Merge branch 'main' into v2.17.x

1 files changed, 8 insertions, 0 deletions

diff --git a/src/lib/dcp_content.cc b/src/lib/dcp_content.cc
index 378ba1882..c459a9ece 100644
--- a/src/lib/dcp_content.cc
+++ b/src/lib/dcp_content.cc
@@ -723,6 +723,14 @@ 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;
+		}
+	}
+
 	auto part = [](shared_ptr<const Content> c) {
 		return static_cast<bool>(c->audio) && !c->audio->mapping().mapped_output_channels().empty();
 	};