Merge master.
[dcpomatic.git] / src / wx / film_editor.cc
index 6f08b656768af6f3b95205158ff9f665517c97d9..ad028c930c52510b86036a2988a1a03128222c2f 100644 (file)
@@ -146,7 +146,7 @@ FilmEditor::make_film_panel ()
        }
        ++r;
 
-       _frame_rate_description = new wxStaticText (_film_panel, wxID_ANY, wxT (" \n "), wxDefaultPosition, wxDefaultSize);
+       _frame_rate_description = new wxStaticText (_film_panel, wxID_ANY, wxT ("\n \n "), wxDefaultPosition, wxDefaultSize);
        grid->Add (_frame_rate_description, wxGBPosition (r, 0), wxGBSpan (1, 2), wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 6);
        wxFont font = _frame_rate_description->GetFont();
        font.SetStyle(wxFONTSTYLE_ITALIC);
@@ -174,6 +174,11 @@ FilmEditor::make_film_panel ()
        }
        ++r;
 
+       add_label_to_grid_bag_sizer (grid, _film_panel, _("Trim method"), wxGBPosition (r, 0));
+       _trim_type = new wxChoice (_film_panel, wxID_ANY);
+       grid->Add (_trim_type, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+       ++r;
+
        _ab = new wxCheckBox (_film_panel, wxID_ANY, _("A/B"));
        grid->Add (_ab, wxGBPosition (r, 0));
        ++r;
@@ -187,49 +192,53 @@ FilmEditor::make_film_panel ()
        for (list<int>::const_iterator i = dfr.begin(); i != dfr.end(); ++i) {
                _dcp_frame_rate->Append (std_to_wx (boost::lexical_cast<string> (*i)));
        }
+
+       _trim_type->Append (_("encode all frames and play the subset"));
+       _trim_type->Append (_("encode only the subset"));
 }
 
