+
+/** Write state to our `metadata' file */
+void
+Film::write_metadata () const
+{
+ boost::mutex::scoped_lock lm (_state_mutex);
+
+ boost::filesystem::create_directories (directory());
+
+ string const m = file ("metadata");
+ ofstream f (m.c_str ());
+ if (!f.good ()) {
+ throw CreateFileError (m);
+ }
+
+ f << "version " << state_version << "\n";
+
+ /* User stuff */
+ f << "name " << _name << "\n";
+ f << "use_dci_name " << _use_dci_name << "\n";
+ f << "content " << _content << "\n";
+ if (_dcp_content_type) {
+ f << "dcp_content_type " << _dcp_content_type->pretty_name () << "\n";
+ }
+ if (_format) {
+ f << "format " << _format->as_metadata () << "\n";
+ }
+ f << "left_crop " << _crop.left << "\n";
+ f << "right_crop " << _crop.right << "\n";
+ f << "top_crop " << _crop.top << "\n";
+ f << "bottom_crop " << _crop.bottom << "\n";
+ for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
+ f << "filter " << (*i)->id () << "\n";
+ }
+ f << "scaler " << _scaler->id () << "\n";
+ f << "dcp_trim_start " << _dcp_trim_start << "\n";
+ f << "dcp_trim_end " << _dcp_trim_end << "\n";
+ f << "dcp_ab " << (_dcp_ab ? "1" : "0") << "\n";
+ if (_content_audio_stream) {
+ f << "selected_content_audio_stream " << _content_audio_stream->to_string() << "\n";
+ }
+ for (vector<string>::const_iterator i = _external_audio.begin(); i != _external_audio.end(); ++i) {
+ f << "external_audio " << *i << "\n";
+ }
+ f << "use_content_audio " << (_use_content_audio ? "1" : "0") << "\n";
+ f << "audio_gain " << _audio_gain << "\n";
+ f << "audio_delay " << _audio_delay << "\n";
+ f << "still_duration " << _still_duration << "\n";
+ if (_subtitle_stream) {
+ f << "selected_subtitle_stream " << _subtitle_stream->to_string() << "\n";
+ }
+ f << "with_subtitles " << _with_subtitles << "\n";
+ f << "subtitle_offset " << _subtitle_offset << "\n";
+ f << "subtitle_scale " << _subtitle_scale << "\n";
+ f << "audio_language " << _audio_language << "\n";
+ f << "subtitle_language " << _subtitle_language << "\n";
+ f << "territory " << _territory << "\n";
+ f << "rating " << _rating << "\n";
+ f << "studio " << _studio << "\n";
+ f << "facility " << _facility << "\n";
+ f << "package_type " << _package_type << "\n";
+
+ /* Cached stuff; this is information about our content; we could
+ look it up each time, but that's slow.
+ */
+ for (vector<SourceFrame>::const_iterator i = _thumbs.begin(); i != _thumbs.end(); ++i) {
+ f << "thumb " << *i << "\n";
+ }
+ f << "width " << _size.width << "\n";
+ f << "height " << _size.height << "\n";
+ f << "length " << _length.get_value_or(0) << "\n";
+ f << "content_digest " << _content_digest << "\n";
+
+ for (vector<shared_ptr<AudioStream> >::const_iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
+ f << "content_audio_stream " << (*i)->to_string () << "\n";
+ }
+
+ f << "external_audio_stream " << _external_audio_stream->to_string() << "\n";
+
+ for (vector<shared_ptr<SubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
+ f << "subtitle_stream " << (*i)->to_string () << "\n";
+ }
+
+ f << "frames_per_second " << _frames_per_second << "\n";
+
+ _dirty = false;
+}
+
+/** Read state from our metadata file */
+void
+Film::read_metadata ()
+{
+ boost::mutex::scoped_lock lm (_state_mutex);
+
+ _external_audio.clear ();
+ _thumbs.clear ();
+ _content_audio_streams.clear ();
+ _subtitle_streams.clear ();
+
+ boost::optional<int> version;
+
+ /* Backward compatibility things */
