PipeWire
0.3.38
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A link is the connection between 2 nodes (PipeWire Node). More...
Data Structures | |
struct | pw_link_info |
The link information. More... | |
struct | pw_link_events |
Link events. More... | |
struct | pw_link_methods |
Link methods. More... | |
Macros | |
#define | PW_TYPE_INTERFACE_Link PW_TYPE_INFO_INTERFACE_BASE "Link" |
#define | PW_VERSION_LINK 3 |
#define | PW_LINK_EVENT_INFO 0 |
#define | PW_LINK_EVENT_NUM 1 |
#define | PW_LINK_METHOD_ADD_LISTENER 0 |
#define | PW_LINK_METHOD_NUM 1 |
#define | pw_link_method(o, method, version, ...) |
#define | pw_link_add_listener(c, ...) pw_link_method(c,add_listener,0,__VA_ARGS__) |
Enumerations | |
enum | pw_link_state { PW_LINK_STATE_ERROR = -2, PW_LINK_STATE_UNLINKED = -1, PW_LINK_STATE_INIT = 0, PW_LINK_STATE_NEGOTIATING = 1, PW_LINK_STATE_ALLOCATING = 2, PW_LINK_STATE_PAUSED = 3, PW_LINK_STATE_ACTIVE = 4 } |
The different link states. More... | |
Functions | |
const char * | pw_link_state_as_string (enum pw_link_state state) |
Convert a pw_link_state to a readable string. More... | |
struct pw_link_info * | pw_link_info_update (struct pw_link_info *info, const struct pw_link_info *update) |
struct pw_link_info * | pw_link_info_merge (struct pw_link_info *info, const struct pw_link_info *update, bool reset) |
void | pw_link_info_free (struct pw_link_info *info) |
A link is the connection between 2 nodes (PipeWire Node).
Nodes are linked together on ports.
The link is responsible for negotiating the format and buffers for the nodes.
#define pw_link_add_listener | ( | c, | |
... | |||
) | pw_link_method(c,add_listener,0,__VA_ARGS__) |
#define PW_LINK_EVENT_INFO 0 |
#define PW_LINK_EVENT_NUM 1 |
#define pw_link_method | ( | o, | |
method, | |||
version, | |||
... | |||
) |
#define PW_LINK_METHOD_ADD_LISTENER 0 |
#define PW_LINK_METHOD_NUM 1 |
#define PW_TYPE_INTERFACE_Link PW_TYPE_INFO_INTERFACE_BASE "Link" |
Referenced by pipewire__module_init(), and pw_impl_link_register().
#define PW_VERSION_LINK 3 |
Referenced by pipewire__module_init(), and pw_impl_link_register().
enum pw_link_state |
The different link states.
void pw_link_info_free | ( | struct pw_link_info * | info | ) |
References pw_link_info::error, pw_link_info::format, and pw_link_info::props.
struct pw_link_info* pw_link_info_merge | ( | struct pw_link_info * | info, |
const struct pw_link_info * | update, | ||
bool | reset | ||
) |
References pw_link_info::change_mask, pw_link_info::error, pw_link_info::format, pw_link_info::id, pw_link_info::input_node_id, pw_link_info::input_port_id, pw_link_info::output_node_id, pw_link_info::output_port_id, pw_link_info::props, PW_LINK_CHANGE_MASK_FORMAT, PW_LINK_CHANGE_MASK_PROPS, PW_LINK_CHANGE_MASK_STATE, spa_pod_copy(), and pw_link_info::state.
Referenced by pw_link_info_update().
struct pw_link_info* pw_link_info_update | ( | struct pw_link_info * | info, |
const struct pw_link_info * | update | ||
) |
References pw_link_info_merge().
const char* pw_link_state_as_string | ( | enum pw_link_state | state | ) |
Convert a pw_link_state to a readable string.
References PW_LINK_STATE_ACTIVE, PW_LINK_STATE_ALLOCATING, PW_LINK_STATE_ERROR, PW_LINK_STATE_INIT, PW_LINK_STATE_NEGOTIATING, PW_LINK_STATE_PAUSED, and PW_LINK_STATE_UNLINKED.
Referenced by pw_impl_link_activate().