 void
 FilmEditor::connect_to_widgets ()
 {
-       _name->Connect (wxID_ANY, wxEVT_COMMAND_TEXT_UPDATED, wxCommandEventHandler (FilmEditor::name_changed), 0, this);
-       _use_dci_name->Connect (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler (FilmEditor::use_dci_name_toggled), 0, this);
-       _edit_dci_button->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::edit_dci_button_clicked), 0, this);
-       _format->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (FilmEditor::format_changed), 0, this);
-       _trust_content_headers->Connect (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler (FilmEditor::trust_content_headers_changed), 0, this);
-       _content->Connect (wxID_ANY, wxEVT_COMMAND_LIST_ITEM_SELECTED, wxListEventHandler (FilmEditor::content_selection_changed), 0, this);
-       _content->Connect (wxID_ANY, wxEVT_COMMAND_LIST_ITEM_DESELECTED, wxListEventHandler (FilmEditor::content_selection_changed), 0, this);
-       _content->Connect (wxID_ANY, wxEVT_COMMAND_LIST_ITEM_ACTIVATED, wxListEventHandler (FilmEditor::content_activated), 0, this);
-       _content_add->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::content_add_clicked), 0, this);
-       _content_remove->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::content_remove_clicked), 0, this);
-       _content_edit->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::content_edit_clicked), 0, this);
-       _content_earlier->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::content_earlier_clicked), 0, this);
-       _content_later->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::content_later_clicked), 0, this);
-       _left_crop->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::left_crop_changed), 0, this);
-       _right_crop->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::right_crop_changed), 0, this);
-       _top_crop->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::top_crop_changed), 0, this);
-       _bottom_crop->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::bottom_crop_changed), 0, this);
-       _filters_button->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::edit_filters_clicked), 0, this);
-       _scaler->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (FilmEditor::scaler_changed), 0, this);
-       _dcp_content_type->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (FilmEditor::dcp_content_type_changed), 0, this);
-       _dcp_frame_rate->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (FilmEditor::dcp_frame_rate_changed), 0, this);
-       _best_dcp_frame_rate->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::best_dcp_frame_rate_clicked), 0, this);
-       _ab->Connect (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler (FilmEditor::ab_toggled), 0, this);
-       _trim_start->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::trim_start_changed), 0, this);
-       _trim_end->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::trim_end_changed), 0, this);
-       _with_subtitles->Connect (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEventHandler (FilmEditor::with_subtitles_toggled), 0, this);
-       _subtitle_offset->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::subtitle_offset_changed), 0, this);
-       _subtitle_scale->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::subtitle_scale_changed), 0, this);
-       _colour_lut->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (FilmEditor::colour_lut_changed), 0, this);
-       _j2k_bandwidth->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::j2k_bandwidth_changed), 0, this);
-       _ffmpeg_subtitle_stream->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (FilmEditor::ffmpeg_subtitle_stream_changed), 0, this);
-       _ffmpeg_audio_stream->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEventHandler (FilmEditor::ffmpeg_audio_stream_changed), 0, this);
-       _audio_gain->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::audio_gain_changed), 0, this);
+       _name->Connect                   (wxID_ANY, wxEVT_COMMAND_TEXT_UPDATED,         wxCommandEventHandler (FilmEditor::name_changed), 0, this);
+       _use_dci_name->Connect           (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED,     wxCommandEventHandler (FilmEditor::use_dci_name_toggled), 0, this);
+       _edit_dci_button->Connect        (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::edit_dci_button_clicked), 0, this);
+       _format->Connect                 (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::format_changed), 0, this);
+       _trust_content_headers->Connect  (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED,     wxCommandEventHandler (FilmEditor::trust_content_headers_changed), 0, this);
+       _content->Connect                (wxID_ANY, wxEVT_COMMAND_LIST_ITEM_SELECTED,   wxListEventHandler    (FilmEditor::content_selection_changed), 0, this);
+       _content->Connect                (wxID_ANY, wxEVT_COMMAND_LIST_ITEM_DESELECTED, wxListEventHandler    (FilmEditor::content_selection_changed), 0, this);
+       _content->Connect                (wxID_ANY, wxEVT_COMMAND_LIST_ITEM_ACTIVATED,  wxListEventHandler    (FilmEditor::content_activated), 0, this);
+       _content_add->Connect            (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_add_clicked), 0, this);
+       _content_remove->Connect         (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_remove_clicked), 0, this);
+       _content_edit->Connect           (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_edit_clicked), 0, this);
+       _content_earlier->Connect        (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_earlier_clicked), 0, this);
+       _content_later->Connect          (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::content_later_clicked), 0, this);
+       _left_crop->Connect              (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::left_crop_changed), 0, this);
+       _right_crop->Connect             (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::right_crop_changed), 0, this);
+       _top_crop->Connect               (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::top_crop_changed), 0, this);
+       _bottom_crop->Connect            (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::bottom_crop_changed), 0, this);
+       _filters_button->Connect         (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::edit_filters_clicked), 0, this);
+       _scaler->Connect                 (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::scaler_changed), 0, this);
+       _dcp_content_type->Connect       (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::dcp_content_type_changed), 0, this);
+       _dcp_frame_rate->Connect         (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::dcp_frame_rate_changed), 0, this);
+       _best_dcp_frame_rate->Connect    (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::best_dcp_frame_rate_clicked), 0, this);
+       _ab->Connect                     (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED,     wxCommandEventHandler (FilmEditor::ab_toggled), 0, this);
+       _trim_start->Connect             (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::trim_start_changed), 0, this);
+       _trim_end->Connect               (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::trim_end_changed), 0, this);
+       _trim_type->Connect              (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::trim_type_changed), 0, this);
+       _with_subtitles->Connect         (wxID_ANY, wxEVT_COMMAND_CHECKBOX_CLICKED,     wxCommandEventHandler (FilmEditor::with_subtitles_toggled), 0, this);
+       _subtitle_offset->Connect        (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::subtitle_offset_changed), 0, this);
+       _subtitle_scale->Connect         (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::subtitle_scale_changed), 0, this);
+       _colour_lut->Connect             (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::colour_lut_changed), 0, this);
+       _j2k_bandwidth->Connect          (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::j2k_bandwidth_changed), 0, this);
+       _ffmpeg_subtitle_stream->Connect (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::ffmpeg_subtitle_stream_changed), 0, this);
+       _ffmpeg_audio_stream->Connect    (wxID_ANY, wxEVT_COMMAND_CHOICE_SELECTED,      wxCommandEventHandler (FilmEditor::ffmpeg_audio_stream_changed), 0, this);
+       _audio_gain->Connect             (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::audio_gain_changed), 0, this);
        _audio_gain_calculate_button->Connect (
                wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::audio_gain_calculate_button_clicked), 0, this
                );
-       _show_audio->Connect (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler (FilmEditor::show_audio_clicked), 0, this);
-       _audio_delay->Connect (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEventHandler (FilmEditor::audio_delay_changed), 0, this);
+       _show_audio->Connect             (wxID_ANY, wxEVT_COMMAND_BUTTON_CLICKED,       wxCommandEventHandler (FilmEditor::show_audio_clicked), 0, this);
+       _audio_delay->Connect            (wxID_ANY, wxEVT_COMMAND_SPINCTRL_UPDATED,     wxCommandEventHandler (FilmEditor::audio_delay_changed), 0, this);
 }
 
