vlc-video: Improve logging with prefix & VLC version

plugins/vlc-video/vlc-video-plugin.c

@@ -15,6 +15,7 @@ MODULE_EXPORT const char *obs_module_description(void)
 /* libvlc core */
 LIBVLC_NEW libvlc_new_;
 LIBVLC_RELEASE libvlc_release_;
+LIBVLC_GET_VERSION libvlc_get_version_;
 LIBVLC_CLOCK libvlc_clock_;
 LIBVLC_EVENT_ATTACH libvlc_event_attach_;
 
@@ -82,8 +83,8 @@ static bool load_vlc_funcs(void)
 		func##_ = os_dlsym(libvlc_module, #func);       \
 		if (!func##_) {                                 \
 			blog(LOG_WARNING,                       \
-			     "Could not func VLC function %s, " \
-			     "VLC loading failed",              \
+			     "[vlc-video]: Could not func VLC " \
+			     "function %s, VLC loading failed", \
 			     #func);                            \
 			return false;                           \
 		}                                               \
@@ -92,6 +93,7 @@ static bool load_vlc_funcs(void)
 	/* libvlc core */
 	LOAD_VLC_FUNC(libvlc_new);
 	LOAD_VLC_FUNC(libvlc_release);
+	LOAD_VLC_FUNC(libvlc_get_version);
 	LOAD_VLC_FUNC(libvlc_clock);
 	LOAD_VLC_FUNC(libvlc_event_attach);
 
@@ -202,7 +204,7 @@ bool load_libvlc(void)
 
 	libvlc = libvlc_new_(0, 0);
 	if (!libvlc) {
-		blog(LOG_INFO, "Couldn't create libvlc instance");
+		blog(LOG_INFO, "[vlc-video]: Couldn't create libvlc instance");
 		return false;
 	}
 
@@ -213,15 +215,16 @@ bool load_libvlc(void)
 bool obs_module_load(void)
 {
 	if (!load_libvlc_module()) {
-		blog(LOG_INFO, "Couldn't find VLC installation, VLC video "
-			       "source disabled");
+		blog(LOG_INFO, "[vlc-video]: Couldn't find VLC installation, "
+			       "VLC video source disabled");
 		return true;
 	}
 
 	if (!load_vlc_funcs())
 		return true;
 
-	blog(LOG_INFO, "VLC found, VLC video source enabled");
+	blog(LOG_INFO, "[vlc-video]: VLC %s found, VLC video source enabled",
+	     libvlc_get_version_());
 
 	obs_register_source(&vlc_source_info);
 	return true;

plugins/vlc-video/vlc-video-plugin.h

@@ -20,6 +20,7 @@ extern bool load_libvlc(void);
 /* libvlc core */
 typedef libvlc_instance_t *(*LIBVLC_NEW)(int argc, const char *const *argv);
 typedef void (*LIBVLC_RELEASE)(libvlc_instance_t *p_instance);
+typedef const char *(*LIBVLC_GET_VERSION)(void);
 typedef int64_t (*LIBVLC_CLOCK)(void);
 typedef int (*LIBVLC_EVENT_ATTACH)(libvlc_event_manager_t *p_event_manager,
 				   libvlc_event_type_t i_event_type,
@@ -113,6 +114,7 @@ typedef int (*LIBVLC_MEDIA_LIST_PLAYER_PREVIOUS)(
 /* libvlc core */
 extern LIBVLC_NEW libvlc_new_;
 extern LIBVLC_RELEASE libvlc_release_;
+extern LIBVLC_GET_VERSION libvlc_get_version_;
 extern LIBVLC_CLOCK libvlc_clock_;
 extern LIBVLC_EVENT_ATTACH libvlc_event_attach_;