539 if (str == X_("Absolute")) {
541 } else if (str == X_("Trim")) {
545 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle string: ", str) << endmsg;
551 ARDOUR::auto_style_to_string (AutoStyle as)
553 /* to be used only for XML serialization, no i18n done */
557 return X_("Absolute");
564 fatal << string_compose (_("programming error: %1 %2"), "illegal AutoStyle type: ", as) << endmsg;
570 bool_as_string (bool yn)
572 return (yn ? "yes" : "no");
576 native_header_format_extension (HeaderFormat hf, const DataType& type)
578 if (type == DataType::MIDI) {
599 fatal << string_compose (_("programming error: unknown native header format: %1"), hf);
605 matching_unsuffixed_filename_exists_in (const string& dir, const string& path)
607 string bws = basename_nosuffix (path);
608 struct dirent* dentry;
613 if ((dead = ::opendir (dir.c_str())) == 0) {
614 error << string_compose (_("cannot open directory %1 (%2)"), dir, strerror (errno)) << endl;
618 while ((dentry = ::readdir (dead)) != 0) {
620 /* avoid '.' and '..' */
622 if ((dentry->d_name[0] == '.' && dentry->d_name[1] == '\0') ||
623 (dentry->d_name[2] == '\0' && dentry->d_name[0] == '.' && dentry->d_name[1] == '.')) {
627 string fullpath = Glib::build_filename (dir, dentry->d_name);
629 if (::stat (fullpath.c_str(), &statbuf)) {
633 if (!S_ISREG (statbuf.st_mode)) {
637 string bws2 = basename_nosuffix (dentry->d_name);
650 how_many_dsp_threads ()
652 /* CALLER MUST HOLD PROCESS LOCK */
654 int num_cpu = hardware_concurrency();
655 int pu = Config->get_processor_usage ();
656 uint32_t num_threads = max (num_cpu - 1, 2); // default to number of cpus minus one, or 2, whichever is larger
659 /* pu is negative: use "pu" less cores for DSP than appear to be available
663 num_threads = num_cpu + pu;
666 } else if (pu == 0) {
668 /* use all available CPUs
671 num_threads = num_cpu;
674 /* use "pu" cores, if available
677 num_threads = min (num_cpu, pu);
683 double gain_to_slider_position_with_max (double g, double max_gain)
685 return gain_to_slider_position (g * 2.0/max_gain);
688 double slider_position_to_gain_with_max (double g, double max_gain)
690 return slider_position_to_gain (g * max_gain/2.0);
694 void c_stacktrace() { stacktrace (cerr); }