 void
@@ -248,14 +257,6 @@ FilmEditor::make_video_panel ()
        grid->Add (_format, wxGBPosition (r, 1));
        ++r;
 
-       _format_description = new wxStaticText (_video_panel, wxID_ANY, wxT (""), wxDefaultPosition, wxDefaultSize);
-       grid->Add (_format_description, wxGBPosition (r, 0), wxGBSpan (1, 2), wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 6);
-       wxFont font = _format_description->GetFont();
-       font.SetStyle(wxFONTSTYLE_ITALIC);
-       font.SetPointSize(font.GetPointSize() - 1);
-       _format_description->SetFont(font);
-       ++r;
-
        add_label_to_grid_bag_sizer (grid, _video_panel, _("Left crop"), wxGBPosition (r, 0));
        _left_crop = new wxSpinCtrl (_video_panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (64, -1));
        grid->Add (_left_crop, wxGBPosition (r, 1));
@@ -276,6 +277,14 @@ FilmEditor::make_video_panel ()
        grid->Add (_bottom_crop, wxGBPosition (r, 1));
        ++r;
 
+       _scaling_description = new wxStaticText (_video_panel, wxID_ANY, wxT ("\n \n \n \n"), wxDefaultPosition, wxDefaultSize);
+       grid->Add (_scaling_description, wxGBPosition (r, 0), wxGBSpan (1, 2), wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 6);
+       wxFont font = _scaling_description->GetFont();
+       font.SetStyle(wxFONTSTYLE_ITALIC);
+       font.SetPointSize(font.GetPointSize() - 1);
+       _scaling_description->SetFont(font);
+       ++r;
+
        /* VIDEO-only stuff */
        {
                add_label_to_grid_bag_sizer (grid, _video_panel, _("Filters"), wxGBPosition (r, 0));
@@ -430,9 +439,14 @@ FilmEditor::make_subtitle_panel ()
        _ffmpeg_subtitle_stream = new wxChoice (_subtitle_panel, wxID_ANY);
        grid->Add (_ffmpeg_subtitle_stream);
 
-       add_label_to_sizer (grid, _subtitle_panel, _("Subtitle Offset"));
-       _subtitle_offset = new wxSpinCtrl (_subtitle_panel);
-       grid->Add (_subtitle_offset, 1);
+       {
+               add_label_to_sizer (grid, _subtitle_panel, _("Subtitle Offset"));
+               wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
+               _subtitle_offset = new wxSpinCtrl (_subtitle_panel);
+               s->Add (_subtitle_offset);
+               add_label_to_sizer (s, _subtitle_panel, _("pixels"));
+               grid->Add (s);
+       }
 
