diff --git a/lib/wp/meson.build b/lib/wp/meson.build
index 1cc8685ce47f792e7b391e10d21cf4141275e851..9cb987f7f475bd8e53d9c37bc96f5e50121a1db3 100644
--- a/lib/wp/meson.build
+++ b/lib/wp/meson.build
@@ -17,6 +17,7 @@ wp_lib_sources = files(
'properties.c',
'proxy.c',
'session.c',
+ 'spa-pod.c',
'spa-type.c',
'spa-props.c',
)
@@ -41,6 +42,7 @@ wp_lib_headers = files(
'properties.h',
'proxy.h',
'session.h',
+ 'spa-pod.h',
'spa-type.h',
'wp.h',
)
diff --git a/lib/wp/private.h b/lib/wp/private.h
index 14a9bde49e48092189cb5eede57a58ddac2c83d2..22c6881e3c755d4f56519bbbffc1502dcc9f5176 100644
--- a/lib/wp/private.h
+++ b/lib/wp/private.h
@@ -13,6 +13,7 @@
#include "object-manager.h"
#include "proxy.h"
#include "iterator.h"
+#include "spa-type.h"
#include <stdint.h>
#include <pipewire/pipewire.h>
@@ -132,6 +133,21 @@ WpIterator * wp_iterator_new (const WpIteratorMethods *methods,
size_t user_size);
gpointer wp_iterator_get_user_data (WpIterator *self);
+/* spa pod */
+
+typedef struct _WpSpaPod WpSpaPod;
+WpSpaPod * wp_spa_pod_new_regular_wrap (struct spa_pod *pod);
+WpSpaPod * wp_spa_pod_new_property_wrap (WpSpaTypeTable table, guint32 key,
+ guint32 flags, struct spa_pod *pod);
+WpSpaPod * wp_spa_pod_new_control_wrap (guint32 offset, guint32 type,
+ struct spa_pod *pod);
+WpSpaPod * wp_spa_pod_new_regular_wrap_copy (const struct spa_pod *pod);
+WpSpaPod * wp_spa_pod_new_property_wrap_copy (WpSpaTypeTable table, guint32 key,
+ guint32 flags, const struct spa_pod *pod);
+WpSpaPod * wp_spa_pod_new_control_wrap_copy (guint32 offset, guint32 type,
+ const struct spa_pod *pod);
+struct spa_pod *wp_spa_pod_get_spa_pod (WpSpaPod *self);
+
/* spa props */
struct _WpSpaProps
diff --git a/lib/wp/spa-pod.c b/lib/wp/spa-pod.c
new file mode 100644
index 0000000000000000000000000000000000000000..5a65af89da8554ea47a85fe893b7f16eeaff9e12
--- /dev/null
+++ b/lib/wp/spa-pod.c
@@ -0,0 +1,2909 @@
+/* WirePlumber
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author Julian Bouzas <julian.bouzas@collabora.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <spa/utils/type-info.h>
+#include <spa/pod/builder.h>
+#include <spa/pod/parser.h>
+
+#include "private.h"
+#include "spa-pod.h"
+#include "spa-type.h"
+
+#define WP_SPA_POD_BUILDER_REALLOC_STEP_SIZE 64
+
+enum {
+ FLAG_NO_OWNERSHIP = (1 << 0)
+};
+
+typedef enum {
+ WP_SPA_POD_REGULAR = 0,
+ WP_SPA_POD_PROPERTY,
+ WP_SPA_POD_CONTROL,
+} WpSpaPodType;
+
+struct _WpSpaPod
+{
+ grefcount ref;
+ guint32 flags;
+
+ /* The pipewire spa pod API does not have a type for Property and Control,
+ * so we create our own and separate them with their data from the regular
+ * spa pod types */
+ WpSpaPodType type;
+
+ /* Pod */
+ union {
+ struct spa_pod pod_none;
+ struct spa_pod_bool pod_bool;
+ struct spa_pod_id pod_id;
+ struct spa_pod_int pod_int;
+ struct spa_pod_long pod_long;
+ struct spa_pod_float pod_float;
+ struct spa_pod_double pod_double;
+ struct spa_pod_pointer pod_pointer;
+ struct spa_pod_fd pod_fd;
+ struct spa_pod_rectangle pod_rectangle;
+ struct spa_pod_fraction pod_fraction;
+ struct wp_property_data {
+ WpSpaTypeTable table;
+ guint32 key;
+ guint32 flags;
+ } data_property; /* Only used for property pods */
+ struct wp_control_data {
+ guint32 offset;
+ guint32 type;
+ } data_control; /* Only used for control pods */
+ } static_pod; /* Only used for statically allocated pods */
+ WpSpaPodBuilder *builder; /* Only used for dynamically allocated pods */
+ struct spa_pod *pod;
+};
+
+G_DEFINE_BOXED_TYPE (WpSpaPod, wp_spa_pod, wp_spa_pod_ref, wp_spa_pod_unref)
+
+struct _WpSpaPodBuilder
+{
+ size_t size;
+ guint8 *buf;
+ struct spa_pod_builder builder;
+ uint32_t type;
+ struct spa_pod_frame frame;
+ WpSpaTypeTable prop_table; /* Only used when parsing properties */
+};
+
+G_DEFINE_BOXED_TYPE (WpSpaPodBuilder, wp_spa_pod_builder,
+ wp_spa_pod_builder_ref, wp_spa_pod_builder_unref)
+
+struct _WpSpaPodParser
+{
+ guint32 type;
+ struct spa_pod_parser parser;
+ WpSpaPod *pod;
+ struct spa_pod_frame frame;
+ WpSpaTypeTable prop_table; /* Only used when parsing properties */
+};
+
+G_DEFINE_BOXED_TYPE (WpSpaPodParser, wp_spa_pod_parser,
+ wp_spa_pod_parser_ref, wp_spa_pod_parser_unref)
+
+static int
+wp_spa_pod_builder_overflow (gpointer data, uint32_t size)
+{
+ WpSpaPodBuilder *self = data;
+ const uint32_t next_size = self->size + WP_SPA_POD_BUILDER_REALLOC_STEP_SIZE;
+ const uint32_t new_size = size > next_size ? size : next_size;
+ self->buf = g_realloc (self->buf, new_size);
+ self->builder.data = self->buf;
+ self->builder.size = new_size;
+ self->size = new_size;
+ return 0;
+}
+
+static const struct spa_pod_builder_callbacks builder_callbacks = {
+ SPA_VERSION_POD_BUILDER_CALLBACKS,
+ .overflow = wp_spa_pod_builder_overflow
+};
+
+static WpSpaPodBuilder *
+wp_spa_pod_builder_new (size_t size, uint32_t type)
+{
+ WpSpaPodBuilder *self = g_rc_box_new0 (WpSpaPodBuilder);
+ self->size = size;
+ self->buf = g_new0 (guint8, self->size);
+ self->builder = SPA_POD_BUILDER_INIT (self->buf, self->size);
+ self->type = type;
+
+ spa_pod_builder_set_callbacks (&self->builder, &builder_callbacks, self);
+
+ return self;
+}
+
+
+/**
+ * wp_spa_pod_ref:
+ * @self: a spa pod object
+ *
+ * Returns: (transfer full): @self with an additional reference count on it
+ */
+WpSpaPod *
+wp_spa_pod_ref (WpSpaPod *self)
+{
+ g_ref_count_inc (&self->ref);
+ return self;
+}
+
+static void
+wp_spa_pod_free (WpSpaPod *self)
+{
+ g_clear_pointer (&self->builder, wp_spa_pod_builder_unref);
+ self->pod = NULL;
+ g_slice_free (WpSpaPod, self);
+}
+
+/**
+ * wp_spa_pod_unref:
+ * @self: (transfer full): a spa pod object
+ *
+ * Decreases the reference count on @self and frees it when the ref count
+ * reaches zero.
+ */
+void
+wp_spa_pod_unref (WpSpaPod *self)
+{
+ if (g_ref_count_dec (&self->ref))
+ wp_spa_pod_free (self);
+}
+
+WpSpaPod *
+wp_spa_pod_new_regular_wrap (struct spa_pod *pod)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->flags = FLAG_NO_OWNERSHIP;
+ self->type = WP_SPA_POD_REGULAR;
+ self->pod = pod;
+
+ /* Set the prop table if it is an object */
+ if (pod->type == SPA_TYPE_Object) {
+ WpSpaTypeTable prop_table = 0;
+ wp_spa_type_get_by_id (WP_SPA_TYPE_TABLE_BASIC,
+ ((struct spa_pod_object *) pod)->body.type, NULL, NULL, &prop_table);
+ self->static_pod.data_property.table = prop_table;
+ }
+
+ return self;
+}
+
+WpSpaPod *
+wp_spa_pod_new_property_wrap (WpSpaTypeTable table, guint32 key, guint32 flags,
+ struct spa_pod *pod)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->flags = FLAG_NO_OWNERSHIP;
+ self->type = WP_SPA_POD_PROPERTY;
+ self->pod = pod;
+ self->static_pod.data_property.table = table;
+ self->static_pod.data_property.key = key;
+ self->static_pod.data_property.flags = flags;
+ return self;
+}
+
+WpSpaPod *
+wp_spa_pod_new_control_wrap (guint32 offset, guint32 type, struct spa_pod *pod)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->flags = FLAG_NO_OWNERSHIP;
+ self->type = WP_SPA_POD_CONTROL;
+ self->pod = pod;
+ self->static_pod.data_control.offset = offset;
+ self->static_pod.data_control.type = type;
+ return self;
+}
+
+WpSpaPod *
+wp_spa_pod_new_regular_wrap_copy (const struct spa_pod *pod)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->builder = wp_spa_pod_builder_new (
+ SPA_ROUND_UP_N (sizeof (*pod) + pod->size, 8), pod->type);
+ self->pod = self->builder->builder.data;
+ spa_pod_builder_primitive (&self->builder->builder, pod);
+
+ /* Set the prop table if it is an object */
+ if (pod->type == SPA_TYPE_Object) {
+ WpSpaTypeTable prop_table = 0;
+ wp_spa_type_get_by_id (WP_SPA_TYPE_TABLE_BASIC,
+ ((struct spa_pod_object *) pod)->body.type, NULL, NULL, &prop_table);
+ self->static_pod.data_property.table = prop_table;
+ }
+
+ return self;
+}
+
+WpSpaPod *
+wp_spa_pod_new_property_wrap_copy (WpSpaTypeTable table, guint32 key,
+ guint32 flags, const struct spa_pod *pod)
+{
+ WpSpaPod *self = wp_spa_pod_new_regular_wrap_copy (pod);
+ self->type = WP_SPA_POD_PROPERTY;
+ self->static_pod.data_property.table = table;
+ self->static_pod.data_property.key = key;
+ self->static_pod.data_property.flags = flags;
+ return self;
+}
+
+WpSpaPod *
+wp_spa_pod_new_control_wrap_copy (guint32 offset, guint32 type,
+ const struct spa_pod *pod)
+{
+ WpSpaPod *self = wp_spa_pod_new_regular_wrap_copy (pod);
+ self->type = WP_SPA_POD_CONTROL;
+ self->static_pod.data_control.offset = offset;
+ self->static_pod.data_control.type = type;
+ return self;
+}
+
+struct spa_pod *
+wp_spa_pod_get_spa_pod (WpSpaPod *self)
+{
+ return self->pod;
+}
+
+/**
+ * wp_spa_pod_get_type_name:
+ * @self: a spa pod object
+ *
+ * Gets the type name of the spa pod object
+ *
+ * Returns: the type name of the spa pod object
+ */
+const char *
+wp_spa_pod_get_type_name (const WpSpaPod *self)
+{
+ const char *nick = NULL;
+ if (!wp_spa_type_get_by_id (WP_SPA_TYPE_TABLE_BASIC, SPA_POD_TYPE (self->pod),
+ NULL, &nick, NULL))
+ g_return_val_if_reached (NULL);
+ return nick;
+}
+
+/**
+ * wp_spa_pod_copy:
+ * @other: a spa pod object
+ *
+ * Copies a spa pod object
+ *
+ * Returns: (transfer full): The newly copied spa pod
+ */
+WpSpaPod *
+wp_spa_pod_copy (const WpSpaPod *other)
+{
+ g_return_val_if_fail (other, NULL);
+ switch (other->type) {
+ case WP_SPA_POD_PROPERTY:
+ return wp_spa_pod_new_property_wrap_copy (
+ other->static_pod.data_property.table,
+ other->static_pod.data_property.key,
+ other->static_pod.data_property.flags, other->pod);
+ case WP_SPA_POD_CONTROL:
+ return wp_spa_pod_new_control_wrap_copy (
+ other->static_pod.data_control.offset,
+ other->static_pod.data_control.type, other->pod);
+ case WP_SPA_POD_REGULAR:
+ default:
+ break;
+ }
+ return wp_spa_pod_new_regular_wrap_copy (other->pod);
+}
+
+/**
+ * wp_spa_pod_is_unique_owner:
+ * @self: a spa pod object
+ *
+ * Checks if the pod is the unique owner of its data or not
+ *
+ * Returns: TRUE if the pod owns the data, FALSE otherwise.
+ */
+gboolean
+wp_spa_pod_is_unique_owner (WpSpaPod *self)
+{
+ return g_ref_count_compare (&self->ref, 1) &&
+ !(self->flags & FLAG_NO_OWNERSHIP);
+}
+
+/**
+ * wp_spa_pod_ensure_unique_owner:
+ * @self (transfer full): a spa pod object
+ *
+ * If @self is not uniquely owned already, then it is unrefed and a copy of
+ * it is returned instead. You should always consider @self as unsafe to use
+ * after this call and you should use the returned object instead.
+ *
+ * Returns: (transfer full): the uniquely owned spa pod object which may or may
+ * not be the same as @self.
