+// Macro for power save flag.
+#define RTMP_SET_PSFLAG(_M, _F) ((_M)->PSFlags |= (_F))
+#define RTMP_CLEAR_PSFLAG(_M, _F) ((_M)->PSFlags &= ~(_F))
+#define RTMP_CLEAR_PSFLAGS(_M) ((_M)->PSFlags = 0)
+#define RTMP_TEST_PSFLAG(_M, _F) (((_M)->PSFlags & (_F)) != 0)
+#define RTMP_TEST_PSFLAGS(_M, _F) (((_M)->PSFlags & (_F)) == (_F))
+