28 files changed, 117 insertions, 88 deletions
diff --git a/src/lib/ab_transcoder.cc b/src/lib/ab_transcoder.cc
index 4ed5d02ca..3a1cd83d7 100644
--- a/src/lib/ab_transcoder.cc
+++ b/src/lib/ab_transcoder.cc
@@ -40,6 +40,7 @@
 
 using std::string;
 using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
 
 /** @param a Film to use for the left half of the screen.
  *  @param b Film to use for the right half of the screen.
@@ -54,6 +55,7 @@ ABTranscoder::ABTranscoder (
 	, _film_b (b)
 	, _job (j)
 	, _encoder (e)
+	, _combiner (new Combiner (a->log()))
 {
 	_da = decoder_factory (_film_a, o);
 	_db = decoder_factory (_film_b, o);
@@ -92,17 +94,24 @@ void
 ABTranscoder::go ()
 {
 	_encoder->process_begin ();
+
+	bool done[3] = { false, false, false };
 	
 	while (1) {
-		bool const va = _da.video->pass ();
-		bool const vb = _db.video->pass ();
-		bool const a = _da.audio->pass ();
+		done[0] = _da.video->pass ();
+		done[1] = _db.video->pass ();
+		
+		if (!done[2] && _da.audio && dynamic_pointer_cast<Decoder> (_da.audio) != dynamic_pointer_cast<Decoder> (_da.video)) {
+			done[2] = _da.audio->pass ();
+		} else {
+			done[2] = true;
+		}
 
 		if (_job) {
 			_da.video->set_progress (_job);
 		}
 
-		if (va && vb && a) {
+		if (done[0] && done[1] && done[2]) {
 			break;
 		}
 	}
diff --git a/src/lib/analyse_audio_job.cc b/src/lib/analyse_audio_job.cc
index 41f918f34..92c3cdd4e 100644
--- a/src/lib/analyse_audio_job.cc
+++ b/src/lib/analyse_audio_job.cc
@@ -29,6 +29,7 @@
 
 using std::string;
 using std::max;
+using std::min;
 using std::cout;
 using boost::shared_ptr;
 
@@ -67,7 +68,7 @@ AnalyseAudioJob::run ()
 	decoders.audio->Audio.connect (bind (&AnalyseAudioJob::audio, this, _1));
 
 	int64_t total_audio_frames = video_frames_to_audio_frames (_film->length().get(), _film->audio_stream()->sample_rate(), _film->source_frame_rate());
-	_samples_per_point = total_audio_frames / _num_points;
+	_samples_per_point = max (1L, total_audio_frames / _num_points);
 
 	_current.resize (_film->audio_stream()->channels ());
 	_analysis.reset (new AudioAnalysis (_film->audio_stream()->channels()));
diff --git a/src/lib/combiner.cc b/src/lib/combiner.cc
index 68aafd2a2..12ce4a96e 100644
--- a/src/lib/combiner.cc
+++ b/src/lib/combiner.cc
@@ -22,7 +22,7 @@
 
 using boost::shared_ptr;
 
-Combiner::Combiner (Log* log)
+Combiner::Combiner (shared_ptr<Log> log)
 	: VideoProcessor (log)
 {
 
diff --git a/src/lib/combiner.h b/src/lib/combiner.h
index 7fad1aeae..68026eaff 100644
--- a/src/lib/combiner.h
+++ b/src/lib/combiner.h
@@ -31,7 +31,7 @@
 class Combiner : public VideoProcessor
 {
 public:
-	Combiner (Log* log);
+	Combiner (boost::shared_ptr<Log> log);
 