        {
                add_label_to_sizer (grid, _subtitle_panel, _("Subtitle Scale"));
@@ -603,7 +617,6 @@ FilmEditor::film_changed (Film::Property p)
                setup_subtitle_control_sensitivity ();
                setup_streams ();
                setup_show_audio_sensitivity ();
-               setup_length ();
                break;
        case Film::TRUST_CONTENT_HEADERS:
                checked_set (_trust_content_headers, _film->trust_content_headers ());
@@ -616,6 +629,7 @@ FilmEditor::film_changed (Film::Property p)
                checked_set (_right_crop, _film->crop().right);
                checked_set (_top_crop, _film->crop().top);
                checked_set (_bottom_crop, _film->crop().bottom);
+               setup_scaling_description ();
                break;
        case Film::FILTERS:
        {
@@ -649,6 +663,9 @@ FilmEditor::film_changed (Film::Property p)
        case Film::TRIM_END:
                checked_set (_trim_end, _film->trim_end());
                break;
+       case Film::TRIM_TYPE:
+               checked_set (_trim_type, _film->trim_type() == Film::CPL ? 0 : 1);
+               break;
        case Film::AUDIO_GAIN:
                checked_set (_audio_gain, _film->audio_gain ());
                break;
@@ -690,12 +707,11 @@ FilmEditor::film_changed (Film::Property p)
                }
 
                if (_film->video_frame_rate()) {
-                       _frame_rate_description->SetLabel (std_to_wx (FrameRateConversion (_film->video_frame_rate(), _film->dcp_frame_rate()).description));
                        _best_dcp_frame_rate->Enable (best_dcp_frame_rate (_film->video_frame_rate ()) != _film->dcp_frame_rate ());
                } else {
-                       _frame_rate_description->SetLabel (wxT (""));
                        _best_dcp_frame_rate->Disable ();
                }
+               setup_frame_rate_description ();
                break;
        case Film::AUDIO_MAPPING:
                _audio_mapping->set_mapping (_film->audio_mapping ());
@@ -748,18 +764,15 @@ FilmEditor::setup_format ()
                ++i;
                ++n;
        }
+       
        if (i == _formats.end()) {
                checked_set (_format, -1);
        } else {
                checked_set (_format, n);
        }
-       setup_dcp_name ();
        
-       if (_film->format ()) {
-               _format_description->SetLabel (std_to_wx (_film->format()->description ()));
-       } else {
-               _format_description->SetLabel (wxT (""));
-       }
+       setup_dcp_name ();
+       setup_scaling_description ();
 }      
 
 void
@@ -780,6 +793,33 @@ FilmEditor::setup_length ()
        }
 }      
 
+void
+FilmEditor::setup_frame_rate_description ()
+{
+       wxString d;
+       int lines = 0;
+       
+       if (_film->video_frame_rate()) {
+               d << std_to_wx (FrameRateConversion (_film->video_frame_rate(), _film->dcp_frame_rate()).description);
+               ++lines;
+#ifdef HAVE_SWRESAMPLE
+               if (_film->audio_frame_rate() && _film->audio_frame_rate() != _film->target_audio_sample_rate ()) {
+                       d << wxString::Format (
+                               _("Audio will be resampled from %dHz to %dHz\n"),
+                               _film->audio_frame_rate(),
+                               _film->target_audio_sample_rate()
+                               );
+                       ++lines;
+               }
+#endif         
+       }
+
+       for (int i = lines; i < 2; ++i) {
+               d << wxT ("\n ");
+       }
+
+       _frame_rate_description->SetLabel (d);
+}
 
 /** Called when the format widget has been changed */
 void
@@ -814,14 +854,14 @@ FilmEditor::dcp_content_type_changed (wxCommandEvent &)
 void
 FilmEditor::set_film (shared_ptr<Film> f)
 {
+       set_things_sensitive (f != 0);
+
        if (_film == f) {
                return;
        }
        
        _film = f;
 
-       set_things_sensitive (_film != 0);
-
        if (_film) {
                _film->Changed.connect (bind (&FilmEditor::film_changed, this, _1));
                _film->ContentChanged.connect (bind (&FilmEditor::film_content_changed, this, _1, _2));
@@ -849,6 +889,7 @@ FilmEditor::set_film (shared_ptr<Film> f)
        film_changed (Film::TRIM_START);
        film_changed (Film::TRIM_END);
        film_changed (Film::AB);
+       film_changed (Film::TRIM_TYPE);
        film_changed (Film::AUDIO_GAIN);
        film_changed (Film::AUDIO_DELAY);
        film_changed (Film::WITH_SUBTITLES);
@@ -893,6 +934,7 @@ FilmEditor::set_things_sensitive (bool s)
        _trim_start->Enable (s);
        _trim_end->Enable (s);
        _ab->Enable (s);
+       _trim_type->Enable (s);
        _colour_lut->Enable (s);
        _j2k_bandwidth->Enable (s);
        _audio_gain->Enable (s);
@@ -949,6 +991,24 @@ FilmEditor::audio_delay_changed (wxCommandEvent &)
        _film->set_audio_delay (_audio_delay->GetValue ());
 }
 
