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lib: Implement obs-websocket event callback access

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This allows plugins to listen directly for obs-websocket events.
This commit is contained in:
tt2468 2024-04-23 01:50:11 -07:00
parent 179e197bd5
commit ee283c7141
1 changed files with 48 additions and 7 deletions
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55
lib/obs-websocket-api.h
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@ -22,7 +22,7 @@ with this program. If not, see <https://www.gnu.org/licenses/>
#include <obs.h> #include <obs.h>
#define OBS_WEBSOCKET_API_VERSION 2 #define OBS_WEBSOCKET_API_VERSION 3
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
@ -30,6 +30,7 @@ extern "C" {
typedef void *obs_websocket_vendor; typedef void *obs_websocket_vendor;
typedef void (*obs_websocket_request_callback_function)(obs_data_t *, obs_data_t *, void *); typedef void (*obs_websocket_request_callback_function)(obs_data_t *, obs_data_t *, void *);
typedef void (*obs_websocket_event_callback_function)(uint64_t, const char *, const char *, void *);
struct obs_websocket_request_response { struct obs_websocket_request_response {
unsigned int status_code; unsigned int status_code;
@ -44,6 +45,11 @@ struct obs_websocket_request_callback {
void *priv_data; void *priv_data;
}; };
struct obs_websocket_event_callback {
obs_websocket_event_callback_function callback;
void *priv_data;
};
static proc_handler_t *_ph; static proc_handler_t *_ph;
/* ==================== INTERNAL API FUNCTIONS ==================== */ /* ==================== INTERNAL API FUNCTIONS ==================== */
@ -118,7 +124,6 @@ static inline struct obs_websocket_request_response *obs_websocket_call_request(
request_data_string = obs_data_get_json(request_data); request_data_string = obs_data_get_json(request_data);
calldata_t cd = {0, 0, 0, 0}; calldata_t cd = {0, 0, 0, 0};
calldata_set_string(&cd, "request_type", request_type); calldata_set_string(&cd, "request_type", request_type);
calldata_set_string(&cd, "request_data", request_data_string); calldata_set_string(&cd, "request_data", request_data_string);
@ -144,6 +149,46 @@ static inline void obs_websocket_request_response_free(struct obs_websocket_requ
bfree(response); bfree(response);
} }
// Register an event handler to receive obs-websocket events
static inline bool obs_websocket_register_event_callback(obs_websocket_event_callback_function event_callback, void *priv_data)
{
if (!obs_websocket_ensure_ph())
return false;
struct obs_websocket_event_callback cb = {event_callback, priv_data};
calldata_t cd = {0, 0, 0, 0};
calldata_set_ptr(&cd, "callback", &cb);
proc_handler_call(_ph, "register_event_callback", &cd);
bool ret = calldata_bool(&cd, "success");
calldata_free(&cd);
return ret;
}
// Unregister an existing event handler
static inline bool obs_websocket_unregister_event_callback(obs_websocket_event_callback_function event_callback, void *priv_data)
{
if (!obs_websocket_ensure_ph())
return false;
struct obs_websocket_event_callback cb = {event_callback, priv_data};
calldata_t cd = {0, 0, 0, 0};
calldata_set_ptr(&cd, "callback", &cb);
proc_handler_call(_ph, "unregister_event_callback", &cd);
bool ret = calldata_bool(&cd, "success");
calldata_free(&cd);
return ret;
}
/* ==================== VENDOR API FUNCTIONS ==================== */ /* ==================== VENDOR API FUNCTIONS ==================== */
// ALWAYS CALL ONLY VIA `obs_module_post_load()` CALLBACK! // ALWAYS CALL ONLY VIA `obs_module_post_load()` CALLBACK!
@ -154,7 +199,6 @@ static inline obs_websocket_vendor obs_websocket_register_vendor(const char *ven
return NULL; return NULL;
calldata_t cd = {0, 0, 0, 0}; calldata_t cd = {0, 0, 0, 0};
calldata_set_string(&cd, "name", vendor_name); calldata_set_string(&cd, "name", vendor_name);
proc_handler_call(_ph, "vendor_register", &cd); proc_handler_call(_ph, "vendor_register", &cd);
@ -168,10 +212,9 @@ static inline obs_websocket_vendor obs_websocket_register_vendor(const char *ven
static inline bool obs_websocket_vendor_register_request(obs_websocket_vendor vendor, const char *request_type, static inline bool obs_websocket_vendor_register_request(obs_websocket_vendor vendor, const char *request_type,
obs_websocket_request_callback_function request_callback, void *priv_data) obs_websocket_request_callback_function request_callback, void *priv_data)
{ {
calldata_t cd = {0, 0, 0, 0};
struct obs_websocket_request_callback cb = {request_callback, priv_data}; struct obs_websocket_request_callback cb = {request_callback, priv_data};
calldata_t cd = {0, 0, 0, 0};
calldata_set_string(&cd, "type", request_type); calldata_set_string(&cd, "type", request_type);
calldata_set_ptr(&cd, "callback", &cb); calldata_set_ptr(&cd, "callback", &cb);
@ -185,7 +228,6 @@ static inline bool obs_websocket_vendor_register_request(obs_websocket_vendor ve
static inline bool obs_websocket_vendor_unregister_request(obs_websocket_vendor vendor, const char *request_type) static inline bool obs_websocket_vendor_unregister_request(obs_websocket_vendor vendor, const char *request_type)
{ {
calldata_t cd = {0, 0, 0, 0}; calldata_t cd = {0, 0, 0, 0};
calldata_set_string(&cd, "type", request_type); calldata_set_string(&cd, "type", request_type);
bool success = obs_websocket_vendor_run_simple_proc(vendor, "vendor_request_unregister", &cd); bool success = obs_websocket_vendor_run_simple_proc(vendor, "vendor_request_unregister", &cd);
@ -199,7 +241,6 @@ static inline bool obs_websocket_vendor_unregister_request(obs_websocket_vendor
static inline bool obs_websocket_vendor_emit_event(obs_websocket_vendor vendor, const char *event_name, obs_data_t *event_data) static inline bool obs_websocket_vendor_emit_event(obs_websocket_vendor vendor, const char *event_name, obs_data_t *event_data)
{ {
calldata_t cd = {0, 0, 0, 0}; calldata_t cd = {0, 0, 0, 0};
calldata_set_string(&cd, "type", event_name); calldata_set_string(&cd, "type", event_name);
calldata_set_ptr(&cd, "data", (void *)event_data); calldata_set_ptr(&cd, "data", (void *)event_data);