 	void process_video (boost::shared_ptr<Image> i, bool, boost::shared_ptr<Subtitle> s);
 	void process_video_b (boost::shared_ptr<Image> i, bool, boost::shared_ptr<Subtitle> s);
diff --git a/src/lib/dcp_video_frame.cc b/src/lib/dcp_video_frame.cc
index 67617c63c..d674393a9 100644
--- a/src/lib/dcp_video_frame.cc
+++ b/src/lib/dcp_video_frame.cc
@@ -70,7 +70,7 @@ using libdcp::Size;
  *  @param out Required size of output, in pixels (including any padding).
  *  @param s Scaler to use.
  *  @param p Number of pixels of padding either side of the image.
- *  @param f Index of the frame within the DCP's intrinsic duration.
+ *  @param f Index of the frame within the DCP.
  *  @param fps Frames per second of the Film's source.
  *  @param pp FFmpeg post-processing string to use.
  *  @param clut Colour look-up table to use (see Config::colour_lut_index ())
@@ -80,7 +80,7 @@ using libdcp::Size;
 DCPVideoFrame::DCPVideoFrame (
 	shared_ptr<const Image> yuv, shared_ptr<Subtitle> sub,
 	Size out, int p, int subtitle_offset, float subtitle_scale,
-	Scaler const * s, int f, int dcp_fps, string pp, int clut, int bw, Log* l
+	Scaler const * s, int f, int dcp_fps, string pp, int clut, int bw, shared_ptr<Log> l
 	)
 	: _input (yuv)
 	, _subtitle (sub)
diff --git a/src/lib/dcp_video_frame.h b/src/lib/dcp_video_frame.h
index 6794765ac..4ceb07d26 100644
--- a/src/lib/dcp_video_frame.h
+++ b/src/lib/dcp_video_frame.h
@@ -107,7 +107,7 @@ class DCPVideoFrame
 public:
 	DCPVideoFrame (
 		boost::shared_ptr<const Image>, boost::shared_ptr<Subtitle>, libdcp::Size,
-		int, int, float, Scaler const *, int, int, std::string, int, int, Log *
+		int, int, float, Scaler const *, int, int, std::string, int, int, boost::shared_ptr<Log>
 		);
 	
 	virtual ~DCPVideoFrame ();
@@ -135,7 +135,7 @@ private:
 	int _colour_lut;                 ///< Colour look-up table to use
 	int _j2k_bandwidth;              ///< J2K bandwidth to use
 
-	Log* _log; ///< log
+	boost::shared_ptr<Log> _log; ///< log
 
 	opj_image_cmptparm_t _cmptparm[3]; ///< libopenjpeg's opj_image_cmptparm_t
 	opj_image* _image;                 ///< libopenjpeg's image container 
diff --git a/src/lib/delay_line.cc b/src/lib/delay_line.cc
index 4ad172781..53da9a412 100644
--- a/src/lib/delay_line.cc
+++ b/src/lib/delay_line.cc
@@ -30,7 +30,7 @@ using boost::shared_ptr;
 /** @param channels Number of channels of audio.
  *  @param frames Delay in frames, +ve to move audio later.
  */
-DelayLine::DelayLine (Log* log, int channels, int frames)
+DelayLine::DelayLine (shared_ptr<Log> log, int channels, int frames)
 	: AudioProcessor (log)
 	, _negative_delay_remaining (0)
 	, _frames (frames)
diff --git a/src/lib/delay_line.h b/src/lib/delay_line.h
index 4d6f1313b..c51784f35 100644
--- a/src/lib/delay_line.h
+++ b/src/lib/delay_line.h
@@ -26,7 +26,7 @@ class AudioBuffers;
 class DelayLine : public AudioProcessor
 {
 public:
-	DelayLine (Log* log, int channels, int frames);
+	DelayLine (boost::shared_ptr<Log> log, int channels, int frames);
 	
 	void process_audio (boost::shared_ptr<AudioBuffers>);
 
diff --git a/src/lib/film.cc b/src/lib/film.cc
index 8f545952b..77f9828cd 100644
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -144,12 +144,13 @@ Film::Film (string d, bool must_exist)
 		read_metadata ();
 	}
 
-	_log = new FileLog (file ("log"));
+	_log.reset (new FileLog (file ("log")));
 }
 
