Add some missing override labels.

34 files changed, 130 insertions, 130 deletions

diff --git a/src/lib/analytics.h b/src/lib/analytics.h
index c0a3e17ef..0de0b51ca 100644
--- a/src/lib/analytics.h
+++ b/src/lib/analytics.h
@@ -31,8 +31,8 @@ public:
 
 	void successful_dcp_encode ();
 
-	void write () const;
-	void read ();
+	void write () const override;
+	void read () override;
 
 	boost::signals2::signal<void (std::string, std::string)> Message;
 
diff --git a/src/lib/audio_decoder.h b/src/lib/audio_decoder.h
index a2e06f11c..a8495aaa8 100644
--- a/src/lib/audio_decoder.h
+++ b/src/lib/audio_decoder.h
@@ -51,9 +51,9 @@ class AudioDecoder : public std::enable_shared_from_this<AudioDecoder>, public D
 public:
 	AudioDecoder (Decoder* parent, std::shared_ptr<const AudioContent> content, bool fast);
 
-	boost::optional<dcpomatic::ContentTime> position (std::shared_ptr<const Film> film) const;
+	boost::optional<dcpomatic::ContentTime> position (std::shared_ptr<const Film> film) const override;
 	void emit (std::shared_ptr<const Film> film, AudioStreamPtr stream, std::shared_ptr<const AudioBuffers>, dcpomatic::ContentTime, bool time_already_delayed = false);
-	void seek ();
+	void seek () override;
 	void flush ();
 
 	dcpomatic::ContentTime stream_position (std::shared_ptr<const Film> film, AudioStreamPtr stream) const;
diff --git a/src/lib/check_content_change_job.h b/src/lib/check_content_change_job.h
index b3cdf594c..a374e2a6f 100644
--- a/src/lib/check_content_change_job.h
+++ b/src/lib/check_content_change_job.h
@@ -30,7 +30,7 @@ public:
 	CheckContentChangeJob (std::shared_ptr<const Film>);
 	~CheckContentChangeJob ();
 
-	std::string name () const;
-	std::string json_name () const;
-	void run ();
+	std::string name () const override;
+	std::string json_name () const override;
+	void run () override;
 };
diff --git a/src/lib/combine_dcp_job.h b/src/lib/combine_dcp_job.h
index 4a7e02b8b..5311ddd3e 100644
--- a/src/lib/combine_dcp_job.h
+++ b/src/lib/combine_dcp_job.h
@@ -28,9 +28,9 @@ class CombineDCPJob : public Job
 public:
 	CombineDCPJob (std::vector<boost::filesystem::path> inputs, boost::filesystem::path output, std::string annotation_text);
 
-	std::string name () const;
-	std::string json_name () const;
-	void run ();
+	std::string name () const override;
+	std::string json_name () const override;
+	void run () override;
 
 private:
 	std::vector<boost::filesystem::path> _inputs;
diff --git a/src/lib/config.h b/src/lib/config.h
index 29f401755..e9b3ec203 100644
--- a/src/lib/config.h
+++ b/src/lib/config.h
@@ -1108,7 +1108,7 @@ public:
 
 	static boost::signals2::signal<bool (BadReason)> Bad;
 
-	void write () const;
+	void write () const override;
 	void write_config () const;
 	void write_cinemas () const;
 	void write_dkdm_recipients () const;
@@ -1135,7 +1135,7 @@ public:
 
 private:
 	Config ();
-	void read ();
+	void read () override;
 	void set_defaults ();
 	void set_kdm_email_to_default ();
 	void set_notification_email_to_default ();
diff --git a/src/lib/curl_uploader.h b/src/lib/curl_uploader.h
index a3ef3cb22..564e77493 100644
--- a/src/lib/curl_uploader.h
+++ b/src/lib/curl_uploader.h
@@ -32,8 +32,8 @@ public:
 	size_t read_callback (void* ptr, size_t size, size_t nmemb);
 
 protected:
-	virtual void create_directory (boost::filesystem::path directory);
-	virtual void upload_file (boost::filesystem::path from, boost::filesystem::path to, boost::uintmax_t& transferred, boost::uintmax_t total_size);
+	void create_directory (boost::filesystem::path directory) override;
+	void upload_file (boost::filesystem::path from, boost::filesystem::path to, boost::uintmax_t& transferred, boost::uintmax_t total_size) override;
 
 private:
 	CURL* _curl;
diff --git a/src/lib/dcp_content.h b/src/lib/dcp_content.h
index 40ed181fe..d57c0059c 100644
--- a/src/lib/dcp_content.h
+++ b/src/lib/dcp_content.h
@@ -65,18 +65,18 @@ public:
 		return std::dynamic_pointer_cast<const DCPContent> (Content::shared_from_this ());
 	}
 