+ */
+WpSpaPod *
+wp_spa_pod_ensure_unique_owner (WpSpaPod *self)
+{
+ WpSpaPod *copy = NULL;
+
+ if (wp_spa_pod_is_unique_owner (self))
+ return self;
+
+ copy = wp_spa_pod_copy (self);
+ wp_spa_pod_unref (self);
+ return copy;
+}
+
+/**
+ * wp_spa_pod_new_none:
+ *
+ * Creates a spa pod of type None
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_none (void)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_none = SPA_POD_INIT_None();
+ self->pod = &self->static_pod.pod_none;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_boolean:
+ * @value: the boolean value
+ *
+ * Creates a spa pod of type boolean
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_boolean (gboolean value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_bool = SPA_POD_INIT_Bool (value ? true : false);
+ self->pod = &self->static_pod.pod_bool.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_id:
+ * @value: the Id value
+ *
+ * Creates a spa pod of type Id
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_id (guint32 value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_id = SPA_POD_INIT_Id (value);
+ self->pod = &self->static_pod.pod_id.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_int:
+ * @value: the int value
+ *
+ * Creates a spa pod of type int
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_int (gint value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->static_pod.pod_int = SPA_POD_INIT_Int (value);
+ self->pod = &self->static_pod.pod_int.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_long:
+ * @value: the long value
+ *
+ * Creates a spa pod of type long
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_long (glong value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_long = SPA_POD_INIT_Long (value);
+ self->pod = &self->static_pod.pod_long.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_float:
+ * @value: the float value
+ *
+ * Creates a spa pod of type float
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_float (float value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_float = SPA_POD_INIT_Float (value);
+ self->pod = &self->static_pod.pod_float.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_double:
+ * @value: the double value
+ *
+ * Creates a spa pod of type double
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_double (double value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_double = SPA_POD_INIT_Double (value);
+ self->pod = &self->static_pod.pod_double.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_string:
+ * @value: the string value
+ *
+ * Creates a spa pod of type string
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_string (const char *value)
+{
+ const uint32_t len = value ? strlen (value) : 0;
+ const char *str = value ? value : "";
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+
+ struct spa_pod_string p = SPA_POD_INIT_String (len + 1);
+ self->builder = wp_spa_pod_builder_new (
+ SPA_ROUND_UP_N (sizeof (p) + len + 1, 8), SPA_TYPE_String);
+
+ self->pod = self->builder->builder.data;
+
+ spa_pod_builder_raw (&self->builder->builder, &p, sizeof(p));
+ spa_pod_builder_write_string (&self->builder->builder, str, len);
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_bytes:
+ * @value: the bytes value
+ * @len: the length of the bytes value
+ *
+ * Creates a spa pod of type bytes
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_bytes (gconstpointer value, guint32 len)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ const struct spa_pod_bytes p = SPA_POD_INIT_Bytes (len);
+ self->builder = wp_spa_pod_builder_new (
+ SPA_ROUND_UP_N (sizeof (p) + p.pod.size, 8),
+ SPA_TYPE_Bytes);
+
+ self->pod = self->builder->builder.data;
+
+ spa_pod_builder_raw (&self->builder->builder, &p, sizeof(p));
+ spa_pod_builder_raw_padded (&self->builder->builder, value, len);
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_pointer:
+ * @type_name: the type name the pointer points to
+ * @value: the pointer value
+ *
+ * Creates a spa pod of type pointer
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_pointer (const char *type_name, gconstpointer value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ guint32 type = 0;
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_BASIC, type_name, &type,
+ NULL, NULL))
+ g_return_val_if_reached (NULL);
+ self->static_pod.pod_pointer = SPA_POD_INIT_Pointer (type, value);
+ self->pod = &self->static_pod.pod_pointer.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_fd:
+ * @value: the Fd value
+ *
+ * Creates a spa pod of type Fd
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_fd (gint64 value)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_fd = SPA_POD_INIT_Fd (value);
+ self->pod = &self->static_pod.pod_fd.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_rectangle:
+ * @width: the width value of the rectangle
+ * @height: the height value of the rectangle
+ *
+ * Creates a spa pod of type rectangle
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_rectangle (guint32 width, guint32 height)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_rectangle =
+ SPA_POD_INIT_Rectangle (SPA_RECTANGLE (width, height));
+ self->pod = &self->static_pod.pod_rectangle.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_fraction:
+ * @num: the numerator value of the fraction
+ * @denom: the denominator value of the fraction
+ *
+ * Creates a spa pod of type fraction
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_fraction (guint32 num, guint32 denom)
+{
+ WpSpaPod *self = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&self->ref);
+ self->type = WP_SPA_POD_REGULAR;
+ self->static_pod.pod_fraction =
+ SPA_POD_INIT_Fraction (SPA_FRACTION (num, denom));
+ self->pod = &self->static_pod.pod_fraction.pod;
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_choice:
+ * @type_name: the type name of the choice type
+ * @...: a list of choice values, followed by %NULL
+ *
+ * Creates a spa pod of type choice
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_choice (const char *type_name, ...)
+{
+ WpSpaPod *self;
+ va_list args;
+
+ va_start (args, type_name);
+ self = wp_spa_pod_new_choice_valist (type_name, args);
+ va_end (args);
+
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_choice_valist:
+ * @type_name: the type name of the choice type
+ * @args: the variable arguments passed to wp_spa_pod_new_choice()
+ *
+ * This is the `va_list` version of wp_spa_pod_new_choice()
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_choice_valist (const char *type_name, va_list args)
+{
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_choice (type_name);
+ wp_spa_pod_builder_add_valist (b, args);
+ return wp_spa_pod_builder_end (b);
+}
+
+/**
+ * wp_spa_pod_new_object:
+ * @type_name: the type name of the object type
+ * @id_name: the id name of the object
+ * @...: a list of object properties with their values, followed by %NULL
+ *
+ * Creates a spa pod of type object
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_object (const char *type_name, const char *id_name, ...)
+{
+ WpSpaPod *self;
+ va_list args;
+
+ va_start (args, id_name);
+ self = wp_spa_pod_new_object_valist (type_name, id_name, args);
+ va_end (args);
+
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_object_valist:
+ * @type_name: the type name of the object type
+ * @id_name: the id name of the object
+ * @args: the variable arguments passed to wp_spa_pod_new_object()
+ *
+ * This is the `va_list` version of wp_spa_pod_new_object()
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_object_valist (const char *type_name, const char *id_name,
+ va_list args)
+{
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_object (type_name,
+ id_name);
+ wp_spa_pod_builder_add_valist (b, args);
+ return wp_spa_pod_builder_end (b);
+}
+
+/**
+ * wp_spa_pod_new_sequence:
+ * @unit: the unit of the sequence
+ * @...: a list of sequence controls with their values, followed by %NULL
+ *
+ * Creates a spa pod of type sequence
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_sequence (guint unit, ...)
+{
+ WpSpaPod *self;
+ va_list args;
+
+ va_start(args, unit);
+ self = wp_spa_pod_new_sequence_valist (unit, args);
+ va_end(args);
+
+ return self;
+}
+
+/**
+ * wp_spa_pod_new_sequence_valist:
+ * @unit: the unit of the sequence
+ * @args: the variable arguments passed to wp_spa_pod_new_sequence()
+ *
+ * This is the `va_list` version of wp_spa_pod_new_sequence()
+ *
+ * Returns: (transfer full): The new spa pod
+ */
+WpSpaPod *
+wp_spa_pod_new_sequence_valist (guint unit, va_list args)
+{
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_sequence (unit);
+ wp_spa_pod_builder_add_valist (b, args);
+ return wp_spa_pod_builder_end (b);
+}
+
+/**
+ * wp_spa_pod_is_none:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type none or not
+ *
+ * Returns: TRUE if it is of type none, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_none (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_none (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_boolean:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type boolean or not
+ *
+ * Returns: TRUE if it is of type boolean, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_boolean (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR &&
+ spa_pod_is_bool (self->pod) ? TRUE : FALSE;
+}
+
+/**
+ * wp_spa_pod_is_id:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type Id or not
+ *
+ * Returns: TRUE if it is of type Id, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_id (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_id (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_int:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type int or not
+ *
+ * Returns: TRUE if it is of type int, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_int (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_int (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_long:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type long or not
+ *
+ * Returns: TRUE if it is of type long, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_long (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_long (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_float:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type float or not
+ *
+ * Returns: TRUE if it is of type float, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_float (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_float (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_double:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type double or not
+ *
+ * Returns: TRUE if it is of type double, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_double (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_double (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_string:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type string or not
+ *
+ * Returns: TRUE if it is of type string, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_string (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_string (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_bytes:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type bytes or not
+ *
+ * Returns: TRUE if it is of type bytes, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_bytes (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_bytes (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_pointer:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type pointer or not
+ *
+ * Returns: TRUE if it is of type pointer, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_pointer (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_pointer (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_fd:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type Fd or not
+ *
+ * Returns: TRUE if it is of type Fd, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_fd (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_fd (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_rectangle:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type rectangle or not
+ *
+ * Returns: TRUE if it is of type rectangle, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_rectangle (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_rectangle (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_fraction:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type fraction or not
+ *
+ * Returns: TRUE if it is of type fraction, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_fraction (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_fraction (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_array:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type array or not
+ *
+ * Returns: TRUE if it is of type array, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_array (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_array (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_choice:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type choice or not
+ *
+ * Returns: TRUE if it is of type choice, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_choice (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_choice (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_object:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type object or not
+ *
+ * Returns: TRUE if it is of type object, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_object (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_object (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_struct:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type struct or not
+ *
+ * Returns: TRUE if it is of type struct, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_struct (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_struct (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_sequence:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type sequence or not
+ *
+ * Returns: TRUE if it is of type sequence, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_sequence (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_REGULAR && spa_pod_is_sequence (self->pod);
+}
+
+/**
+ * wp_spa_pod_is_property:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type property or not
+ *
+ * Returns: TRUE if it is of type property, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_property (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_PROPERTY;
+}
+
+/**
+ * wp_spa_pod_is_control:
+ * @self: the spa pod object
+ *
+ * Checks wether the spa pod is of type control or not
+ *
+ * Returns: TRUE if it is of type control, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_is_control (const WpSpaPod *self)
+{
+ return self->type == WP_SPA_POD_CONTROL;
+}
+
+/**
+ * wp_spa_pod_get_boolean:
+ * @self: the spa pod object
+ * @value: (out): the boolean value
+ *
+ * Gets the boolean value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_boolean (const WpSpaPod *self, gboolean *value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ bool v = FALSE;
+ const int res = spa_pod_get_bool (self->pod, &v);
+ *value = v ? TRUE : FALSE;
+ return res >= 0;
+}
+
+/**
+ * wp_spa_pod_get_id:
+ * @self: the spa pod object
+ * @value: (out): the Id value
+ *
+ * Gets the Id value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_id (const WpSpaPod *self, guint32 *value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ uint32_t v = 0;
+ const int res = spa_pod_get_id (self->pod, &v);
+ *value = v;
+ return res >= 0;
+}
+
+/**
+ * wp_spa_pod_get_int:
+ * @self: the spa pod object
+ * @value: (out): the int value
+ *
+ * Gets the int value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_int (const WpSpaPod *self, gint *value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_get_int (self->pod, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_get_long:
+ * @self: the spa pod object
+ * @value: (out): the long value
+ *
+ * Gets the long value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_long (const WpSpaPod *self, glong *value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_get_long (self->pod, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_get_float:
+ * @self: the spa pod object
+ * @value: (out): the float value
+ *
+ * Gets the float value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_float (const WpSpaPod *self, float *value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_get_float (self->pod, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_get_double:
+ * @self: the spa pod object
+ * @value: (out): the double value
+ *
+ * Gets the double value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_double (const WpSpaPod *self, double *value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_get_double (self->pod, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_get_string:
+ * @self: the spa pod object
+ * @value: (out): the string value
+ *
+ * Gets the string value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_string (const WpSpaPod *self, const char **value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_get_string (self->pod, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_get_bytes:
+ * @self: the spa pod object
+ * @value: (out): the bytes value
+ * @len: (out): the length of the bytes value
+ *
+ * Gets the bytes value and its len of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_bytes (const WpSpaPod *self, gconstpointer *value, guint32 *len)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ g_return_val_if_fail (len, FALSE);
+ return spa_pod_get_bytes (self->pod, value, len) >= 0;
+}
+
+/**
+ * wp_spa_pod_get_pointer:
+ * @self: the spa pod object
+ * @type_name: (out): the type name of the pointer value
+ * @value: (out): the pointer value
+ *
+ * Gets the pointer value and its type name of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_pointer (const WpSpaPod *self, const char **type_name,
+ gconstpointer *value)
+{
+ gboolean res;
+
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (type_name, FALSE);
+ g_return_val_if_fail (value, FALSE);
+
+ guint32 type = 0;
+ res = spa_pod_get_pointer (self->pod, &type, value) >= 0;
+ if (!wp_spa_type_get_by_id (WP_SPA_TYPE_TABLE_BASIC, type, NULL, type_name,
+ NULL))
+ g_return_val_if_reached (FALSE);
+ return res;
+}
+
+/**
+ * wp_spa_pod_get_fd:
+ * @self: the spa pod object
+ * @value: (out): the Fd value
+ *
+ * Gets the Fd value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_fd (const WpSpaPod *self, gint64 *value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_get_fd (self->pod, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_get_rectangle:
+ * @self: the spa pod object
+ * @width: (out): the rectangle's width value
+ * @height: (out): the rectangle's height value
+ *
+ * Gets the rectangle's width and height value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_rectangle (const WpSpaPod *self, guint32 *width, guint32 *height)
+{
+ g_return_val_if_fail (self, FALSE);
+ struct spa_rectangle rectangle = { 0, };
+ const gboolean res = spa_pod_get_rectangle (self->pod, &rectangle) >= 0;
+ if (width)
+ *width = rectangle.width;
+ if (height)
+ *height = rectangle.height;
+ return res;
+}
+
+/**
+ * wp_spa_pod_get_fraction:
+ * @self: the spa pod object
+ * @num: (out): the fractions's numerator value
+ * @denom: (out): the fractions's denominator value
+ *
+ * Gets the fractions's numerator and denominator value of a spa pod object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_fraction (const WpSpaPod *self, guint32 *num, guint32 *denom)
+{
+ g_return_val_if_fail (self, FALSE);
+ struct spa_fraction fraction = { 0, };
+ const gboolean res = spa_pod_get_fraction (self->pod, &fraction) >= 0;
+ if (num)
+ *num = fraction.num;
+ if (denom)
+ *denom = fraction.denom;
+ return res;
+}
+
+/**
+ * wp_spa_pod_set_boolean:
+ * @self: the spa pod object
+ * @value: the boolean value
+ *
+ * Sets a boolean value in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_boolean (WpSpaPod *self, gboolean value)
+{
+ g_return_val_if_fail (wp_spa_pod_is_boolean (self), FALSE);
+ ((struct spa_pod_bool *)self->pod)->value = value ? true : false;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_id:
+ * @self: the spa pod object
+ * @value: the Id value
+ *
+ * Sets an Id value in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_id (WpSpaPod *self, guint32 value)
+{
+ g_return_val_if_fail (wp_spa_pod_is_id (self), FALSE);
+ ((struct spa_pod_id *)self->pod)->value = value;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_int:
+ * @self: the spa pod object
+ * @value: the int value
+ *
+ * Sets an int value in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_int (WpSpaPod *self, gint value)
+{
+ g_return_val_if_fail (wp_spa_pod_is_int (self), FALSE);
+ ((struct spa_pod_int *)self->pod)->value = value;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_long:
+ * @self: the spa pod object
+ * @value: the long value
+ *
+ * Sets a long value in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_long (WpSpaPod *self, glong value)
+{
+ g_return_val_if_fail (wp_spa_pod_is_long (self), FALSE);
+ ((struct spa_pod_long *)self->pod)->value = value;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_float:
+ * @self: the spa pod object
+ * @value: the float value
+ *
+ * Sets a float value in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_float (WpSpaPod *self, float value)
+{
+ g_return_val_if_fail (wp_spa_pod_is_float (self), FALSE);
+ ((struct spa_pod_float *)self->pod)->value = value;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_double:
+ * @self: the spa pod object
+ * @value: the double value
+ *
+ * Sets a double value in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_double (WpSpaPod *self, double value)
+{
+ g_return_val_if_fail (wp_spa_pod_is_double (self), FALSE);
+ ((struct spa_pod_double *)self->pod)->value = value;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_pointer:
+ * @self: the spa pod object
+ * @type_name: the type name the pointer points to
+ * @value: the pointer value
+ *
+ * Sets a pointer value with its type name in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_pointer (WpSpaPod *self, const char *type_name,
+ gconstpointer value)
+{
+ guint32 id = 0;
+
+ g_return_val_if_fail (wp_spa_pod_is_pointer (self), FALSE);
+
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_BASIC, type_name, &id, NULL,
+ NULL))
+ g_return_val_if_reached (FALSE);
+
+ ((struct spa_pod_pointer *)self->pod)->body.type = id;
+ ((struct spa_pod_pointer *)self->pod)->body.value = value;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_fd:
+ * @self: the spa pod object
+ * @value: the Fd value
+ *
+ * Sets a Fd value in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_fd (WpSpaPod *self, gint64 value)
+{
+ g_return_val_if_fail (wp_spa_pod_is_fd (self), FALSE);
+ ((struct spa_pod_fd *)self->pod)->value = value;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_rectangle:
+ * @self: the spa pod object
+ * @width: the width value of the rectangle
+ * @height: the height value of the rectangle
+ *
+ * Sets the width and height values of a rectangle in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_rectangle (WpSpaPod *self, guint32 width, guint32 height)
+{
+ g_return_val_if_fail (wp_spa_pod_is_rectangle (self), FALSE);
+ ((struct spa_pod_rectangle *)self->pod)->value.width = width;
+ ((struct spa_pod_rectangle *)self->pod)->value.height = height;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_fraction:
+ * @self: the spa pod object
+ * @num: the numerator value of the farction
+ * @denom: the denominator value of the fraction
+ *
+ * Sets the numerator and denominator values of a fraction in the spa pod object.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_fraction (WpSpaPod *self, guint32 num, guint32 denom)
+{
+ g_return_val_if_fail (wp_spa_pod_is_fraction (self), FALSE);
+ ((struct spa_pod_fraction *)self->pod)->value.num = num;
+ ((struct spa_pod_fraction *)self->pod)->value.denom = denom;
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_set_pod:
+ * @self: the spa pod object
+ * @pod: the pod with the value to be set
+ *
+ * Sets the value of a spa pod object in the current spa pod object. THe spa pod
+ * objects must be of the same value.