 Film::Film (Film const & o)
 	: boost::enable_shared_from_this<Film> (o)
-	, _log (0)
+	/* note: the copied film shares the original's log */
+	, _log               (o._log)
 	, _directory         (o._directory)
 	, _name              (o._name)
 	, _use_dci_name      (o._use_dci_name)
@@ -180,7 +181,6 @@ Film::Film (Film const & o)
 	, _dcp_frame_rate    (o._dcp_frame_rate)
 	, _size              (o._size)
 	, _length            (o._length)
-	, _dcp_intrinsic_duration (o._dcp_intrinsic_duration)
 	, _content_digest    (o._content_digest)
 	, _content_audio_streams (o._content_audio_streams)
 	, _external_audio_stream (o._external_audio_stream)
@@ -188,12 +188,12 @@ Film::Film (Film const & o)
 	, _source_frame_rate (o._source_frame_rate)
 	, _dirty             (o._dirty)
 {
-
+	
 }
 
 Film::~Film ()
 {
-	delete _log;
+
 }
 
 string
@@ -350,9 +350,12 @@ void
 Film::analyse_audio_finished ()
 {
 	ensure_ui_thread ();
-	_analyse_audio_job.reset ();
 
-	AudioAnalysisFinished ();
+	if (_analyse_audio_job->finished_ok ()) {
+		AudioAnalysisSucceeded ();
+	}
+	
+	_analyse_audio_job.reset ();
 }
 
 void
@@ -450,7 +453,6 @@ Film::write_metadata () const
 	f << "width " << _size.width << endl;
 	f << "height " << _size.height << endl;
 	f << "length " << _length.get_value_or(0) << endl;
-	f << "dcp_intrinsic_duration " << _dcp_intrinsic_duration.get_value_or(0) << endl;
 	f << "content_digest " << _content_digest << endl;
 
 	for (vector<shared_ptr<AudioStream> >::const_iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
@@ -591,11 +593,6 @@ Film::read_metadata ()
 			if (vv) {
 				_length = vv;
 			}
-		} else if (k == "dcp_intrinsic_duration") {
-			int const vv = atoi (v.c_str ());
-			if (vv) {
-				_dcp_intrinsic_duration = vv;
-			}
 		} else if (k == "content_digest") {
 			_content_digest = v;
 		} else if (k == "content_audio_stream" || (!version && k == "audio_stream")) {
@@ -1291,16 +1288,6 @@ Film::unset_length ()
 }
 
 void
-Film::set_dcp_intrinsic_duration (int d)
-{
-	{
-		boost::mutex::scoped_lock lm (_state_mutex);
-		_dcp_intrinsic_duration = d;
-	}
-	signal_changed (DCP_INTRINSIC_DURATION);
-}
-
-void
 Film::set_content_digest (string d)
 {
 	{
@@ -1434,3 +1421,21 @@ Film::have_dcp () const
 
 	return true;
 }
+
+bool
+Film::has_audio () const
+{
+	if (use_content_audio()) {
+		return audio_stream();
+	}
+
+	vector<string> const e = external_audio ();
+	for (vector<string>::const_iterator i = e.begin(); i != e.end(); ++i) {
+		if (!i->empty ()) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
diff --git a/src/lib/film.h b/src/lib/film.h
index 9921acbb4..698e7ef46 100644
--- a/src/lib/film.h
+++ b/src/lib/film.h
@@ -77,7 +77,7 @@ public:
 	/** @return Logger.
 	 *  It is safe to call this from any thread.
 	 */
-	Log* log () const {
+	boost::shared_ptr<Log> log () const {
 		return _log;
 	}
 
@@ -98,10 +98,6 @@ public:
 	std::string dci_name (bool if_created_now) const;
 	std::string dcp_name (bool if_created_now = false) const;
 
