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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/pipewire/spa/pod/pod.h
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/pipewire/spa/pod/pod.h')
-rw-r--r--third_party/pipewire/spa/pod/pod.h246
1 files changed, 246 insertions, 0 deletions
diff --git a/third_party/pipewire/spa/pod/pod.h b/third_party/pipewire/spa/pod/pod.h
new file mode 100644
index 0000000000..2d2eaad6a1
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+++ b/third_party/pipewire/spa/pod/pod.h
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+/* Simple Plugin API
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SPA_POD_H
+#define SPA_POD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <spa/utils/defs.h>
+#include <spa/utils/type.h>
+
+/**
+ * \addtogroup spa_pod
+ * \{
+ */
+
+#define SPA_POD_BODY_SIZE(pod) (((struct spa_pod*)(pod))->size)
+#define SPA_POD_TYPE(pod) (((struct spa_pod*)(pod))->type)
+#define SPA_POD_SIZE(pod) (sizeof(struct spa_pod) + SPA_POD_BODY_SIZE(pod))
+#define SPA_POD_CONTENTS_SIZE(type,pod) (SPA_POD_SIZE(pod)-sizeof(type))
+
+#define SPA_POD_CONTENTS(type,pod) SPA_PTROFF((pod),sizeof(type),void)
+#define SPA_POD_CONTENTS_CONST(type,pod) SPA_PTROFF((pod),sizeof(type),const void)
+#define SPA_POD_BODY(pod) SPA_PTROFF((pod),sizeof(struct spa_pod),void)
+#define SPA_POD_BODY_CONST(pod) SPA_PTROFF((pod),sizeof(struct spa_pod),const void)
+
+struct spa_pod {
+ uint32_t size; /* size of the body */
+ uint32_t type; /* a basic id of enum spa_type */
+};
+
+#define SPA_POD_VALUE(type,pod) (((type*)pod)->value)
+
+struct spa_pod_bool {
+ struct spa_pod pod;
+ int32_t value;
+ int32_t _padding;
+};
+
+struct spa_pod_id {
+ struct spa_pod pod;
+ uint32_t value;
+ int32_t _padding;
+};
+
+struct spa_pod_int {
+ struct spa_pod pod;
+ int32_t value;
+ int32_t _padding;
+};
+
+struct spa_pod_long {
+ struct spa_pod pod;
+ int64_t value;
+};
+
+struct spa_pod_float {
+ struct spa_pod pod;
+ float value;
+ int32_t _padding;
+};
+
+struct spa_pod_double {
+ struct spa_pod pod;
+ double value;
+};
+
+struct spa_pod_string {
+ struct spa_pod pod;
+ /* value here */
+};
+
+struct spa_pod_bytes {
+ struct spa_pod pod;
+ /* value here */
+};
+
+struct spa_pod_rectangle {
+ struct spa_pod pod;
+ struct spa_rectangle value;
+};
+
+struct spa_pod_fraction {
+ struct spa_pod pod;
+ struct spa_fraction value;
+};
+
+struct spa_pod_bitmap {
+ struct spa_pod pod;
+ /* array of uint8_t follows with the bitmap */
+};
+
+#define SPA_POD_ARRAY_CHILD(arr) (&((struct spa_pod_array*)(arr))->body.child)
+#define SPA_POD_ARRAY_VALUE_TYPE(arr) (SPA_POD_TYPE(SPA_POD_ARRAY_CHILD(arr)))
+#define SPA_POD_ARRAY_VALUE_SIZE(arr) (SPA_POD_BODY_SIZE(SPA_POD_ARRAY_CHILD(arr)))
+#define SPA_POD_ARRAY_N_VALUES(arr) (SPA_POD_ARRAY_VALUE_SIZE(arr) ? ((SPA_POD_BODY_SIZE(arr) - sizeof(struct spa_pod_array_body)) / SPA_POD_ARRAY_VALUE_SIZE(arr)) : 0)
+#define SPA_POD_ARRAY_VALUES(arr) SPA_POD_CONTENTS(struct spa_pod_array, arr)
+
+struct spa_pod_array_body {
+ struct spa_pod child;
+ /* array with elements of child.size follows */
+};
+
+struct spa_pod_array {
+ struct spa_pod pod;
+ struct spa_pod_array_body body;
+};
+
+#define SPA_POD_CHOICE_CHILD(choice) (&((struct spa_pod_choice*)(choice))->body.child)
+#define SPA_POD_CHOICE_TYPE(choice) (((struct spa_pod_choice*)(choice))->body.type)
+#define SPA_POD_CHOICE_FLAGS(choice) (((struct spa_pod_choice*)(choice))->body.flags)
