25 #ifndef SPA_POD_BUILDER_H 26 #define SPA_POD_BUILDER_H 49 #define SPA_POD_BUILDER_FLAG_BODY (1<<0) 50 #define SPA_POD_BUILDER_FLAG_FIRST (1<<1) 58 #define SPA_VERSION_POD_BUILDER_CALLBACKS 0 61 int (*
overflow) (
void *data, uint32_t size);
72 #define SPA_POD_BUILDER_INIT(buffer,size) (struct spa_pod_builder){ buffer, size, 0, {}, {} } 92 builder->
state = *state;
106 if (offset + 8 <=
size) {
147 overflow, 0,
offset + size);
149 if (res == 0 && data)
215 #define SPA_POD_INIT(size,type) (struct spa_pod) { size, type } 217 #define SPA_POD_INIT_None() SPA_POD_INIT(0, SPA_TYPE_None) 232 #define SPA_POD_INIT_Bool(val) (struct spa_pod_bool){ { sizeof(uint32_t), SPA_TYPE_Bool }, val ? 1 : 0, 0 } 240 #define SPA_POD_INIT_Id(val) (struct spa_pod_id){ { sizeof(uint32_t), SPA_TYPE_Id }, (uint32_t)val, 0 } 248 #define SPA_POD_INIT_Int(val) (struct spa_pod_int){ { sizeof(int32_t), SPA_TYPE_Int }, (int32_t)val, 0 } 256 #define SPA_POD_INIT_Long(val) (struct spa_pod_long){ { sizeof(int64_t), SPA_TYPE_Long }, (int64_t)val } 264 #define SPA_POD_INIT_Float(val) (struct spa_pod_float){ { sizeof(float), SPA_TYPE_Float }, val, 0 } 272 #define SPA_POD_INIT_Double(val) (struct spa_pod_double){ { sizeof(double), SPA_TYPE_Double }, val } 280 #define SPA_POD_INIT_String(len) (struct spa_pod_string){ { len, SPA_TYPE_String } } 306 uint32_t len = str ? strlen(str) : 0;
310 #define SPA_POD_INIT_Bytes(len) (struct spa_pod_bytes){ { len, SPA_TYPE_Bytes } } 330 #define SPA_POD_INIT_Pointer(type,value) (struct spa_pod_pointer){ { sizeof(struct spa_pod_pointer_body), SPA_TYPE_Pointer }, { type, 0, value } } 339 #define SPA_POD_INIT_Fd(fd) (struct spa_pod_fd){ { sizeof(int64_t), SPA_TYPE_Fd }, fd } 347 #define SPA_POD_INIT_Rectangle(val) (struct spa_pod_rectangle){ { sizeof(struct spa_rectangle), SPA_TYPE_Rectangle }, val } 356 #define SPA_POD_INIT_Fraction(val) (struct spa_pod_fraction){ { sizeof(struct spa_fraction), SPA_TYPE_Fraction }, val } 379 uint32_t child_size, uint32_t child_type, uint32_t n_elems,
const void *elems)
383 {{child_size, child_type}}
391 #define SPA_POD_INIT_CHOICE_BODY(type, flags, child_size, child_type) \ 392 (struct spa_pod_choice_body) { type, flags, { child_size, child_type }} 394 #define SPA_POD_INIT_Choice(type, ctype, child_type, n_vals, ...) \ 395 (struct { struct spa_pod_choice choice; ctype vals[n_vals];}) \ 396 { { { n_vals * sizeof(ctype) + sizeof(struct spa_pod_choice_body), SPA_TYPE_Choice }, \ 397 { type, 0, { sizeof(ctype), child_type } } }, { __VA_ARGS__ } } 401 uint32_t type, uint32_t flags)
412 #define SPA_POD_INIT_Struct(size) (struct spa_pod_struct){ { size, SPA_TYPE_Struct } } 424 #define SPA_POD_INIT_Object(size,type,id,...) (struct spa_pod_object){ { size, SPA_TYPE_Object }, { type, id }, ##__VA_ARGS__ } 428 uint32_t type, uint32_t
id)
438 #define SPA_POD_INIT_Prop(key,flags,size,type) \ 439 (struct spa_pod_prop){ key, flags, { size, type } } 444 const struct { uint32_t key; uint32_t flags; } p = { key, flags };
448 #define SPA_POD_INIT_Sequence(size,unit) \ 449 (struct spa_pod_sequence){ { size, SPA_TYPE_Sequence}, {unit, 0 } } 462 static inline uint32_t
465 const struct { uint32_t offset; uint32_t type; } p = { offset, type };
