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-rw-r--r--libs/ardour/utils.cc132
1 files changed, 102 insertions, 30 deletions
diff --git a/libs/ardour/utils.cc b/libs/ardour/utils.cc
index 9c94d32241..e0ef8fd0b3 100644
--- a/libs/ardour/utils.cc
+++ b/libs/ardour/utils.cc
@@ -40,6 +40,7 @@
#include <pbd/error.h>
#include <pbd/stacktrace.h>
#include <pbd/xml++.h>
+#include <pbd/basename.h>
#include <ardour/utils.h>
#include "i18n.h"
@@ -47,6 +48,7 @@
using namespace ARDOUR;
using namespace std;
using namespace PBD;
+using Glib::ustring;
void
elapsed_time_to_str (char *buf, uint32_t seconds)
@@ -90,6 +92,24 @@ elapsed_time_to_str (char *buf, uint32_t seconds)
}
}
+ustring
+legalize_for_path (ustring str)
+{
+ ustring::size_type pos;
+ ustring legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=: ";
+ ustring legal;
+
+ legal = str;
+ pos = 0;
+
+ while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
+ legal.replace (pos, 1, "_");
+ pos += 1;
+ }
+
+ return legal;
+}
+#if 0
string
legalize_for_path (string str)
{
@@ -107,6 +127,7 @@ legalize_for_path (string str)
return legal;
}
+#endif
ostream&
operator<< (ostream& o, const BBT_Time& bbt)
@@ -180,7 +201,7 @@ tokenize_fullpath (string fullpath, string& path, string& name)
}
int
-touch_file (string path)
+touch_file (ustring path)
{
int fd = open (path.c_str(), O_RDWR|O_CREAT, 0660);
if (fd >= 0) {
@@ -190,22 +211,31 @@ touch_file (string path)
return 1;
}
-string
-placement_as_string (Placement p)
+ustring
+region_name_from_path (ustring path, bool strip_channels)
{
- switch (p) {
- case PreFader:
- return _("pre");
- default: /* to get g++ to realize we have all the cases covered */
- case PostFader:
- return _("post");
+ path = PBD::basename_nosuffix (path);
+
+ if (strip_channels) {
+
+ /* remove any "?R", "?L" or "?[a-z]" channel identifier */
+
+ ustring::size_type len = path.length();
+
+ if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
+ (path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
+
+ path = path.substr (0, path.length() - 2);
+ }
}
-}
-string
-region_name_from_path (string path)
+ return path;
+}
+
+bool
+path_is_paired (ustring path, ustring& pair_base)
{
- string::size_type pos;
+ ustring::size_type pos;
/* remove any leading path */
@@ -219,21 +249,23 @@ region_name_from_path (string path)
path = path.substr (0, pos);
}
- /* remove any "?R", "?L" or "?[a-z]" channel identifier */
-
- string::size_type len = path.length();
+ ustring::size_type len = path.length();
+
+ /* look for possible channel identifier: "?R", "%R", ".L" etc. */
- if (len > 3 && (path[len-2] == '%' || path[len-2] == '?') &&
+ if (len > 3 && (path[len-2] == '%' || path[len-2] == '?' || path[len-2] == '.') &&
(path[len-1] == 'R' || path[len-1] == 'L' || (islower (path[len-1])))) {
- path = path.substr (0, path.length() - 2);
- }
+ pair_base = path.substr (0, len-2);
+ return true;
- return path;
-}
+ }
-string
-path_expand (string path)
+ return false;
+}
+
+ustring
+path_expand (ustring path)
{
#ifdef HAVE_WORDEXP
/* Handle tilde and environment variable expansion in session path */
@@ -371,25 +403,65 @@ slave_source_to_string (SlaveSource src)
}
}
+/* I don't really like hard-coding these falloff rates here
+ * Probably should use a map of some kind that could be configured
+ * These rates are db/sec.
+*/
+
+#define METER_FALLOFF_OFF 0.0f
+#define METER_FALLOFF_SLOWEST 6.6f // BBC standard
+#define METER_FALLOFF_SLOW 8.6f // BBC standard
+#define METER_FALLOFF_MEDIUM 20.0f
+#define METER_FALLOFF_FAST 32.0f
+#define METER_FALLOFF_FASTER 46.0f
+#define METER_FALLOFF_FASTEST 70.0f
+
float
meter_falloff_to_float (MeterFalloff falloff)
{
switch (falloff) {
case MeterFalloffOff:
- return 0.0f;
+ return METER_FALLOFF_OFF;
case MeterFalloffSlowest:
- return 1.0f;
+ return METER_FALLOFF_SLOWEST;
case MeterFalloffSlow:
- return 2.0f;
+ return METER_FALLOFF_SLOW;
case MeterFalloffMedium:
- return 3.0f;
+ return METER_FALLOFF_MEDIUM;
case MeterFalloffFast:
- return 4.0f;
+ return METER_FALLOFF_FAST;
case MeterFalloffFaster:
- return 5.0f;
+ return METER_FALLOFF_FASTER;
case MeterFalloffFastest:
+ return METER_FALLOFF_FASTEST;
default:
- return 6.0f;
+ return METER_FALLOFF_FAST;
+ }
+}
+
+MeterFalloff
+meter_falloff_from_float (float val)
+{
+ if (val == METER_FALLOFF_OFF) {
+ return MeterFalloffOff;
+ }
+ else if (val <= METER_FALLOFF_SLOWEST) {
+ return MeterFalloffSlowest;
+ }
+ else if (val <= METER_FALLOFF_SLOW) {
+ return MeterFalloffSlow;
+ }
+ else if (val <= METER_FALLOFF_MEDIUM) {
+ return MeterFalloffMedium;
+ }
+ else if (val <= METER_FALLOFF_FAST) {
+ return MeterFalloffFast;
+ }
+ else if (val <= METER_FALLOFF_FASTER) {
+ return MeterFalloffFaster;
+ }
+ else {
+ return MeterFalloffFastest;
}
}