+#define SPA_POD_CHOICE_VALUE_TYPE(choice) (SPA_POD_TYPE(SPA_POD_CHOICE_CHILD(choice)))
+#define SPA_POD_CHOICE_VALUE_SIZE(choice) (SPA_POD_BODY_SIZE(SPA_POD_CHOICE_CHILD(choice)))
+#define SPA_POD_CHOICE_N_VALUES(choice) (SPA_POD_CHOICE_VALUE_SIZE(choice) ? ((SPA_POD_BODY_SIZE(choice) - sizeof(struct spa_pod_choice_body)) / SPA_POD_CHOICE_VALUE_SIZE(choice)) : 0)
+#define SPA_POD_CHOICE_VALUES(choice) (SPA_POD_CONTENTS(struct spa_pod_choice, choice))
+
+enum spa_choice_type {
+ SPA_CHOICE_None, /**< no choice, first value is current */
+ SPA_CHOICE_Range, /**< range: default, min, max */
+ SPA_CHOICE_Step, /**< range with step: default, min, max, step */
+ SPA_CHOICE_Enum, /**< list: default, alternative,... */
+ SPA_CHOICE_Flags, /**< flags: default, possible flags,... */
+};
+
+struct spa_pod_choice_body {
+ uint32_t type; /**< type of choice, one of enum spa_choice_type */
+ uint32_t flags; /**< extra flags */
+ struct spa_pod child;
+ /* array with elements of child.size follows. Note that there might be more
+ * elements than required by \a type, which should be ignored. */
+};
+
+struct spa_pod_choice {
+ struct spa_pod pod;
+ struct spa_pod_choice_body body;
+};
+
+struct spa_pod_struct {
+ struct spa_pod pod;
+ /* one or more spa_pod follow */
+};
+
+#define SPA_POD_OBJECT_TYPE(obj) (((struct spa_pod_object*)(obj))->body.type)
+#define SPA_POD_OBJECT_ID(obj) (((struct spa_pod_object*)(obj))->body.id)
+
+struct spa_pod_object_body {
+ uint32_t type; /**< one of enum spa_type */
+ uint32_t id; /**< id of the object, depends on the object type */
+ /* contents follow, series of spa_pod_prop */
+};
+
+struct spa_pod_object {
+ struct spa_pod pod;
+ struct spa_pod_object_body body;
+};
+
+struct spa_pod_pointer_body {
+ uint32_t type; /**< pointer id, one of enum spa_type */
+ uint32_t _padding;
+ const void *value;
+};
+
+struct spa_pod_pointer {
+ struct spa_pod pod;
+ struct spa_pod_pointer_body body;
+};
+
+struct spa_pod_fd {
+ struct spa_pod pod;
+ int64_t value;
+};
+
+#define SPA_POD_PROP_SIZE(prop) (sizeof(struct spa_pod_prop) + (prop)->value.size)
+
+/* props can be inside an object */
+struct spa_pod_prop {
+ uint32_t key; /**< key of property, list of valid keys depends on the
+ * object type */
+#define SPA_POD_PROP_FLAG_READONLY (1u<<0) /**< is read-only */
+#define SPA_POD_PROP_FLAG_HARDWARE (1u<<1) /**< some sort of hardware parameter */
+#define SPA_POD_PROP_FLAG_HINT_DICT (1u<<2) /**< contains a dictionary struct as
+ * (Struct(
+ * Int : n_items,
+ * (String : key,
+ * String : value)*)) */
+#define SPA_POD_PROP_FLAG_MANDATORY (1u<<3) /**< is mandatory */
+#define SPA_POD_PROP_FLAG_DONT_FIXATE (1u<<4) /**< choices need no fixation */
+ uint32_t flags; /**< flags for property */
+ struct spa_pod value;
+ /* value follows */
+};
+
+#define SPA_POD_CONTROL_SIZE(ev) (sizeof(struct spa_pod_control) + (ev)->value.size)
+
+/* controls can be inside a sequence and mark timed values */
+struct spa_pod_control {
+ uint32_t offset; /**< media offset */
+ uint32_t type; /**< type of control, enum spa_control_type */
+ struct spa_pod value; /**< control value, depends on type */
+ /* value contents follow */
+};
+
+struct spa_pod_sequence_body {
+ uint32_t unit;
+ uint32_t pad;
+ /* series of struct spa_pod_control follows */
+};
+
+/** a sequence of timed controls */
+struct spa_pod_sequence {
+ struct spa_pod pod;
+ struct spa_pod_sequence_body body;
+};
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* SPA_POD_H */