+ boost::optional<int> audio_sample_rate;
+ boost::optional<int> audio_stream_index;
+ boost::optional<int> subtitle_stream_index;
+
+ ifstream f (file ("metadata").c_str());
+ multimap<string, string> kv = read_key_value (f);
+
+ /* We need version before anything else */
+ multimap<string, string>::iterator v = kv.find ("version");
+ if (v != kv.end ()) {
+ version = atoi (v->second.c_str());
+ }
+
+ for (multimap<string, string>::const_iterator i = kv.begin(); i != kv.end(); ++i) {
+ string const k = i->first;
+ string const v = i->second;
+
+ if (k == "audio_sample_rate") {
+ audio_sample_rate = atoi (v.c_str());
+ }
+
+ /* User-specified stuff */
+ if (k == "name") {
+ _name = v;
+ } else if (k == "use_dci_name") {
+ _use_dci_name = (v == "1");
+ } else if (k == "content") {
+ _content = v;
+ } else if (k == "dcp_content_type") {
+ _dcp_content_type = DCPContentType::from_pretty_name (v);
+ } else if (k == "format") {
+ _format = Format::from_metadata (v);
+ } else if (k == "left_crop") {
+ _crop.left = atoi (v.c_str ());
+ } else if (k == "right_crop") {
+ _crop.right = atoi (v.c_str ());
+ } else if (k == "top_crop") {
+ _crop.top = atoi (v.c_str ());
+ } else if (k == "bottom_crop") {
+ _crop.bottom = atoi (v.c_str ());
+ } else if (k == "filter") {
+ _filters.push_back (Filter::from_id (v));
+ } else if (k == "scaler") {
+ _scaler = Scaler::from_id (v);
+ } else if (k == "dcp_trim_start") {
+ _dcp_trim_start = atoi (v.c_str ());
+ } else if (k == "dcp_trim_end") {
+ _dcp_trim_end = atoi (v.c_str ());
+ } else if (k == "dcp_ab") {
+ _dcp_ab = (v == "1");
+ } else if (k == "selected_content_audio_stream" || (!version && k == "selected_audio_stream")) {
+ if (!version) {
+ audio_stream_index = atoi (v.c_str ());
+ } else {
+ _content_audio_stream = audio_stream_factory (v, version);
+ }
+ } else if (k == "external_audio") {
+ _external_audio.push_back (v);
+ } else if (k == "use_content_audio") {
+ _use_content_audio = (v == "1");
+ } else if (k == "audio_gain") {
+ _audio_gain = atof (v.c_str ());
+ } else if (k == "audio_delay") {
+ _audio_delay = atoi (v.c_str ());
+ } else if (k == "still_duration") {
+ _still_duration = atoi (v.c_str ());
+ } else if (k == "selected_subtitle_stream") {
+ if (!version) {
+ subtitle_stream_index = atoi (v.c_str ());
+ } else {
+ _subtitle_stream = subtitle_stream_factory (v, version);
+ }
+ } else if (k == "with_subtitles") {
+ _with_subtitles = (v == "1");
+ } else if (k == "subtitle_offset") {
+ _subtitle_offset = atoi (v.c_str ());
+ } else if (k == "subtitle_scale") {
+ _subtitle_scale = atof (v.c_str ());
+ } else if (k == "audio_language") {
+ _audio_language = v;
+ } else if (k == "subtitle_language") {
+ _subtitle_language = v;
+ } else if (k == "territory") {
+ _territory = v;
+ } else if (k == "rating") {
+ _rating = v;
+ } else if (k == "studio") {
+ _studio = v;
+ } else if (k == "facility") {
+ _facility = v;
+ } else if (k == "package_type") {
+ _package_type = v;
+ }
+
+ /* Cached stuff */
+ if (k == "thumb") {
+ int const n = atoi (v.c_str ());
+ /* Only add it to the list if it still exists */
+ if (boost::filesystem::exists (thumb_file_for_frame (n))) {
+ _thumbs.push_back (n);
+ }
+ } else if (k == "width") {
+ _size.width = atoi (v.c_str ());
+ } else if (k == "height") {
+ _size.height = atoi (v.c_str ());
+ } else if (k == "length") {
+ int const vv = atoi (v.c_str ());
+ if (vv) {
+ _length = vv;
+ }
+ } else if (k == "content_digest") {
