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introspect-funcs.h
Go to the documentation of this file.
/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2020 Collabora Ltd. */
/* @author George Kiagiadakis <george.kiagiadakis@collabora.com> */
/* SPDX-License-Identifier: MIT */
#ifndef PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H
#define PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H
#include "introspect.h"
#include <spa/pod/builder.h>
#include <pipewire/pipewire.h>
#ifdef __cplusplus
extern "C" {
#endif
static inline struct pw_session_info *
pw_session_info_update (struct pw_session_info *info,
const struct pw_session_info *update)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_session_info info;
} *ext;
if (update == NULL)
return info;
if (info == NULL) {
ext = (struct extended_info *) calloc(1, sizeof(*ext));
if (ext == NULL)
return NULL;
info = &ext->info;
info->id = update->id;
} else {
ext = SPA_CONTAINER_OF(info, struct extended_info, info);
}
info->change_mask = update->change_mask;
if (update->change_mask & PW_SESSION_CHANGE_MASK_PROPS) {
if (!ext->props_storage) {
ext->props_storage = pw_properties_new(NULL, NULL);
info->props = &ext->props_storage->dict;
}
pw_properties_clear(ext->props_storage);
pw_properties_update(ext->props_storage, update->props);
}
if (update->change_mask & PW_SESSION_CHANGE_MASK_PARAMS) {
info->n_params = update->n_params;
free((void *) info->params);
if (update->params) {
size_t size = info->n_params * sizeof(struct spa_param_info);
info->params = (struct spa_param_info *) malloc(size);
memcpy(info->params, update->params, size);
}
else
info->params = NULL;
}
return info;
}
static inline void
pw_session_info_free (struct pw_session_info *info)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_session_info info;
} *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
pw_properties_free(ext->props_storage);
free((void *) info->params);
free(ext);
}
static inline struct pw_endpoint_info *
pw_endpoint_info_update (struct pw_endpoint_info *info,
const struct pw_endpoint_info *update)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_endpoint_info info;
} *ext;
if (update == NULL)
return info;
if (info == NULL) {
ext = (struct extended_info *) calloc(1, sizeof(*ext));
if (ext == NULL)
return NULL;
info = &ext->info;
info->id = update->id;
info->name = strdup(update->name);
info->media_class = strdup(update->media_class);
info->direction = update->direction;
info->flags = update->flags;
} else {
ext = SPA_CONTAINER_OF(info, struct extended_info, info);
}
info->change_mask = update->change_mask;
if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_STREAMS)
info->n_streams = update->n_streams;
if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_SESSION)
info->session_id = update->session_id;
if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PROPS) {
if (!ext->props_storage) {
ext->props_storage = pw_properties_new(NULL, NULL);
info->props = &ext->props_storage->dict;
}
pw_properties_clear(ext->props_storage);
pw_properties_update(ext->props_storage, update->props);
}
if (update->change_mask & PW_ENDPOINT_CHANGE_MASK_PARAMS) {
info->n_params = update->n_params;
free((void *) info->params);
if (update->params) {
size_t size = info->n_params * sizeof(struct spa_param_info);
info->params = (struct spa_param_info *) malloc(size);
memcpy(info->params, update->params, size);
}
else
info->params = NULL;
}
return info;
}
static inline void
pw_endpoint_info_free (struct pw_endpoint_info *info)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_endpoint_info info;
} *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
pw_properties_free(ext->props_storage);
free(info->name);
free(info->media_class);
free((void *) info->params);
free(ext);
}
static inline struct pw_endpoint_stream_info *
pw_endpoint_stream_info_update (struct pw_endpoint_stream_info *info,
const struct pw_endpoint_stream_info *update)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_endpoint_stream_info info;
} *ext;
if (update == NULL)
return info;
if (info == NULL) {
ext = (struct extended_info *) calloc(1, sizeof(*ext));
if (ext == NULL)
return NULL;
info = &ext->info;
info->id = update->id;
info->endpoint_id = update->endpoint_id;
info->name = strdup(update->name);
} else {
ext = SPA_CONTAINER_OF(info, struct extended_info, info);
}
info->change_mask = update->change_mask;
if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS) {
free(info->link_params);
info->link_params = update->link_params ?