+ *
+ * Returns: TRUE if the value could be set, FALSE othewrise.
+ */
+gboolean
+wp_spa_pod_set_pod (WpSpaPod *self, const WpSpaPod *pod)
+{
+ g_return_val_if_fail (self->type == pod->type, FALSE);
+ g_return_val_if_fail (SPA_POD_TYPE (self->pod) == SPA_POD_TYPE (pod->pod), FALSE);
+
+ switch (SPA_POD_TYPE (self->pod)) {
+ case SPA_TYPE_None:
+ break;
+ case SPA_TYPE_Bool:
+ ((struct spa_pod_bool *)self->pod)->value = ((struct spa_pod_bool *)pod->pod)->value;
+ break;
+ case SPA_TYPE_Id:
+ ((struct spa_pod_id *)self->pod)->value = ((struct spa_pod_id *)pod->pod)->value;
+ break;
+ case SPA_TYPE_Int:
+ ((struct spa_pod_int *)self->pod)->value = ((struct spa_pod_int *)pod->pod)->value;
+ break;
+ case SPA_TYPE_Long:
+ ((struct spa_pod_long *)self->pod)->value = ((struct spa_pod_long *)pod->pod)->value;
+ break;
+ case SPA_TYPE_Float:
+ ((struct spa_pod_float *)self->pod)->value = ((struct spa_pod_float *)pod->pod)->value;
+ break;
+ case SPA_TYPE_Double:
+ ((struct spa_pod_double *)self->pod)->value = ((struct spa_pod_double *)pod->pod)->value;
+ break;
+ case SPA_TYPE_Pointer:
+ ((struct spa_pod_pointer *)self->pod)->body.type = ((struct spa_pod_pointer *)pod->pod)->body.type;
+ ((struct spa_pod_pointer *)self->pod)->body.value = ((struct spa_pod_pointer *)pod->pod)->body.value;
+ break;
+ case SPA_TYPE_Fd:
+ ((struct spa_pod_fd *)self->pod)->value = ((struct spa_pod_fd *)pod->pod)->value;
+ break;
+ case SPA_TYPE_Rectangle:
+ ((struct spa_pod_rectangle *)self->pod)->value.width = ((struct spa_pod_rectangle *)pod->pod)->value.width;
+ ((struct spa_pod_rectangle *)self->pod)->value.height = ((struct spa_pod_rectangle *)pod->pod)->value.height;
+ break;
+ case SPA_TYPE_Fraction:
+ ((struct spa_pod_fraction *)self->pod)->value.num = ((struct spa_pod_fraction *)pod->pod)->value.num;
+ ((struct spa_pod_fraction *)self->pod)->value.denom = ((struct spa_pod_fraction *)pod->pod)->value.denom;
+ break;
+ default:
+ g_return_val_if_fail (self->pod->size >= pod->pod->size, FALSE);
+ memcpy (SPA_MEMBER (self->pod, sizeof (struct spa_pod), void),
+ SPA_MEMBER (pod->pod, sizeof (struct spa_pod), void),
+ SPA_MIN (self->pod->size, pod->pod->size));
+ self->pod->type = pod->pod->type;
+ self->pod->size = pod->pod->size;
+ break;
+ }
+
+ switch (self->type) {
+ case WP_SPA_POD_PROPERTY:
+ self->static_pod.data_property.table = pod->static_pod.data_property.table;
+ self->static_pod.data_property.key = pod->static_pod.data_property.key;
+ self->static_pod.data_property.flags = pod->static_pod.data_property.flags;
+ break;
+ case WP_SPA_POD_CONTROL:
+ self->static_pod.data_control.offset = pod->static_pod.data_control.offset;
+ self->static_pod.data_control.type = pod->static_pod.data_control.type;
+ break;
+ case WP_SPA_POD_REGULAR:
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_get_object:
+ * @self: the spa pod object
+ * @type_name: the type name of the object type
+ * @id_name: (out): the id name of the object
+ * @...: (out): the list of the object properties values, followed by %NULL
+ *
+ * Gets the object properties values of a spa pod object
+ *
+ * Returns: TRUE if the object properties values were obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_object (WpSpaPod *self, const char *type_name,
+ const char **id_name, ...)
+{
+ va_list args;
+ gboolean res;
+ va_start (args, id_name);
+ res = wp_spa_pod_get_object_valist (self, type_name, id_name, args);
+ va_end (args);
+ return res;
+}
+
+/**
+ * wp_spa_pod_get_object_valist:
+ * @self: the spa pod object
+ * @type_name: the type name of the object type
+ * @id_name: (out): the id name of the object
+ * @args: (out): the variable arguments passed to wp_spa_pod_get_object()
+ *
+ * This is the `va_list` version of wp_spa_pod_get_object()
+ *
+ * Returns: TRUE if the object properties values were obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_object_valist (WpSpaPod *self, const char *type_name,
+ const char **id_name, va_list args)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (wp_spa_pod_is_object (self), FALSE);
+ g_autoptr (WpSpaPodParser) p = wp_spa_pod_parser_new_object (self, type_name,
+ id_name);
+ const gboolean res = wp_spa_pod_parser_get_valist (p, args);
+ wp_spa_pod_parser_end (p);
+ return res;
+}
+
+/**
+ * wp_spa_pod_get_struct:
+ * @self: the spa pod object
+ * @...: (out): the list of the struct values, followed by %NULL
+ *
+ * Gets the struct's values of a spa pod object
+ *
+ * Returns: TRUE if the struct values were obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_struct (WpSpaPod *self, ...)
+{
+ va_list args;
+ gboolean res;
+ va_start (args, self);
+ res = wp_spa_pod_get_struct_valist (self, args);
+ va_end (args);
+ return res;
+}
+
+/**
+ * wp_spa_pod_get_struct_valist:
+ * @self: the spa pod object
+ * @args: (out): the variable arguments passed to wp_spa_pod_get_struct()
+ *
+ * This is the `va_list` version of wp_spa_pod_get_struct()
+ *
+ * Returns: TRUE if the struct values were obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_struct_valist (WpSpaPod *self, va_list args)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (wp_spa_pod_is_struct (self), FALSE);
+ g_autoptr (WpSpaPodParser) p = wp_spa_pod_parser_new_struct (self);
+ const gboolean res = wp_spa_pod_parser_get_valist (p, args);
+ wp_spa_pod_parser_end (p);
+ return res;
+}
+
+/**
+ * wp_spa_pod_get_property:
+ * @self: the spa pod object
+ * @key: (out) (optional): the name of the property
+ * @value: (out) (optional): the spa pod value of the property
+ *
+ * Gets the name, flags and spa pod value of a spa pod property
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_property (const WpSpaPod *self, const char **key,
+ WpSpaPod **value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (wp_spa_pod_is_property (self), FALSE);
+
+ if (key && !wp_spa_type_get_by_id (self->static_pod.data_property.table,
+ self->static_pod.data_property.key, NULL, key, NULL))
+ return FALSE;
+ if (value)
+ *value = wp_spa_pod_new_regular_wrap (self->pod);
+
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_get_control:
+ * @self: the spa pod object
+ * @offset: (out) (optional): the offset of the control
+ * @type_name: (out) (optional): the type name of the control
+ * @value: (out) (optional): the spa pod value of the control
+ *
+ * Gets the offset, type name and spa pod value of a spa pod control
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_get_control (const WpSpaPod *self, guint32 *offset,
+ const char **type_name, WpSpaPod **value)
+{
+ g_return_val_if_fail (self, FALSE);
+ g_return_val_if_fail (wp_spa_pod_is_control (self), FALSE);
+
+ if (offset)
+ *offset = self->static_pod.data_control.offset;
+ if (type_name && !wp_spa_type_get_by_id (WP_SPA_TYPE_TABLE_CONTROL,
+ self->static_pod.data_control.type, NULL, type_name, NULL))
+ g_return_val_if_reached (FALSE);
+ if (value)
+ *value = wp_spa_pod_new_regular_wrap (self->pod);
+
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_get_choice_child:
+ * @self: a spa pod choice object
+ *
+ * Gets the child of a spa pod choice object
+ *
+ * Returns: (transfer full): the child of the spa pod choice object
+ */
+WpSpaPod *
+wp_spa_pod_get_choice_child (WpSpaPod *self)
+{
+ g_return_val_if_fail (wp_spa_pod_is_choice (self), NULL);
+ return wp_spa_pod_new_regular_wrap (SPA_POD_CHOICE_CHILD (self->pod));
+}
+
+/**
+ * wp_spa_pod_get_array_child:
+ * @self: a spa pod choice object
+ *
+ * Gets the child of a spa pod array object
+ *
+ * Returns: (transfer full): the child of the spa pod array object
+ */
+WpSpaPod *
+wp_spa_pod_get_array_child (WpSpaPod *self)
+{
+ g_return_val_if_fail (wp_spa_pod_is_array (self), NULL);
+ return wp_spa_pod_new_regular_wrap (SPA_POD_ARRAY_CHILD (self->pod));
+}
+
+/**
+ * wp_spa_pod_builder_ref:
+ * @self: a spa pod builder object
+ *
+ * Returns: (transfer full): @self with an additional reference count on it
+ */
+WpSpaPodBuilder *
+wp_spa_pod_builder_ref (WpSpaPodBuilder *self)
+{
+ return (WpSpaPodBuilder *) g_rc_box_acquire ((gpointer) self);
+}
+
+static void
+wp_spa_pod_builder_free (WpSpaPodBuilder *self)
+{
+ g_clear_pointer (&self->buf, g_free);
+}
+
+/**
+ * wp_spa_pod_builder_unref:
+ * @self: (transfer full): a spa pod builder object
+ *
+ * Decreases the reference count on @self and frees it when the ref count
+ * reaches zero.
+ */
+void
+wp_spa_pod_builder_unref (WpSpaPodBuilder *self)
+{
+ g_rc_box_release_full (self, (GDestroyNotify) wp_spa_pod_builder_free);
+}
+
+/**
+ * wp_spa_pod_builder_new_array:
+ *
+ * Creates a spa pod builder of type array
+ *
+ * Returns: (transfer full): the new spa pod builder
+ */
+WpSpaPodBuilder *
+wp_spa_pod_builder_new_array (void)
+{
+ WpSpaPodBuilder *self = wp_spa_pod_builder_new (
+ WP_SPA_POD_BUILDER_REALLOC_STEP_SIZE, SPA_TYPE_Array);
+ spa_pod_builder_push_array (&self->builder, &self->frame);
+ return self;
+}
+
+/**
+ * wp_spa_pod_builder_new_choice:
+ * @type_name: the type name of the choice type
+ *
+ * Creates a spa pod builder of type choice
+ *
+ * Returns: (transfer full): the new spa pod builder
+ */
+WpSpaPodBuilder *
+wp_spa_pod_builder_new_choice (const char *type_name)
+{
+ WpSpaPodBuilder *self = NULL;
+ guint32 type = 0;
+
+ /* Construct the builder */
+ self = wp_spa_pod_builder_new (WP_SPA_POD_BUILDER_REALLOC_STEP_SIZE,
+ SPA_TYPE_Choice);
+
+ /* Find the choice type */
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_CHOICE, type_name, &type,
+ NULL, NULL))
+ g_return_val_if_reached (NULL);
+
+ /* Push the array */
+ spa_pod_builder_push_choice (&self->builder, &self->frame, type,
+ WP_SPA_TYPE_TABLE_CHOICE);
+
+ return self;
+}
+
+/**
+ * wp_spa_pod_builder_new_object:
+ * @type_name: the type name of the object type
+ * @id_name: the Id name of the object
+ *
+ * Creates a spa pod builder of type object
+ *
+ * Returns: (transfer full): the new spa pod builder
+ */
+WpSpaPodBuilder *
+wp_spa_pod_builder_new_object (const char *type_name, const char *id_name)
+{
+ WpSpaPodBuilder *self = NULL;
+ guint32 type = 0;
+ guint32 id = 0;
+
+ /* Construct the builder */
+ self = wp_spa_pod_builder_new (WP_SPA_POD_BUILDER_REALLOC_STEP_SIZE,
+ SPA_TYPE_Object);
+
+ /* Find the type */
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_BASIC, type_name, &type,
+ NULL, &self->prop_table))
+ g_return_val_if_reached (NULL);
+
+ /* Find the id */
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_PARAM, id_name, &id, NULL,
+ NULL))
+ g_return_val_if_reached (NULL);
+
+ /* Push the object */
+ spa_pod_builder_push_object (&self->builder, &self->frame, type, id);
+
+ return self;
+}
+
+/**
+ * wp_spa_pod_builder_new_struct:
+ *
+ * Creates a spa pod builder of type struct
+ *
+ * Returns: (transfer full): the new spa pod builder
+ */
+WpSpaPodBuilder *
+wp_spa_pod_builder_new_struct (void)
+{
+ WpSpaPodBuilder *self = NULL;
+ self = wp_spa_pod_builder_new (WP_SPA_POD_BUILDER_REALLOC_STEP_SIZE,
+ SPA_TYPE_Struct);
+ spa_pod_builder_push_struct (&self->builder, &self->frame);
+ return self;
+}
+
+/**
+ * wp_spa_pod_builder_new_sequence:
+ *
+ * Creates a spa pod builder of type sequence
+ *
+ * Returns: (transfer full): the new spa pod builder
+ */
+WpSpaPodBuilder *
+wp_spa_pod_builder_new_sequence (guint unit)
+{
+ WpSpaPodBuilder *self = NULL;
+ self = wp_spa_pod_builder_new (WP_SPA_POD_BUILDER_REALLOC_STEP_SIZE,
+ SPA_TYPE_Sequence);
+ spa_pod_builder_push_sequence (&self->builder, &self->frame, unit);
+ return self;
+}
+
+/**
+ * wp_spa_pod_builder_add_none:
+ * @self: the spa pod builder object
+ *
+ * Adds a none value into the builder
+ */
+void
+wp_spa_pod_builder_add_none (WpSpaPodBuilder *self)
+{
+ spa_pod_builder_none (&self->builder);
+}
+
+/**
+ * wp_spa_pod_builder_add_boolean:
+ * @self: the spa pod builder object
+ * @value: the boolean value
+ *
+ * Adds a boolean value into the builder
+ */
+void
+wp_spa_pod_builder_add_boolean (WpSpaPodBuilder *self, gboolean value)
+{
+ spa_pod_builder_bool (&self->builder, value ? true : false);
+}
+
+/**
+ * wp_spa_pod_builder_add_id:
+ * @self: the spa pod builder object
+ * @value: the Id value
+ *
+ * Adds a Id value into the builder
+ */
+void
+wp_spa_pod_builder_add_id (WpSpaPodBuilder *self, guint32 value)
+{
+ spa_pod_builder_id (&self->builder, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_int:
+ * @self: the spa pod builder object
+ * @value: the int value
+ *
+ * Adds a int value into the builder
+ */
+void
+wp_spa_pod_builder_add_int (WpSpaPodBuilder *self, gint value)
+{
+ spa_pod_builder_int (&self->builder, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_long:
+ * @self: the spa pod builder object
+ * @value: the long value
+ *
+ * Adds a long value into the builder
+ */
+void
+wp_spa_pod_builder_add_long (WpSpaPodBuilder *self, glong value)
+{
+ spa_pod_builder_long (&self->builder, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_float:
+ * @self: the spa pod builder object
+ * @value: the float value
+ *
+ * Adds a float value into the builder
+ */
+void
+wp_spa_pod_builder_add_float (WpSpaPodBuilder *self, float value)
+{
+ spa_pod_builder_float (&self->builder, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_double:
+ * @self: the spa pod builder object
+ * @value: the double value
+ *
+ * Adds a double value into the builder
+ */
+void
+wp_spa_pod_builder_add_double (WpSpaPodBuilder *self, double value)
+{
+ spa_pod_builder_double (&self->builder, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_string:
+ * @self: the spa pod builder object
+ * @value: the string value
+ *
+ * Adds a string value into the builder
+ */
+void
+wp_spa_pod_builder_add_string (WpSpaPodBuilder *self, const char *value)
+{
+ spa_pod_builder_string (&self->builder, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_bytes:
+ * @self: the spa pod builder object
+ * @value: the bytes value
+ * @len: the length of the bytes value
+ *
+ * Adds a bytes value with its length into the builder
+ */
+void
+wp_spa_pod_builder_add_bytes (WpSpaPodBuilder *self, gconstpointer value,
+ guint32 len)
+{
+ spa_pod_builder_bytes (&self->builder, value, len);