+ _content_digest = v;
+ } else if (k == "content_audio_stream" || (!version && k == "audio_stream")) {
+ _content_audio_streams.push_back (audio_stream_factory (v, version));
+ } else if (k == "external_audio_stream") {
+ _external_audio_stream = audio_stream_factory (v, version);
+ } else if (k == "subtitle_stream") {
+ _subtitle_streams.push_back (subtitle_stream_factory (v, version));
+ } else if (k == "frames_per_second") {
+ _frames_per_second = atof (v.c_str ());
+ }
+ }
+
+ if (!version) {
+ if (audio_sample_rate) {
+ /* version < 1 didn't specify sample rate in the audio streams, so fill it in here */
+ for (vector<shared_ptr<AudioStream> >::iterator i = _content_audio_streams.begin(); i != _content_audio_streams.end(); ++i) {
+ (*i)->set_sample_rate (audio_sample_rate.get());
+ }
+ }
+
+ /* also the selected stream was specified as an index */
+ if (audio_stream_index && audio_stream_index.get() >= 0 && audio_stream_index.get() < (int) _content_audio_streams.size()) {
+ _content_audio_stream = _content_audio_streams[audio_stream_index.get()];
+ }
+
+ /* similarly the subtitle */
+ if (subtitle_stream_index && subtitle_stream_index.get() >= 0 && subtitle_stream_index.get() < (int) _subtitle_streams.size()) {
+ _subtitle_stream = _subtitle_streams[subtitle_stream_index.get()];
+ }
+ }
+
+ _dirty = false;
+}
+
+/** @param n A thumb index.
+ * @return The path to the thumb's image file.
+ */
+string
+Film::thumb_file (int n) const
+{
+ return thumb_file_for_frame (thumb_frame (n));
+}
+
+/** @param n A frame index within the Film's source.
+ * @return The path to the thumb's image file for this frame;
+ * we assume that it exists.
+ */
+string
+Film::thumb_file_for_frame (SourceFrame n) const
+{
+ return thumb_base_for_frame(n) + ".png";
+}
+
+/** @param n Thumb index.
+ * Must not be called with the _state_mutex locked.
+ */
+string
+Film::thumb_base (int n) const
+{
+ return thumb_base_for_frame (thumb_frame (n));
+}
+
+string
+Film::thumb_base_for_frame (SourceFrame n) const
+{
+ stringstream s;
+ s.width (8);
+ s << setfill('0') << n;
+
+ boost::filesystem::path p;
+ p /= dir ("thumbs");
+ p /= s.str ();
+
+ return p.string ();
+}
+
+/** @param n A thumb index.
+ * @return The frame within the Film's source that it is for.
+ *
+ * Must not be called with the _state_mutex locked.
+ */
+SourceFrame
+Film::thumb_frame (int n) const
+{
+ boost::mutex::scoped_lock lm (_state_mutex);
+ assert (n < int (_thumbs.size ()));
+ return _thumbs[n];
+}
+
+Size
+Film::cropped_size (Size s) const
+{
+ boost::mutex::scoped_lock lm (_state_mutex);
+ s.width -= _crop.left + _crop.right;
+ s.height -= _crop.top + _crop.bottom;
+ return s;
+}
+
+/** Given a directory name, return its full path within the Film's directory.
+ * The directory (and its parents) will be created if they do not exist.
+ */
+string
+Film::dir (string d) const
+{
+ boost::mutex::scoped_lock lm (_directory_mutex);
+ boost::filesystem::path p;
+ p /= _directory;
+ p /= d;
+ boost::filesystem::create_directories (p);
+ return p.string ();
+}
+
+/** Given a file or directory name, return its full path within the Film's directory.
+ * _directory_mutex must not be locked on entry.
+ */
+string
+Film::file (string f) const
+{
+ boost::mutex::scoped_lock lm (_directory_mutex);
+ boost::filesystem::path p;
+ p /= _directory;
+ p /= f;
+ return p.string ();
+}
+
+/** @return full path of the content (actual video) file
+ * of the Film.