-	boost::optional<int> dcp_intrinsic_duration () const {
-		return _dcp_intrinsic_duration;
-	}
-
 	/** @return true if our state has changed since we last saved it */
 	bool dirty () const {
 		return _dirty;
@@ -145,7 +141,6 @@ public:
 		DCI_METADATA,
 		SIZE,
 		LENGTH,
-		DCP_INTRINSIC_DURATION,
 		CONTENT_AUDIO_STREAMS,
 		SUBTITLE_STREAMS,
 		SOURCE_FRAME_RATE,
@@ -327,7 +322,7 @@ public:
 	}
 
 	boost::shared_ptr<AudioStream> audio_stream () const;
-
+	bool has_audio () const;
 	
 	/* SET */
 
@@ -365,7 +360,6 @@ public:
 	void set_size (libdcp::Size);
 	void set_length (SourceFrame);
 	void unset_length ();
-	void set_dcp_intrinsic_duration (int);
 	void set_content_digest (std::string);
 	void set_content_audio_streams (std::vector<boost::shared_ptr<AudioStream> >);
 	void set_subtitle_streams (std::vector<boost::shared_ptr<SubtitleStream> >);
@@ -374,7 +368,7 @@ public:
 	/** Emitted when some property has changed */
 	mutable boost::signals2::signal<void (Property)> Changed;
 
-	boost::signals2::signal<void ()> AudioAnalysisFinished;
+	boost::signals2::signal<void ()> AudioAnalysisSucceeded;
 
 	/** Current version number of the state file */
 	static int const state_version;
@@ -382,7 +376,7 @@ public:
 private:
 	
 	/** Log to write to */
-	Log* _log;
+	boost::shared_ptr<Log> _log;
 
 	/** Any running ExamineContentJob, or 0 */
 	boost::shared_ptr<ExamineContentJob> _examine_content_job;
@@ -477,7 +471,6 @@ private:
 	libdcp::Size _size;
 	/** The length of the source, in video frames (as far as we know) */
 	boost::optional<SourceFrame> _length;
-	boost::optional<int> _dcp_intrinsic_duration;
 	/** MD5 digest of our content file */
 	std::string _content_digest;
 	/** The audio streams in our content */
diff --git a/src/lib/gain.cc b/src/lib/gain.cc
index cec3b3c62..df7011d2e 100644
--- a/src/lib/gain.cc
+++ b/src/lib/gain.cc
@@ -22,7 +22,7 @@
 using boost::shared_ptr;
 
 /** @param gain gain in dB */
-Gain::Gain (Log* log, float gain)
+Gain::Gain (shared_ptr<Log> log, float gain)
 	: AudioProcessor (log)
 	, _gain (gain)
 {
diff --git a/src/lib/gain.h b/src/lib/gain.h
index 716ee9b51..d462e5aee 100644
--- a/src/lib/gain.h
+++ b/src/lib/gain.h
@@ -22,7 +22,7 @@
 class Gain : public AudioProcessor
 {
 public:
-	Gain (Log* log, float gain);
+	Gain (boost::shared_ptr<Log> log, float gain);
 
 	void process_audio (boost::shared_ptr<AudioBuffers>);
 
diff --git a/src/lib/matcher.cc b/src/lib/matcher.cc
index 4cd264338..48f6ed912 100644
--- a/src/lib/matcher.cc
+++ b/src/lib/matcher.cc
@@ -26,7 +26,7 @@
 using std::min;
 using boost::shared_ptr;
 