+}
+
+/**
+ * wp_spa_pod_builder_add_pointer:
+ * @self: the spa pod builder object
+ * @type_name: the type name that the pointer points to
+ * @value: the pointer vaue
+ *
+ * Adds a pointer value with its type name into the builder
+ */
+void
+wp_spa_pod_builder_add_pointer (WpSpaPodBuilder *self, const char *type_name,
+ gconstpointer value)
+{
+ guint32 type = 0;
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_BASIC, type_name, &type,
+ NULL, NULL))
+ g_return_if_reached ();
+ spa_pod_builder_pointer (&self->builder, type, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_fd:
+ * @self: the spa pod builder object
+ * @value: the Fd value
+ *
+ * Adds a Fd value into the builder
+ */
+void
+wp_spa_pod_builder_add_fd (WpSpaPodBuilder *self, gint64 value)
+{
+ spa_pod_builder_fd (&self->builder, value);
+}
+
+/**
+ * wp_spa_pod_builder_add_rectangle:
+ * @self: the spa pod builder object
+ * @width: the width value of the rectangle
+ * @height: the height value of the rectangle
+ *
+ * Adds the width and height values of a rectangle into the builder
+ */
+void
+wp_spa_pod_builder_add_rectangle (WpSpaPodBuilder *self, guint32 width,
+ guint32 height)
+{
+ spa_pod_builder_rectangle (&self->builder, width, height);
+}
+
+/**
+ * wp_spa_pod_builder_add_fraction:
+ * @self: the spa pod builder object
+ * @num: the numerator value of the fraction
+ * @denom: the denominator value of the fraction
+ *
+ * Adds the numerator and denominator values of a fraction into the builder
+ */
+void
+wp_spa_pod_builder_add_fraction (WpSpaPodBuilder *self, guint32 num,
+ guint32 denom)
+{
+ spa_pod_builder_fraction (&self->builder, num, denom);
+}
+
+/**
+ * wp_spa_pod_builder_add_pod:
+ * @self: the spa pod builder object
+ * @pod: the pod value
+ *
+ * Adds a pod value into the builder
+ */
+void
+wp_spa_pod_builder_add_pod (WpSpaPodBuilder *self, const WpSpaPod *pod)
+{
+ spa_pod_builder_primitive (&self->builder, pod->pod);
+}
+
+/**
+ * wp_spa_pod_builder_add_property:
+ * @self: the spa pod builder object
+ * @key: the name of the property
+ *
+ * Adds a property into the builder
+ */
+void
+wp_spa_pod_builder_add_property (WpSpaPodBuilder *self, const char *key)
+{
+ guint32 id = 0;
+ if (!wp_spa_type_get_by_nick (self->prop_table, key, &id, NULL, NULL))
+ g_return_if_reached ();
+ spa_pod_builder_prop (&self->builder, id, 0);
+}
+
+/**
+ * wp_spa_pod_builder_add_control:
+ * @self: the spa pod builder object
+ * @offset: the offset of the control
+ * @type_name: the type name of the control
+ *
+ * Adds a control into the builder
+ */
+void
+wp_spa_pod_builder_add_control (WpSpaPodBuilder *self, guint32 offset,
+ const char *type_name)
+{
+ guint type = 0;
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_CONTROL, type_name, &type,
+ NULL, NULL))
+ g_return_if_reached ();
+ spa_pod_builder_control (&self->builder, offset, type);
+}
+
+/**
+ * wp_spa_pod_builder_add:
+ * @self: the spa pod builder object
+ * @...: a list of additional values, followed by %NULL
+ *
+ * Adds a list of values into the builder
+ */
+void
+wp_spa_pod_builder_add (WpSpaPodBuilder *self, ...)
+{
+ va_list args;
+ va_start (args, self);
+ wp_spa_pod_builder_add_valist (self, args);
+ va_end (args);
+}
+
+/**
+ * wp_spa_pod_builder_add_valist:
+ * @self: the spa pod builder object
+ * @args: the variable arguments passed to wp_spa_pod_builder_add()
+ *
+ * Adds a list of values into the builder
+ */
+void
+wp_spa_pod_builder_add_valist (WpSpaPodBuilder *self, va_list args)
+{
+ do {
+ const char *format;
+ int n_values = 1;
+ struct spa_pod_frame f;
+ gboolean choice;
+
+ switch (self->type) {
+ case SPA_TYPE_Object:
+ {
+ guint32 key = 0;
+ const char *key_name = va_arg(args, const char *);
+ if (!key_name)
+ return;
+ if (!wp_spa_type_get_by_nick (self->prop_table, key_name, &key, NULL,
+ NULL))
+ g_return_if_reached ();
+ if (key == 0)
+ return;
+
+ spa_pod_builder_prop (&self->builder, key, 0);
+ break;
+ }
+ case SPA_TYPE_Sequence:
+ {
+ guint32 offset = va_arg(args, uint32_t);
+ guint32 type = 0;
+ if (offset == 0)
+ return;
+ const char *control_name = va_arg(args, const char *);
+ if (!control_name)
+ return;
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_CONTROL, control_name,
+ &type, NULL, NULL))
+ g_return_if_reached ();
+ if (type == 0)
+ return;
+
+ spa_pod_builder_control (&self->builder, offset, type);
+ }
+ default:
+ break;
+ }
+
+ if ((format = va_arg(args, const char *)) == NULL)
+ break;
+
+ choice = *format == '?';
+ if (choice) {
+ uint32_t type = spa_choice_from_id (*++format);
+ if (*format != '\0')
+ format++;
+ spa_pod_builder_push_choice (&self->builder, &f, type, 0);
+ n_values = va_arg(args, int);
+ }
+ while (n_values-- > 0) {
+ switch (*format) {
+ case 'P': /* Pod */
+ case 'V': /* Choice */
+ case 'O': /* Object */
+ case 'T': /* Struct */
+ spa_pod_builder_primitive (&self->builder, va_arg(args, WpSpaPod *)->pod);
+ break;
+ default:
+ SPA_POD_BUILDER_COLLECT(&self->builder, *format, args);
+ break;
+ }
+ }
+
+ if (choice)
+ spa_pod_builder_pop (&self->builder, &f);
+
+ } while (TRUE);
+}
+
+/**
+ * wp_spa_pod_builder_end:
+ * @self: the spa pod builder object
+ *
+ * Ends the builder process and returns the constructed spa pod object
+ *
+ * Returns: (transfer full): the constructed spa pod object
+ */
+WpSpaPod *
+wp_spa_pod_builder_end (WpSpaPodBuilder *self)
+{
+ WpSpaPod *ret = NULL;
+
+ /* Construct the pod */
+ ret = g_slice_new0 (WpSpaPod);
+ g_ref_count_init (&ret->ref);
+ ret->type = WP_SPA_POD_REGULAR;
+ ret->pod = spa_pod_builder_pop (&self->builder, &self->frame);
+ ret->builder = wp_spa_pod_builder_ref (self);
+
+ /* Also copy the property table if it is an object type */
+ if (ret->builder->type == SPA_TYPE_Object)
+ ret->static_pod.data_property.table = ret->builder->prop_table;
+
+ return ret;
+}
+
+/**
+ * wp_spa_pod_parser_ref:
+ * @self: a spa pod sparser object
+ *
+ * Returns: (transfer full): @self with an additional reference count on it
+ */
+WpSpaPodParser *
+wp_spa_pod_parser_ref (WpSpaPodParser *self)
+{
+ return (WpSpaPodParser *) g_rc_box_acquire ((gpointer) self);
+}
+
+static void
+wp_spa_pod_parser_free (WpSpaPodParser *self)
+{
+ g_clear_pointer (&self->pod, wp_spa_pod_unref);
+}
+
+/**
+ * wp_spa_pod_parser_unref:
+ * @self: (transfer full): a spa pod parser object
+ *
+ * Decreases the reference count on @self and frees it when the ref count
+ * reaches zero.
+ */
+void
+wp_spa_pod_parser_unref (WpSpaPodParser *self)
+{
+ g_rc_box_release_full (self, (GDestroyNotify) wp_spa_pod_parser_free);
+}
+
+static WpSpaPodParser *
+wp_spa_pod_parser_new (WpSpaPod *pod, guint32 type)
+{
+ WpSpaPodParser *self = g_rc_box_new0 (WpSpaPodParser);
+ self->type = type;
+ self->pod = wp_spa_pod_ref (pod);
+ spa_pod_parser_pod (&self->parser, self->pod->pod);
+ return self;
+}
+
+/**
+ * wp_spa_pod_parser_new:
+ * @pod: the object spa pod to parse
+ * @type_name: the type name of the object type
+ * @id_name: the Id name of the object
+ *
+ * Creates an object spa pod parser
+ *
+ * Returns: (transfer full): The new spa pod parser
+ */
+WpSpaPodParser *
+wp_spa_pod_parser_new_object (WpSpaPod *pod, const char *type_name,
+ const char **id_name)
+{
+ WpSpaPodParser *self = NULL;
+ guint32 type = 0;
+ guint32 id = 0;
+
+ g_return_val_if_fail (wp_spa_pod_is_object (pod), NULL);
+
+ self = wp_spa_pod_parser_new (pod, SPA_TYPE_Object);
+ if (!wp_spa_type_get_by_nick (WP_SPA_TYPE_TABLE_BASIC, type_name, &type,
+ NULL, &self->prop_table))
+ g_return_val_if_reached (NULL);
+ spa_pod_parser_push_object (&self->parser, &self->frame, type, &id);
+ if (!wp_spa_type_get_by_id (WP_SPA_TYPE_TABLE_PARAM, id, NULL, id_name, NULL))
+ g_return_val_if_reached (NULL);
+ return self;
+}
+
+/**
+ * wp_spa_pod_parser_new_struct:
+ * @pod: the struct spa pod to parse
+ *
+ * Creates an struct spa pod parser
+ *
+ * Returns: (transfer full): The new spa pod parser
+ */
+WpSpaPodParser *
+wp_spa_pod_parser_new_struct (WpSpaPod *pod)
+{
+ WpSpaPodParser *self = NULL;
+
+ g_return_val_if_fail (wp_spa_pod_is_struct (pod), NULL);
+
+ self = wp_spa_pod_parser_new (pod, SPA_TYPE_Struct);
+ spa_pod_parser_push_struct (&self->parser, &self->frame);
+ return self;
+}
+
+/**
+ * wp_spa_pod_parser_get_boolean:
+ * @self: the spa pod parser object
+ * @value: (out): the boolean value
+ *
+ * Gets the boolean value from a spa pod parser
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_boolean (WpSpaPodParser *self, gboolean *value)
+{
+ g_return_val_if_fail (value, FALSE);
+ bool v = FALSE;
+ gboolean res = spa_pod_parser_get_bool (&self->parser, &v) >= 0;
+ *value = v ? TRUE : FALSE;
+ return res;
+}
+
+/**
+ * wp_spa_pod_parser_get_id:
+ * @self: the spa pod parser object
+ * @value: (out): the Id value
+ *
+ * Gets the Id value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_id (WpSpaPodParser *self, guint32 *value)
+{
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_parser_get_id (&self->parser, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_int:
+ * @self: the spa pod parser object
+ * @value: (out): the int value
+ *
+ * Gets the int value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_int (WpSpaPodParser *self, gint *value)
+{
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_parser_get_int (&self->parser, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_long:
+ * @self: the spa pod parser object
+ * @value: (out): the long value
+ *
+ * Gets the long value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_long (WpSpaPodParser *self, glong *value)
+{
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_parser_get_long (&self->parser, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_float:
+ * @self: the spa pod parser object
+ * @value: (out): the float value
+ *
+ * Gets the float value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_float (WpSpaPodParser *self, float *value)
+{
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_parser_get_float (&self->parser, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_double:
+ * @self: the spa pod parser object
+ * @value: (out): the double value
+ *
+ * Gets the double value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_double (WpSpaPodParser *self, double *value)
+{
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_parser_get_double (&self->parser, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_string:
+ * @self: the spa pod parser object
+ * @value: (out): the string value
+ *
+ * Gets the string value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_string (WpSpaPodParser *self, const char **value)
+{
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_parser_get_string (&self->parser, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_bytes:
+ * @self: the spa pod parser object
+ * @value: (out): the bytes value
+ * @len: (out): the length of the bytes value
+ *
+ * Gets the bytes value and its length from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_bytes (WpSpaPodParser *self, gconstpointer *value,
+ guint32 *len)
+{
+ return spa_pod_parser_get_bytes (&self->parser, value, len) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_pointer:
+ * @self: the spa pod parser object
+ * @type_name: (out): the type name of the pointer value
+ * @value: (out): the pointer value
+ *
+ * Gets the pointer value and its type name from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_pointer (WpSpaPodParser *self, const char **type_name,
+ gconstpointer *value)
+{
+ guint32 type = 0;
+ gboolean res;
+
+ g_return_val_if_fail (value, FALSE);
+
+ res = spa_pod_parser_get_pointer (&self->parser, &type, value) >= 0;
+
+ if (!wp_spa_type_get_by_id (WP_SPA_TYPE_TABLE_BASIC, type, NULL, type_name,
+ NULL))
+ g_return_val_if_reached (FALSE);
+ return res;
+}
+
+/**
+ * wp_spa_pod_parser_get_fd:
+ * @self: the spa pod parser object
+ * @value: (out): the Fd value
+ *
+ * Gets the Fd value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_fd (WpSpaPodParser *self, gint64 *value)
+{
+ g_return_val_if_fail (value, FALSE);
+ return spa_pod_parser_get_fd (&self->parser, value) >= 0;
+}
+
+/**
+ * wp_spa_pod_parser_get_rectangle:
+ * @self: the spa pod parser object
+ * @width: (out): the rectangle's width value
+ * @height: (out): the rectangle's height value
+ *
+ * Gets the rectangle's width and height value from a spa pod parser object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_rectangle (WpSpaPodParser *self, guint32 *width,
+ guint32 *height)
+{
+ struct spa_rectangle r = { 0, };
+ gboolean res = spa_pod_parser_get_rectangle (&self->parser, &r) >= 0;
+ if (width)
+ *width = r.width;
+ if (height)
+ *height = r.height;
+ return res;
+}
+
+/**
+ * wp_spa_pod_parser_get_fraction:
+ * @self: the spa pod parser object
+ * @num: (out): the fractions's numerator value
+ * @denom: (out): the fractions's denominator value
+ *
+ * Gets the fractions's numerator and denominator value from a spa pod parser
+ * object
+ *
+ * Returns: TRUE if the value was obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_fraction (WpSpaPodParser *self, guint32 *num,
+ guint32 *denom)
+{
+ struct spa_fraction f = { 0, };
+ gboolean res = spa_pod_parser_get_fraction (&self->parser, &f) >= 0;
+ if (num)
+ *num = f.num;
+ if (denom)
+ *denom = f.denom;
+ return res;
+}
+
+/**
+ * wp_spa_pod_parser_get_pod:
+ * @self: the spa pod parser object
+ *
+ * Gets the spa pod value from a spa pod parser object
+ *
+ * Returns: (transfer full): The spa pod value or NULL if it could not be
+ * obtained
+ */
+WpSpaPod *
+wp_spa_pod_parser_get_pod (WpSpaPodParser *self)
+{
+ struct spa_pod *p = NULL;
+ gboolean res = spa_pod_parser_get_pod (&self->parser, &p) >= 0;
+ if (!res || !p)
+ return NULL;
+
+ return wp_spa_pod_new_regular_wrap (p);
+}
+
+/**
+ * wp_spa_pod_parser_get:
+ * @self: the spa pod parser object
+ * @...: (out): a list of values to get, followed by %NULL
+ *
+ * Gets a list of values from a spa pod parser object
+ *
+ * Returns: TRUE if the values were obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get (WpSpaPodParser *self, ...)