+ */
+string
+Film::content_path () const
+{
+ boost::mutex::scoped_lock lm (_state_mutex);
+ if (boost::filesystem::path(_content).has_root_directory ()) {
+ return _content;
+ }
+
+ return file (_content);
+}
+
+ContentType
+Film::content_type () const
+{
+ if (boost::filesystem::is_directory (_content)) {
+ /* Directory of images, we assume */
+ return VIDEO;
+ }
+
+ if (still_image_file (_content)) {
+ return STILL;
+ }
+
+ return VIDEO;
+}
+
+/** @return The sampling rate that we will resample the audio to */
+int
+Film::target_audio_sample_rate () const
+{
+ if (!audio_stream()) {
+ return 0;
+ }
+
+ /* Resample to a DCI-approved sample rate */
+ double t = dcp_audio_sample_rate (audio_stream()->sample_rate());
+
+ DCPFrameRate dfr = dcp_frame_rate (frames_per_second ());
+
+ /* Compensate for the fact that video will be rounded to the
+ nearest integer number of frames per second.
+ */
+ if (dfr.run_fast) {
+ t *= _frames_per_second * dfr.skip / dfr.frames_per_second;
+ }
+
+ return rint (t);
+}
+
+boost::optional<SourceFrame>
+Film::dcp_length () const
+{
+ if (!length()) {
+ return boost::optional<SourceFrame> ();
+ }
+
+ return length().get() - dcp_trim_start() - dcp_trim_end();
+}
+
+/** @return a DCI-compliant name for a DCP of this film */
+string
+Film::dci_name () const
+{
+ stringstream d;
+
+ string fixed_name = to_upper_copy (name());
+ for (size_t i = 0; i < fixed_name.length(); ++i) {
+ if (fixed_name[i] == ' ') {
+ fixed_name[i] = '-';
+ }
+ }
+
+ /* Spec is that the name part should be maximum 14 characters, as I understand it */
+ if (fixed_name.length() > 14) {
+ fixed_name = fixed_name.substr (0, 14);
+ }
+
+ d << fixed_name << "_";
+
+ if (dcp_content_type()) {
+ d << dcp_content_type()->dci_name() << "_";
+ }
+
+ if (format()) {
+ d << format()->dci_name() << "_";
+ }
+
+ if (!audio_language().empty ()) {
+ d << audio_language();
+ if (!subtitle_language().empty() && with_subtitles()) {
+ d << "-" << subtitle_language();
+ } else {
+ d << "-XX";
+ }
+
+ d << "_";
+ }
+
+ if (!territory().empty ()) {
+ d << territory();
+ if (!rating().empty ()) {
+ d << "-" << rating();
+ }
+ d << "_";
+ }
+
+ switch (audio_channels()) {
+ case 1:
+ d << "10_";
+ break;
+ case 2:
+ d << "20_";
+ break;
+ case 6:
+ d << "51_";
+ break;
+ case 8:
+ d << "71_";
+ break;
+ }
+
+ d << "2K_";
+
+ if (!studio().empty ()) {
+ d << studio() << "_";
+ }
+
+ d << boost::gregorian::to_iso_string (_dci_date) << "_";
+
+ if (!facility().empty ()) {
+ d << facility() << "_";
+ }
+
+ if (!package_type().empty ()) {
+ d << package_type();
+ }
+
+ return d.str ();
+}
+
+/** @return name to give the DCP */
+string
+Film::dcp_name () const
+{
+ if (use_dci_name()) {
+ return dci_name ();
+ }
+
+ return name();
+}
+
+
+void
+Film::set_directory (string d)
+{
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _directory = d;
+ _dirty = true;
+}
+
+void
+Film::set_name (string n)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _name = n;
+ }
+ signal_changed (NAME);
+}
+
+void
+Film::set_use_dci_name (bool u)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _use_dci_name = u;
+ }
+ signal_changed (USE_DCI_NAME);
+}
+
+void
+Film::set_content (string c)
+{
+ string check = directory ();
+
+#if BOOST_FILESYSTEM_VERSION == 3
+ boost::filesystem::path slash ("/");
+ string platform_slash = slash.make_preferred().string ();
+#else
+#ifdef DVDOMATIC_WINDOWS
+ string platform_slash = "\\";
+#else
+ string platform_slash = "/";
+#endif
+#endif
+
+ if (!ends_with (check, platform_slash)) {
+ check += platform_slash;
+ }
+
+ if (boost::filesystem::path(c).has_root_directory () && starts_with (c, check)) {
+ c = c.substr (_directory.length() + 1);
+ }
+
+ string old_content;
+
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ if (c == _content) {
+ return;
+ }
+
+ old_content = _content;
+ _content = c;
+ }
+
+ /* Reset streams here in case the new content doesn't have one or the other */
+ _content_audio_stream = shared_ptr<AudioStream> ();
+ _subtitle_stream = shared_ptr<SubtitleStream> ();
+
+ /* Create a temporary decoder so that we can get information
+ about the content.
