From 93016ac6aba0053f1d740527c6c123a052d5e40d Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Fri, 5 Mar 2021 19:33:22 +0100
Subject: [PATCH] output/wasapi: check AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED

Stop early, don't try more formats if it is clear that we have no
chance.
---
 src/output/plugins/wasapi/WasapiOutputPlugin.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/output/plugins/wasapi/WasapiOutputPlugin.cxx b/src/output/plugins/wasapi/WasapiOutputPlugin.cxx
index 23c0e88e2..9a3616817 100644
--- a/src/output/plugins/wasapi/WasapiOutputPlugin.cxx
+++ b/src/output/plugins/wasapi/WasapiOutputPlugin.cxx
@@ -642,6 +642,9 @@ bool WasapiOutput::TryFormatExclusive(const AudioFormat &audio_format) {
 			device_format = test_format;
 			return true;
 		}
+
+		if (result == AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED)
+			throw std::runtime_error("Exclusive mode not allowed");
 	}
 	return false;
 }