From 76dcdc1b73a15b4d38bd7280af7b997f9bec7d67 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sun, 26 Mar 2023 00:29:44 +0100
Subject: [PATCH] Add create support for some more audio channels.

---
 src/lib/create_cli.cc         | 10 +++++++++-
 src/tools/dcpomatic_create.cc | 12 ++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/lib/create_cli.cc b/src/lib/create_cli.cc
index 107311d59..2cbff6e85 100644
--- a/src/lib/create_cli.cc
+++ b/src/lib/create_cli.cc
@@ -55,7 +55,7 @@ string CreateCLI::_help =
 	"      --j2k-bandwidth <Mbit/s>  J2K bandwidth in Mbit/s\n"
 	"      --left-eye                next piece of content is for the left eye\n"
 	"      --right-eye               next piece of content is for the right eye\n"
-	"      --channel <channel>       next piece of content should be mapped to audio channel L, R, C, Lfe, Ls or Rs\n"
+	"      --channel <channel>       next piece of content should be mapped to audio channel L, R, C, Lfe, Ls, Rs, BsL, BsR, HI, VI\n"
 	"      --gain                    next piece of content should have the given audio gain (in dB)\n"
 	"      --cpl <id>                CPL ID to use from the next piece of content (which is a DCP)\n"
 	"      --kdm <file>              KDM for next piece of content\n";
@@ -208,6 +208,14 @@ CreateCLI::CreateCLI (int argc, char* argv[])
 				return dcp::Channel::LS;
 			} else if (channel == "Rs") {
 				return dcp::Channel::RS;
+			} else if (channel == "BsL") {
+				return dcp::Channel::BSL;
+			} else if (channel == "BsR") {
+				return dcp::Channel::BSR;
+			} else if (channel == "HI") {
+				return dcp::Channel::HI;
+			} else if (channel == "VI") {
+				return dcp::Channel::VI;
 			} else {
 				return {};
 			}
diff --git a/src/tools/dcpomatic_create.cc b/src/tools/dcpomatic_create.cc
index 62428b1a2..bd059e9f8 100644
--- a/src/tools/dcpomatic_create.cc
+++ b/src/tools/dcpomatic_create.cc
@@ -118,6 +118,18 @@ main (int argc, char* argv[])
 			film->set_j2k_bandwidth (*cc.j2k_bandwidth);
 		}
 
+		int channels = 6;
+		for (auto cli_content: cc.content) {
+			if (cli_content.channel) {
+				channels = std::max(channels, static_cast<int>(*cli_content.channel) + 1);
+			}
+		}
+		if (channels % 1) {
+			++channels;
+		}
+
+		film->set_audio_channels(channels);
+
 		for (auto cli_content: cc.content) {
 			auto const can = boost::filesystem::canonical (cli_content.path);
 			vector<shared_ptr<Content>> film_content_list;
-- 
2.30.2