-Matcher::Matcher (Log* log, int sample_rate, float frames_per_second)
+Matcher::Matcher (shared_ptr<Log> log, int sample_rate, float frames_per_second)
 	: AudioVideoProcessor (log)
 	, _sample_rate (sample_rate)
 	, _frames_per_second (frames_per_second)
diff --git a/src/lib/matcher.h b/src/lib/matcher.h
index 60bb87432..b1680e131 100644
--- a/src/lib/matcher.h
+++ b/src/lib/matcher.h
@@ -24,7 +24,7 @@
 class Matcher : public AudioVideoProcessor
 {
 public:
-	Matcher (Log* log, int sample_rate, float frames_per_second);
+	Matcher (boost::shared_ptr<Log> log, int sample_rate, float frames_per_second);
 	void process_video (boost::shared_ptr<Image> i, bool, boost::shared_ptr<Subtitle> s);
 	void process_audio (boost::shared_ptr<AudioBuffers>);
 	void process_end ();
diff --git a/src/lib/processor.h b/src/lib/processor.h
index 19d7c4b0c..1ba396f2f 100644
--- a/src/lib/processor.h
+++ b/src/lib/processor.h
@@ -40,7 +40,7 @@ public:
 	/** Construct a Processor.
 	 *  @param log Log to use.
 	 */
-	Processor (Log* log)
+	Processor (boost::shared_ptr<Log> log)
 		: _log (log)
 	{}
 
@@ -50,7 +50,7 @@ public:
 	virtual void process_end () {}
 
 protected:
-	Log* _log; ///< log to write to
+	boost::shared_ptr<Log> _log; ///< log to write to
 };
 
 /** @class AudioVideoProcessor
@@ -62,7 +62,7 @@ public:
 	/** Construct an AudioVideoProcessor.
 	 *  @param log Log to write to.
 	 */
-	AudioVideoProcessor (Log* log)
+	AudioVideoProcessor (boost::shared_ptr<Log> log)
 		: Processor (log)
 	{}
 };
@@ -76,7 +76,7 @@ public:
 	/** Construct an AudioProcessor.
 	 *  @param log Log to write to.
 	 */
-	AudioProcessor (Log* log)
+	AudioProcessor (boost::shared_ptr<Log> log)
 		: Processor (log)
 	{}
 };
@@ -90,7 +90,7 @@ public:
 	/** Construct an VideoProcessor.
 	 *  @param log Log to write to.
 	 */
-	VideoProcessor (Log* log)
+	VideoProcessor (boost::shared_ptr<Log> log)
 		: Processor (log)
 	{}
 };
diff --git a/src/lib/server.cc b/src/lib/server.cc
index 76a25bfbb..9c5a77f68 100644
--- a/src/lib/server.cc
+++ b/src/lib/server.cc
@@ -77,7 +77,7 @@ ServerDescription::as_metadata () const
 	return s.str ();
 }
 
-Server::Server (Log* log)
+Server::Server (shared_ptr<Log> log)
 	: _log (log)
 {
 
diff --git a/src/lib/server.h b/src/lib/server.h
index 32ba8dc4b..89aeca626 100644
--- a/src/lib/server.h
+++ b/src/lib/server.h
@@ -76,7 +76,7 @@ private:
 class Server
 {
 public:
-	Server (Log* log);
+	Server (boost::shared_ptr<Log> log);
 
 	void run (int num_threads);
 
@@ -88,5 +88,5 @@ private:
 	std::list<boost::shared_ptr<Socket> > _queue;
 	boost::mutex _worker_mutex;
 	boost::condition _worker_condition;
-	Log* _log;
+	boost::shared_ptr<Log> _log;
 };
diff --git a/src/lib/transcode_job.cc b/src/lib/transcode_job.cc
index f7cc500fe..234ebe051 100644
--- a/src/lib/transcode_job.cc
+++ b/src/lib/transcode_job.cc
@@ -68,10 +68,7 @@ TranscodeJob::run ()
 		set_progress (1);
 		set_state (FINISHED_OK);
 
-		_film->set_dcp_intrinsic_duration (_encoder->video_frames_out ());
-
 		_film->log()->log (N_("Transcode job completed successfully"));
-		_film->log()->log (String::compose (N_("DCP intrinsic duration is %1"), _encoder->video_frames_out()));
 