-	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const;
-	dcpomatic::DCPTime approximate_length () const;
+	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const override;
+	dcpomatic::DCPTime approximate_length () const override;
 
-	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>);
-	std::string summary () const;
-	std::string technical_summary () const;
-	void as_xml (xmlpp::Node *, bool with_paths) const;
-	std::string identifier () const;
-	void take_settings_from (std::shared_ptr<const Content> c);
+	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>) override;
+	std::string summary () const override;
+	std::string technical_summary () const override;
+	void as_xml (xmlpp::Node *, bool with_paths) const override;
+	std::string identifier () const override;
+	void take_settings_from (std::shared_ptr<const Content> c) override;
 
 	void set_default_colour_conversion ();
-	std::list<dcpomatic::DCPTime> reel_split_points (std::shared_ptr<const Film> film) const;
+	std::list<dcpomatic::DCPTime> reel_split_points (std::shared_ptr<const Film> film) const override;
 
 	std::vector<boost::filesystem::path> directories () const;
 
@@ -173,7 +173,7 @@ public:
 private:
 	friend struct reels_test5;
 
-	void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty>& p) const;
+	void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty>& p) const override;
 
 	void read_directory (boost::filesystem::path);
 	void read_sub_directory (boost::filesystem::path);
diff --git a/src/lib/dcp_subtitle_content.h b/src/lib/dcp_subtitle_content.h
index f4a767d21..5949f8b0b 100644
--- a/src/lib/dcp_subtitle_content.h
+++ b/src/lib/dcp_subtitle_content.h
@@ -27,12 +27,12 @@ public:
 	DCPSubtitleContent (boost::filesystem::path);
 	DCPSubtitleContent (cxml::ConstNodePtr, int);
 
-	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>);
-	std::string summary () const;
-	std::string technical_summary () const;
-	void as_xml (xmlpp::Node *, bool with_paths) const;
-	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const;
-	dcpomatic::DCPTime approximate_length () const;
+	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>) override;
+	std::string summary () const override;
+	std::string technical_summary () const override;
+	void as_xml (xmlpp::Node *, bool with_paths) const override;
+	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const override;
+	dcpomatic::DCPTime approximate_length () const override;
 
 private:
 	dcpomatic::ContentTime _length;
diff --git a/src/lib/dcp_subtitle_decoder.h b/src/lib/dcp_subtitle_decoder.h
index 95e783d06..4a54aaf2e 100644
--- a/src/lib/dcp_subtitle_decoder.h
+++ b/src/lib/dcp_subtitle_decoder.h
@@ -32,10 +32,10 @@ class DCPSubtitleDecoder : public DCPSubtitle, public Decoder
 public:
 	DCPSubtitleDecoder (std::shared_ptr<const Film> film, std::shared_ptr<const DCPSubtitleContent>);
 
-	bool pass ();
-	void seek (dcpomatic::ContentTime time, bool accurate);
+	bool pass () override;
+	void seek (dcpomatic::ContentTime time, bool accurate) override;
 
-	std::vector<dcpomatic::FontData> fonts () const;
+	std::vector<dcpomatic::FontData> fonts () const override;
 
 private:
 	dcpomatic::ContentTimePeriod content_time_period (std::shared_ptr<const dcp::Subtitle> s) const;
diff --git a/src/lib/dkdm_recipient.h b/src/lib/dkdm_recipient.h
index 50f2f3e15..6e9e4dfb1 100644
--- a/src/lib/dkdm_recipient.h
+++ b/src/lib/dkdm_recipient.h
@@ -47,7 +47,7 @@ public:
 
 	explicit DKDMRecipient (cxml::ConstNodePtr);
 
