add subscription subsystem

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@112 fefdeb5f-60dc-0310-8127-8f9354f1896f

1 files changed, 43 insertions, 0 deletions

diff --git a/polyp/subscribe.h b/polyp/subscribe.h
new file mode 100644
index 00000000..1561249f
--- /dev/null
+++ b/polyp/subscribe.h
@@ -0,0 +1,43 @@
+#ifndef foosubscribehfoo
+#define foosubscribehfoo
+
+#include "core.h"
+
+enum pa_subscription_mask {
+    PA_SUBSCRIPTION_FACILITY_SINK = 1,
+    PA_SUBSCRIPTION_FACILITY_SOURCE = 2,
+    PA_SUBSCRIPTION_FACILITY_SINK_INPUT = 4,
+    PA_SUBSCRIPTION_FACILITY_SOURCE_OUTPUT = 8,
+    PA_SUBSCRIPTION_FACILITY_MODULE = 16,
+    PA_SUBSCRIPTION_FACILITY_CLIENT = 32,
+    PA_SUBSCRIPTION_FACILITY_SAMPLE_CACHE = 64,
+};
+
+enum pa_subscription_event_type {
+    PA_SUBSCRIPTION_EVENT_SINK = 0,
+    PA_SUBSCRIPTION_EVENT_SOURCE = 1,
+    PA_SUBSCRIPTION_EVENT_SINK_INPUT = 2,
+    PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT = 3,
+    PA_SUBSCRIPTION_EVENT_MODULE = 4,
+    PA_SUBSCRIPTION_EVENT_CLIENT = 5,
+    PA_SUBSCRIPTION_EVENT_SAMPLE_CACHE = 6,
+    PA_SUBSCRIPTION_EVENT_FACILITY_MASK = 7,
+
+    PA_SUBSCRIPTION_EVENT_NEW = 0,
+    PA_SUBSCRIPTION_EVENT_CHANGE = 16,
+    PA_SUBSCRIPTION_EVENT_REMOVE = 32,
+    PA_SUBSCRIPTION_EVENT_TYPE_MASK = 16+32,
+};
+    
+struct pa_subscription;
+struct pa_subscription_event;
+
+struct pa_subscription* pa_subscription_new(struct pa_core *c, enum pa_subscription_mask m,  void (*callback)(struct pa_core *c, enum pa_subscription_event_type t, uint32_t index, void *userdata), void *userdata);
+void pa_subscription_free(struct pa_subscription*s);
+void pa_subscription_free_all(struct pa_core *c);
+
+void pa_subscription_post(struct pa_core *c, enum pa_subscription_event_type t, uint32_t index);
+
+int pa_subscription_match_flags(enum pa_subscription_mask m, enum pa_subscription_event_type e);
+
+#endif