mirror of
https://github.com/LMMS/lmms.git
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ec07aef5ac
This commit ensures that all defined data types in include/lmms_basics.h are
suffxed with "_t" to keep consistency as well as to fix issues on systems
with older STL/libstdc++.
(cherry picked from commit 7449c4f731)
145 lines
3.1 KiB
C++
145 lines
3.1 KiB
C++
/*
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* types.h - typedefs for common types that are used in the whole app
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*
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* Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _TYPES_H
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#define _TYPES_H
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#include <limits>
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#include "lmmsconfig.h"
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#ifdef LMMS_HAVE_STDINT_H
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#include <stdint.h>
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#endif
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typedef unsigned char Uint8;
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typedef signed char Sint8;
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typedef unsigned short Uint16;
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typedef signed short Sint16;
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typedef unsigned int Uint32;
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typedef signed int Sint32;
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typedef Uint32 minute_t;
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typedef Sint8 second_t;
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typedef Sint32 tact_t;
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typedef Sint32 tick_t;
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typedef Uint8 volume_t;
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typedef Sint8 panning_t;
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typedef float sample_t; // standard sample-type
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typedef Sint16 int_sample_t; // 16-bit-int-sample
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typedef Uint32 sample_rate_t; // sample-rate
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typedef Sint16 fpp_t; // frames per period (0-16384)
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typedef Sint32 f_cnt_t; // standard frame-count
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typedef Uint8 ch_cnt_t; // channel-count (0-SURROUND_CHANNELS)
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typedef Uint16 bpm_t; // tempo (MIN_BPM to MAX_BPM)
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typedef Uint16 bitrate_t; // bitrate in kbps
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typedef Sint8 fx_ch_t; // FX-channel (0 to MAX_EFFECT_CHANNEL)
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typedef Uint32 jo_id_t; // (unique) ID of a journalling object
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// use for improved branch prediction
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#define likely(x) __builtin_expect((x),1)
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#define unlikely(x) __builtin_expect((x),0)
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template<typename T>
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struct typeInfo
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{
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static inline T min( void )
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{
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return std::numeric_limits<T>::min();
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}
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static inline T max( void )
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{
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return std::numeric_limits<T>::max();
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}
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static inline T minEps( void )
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{
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return 1;
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}
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static inline bool isEqual( T _x, T _y )
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{
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return _x == _y;
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}
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static inline T absVal( T t )
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{
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return t >= 0 ? t : -t;
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}
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} ;
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template<>
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inline float typeInfo<float>::minEps( void )
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{
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return 1.0e-10;
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}
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template<>
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inline bool typeInfo<float>::isEqual( float _x, float _y )
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{
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if( likely( _x == _y ) )
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{
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return true;
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}
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return absVal( _x - _y ) < minEps();
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}
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const ch_cnt_t DEFAULT_CHANNELS = 2;
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const ch_cnt_t SURROUND_CHANNELS =
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#define LMMS_DISABLE_SURROUND
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#ifndef LMMS_DISABLE_SURROUND
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4;
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#else
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2;
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#endif
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typedef sample_t sampleFrame[DEFAULT_CHANNELS];
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typedef sample_t surroundSampleFrame[SURROUND_CHANNELS];
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#define ALIGN_SIZE 16
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#if __GNUC__
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typedef sample_t sampleFrameA[DEFAULT_CHANNELS] __attribute__((__aligned__(ALIGN_SIZE)));
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#endif
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#define STRINGIFY(s) STR(s)
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#define STR(PN) #PN
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#endif
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