486 #define SPA_POD_BUILDER_COLLECT(builder,type,args) \ 490 spa_pod_builder_bool(builder, !!va_arg(args, int)); \ 493 spa_pod_builder_id(builder, va_arg(args, uint32_t)); \ 496 spa_pod_builder_int(builder, va_arg(args, int)); \ 499 spa_pod_builder_long(builder, va_arg(args, int64_t)); \ 502 spa_pod_builder_float(builder, va_arg(args, double)); \ 505 spa_pod_builder_double(builder, va_arg(args, double)); \ 509 char *strval = va_arg(args, char *); \ 510 if (strval != NULL) { \ 511 size_t len = strlen(strval); \ 512 spa_pod_builder_string_len(builder, strval, len); \ 515 spa_pod_builder_none(builder); \ 520 char *strval = va_arg(args, char *); \ 521 size_t len = va_arg(args, int); \ 522 spa_pod_builder_string_len(builder, strval, len); \ 527 void *ptr = va_arg(args, void *); \ 528 int len = va_arg(args, int); \ 529 spa_pod_builder_bytes(builder, ptr, len); \ 534 struct spa_rectangle *rectval = \ 535 va_arg(args, struct spa_rectangle *); \ 536 spa_pod_builder_rectangle(builder, \ 537 rectval->width, rectval->height); \ 542 struct spa_fraction *fracval = \ 543 va_arg(args, struct spa_fraction *); \ 544 spa_pod_builder_fraction(builder, fracval->num, fracval->denom);\ 549 int child_size = va_arg(args, int); \ 550 int child_type = va_arg(args, int); \ 551 int n_elems = va_arg(args, int); \ 552 void *elems = va_arg(args, void *); \ 553 spa_pod_builder_array(builder, child_size, \ 554 child_type, n_elems, elems); \ 559 int t = va_arg(args, uint32_t); \ 560 spa_pod_builder_pointer(builder, t, va_arg(args, void *)); \ 564 spa_pod_builder_fd(builder, va_arg(args, int)); \ 571 struct spa_pod *pod = va_arg(args, struct spa_pod *); \ 573 spa_pod_builder_none(builder); \ 575 spa_pod_builder_primitive(builder, pod); \ 597 uint32_t key = va_arg(args, uint32_t);
605 uint32_t
offset = va_arg(args, uint32_t);
606 uint32_t type = va_arg(args, uint32_t);
615 if ((format = va_arg(args,
const char *)) == NULL)
618 choice = *format ==
'?';
626 n_values = va_arg(args,
int);
628 while (n_values-- > 0)
644 va_start(args, builder);
651 #define spa_pod_builder_add_object(b,type,id,...) \ 653 struct spa_pod_frame _f; \ 654 spa_pod_builder_push_object(b, &_f, type, id); \ 655 spa_pod_builder_add(b, ##__VA_ARGS__, 0); \ 656 spa_pod_builder_pop(b, &_f); \ 659 #define spa_pod_builder_add_struct(b,...) \ 661 struct spa_pod_frame _f; \ 662 spa_pod_builder_push_struct(b, &_f); \ 663 spa_pod_builder_add(b, ##__VA_ARGS__, NULL); \ 664 spa_pod_builder_pop(b, &_f); \ 667 #define spa_pod_builder_add_sequence(b,unit,...) \ 669 struct spa_pod_frame _f; \ 670 spa_pod_builder_push_sequence(b, &_f, unit); \ 671 spa_pod_builder_add(b, ##__VA_ARGS__, 0, 0); \ 672 spa_pod_builder_pop(b, &_f); \ void * data
Definition: builder.h:74
struct spa_pod pod
Definition: pod.h:101
struct spa_pod pod
Definition: pod.h:273
static int spa_pod_builder_push_array(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:390
#define SPA_POD_INIT_Fraction(val)
Definition: builder.h:380
static int spa_pod_builder_add(struct spa_pod_builder *builder,...)
Definition: builder.h:665
struct spa_pod pod
Definition: pod.h:220
static int spa_pod_builder_string(struct spa_pod_builder *builder, const char *str)
Definition: builder.h:323
#define SPA_POD_BUILDER_FLAG_BODY
Definition: builder.h:55
#define SPA_POD_INIT_Object(size, type, id,...)
