/* FluidSynth - A Software Synthesizer * * Copyright (C) 2003 Peter Hanappe and others. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA */ /* * @file fluidsynth_priv.h * * lightweight part of fluid_sys.h, containing forward declarations of fluidsynth's private types and private macros * * include this one file in fluidsynth's private header files */ #ifndef _FLUIDSYNTH_PRIV_H #define _FLUIDSYNTH_PRIV_H #include #include "config.h" #if HAVE_STDLIB_H #include // malloc, free #endif #if HAVE_STDIO_H #include // printf #endif #if HAVE_STRING_H #include #endif #include "fluidsynth.h" /*************************************************************** * * BASIC TYPES */ #if defined(WITH_FLOAT) typedef float fluid_real_t; #else typedef double fluid_real_t; #endif #if defined(SUPPORTS_VLA) # define FLUID_DECLARE_VLA(_type, _name, _len) \ _type _name[_len] #else # define FLUID_DECLARE_VLA(_type, _name, _len) \ _type* _name = g_newa(_type, (_len)) #endif /** Atomic types */ typedef int fluid_atomic_int_t; typedef unsigned int fluid_atomic_uint_t; typedef float fluid_atomic_float_t; /*************************************************************** * * FORWARD DECLARATIONS */ typedef struct _fluid_env_data_t fluid_env_data_t; typedef struct _fluid_adriver_definition_t fluid_adriver_definition_t; typedef struct _fluid_channel_t fluid_channel_t; typedef struct _fluid_tuning_t fluid_tuning_t; typedef struct _fluid_hashtable_t fluid_hashtable_t; typedef struct _fluid_client_t fluid_client_t; typedef struct _fluid_server_socket_t fluid_server_socket_t; typedef struct _fluid_sample_timer_t fluid_sample_timer_t; typedef struct _fluid_zone_range_t fluid_zone_range_t; typedef struct _fluid_rvoice_eventhandler_t fluid_rvoice_eventhandler_t; /* Declare rvoice related typedefs here instead of fluid_rvoice.h, as it's needed * in fluid_lfo.c and fluid_adsr.c as well */ typedef union _fluid_rvoice_param_t { void *ptr; int i; fluid_real_t real; } fluid_rvoice_param_t; enum { MAX_EVENT_PARAMS = 6 }; /**< Maximum number of #fluid_rvoice_param_t to be passed to an #fluid_rvoice_function_t */ typedef void (*fluid_rvoice_function_t)(void *obj, const fluid_rvoice_param_t param[MAX_EVENT_PARAMS]); /* Macro for declaring an rvoice event function (#fluid_rvoice_function_t). The functions may only access * those params that were previously set in fluid_voice.c */ #define DECLARE_FLUID_RVOICE_FUNCTION(name) void name(void* obj, const fluid_rvoice_param_t param[MAX_EVENT_PARAMS]) /*************************************************************** * * CONSTANTS */ #define FLUID_BUFSIZE 64 /**< FluidSynth internal buffer size (in samples) */ #define FLUID_MIXER_MAX_BUFFERS_DEFAULT (8192/FLUID_BUFSIZE) /**< Number of buffers that can be processed in one rendering run */ #define FLUID_MAX_EVENTS_PER_BUFSIZE 1024 /**< Maximum queued MIDI events per #FLUID_BUFSIZE */ #define FLUID_MAX_RETURN_EVENTS 1024 /**< Maximum queued synthesis thread return events */ #define FLUID_MAX_EVENT_QUEUES 16 /**< Maximum number of unique threads queuing events */ #define FLUID_DEFAULT_AUDIO_RT_PRIO 60 /**< Default setting for audio.realtime-prio */ #define FLUID_DEFAULT_MIDI_RT_PRIO 50 /**< Default setting for midi.realtime-prio */ #define FLUID_NUM_MOD 64 /**< Maximum number of modulators in a voice */ /*************************************************************** * * SYSTEM INTERFACE */ /* Math constants */ #ifndef M_PI #define M_PI 3.1415926535897932384626433832795 #endif #ifndef M_LN2 #define M_LN2 0.69314718055994530941723212145818 #endif #ifndef M_LN10 #define M_LN10 2.3025850929940456840179914546844 #endif #define FLUID_M_PI ((fluid_real_t)M_PI) #define FLUID_M_LN2 ((fluid_real_t)M_LN2) #define FLUID_M_LN10 ((fluid_real_t)M_LN10) /* Math functions */ #if defined WITH_FLOAT && defined HAVE_SINF #define FLUID_SIN sinf #else #define FLUID_SIN (fluid_real_t)sin #endif #if defined WITH_FLOAT && defined HAVE_COSF #define FLUID_COS cosf #else #define FLUID_COS (fluid_real_t)cos #endif #if defined WITH_FLOAT && defined HAVE_FABSF #define FLUID_FABS fabsf #else #define FLUID_FABS (fluid_real_t)fabs #endif #if defined WITH_FLOAT && defined HAVE_POWF #define FLUID_POW powf #else #define FLUID_POW (fluid_real_t)pow #endif #if defined WITH_FLOAT && defined HAVE_SQRTF #define FLUID_SQRT sqrtf #else #define FLUID_SQRT (fluid_real_t)sqrt #endif #if defined WITH_FLOAT && defined HAVE_LOGF #define FLUID_LOGF logf #else #define FLUID_LOGF (fluid_real_t)log #endif /* Memory allocation */ #define FLUID_MALLOC(_n) fluid_alloc(_n) #define FLUID_REALLOC(_p,_n) realloc(_p,_n) #define FLUID_FREE(_p) fluid_free(_p) #define FLUID_NEW(_t) (_t*)FLUID_MALLOC(sizeof(_t)) #define FLUID_ARRAY_ALIGNED(_t,_n,_a) (_t*)FLUID_MALLOC((_n)*sizeof(_t) + ((unsigned int)_a - 1u)) #define FLUID_ARRAY(_t,_n) FLUID_ARRAY_ALIGNED(_t,_n,1u) void* fluid_alloc(size_t len); /* File access */ #define FLUID_FOPEN(_f,_m) fopen(_f,_m) #define FLUID_FCLOSE(_f) fclose(_f) #define FLUID_FREAD(_p,_s,_n,_f) fread(_p,_s,_n,_f) #define FLUID_FSEEK(_f,_n,_set) fseek(_f,_n,_set) #define FLUID_FTELL(_f) ftell(_f) /* Memory functions */ #define FLUID_MEMCPY(_dst,_src,_n) memcpy(_dst,_src,_n) #define FLUID_MEMSET(_s,_c,_n) memset(_s,_c,_n) /* String functions */ #define FLUID_STRLEN(_s) strlen(_s) #define FLUID_STRCMP(_s,_t) strcmp(_s,_t) #define FLUID_STRNCMP(_s,_t,_n) strncmp(_s,_t,_n) #define FLUID_STRCPY(_dst,_src) strcpy(_dst,_src) #define FLUID_STRNCPY(_dst,_src,_n) \ do { strncpy(_dst,_src,_n); \ (_dst)[(_n)-1]='\0'; \ }while(0) #define FLUID_STRCHR(_s,_c) strchr(_s,_c) #define FLUID_STRRCHR(_s,_c) strrchr(_s,_c) #ifdef strdup #define FLUID_STRDUP(s) strdup(s) #else #define FLUID_STRDUP(s) FLUID_STRCPY(FLUID_MALLOC(FLUID_STRLEN(s) + 1), s) #endif #define FLUID_SPRINTF sprintf #define FLUID_FPRINTF fprintf #if (defined(WIN32) && _MSC_VER < 1900) || defined(MINGW32) /* need to make sure we use a C99 compliant implementation of (v)snprintf(), * i.e. not microsofts non compliant extension _snprintf() as it doesnt * reliably null-terminates the buffer */ #define FLUID_SNPRINTF g_snprintf #else #define FLUID_SNPRINTF snprintf #endif #if (defined(WIN32) && _MSC_VER < 1500) || defined(MINGW32) #define FLUID_VSNPRINTF g_vsnprintf #else #define FLUID_VSNPRINTF vsnprintf #endif #if defined(WIN32) && !defined(MINGW32) #define FLUID_STRCASECMP _stricmp #else #define FLUID_STRCASECMP strcasecmp #endif #if defined(WIN32) && !defined(MINGW32) #define FLUID_STRNCASECMP _strnicmp #else #define FLUID_STRNCASECMP strncasecmp #endif #define fluid_clip(_val, _min, _max) \ { (_val) = ((_val) < (_min))? (_min) : (((_val) > (_max))? (_max) : (_val)); } #if WITH_FTS #define FLUID_PRINTF post #define FLUID_FLUSH() #else #define FLUID_PRINTF printf #define FLUID_FLUSH() fflush(stdout) #endif /* People who want to reduce the size of the may do this by entirely * removing the logging system. This will cause all log messages to * be discarded at compile time, allowing to save about 80 KiB for * the compiled binary. */ #if 0 #define FLUID_LOG (void)sizeof #else #define FLUID_LOG fluid_log #endif #if defined(DEBUG) && !defined(NDEBUG) #define FLUID_ASSERT(a) g_assert(a) #else #define FLUID_ASSERT(a) #endif #define FLUID_LIKELY G_LIKELY #define FLUID_UNLIKELY G_UNLIKELY /* Misc */ #if defined(__INTEL_COMPILER) #define FLUID_RESTRICT restrict #elif defined(__clang__) || defined(__GNUC__) || defined(__GNUG__) #define FLUID_RESTRICT __restrict__ #elif defined(_MSC_VER) && _MSC_VER >= 1400 #define FLUID_RESTRICT __restrict #else #warning "Dont know how this compiler handles restrict pointers, refuse to use them." #define FLUID_RESTRICT #endif #define FLUID_N_ELEMENTS(struct) (sizeof (struct) / sizeof (struct[0])) #define FLUID_MEMBER_SIZE(struct, member) ( sizeof (((struct *)0)->member) ) #define fluid_return_if_fail(cond) \ if(cond) \ ; \ else \ return #define fluid_return_val_if_fail(cond, val) \ fluid_return_if_fail(cond) (val) #endif /* _FLUIDSYNTH_PRIV_H */