A link is the connection between 2 nodes (Node). Nodes are linked together on ports.
The link is responsible for negotiating the format and buffers for the nodes.
◆ pw_link_state
The different link states.
Enumerator |
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PW_LINK_STATE_ERROR | the link is in error
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PW_LINK_STATE_UNLINKED | the link is unlinked
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PW_LINK_STATE_INIT | the link is initialized
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PW_LINK_STATE_NEGOTIATING | the link is negotiating formats
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PW_LINK_STATE_ALLOCATING | the link is allocating buffers
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PW_LINK_STATE_PAUSED | the link is paused
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PW_LINK_STATE_ACTIVE | the link is active
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◆ PW_TYPE_INTERFACE_Link
◆ PW_LINK_PERM_MASK
◆ PW_VERSION_LINK
#define PW_VERSION_LINK 3 |
◆ PW_LINK_CHANGE_MASK_STATE
#define PW_LINK_CHANGE_MASK_STATE (1 << 0) |
◆ PW_LINK_CHANGE_MASK_FORMAT
#define PW_LINK_CHANGE_MASK_FORMAT (1 << 1) |
◆ PW_LINK_CHANGE_MASK_PROPS
#define PW_LINK_CHANGE_MASK_PROPS (1 << 2) |
◆ PW_LINK_CHANGE_MASK_ALL
#define PW_LINK_CHANGE_MASK_ALL ((1 << 3)-1) |
◆ PW_LINK_EVENT_INFO
#define PW_LINK_EVENT_INFO 0 |
◆ PW_LINK_EVENT_NUM
#define PW_LINK_EVENT_NUM 1 |
◆ PW_VERSION_LINK_EVENTS
#define PW_VERSION_LINK_EVENTS 0 |
◆ PW_LINK_METHOD_ADD_LISTENER
#define PW_LINK_METHOD_ADD_LISTENER 0 |
◆ PW_LINK_METHOD_NUM
#define PW_LINK_METHOD_NUM 1 |
◆ PW_VERSION_LINK_METHODS
#define PW_VERSION_LINK_METHODS 0 |
◆ pw_link_method
#define pw_link_method |
( |
| o, |
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| method, |
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| version, |
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| ... ) |
◆ pw_link_add_listener
#define pw_link_add_listener |
( |
| c, |
|
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| ... ) pw_link_method(c,add_listener,0,__VA_ARGS__) |
◆ pw_link_state_as_string()
◆ pw_link_info_update()
◆ pw_link_info_merge()
◆ pw_link_info_free()