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node: add port and node params

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Add a new struct spa_param_info that lists the available params on
a node/port and if they are readable/writable/updated. We can use
this to replace and improve the PARAM_List and also to notify
property change and updates.

Update elements and code to deal with this new param stuff. Add
port and node info to most elements and signal changes.

Use async enum_params in -inspect and use the param info to know
which ones to enumerate.

Use the port info to know what parameters to update in the
remote-node.
This commit is contained in:
Wim Taymans 2019-02-27 16:43:01 +01:00
parent 3d25adc598
commit 499dd3ff22
52 changed files with 1979 additions and 1461 deletions
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10
src/pipewire/private.h
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@ -261,7 +261,8 @@ struct pw_device {
struct spa_hook global_listener;
struct pw_properties *properties; /**< properties of the device */
struct pw_device_info info; /**< introspectable device info */
struct pw_device_info info; /**< introspectable device info */
struct spa_param_info params[32];
struct spa_device *implementation; /**< implementation */
struct spa_hook_list listener_list;
@ -333,6 +334,7 @@ struct pw_node {
struct pw_properties *properties; /**< properties of the node */
struct pw_node_info info; /**< introspectable node info */
struct spa_param_info params[32];
int registered:1;
int enabled:1; /**< if the node is enabled */
@ -440,6 +442,7 @@ struct pw_port {
struct pw_properties *properties; /**< properties of the port */
struct pw_port_info info;
struct spa_param_info params[32];
struct allocation allocation;
@ -700,10 +703,11 @@ const struct pw_export_type *pw_core_find_export_type(struct pw_core *core, uint
struct pw_port *
pw_port_new(enum pw_direction direction,
uint32_t port_id,
uint32_t spa_flags,
struct pw_properties *properties,
const struct spa_port_info *info,
size_t user_data_size);
void pw_port_update_info(struct pw_port *port, const struct spa_port_info *info);
int pw_port_register(struct pw_port *port,
struct pw_client *owner,
struct pw_global *parent,