 	} catch (std::exception& e) {
 
diff --git a/src/lib/transcoder.cc b/src/lib/transcoder.cc
index 9720ca56a..e0f3a03a2 100644
--- a/src/lib/transcoder.cc
+++ b/src/lib/transcoder.cc
@@ -38,7 +38,6 @@
 #include "audio_decoder.h"
 
 using std::string;
-using std::cout;
 using boost::shared_ptr;
 using boost::dynamic_pointer_cast;
 
diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 5a2f7c9a9..2d7ee9ba3 100644
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -261,8 +261,6 @@ Writer::finish ()
 	int const frames = _last_written_frame + 1;
 	int const duration = frames - _film->trim_start() - _film->trim_end();
 	
-	_film->set_dcp_intrinsic_duration (frames);
-	
 	_picture_asset->set_entry_point (_film->trim_start ());
 	_picture_asset->set_duration (duration);
 
@@ -275,8 +273,14 @@ Writer::finish ()
 	boost::filesystem::path to;
 	to /= _film->dir (_film->dcp_name());
 	to /= N_("video.mxf");
-	
-	boost::filesystem::create_hard_link (from, to);
+
+	boost::system::error_code ec;
+	boost::filesystem::create_hard_link (from, to, ec);
+	if (ec) {
+		/* hard link failed; copy instead */
+		boost::filesystem::copy_file (from, to);
+		_film->log()->log ("Hard-link failed; fell back to copying");
+	}
 
 	/* And update the asset */
 
diff --git a/src/tools/dvdomatic.cc b/src/tools/dvdomatic.cc
index d08975061..084e0fff7 100644
--- a/src/tools/dvdomatic.cc
+++ b/src/tools/dvdomatic.cc
@@ -479,12 +479,16 @@ class App : public wxApp
 #ifdef DVDOMATIC_POSIX		
 		unsetenv ("UBUNTU_MENUPROXY");
 #endif		
-		
+
+		/* This needs to be before setup_i18n, as setup_i18n() will
+		   create a Config object, which needs Scalers to have
+		   been created.
+		*/
+		dvdomatic_setup ();
+
 		wxInitAllImageHandlers ();
 		setup_i18n ();
 		
-		dvdomatic_setup ();
-
 		if (!film_to_load.empty() && boost::filesystem::is_directory (film_to_load)) {
 			try {
 				film.reset (new Film (film_to_load));
diff --git a/src/tools/servomatic_cli.cc b/src/tools/servomatic_cli.cc
index f8e713193..6626d45b9 100644
--- a/src/tools/servomatic_cli.cc
+++ b/src/tools/servomatic_cli.cc
@@ -42,7 +42,10 @@
 #include "log.h"
 #include "version.h"
 
-using namespace std;
+using std::cerr;
+using std::string;
+using std::cout;
+using boost::shared_ptr;
 
 static void
 help (string n)
@@ -87,8 +90,8 @@ main (int argc, char* argv[])
 	}
 
 	Scaler::setup_scalers ();
-	FileLog log ("servomatic.log");
-	Server server (&log);
+	shared_ptr<FileLog> log (new FileLog ("servomatic.log"));
+	Server server (log);
 	server.run (num_threads);
 	return 0;
 }
diff --git a/src/tools/servomatic_gui.cc b/src/tools/servomatic_gui.cc
index 610ba8005..dd169725f 100644
--- a/src/tools/servomatic_gui.cc
+++ b/src/tools/servomatic_gui.cc
@@ -25,8 +25,11 @@
 #include "lib/server.h"
 #include "lib/config.h"
 
-using namespace std;
-using namespace boost;
+using std::cout;
+using std::string;
+using boost::shared_ptr;
+using boost::thread;
+using boost::bind;
 
 enum {
 	ID_status = 1,
@@ -52,7 +55,7 @@ private:
 	string _log;	
 };
 
-static MemoryLog memory_log;
+static shared_ptr<MemoryLog> memory_log (new MemoryLog);
 
 class StatusDialog : public wxDialog
 {
@@ -77,7 +80,7 @@ public:
 private:
 	void update (wxTimerEvent &)
 	{
-		_text->ChangeValue (std_to_wx (memory_log.get ()));
+		_text->ChangeValue (std_to_wx (memory_log->get ()));
 		_sizer->Layout ();
 	}
 