Definition: builder.h:450
#define SPA_POD_INIT_Id(val)
Definition: builder.h:254
struct spa_pod pod
Definition: pod.h:188
uint32_t flags
extra flags
Definition: pod.h:176
static int spa_pod_builder_raw(struct spa_pod_builder *builder, const void *data, uint32_t size)
Definition: builder.h:148
static int spa_pod_builder_addv(struct spa_pod_builder *builder, va_list args)
Definition: builder.h:608
void * data
Definition: hook.h:138
static void spa_pod_builder_get_state(struct spa_pod_builder *builder, struct spa_pod_builder_state *state)
Definition: builder.h:85
#define SPA_POD_BUILDER_FLAG_FIRST
Definition: builder.h:57
static int spa_pod_builder_bool(struct spa_pod_builder *builder, bool val)
Definition: builder.h:247
#define SPA_POD_INIT_Float(val)
Definition: builder.h:281
static int spa_pod_builder_bytes(struct spa_pod_builder *builder, const void *bytes, uint32_t len)
Definition: builder.h:333
flags: default, possible flags,...
Definition: pod.h:171
static int spa_pod_builder_float(struct spa_pod_builder *builder, float val)
Definition: builder.h:283
static int spa_pod_builder_primitive(struct spa_pod_builder *builder, const struct spa_pod *p)
Definition: builder.h:204
#define SPA_POD_INIT_Struct(size)
Definition: builder.h:437
static int spa_pod_builder_int(struct spa_pod_builder *builder, int32_t val)
Definition: builder.h:265
static int spa_pod_builder_raw_padded(struct spa_pod_builder *builder, const void *data, uint32_t size)
Definition: builder.h:178
#define SPA_POD_BUILDER_INIT(buffer, size)
Definition: builder.h:82
uint32_t flags
Definition: iter.h:51
static void * spa_pod_builder_reserve_bytes(struct spa_pod_builder *builder, uint32_t len)
Definition: builder.h:342
uint32_t type
Definition: pod.h:65
static int spa_pod_builder_none(struct spa_pod_builder *builder)
Definition: builder.h:231
#define SPA_POD_BODY_CONST(pod)
Definition: pod.h:61
static int spa_pod_builder_pad(struct spa_pod_builder *builder, uint32_t size)
Definition: builder.h:170
#define SPA_POD_INIT_Long(val)
Definition: builder.h:272
struct spa_pod_frame * parent
Definition: iter.h:49
int(* overflow)(void *data, uint32_t size)
Definition: builder.h:70
struct spa_pod pod
Definition: pod.h:90
struct spa_pod pod
Definition: pod.h:121
#define SPA_POD_INIT_Double(val)
Definition: builder.h:290
static int spa_pod_builder_fd(struct spa_pod_builder *builder, int64_t fd)
Definition: builder.h:363
struct spa_pod pod
Definition: pod.h:147
uint32_t offset
Definition: iter.h:50
#define SPA_POD_INIT_String(len)
Definition: builder.h:299
static int spa_pod_builder_double(struct spa_pod_builder *builder, double val)
Definition: builder.h:292
static void * spa_pod_builder_pop(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:186
Callbacks, contains the structure with functions and the data passed to the functions.
Definition: hook.h:136
static int spa_pod_builder_fraction(struct spa_pod_builder *builder, uint32_t num, uint32_t denom)
Definition: builder.h:383
struct spa_pod pod
Definition: iter.h:48
static int spa_pod_builder_prop(struct spa_pod_builder *builder, uint32_t key, uint32_t flags)
Definition: builder.h:468
struct spa_pod pod
Definition: pod.h:78
#define SPA_ROUND_UP_N(num, align)
Definition: defs.h:296
#define SPA_POD_BODY(pod)
Definition: pod.h:59
uint32_t _padding
Definition: builder.h:76
#define SPA_POD_INIT_Int(val)
Definition: builder.h:263
static struct spa_pod * spa_pod_copy(const struct spa_pod *pod)
Copy a pod structure.
Definition: builder.h:703
static struct spa_pod * spa_pod_builder_frame(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:125
struct spa_pod pod
Definition: pod.h:116
no choice, first value is current
Definition: pod.h:167
struct spa_pod_builder_state state
Definition: builder.h:77
#define SPA_POD_INIT_Fd(fd)
Definition: builder.h:361
list: default, alternative,...
