25 #ifndef SPA_POD_ITER_H 26 #define SPA_POD_ITER_H 33 #include <sys/types.h> 94 #define SPA_POD_ARRAY_BODY_FOREACH(body, _size, iter) \ 95 for ((iter) = (__typeof__(iter))SPA_PTROFF((body), sizeof(struct spa_pod_array_body), void); \ 96 (iter) < (__typeof__(iter))SPA_PTROFF((body), (_size), void); \ 97 (iter) = (__typeof__(iter))SPA_PTROFF((iter), (body)->child.size, void)) 99 #define SPA_POD_ARRAY_FOREACH(obj, iter) \ 100 SPA_POD_ARRAY_BODY_FOREACH(&(obj)->body, SPA_POD_BODY_SIZE(obj), iter) 102 #define SPA_POD_CHOICE_BODY_FOREACH(body, _size, iter) \ 103 for ((iter) = (__typeof__(iter))SPA_PTROFF((body), sizeof(struct spa_pod_choice_body), void); \ 104 (iter) < (__typeof__(iter))SPA_PTROFF((body), (_size), void); \ 105 (iter) = (__typeof__(iter))SPA_PTROFF((iter), (body)->child.size, void)) 107 #define SPA_POD_CHOICE_FOREACH(obj, iter) \ 108 SPA_POD_CHOICE_BODY_FOREACH(&(obj)->body, SPA_POD_BODY_SIZE(obj), iter) 110 #define SPA_POD_FOREACH(pod, size, iter) \ 111 for ((iter) = (pod); \ 112 spa_pod_is_inside(pod, size, iter); \ 113 (iter) = (__typeof__(iter))spa_pod_next(iter)) 115 #define SPA_POD_STRUCT_FOREACH(obj, iter) \ 116 SPA_POD_FOREACH(SPA_POD_BODY(obj), SPA_POD_BODY_SIZE(obj), iter) 118 #define SPA_POD_OBJECT_BODY_FOREACH(body, size, iter) \ 119 for ((iter) = spa_pod_prop_first(body); \ 120 spa_pod_prop_is_inside(body, size, iter); \ 121 (iter) = spa_pod_prop_next(iter)) 123 #define SPA_POD_OBJECT_FOREACH(obj, iter) \ 124 SPA_POD_OBJECT_BODY_FOREACH(&(obj)->body, SPA_POD_BODY_SIZE(obj), iter) 126 #define SPA_POD_SEQUENCE_BODY_FOREACH(body, size, iter) \ 127 for ((iter) = spa_pod_control_first(body); \ 128 spa_pod_control_is_inside(body, size, iter); \ 129 (iter) = spa_pod_control_next(iter)) 131 #define SPA_POD_SEQUENCE_FOREACH(seq, iter) \ 132 SPA_POD_SEQUENCE_BODY_FOREACH(&(seq)->body, SPA_POD_BODY_SIZE(seq), iter) 138 if (size <
sizeof(
struct spa_pod) ||
offset + size > maxsize)
250 strncpy(dest, s, maxlen-1);
251 dest[maxlen-1]=
'\0';
345 void *values, uint32_t max_values)
351 n_values =
SPA_MIN(n_values, max_values);
#define SPA_POD_CHOICE_N_VALUES(choice)
Definition: pod.h:162
#define SPA_POD_PROP_SIZE(prop)
Definition: pod.h:225
static const struct spa_pod_prop * spa_pod_find_prop(const struct spa_pod *pod, const struct spa_pod_prop *start, uint32_t key)
Definition: iter.h:428
static int spa_pod_is_string(const struct spa_pod *pod)
Definition: iter.h:234
static int spa_pod_is_fraction(const struct spa_pod *pod)
Definition: iter.h:317
static bool spa_pod_is_inside(const void *pod, uint32_t size, const void *iter)
Definition: iter.h:54
static void * spa_pod_next(const void *iter)
Definition: iter.h:60
#define SPA_POD_VALUE(type, pod)
Definition: pod.h:69
static struct spa_pod_prop * spa_pod_prop_first(const struct spa_pod_object_body *body)
Definition: iter.h:65
static bool spa_pod_prop_is_inside(const struct spa_pod_object_body *body, uint32_t size, const struct spa_pod_prop *iter)
Definition: iter.h:70
uint32_t offset
media offset
Definition: pod.h:259
#define SPA_POD_CHOICE_CHILD(choice)
Definition: pod.h:152
