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.

output/wasapi: check AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED
93016ac6 · Max Kellermann · fc20a1f1 · 93016ac6
Commit 93016ac6 authored Mar 05, 2021 by Max Kellermann
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WasapiOutputPlugin.cxx src/output/plugins/wasapi/WasapiOutputPlugin.cxx +3 -0

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--- 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;
 }