spa_pod_copy(update->link_params) : NULL;
}
if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS) {
if (!ext->props_storage) {
ext->props_storage = pw_properties_new(NULL, NULL);
info->props = &ext->props_storage->dict;
}
pw_properties_clear(ext->props_storage);
pw_properties_update(ext->props_storage, update->props);
}
if (update->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS) {
info->n_params = update->n_params;
free((void *) info->params);
if (update->params) {
size_t size = info->n_params * sizeof(struct spa_param_info);
info->params = (struct spa_param_info *) malloc(size);
memcpy(info->params, update->params, size);
}
else
info->params = NULL;
}
return info;
}
static inline void
pw_endpoint_stream_info_free (struct pw_endpoint_stream_info *info)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_endpoint_stream_info info;
} *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
pw_properties_free(ext->props_storage);
free(info->name);
free(info->link_params);
free((void *) info->params);
free(ext);
}
static inline struct pw_endpoint_link_info *
pw_endpoint_link_info_update (struct pw_endpoint_link_info *info,
const struct pw_endpoint_link_info *update)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_endpoint_link_info info;
} *ext;
if (update == NULL)
return info;
if (info == NULL) {
ext = (struct extended_info *) calloc(1, sizeof(*ext));
if (ext == NULL)
return NULL;
info = &ext->info;
info->id = update->id;
info->session_id = update->session_id;
info->output_endpoint_id = update->output_endpoint_id;
info->output_stream_id = update->output_stream_id;
info->input_endpoint_id = update->input_endpoint_id;
info->input_stream_id = update->input_stream_id;
} else {
ext = SPA_CONTAINER_OF(info, struct extended_info, info);
}
info->change_mask = update->change_mask;
if (update->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_STATE) {
info->state = update->state;
free(info->error);
info->error = update->error ? strdup(update->error) : NULL;
}
if (update->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_PROPS) {
if (!ext->props_storage) {
ext->props_storage = pw_properties_new(NULL, NULL);
info->props = &ext->props_storage->dict;
}
pw_properties_clear(ext->props_storage);
pw_properties_update(ext->props_storage, update->props);
}
if (update->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS) {
info->n_params = update->n_params;
free((void *) info->params);
if (update->params) {
size_t size = info->n_params * sizeof(struct spa_param_info);
info->params = (struct spa_param_info *) malloc(size);
memcpy(info->params, update->params, size);
}
else
info->params = NULL;
}
return info;
}
static inline void
pw_endpoint_link_info_free (struct pw_endpoint_link_info *info)
{
struct extended_info {
struct pw_properties *props_storage;
struct pw_endpoint_link_info info;
} *ext = SPA_CONTAINER_OF(info, struct extended_info, info);
pw_properties_free(ext->props_storage);
free(info->error);
free((void *) info->params);
free(ext);
}
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* PIPEWIRE_EXT_SESSION_MANAGER_INTROSPECT_FUNCS_H */
builder.h
spa/pod/builder.h
pw_properties_free
void pw_properties_free(struct pw_properties *properties)
Free a properties object.
Definition properties.c:559
pw_properties_new
struct pw_properties * pw_properties_new(const char *key,...)
Make a new properties object.
Definition properties.c:97
pw_properties_update
int pw_properties_update(struct pw_properties *props, const struct spa_dict *dict)
Update properties.
Definition properties.c:478
pw_properties_clear
void pw_properties_clear(struct pw_properties *properties)
Clear a properties object.
Definition properties.c:457
PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS
#define PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS
Definition introspect.h:91
pw_endpoint_info_free
static void pw_endpoint_info_free(struct pw_endpoint_info *info)
Definition introspect-funcs.h:144
PW_SESSION_CHANGE_MASK_PROPS
#define PW_SESSION_CHANGE_MASK_PROPS
Definition introspect.h:39
PW_ENDPOINT_CHANGE_MASK_SESSION
#define PW_ENDPOINT_CHANGE_MASK_SESSION
Definition introspect.h:64
PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS
#define PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS
Definition introspect.h:89
PW_ENDPOINT_CHANGE_MASK_STREAMS
#define PW_ENDPOINT_CHANGE_MASK_STREAMS
Definition introspect.h:62
pw_session_info_free
static void pw_session_info_free(struct pw_session_info *info)
Definition introspect-funcs.h:74
pw_session_info_update
static struct pw_session_info * pw_session_info_update(struct pw_session_info *info, const struct pw_session_info *update)
Definition introspect-funcs.h:27
PW_ENDPOINT_CHANGE_MASK_PROPS
#define PW_ENDPOINT_CHANGE_MASK_PROPS
Definition introspect.h:66
PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS
#define PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS
Definition introspect.h:116
pw_endpoint_stream_info_update
static struct pw_endpoint_stream_info * pw_endpoint_stream_info_update(struct pw_endpoint_stream_info *info, const struct pw_endpoint_stream_info *update)
Definition introspect-funcs.h:159
pw_endpoint_link_info_update
static struct pw_endpoint_link_info * pw_endpoint_link_info_update(struct pw_endpoint_link_info *info, const struct pw_endpoint_link_info *update)
Definition introspect-funcs.h:229
PW_ENDPOINT_CHANGE_MASK_PARAMS
#define PW_ENDPOINT_CHANGE_MASK_PARAMS
Definition introspect.h:68
PW_ENDPOINT_LINK_CHANGE_MASK_PROPS
#define PW_ENDPOINT_LINK_CHANGE_MASK_PROPS
Definition introspect.h:114
PW_SESSION_CHANGE_MASK_PARAMS
#define PW_SESSION_CHANGE_MASK_PARAMS
Definition introspect.h:41
pw_endpoint_stream_info_free
static void pw_endpoint_stream_info_free(struct pw_endpoint_stream_info *info)
Definition introspect-funcs.h:213
pw_endpoint_link_info_free
static void pw_endpoint_link_info_free(struct pw_endpoint_link_info *info)
Definition introspect-funcs.h:286
PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS
#define PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS
Definition introspect.h:87
pw_endpoint_info_update
static struct pw_endpoint_info * pw_endpoint_info_update(struct pw_endpoint_info *info, const struct pw_endpoint_info *update)
Definition introspect-funcs.h:87
PW_ENDPOINT_LINK_CHANGE_MASK_STATE
#define PW_ENDPOINT_LINK_CHANGE_MASK_STATE
Definition introspect.h:112
spa_pod_copy
SPA_API_POD_BUILDER struct spa_pod * spa_pod_copy(const struct spa_pod *pod)
Copy a pod structure.