-	void as_xml (xmlpp::Element *) const;
+	void as_xml (xmlpp::Element *) const override;
 
 	std::list<std::string> emails;
 	int utc_offset_hour;
diff --git a/src/lib/dkdm_wrapper.h b/src/lib/dkdm_wrapper.h
index 0c2992bc4..7227fdc86 100644
--- a/src/lib/dkdm_wrapper.h
+++ b/src/lib/dkdm_wrapper.h
@@ -61,8 +61,8 @@ public:
 		: _dkdm (k)
 	{}
 
-	std::string name () const;
-	void as_xml (xmlpp::Element *) const;
+	std::string name () const override;
+	void as_xml (xmlpp::Element *) const override;
 
 	dcp::EncryptedKDM dkdm () const {
 		return _dkdm;
@@ -80,11 +80,11 @@ public:
 		: _name (name)
 	{}
 
-	std::string name () const {
+	std::string name () const override {
 		return _name;
 	}
 
-	void as_xml (xmlpp::Element *) const;
+	void as_xml (xmlpp::Element *) const override;
 
 	std::list<std::shared_ptr<DKDMBase>> children () const {
 		return _children;
diff --git a/src/lib/encode_server.h b/src/lib/encode_server.h
index 0ca60f3f3..f93d66746 100644
--- a/src/lib/encode_server.h
+++ b/src/lib/encode_server.h
@@ -51,10 +51,10 @@ public:
 	EncodeServer (bool verbose, int num_threads);
 	~EncodeServer ();
 
-	void run ();
+	void run () override;
 
 private:
-	void handle (std::shared_ptr<Socket>);
+	void handle (std::shared_ptr<Socket>) override;
 	void worker_thread ();
 	int process (std::shared_ptr<Socket> socket, struct timeval &, struct timeval &);
 	void broadcast_thread ();
diff --git a/src/lib/encoded_log_entry.h b/src/lib/encoded_log_entry.h
index c4633dbe9..fadf48add 100644
--- a/src/lib/encoded_log_entry.h
+++ b/src/lib/encoded_log_entry.h
@@ -27,7 +27,7 @@ class EncodedLogEntry : public LogEntry
 public:
 	EncodedLogEntry (int frame, std::string ip, double receive, double encode, double send);
 
-	std::string message () const;
+	std::string message () const override;
 
 private:
 	int _frame;
diff --git a/src/lib/examine_content_job.h b/src/lib/examine_content_job.h
index 9437942dc..601b28584 100644
--- a/src/lib/examine_content_job.h
+++ b/src/lib/examine_content_job.h
@@ -31,9 +31,9 @@ public:
 	ExamineContentJob (std::shared_ptr<const Film>, std::shared_ptr<Content>);
 	~ExamineContentJob ();
 
-	std::string name () const;
-	std::string json_name () const;
-	void run ();
+	std::string name () const override;
+	std::string json_name () const override;
+	void run () override;
 
 	std::shared_ptr<Content> content () const {
 		return _content;
diff --git a/src/lib/examine_ffmpeg_subtitles_job.h b/src/lib/examine_ffmpeg_subtitles_job.h
index c9c0cabf4..1a065df57 100644
--- a/src/lib/examine_ffmpeg_subtitles_job.h
+++ b/src/lib/examine_ffmpeg_subtitles_job.h
@@ -29,9 +29,9 @@ public:
 	ExamineFFmpegSubtitlesJob (std::shared_ptr<const Film>, std::shared_ptr<FFmpegContent>);
 	~ExamineFFmpegSubtitlesJob ();
 
-	std::string name () const;
-	std::string json_name () const;
-	void run ();
+	std::string name () const override;
+	std::string json_name () const override;
+	void run () override;
 
 private:
 	std::shared_ptr<FFmpegContent> _content;
diff --git a/src/lib/ffmpeg_content.h b/src/lib/ffmpeg_content.h
index df7b56edc..ce4a8aa69 100644
--- a/src/lib/ffmpeg_content.h
+++ b/src/lib/ffmpeg_content.h
@@ -59,15 +59,15 @@ public:
 		return std::dynamic_pointer_cast<const FFmpegContent> (Content::shared_from_this ());
 	}
 