+{
+ gboolean res;
+ va_list args;
+
+ va_start (args, self);
+ res = wp_spa_pod_parser_get_valist (self, args);
+ va_end (args);
+
+ return res;
+}
+
+/**
+ * wp_spa_pod_parser_get_valist:
+ * @self: the spa pod parser object
+ * @args: the variable arguments passed to wp_spa_pod_parser_get()
+ *
+ * This is the `va_list` version of wp_spa_pod_parser_get()
+ *
+ * Returns: TRUE if the values were obtained, FALSE otherwise
+ */
+gboolean
+wp_spa_pod_parser_get_valist (WpSpaPodParser *self, va_list args)
+{
+ const struct spa_pod_prop *prop = NULL;
+
+ do {
+ bool optional;
+ const struct spa_pod *pod = NULL;
+ const char *format;
+
+ if (self->type == SPA_TYPE_Object) {
+ guint32 key = 0;
+ const struct spa_pod_object *object;
+ const char *key_name = va_arg(args, const char *);
+ if (!key_name)
+ break;
+ if (!wp_spa_type_get_by_nick (self->prop_table, key_name, &key, NULL, NULL))
+ g_return_val_if_reached (FALSE);
+ if (key == 0)
+ break;
+
+ object = (const struct spa_pod_object *)spa_pod_parser_frame (
+ &self->parser, &self->frame);
+ prop = spa_pod_object_find_prop (object, prop, key);
+ pod = prop ? &prop->value : NULL;
+ }
+
+ if ((format = va_arg(args, char *)) == NULL)
+ break;
+
+ if (self->type == SPA_TYPE_Struct)
+ pod = spa_pod_parser_next (&self->parser);
+
+ if ((optional = (*format == '?')))
+ format++;
+
+ if (!spa_pod_parser_can_collect (pod, *format)) {
+ if (!optional)
+ return FALSE;
+
+ SPA_POD_PARSER_SKIP (*format, args);
+ } else {
+ if (pod->type == SPA_TYPE_Choice && *format != 'V' &&
+ SPA_POD_CHOICE_TYPE(pod) == SPA_CHOICE_None)
+ pod = SPA_POD_CHOICE_CHILD(pod);
+
+ switch (*format) {
+ case 'P': /* Pod */
+ case 'V': /* Choice */
+ case 'O': /* Object */
+ case 'T': /* Struct */
+ *va_arg(args, WpSpaPod**) = wp_spa_pod_new_regular_wrap_copy (pod);
+ break;
+ default:
+ SPA_POD_PARSER_COLLECT (pod, *format, args);
+ break;
+ }
+ }
+ } while (TRUE);
+
+ return TRUE;
+}
+
+/**
+ * wp_spa_pod_parser_end:
+ * @self: the spa pod parser object
+ *
+ * Ends the parser process
+ */
+void
+wp_spa_pod_parser_end (WpSpaPodParser *self)
+{
+ spa_pod_parser_pop (&self->parser, &self->frame);
+}
+
+
+struct _WpSpaPodIterator
+{
+ WpSpaPod *pod;
+ union {
+ gpointer value; /* Array and Choice */
+ struct spa_pod *pod; /* Struct */
+ struct spa_pod_prop *prop; /* Object */
+ struct spa_pod_control *control; /* Sequence */
+ } curr;
+};
+typedef struct _WpSpaPodIterator WpSpaPodIterator;
+
+static gboolean
+wp_spa_pod_iterator_next_choice (WpSpaPodIterator *self, GValue *item)
+{
+ struct spa_pod_choice *pod_choice = (struct spa_pod_choice *) self->pod->pod;
+
+ if (!self->curr.value)
+ self->curr.value = SPA_MEMBER (&pod_choice->body, sizeof(struct spa_pod_choice_body), void);
+ else
+ self->curr.value = SPA_MEMBER (self->curr.value, pod_choice->body.child.size, void);
+
+ if (self->curr.value >= SPA_MEMBER(&pod_choice->body, SPA_POD_BODY_SIZE (pod_choice), void))
+ return FALSE;
+
+ if (item) {
+ g_value_init (item, G_TYPE_POINTER);
+ g_value_set_pointer (item, self->curr.value);
+ }
+ return TRUE;
+}
+
+static gboolean
+wp_spa_pod_iterator_next_array (WpSpaPodIterator *self, GValue *item)
+{
+ struct spa_pod_array *pod_arr = (struct spa_pod_array *) self->pod->pod;
+
+ if (!self->curr.value)
+ self->curr.value = SPA_MEMBER (&pod_arr->body, sizeof(struct spa_pod_array_body), void);
+ else
+ self->curr.value = SPA_MEMBER (self->curr.value, pod_arr->body.child.size, void);
+
+ if (self->curr.value >= SPA_MEMBER(&pod_arr->body, SPA_POD_BODY_SIZE (pod_arr), void))
+ return FALSE;
+
+ if (item) {
+ g_value_init (item, G_TYPE_POINTER);
+ g_value_set_pointer (item, self->curr.value);
+ }
+ return TRUE;
+}
+
+static gboolean
+wp_spa_pod_iterator_next_object (WpSpaPodIterator *self, GValue *item)
+{
+ struct spa_pod_object *pod_obj = (struct spa_pod_object *) self->pod->pod;
+ g_autoptr (WpSpaPod) pod = NULL;
+
+ if (!self->curr.prop)
+ self->curr.prop = spa_pod_prop_first (&pod_obj->body);
+ else
+ self->curr.prop = spa_pod_prop_next (self->curr.prop);
+
+ if (!spa_pod_prop_is_inside (&pod_obj->body, SPA_POD_BODY_SIZE (pod_obj),
+ self->curr.prop))
+ return FALSE;
+
+ if (item) {
+ g_value_init (item, WP_TYPE_SPA_POD);
+ g_value_take_boxed (item, wp_spa_pod_new_property_wrap (
+ self->pod->static_pod.data_property.table, self->curr.prop->key,
+ self->curr.prop->flags, &self->curr.prop->value));
+ }
+ return TRUE;
+}
+
+static gboolean
+wp_spa_pod_iterator_next_struct (WpSpaPodIterator *self, GValue *item)
+{
+ if (!self->curr.pod)
+ self->curr.pod = SPA_POD_BODY (self->pod->pod);
+ else
+ self->curr.pod = spa_pod_next (self->curr.pod);
+
+ if (!spa_pod_is_inside (SPA_POD_BODY (self->pod->pod),
+ SPA_POD_BODY_SIZE (self->pod->pod), self->curr.pod))
+ return FALSE;
+
+ if (item) {
+ g_value_init (item, WP_TYPE_SPA_POD);
+ g_value_take_boxed (item, wp_spa_pod_new_regular_wrap (self->curr.pod));
+ }
+ return TRUE;
+}
+
+static gboolean
+wp_spa_pod_iterator_next_sequence (WpSpaPodIterator *self, GValue *item)
+{
+ struct spa_pod_sequence *pod_seq = (struct spa_pod_sequence *) self->pod->pod;
+ g_autoptr (WpSpaPod) pod = NULL;
+
+ if (!self->curr.control)
+ self->curr.control = spa_pod_control_first (&pod_seq->body);
+ else
+ self->curr.control = spa_pod_control_next (self->curr.control);
+
+ if (!spa_pod_control_is_inside (&pod_seq->body, SPA_POD_BODY_SIZE (pod_seq),
+ self->curr.control))
+ return FALSE;
+
+ if (item) {
+ g_value_init (item, WP_TYPE_SPA_POD);
+ g_value_take_boxed (item, wp_spa_pod_new_control_wrap (
+ self->curr.control->offset, self->curr.control->type,
+ &self->curr.control->value));
+ }
+ return TRUE;
+}
+
+
+static void
+wp_spa_pod_iterator_reset (WpIterator *iterator)
+{
+ WpSpaPodIterator *self = wp_iterator_get_user_data (iterator);
+ self->curr.value = NULL;
+ self->curr.pod = NULL;
+ self->curr.prop = NULL;
+ self->curr.control = NULL;
+}
+
+static gboolean
+wp_spa_pod_iterator_next (WpIterator *iterator, GValue *item)
+{
+ WpSpaPodIterator *self = wp_iterator_get_user_data (iterator);
+
+ switch (self->pod->pod->type) {
+ case SPA_TYPE_Choice:
+ return wp_spa_pod_iterator_next_choice (self, item);
+ case SPA_TYPE_Array:
+ return wp_spa_pod_iterator_next_array (self, item);
+ case SPA_TYPE_Object:
+ return wp_spa_pod_iterator_next_object (self, item);
+ case SPA_TYPE_Struct:
+ return wp_spa_pod_iterator_next_struct (self, item);
+ case SPA_TYPE_Sequence:
+ return wp_spa_pod_iterator_next_sequence (self, item);
+ default:
+ break;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+wp_spa_pod_iterator_fold (WpIterator *iterator, WpIteratorFoldFunc func,
+ GValue *ret, gpointer data)
+{
+ WpSpaPodIterator *self = wp_iterator_get_user_data (iterator);
+
+ wp_iterator_reset (iterator);
+
+ switch (self->pod->pod->type) {
+ case SPA_TYPE_Choice:
+ {
+ struct spa_pod_choice *pod_choice = (struct spa_pod_choice *) self->pod->pod;
+ gpointer p = NULL;
+ SPA_POD_CHOICE_FOREACH (pod_choice, p) {
+ GValue v = G_VALUE_INIT;
+ g_value_init (&v, G_TYPE_POINTER);
+ g_value_set_pointer (&v, p);
+ const gboolean res = func (&v, ret, data);
+ g_value_unset (&v);
+ if (!res)
+ return FALSE;
+ }
+ break;
+ }
+ case SPA_TYPE_Array:
+ {
+ struct spa_pod_array *pod_arr = (struct spa_pod_array *) self->pod->pod;
+ gpointer p = NULL;
+ SPA_POD_ARRAY_FOREACH (pod_arr, p) {
+ GValue v = G_VALUE_INIT;
+ g_value_init (&v, G_TYPE_POINTER);
+ g_value_set_pointer (&v, p);
+ const gboolean res = func (&v, ret, data);
+ g_value_unset (&v);
+ if (!res)
+ return FALSE;
+ }
+ break;
+ }
+ case SPA_TYPE_Object:
+ {
+ struct spa_pod_object *pod_obj = (struct spa_pod_object *) self->pod->pod;
+ struct spa_pod_prop *p = NULL;
+ SPA_POD_OBJECT_FOREACH (pod_obj, p) {
+ GValue v = G_VALUE_INIT;
+ g_value_init (&v, WP_TYPE_SPA_POD);
+ g_value_take_boxed (&v, wp_spa_pod_new_property_wrap (
+ self->pod->static_pod.data_property.table, p->key, p->flags,
+ &p->value));
+ const gboolean res = func (&v, ret, data);
+ g_value_unset (&v);
+ if (!res)
+ return FALSE;
+ }
+ break;
+ }
+ case SPA_TYPE_Struct:
+ {
+ struct spa_pod *p = NULL;
+ SPA_POD_STRUCT_FOREACH (self->pod->pod, p) {
+ GValue v = G_VALUE_INIT;
+ g_value_init (&v, WP_TYPE_SPA_POD);
+ g_value_take_boxed (&v, wp_spa_pod_new_regular_wrap (p));
+ const gboolean res = func (&v, ret, data);
+ g_value_unset (&v);
+ if (!res)
+ return FALSE;
+ }
+ break;
+ }
+ case SPA_TYPE_Sequence:
+ {
+ struct spa_pod_sequence *pod_seq = (struct spa_pod_sequence *) self->pod->pod;
+ struct spa_pod_control *p = NULL;
+ SPA_POD_SEQUENCE_FOREACH (pod_seq, p) {
+ GValue v = G_VALUE_INIT;
+ g_value_init (&v, WP_TYPE_SPA_POD);
+ g_value_take_boxed (&v, wp_spa_pod_new_control_wrap (p->offset, p->type,
+ &p->value));
+ const gboolean res = func (&v, ret, data);
+ g_value_unset (&v);
+ if (!res)
+ return FALSE;
+ }
+ break;
+ }
+ default:
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+wp_spa_pod_iterator_finalize (WpIterator *iterator)
+{
+ WpSpaPodIterator *self = wp_iterator_get_user_data (iterator);
+ g_clear_pointer (&self->pod, wp_spa_pod_unref);
+}
+
+/**
+ * wp_spa_pod_iterator_new:
+ * @pod: a spa pod object
+ *
+ * Creates a new iterator for a spa pod object
+ *
+ * Returns: (transfer full): the new spa pod iterator
+ */
+WpIterator *
+wp_spa_pod_iterator_new (WpSpaPod *pod)
+{
+ static const WpIteratorMethods methods = {
+ .reset = wp_spa_pod_iterator_reset,
+ .next = wp_spa_pod_iterator_next,
+ .fold = wp_spa_pod_iterator_fold,
+ .foreach = NULL,
+ .finalize = wp_spa_pod_iterator_finalize
+ };
+ WpIterator *it = wp_iterator_new (&methods, sizeof (WpSpaPodIterator));
+ WpSpaPodIterator *self = wp_iterator_get_user_data (it);
+
+ self->pod = wp_spa_pod_ref (pod);
+
+ return it;
+}
diff --git a/lib/wp/spa-pod.h b/lib/wp/spa-pod.h
new file mode 100644
index 0000000000000000000000000000000000000000..6b6f0f430bf0a111b0f711b5351420eecbf502b1
--- /dev/null
+++ b/lib/wp/spa-pod.h
@@ -0,0 +1,459 @@
+/* WirePlumber
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author Julian Bouzas <julian.bouzas@collabora.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#ifndef __WIREPLUMBER_SPA_POD_H__
+#define __WIREPLUMBER_SPA_POD_H__
+
+#include <gio/gio.h>
+
+#include "defs.h"
+#include "iterator.h"
+
+G_BEGIN_DECLS
+
+/**
+ * WP_TYPE_SPA_POD:
+ *
+ * The #WpSpaPod #GType
+ */
+#define WP_TYPE_SPA_POD (wp_spa_pod_get_type ())
+WP_API
+GType wp_spa_pod_get_type (void);
+
+typedef struct _WpSpaPod WpSpaPod;
+
+WP_API
+WpSpaPod *wp_spa_pod_ref (WpSpaPod *self);
+
+WP_API
+void wp_spa_pod_unref (WpSpaPod *self);
+
+WP_API
+const char *wp_spa_pod_get_type_name (const WpSpaPod *self);
+
+WP_API
+WpSpaPod *wp_spa_pod_copy (const WpSpaPod *other);
+
+WP_API
+gboolean wp_spa_pod_is_unique_owner ( WpSpaPod *self);
+
+WP_API
+WpSpaPod *wp_spa_pod_ensure_unique_owner (WpSpaPod *self);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_none (void);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_boolean (gboolean value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_id (guint32 value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_int (gint value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_long (glong value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_float (float value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_double (double value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_string (const char *value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_bytes (gconstpointer value, guint32 len);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_pointer (const char *type_name, gconstpointer value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_fd (gint64 value);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_rectangle (guint32 width, guint32 height);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_fraction (guint32 num, guint32 denom);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_choice (const char *type_name, ...)
