ardour/libs/ardour/ardour/utils.h

145 lines
5.2 KiB
C++

/*
* Copyright (C) 2000-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005-2006 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2007-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2008-2013 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_utils_h__
#define __ardour_utils_h__
#ifdef WAF_BUILD
#include "libardour-config.h"
#endif
#include <iostream>
#include <string>
#include <cmath>
#include "boost/shared_ptr.hpp"
#if __APPLE__
#include <CoreFoundation/CoreFoundation.h>
#endif /* __APPLE__ */
#include "ardour/ardour.h"
#include "ardour/data_type.h"
#include "ardour/dB.h"
#include "ardour/types.h"
#include "ardour/libardour_visibility.h"
class XMLNode;
namespace ARDOUR {
class Route;
class Track;
LIBARDOUR_API std::string legalize_for_path (const std::string& str);
LIBARDOUR_API std::string legalize_for_universal_path (const std::string& str);
LIBARDOUR_API std::string legalize_for_uri (const std::string& str);
LIBARDOUR_API std::string legalize_for_path_2X (const std::string& str);
LIBARDOUR_API XMLNode* find_named_node (const XMLNode& node, std::string name);
LIBARDOUR_API std::string bool_as_string (bool);
static inline float f_max(float x, float a) {
x -= a;
x += fabsf (x);
x *= 0.5f;
x += a;
return (x);
}
LIBARDOUR_API std::string bump_name_once(const std::string& s, char delimiter);
LIBARDOUR_API std::string bump_name_number(const std::string& s);
LIBARDOUR_API int cmp_nocase (const std::string& s, const std::string& s2);
LIBARDOUR_API int cmp_nocase_utf8 (const std::string& s1, const std::string& s2);
LIBARDOUR_API std::string region_name_from_path (std::string path, bool strip_channels, bool add_channel_suffix = false, uint32_t total = 0, uint32_t this_one = 0);
LIBARDOUR_API bool path_is_paired (std::string path, std::string& pair_base);
LIBARDOUR_API void compute_equal_power_fades (ARDOUR::samplecnt_t nframes, float* in, float* out);
LIBARDOUR_API const char* edit_mode_to_string (ARDOUR::EditMode);
LIBARDOUR_API ARDOUR::EditMode string_to_edit_mode (std::string);
LIBARDOUR_API const char* ripple_mode_to_string (ARDOUR::RippleMode);
LIBARDOUR_API ARDOUR::RippleMode string_to_ripple_mode (std::string);
LIBARDOUR_API double gain_to_slider_position_with_max (double g, double max_gain = 2.0);
LIBARDOUR_API double slider_position_to_gain_with_max (double g, double max_gain = 2.0);
/* 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.
*/
#define METER_FALLOFF_OFF 0.0f
#define METER_FALLOFF_SLOWEST 6.6f // BBC standard
#define METER_FALLOFF_SLOW 8.6f // BBC standard, EBU 24dB / 2.8sec
#define METER_FALLOFF_SLOWISH 12.0f // DIN 20dB / 1.7 sec
#define METER_FALLOFF_MODERATE 13.3f // EBU-PPM, IRT PPM- 20dB / 1.5 sec
#define METER_FALLOFF_MEDIUM 20.0f
#define METER_FALLOFF_FAST 32.0f
LIBARDOUR_API float meter_falloff_to_float (ARDOUR::MeterFalloff);
LIBARDOUR_API ARDOUR::MeterFalloff meter_falloff_from_float (float);
LIBARDOUR_API float meter_falloff_to_db_per_sec (float);
LIBARDOUR_API const char* native_header_format_extension (ARDOUR::HeaderFormat, const ARDOUR::DataType& type);
LIBARDOUR_API bool matching_unsuffixed_filename_exists_in (const std::string& dir, const std::string& name);
LIBARDOUR_API uint32_t how_many_dsp_threads ();
LIBARDOUR_API std::string compute_sha1_of_file (std::string path);
template<typename T> boost::shared_ptr<ControlList> route_list_to_control_list (boost::shared_ptr<RouteList> rl, boost::shared_ptr<T> (Stripable::*get_control)() const) {
boost::shared_ptr<ControlList> cl (new ControlList);
if (!rl) { return cl; }
for (RouteList::const_iterator r = rl->begin(); r != rl->end(); ++r) {
boost::shared_ptr<AutomationControl> ac = ((*r).get()->*get_control)();
if (ac) {
cl->push_back (ac);
}
}
return cl;
}
template<typename T> boost::shared_ptr<ControlList> stripable_list_to_control_list (StripableList& sl, boost::shared_ptr<T> (Stripable::*get_control)() const) {
boost::shared_ptr<ControlList> cl (new ControlList);
for (StripableList::const_iterator s = sl.begin(); s != sl.end(); ++s) {
boost::shared_ptr<AutomationControl> ac = ((*s).get()->*get_control)();
if (ac) {
cl->push_back (ac);
}
}
return cl;
}
#if __APPLE__
LIBARDOUR_API std::string CFStringRefToStdString(CFStringRef stringRef);
#endif // __APPLE__
} //namespave
#endif /* __ardour_utils_h__ */