#define SPA_POD_ARRAY_VALUES(arr)
Definition: pod.h:139
static bool spa_pod_is_object_id(const struct spa_pod *pod, uint32_t id)
Definition: iter.h:397
#define SPA_MIN(a, b)
Definition: defs.h:146
#define SPA_POD_OBJECT_FOREACH(obj, iter)
Definition: iter.h:128
#define SPA_POD_OBJECT_ID(obj)
Definition: pod.h:195
static int spa_pod_get_id(const struct spa_pod *pod, uint32_t *value)
Definition: iter.h:174
uint32_t flags
Definition: iter.h:51
static int spa_pod_is_pointer(const struct spa_pod *pod)
Definition: iter.h:274
#define SPA_POD_TYPE(pod)
Definition: pod.h:48
uint32_t type
Definition: pod.h:65
static int spa_pod_get_rectangle(const struct spa_pod *pod, struct spa_rectangle *value)
Definition: iter.h:309
static struct spa_pod_control * spa_pod_control_first(const struct spa_pod_sequence_body *body)
Definition: iter.h:82
static int spa_pod_get_int(const struct spa_pod *pod, int32_t *value)
Definition: iter.h:187
static int spa_pod_fixate(struct spa_pod *pod)
Definition: iter.h:447
static int spa_pod_get_long(const struct spa_pod *pod, int64_t *value)
Definition: iter.h:200
struct spa_pod_frame * parent
Definition: iter.h:49
static int spa_pod_get_bool(const struct spa_pod *pod, bool *value)
Definition: iter.h:161
static int spa_pod_is_float(const struct spa_pod *pod)
Definition: iter.h:208
static int spa_pod_is_rectangle(const struct spa_pod *pod)
Definition: iter.h:303
uint32_t offset
Definition: iter.h:50
uint32_t type
type of control, enum spa_control_type
Definition: pod.h:260
struct spa_pod pod
Definition: iter.h:48
static struct spa_pod_control * spa_pod_control_next(const struct spa_pod_control *iter)
Definition: iter.h:94
struct spa_pod_object_body body
Definition: pod.h:205
static int spa_pod_get_pointer(const struct spa_pod *pod, uint32_t *type, const void **value)
Definition: iter.h:280
#define SPA_ROUND_UP_N(num, align)
Definition: defs.h:296
static int spa_pod_is_int(const struct spa_pod *pod)
Definition: iter.h:182
#define SPA_POD_BODY(pod)
Definition: pod.h:59
#define spa_return_val_if_fail(expr, val)
Definition: defs.h:333
static int spa_pod_get_string(const struct spa_pod *pod, const char **value)
Definition: iter.h:242
static int spa_pod_get_fd(const struct spa_pod *pod, int64_t *value)
Definition: iter.h:295
static int spa_pod_get_fraction(const struct spa_pod *pod, struct spa_fraction *value)
Definition: iter.h:323
static int spa_pod_is_bool(const struct spa_pod *pod)
Definition: iter.h:156
no choice, first value is current
Definition: pod.h:167
#define SPA_POD_ARRAY_VALUE_SIZE(arr)
Definition: pod.h:135
struct spa_pod pod
Definition: pod.h:183
static bool spa_pod_is_object_type(const struct spa_pod *pod, uint32_t type)
Definition: iter.h:392
#define SPA_POD_BODY_SIZE(pod)
Definition: pod.h:46
static void * spa_pod_get_array(const struct spa_pod *pod, uint32_t *n_values)
Definition: iter.h:342
static bool spa_pod_control_is_inside(const struct spa_pod_sequence_body *body, uint32_t size, const struct spa_pod_control *iter)
Definition: iter.h:87
struct spa_pod value
control value, depends on type
Definition: pod.h:261
