Use film-name-derived names for MXFs in DCPs.

3 files changed, 45 insertions, 13 deletions

diff --git a/src/lib/film.cc b/src/lib/film.cc
index bd11c1eb5..077c9e17f 100644
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -232,19 +232,47 @@ Film::info_dir () const
 }
 
 string
-Film::video_mxf_dir () const
+Film::internal_video_mxf_dir () const
 {
 	boost::filesystem::path p;
 	return dir ("video");
 }
 
 string
-Film::video_mxf_filename () const
+Film::internal_video_mxf_filename () const
 {
 	return video_state_identifier() + ".mxf";
 }
 
 string
+Film::dcp_video_mxf_filename () const
+{
+	return filename_safe_name() + "_video.mxf";
+}
+
+string
+Film::dcp_audio_mxf_filename () const
+{
+	return filename_safe_name() + "_audio.mxf";
+}
+
+string
+Film::filename_safe_name () const
+{
+	string const n = name ();
+	string o;
+	for (size_t i = 0; i < n.length(); ++i) {
+		if (isalnum (n[i])) {
+			o += n[i];
+		} else {
+			o += "_";
+		}
+	}
+
+	return o;
+}
+
+string
 Film::audio_analysis_path () const
 {
 	boost::filesystem::path p;
diff --git a/src/lib/film.h b/src/lib/film.h
index adc4b0eec..a5a8ac5fa 100644
--- a/src/lib/film.h
+++ b/src/lib/film.h
@@ -64,10 +64,13 @@ public:
 	std::string info_dir () const;
 	std::string j2c_path (int f, bool t) const;
 	std::string info_path (int f) const;
-	std::string video_mxf_dir () const;
-	std::string video_mxf_filename () const;
+	std::string internal_video_mxf_dir () const;
+	std::string internal_video_mxf_filename () const;
 	std::string audio_analysis_path () const;
 
+	std::string dcp_video_mxf_filename () const;
+	std::string dcp_audio_mxf_filename () const;
+
 	void examine_content ();
 	void analyse_audio ();
 	void send_dcp_to_tms ();
@@ -387,6 +390,7 @@ private:
 	void examine_content_finished ();
 	void analyse_audio_finished ();
 	std::string video_state_identifier () const;
+	std::string filename_safe_name () const;
 
 	/** Complete path to directory containing the film metadata;
 	 *  must not be relative.
diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 2d7ee9ba3..c6ce4711d 100644
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -65,8 +65,8 @@ Writer::Writer (shared_ptr<Film> f)
 	
 	_picture_asset.reset (
 		new libdcp::MonoPictureAsset (
-			_film->video_mxf_dir (),
-			_film->video_mxf_filename (),
+			_film->internal_video_mxf_dir (),
+			_film->internal_video_mxf_filename (),
 			_film->dcp_frame_rate (),
 			_film->format()->dcp_size ()
 			)
@@ -80,7 +80,7 @@ Writer::Writer (shared_ptr<Film> f)
 		_sound_asset.reset (
 			new libdcp::SoundAsset (
 				_film->dir (_film->dcp_name()),
-				N_("audio.mxf"),
+				_film->dcp_audio_mxf_filename (),
 				_film->dcp_frame_rate (),
 				m.dcp_channels (),
 				dcp_audio_sample_rate (_film->audio_stream()->sample_rate())
@@ -267,12 +267,12 @@ Writer::finish ()
 	/* Hard-link the video MXF into the DCP */
 
 	boost::filesystem::path from;
-	from /= _film->video_mxf_dir();
-	from /= _film->video_mxf_filename();
+	from /= _film->internal_video_mxf_dir();
+	from /= _film->internal_video_mxf_filename();
 	
 	boost::filesystem::path to;
 	to /= _film->dir (_film->dcp_name());
-	to /= N_("video.mxf");
+	to /= _film->dcp_video_mxf_filename ();
 
 	boost::system::error_code ec;
 	boost::filesystem::create_hard_link (from, to, ec);
@@ -285,7 +285,7 @@ Writer::finish ()
 	/* And update the asset */
 
 	_picture_asset->set_directory (_film->dir (_film->dcp_name ()));
-	_picture_asset->set_file_name (N_("video.mxf"));
+	_picture_asset->set_file_name (_film->dcp_video_mxf_filename ());
 
 	if (_sound_asset) {
 		_sound_asset->set_entry_point (_film->trim_start ());
@@ -339,8 +339,8 @@ Writer::check_existing_picture_mxf ()
 {
 	/* Try to open the existing MXF */
 	boost::filesystem::path p;
-	p /= _film->video_mxf_dir ();
-	p /= _film->video_mxf_filename ();
+	p /= _film->internal_video_mxf_dir ();
+	p /= _film->internal_video_mxf_filename ();
 	FILE* mxf = fopen (p.string().c_str(), N_("rb"));
 	if (!mxf) {
 		return;