X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Futils.h;h=1eab554178d3af1f1f18d88e2c24b1bd3bdf6eb8;hb=ba0458cf1f6c69366e89631d8fff916ad183d768;hp=1764885366ffb16bfd6cc709107ff338274adcc3;hpb=93c7aeba048f19df5abee5e4325ef8b0ef62c279;p=ardour.git diff --git a/libs/ardour/ardour/utils.h b/libs/ardour/ardour/utils.h index 1764885366..1eab554178 100644 --- 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 @@ -15,12 +15,15 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id$ */ #ifndef __ardour_utils_h__ #define __ardour_utils_h__ +#ifdef WAF_BUILD +#include "libardour-config.h" +#endif + #include #include #include @@ -29,38 +32,80 @@ #include #endif -#include "ardour.h" +bool string_is_affirmative (const std::string&); + +#include "ardour/ardour.h" +#include "ardour/data_type.h" class XMLNode; -void elapsed_time_to_str (char *buf, uint32_t seconds); -std::string legalize_for_path (std::string str); -std::ostream& operator<< (std::ostream& o, const ARDOUR::BBT_Time& bbt); +std::string legalize_for_path (const std::string& str); XMLNode* find_named_node (const XMLNode& node, std::string name); -std::string placement_as_string (ARDOUR::Placement); +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); } -int cmp_nocase (const std::string& s, const std::string& s2); +std::string bump_name_once(const std::string& s, char delimiter); -int tokenize_fullpath (std::string fullpath, std::string& path, std::string& name); +int cmp_nocase (const std::string& s, const std::string& s2); int touch_file(std::string path); -std::string region_name_from_path (std::string path); std::string path_expand (std::string); +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); +bool path_is_paired (std::string path, std::string& pair_base); + +void compute_equal_power_fades (ARDOUR::nframes_t nframes, float* in, float* out); + +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. +*/ + +#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 -void compute_equal_power_fades (nframes_t nframes, float* in, float* out); +float meter_falloff_to_float (ARDOUR::MeterFalloff); +ARDOUR::MeterFalloff meter_falloff_from_float (float); +float meter_falloff_to_db_per_sec (float); -const char* slave_source_to_string (ARDOUR::SlaveSource src); -ARDOUR::SlaveSource string_to_slave_source (std::string str); +const char* native_header_format_extension (ARDOUR::HeaderFormat, const ARDOUR::DataType& type); +bool matching_unsuffixed_filename_exists_in (const std::string& dir, const std::string& name); #if defined(HAVE_COREAUDIO) || defined(HAVE_AUDIOUNITS) std::string CFStringRefToStdString(CFStringRef stringRef);