+ */
+
+ try {
+ shared_ptr<Options> o (new Options ("", "", ""));
+ o->out_size = Size (1024, 1024);
+
+ pair<shared_ptr<VideoDecoder>, shared_ptr<AudioDecoder> > d = decoder_factory (shared_from_this(), o, 0);
+
+ set_size (d.first->native_size ());
+ set_frames_per_second (d.first->frames_per_second ());
+ set_subtitle_streams (d.first->subtitle_streams ());
+ set_content_audio_streams (d.second->audio_streams ());
+
+ /* Start off with the first audio and subtitle streams */
+ if (!d.second->audio_streams().empty()) {
+ set_content_audio_stream (d.second->audio_streams().front());
+ }
+
+ if (!d.first->subtitle_streams().empty()) {
+ set_subtitle_stream (d.first->subtitle_streams().front());
+ }
+
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _content = c;
+ }
+
+ signal_changed (CONTENT);
+
+ set_content_digest (md5_digest (content_path ()));
+
+ examine_content ();
+
+ } catch (...) {
+
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _content = old_content;
+ throw;
+
+ }
+}
+
+void
+Film::set_dcp_content_type (DCPContentType const * t)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _dcp_content_type = t;
+ }
+ signal_changed (DCP_CONTENT_TYPE);
+}
+
+void
+Film::set_format (Format const * f)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _format = f;
+ }
+ signal_changed (FORMAT);
+}
+
+void
+Film::set_crop (Crop c)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _crop = c;
+ }
+ signal_changed (CROP);
+}
+
+void
+Film::set_left_crop (int c)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+
+ if (_crop.left == c) {
+ return;
+ }
+
+ _crop.left = c;
+ }
+ signal_changed (CROP);
+}
+
+void
+Film::set_right_crop (int c)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ if (_crop.right == c) {
+ return;
+ }
+
+ _crop.right = c;
+ }
+ signal_changed (CROP);
+}
+
+void
+Film::set_top_crop (int c)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ if (_crop.top == c) {
+ return;
+ }
+
+ _crop.top = c;
+ }
+ signal_changed (CROP);
+}
+
+void
+Film::set_bottom_crop (int c)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ if (_crop.bottom == c) {
+ return;
+ }
+
+ _crop.bottom = c;
+ }
+ signal_changed (CROP);
+}
+
+void
+Film::set_filters (vector<Filter const *> f)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _filters = f;
+ }
+ signal_changed (FILTERS);
+}
+
+void
+Film::set_scaler (Scaler const * s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _scaler = s;
+ }
+ signal_changed (SCALER);
+}
+
+void
+Film::set_dcp_trim_start (int t)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _dcp_trim_start = t;
+ }
+ signal_changed (DCP_TRIM_START);
+}
+
+void
+Film::set_dcp_trim_end (int t)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _dcp_trim_end = t;
+ }
+ signal_changed (DCP_TRIM_END);
+}
+
+void
+Film::set_dcp_ab (bool a)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _dcp_ab = a;
+ }
+ signal_changed (DCP_AB);
+}
+
+void
+Film::set_content_audio_stream (shared_ptr<AudioStream> s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _content_audio_stream = s;
+ }
+ signal_changed (CONTENT_AUDIO_STREAM);
+}
+
+void
+Film::set_external_audio (vector<string> a)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _external_audio = a;
+ }
+
+ shared_ptr<Options> o (new Options ("", "", ""));
+ o->decode_audio = true;
+ shared_ptr<ExternalAudioDecoder> decoder (new ExternalAudioDecoder (shared_from_this(), o, 0));
+ if (decoder->audio_stream()) {
+ _external_audio_stream = decoder->audio_stream ();
+ }
+
+ signal_changed (EXTERNAL_AUDIO);
+}
+
+void
+Film::set_use_content_audio (bool e)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _use_content_audio = e;
+ }
+
+ signal_changed (USE_CONTENT_AUDIO);
+}
+
+void
+Film::set_audio_gain (float g)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _audio_gain = g;
+ }
+ signal_changed (AUDIO_GAIN);
+}
+
+void
