From d8bbc508e959d8d38c54a6db6cfc868bd64697f5 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 26 Feb 2024 23:18:15 +0100
Subject: Disallow referring to OV audio unless channel counts match (#2780).

---
 src/lib/dcp_content.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/lib')

diff --git a/src/lib/dcp_content.cc b/src/lib/dcp_content.cc
index 6185b3a19..bdd5e0e09 100644
--- a/src/lib/dcp_content.cc
+++ b/src/lib/dcp_content.cc
@@ -720,6 +720,14 @@ DCPContent::can_reference_audio (shared_ptr<const Film> film, string& why_not) c
 		return false;
 	}
 
+	if (audio && audio->stream()) {
+		auto const channels = audio->stream()->channels();
+		if (channels != film->audio_channels()) {
+			why_not = String::compose(_("it has a different number of audio channels than the project; set the project to have %1 channels."), channels);
+			return false;
+		}
+	}
+
 	/// TRANSLATORS: this string will follow "Cannot reference this DCP: "
 	return can_reference(
 		film, [](shared_ptr<const Content> c) {
-- 
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