Definition: pod.h:170
range: default, min, max
Definition: pod.h:168
struct spa_pod pod
Definition: pod.h:183
static int spa_pod_builder_string_len(struct spa_pod_builder *builder, const char *str, uint32_t len)
Definition: builder.h:314
#define SPA_POD_INIT_Sequence(size, unit)
Definition: builder.h:474
static int spa_pod_builder_push_choice(struct spa_pod_builder *builder, struct spa_pod_frame *frame, uint32_t type, uint32_t flags)
Definition: builder.h:424
struct spa_pod pod
Definition: pod.h:84
#define SPA_POD_BODY_SIZE(pod)
Definition: pod.h:46
static struct spa_pod * spa_pod_builder_deref(struct spa_pod_builder *builder, uint32_t offset)
Definition: builder.h:113
struct spa_pod_frame * frame
Definition: builder.h:59
range with step: default, min, max, step
Definition: pod.h:169
#define SPA_FRACTION(num, denom)
Definition: defs.h:120
static int spa_pod_builder_push_object(struct spa_pod_builder *builder, struct spa_pod_frame *frame, uint32_t type, uint32_t id)
Definition: builder.h:453
static void spa_pod_builder_init(struct spa_pod_builder *builder, void *data, uint32_t size)
Definition: builder.h:107
struct spa_callbacks callbacks
Definition: builder.h:78
static int spa_pod_builder_write_string(struct spa_pod_builder *builder, const char *str, uint32_t len)
Definition: builder.h:302
uint32_t version
Definition: builder.h:68
static int spa_pod_builder_push_sequence(struct spa_pod_builder *builder, struct spa_pod_frame *frame, uint32_t unit)
Definition: builder.h:478
static int spa_pod_builder_id(struct spa_pod_builder *builder, uint32_t val)
Definition: builder.h:256
#define SPA_POD_INIT_Bool(val)
Definition: builder.h:245
#define SPA_PTROFF(ptr_, offset_, type_)
Return the address (buffer + offset) as pointer of type.
Definition: defs.h:183
#define SPA_FLAG_IS_SET(field, flag)
Definition: defs.h:82
#define SPA_POD_INIT(size, type)
Definition: builder.h:226
struct spa_pod pod
Definition: pod.h:204
#define spa_callbacks_call_res(callbacks, type, res, method, vers,...)
Invoke method named method in the callbacks.
Definition: hook.h:219
uint32_t size
Definition: pod.h:64
uint32_t flags
Definition: builder.h:58
#define SPA_FALLTHROUGH
SPA_FALLTHROUGH is an annotation to suppress compiler warnings about switch cases that fall through w...
Definition: defs.h:76
static int spa_pod_builder_rectangle(struct spa_pod_builder *builder, uint32_t width, uint32_t height)
Definition: builder.h:373
#define SPA_CALLBACKS_INIT(_funcs, _data)
Initialize the set of functions funcs as a spa_callbacks, together with _data.
Definition: hook.h:154
static void spa_pod_builder_push(struct spa_pod_builder *builder, struct spa_pod_frame *frame, const struct spa_pod *pod, uint32_t offset)
Definition: builder.h:133
#define SPA_RECTANGLE(width, height)
Definition: defs.h:99
static void spa_pod_builder_reset(struct spa_pod_builder *builder, struct spa_pod_builder_state *state)
Definition: builder.h:98
static int spa_pod_builder_push_struct(struct spa_pod_builder *builder, struct spa_pod_frame *frame)
Definition: builder.h:440
struct spa_pod pod
Definition: pod.h:72
#define SPA_POD_SIZE(pod)
Definition: pod.h:50
struct spa_pod pod
Definition: pod.h:95
static uint32_t spa_choice_from_id(char id)
Definition: builder.h:495
static int spa_pod_builder_child(struct spa_pod_builder *builder, uint32_t size, uint32_t type)
Definition: builder.h:237
uint32_t offset
Definition: builder.h:53
#define SPA_POD_INIT_Bytes(len)
Definition: builder.h:330
#define SPA_POD_INIT_None()
Definition: builder.h:229
static int spa_pod_builder_long(struct spa_pod_builder *builder, int64_t val)
Definition: builder.h:274
uint32_t size
Definition: builder.h:75
uint32_t type
type of choice, one of enum spa_choice_type
Definition: pod.h:175
#define SPA_POD_INIT_Rectangle(val)
Definition: builder.h:370
static int spa_pod_builder_array(struct spa_pod_builder *builder, uint32_t child_size, uint32_t child_type, uint32_t n_elems, const void *elems)
Definition: builder.h:402
static uint32_t spa_pod_builder_control(struct spa_pod_builder *builder, uint32_t offset, uint32_t type)
Definition: builder.h:489
static int spa_pod_builder_pointer(struct spa_pod_builder *builder, uint32_t type, const void *val)
Definition: builder.h:354
struct spa_pod pod
Definition: pod.h:215
#define SPA_FLAG_CLEAR(field, flag)
Definition: defs.h:86
#define SPA_POD_BUILDER_COLLECT(builder, type, args)
Definition: builder.h:512
static void spa_pod_builder_set_callbacks(struct spa_pod_builder *builder, const struct spa_pod_builder_callbacks *callbacks, void *data)
Definition: builder.h:91
#define SPA_POD_INIT_Pointer(type, value)
Definition: builder.h:351
a sequence of timed controls
Definition: pod.h:272