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vararg.h
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/* Simple Plugin API */
/* SPDX-FileCopyrightText: Copyright © 2019 Wim Taymans */
/* SPDX-License-Identifier: MIT */
#ifndef SPA_POD_VARARG_H
#define SPA_POD_VARARG_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdarg.h>
#include <spa/pod/pod.h>
#define SPA_POD_Prop(key,...) \
key, ##__VA_ARGS__
#define SPA_POD_Control(offset,type,...) \
offset, type, ##__VA_ARGS__
#define SPA_CHOICE_RANGE(def,min,max) 3,(def),(min),(max)
#define SPA_CHOICE_STEP(def,min,max,step) 4,(def),(min),(max),(step)
#define SPA_CHOICE_ENUM(n_vals,...) (n_vals),##__VA_ARGS__
#define SPA_CHOICE_FLAGS(flags) 1, (flags)
#define SPA_CHOICE_BOOL(def) 3,(def),(def),!(def)
#define SPA_POD_Bool(val) "b", val
#define SPA_POD_CHOICE_Bool(def) "?eb", SPA_CHOICE_BOOL(def)
#define SPA_POD_Id(val) "I", val
#define SPA_POD_CHOICE_ENUM_Id(n_vals,...) "?eI", SPA_CHOICE_ENUM(n_vals, __VA_ARGS__)
#define SPA_POD_Int(val) "i", val
#define SPA_POD_CHOICE_ENUM_Int(n_vals,...) "?ei", SPA_CHOICE_ENUM(n_vals, __VA_ARGS__)
#define SPA_POD_CHOICE_RANGE_Int(def,min,max) "?ri", SPA_CHOICE_RANGE(def, min, max)
#define SPA_POD_CHOICE_STEP_Int(def,min,max,step) "?si", SPA_CHOICE_STEP(def, min, max, step)
#define SPA_POD_CHOICE_FLAGS_Int(flags) "?fi", SPA_CHOICE_FLAGS(flags)
#define SPA_POD_Long(val) "l", val
#define SPA_POD_CHOICE_ENUM_Long(n_vals,...) "?el", SPA_CHOICE_ENUM(n_vals, __VA_ARGS__)
#define SPA_POD_CHOICE_RANGE_Long(def,min,max) "?rl", SPA_CHOICE_RANGE(def, min, max)
#define SPA_POD_CHOICE_STEP_Long(def,min,max,step) "?sl", SPA_CHOICE_STEP(def, min, max, step)
#define SPA_POD_CHOICE_FLAGS_Long(flags) "?fl", SPA_CHOICE_FLAGS(flags)
#define SPA_POD_Float(val) "f", val
#define SPA_POD_CHOICE_ENUM_Float(n_vals,...) "?ef", SPA_CHOICE_ENUM(n_vals, __VA_ARGS__)
#define SPA_POD_CHOICE_RANGE_Float(def,min,max) "?rf", SPA_CHOICE_RANGE(def, min, max)
#define SPA_POD_CHOICE_STEP_Float(def,min,max,step) "?sf", SPA_CHOICE_STEP(def, min, max, step)
#define SPA_POD_Double(val) "d", val
#define SPA_POD_CHOICE_ENUM_Double(n_vals,...) "?ed", SPA_CHOICE_ENUM(n_vals, __VA_ARGS__)
#define SPA_POD_CHOICE_RANGE_Double(def,min,max) "?rd", SPA_CHOICE_RANGE(def, min, max)
#define SPA_POD_CHOICE_STEP_Double(def,min,max,step) "?sd", SPA_CHOICE_STEP(def, min, max, step)
#define SPA_POD_String(val) "s",val
#define SPA_POD_Stringn(val,len) "S",val,len
#define SPA_POD_Bytes(val,len) "y",val,len
#define SPA_POD_Rectangle(val) "R",val
#define SPA_POD_CHOICE_ENUM_Rectangle(n_vals,...) "?eR", SPA_CHOICE_ENUM(n_vals, __VA_ARGS__)
#define SPA_POD_CHOICE_RANGE_Rectangle(def,min,max) "?rR", SPA_CHOICE_RANGE((def),(min),(max))
#define SPA_POD_CHOICE_STEP_Rectangle(def,min,max,step) "?sR", SPA_CHOICE_STEP((def),(min),(max),(step))
#define SPA_POD_Fraction(val) "F",val
#define SPA_POD_CHOICE_ENUM_Fraction(n_vals,...) "?eF", SPA_CHOICE_ENUM(n_vals, __VA_ARGS__)
#define SPA_POD_CHOICE_RANGE_Fraction(def,min,max) "?rF", SPA_CHOICE_RANGE((def),(min),(max))
#define SPA_POD_CHOICE_STEP_Fraction(def,min,max,step) "?sF", SPA_CHOICE_STEP(def, min, max, step)
#define SPA_POD_Array(csize,ctype,n_vals,vals) "a", csize,ctype,n_vals,vals
#define SPA_POD_Pointer(type,val) "p", type,val
#define SPA_POD_Fd(val) "h", val
#define SPA_POD_None() "P", NULL
#define SPA_POD_Pod(val) "P", val
#define SPA_POD_PodObject(val) "O", val
#define SPA_POD_PodStruct(val) "T", val
#define SPA_POD_PodChoice(val) "V", val
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* SPA_POD_VARARG_H */
pod.h
spa/pod/pod.h