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88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
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/*
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TiMidity++ -- MIDI to WAVE converter and player
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Copyright (C) 1999-2002 Masanao Izumo <mo@goice.co.jp>
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Copyright (C) 1995 Tuukka Toivonen <tt@cgs.fi>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SYSDEP_H_INCLUDED
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#define SYSDEP_H_INCLUDED 1
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#include <limits.h>
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#define DEFAULT_AUDIO_BUFFER_BITS 12
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#define SAMPLE_LENGTH_BITS 32
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#include <stdint.h> // int types are defined here
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#include "t_swap.h"
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namespace TimidityPlus
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{
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/* Instrument files are little-endian, MIDI files big-endian, so we
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need to do some conversions. */
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#define XCHG_SHORT(x) ((((x)&0xFF)<<8) | (((x)>>8)&0xFF))
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#define LE_SHORT(x) LittleShort(x)
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#define LE_LONG(x) LittleLong(x)
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#define BE_SHORT(x) BigShort(x)
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#define BE_LONG(x) BigLong(x)
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/* max_channels is defined in "timidity.h" */
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typedef struct _ChannelBitMask
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{
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uint32_t b; /* 32-bit bitvector */
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} ChannelBitMask;
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#define CLEAR_CHANNELMASK(bits) ((bits).b = 0)
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#define FILL_CHANNELMASK(bits) ((bits).b = ~0)
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#define IS_SET_CHANNELMASK(bits, c) ((bits).b & (1u << (c)))
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#define SET_CHANNELMASK(bits, c) ((bits).b |= (1u << (c)))
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#define UNSET_CHANNELMASK(bits, c) ((bits).b &= ~(1u << (c)))
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#define TOGGLE_CHANNELMASK(bits, c) ((bits).b ^= (1u << (c)))
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#define COPY_CHANNELMASK(dest, src) ((dest).b = (src).b)
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#define REVERSE_CHANNELMASK(bits) ((bits).b = ~(bits).b)
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#define COMPARE_CHANNELMASK(bitsA, bitsB) ((bitsA).b == (bitsB).b)
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typedef int16_t sample_t;
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typedef int32_t final_volume_t;
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# define FINAL_VOLUME(v) (v)
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# define MAX_AMP_VALUE ((1<<(AMP_BITS+1))-1)
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#define MIN_AMP_VALUE (MAX_AMP_VALUE >> 9)
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typedef uint32_t splen_t;
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#define SPLEN_T_MAX (splen_t)((uint32_t)0xFFFFFFFF)
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# define TIM_FSCALE(a,b) ((a) * (double)(1<<(b)))
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# define TIM_FSCALENEG(a,b) ((a) * (1.0 / (double)(1<<(b))))
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif /* M_PI */
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#if defined(_MSC_VER)
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#define strncasecmp(a,b,c) _strnicmp((a),(b),(c))
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#define strcasecmp(a,b) _stricmp((a),(b))
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#endif /* _MSC_VER */
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#define SAFE_CONVERT_LENGTH(len) (6 * (len) + 1)
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}
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#endif /* SYSDEP_H_INCUDED */
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