provide access to Send + Plugins from MIDI binding maps

[ardour.git] / libs / ardour / ardour / utils.h

diff --git a/libs/ardour/ardour/utils.h b/libs/ardour/ardour/utils.h
index 2ccc61bb9c4f14fd525011e9c626055106f458e5..e68f7a01df5bc012bc6f81e1fd661714051f4ad6 100644 (file)
--- a/libs/ardour/ardour/utils.h
+++ b/libs/ardour/ardour/utils.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 1999 Paul Davis 
+    Copyright (C) 1999 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,15 +37,16 @@
 class XMLNode;
 
 Glib::ustring legalize_for_path (Glib::ustring str);
-std::ostream& operator<< (std::ostream& o, const ARDOUR::BBT_Time& bbt);
 XMLNode* find_named_node (const XMLNode& node, std::string name);
+std::string bool_as_string (bool);
+bool string_is_affirmative (const std::string&);
 
 static inline float f_max(float x, float a) {
        x -= a;
        x += fabsf (x);
        x *= 0.5f;
        x += a;
-       
+
        return (x);
 }
 
@@ -59,15 +60,31 @@ Glib::ustring path_expand (Glib::ustring);
 Glib::ustring region_name_from_path (Glib::ustring path, bool strip_channels, bool add_channel_suffix = false, uint32_t total = 0, uint32_t this_one = 0);
 bool path_is_paired (Glib::ustring path, Glib::ustring& pair_base);
 
-void compute_equal_power_fades (nframes_t nframes, float* in, float* out);
+void compute_equal_power_fades (ARDOUR::nframes_t nframes, float* in, float* out);
 
-const char* slave_source_to_string (ARDOUR::SlaveSource src);
-ARDOUR::SlaveSource string_to_slave_source (std::string str);
+const char* sync_source_to_string (ARDOUR::SyncSource src);
+ARDOUR::SyncSource string_to_sync_source (std::string str);
 
 const char* edit_mode_to_string (ARDOUR::EditMode);
 ARDOUR::EditMode string_to_edit_mode (std::string);
 
 
+static inline double
+gain_to_slider_position (ARDOUR::gain_t g)
+{
+       if (g == 0) return 0;
+       return pow((6.0*log(g)/log(2.0)+192.0)/198.0, 8.0);
+
+}
+
+static inline ARDOUR::gain_t
+slider_position_to_gain (double pos)
+{
+       /* XXX Marcus writes: this doesn't seem right to me. but i don't have a better answer ... */
+       if (pos == 0.0) return 0;
+       return pow (2.0,(sqrt(sqrt(sqrt(pos)))*198.0-192.0)/6.0);
+}
+
 /* 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.