@@ -141,7 +144,7 @@ private:
 
 	void main_thread ()
 	{
-		Server server (&memory_log);
+		Server server (memory_log);
 		server.run (Config::instance()->num_local_encoding_threads ());
 	}
 
diff --git a/src/tools/servomatictest.cc b/src/tools/servomatictest.cc
index 91ad02120..f5756c693 100644
--- a/src/tools/servomatictest.cc
+++ b/src/tools/servomatictest.cc
@@ -43,7 +43,7 @@ using std::pair;
 using boost::shared_ptr;
 
 static ServerDescription* server;
-static FileLog log_ ("servomatictest.log");
+static shared_ptr<FileLog> log_ (new FileLog ("servomatictest.log"));
 static int frame = 0;
 
 void
@@ -53,14 +53,14 @@ process_video (shared_ptr<Image> image, bool, shared_ptr<Subtitle> sub)
 		new DCPVideoFrame (
 			image, sub,
 			libdcp::Size (1024, 1024), 0, 0, 0,
-			Scaler::from_id ("bicubic"), frame, 24, "", 0, 250000000, &log_)
+			Scaler::from_id ("bicubic"), frame, 24, "", 0, 250000000, log_)
 		);
 	
 	shared_ptr<DCPVideoFrame> remote (
 		new DCPVideoFrame (
 			image, sub,
 			libdcp::Size (1024, 1024), 0, 0, 0,
-			Scaler::from_id ("bicubic"), frame, 24, "", 0, 250000000, &log_)
+			Scaler::from_id ("bicubic"), frame, 24, "", 0, 250000000, log_)
 		);
 
 	cout << "Frame " << frame << ": ";
diff --git a/src/wx/audio_dialog.cc b/src/wx/audio_dialog.cc
index 5bac8eabe..ba7ddd8f7 100644
--- a/src/wx/audio_dialog.cc
+++ b/src/wx/audio_dialog.cc
@@ -87,7 +87,7 @@ void
 AudioDialog::set_film (boost::shared_ptr<Film> f)
 {
 	_film_changed_connection.disconnect ();
-	_film_audio_analysis_finished_connection.disconnect ();
+	_film_audio_analysis_succeeded_connection.disconnect ();
 	
 	_film = f;
 
@@ -96,7 +96,7 @@ AudioDialog::set_film (boost::shared_ptr<Film> f)
 	_plot->set_gain (_film->audio_gain ());
 
 	_film_changed_connection = _film->Changed.connect (bind (&AudioDialog::film_changed, this, _1));
-	_film_audio_analysis_finished_connection = _film->AudioAnalysisFinished.connect (bind (&AudioDialog::try_to_load_analysis, this));
+	_film_audio_analysis_succeeded_connection = _film->AudioAnalysisSucceeded.connect (bind (&AudioDialog::try_to_load_analysis, this));
 