-	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>);
-	void take_settings_from (std::shared_ptr<const Content> c);
-	std::string summary () const;
-	std::string technical_summary () const;
-	void as_xml (xmlpp::Node *, bool with_paths) const;
-	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const;
-	dcpomatic::DCPTime approximate_length () const;
+	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>) override;
+	void take_settings_from (std::shared_ptr<const Content> c) override;
+	std::string summary () const override;
+	std::string technical_summary () const override;
+	void as_xml (xmlpp::Node *, bool with_paths) const override;
+	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const override;
+	dcpomatic::DCPTime approximate_length () const override;
 
-	std::string identifier () const;
+	std::string identifier () const override;
 
 	void set_default_colour_conversion ();
 
@@ -100,7 +100,7 @@ public:
 	void signal_subtitle_stream_changed ();
 
 private:
-	void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty> &) const;
+	void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty> &) const override;
 
 	friend struct ffmpeg_pts_offset_test;
 	friend struct audio_sampling_rate_test;
diff --git a/src/lib/ffmpeg_image_proxy.h b/src/lib/ffmpeg_image_proxy.h
index 48317ed75..b2b0260b5 100644
--- a/src/lib/ffmpeg_image_proxy.h
+++ b/src/lib/ffmpeg_image_proxy.h
@@ -34,12 +34,12 @@ public:
 	Result image (
 		Image::Alignment alignment,
 		boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
-		) const;
+		) const override;
 
-	void add_metadata (xmlpp::Node *) const;
-	void write_to_socket (std::shared_ptr<Socket>) const;
-	bool same (std::shared_ptr<const ImageProxy> other) const;
-	size_t memory_used () const;
+	void add_metadata (xmlpp::Node *) const override;
+	void write_to_socket (std::shared_ptr<Socket>) const override;
+	bool same (std::shared_ptr<const ImageProxy> other) const override;
+	size_t memory_used () const override;
 
 	int avio_read (uint8_t* buffer, int const amount);
 	int64_t avio_seek (int64_t const pos, int whence);
diff --git a/src/lib/file_log.h b/src/lib/file_log.h
index d7667f799..2795349ce 100644
--- a/src/lib/file_log.h
+++ b/src/lib/file_log.h
@@ -28,10 +28,10 @@ public:
 	explicit FileLog (boost::filesystem::path file);
 	FileLog (boost::filesystem::path file, int types);
 
-	std::string head_and_tail (int amount = 1024) const;
+	std::string head_and_tail (int amount = 1024) const override;
 
 private:
-	void do_log (std::shared_ptr<const LogEntry> entry);
+	void do_log (std::shared_ptr<const LogEntry> entry) override;
 
 	/** filename to write to */
 	boost::filesystem::path _file;
diff --git a/src/lib/image_content.h b/src/lib/image_content.h
index 81396c63b..d817eeee8 100644
--- a/src/lib/image_content.h
+++ b/src/lib/image_content.h
@@ -37,21 +37,21 @@ public:
 		return std::dynamic_pointer_cast<const ImageContent> (Content::shared_from_this ());
 	};
 
-	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>);
-	std::string summary () const;
-	std::string technical_summary () const;
-	void as_xml (xmlpp::Node *, bool with_paths) const;
-	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const;
-	dcpomatic::DCPTime approximate_length () const;
+	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>) override;
+	std::string summary () const override;
+	std::string technical_summary () const override;
+	void as_xml (xmlpp::Node *, bool with_paths) const override;
+	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const override;
+	dcpomatic::DCPTime approximate_length () const override;
 
-	std::string identifier () const;
+	std::string identifier () const override;
 
 	void set_default_colour_conversion ();
 
 	bool still () const;
 
 private:
-	void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty>& p) const;
+	void add_properties (std::shared_ptr<const Film> film, std::list<UserProperty>& p) const override;
 
 	boost::optional<boost::filesystem::path> _path_to_scan;
 };
diff --git a/src/lib/j2k_image_proxy.h b/src/lib/j2k_image_proxy.h
index d925bef86..9666ea406 100644
--- a/src/lib/j2k_image_proxy.h
+++ b/src/lib/j2k_image_proxy.h
@@ -59,13 +59,13 @@ public:
 	Result image (
 		Image::Alignment alignment,
 		boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
-		) const;
+		) const override;
 