+ G_GNUC_NULL_TERMINATED;
+
+WP_API
+WpSpaPod *wp_spa_pod_new_choice_valist (const char *type_name, va_list args);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_object (const char *type_name, const char *id_name,
+ ...) G_GNUC_NULL_TERMINATED;
+
+WP_API
+WpSpaPod *wp_spa_pod_new_object_valist (const char *type_name,
+ const char *id_name, va_list args);
+
+WP_API
+WpSpaPod *wp_spa_pod_new_sequence (guint unit, ...) G_GNUC_NULL_TERMINATED;
+
+WP_API
+WpSpaPod *wp_spa_pod_new_sequence_valist (guint unit, va_list args);
+
+WP_API
+gboolean wp_spa_pod_is_none (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_boolean (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_id (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_int (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_long (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_float (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_double (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_string (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_bytes (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_pointer (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_fd (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_rectangle (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_fraction (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_array (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_choice (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_object (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_struct (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_sequence (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_property (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_is_control (const WpSpaPod *self);
+
+WP_API
+gboolean wp_spa_pod_get_boolean (const WpSpaPod *self, gboolean *value);
+
+WP_API
+gboolean wp_spa_pod_get_id (const WpSpaPod *self, guint32 *value);
+
+WP_API
+gboolean wp_spa_pod_get_int (const WpSpaPod *self, gint *value);
+
+WP_API
+gboolean wp_spa_pod_get_long (const WpSpaPod *self, glong *value);
+
+WP_API
+gboolean wp_spa_pod_get_float (const WpSpaPod *self, float *value);
+
+WP_API
+gboolean wp_spa_pod_get_double (const WpSpaPod *self, double *value);
+
+WP_API
+gboolean wp_spa_pod_get_string (const WpSpaPod *self, const char **value);
+
+WP_API
+gboolean wp_spa_pod_get_bytes (const WpSpaPod *self, gconstpointer *value,
+ guint32 *len);
+
+WP_API
+gboolean wp_spa_pod_get_pointer (const WpSpaPod *self, const char **type_name,
+ gconstpointer *value);
+
+WP_API
+gboolean wp_spa_pod_get_fd (const WpSpaPod *self, gint64 *value);
+
+WP_API
+gboolean wp_spa_pod_get_rectangle (const WpSpaPod *self, guint32 *width,
+ guint32 *height);
+
+WP_API
+gboolean wp_spa_pod_get_fraction (const WpSpaPod *self, guint32 *num,
+ guint32 *denom);
+
+WP_API
+gboolean wp_spa_pod_set_boolean (WpSpaPod *self, gboolean value);
+
+WP_API
+gboolean wp_spa_pod_set_id (WpSpaPod *self, guint32 value);
+
+WP_API
+gboolean wp_spa_pod_set_int (WpSpaPod *self, gint value);
+
+WP_API
+gboolean wp_spa_pod_set_long (WpSpaPod *self, glong value);
+
+WP_API
+gboolean wp_spa_pod_set_float (WpSpaPod *self, float value);
+
+WP_API
+gboolean wp_spa_pod_set_double (WpSpaPod *self, double value);
+
+WP_API
+gboolean wp_spa_pod_set_pointer (WpSpaPod *self, const char *type_name,
+ gconstpointer value);
+
+WP_API
+gboolean wp_spa_pod_set_fd (WpSpaPod *self, gint64 value);
+
+WP_API
+gboolean wp_spa_pod_set_rectangle (WpSpaPod *self, guint32 width,
+ guint32 height);
+
+WP_API
+gboolean wp_spa_pod_set_fraction (WpSpaPod *self, guint32 num, guint32 denom);
+
+WP_API
+gboolean wp_spa_pod_set_pod (WpSpaPod *self, const WpSpaPod *pod);
+
+WP_API
+gboolean wp_spa_pod_get_object (WpSpaPod *self, const char *type_name,
+ const char **id_name, ...) G_GNUC_NULL_TERMINATED;
+
+WP_API
+gboolean wp_spa_pod_get_object_valist (WpSpaPod *self,
+ const char *type_name, const char **id_name, va_list args);
+
+WP_API
+gboolean wp_spa_pod_get_struct (WpSpaPod *self, ...)
+ G_GNUC_NULL_TERMINATED;
+
+WP_API
+gboolean wp_spa_pod_get_struct_valist (WpSpaPod *self, va_list args);
+
+WP_API
+gboolean wp_spa_pod_get_property (const WpSpaPod *self, const char **key,
+ WpSpaPod **value);
+
+WP_API
+gboolean wp_spa_pod_get_control (const WpSpaPod *self, guint32 *offset,
+ const char **type_name, WpSpaPod **value);
+
+WP_API
+WpSpaPod *wp_spa_pod_get_choice_child (WpSpaPod *self);
+
+WP_API
+WpSpaPod *wp_spa_pod_get_array_child (WpSpaPod *self);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (WpSpaPod, wp_spa_pod_unref)
+
+
+/**
+ * WP_TYPE_SPA_POD_BUILDER:
+ *
+ * The #WpSpaPodBuilder #GType
+ */
+#define WP_TYPE_SPA_POD_BUILDER (wp_spa_pod_builder_get_type ())
+WP_API
+GType wp_spa_pod_builder_get_type (void);
+
+typedef struct _WpSpaPodBuilder WpSpaPodBuilder;
+
+WP_API
+WpSpaPodBuilder *wp_spa_pod_builder_ref (WpSpaPodBuilder *self);
+
+WP_API
+void wp_spa_pod_builder_unref (WpSpaPodBuilder *self);
+
+WP_API
+WpSpaPodBuilder *wp_spa_pod_builder_new_array (void);
+
+WP_API
+WpSpaPodBuilder *wp_spa_pod_builder_new_choice (const char *type_name);
+
+WP_API
+WpSpaPodBuilder *wp_spa_pod_builder_new_object (const char *type_name,
+ const char *id_name);
+
+WP_API
+WpSpaPodBuilder *wp_spa_pod_builder_new_struct (void);
+
+WP_API
+WpSpaPodBuilder *wp_spa_pod_builder_new_sequence (guint unit);
+
+WP_API
+void wp_spa_pod_builder_add_none (WpSpaPodBuilder *self);
+
+WP_API
+void wp_spa_pod_builder_add_boolean (WpSpaPodBuilder *self, gboolean value);
+
+WP_API
+void wp_spa_pod_builder_add_id (WpSpaPodBuilder *self, guint32 value);
+
+WP_API
+void wp_spa_pod_builder_add_int (WpSpaPodBuilder *self, gint value);
+
+WP_API
+void wp_spa_pod_builder_add_long (WpSpaPodBuilder *self, glong value);
+
+WP_API
+void wp_spa_pod_builder_add_float (WpSpaPodBuilder *self, float value);
+
+WP_API
+void wp_spa_pod_builder_add_double (WpSpaPodBuilder *self, double value);
+
+WP_API
+void wp_spa_pod_builder_add_string (WpSpaPodBuilder *self, const char *value);
+
+WP_API
+void wp_spa_pod_builder_add_bytes (WpSpaPodBuilder *self, gconstpointer value,
+ guint32 len);
+
+WP_API
+void wp_spa_pod_builder_add_pointer (WpSpaPodBuilder *self,
+ const char *type_name, gconstpointer value);
+
+WP_API
+void wp_spa_pod_builder_add_fd (WpSpaPodBuilder *self, gint64 value);
+
+WP_API
+void wp_spa_pod_builder_add_rectangle (WpSpaPodBuilder *self, guint32 width,
+ guint32 height);
+
+WP_API
+void wp_spa_pod_builder_add_fraction (WpSpaPodBuilder *self, guint32 num,
+ guint32 denom);
+
+WP_API
+void wp_spa_pod_builder_add_pod (WpSpaPodBuilder *self, const WpSpaPod *pod);
+
+WP_API
+void wp_spa_pod_builder_add_property (WpSpaPodBuilder *self, const char *key);
+
+WP_API
+void wp_spa_pod_builder_add_control (WpSpaPodBuilder *self, guint32 offset,
+ const char *type_name);
+
+WP_API
+void wp_spa_pod_builder_add (WpSpaPodBuilder *self, ...) G_GNUC_NULL_TERMINATED;
+
+WP_API
+void wp_spa_pod_builder_add_valist (WpSpaPodBuilder *self, va_list args);
+
+WP_API
+WpSpaPod *wp_spa_pod_builder_end (WpSpaPodBuilder *self);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (WpSpaPodBuilder, wp_spa_pod_builder_unref)
+
+
+/**
+ * WP_TYPE_SPA_POD_PARSER:
+ *
+ * The #WpSpaPodParser #GType
+ */
+#define WP_TYPE_SPA_POD_PARSER (wp_spa_pod_parser_get_type ())
+WP_API
+GType wp_spa_pod_parser_get_type (void);
+
+typedef struct _WpSpaPodParser WpSpaPodParser;
+
+WP_API
+WpSpaPodParser *wp_spa_pod_parser_ref (WpSpaPodParser *self);
+
+WP_API
+void wp_spa_pod_parser_unref (WpSpaPodParser *self);
+
+WP_API
+WpSpaPodParser *wp_spa_pod_parser_new_object (WpSpaPod *pod,
+ const char *type_name, const char **id_name);
+
+WP_API
+WpSpaPodParser *wp_spa_pod_parser_new_struct (WpSpaPod *pod);
+
+WP_API
+gboolean wp_spa_pod_parser_get_boolean (WpSpaPodParser *self, gboolean *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_id (WpSpaPodParser *self, guint32 *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_int (WpSpaPodParser *self, gint *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_long (WpSpaPodParser *self, glong *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_float (WpSpaPodParser *self, float *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_double (WpSpaPodParser *self, double *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_string (WpSpaPodParser *self,
+ const char **value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_bytes (WpSpaPodParser *self,
+ gconstpointer *value, guint32 *len);
+
+WP_API
+gboolean wp_spa_pod_parser_get_pointer (WpSpaPodParser *self,
+ const char **type_name, gconstpointer *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_fd (WpSpaPodParser *self, gint64 *value);
+
+WP_API
+gboolean wp_spa_pod_parser_get_rectangle (WpSpaPodParser *self, guint32 *width,
+ guint32 *height);
+
+WP_API
+gboolean wp_spa_pod_parser_get_fraction (WpSpaPodParser *self, guint32 *num,
+ guint32 *denom);
+
+WP_API
+WpSpaPod *wp_spa_pod_parser_get_pod (WpSpaPodParser *self);
+
+WP_API
+gboolean wp_spa_pod_parser_get (WpSpaPodParser *self, ...);
+
+WP_API
+gboolean wp_spa_pod_parser_get_valist (WpSpaPodParser *self,
+ va_list args);
+
+WP_API
+void wp_spa_pod_parser_end (WpSpaPodParser *self);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (WpSpaPodParser, wp_spa_pod_parser_unref)
+
+
+WP_API
+WpIterator *wp_spa_pod_iterator_new (WpSpaPod *pod);
+
+G_END_DECLS
+
+#endif
diff --git a/lib/wp/wp.h b/lib/wp/wp.h
index 3d2f345af17f782410f13c81df024160ba376d9b..92baa8aef43405df3ab5010a2dc4e4e2e2c9fba6 100644
--- a/lib/wp/wp.h
+++ b/lib/wp/wp.h
@@ -25,4 +25,5 @@
#include "proxy.h"
#include "session.h"
#include "spa-type.h"
+#include "spa-pod.h"
#include "wpenums.h"
diff --git a/tests/wp/meson.build b/tests/wp/meson.build
index 917a35e7a8e7dfe1d999d1680078c03045654c87..046736c432849d75311a3cd43e827228ade761fe 100644
--- a/tests/wp/meson.build
+++ b/tests/wp/meson.build
@@ -34,6 +34,12 @@ test(
env: common_env,
)
+test(
+ 'test-spa-pod',
+ executable('test-spa-pod', 'spa-pod.c', dependencies: common_deps),
+ env: common_env,
+)
+
test(
'test-spa-type',
executable('test-spa-type', 'spa-type.c', dependencies: common_deps),
diff --git a/tests/wp/spa-pod.c b/tests/wp/spa-pod.c
new file mode 100644
index 0000000000000000000000000000000000000000..8b75340cc6377e7a11ca047ffb3f1ce8d3015ca8
--- /dev/null
+++ b/tests/wp/spa-pod.c
@@ -0,0 +1,978 @@
+/* WirePlumber
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author Julian Bouzas <julian.bouzas@collabora.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include <wp/wp.h>
+
+static void
+test_spa_pod_basic (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* None */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_none ();
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_none (pod));
+ g_assert_false (wp_spa_pod_is_id (pod));
+ g_assert_cmpstr ("None", ==, wp_spa_pod_get_type_name (pod));
+ }
+
+ /* Boolean */
+ {
+ g_autoptr (WpSpaPod) copy = NULL;
+ g_assert_null (copy);
+
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_boolean (TRUE);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_boolean (pod));
+ gboolean value = FALSE;
+ g_assert_true (wp_spa_pod_get_boolean (pod, &value));
+ g_assert_true (value);
+ g_assert_cmpstr ("Bool", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_boolean (pod, FALSE));
+ g_assert_true (wp_spa_pod_get_boolean (pod, &value));
+ g_assert_false (value);
+
+ copy = wp_spa_pod_copy (pod);
+ }
+
+ g_assert_nonnull (copy);
+ g_assert_true (wp_spa_pod_is_boolean (copy));
+ gboolean value = FALSE;
+ g_assert_true (wp_spa_pod_get_boolean (copy, &value));
+ g_assert_false (value);
+ g_assert_cmpstr ("Bool", ==, wp_spa_pod_get_type_name (copy));
+ }
+
+ /* Id */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_id (5);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_id (pod));
+ guint32 value = 0;
+ g_assert_true (wp_spa_pod_get_id (pod, &value));
+ g_assert_cmpuint (value, ==, 5);
+ g_assert_cmpstr ("Id", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_id (pod, 10));
+ g_assert_true (wp_spa_pod_get_id (pod, &value));
+ g_assert_cmpuint (value, ==, 10);
+ }
+
+ /* Int */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_int (-12);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_int (pod));
+ gint value = 0;
+ g_assert_true (wp_spa_pod_get_int (pod, &value));
+ g_assert_cmpint (value, ==, -12);
+ g_assert_cmpstr ("Int", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_int (pod, 9999));
+ g_assert_true (wp_spa_pod_get_int (pod, &value));
+ g_assert_cmpint (value, ==, 9999);
+ }
+
+ /* Long */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_long (LONG_MAX);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_long (pod));
+ long value = 0;
+ g_assert_true (wp_spa_pod_get_long (pod, &value));
+ g_assert_cmpint (value, ==, LONG_MAX);
+ g_assert_cmpstr ("Long", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_long (pod, LONG_MIN));
+ g_assert_true (wp_spa_pod_get_long (pod, &value));
