mirror of
https://github.com/LMMS/lmms.git
synced 2026-03-04 06:07:15 -05:00
150 lines
3.1 KiB
C++
150 lines
3.1 KiB
C++
/*
|
|
* lmms_basics.h - typedefs for common types that are used in the whole app
|
|
*
|
|
* Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
|
|
*
|
|
* This file is part of LMMS - https://lmms.io
|
|
*
|
|
* 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 (see COPYING); if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef TYPES_H
|
|
#define TYPES_H
|
|
|
|
#include <cstddef>
|
|
#include <limits>
|
|
|
|
#include "lmmsconfig.h"
|
|
|
|
#include <cstdint>
|
|
#include <array>
|
|
|
|
|
|
namespace lmms
|
|
{
|
|
|
|
using bar_t = int32_t;
|
|
using tick_t = int32_t;
|
|
using volume_t = uint8_t;
|
|
using panning_t = int8_t;
|
|
|
|
using sample_t = float; // standard sample-type
|
|
using int_sample_t = int16_t; // 16-bit-int-sample
|
|
|
|
using sample_rate_t = uint32_t; // sample-rate
|
|
using fpp_t = int16_t; // frames per period (0-16384)
|
|
using f_cnt_t = int32_t; // standard frame-count
|
|
using ch_cnt_t = uint8_t; // channel-count (0-SURROUND_CHANNELS)
|
|
using bpm_t = uint16_t; // tempo (MIN_BPM to MAX_BPM)
|
|
using bitrate_t = uint16_t; // bitrate in kbps
|
|
using mix_ch_t = uint16_t; // Mixer-channel (0 to MAX_CHANNEL)
|
|
|
|
using jo_id_t = uint32_t; // (unique) ID of a journalling object
|
|
|
|
// windows headers define "min" and "max" macros, breaking the methods bwloe
|
|
#undef min
|
|
#undef max
|
|
|
|
template<typename T>
|
|
struct typeInfo
|
|
{
|
|
static inline T min()
|
|
{
|
|
return std::numeric_limits<T>::min();
|
|
}
|
|
|
|
static inline T max()
|
|
{
|
|
return std::numeric_limits<T>::max();
|
|
}
|
|
|
|
static inline T minEps()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static inline bool isEqual( T x, T y )
|
|
{
|
|
return x == y;
|
|
}
|
|
|
|
static inline T absVal( T t )
|
|
{
|
|
return t >= 0 ? t : -t;
|
|
}
|
|
} ;
|
|
|
|
|
|
template<>
|
|
inline float typeInfo<float>::minEps()
|
|
{
|
|
return 1.0e-10f;
|
|
}
|
|
|
|
template<>
|
|
inline bool typeInfo<float>::isEqual( float x, float y )
|
|
{
|
|
if( x == y )
|
|
{
|
|
return true;
|
|
}
|
|
return absVal( x - y ) < minEps();
|
|
}
|
|
|
|
|
|
|
|
constexpr ch_cnt_t DEFAULT_CHANNELS = 2;
|
|
|
|
constexpr ch_cnt_t SURROUND_CHANNELS =
|
|
#define LMMS_DISABLE_SURROUND
|
|
#ifndef LMMS_DISABLE_SURROUND
|
|
4;
|
|
#else
|
|
2;
|
|
#endif
|
|
|
|
constexpr char LADSPA_PATH_SEPERATOR =
|
|
#ifdef LMMS_BUILD_WIN32
|
|
';';
|
|
#else
|
|
':';
|
|
#endif
|
|
|
|
|
|
|
|
using sampleFrame = std::array<sample_t, DEFAULT_CHANNELS>;
|
|
using surroundSampleFrame = std::array<sample_t, SURROUND_CHANNELS>;
|
|
constexpr std::size_t LMMS_ALIGN_SIZE = 16;
|
|
|
|
|
|
#define LMMS_STRINGIFY(s) LMMS_STR(s)
|
|
#define LMMS_STR(PN) #PN
|
|
|
|
// Abstract away GUI CTRL key (linux/windows) vs ⌘ (apple)
|
|
constexpr const char* UI_CTRL_KEY =
|
|
#ifdef LMMS_BUILD_APPLE
|
|
"⌘";
|
|
#else
|
|
"Ctrl";
|
|
#endif
|
|
|
|
|
|
} // namespace lmms
|
|
|
|
#endif
|