-	void add_metadata (xmlpp::Node *) const;
-	void write_to_socket (std::shared_ptr<Socket>) const;
+	void add_metadata (xmlpp::Node *) const override;
+	void write_to_socket (std::shared_ptr<Socket> override) const override;
 	/** @return true if our image is definitely the same as another, false if it is probably not */
-	bool same (std::shared_ptr<const ImageProxy>) const;
-	int prepare (Image::Alignment alignment, boost::optional<dcp::Size> = boost::optional<dcp::Size>()) const;
+	bool same (std::shared_ptr<const ImageProxy>) const override;
+	int prepare (Image::Alignment alignment, boost::optional<dcp::Size> = boost::optional<dcp::Size>()) const override;
 
 	std::shared_ptr<const dcp::Data> j2k () const {
 		return _data;
@@ -79,7 +79,7 @@ public:
 		return _eye;
 	}
 
-	size_t memory_used () const;
+	size_t memory_used () const override;
 
 private:
 	std::shared_ptr<const dcp::Data> _data;
diff --git a/src/lib/mid_side_decoder.h b/src/lib/mid_side_decoder.h
index 99821caa4..857975478 100644
--- a/src/lib/mid_side_decoder.h
+++ b/src/lib/mid_side_decoder.h
@@ -25,11 +25,11 @@
 class MidSideDecoder : public AudioProcessor
 {
 public:
-	std::string name () const;
-	std::string id () const;
-	int out_channels () const;
-	std::shared_ptr<AudioProcessor> clone (int) const;
-	std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers>, int channels);
-	void make_audio_mapping_default (AudioMapping& mapping) const;
-	std::vector<NamedChannel> input_names () const;
+	std::string name () const override;
+	std::string id () const override;
+	int out_channels () const override;
+	std::shared_ptr<AudioProcessor> clone (int) const override;
+	std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers>, int channels) override;
+	void make_audio_mapping_default (AudioMapping& mapping) const override;
+	std::vector<NamedChannel> input_names () const override;
 };
diff --git a/src/lib/null_log.h b/src/lib/null_log.h
index ce6017ca2..2c7232f14 100644
--- a/src/lib/null_log.h
+++ b/src/lib/null_log.h
@@ -23,5 +23,5 @@
 class NullLog : public Log
 {
 private:
-	void do_log (std::shared_ptr<const LogEntry>) {}
+	void do_log (std::shared_ptr<const LogEntry>) override {}
 };
diff --git a/src/lib/raw_image_proxy.h b/src/lib/raw_image_proxy.h
index c9885654b..1111b66c0 100644
--- a/src/lib/raw_image_proxy.h
+++ b/src/lib/raw_image_proxy.h
@@ -35,12 +35,12 @@ public:
 	Result image (
 		Image::Alignment alignment,
 		boost::optional<dcp::Size> size = boost::optional<dcp::Size> ()
-		) const;
+		) const override;
 
-	void add_metadata (xmlpp::Node *) const;
-	void write_to_socket (std::shared_ptr<Socket>) const;
-	bool same (std::shared_ptr<const ImageProxy>) const;
-	size_t memory_used () const;
+	void add_metadata (xmlpp::Node *) const override;
+	void write_to_socket (std::shared_ptr<Socket>) const override;
+	bool same (std::shared_ptr<const ImageProxy>) const override;
+	size_t memory_used () const override;
 
 private:
 	std::shared_ptr<Image> _image;
diff --git a/src/lib/screen.h b/src/lib/screen.h
index 6103d207d..84cecb80b 100644
--- a/src/lib/screen.h
+++ b/src/lib/screen.h
@@ -62,7 +62,7 @@ public:
 
 	explicit Screen (cxml::ConstNodePtr);
 