static int spa_pod_is_struct(const struct spa_pod *pod)
Definition: iter.h:381
static int spa_pod_is_none(const struct spa_pod *pod)
Definition: iter.h:151
#define SPA_POD_OBJECT_TYPE(obj)
Definition: pod.h:193
#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
static int spa_pod_copy_string(const struct spa_pod *pod, size_t maxlen, char *dest)
Definition: iter.h:250
static int spa_pod_is_double(const struct spa_pod *pod)
Definition: iter.h:221
static struct spa_pod_prop * spa_pod_prop_next(const struct spa_pod_prop *iter)
Definition: iter.h:77
struct spa_pod pod
Definition: pod.h:204
uint32_t key
key of property, list of valid keys depends on the object type
Definition: pod.h:229
static int spa_pod_is_bytes(const struct spa_pod *pod)
Definition: iter.h:260
static int spa_pod_is_choice(const struct spa_pod *pod)
Definition: iter.h:361
static int spa_pod_is_array(const struct spa_pod *pod)
Definition: iter.h:336
uint32_t size
Definition: pod.h:64
#define SPA_POD_ARRAY_N_VALUES(arr)
Definition: pod.h:137
static int spa_pod_is_object(const struct spa_pod *pod)
Definition: iter.h:386
static int spa_pod_get_double(const struct spa_pod *pod, double *value)
Definition: iter.h:226
struct spa_pod value
Definition: pod.h:250
static void * spa_pod_from_data(void *data, size_t maxsize, off_t offset, size_t size)
Definition: iter.h:140
static const struct spa_pod_prop * spa_pod_object_find_prop(const struct spa_pod_object *pod, const struct spa_pod_prop *start, uint32_t key)
Definition: iter.h:408
#define SPA_POD_PROP_FLAG_DONT_FIXATE
choices need no fixation
Definition: pod.h:248
#define SPA_POD_SIZE(pod)
Definition: pod.h:50
static int spa_pod_get_bytes(const struct spa_pod *pod, const void **value, uint32_t *len)
Definition: iter.h:265
static int spa_pod_get_float(const struct spa_pod *pod, float *value)
Definition: iter.h:213
#define SPA_POD_CHOICE_TYPE(choice)
Definition: pod.h:154
#define SPA_POD_ARRAY_VALUE_TYPE(arr)
Definition: pod.h:133
static uint32_t spa_pod_copy_array(const struct spa_pod *pod, uint32_t type, void *values, uint32_t max_values)
Definition: iter.h:349
static struct spa_pod * spa_pod_get_values(const struct spa_pod *pod, uint32_t *n_vals, uint32_t *choice)
Definition: iter.h:367
static int spa_pod_object_fixate(struct spa_pod_object *pod)
Definition: iter.h:436
#define SPA_POD_CONTROL_SIZE(ev)
Definition: pod.h:255
static int spa_pod_is_id(const struct spa_pod *pod)
Definition: iter.h:169
static int spa_pod_is_sequence(const struct spa_pod *pod)
Definition: iter.h:402
static int spa_pod_is_long(const struct spa_pod *pod)
Definition: iter.h:195
#define SPA_POD_CONTENTS(type, pod)
Definition: pod.h:55
static int spa_pod_is_fixated(const struct spa_pod *pod)
Definition: iter.h:465
struct spa_pod pod
Definition: pod.h:215
static int spa_pod_object_is_fixated(const struct spa_pod_object *pod)
Definition: iter.h:454
uint32_t flags
flags for property
Definition: pod.h:249
static int spa_pod_is_fd(const struct spa_pod *pod)
Definition: iter.h:289
static int spa_pod_is_bitmap(const struct spa_pod *pod)
Definition: iter.h:330