Preserve export video settings in the config (#2259).

1 files changed, 135 insertions, 0 deletions

diff --git a/src/lib/export_config.cc b/src/lib/export_config.cc
new file mode 100644
index 000000000..6c9807935
--- /dev/null
+++ b/src/lib/export_config.cc
@@ -0,0 +1,135 @@
+/*
+    Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#include "config.h"
+#include "export_config.h"
+#include <dcp/raw_convert.h>
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
+#include <libxml++/libxml++.h>
+LIBDCP_ENABLE_WARNINGS
+
+
+using std::string;
+
+
+ExportConfig::ExportConfig(Config* parent)
+	: _config(parent)
+{
+
+}
+
+
+void
+ExportConfig::set_defaults()
+{
+	_format = ExportFormat::PRORES;
+	_mixdown_to_stereo = false;
+	_split_reels = false;
+	_split_streams = false;
+	_x264_crf = 23;
+}
+
+
+void
+ExportConfig::read(cxml::ConstNodePtr node)
+{
+	if (!node) {
+		set_defaults();
+		return;
+	}
+
+	auto const format = node->string_child("Format");
+
+	if (format == "subtitles-dcp") {
+		_format = ExportFormat::SUBTITLES_DCP;
+	} else if (format == "h264-aac") {
+		_format = ExportFormat::H264_AAC;
+	} else {
+		_format = ExportFormat::PRORES;
+	}
+
+	_mixdown_to_stereo = node->bool_child("MixdownToStereo");
+	_split_reels = node->bool_child("SplitReels");
+	_split_streams = node->bool_child("SplitStreams");
+	_x264_crf = node->number_child<int>("X264CRF");
+}
+
+
+void
+ExportConfig::write(xmlpp::Element* node) const
+{
+	string name;
+
+	switch (_format) {
+		case ExportFormat::PRORES:
+			name = "prores";
+			break;
+		case ExportFormat::H264_AAC:
+			name = "h264-aac";
+			break;
+		case ExportFormat::SUBTITLES_DCP:
+			name = "subtitles-dcp";
+			break;
+	}
+
+	node->add_child("Format")->add_child_text(name);
+	node->add_child("MixdownToStereo")->add_child_text(_mixdown_to_stereo ? "1" : "0");
+	node->add_child("SplitReels")->add_child_text(_split_reels ? "1" : "0");
+	node->add_child("SplitStreams")->add_child_text(_split_streams ? "1" : "0");
+	node->add_child("X264CRF")->add_child_text(dcp::raw_convert<string>(_x264_crf));
+}
+
+
+void
+ExportConfig::set_format(ExportFormat format)
+{
+	_config->maybe_set(_format, format);
+}
+
+
+void
+ExportConfig::set_mixdown_to_stereo(bool mixdown)
+{
+	_config->maybe_set(_mixdown_to_stereo, mixdown);
+}
+
+
+void
+ExportConfig::set_split_reels(bool split)
+{
+	_config->maybe_set(_split_reels, split);
+}
+
+
+void
+ExportConfig::set_split_streams(bool split)
+{
+	_config->maybe_set(_split_streams, split);
+}
+
+
+void
+ExportConfig::set_x264_crf(int crf)
+{
+	_config->maybe_set(_x264_crf, crf);
+}
+