+ g_assert_cmpuint (value, ==, LONG_MIN);
+ }
+
+ /* Float */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_float (3.14);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_float (pod));
+ float value = 0;
+ g_assert_true (wp_spa_pod_get_float (pod, &value));
+ g_assert_cmpfloat_with_epsilon (value, 3.14, 0.001);
+ g_assert_cmpstr ("Float", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_float (pod, 1.0));
+ g_assert_true (wp_spa_pod_get_float (pod, &value));
+ g_assert_cmpfloat_with_epsilon (value, 1.0, 0.001);
+ }
+
+ /* Double */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_double (2.718281828);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_double (pod));
+ double value = 0;
+ g_assert_true (wp_spa_pod_get_double (pod, &value));
+ g_assert_cmpfloat_with_epsilon (value, 2.718281828, 0.0000000001);
+ g_assert_cmpstr ("Double", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_double (pod, 2.0));
+ g_assert_true (wp_spa_pod_get_double (pod, &value));
+ g_assert_cmpfloat_with_epsilon (value, 2.0, 0.0000000001);
+ }
+
+ /* String */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_string ("WirePlumber");
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_string (pod));
+ const char *value = NULL;
+ g_assert_true (wp_spa_pod_get_string (pod, &value));
+ g_assert_nonnull (value);
+ g_assert_cmpstr (value, ==, "WirePlumber");
+ g_assert_cmpstr ("String", ==, wp_spa_pod_get_type_name (pod));
+
+ g_autoptr (WpSpaPod) other = wp_spa_pod_new_string ("Other");
+ g_assert_nonnull (other);
+ g_assert_true (wp_spa_pod_set_pod (pod, other));
+ g_assert_true (wp_spa_pod_get_string (pod, &value));
+ g_assert_nonnull (value);
+ g_assert_cmpstr (value, ==, "Other");
+ }
+
+ /* Bytes */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_bytes ("bytes", 5);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_bytes (pod));
+ gconstpointer value = NULL;
+ guint32 len = 0;
+ g_assert_true (wp_spa_pod_get_bytes (pod, &value, &len));
+ g_assert_nonnull (value);
+ g_assert_cmpmem (value, len, "bytes", 5);
+ g_assert_cmpuint (len, ==, 5);
+ g_assert_cmpstr ("Bytes", ==, wp_spa_pod_get_type_name (pod));
+ }
+
+ /* Pointer */
+ {
+ gint i = 3;
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_pointer ("Int", &i);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_pointer (pod));
+ const char *type_name = NULL;
+ gconstpointer p = NULL;
+ g_assert_true (wp_spa_pod_get_pointer (pod, &type_name, &p));
+ g_assert_nonnull (type_name);
+ g_assert_nonnull (p);
+ g_assert_cmpstr (type_name, ==, "Int");
+ g_assert_true (p == &i);
+ g_assert_cmpint (*(gint *)p, ==, 3);
+ g_assert_cmpstr ("Pointer", ==, wp_spa_pod_get_type_name (pod));
+ gboolean b = TRUE;
+ g_assert_true (wp_spa_pod_set_pointer (pod, "Bool", &b));
+ g_assert_true (wp_spa_pod_get_pointer (pod, &type_name, &p));
+ g_assert_nonnull (type_name);
+ g_assert_nonnull (p);
+ g_assert_cmpstr (type_name, ==, "Bool");
+ g_assert_true (p == &b);
+ g_assert_cmpint (*(gboolean *)p, ==, TRUE);
+ }
+
+ /* Fd */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_fd (4);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_fd (pod));
+ gint64 value = 0;
+ g_assert_true (wp_spa_pod_get_fd (pod, &value));
+ g_assert_cmpint (value, ==, 4);
+ g_assert_cmpstr ("Fd", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_fd (pod, 1));
+ g_assert_true (wp_spa_pod_get_fd (pod, &value));
+ g_assert_cmpuint (value, ==, 1);
+ }
+
+ /* Rectangle */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_rectangle (1920, 1080);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_rectangle (pod));
+ guint32 width = 0;
+ guint32 height = 0;
+ g_assert_true (wp_spa_pod_get_rectangle (pod, &width, &height));
+ g_assert_cmpint (width, ==, 1920);
+ g_assert_cmpint (height, ==, 1080);
+ g_assert_cmpstr ("Rectangle", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_rectangle (pod, 640, 480));
+ g_assert_true (wp_spa_pod_get_rectangle (pod, &width, &height));
+ g_assert_cmpint (width, ==, 640);
+ g_assert_cmpint (height, ==, 480);
+ }
+
+ /* Fraction */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_fraction (16, 9);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_fraction (pod));
+ guint32 num = 0;
+ guint32 denom = 0;
+ g_assert_true (wp_spa_pod_get_fraction (pod, &num, &denom));
+ g_assert_cmpint (num, ==, 16);
+ g_assert_cmpint (denom, ==, 9);
+ g_assert_cmpstr ("Fraction", ==, wp_spa_pod_get_type_name (pod));
+ g_assert_true (wp_spa_pod_set_fraction (pod, 4, 3));
+ g_assert_true (wp_spa_pod_get_fraction (pod, &num, &denom));
+ g_assert_cmpint (num, ==, 4);
+ g_assert_cmpint (denom, ==, 3);
+ }
+
+ wp_spa_type_deinit ();
+}
+
+static void
+test_spa_pod_choice (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* Static Enum */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_choice (
+ "Enum", "i", 0, "i", 1, "i", 2, NULL);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_choice (pod));
+ g_assert_cmpstr ("Choice", ==, wp_spa_pod_get_type_name (pod));
+
+ g_autoptr (WpSpaPod) child = wp_spa_pod_get_choice_child (pod);
+ g_assert_nonnull (child);
+ g_assert_cmpstr ("Int", ==, wp_spa_pod_get_type_name (child));
+ gint value = 1;
+ g_assert_true (wp_spa_pod_get_int (child, &value));
+ g_assert_cmpint (value, ==, 0);
+ g_assert_true (wp_spa_pod_set_int (child, 3));
+ g_assert_true (wp_spa_pod_get_int (child, &value));
+ g_assert_cmpint (value, ==, 3);
+ }
+
+ /* Static None */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_choice ("None", "s",
+ "default value", NULL);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_choice (pod));
+ g_assert_cmpstr ("Choice", ==, wp_spa_pod_get_type_name (pod));
+
+ {
+ g_autoptr (WpSpaPod) child = wp_spa_pod_get_choice_child (pod);
+ g_assert_nonnull (child);
+ g_assert_cmpstr ("String", ==, wp_spa_pod_get_type_name (child));
+ const char *value = NULL;
+ g_assert_true (wp_spa_pod_get_string (child, &value));
+ g_assert_nonnull (value);
+ g_assert_cmpstr ("default value", ==, value);
+ g_autoptr (WpSpaPod) str_pod = wp_spa_pod_new_string ("new value");
+ g_assert_true (wp_spa_pod_set_pod (child, str_pod));
+ g_assert_true (wp_spa_pod_get_string (child, &value));
+ g_assert_cmpstr ("new value", ==, value);
+ }
+
+ {
+ g_autoptr (WpSpaPod) child = wp_spa_pod_get_choice_child (pod);
+ g_assert_nonnull (child);
+ g_assert_cmpstr ("String", ==, wp_spa_pod_get_type_name (child));
+ const char *value = NULL;
+ g_assert_true (wp_spa_pod_get_string (child, &value));
+ g_assert_nonnull (value);
+ g_assert_cmpstr ("new value", ==, value);
+ }
+ }
+
+ /* Dynamic */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_choice ("Enum");
+ wp_spa_pod_builder_add (b, "i", 0, NULL);
+ wp_spa_pod_builder_add (b, "i", 1, NULL);
+ wp_spa_pod_builder_add (b, "i", 2, NULL);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_choice (pod));
+ g_assert_cmpstr ("Choice", ==, wp_spa_pod_get_type_name (pod));
+ }
+
+ /* It is not possible to use the parser to get the contents of a choice, you
+ * need to use the iterator API to achieve that. This is because there is no
+ * `spa_pod_parser_get_choice` API in the SPA library */
+
+ wp_spa_type_deinit ();
+}
+
+static void
+test_spa_pod_array (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* Dynamic */
+ {
+ WpSpaPodBuilder *b = wp_spa_pod_builder_new_array ();
+ wp_spa_pod_builder_add (b, "b", FALSE, NULL);
+ wp_spa_pod_builder_add (b, "b", TRUE, NULL);
+ wp_spa_pod_builder_add (b, "b", TRUE, NULL);
+ wp_spa_pod_builder_add (b, "b", FALSE, NULL);
+ wp_spa_pod_builder_add (b, "b", TRUE, NULL);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_array (pod));
+ g_assert_cmpstr ("Array", ==, wp_spa_pod_get_type_name (pod));
+ wp_spa_pod_builder_unref (b);
+ g_assert_true (wp_spa_pod_is_array (pod));
+
+ g_autoptr (WpSpaPod) child = wp_spa_pod_get_array_child (pod);
+ g_assert_nonnull (child);
+ g_assert_cmpstr ("Bool", ==, wp_spa_pod_get_type_name (child));
+ gboolean value = TRUE;
+ g_assert_true (wp_spa_pod_get_boolean (child, &value));
+ g_assert_false (value);
+ }
+
+ /* It is not possible to use the parser to get the contents of an array, you
+ * need to use the iterator API to achieve that. This is because there is no
+ * `spa_pod_parser_get_array` API in the SPA library. */
+
+ wp_spa_type_deinit ();
+}
+
+static void
+test_spa_pod_object (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* Static */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_object (
+ "Props", "Props",
+ "mute", "b", FALSE,
+ "volume", "f", 0.5,
+ "frequency", "i", 440,
+ "device", "s", "device-name",
+ "deviceFd", "h", 5,
+ NULL);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_object (pod));
+ g_assert_cmpstr ("Object", ==, wp_spa_pod_get_type_name (pod));
+
+ const char *id_name;
+ gboolean mute = TRUE;
+ float vol = 0.0;
+ gint frequency;
+ const char *device;
+ gint64 device_fd;
+ g_assert_true (wp_spa_pod_get_object (pod,
+ "Props", &id_name,
+ "mute", "b", &mute,
+ "volume", "f", &vol,
+ "frequency", "i", &frequency,
+ "device", "s", &device,
+ "deviceFd", "h", &device_fd,
+ NULL));
+ g_assert_cmpstr (id_name, ==, "Props");
+ g_assert_false (mute);
+ g_assert_cmpfloat_with_epsilon (vol, 0.5, 0.01);
+ g_assert_cmpint (frequency, ==, 440);
+ g_assert_cmpstr (device, ==, "device-name");
+ g_assert_cmpint (device_fd, ==, 5);
+ }
+
+ /* Dynamic */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_object (
+ "Props", "Props");
+ wp_spa_pod_builder_add_property (b, "mute");
+ wp_spa_pod_builder_add_boolean (b, FALSE);
+ wp_spa_pod_builder_add_property (b, "volume");
+ wp_spa_pod_builder_add_float (b, 0.5);
+ wp_spa_pod_builder_add_property (b, "frequency");
+ wp_spa_pod_builder_add_int (b, 440);
+ wp_spa_pod_builder_add_property (b, "device");
+ wp_spa_pod_builder_add_string (b, "device-name");
+ wp_spa_pod_builder_add_property (b, "deviceFd");
+ wp_spa_pod_builder_add_fd (b, 5);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_object (pod));
+ g_assert_cmpstr ("Object", ==, wp_spa_pod_get_type_name (pod));
+
+ const char *id_name;
+ gboolean mute = TRUE;
+ float vol = 0.0;
+ gint frequency;
+ const char *device;
+ gint64 device_fd;
+ g_autoptr (WpSpaPodParser) p = wp_spa_pod_parser_new_object (pod,
+ "Props", &id_name);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_parser_get (p, "mute", "b", &mute, NULL));
+ g_assert_true (wp_spa_pod_parser_get (p, "volume", "f", &vol, NULL));
+ g_assert_true (wp_spa_pod_parser_get (p, "frequency", "i", &frequency, NULL));
+ g_assert_true (wp_spa_pod_parser_get (p, "device", "s", &device, NULL));
+ g_assert_true (wp_spa_pod_parser_get (p, "deviceFd", "h", &device_fd, NULL));
+ wp_spa_pod_parser_end (p);
+ g_assert_cmpstr (id_name, ==, "Props");
+ g_assert_false (mute);
+ g_assert_cmpfloat_with_epsilon (vol, 0.5, 0.01);
+ g_assert_cmpint (frequency, ==, 440);
+ g_assert_cmpstr (device, ==, "device-name");
+ g_assert_cmpint (device_fd, ==, 5);
+ }
+
+ wp_spa_type_deinit ();
+}
+
+static void
+test_spa_pod_struct (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* Dynamic */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_struct ();
+ wp_spa_pod_builder_add_boolean (b, TRUE);
+ wp_spa_pod_builder_add_id (b, 2);
+ wp_spa_pod_builder_add_int (b, 8);
+ wp_spa_pod_builder_add_long (b, 64);
+ wp_spa_pod_builder_add_float (b, 3.14);
+ wp_spa_pod_builder_add_double (b, 2.718281828);
+ wp_spa_pod_builder_add_string (b, "WirePlumber");
+ wp_spa_pod_builder_add_bytes (b, "bytes", 5);
+ wp_spa_pod_builder_add_pointer (b, "Struct", b);
+ wp_spa_pod_builder_add_fd (b, 4);
+ wp_spa_pod_builder_add_rectangle (b, 1920, 1080);
+ wp_spa_pod_builder_add_fraction (b, 16, 9);
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_int (35254);
+ wp_spa_pod_builder_add_pod (b, pod);
+ }
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_object (
+ "Props", "Props",
+ "mute", "b", FALSE,
+ NULL);
+ wp_spa_pod_builder_add (b, "P", pod, NULL);
+ }
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_struct (pod));
+ g_assert_cmpstr ("Struct", ==, wp_spa_pod_get_type_name (pod));
+
+ g_autoptr (WpSpaPodParser) p = wp_spa_pod_parser_new_struct (pod);
+ g_assert_nonnull (pod);
+
+ gboolean value_boolean;
+ g_assert_true (wp_spa_pod_parser_get_boolean (p, &value_boolean));
+ g_assert_true (value_boolean);
+
+ guint32 value_id;
+ g_assert_true (wp_spa_pod_parser_get_id (p, &value_id));
+ g_assert_cmpuint (value_id, ==, 2);
+
+ gint value_int;
+ g_assert_true (wp_spa_pod_parser_get_int (p, &value_int));
+ g_assert_cmpint (value_int, ==, 8);
+
+ glong value_long;
+ g_assert_true (wp_spa_pod_parser_get_long (p, &value_long));
+ g_assert_cmpint (value_long, ==, 64);
+
+ float value_float;
+ g_assert_true (wp_spa_pod_parser_get_float (p, &value_float));
+ g_assert_cmpfloat_with_epsilon (value_float, 3.14, 0.001);
+
+ double value_double;
+ g_assert_true (wp_spa_pod_parser_get_double (p, &value_double));
+ g_assert_cmpfloat_with_epsilon (value_double, 2.718281828, 0.0000000001);
+
+ const char *value_string;
+ g_assert_true (wp_spa_pod_parser_get_string (p, &value_string));
