ao_pipewire: fix compatibility with old version of libpipewire

For example Ubuntu 21.10 does not have this define.
mpv-player · Jan 5, 2022 · 6a0a491 · 6a0a491
1 parent d0c08f9
commit 6a0a491
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/audio/out/ao_pipewire.c b/audio/out/ao_pipewire.c
@@ -14,6 +14,10 @@
 #include "internal.h"
 #include "osdep/timer.h"
 
+#ifndef PW_KEY_NODE_RATE
+#define PW_KEY_NODE_RATE "node.rate"
+#endif
+
 struct priv {
     struct pw_thread_loop *loop;
     struct pw_stream *stream;