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node: add User command and event

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Add a User command and event id with a String property called 'extra' to
make it possible to send arbitrary User defined commands and events.
Also makes it possible to make User commands in pw-cli.

pw-cli c 86 User '{ extra="{ test: foo }" }'
This commit is contained in:
Wim Taymans 2025-05-20 10:32:10 +02:00
parent 5a54ecd8df
commit 7dc1d28b2c
3 changed files with 28 additions and 2 deletions
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12
spa/include/spa/node/command.h
View file

@ -36,12 +36,24 @@ enum spa_node_command {
SPA_NODE_COMMAND_ParamEnd, /**< end a transaction */
SPA_NODE_COMMAND_RequestProcess,/**< Sent to a driver when some other node emitted
* the RequestProcess event. */
SPA_NODE_COMMAND_User, /**< User defined command */
};
#define SPA_NODE_COMMAND_ID(cmd) SPA_COMMAND_ID(cmd, SPA_TYPE_COMMAND_Node)
#define SPA_NODE_COMMAND_INIT(id) SPA_COMMAND_INIT(SPA_TYPE_COMMAND_Node, id)
/* properties for SPA_TYPE_COMMAND_Node */
enum spa_command_node {
SPA_COMMAND_NODE_START,
SPA_COMMAND_NODE_START_User = 0x1000,
SPA_COMMAND_NODE_extra, /** extra info (String) */
SPA_COMMAND_NODE_START_CUSTOM = 0x1000000,
};
/**
* \}
*/

6
spa/include/spa/node/event.h
View file

@ -23,6 +23,7 @@ enum spa_node_event {
SPA_NODE_EVENT_RequestRefresh,
SPA_NODE_EVENT_RequestProcess, /*< Ask the driver to start processing
* the graph */
SPA_NODE_EVENT_User, /* User defined event */
};
#define SPA_NODE_EVENT_ID(ev) SPA_EVENT_ID(ev, SPA_TYPE_EVENT_Node)
@ -31,6 +32,11 @@ enum spa_node_event {
/* properties for SPA_TYPE_EVENT_Node */
enum spa_event_node {
SPA_EVENT_NODE_START,
SPA_EVENT_NODE_START_User = 0x1000,
SPA_EVENT_NODE_extra, /** extra info (String) */
SPA_EVENT_NODE_START_CUSTOM = 0x1000000,
};
/**

12
spa/include/spa/node/type-info.h
View file

@ -46,16 +46,20 @@ static const struct spa_type_info spa_type_node_event_id[] = {
{ SPA_NODE_EVENT_Buffering, SPA_TYPE_EVENT_Node, SPA_TYPE_INFO_NODE_EVENT_BASE "Buffering", NULL },
{ SPA_NODE_EVENT_RequestRefresh, SPA_TYPE_EVENT_Node, SPA_TYPE_INFO_NODE_EVENT_BASE "RequestRefresh", NULL },
{ SPA_NODE_EVENT_RequestProcess, SPA_TYPE_EVENT_Node, SPA_TYPE_INFO_NODE_EVENT_BASE "RequestProcess", NULL },
{ SPA_NODE_EVENT_User, SPA_TYPE_EVENT_Node, SPA_TYPE_INFO_NODE_EVENT_BASE "User", NULL },
{ 0, 0, NULL, NULL },
};
static const struct spa_type_info spa_type_node_event[] = {
{ SPA_EVENT_NODE_START, SPA_TYPE_Id, SPA_TYPE_INFO_NODE_EVENT_BASE, spa_type_node_event_id },
{ SPA_EVENT_NODE_extra, SPA_TYPE_String, SPA_TYPE_INFO_NODE_EVENT_BASE "extra", NULL },
{ 0, 0, NULL, NULL },
};
#define SPA_TYPE_INFO_NodeCommand SPA_TYPE_INFO_COMMAND_BASE "Node"
#define SPA_TYPE_INFO_NODE_COMMAND_BASE SPA_TYPE_INFO_NodeCommand ":"
#define SPA_TYPE_INFO_NODE_COMMAND_BASE SPA_TYPE_INFO_NodeCommand ":"
static const struct spa_type_info spa_type_node_command_id[] = {
{ SPA_NODE_COMMAND_Suspend, SPA_TYPE_COMMAND_Node, SPA_TYPE_INFO_NODE_COMMAND_BASE "Suspend", NULL },
@ -69,11 +73,15 @@ static const struct spa_type_info spa_type_node_command_id[] = {
{ SPA_NODE_COMMAND_ParamBegin, SPA_TYPE_COMMAND_Node, SPA_TYPE_INFO_NODE_COMMAND_BASE "ParamBegin", NULL },
{ SPA_NODE_COMMAND_ParamEnd, SPA_TYPE_COMMAND_Node, SPA_TYPE_INFO_NODE_COMMAND_BASE "ParamEnd", NULL },
{ SPA_NODE_COMMAND_RequestProcess, SPA_TYPE_COMMAND_Node, SPA_TYPE_INFO_NODE_COMMAND_BASE "RequestProcess", NULL },
{ SPA_NODE_COMMAND_User, SPA_TYPE_COMMAND_Node, SPA_TYPE_INFO_NODE_COMMAND_BASE "User", NULL },
{ 0, 0, NULL, NULL },
};
static const struct spa_type_info spa_type_node_command[] = {
{ 0, SPA_TYPE_Id, SPA_TYPE_INFO_NODE_COMMAND_BASE, spa_type_node_command_id },
{ SPA_COMMAND_NODE_START, SPA_TYPE_Id, SPA_TYPE_INFO_NODE_COMMAND_BASE, spa_type_node_command_id },
{ SPA_COMMAND_NODE_extra, SPA_TYPE_String, SPA_TYPE_INFO_NODE_COMMAND_BASE "extra", NULL },
{ 0, 0, NULL, NULL },
};