Definition builder.h:754
SPA_CONTAINER_OF
#define SPA_CONTAINER_OF(p, t, m)
Definition defs.h:235
introspect.h
pipewire/extensions/session-manager/introspect.h
pipewire.h
pipewire/pipewire.h
pw_endpoint_info
Definition introspect.h:50
pw_endpoint_info::params
struct spa_param_info * params
parameters
Definition introspect.h:75
pw_endpoint_info::id
uint32_t id
the endpoint id (global)
Definition introspect.h:54
pw_endpoint_info::change_mask
uint64_t change_mask
bitfield of changed fields since last call
Definition introspect.h:71
pw_endpoint_info::direction
enum pw_direction direction
direction of the endpoint
Definition introspect.h:57
pw_endpoint_info::n_params
uint32_t n_params
number of items in params
Definition introspect.h:76
pw_endpoint_info::flags
uint32_t flags
additional flags
Definition introspect.h:60
pw_endpoint_info::media_class
char * media_class
media class of the endpoint
Definition introspect.h:56
pw_endpoint_info::session_id
uint32_t session_id
the id of the controlling session
Definition introspect.h:73
pw_endpoint_info::n_streams
uint32_t n_streams
number of streams available
Definition introspect.h:72
pw_endpoint_link_info
Definition introspect.h:101
pw_endpoint_link_info::id
uint32_t id
the link id (global)
Definition introspect.h:105
pw_endpoint_link_info::change_mask
uint64_t change_mask
bitfield of changed fields since last call
Definition introspect.h:119
pw_endpoint_link_info::output_endpoint_id
uint32_t output_endpoint_id
the output endpoint id (global)
Definition introspect.h:107
pw_endpoint_link_info::input_endpoint_id
uint32_t input_endpoint_id
the input endpoint id (global)
Definition introspect.h:109
pw_endpoint_link_info::error
char * error
error string if state == ERROR
Definition introspect.h:121
pw_endpoint_link_info::params
struct spa_param_info * params
parameters
Definition introspect.h:123
pw_endpoint_link_info::state
enum pw_endpoint_link_state state
the state of the link
Definition introspect.h:120
pw_endpoint_link_info::n_params
uint32_t n_params
number of items in params
Definition introspect.h:124
pw_endpoint_link_info::output_stream_id
uint32_t output_stream_id
the output stream id (local or global)
Definition introspect.h:108
pw_endpoint_link_info::input_stream_id
uint32_t input_stream_id
the input stream id (local or global)
Definition introspect.h:110
pw_endpoint_link_info::session_id
uint32_t session_id
the session id (global)
Definition introspect.h:106
pw_endpoint_stream_info
Definition introspect.h:79
pw_endpoint_stream_info::n_params
uint32_t n_params
number of items in params
Definition introspect.h:98
pw_endpoint_stream_info::params
struct spa_param_info * params
parameters
Definition introspect.h:97
pw_endpoint_stream_info::endpoint_id
uint32_t endpoint_id
the endpoint id (global)
Definition introspect.h:84
pw_endpoint_stream_info::link_params
struct spa_pod * link_params
information for linking this stream
Definition introspect.h:95
pw_endpoint_stream_info::id
uint32_t id
the stream id (local or global)
Definition introspect.h:83
pw_endpoint_stream_info::change_mask
uint64_t change_mask
bitfield of changed fields since last call
Definition introspect.h:94
pw_properties
Definition properties.h:39
pw_session_info
Definition introspect.h:33
pw_session_info::params
struct spa_param_info * params
parameters
Definition introspect.h:46
pw_session_info::change_mask
uint64_t change_mask
bitfield of changed fields since last call
Definition introspect.h:44
pw_session_info::id
uint32_t id
the session id (global)
Definition introspect.h:37
pw_session_info::n_params
uint32_t n_params
number of items in params
Definition introspect.h:47
spa_param_info
information about a parameter
Definition param.h:56