 	SetTitle (std_to_wx (String::compose (wx_to_std (_("DVD-o-matic audio - %1")), _film->name())));
 }
diff --git a/src/wx/audio_dialog.h b/src/wx/audio_dialog.h
index 16cb356fe..514faeea0 100644
--- a/src/wx/audio_dialog.h
+++ b/src/wx/audio_dialog.h
@@ -47,5 +47,5 @@ private:
 	wxCheckBox* _type_checkbox[AudioPoint::COUNT];
 	wxSlider* _smoothing;
 	boost::signals2::scoped_connection _film_changed_connection;
-	boost::signals2::scoped_connection _film_audio_analysis_finished_connection;
+	boost::signals2::scoped_connection _film_audio_analysis_succeeded_connection;
 };
diff --git a/src/wx/film_editor.cc b/src/wx/film_editor.cc
index b9a4012e3..20dbc88ef 100644
--- a/src/wx/film_editor.cc
+++ b/src/wx/film_editor.cc
@@ -617,6 +617,7 @@ FilmEditor::film_changed (Film::Property p)
 		setup_formats ();
 		setup_subtitle_control_sensitivity ();
 		setup_streams ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::TRUST_CONTENT_HEADER:
 		checked_set (_trust_content_header, _film->trust_content_header ());
@@ -627,6 +628,7 @@ FilmEditor::film_changed (Film::Property p)
 		break;
 	case Film::CONTENT_AUDIO_STREAMS:
 		setup_streams ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::FORMAT:
 	{
@@ -696,8 +698,6 @@ FilmEditor::film_changed (Film::Property p)
 			_trim_end->SetRange (0, _film->length().get());
 		}
 		break;
-	case Film::DCP_INTRINSIC_DURATION:
-		break;
 	case Film::DCP_CONTENT_TYPE:
 		checked_set (_dcp_content_type, DCPContentType::as_index (_film->dcp_content_type ()));
 		setup_dcp_name ();
@@ -754,6 +754,7 @@ FilmEditor::film_changed (Film::Property p)
 		setup_dcp_name ();
 		setup_audio_details ();
 		setup_audio_control_sensitivity ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::USE_CONTENT_AUDIO:
 		checked_set (_use_content_audio, _film->use_content_audio());
@@ -761,6 +762,7 @@ FilmEditor::film_changed (Film::Property p)
 		setup_dcp_name ();
 		setup_audio_details ();
 		setup_audio_control_sensitivity ();
+		setup_show_audio_sensitivity ();
 		break;
 	case Film::SUBTITLE_STREAM:
 		if (_film->subtitle_stream()) {
@@ -774,6 +776,7 @@ FilmEditor::film_changed (Film::Property p)
 			checked_set (_external_audio[i], a[i]);
 		}
 		setup_audio_details ();
+		setup_show_audio_sensitivity ();
 		break;
 	}
 	case Film::DCP_FRAME_RATE:
@@ -915,6 +918,7 @@ FilmEditor::set_things_sensitive (bool s)
 
 	setup_subtitle_control_sensitivity ();
 	setup_audio_control_sensitivity ();
+	setup_show_audio_sensitivity ();
 }
 
 /** Called when the `Edit filters' button has been clicked */
@@ -1123,7 +1127,7 @@ FilmEditor::setup_subtitle_control_sensitivity ()
 void
 FilmEditor::setup_audio_control_sensitivity ()
 {
-	_use_content_audio->Enable (_generally_sensitive);
+	_use_content_audio->Enable (_generally_sensitive && _film && !_film->content_audio_streams().empty());
 	_use_external_audio->Enable (_generally_sensitive);
 	
 	bool const source = _generally_sensitive && _use_content_audio->GetValue();
@@ -1218,7 +1222,7 @@ FilmEditor::subtitle_stream_changed (wxCommandEvent &)
 void
 FilmEditor::setup_audio_details ()
 {
-	if (!_film->audio_stream()) {
+	if (!_film->content_audio_stream()) {
 		_audio->SetLabel (wxT (""));
 	} else {
 		stringstream s;
@@ -1289,3 +1293,9 @@ FilmEditor::best_dcp_frame_rate_clicked (wxCommandEvent &)
 	
 	_film->set_dcp_frame_rate (best_dcp_frame_rate (_film->source_frame_rate ()));
 }
+
+void
+FilmEditor::setup_show_audio_sensitivity ()
+{
+	_show_audio->Enable (_film && _film->has_audio ());
+}
diff --git a/src/wx/film_editor.h b/src/wx/film_editor.h
index 29b453b8b..e5b619886 100644
--- a/src/wx/film_editor.h
+++ b/src/wx/film_editor.h
@@ -98,6 +98,7 @@ private:
 	void setup_streams ();
 	void setup_audio_details ();
 	void setup_dcp_name ();
+	void setup_show_audio_sensitivity ();
 	
 	wxControl* video_control (wxControl *);
 	wxControl* still_control (wxControl *);