From 496f88653d9166338d37fb94cc10cffd6af196d5 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Fri, 13 Sep 2019 19:46:39 +0200
Subject: [PATCH] ReplayGainInfo: add static method Undefined()

---
 src/ReplayGainInfo.hxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/ReplayGainInfo.hxx b/src/ReplayGainInfo.hxx
index b2664abc3..685bfe9a0 100644
--- a/src/ReplayGainInfo.hxx
+++ b/src/ReplayGainInfo.hxx
@@ -38,6 +38,10 @@ struct ReplayGainTuple {
 		return gain > -100;
 	}
 
+	static constexpr ReplayGainTuple Undefined() noexcept {
+		return {-200.0f, 0.0f};
+	}
+
 	gcc_pure
 	float CalculateScale(const ReplayGainConfig &config) const noexcept;
 };
@@ -49,6 +53,13 @@ struct ReplayGainInfo {
 		return track.IsDefined() || album.IsDefined();
 	}
 
+	static constexpr ReplayGainInfo Undefined() noexcept {
+		return {
+			ReplayGainTuple::Undefined(),
+			ReplayGainTuple::Undefined(),
+		};
+	}
+
 	const ReplayGainTuple &Get(ReplayGainMode mode) const noexcept {
 		return mode == ReplayGainMode::ALBUM
 			? (album.IsDefined() ? album : track)