+ g_assert_cmpstr (value_string, ==, "WirePlumber");
+
+ gconstpointer value_bytes;
+ guint32 len_bytes;
+ g_assert_true (wp_spa_pod_parser_get_bytes (p, &value_bytes, &len_bytes));
+ g_assert_cmpmem (value_bytes, len_bytes, "bytes", 5);
+ g_assert_cmpuint (len_bytes, ==, 5);
+
+ gconstpointer value_pointer;
+ const char *type_pointer;
+ g_assert_true (wp_spa_pod_parser_get_pointer (p, &type_pointer, &value_pointer));
+ g_assert_nonnull (type_pointer);
+ g_assert_nonnull (value_pointer);
+ g_assert_cmpstr (type_pointer, ==, "Struct");
+ g_assert_true (value_pointer == b);
+
+ gint64 value_fd;
+ g_assert_true (wp_spa_pod_parser_get_fd (p, &value_fd));
+ g_assert_cmpint (value_fd, ==, 4);
+
+ guint32 value_width;
+ guint32 value_height;
+ g_assert_true (wp_spa_pod_parser_get_rectangle (p, &value_width, &value_height));
+ g_assert_cmpuint (value_width, ==, 1920);
+ g_assert_cmpuint (value_height, ==, 1080);
+
+ guint32 value_num;
+ guint32 value_denom;
+ g_assert_true (wp_spa_pod_parser_get_fraction (p, &value_num, &value_denom));
+ g_assert_cmpuint (value_num, ==, 16);
+ g_assert_cmpuint (value_denom, ==, 9);
+
+ g_autoptr (WpSpaPod) value_pod = wp_spa_pod_parser_get_pod (p);
+ g_assert_nonnull (value_pod);
+ gint value_pod_int;
+ g_assert_true (wp_spa_pod_get_int (value_pod, &value_pod_int));
+ g_assert_cmpint (value_pod_int, ==, 35254);
+
+ g_autoptr (WpSpaPod) value_object = NULL;
+ g_assert_true (wp_spa_pod_parser_get (p, "P", &value_object, NULL));
+ g_assert_nonnull (value_object);
+ const char *id_name;
+ gboolean mute = TRUE;
+
+ g_assert_true (wp_spa_pod_get_object (value_object,
+ "Props", &id_name,
+ "mute", "b", &mute,
+ NULL));
+ g_assert_cmpstr (id_name, ==, "Props");
+ g_assert_false (mute);
+ }
+
+ wp_spa_type_deinit ();
+}
+
+static void
+test_spa_pod_sequence (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* Static */
+ {
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_new_sequence (0,
+ 10, "Properties", "l", 9999, NULL);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_sequence (pod));
+ g_assert_cmpstr ("Sequence", ==, wp_spa_pod_get_type_name (pod));
+ }
+
+ /* Dynamic */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_sequence (0);
+ wp_spa_pod_builder_add_control (b, 10, "Properties");
+ wp_spa_pod_builder_add_long (b, 9999);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_sequence (pod));
+ g_assert_cmpstr ("Sequence", ==, wp_spa_pod_get_type_name (pod));
+ }
+
+ /* It is not possible to use the parser to get the contents of a sequence, you
+ * need to use the iterator API to achieve that. This is because there is no
+ * `spa_pod_parser_get_sequence` API in the SPA library. */
+
+ wp_spa_type_deinit ();
+}
+
+static void
+choice_foreach (const GValue *item, gpointer data)
+{
+ gint *total = data;
+ const gint *value = g_value_get_pointer (item);
+ *total += *value;
+}
+
+static void
+array_foreach (const GValue *item, gpointer data)
+{
+ gint *total = data;
+ const gint *value = g_value_get_pointer (item);
+ *total += *value;
+}
+
+static void
+object_foreach (const GValue *item, gpointer data)
+{
+ guint32 *total_props = data;
+ const WpSpaPod *prop = g_value_get_boxed (item);
+ g_assert_true (wp_spa_pod_is_property (prop));
+ *total_props += 1;
+}
+
+static void
+struct_foreach (const GValue *item, gpointer data)
+{
+ guint32 *total_fields = data;
+ *total_fields += 1;
+}
+
+static void
+sequence_foreach (const GValue *item, gpointer data)
+{
+ guint32 *offset_total = data;
+ const WpSpaPod *control = g_value_get_boxed (item);
+ g_assert_true (wp_spa_pod_is_control (control));
+ guint32 offset = 0;
+ g_assert_true (wp_spa_pod_get_control (control, &offset, NULL, NULL));
+ *offset_total += offset;
+}
+
+static void
+test_spa_pod_iterator (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* Choice */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_choice ("Enum");
+ wp_spa_pod_builder_add (b, "i", 0, NULL);
+ wp_spa_pod_builder_add (b, "i", 1, NULL);
+ wp_spa_pod_builder_add (b, "i", 2, NULL);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+
+ g_autoptr (WpIterator) it = wp_spa_pod_iterator_new (pod);
+ g_assert_nonnull (it);
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ gpointer p = g_value_get_pointer (&next);
+ g_assert_nonnull (p);
+ g_assert_cmpint (*(gint *)p, ==, 0);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ gpointer p = g_value_get_pointer (&next);
+ g_assert_nonnull (p);
+ g_assert_cmpint (*(gint *)p, ==, 1);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ gpointer p = g_value_get_pointer (&next);
+ g_assert_nonnull (p);
+ g_assert_cmpint (*(gint *)p, ==, 2);
+ g_value_unset (&next);
+ }
+
+ {
+ g_assert_false (wp_iterator_next (it, NULL));
+ }
+
+ gint total = 0;
+ g_assert_true (wp_iterator_foreach (it, choice_foreach, &total));
+ g_assert_cmpint (total, ==, 3);
+
+ }
+
+ /* Array */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_array ();
+ wp_spa_pod_builder_add_int (b, 1);
+ wp_spa_pod_builder_add_int (b, 2);
+ wp_spa_pod_builder_add_int (b, 3);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+
+ g_autoptr (WpIterator) it = wp_spa_pod_iterator_new (pod);
+ g_assert_nonnull (it);
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ gpointer p = g_value_get_pointer (&next);
+ g_assert_nonnull (p);
+ g_assert_cmpint (*(gint *)p, ==, 1);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ gpointer p = g_value_get_pointer (&next);
+ g_assert_nonnull (p);
+ g_assert_cmpint (*(gint *)p, ==, 2);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ gpointer p = g_value_get_pointer (&next);
+ g_assert_nonnull (p);
+ g_assert_cmpint (*(gint *)p, ==, 3);
+ g_value_unset (&next);
+ }
+
+ {
+ g_assert_false (wp_iterator_next (it, NULL));
+ }
+
+ gint total = 0;
+ g_assert_true (wp_iterator_foreach (it, array_foreach, &total));
+ g_assert_cmpint (total, ==, 6);
+ }
+
+ /* Object */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_object (
+ "Props", "Props");
+ wp_spa_pod_builder_add_property (b, "mute");
+ wp_spa_pod_builder_add_boolean (b, FALSE);
+ wp_spa_pod_builder_add_property (b, "device");
+ wp_spa_pod_builder_add_string (b, "device-name");
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+
+ g_autoptr (WpIterator) it = wp_spa_pod_iterator_new (pod);
+ g_assert_nonnull (it);
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ WpSpaPod *p = g_value_get_boxed (&next);
+ g_assert_nonnull (p);
+ g_assert_true (wp_spa_pod_is_property (p));
+ const char *key = NULL;
+ g_autoptr (WpSpaPod) value = NULL;
+ g_assert_true (wp_spa_pod_get_property (p, &key, &value));
+ g_assert_cmpstr (key, ==, "mute");
+ gboolean b = TRUE;
+ g_assert_true (wp_spa_pod_get_boolean (value, &b));
+ g_assert_false (b);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ WpSpaPod *p = g_value_get_boxed (&next);
+ g_assert_nonnull (p);
+ g_assert_true (wp_spa_pod_is_property (p));
+ const char *key = NULL;
+ g_autoptr (WpSpaPod) value = NULL;
+ g_assert_true (wp_spa_pod_get_property (p, &key, &value));
+ g_assert_cmpstr (key, ==, "device");
+ const char *s = NULL;
+ g_assert_true (wp_spa_pod_get_string (value, &s));
+ g_assert_cmpstr (s, ==, "device-name");
+ g_value_unset (&next);
+ }
+
+ {
+ g_assert_false (wp_iterator_next (it, NULL));
+ }
+
+ guint32 total_props = 0;
+ g_assert_true (wp_iterator_foreach (it, object_foreach, &total_props));
+ g_assert_cmpuint (total_props, ==, 2);
+ }
+
+ /* Struct */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_struct ();
+ wp_spa_pod_builder_add_boolean (b, TRUE);
+ wp_spa_pod_builder_add_id (b, 2);
+ wp_spa_pod_builder_add_int (b, 8);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+
+ g_autoptr (WpIterator) it = wp_spa_pod_iterator_new (pod);
+ g_assert_nonnull (it);
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ WpSpaPod *p = g_value_get_boxed (&next);
+ g_assert_nonnull (p);
+ gboolean v = FALSE;
+ g_assert_true (wp_spa_pod_get_boolean (p, &v));
+ g_assert_true (v);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ WpSpaPod *p = g_value_get_boxed (&next);
+ g_assert_nonnull (p);
+ guint32 v = 0;
+ g_assert_true (wp_spa_pod_get_id (p, &v));
+ g_assert_cmpuint (v, ==, 2);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ WpSpaPod *p = g_value_get_boxed (&next);
+ g_assert_nonnull (p);
+ gint v = 0;
+ g_assert_true (wp_spa_pod_get_int (p, &v));
+ g_assert_cmpint (v, ==, 8);
+ g_value_unset (&next);
+ }
+
+ {
+ g_assert_false (wp_iterator_next (it, NULL));
+ }
+
+ guint32 total_fields = 0;
+ g_assert_true (wp_iterator_foreach (it, struct_foreach, &total_fields));
+ g_assert_cmpuint (total_fields, ==, 3);
+ }
+
+ /* Sequence */
+ {
+ g_autoptr (WpSpaPodBuilder) b = wp_spa_pod_builder_new_sequence (0);
+ wp_spa_pod_builder_add_control (b, 10, "Properties");
+ wp_spa_pod_builder_add_float (b, 0.33);
+ wp_spa_pod_builder_add_control (b, 40, "Properties");
+ wp_spa_pod_builder_add_float (b, 0.66);
+ g_autoptr (WpSpaPod) pod = wp_spa_pod_builder_end (b);
+ g_assert_nonnull (pod);
+
+ g_autoptr (WpIterator) it = wp_spa_pod_iterator_new (pod);
+ g_assert_nonnull (it);
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ WpSpaPod *p = g_value_get_boxed (&next);
+ g_assert_nonnull (p);
+ g_assert_true (wp_spa_pod_is_control (p));
+ guint32 offset = 0;
+ const char *type_name = NULL;
+ g_autoptr (WpSpaPod) value = NULL;
+ g_assert_true (wp_spa_pod_get_control (p, &offset, &type_name, &value));
+ g_assert_cmpuint (offset, ==, 10);
+ g_assert_cmpstr (type_name, ==, "Properties");
+ float f = 0;
+ g_assert_true (wp_spa_pod_get_float (value, &f));
+ g_assert_cmpfloat_with_epsilon (f, 0.33, 0.001);
+ g_value_unset (&next);
+ }
+
+ {
+ GValue next = G_VALUE_INIT;
+ g_assert_true (wp_iterator_next (it, &next));
+ WpSpaPod *p = g_value_get_boxed (&next);
+ g_assert_nonnull (p);
+ g_assert_true (wp_spa_pod_is_control (p));
+ guint32 offset = 0;
+ const char *type_name = NULL;
+ g_autoptr (WpSpaPod) value = NULL;
+ g_assert_true (wp_spa_pod_get_control (p, &offset, &type_name, &value));
+ g_assert_cmpuint (offset, ==, 40);
+ g_assert_cmpstr (type_name, ==, "Properties");
+ float f = 0;
+ g_assert_true (wp_spa_pod_get_float (value, &f));
+ g_assert_cmpfloat_with_epsilon (f, 0.66, 0.001);
+ g_value_unset (&next);
+ }
+
+ {
+ g_assert_false (wp_iterator_next (it, NULL));
+ }
+
+ guint32 offset_total = 0;
+ g_assert_true (wp_iterator_foreach (it, sequence_foreach, &offset_total));
+ g_assert_cmpuint (offset_total, ==, 50);
+ }
+
+ wp_spa_type_deinit ();
+}
+
+static void
+test_spa_pod_unique_owner (void)
+{
+ wp_spa_type_init (TRUE);
+
+ /* Create an object */
+ WpSpaPod *pod = wp_spa_pod_new_object (
+ "PropInfo", "PropInfo",
+ "id", "I", 1,
+ "name", "s", "prop-info-name",
+ NULL);
+ g_assert_nonnull (pod);
+ g_assert_true (wp_spa_pod_is_unique_owner (pod));
+
+ /* Get the first property using an iterator */
+ GValue next = G_VALUE_INIT;
+ g_autoptr (WpSpaPod) property = NULL;
+ {
+ g_autoptr (WpIterator) it = wp_spa_pod_iterator_new (pod);
+ g_assert_nonnull (it);
+ g_assert_true (wp_iterator_next (it, &next));
+ property = g_value_dup_boxed (&next);
+ }
+ g_assert_nonnull (property);
+ g_assert_true (wp_spa_pod_is_property (property));
+ {
+ g_autoptr (WpSpaPod) value = NULL;
+ const char *key = NULL;
+ g_assert_true (wp_spa_pod_get_property (property, &key, &value));
+ g_assert_nonnull (key);
+ g_assert_cmpstr (key, ==, "id");
+ g_assert_nonnull (value);
+ guint32 id = 0;
+ g_assert_true (wp_spa_pod_get_id (value, &id));
+ g_assert_cmpuint (id, ==, 1);
+ }
+
+ /* Own the data */
+ g_assert_true (wp_spa_pod_is_unique_owner (pod));
+ g_assert_false (wp_spa_pod_is_unique_owner (property));
+ property = wp_spa_pod_ensure_unique_owner (property);
+ g_assert_true (wp_spa_pod_is_unique_owner (pod));
+ g_assert_true (wp_spa_pod_is_unique_owner (property));
+
+ /* Destroy the object */
+ wp_spa_pod_unref (pod);
+ g_assert_true (wp_spa_pod_is_unique_owner (property));
+
+ /* Make sure the property data is still valid */
+ {
+ g_autoptr (WpSpaPod) value = NULL;
+ const char *key = NULL;
+ g_assert_true (wp_spa_pod_get_property (property, &key, &value));
+ g_assert_nonnull (key);
+ g_assert_cmpstr (key, ==, "id");
+ g_assert_nonnull (value);
+ guint32 id = 0;
+ g_assert_true (wp_spa_pod_get_id (value, &id));
+ g_assert_cmpuint (id, ==, 1);
+ }
+
+ /* Destroy the property */
+ g_value_unset (&next);
+
+ wp_spa_type_deinit ();
+}
+
+int
+main (int argc, char *argv[])
+{
+ g_test_init (&argc, &argv, NULL);
+
+ g_test_add_func ("/wp/spa-pod/basic", test_spa_pod_basic);
+ g_test_add_func ("/wp/spa-pod/choice", test_spa_pod_choice);
+ g_test_add_func ("/wp/spa-pod/array", test_spa_pod_array);
+ g_test_add_func ("/wp/spa-pod/object", test_spa_pod_object);
+ g_test_add_func ("/wp/spa-pod/struct", test_spa_pod_struct);
+ g_test_add_func ("/wp/spa-pod/sequence", test_spa_pod_sequence);
+ g_test_add_func ("/wp/spa-pod/iterator", test_spa_pod_iterator);
+ g_test_add_func ("/wp/spa-pod/unique-owner", test_spa_pod_unique_owner);
+
+ return g_test_run ();
+}