Improve audio mapping handling a bit.

8 files changed, 31 insertions, 8 deletions

diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc
index 607e71c50..fb196c776 100644
--- a/src/lib/audio_content.cc
+++ b/src/lib/audio_content.cc
@@ -1,5 +1,3 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
@@ -31,6 +29,7 @@ int const AudioContentProperty::AUDIO_LENGTH = 201;
 int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
 int const AudioContentProperty::AUDIO_GAIN = 203;
 int const AudioContentProperty::AUDIO_DELAY = 204;
+int const AudioContentProperty::AUDIO_MAPPING = 205;
 
 AudioContent::AudioContent (shared_ptr<const Film> f, Time s)
 	: Content (f, s)
diff --git a/src/lib/audio_content.h b/src/lib/audio_content.h
index 0c5287eaf..8fc658a76 100644
--- a/src/lib/audio_content.h
+++ b/src/lib/audio_content.h
@@ -37,6 +37,7 @@ public:
 	static int const AUDIO_FRAME_RATE;
 	static int const AUDIO_GAIN;
 	static int const AUDIO_DELAY;
+	static int const AUDIO_MAPPING;
 };
 
 class AudioContent : public virtual Content
@@ -54,6 +55,7 @@ public:
         virtual int content_audio_frame_rate () const = 0;
 	virtual int output_audio_frame_rate () const = 0;
 	virtual AudioMapping audio_mapping () const = 0;
+	virtual void set_audio_mapping (AudioMapping) = 0;
 
 	void set_audio_gain (float);
 	void set_audio_delay (int);
diff --git a/src/lib/audio_mapping.h b/src/lib/audio_mapping.h
index 7d76e4f5a..a2de8306b 100644
--- a/src/lib/audio_mapping.h
+++ b/src/lib/audio_mapping.h
@@ -1,5 +1,3 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc
index 55139ca56..d912ee418 100644
--- a/src/lib/ffmpeg_content.cc
+++ b/src/lib/ffmpeg_content.cc
@@ -357,3 +357,9 @@ FFmpegContent::set_filters (vector<Filter const *> const & filters)
 	signal_changed (FFmpegContentProperty::FILTERS);
 }
 
+void
+FFmpegContent::set_audio_mapping (AudioMapping m)
+{
+	audio_stream()->mapping = m;
+	signal_changed (AudioContentProperty::AUDIO_MAPPING);
+}
diff --git a/src/lib/ffmpeg_content.h b/src/lib/ffmpeg_content.h
index 8f5c773ee..c94b1937c 100644
--- a/src/lib/ffmpeg_content.h
+++ b/src/lib/ffmpeg_content.h
@@ -104,6 +104,7 @@ public:
         int content_audio_frame_rate () const;
         int output_audio_frame_rate () const;
 	AudioMapping audio_mapping () const;
+	void set_audio_mapping (AudioMapping);
 
 	void set_filters (std::vector<Filter const *> const &);
 	
diff --git a/src/lib/null_content.h b/src/lib/null_content.h
index f8829658c..889ff7a0d 100644
--- a/src/lib/null_content.h
+++ b/src/lib/null_content.h
@@ -54,6 +54,8 @@ public:
 	AudioMapping audio_mapping () const {
 		return AudioMapping ();
 	}
+
+	void set_audio_mapping (AudioMapping) {}
 	
 	Time length () const {
 		return _length;
diff --git a/src/lib/sndfile_content.cc b/src/lib/sndfile_content.cc
index a80c7dbe5..8eede89f4 100644
--- a/src/lib/sndfile_content.cc
+++ b/src/lib/sndfile_content.cc
@@ -1,5 +1,3 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
@@ -50,6 +48,7 @@ SndfileContent::SndfileContent (shared_ptr<const Film> f, shared_ptr<const cxml:
 	_audio_channels = node->number_child<int> ("AudioChannels");
 	_audio_length = node->number_child<ContentAudioFrame> ("AudioLength");
 	_audio_frame_rate = node->number_child<int> ("AudioFrameRate");
+	_audio_mapping = AudioMapping (node->node_child ("AudioMapping"));
 }
 
 string
@@ -113,6 +112,10 @@ SndfileContent::examine (shared_ptr<Job> job)
 	signal_changed (AudioContentProperty::AUDIO_CHANNELS);
 	signal_changed (AudioContentProperty::AUDIO_LENGTH);
 	signal_changed (AudioContentProperty::AUDIO_FRAME_RATE);
+
+	/* XXX: do this in signal_changed...? */
+	_audio_mapping = AudioMapping (_audio_channels);
+	signal_changed (AudioContentProperty::AUDIO_MAPPING);
 }
 
 void
@@ -124,6 +127,7 @@ SndfileContent::as_xml (xmlpp::Node* node) const
 	node->add_child("AudioChannels")->add_child_text (lexical_cast<string> (_audio_channels));
 	node->add_child("AudioLength")->add_child_text (lexical_cast<string> (_audio_length));
 	node->add_child("AudioFrameRate")->add_child_text (lexical_cast<string> (_audio_frame_rate));
+	_audio_mapping.as_xml (node->add_child("AudioMapping"));
 }
 
 Time
@@ -143,3 +147,14 @@ SndfileContent::output_audio_frame_rate () const
 	
 	return film->dcp_audio_frame_rate ();
 }
+
+void
+SndfileContent::set_audio_mapping (AudioMapping m)
+{
+	{
+		boost::mutex::scoped_lock lm (_mutex);
+		_audio_mapping = m;
+	}
+
+	signal_changed (AudioContentProperty::AUDIO_MAPPING);
+}
diff --git a/src/lib/sndfile_content.h b/src/lib/sndfile_content.h
index 17423b8ed..30eb23a4e 100644
--- a/src/lib/sndfile_content.h
+++ b/src/lib/sndfile_content.h
@@ -1,5 +1,3 @@
-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
 /*
     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
 
@@ -67,6 +65,8 @@ public:
 		boost::mutex::scoped_lock lm (_mutex);
 		return _audio_mapping;
 	}
+
+	void set_audio_mapping (AudioMapping);
 	
 	static bool valid_file (boost::filesystem::path);