From bfa159313ba4f5769b5dccd4f8b555340c5e9a1f Mon Sep 17 00:00:00 2001
From: Oschowa <[EMAIL REDACTED]>
Date: Wed, 18 Aug 2021 12:04:38 +0200
Subject: [PATCH] audio: pipewire: Set PW_KEY_NODE_RATE to suggest a rate. This
can be used by recent pipewire to avoid resampling.
---
src/audio/pipewire/SDL_pipewire.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/audio/pipewire/SDL_pipewire.c b/src/audio/pipewire/SDL_pipewire.c
index 811b0b210a..c7b10c6651 100644
--- a/src/audio/pipewire/SDL_pipewire.c
+++ b/src/audio/pipewire/SDL_pipewire.c
@@ -31,6 +31,14 @@
#include <pipewire/extensions/metadata.h>
#include <spa/param/audio/format-utils.h>
+/* Older versions of Pipewire may not define this, but it's safe to pass at
+ * runtime even if older installations don't recognize it.
+ * Taken from src/pipewire/keys.h
+ */
+#ifndef PW_KEY_NODE_RATE
+#define PW_KEY_NODE_RATE "node.rate"
+#endif
+
/*
* These seem to be sane limits as Pipewire
* uses them in several of it's own modules.
@@ -1110,6 +1118,7 @@ PIPEWIRE_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
PIPEWIRE_pw_properties_set(props, PW_KEY_NODE_NAME, stream_name);
PIPEWIRE_pw_properties_set(props, PW_KEY_NODE_DESCRIPTION, stream_name);
PIPEWIRE_pw_properties_setf(props, PW_KEY_NODE_LATENCY, "%u/%i", adjusted_samples, this->spec.freq);
+ PIPEWIRE_pw_properties_setf(props, PW_KEY_NODE_RATE, "1/%u", this->spec.freq);
PIPEWIRE_pw_properties_set(props, PW_KEY_NODE_ALWAYS_PROCESS, "true");
/*