-	void as_xml (xmlpp::Element *) const;
+	void as_xml (xmlpp::Element *) const override;
 	std::vector<std::string> trusted_device_thumbprints () const;
 
 	std::shared_ptr<Cinema> cinema;
diff --git a/src/lib/send_kdm_email_job.h b/src/lib/send_kdm_email_job.h
index 2b010665c..76fb72b8a 100644
--- a/src/lib/send_kdm_email_job.h
+++ b/src/lib/send_kdm_email_job.h
@@ -53,9 +53,9 @@ public:
 
 	~SendKDMEmailJob ();
 
-	std::string name () const;
-	std::string json_name () const;
-	void run ();
+	std::string name () const override;
+	std::string json_name () const override;
+	void run () override;
 
 private:
 	dcp::NameFormat _container_name_format;
diff --git a/src/lib/stdout_log.h b/src/lib/stdout_log.h
index 0dcc243db..2d5f30ee8 100644
--- a/src/lib/stdout_log.h
+++ b/src/lib/stdout_log.h
@@ -29,5 +29,5 @@ public:
 	explicit StdoutLog (int types);
 
 private:
-	void do_log (std::shared_ptr<const LogEntry> entry);
+	void do_log (std::shared_ptr<const LogEntry> entry) override;
 };
diff --git a/src/lib/string_log_entry.h b/src/lib/string_log_entry.h
index 143ada024..542a84646 100644
--- a/src/lib/string_log_entry.h
+++ b/src/lib/string_log_entry.h
@@ -28,7 +28,7 @@ class StringLogEntry : public LogEntry
 public:
 	StringLogEntry (int type, std::string message);
 
-	std::string message () const {
+	std::string message () const override {
 		return _message;
 	}
 
diff --git a/src/lib/string_text_file_content.h b/src/lib/string_text_file_content.h
index ef908051c..9c7d4cea0 100644
--- a/src/lib/string_text_file_content.h
+++ b/src/lib/string_text_file_content.h
@@ -42,13 +42,13 @@ public:
 		return std::dynamic_pointer_cast<const StringTextFileContent> (Content::shared_from_this ());
 	}
 
-	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>);
-	std::string summary () const;
-	std::string technical_summary () const;
-	void as_xml (xmlpp::Node *, bool with_paths) const;
-	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const;
-	dcpomatic::DCPTime approximate_length () const;
-	std::string identifier () const;
+	void examine (std::shared_ptr<const Film> film, std::shared_ptr<Job>) override;
+	std::string summary () const override;
+	std::string technical_summary () const override;
+	void as_xml (xmlpp::Node *, bool with_paths) const override;
+	dcpomatic::DCPTime full_length (std::shared_ptr<const Film> film) const override;
+	dcpomatic::DCPTime approximate_length () const override;
+	std::string identifier () const override;
 
 private:
 	dcpomatic::ContentTime _length;
diff --git a/src/lib/string_text_file_decoder.h b/src/lib/string_text_file_decoder.h
index aa8c80e6e..5887f34c6 100644
--- a/src/lib/string_text_file_decoder.h
+++ b/src/lib/string_text_file_decoder.h
@@ -31,10 +31,10 @@ class StringTextFileDecoder : public Decoder, public StringTextFile
 public:
 	StringTextFileDecoder (std::shared_ptr<const Film> film, std::shared_ptr<const StringTextFileContent>);
 
-	void seek (dcpomatic::ContentTime time, bool accurate);
-	bool pass ();
+	void seek (dcpomatic::ContentTime time, bool accurate) override;
+	bool pass () override;
 
-	std::vector<dcpomatic::FontData> fonts () const;
+	std::vector<dcpomatic::FontData> fonts () const override;
 
 private:
 	dcpomatic::ContentTimePeriod content_time_period (sub::Subtitle s) const;
diff --git a/src/lib/text_decoder.h b/src/lib/text_decoder.h
index d1355afb0..39d6e828d 100644
--- a/src/lib/text_decoder.h
+++ b/src/lib/text_decoder.h
@@ -48,7 +48,7 @@ public:
 		dcpomatic::ContentTime first
 		);
 
-	boost::optional<dcpomatic::ContentTime> position (std::shared_ptr<const Film>) const {
+	boost::optional<dcpomatic::ContentTime> position (std::shared_ptr<const Film>) const override {
 		return _position;
 	}
 
