From a60428e8a618c648fccab0d9c115f1d2a3dea2d2 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Wed, 31 Oct 2018 20:36:04 +0000
Subject: [PATCH] swaroop: beginning of encrypted MP4 / .ecinema.

---
 src/lib/ffmpeg_content.cc | 7 +++++++
 src/lib/ffmpeg_content.h  | 6 ++++++
 src/wx/controls.cc        | 2 +-
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc
index 70b867172..c7a15619d 100644
--- a/src/lib/ffmpeg_content.cc
+++ b/src/lib/ffmpeg_content.cc
@@ -65,6 +65,7 @@ int const FFmpegContentProperty::FILTERS = 102;
 
 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, boost::filesystem::path p)
 	: Content (film, p)
+	, _encrypted (false)
 {
 
 }
@@ -126,6 +127,7 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr no
 	_colorspace = get_optional_enum<AVColorSpace>(node, "Colorspace");
 	_bits_per_pixel = node->optional_number_child<int> ("BitsPerPixel");
 	_decryption_key = node->optional_string_child ("DecryptionKey");
+	_encrypted = node->optional_bool_child("Encrypted").get_value_or(false);
 }
 
 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
@@ -187,6 +189,7 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<shared_ptr<Con
 	_color_trc = ref->_color_trc;
 	_colorspace = ref->_colorspace;
 	_bits_per_pixel = ref->_bits_per_pixel;
+	_encrypted = ref->_encrypted;
 }
 
 void
@@ -249,6 +252,9 @@ FFmpegContent::as_xml (xmlpp::Node* node, bool with_paths) const
 	if (_decryption_key) {
 		node->add_child("DecryptionKey")->add_child_text (_decryption_key.get());
 	}
+	if (_encrypted) {
+		node->add_child("Encypted")->add_child_text ("1");
+	}
 }
 
 void
@@ -314,6 +320,7 @@ FFmpegContent::examine (shared_ptr<Job> job)
 			_subtitle_stream = _subtitle_streams.front ();
 		}
 
+		_encrypted = first_path.extension() == ".ecinema";
 	}
 
 	if (examiner->has_video ()) {
diff --git a/src/lib/ffmpeg_content.h b/src/lib/ffmpeg_content.h
index 87a892e68..d2e164f1d 100644
--- a/src/lib/ffmpeg_content.h
+++ b/src/lib/ffmpeg_content.h
@@ -98,6 +98,11 @@ public:
 		return _decryption_key;
 	}
 
+	bool encrypted () const {
+		boost::mutex::scoped_lock lm (_mutex);
+		return _encrypted;
+	}
+
 private:
 	void add_properties (std::list<UserProperty> &) const;
 
@@ -116,6 +121,7 @@ private:
 	boost::optional<AVColorSpace> _colorspace;
 	boost::optional<int> _bits_per_pixel;
 	boost::optional<std::string> _decryption_key;
+	bool _encrypted;
 };
 
 #endif
diff --git a/src/wx/controls.cc b/src/wx/controls.cc
index 62f75fde3..8b2a17b09 100644
--- a/src/wx/controls.cc
+++ b/src/wx/controls.cc
@@ -667,7 +667,7 @@ Controls::update_content_directory ()
 			shared_ptr<Content> content;
 			if (is_directory(*i) && (is_regular_file(*i / "ASSETMAP") || is_regular_file(*i / "ASSETMAP.xml"))) {
 				content.reset (new DCPContent(_film, *i));
-			} else if (i->path().extension() == ".mp4") {
+			} else if (i->path().extension() == ".mp4" || i->path().extension() == ".ecinema") {
 				content = content_factory(_film, *i).front();
 			}
 
-- 
2.30.2