+void
+FilmEditor::setup_notebook_size ()
+{
+       _notebook->InvalidateBestSize ();
+       
+       _film_sizer->Layout ();
+       _film_sizer->SetSizeHints (_film_panel);
+       _video_sizer->Layout ();
+       _video_sizer->SetSizeHints (_video_panel);
+       _audio_sizer->Layout ();
+       _audio_sizer->SetSizeHints (_audio_panel);
+       _subtitle_sizer->Layout ();
+       _subtitle_sizer->SetSizeHints (_subtitle_panel);
+
+       _notebook->Fit ();
+       Fit ();
+}
+
 void
 FilmEditor::trim_start_changed (wxCommandEvent &)
 {
@@ -1136,15 +1196,17 @@ FilmEditor::setup_audio_details ()
        if (!_film->ffmpeg_audio_stream()) {
                _audio->SetLabel (wxT (""));
        } else {
-               stringstream s;
+               wxString s;
                if (_film->audio_channels() == 1) {
-                       s << wx_to_std (_("1 channel"));
+                       s << _("1 channel");
                } else {
-                       s << _film->audio_channels() << " " << wx_to_std (_("channels"));
+                       s << _film->audio_channels() << wxT (" ") << _("channels");
                }
-               s << ", " << _film->audio_frame_rate() << wx_to_std (_("Hz"));
-               _audio->SetLabel (std_to_wx (s.str ()));
+               s << wxT (", ") << _film->audio_frame_rate() << _("Hz");
+               _audio->SetLabel (s);
        }
+
+       setup_notebook_size ();
 }
 
 void
@@ -1344,6 +1406,71 @@ FilmEditor::selected_content ()
        }
 
        ContentList c = _film->content ();
-       assert (s >= 0 && size_t (s) < c.size ());
+       if (s < 0 || size_t (s) >= c.size ()) {
+               return shared_ptr<Content> ();
+       }
+       
        return c[s];
 }
+
+void
+FilmEditor::setup_scaling_description ()
+{
+       wxString d;
+
+       int lines = 0;
+
+       if (_film->video_size().width && _film->video_size().height) {
+               d << wxString::Format (
+                       _("Original video is %dx%d (%.2f:1)\n"),
+                       _film->video_size().width, _film->video_size().height,
+                       float (_film->video_size().width) / _film->video_size().height
+                       );
+               ++lines;
+       }
+
+       Crop const crop = _film->crop ();
+       if (crop.left || crop.right || crop.top || crop.bottom) {
+               libdcp::Size const cropped = _film->cropped_size (_film->video_size ());
+               d << wxString::Format (
+                       _("Cropped to %dx%d (%.2f:1)\n"),
+                       cropped.width, cropped.height,
+                       float (cropped.width) / cropped.height
+                       );
+               ++lines;
+       }
+
+       Format const * format = _film->format ();
+       if (format) {
+               int const padding = format->dcp_padding (_film);
+               libdcp::Size scaled = format->dcp_size ();
+               scaled.width -= padding * 2;
+               d << wxString::Format (
+                       _("Scaled to %dx%d (%.2f:1)\n"),
+                       scaled.width, scaled.height,
+                       float (scaled.width) / scaled.height
+                       );
+               ++lines;
+
+               if (padding) {
+                       d << wxString::Format (
+                               _("Padded with black to %dx%d (%.2f:1)\n"),
+                               format->dcp_size().width, format->dcp_size().height,
+                               float (format->dcp_size().width) / format->dcp_size().height
+                               );
+                       ++lines;
+               }
+       }
+
+       for (int i = lines; i < 4; ++i) {
+               d << wxT ("\n ");
+       }
+
+       _scaling_description->SetLabel (d);
+}
+
+void
+FilmEditor::trim_type_changed (wxCommandEvent &)
+{
+       _film->set_trim_type (_trim_type->GetSelection () == 0 ? Film::CPL : Film::ENCODE);
+}