+Film::set_audio_delay (int d)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _audio_delay = d;
+ }
+ signal_changed (AUDIO_DELAY);
+}
+
+void
+Film::set_still_duration (int d)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _still_duration = d;
+ }
+ signal_changed (STILL_DURATION);
+}
+
+void
+Film::set_subtitle_stream (shared_ptr<SubtitleStream> s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _subtitle_stream = s;
+ }
+ signal_changed (SUBTITLE_STREAM);
+}
+
+void
+Film::set_with_subtitles (bool w)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _with_subtitles = w;
+ }
+ signal_changed (WITH_SUBTITLES);
+}
+
+void
+Film::set_subtitle_offset (int o)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _subtitle_offset = o;
+ }
+ signal_changed (SUBTITLE_OFFSET);
+}
+
+void
+Film::set_subtitle_scale (float s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _subtitle_scale = s;
+ }
+ signal_changed (SUBTITLE_SCALE);
+}
+
+void
+Film::set_audio_language (string l)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _audio_language = l;
+ }
+ signal_changed (DCI_METADATA);
+}
+
+void
+Film::set_subtitle_language (string l)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _subtitle_language = l;
+ }
+ signal_changed (DCI_METADATA);
+}
+
+void
+Film::set_territory (string t)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _territory = t;
+ }
+ signal_changed (DCI_METADATA);
+}
+
+void
+Film::set_rating (string r)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _rating = r;
+ }
+ signal_changed (DCI_METADATA);
+}
+
+void
+Film::set_studio (string s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _studio = s;
+ }
+ signal_changed (DCI_METADATA);
+}
+
+void
+Film::set_facility (string f)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _facility = f;
+ }
+ signal_changed (DCI_METADATA);
+}
+
+void
+Film::set_package_type (string p)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _package_type = p;
+ }
+ signal_changed (DCI_METADATA);
+}
+
+void
+Film::set_thumbs (vector<SourceFrame> t)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _thumbs = t;
+ }
+ signal_changed (THUMBS);
+}
+
+void
+Film::set_size (Size s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _size = s;
+ }
+ signal_changed (SIZE);
+}
+
+void
+Film::set_length (SourceFrame l)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _length = l;
+ }
+ signal_changed (LENGTH);
+}
+
+void
+Film::unset_length ()
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _length = boost::none;
+ }
+ signal_changed (LENGTH);
+}
+
+void
+Film::set_content_digest (string d)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _content_digest = d;
+ }
+ _dirty = true;
+}
+
+void
+Film::set_content_audio_streams (vector<shared_ptr<AudioStream> > s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _content_audio_streams = s;
+ }
+ signal_changed (CONTENT_AUDIO_STREAMS);
+}
+
+void
+Film::set_subtitle_streams (vector<shared_ptr<SubtitleStream> > s)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _subtitle_streams = s;
+ }
+ signal_changed (SUBTITLE_STREAMS);
+}
+
+void
+Film::set_frames_per_second (float f)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _frames_per_second = f;
+ }
+ signal_changed (FRAMES_PER_SECOND);
+}
+
+void
+Film::signal_changed (Property p)
+{
+ {
+ boost::mutex::scoped_lock lm (_state_mutex);
+ _dirty = true;
+ }
+
+ if (ui_signaller) {
+ ui_signaller->emit (boost::bind (boost::ref (Changed), p));
+ }
+}
+
+int
+Film::audio_channels () const
+{
+ shared_ptr<AudioStream> s = audio_stream ();
+ if (!s) {
+ return 0;
+ }
+
+ return s->channels ();
+}
+
+void
+Film::set_dci_date_today ()
+{
+ _dci_date = boost::gregorian::day_clock::local_day ();
+}
+
+boost::shared_ptr<AudioStream>
+Film::audio_stream () const
+{
+ if (use_content_audio()) {
+ return _content_audio_stream;
+ }
+
+ return _external_audio_stream;
+}