@@ -60,7 +60,7 @@ public:
 	void emit_plain (dcpomatic::ContentTimePeriod period, sub::Subtitle const & subtitle);
 	void emit_stop (dcpomatic::ContentTime to);
 
-	void seek ();
+	void seek () override;
 
 	std::shared_ptr<const TextContent> content () const {
 		return _content;
diff --git a/src/lib/upload_job.h b/src/lib/upload_job.h
index afd5ebda4..a3da164bf 100644
--- a/src/lib/upload_job.h
+++ b/src/lib/upload_job.h
@@ -33,10 +33,10 @@ public:
 	explicit UploadJob (std::shared_ptr<const Film>);
 	~UploadJob ();
 
-	std::string name () const;
-	std::string json_name () const;
-	void run ();
-	std::string status () const;
+	std::string name () const override;
+	std::string json_name () const override;
+	void run () override;
+	std::string status () const override;
 
 private:
 	void set_status (std::string);
diff --git a/src/lib/upmixer_a.h b/src/lib/upmixer_a.h
index b357616ef..9e364dcc9 100644
--- a/src/lib/upmixer_a.h
+++ b/src/lib/upmixer_a.h
@@ -36,14 +36,14 @@ class UpmixerA : public AudioProcessor
 public:
 	explicit UpmixerA (int sampling_rate);
 
-	std::string name () const;
-	std::string id () const;
-	int out_channels () const;
-	std::shared_ptr<AudioProcessor> clone (int) const;
-	std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers>, int channels);
-	void flush ();
-	void make_audio_mapping_default (AudioMapping& mapping) const;
-	std::vector<NamedChannel> input_names () const;
+	std::string name () const override;
+	std::string id () const override;
+	int out_channels () const override;
+	std::shared_ptr<AudioProcessor> clone (int) const override;
+	std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers>, int channels) override;
+	void flush () override;
+	void make_audio_mapping_default (AudioMapping& mapping) const override;
+	std::vector<NamedChannel> input_names () const override;
 
 private:
 	BandPassAudioFilter _left;
diff --git a/src/lib/upmixer_b.h b/src/lib/upmixer_b.h
index fc30e2a28..611ed6a90 100644
--- a/src/lib/upmixer_b.h
+++ b/src/lib/upmixer_b.h
@@ -34,14 +34,14 @@ class UpmixerB : public AudioProcessor
 public:
 	explicit UpmixerB (int sampling_rate);
 
-	std::string name () const;
-	std::string id () const;
-	int out_channels () const;
-	std::shared_ptr<AudioProcessor> clone (int) const;
-	std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers>, int channels);
-	void flush ();
-	void make_audio_mapping_default (AudioMapping& mapping) const;
-	std::vector<NamedChannel> input_names () const;
+	std::string name () const override;
+	std::string id () const override;
+	int out_channels () const override;
+	std::shared_ptr<AudioProcessor> clone (int) const override;
+	std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers>, int channels) override;
+	void flush () override;
+	void make_audio_mapping_default (AudioMapping& mapping) const override;
+	std::vector<NamedChannel> input_names () const override;
 
 private:
 	LowPassAudioFilter _lfe;
diff --git a/src/lib/video_decoder.h b/src/lib/video_decoder.h
index 9d69f743a..828ac66a2 100644
--- a/src/lib/video_decoder.h
+++ b/src/lib/video_decoder.h
@@ -56,11 +56,11 @@ public:
 	friend struct ffmpeg_pts_offset_test;
 	friend void ffmpeg_decoder_sequential_test_one (boost::filesystem::path file, float fps, int gaps, int video_length);
 
-	boost::optional<dcpomatic::ContentTime> position (std::shared_ptr<const Film>) const {
+	boost::optional<dcpomatic::ContentTime> position (std::shared_ptr<const Film>) const override {
 		return _position;
 	}
 
-	void seek ();
+	void seek () override;
 	void emit (std::shared_ptr<const Film> film, std::shared_ptr<const ImageProxy>, Frame frame);
 
 	boost::signals2::signal<void (ContentVideo)> Data;