merge hv v6, rework trace methods
[goodguy/history.git] / cinelerra-5.1 / cinelerra / dvdcreate.C
index ed43a03b7f10ca2fc8429fd87bd8da8afcf5a1d6..f6a6bc699868017a6af2632e06934be592e8806b 100644 (file)
@@ -15,6 +15,7 @@
 #include "mwindowgui.h"
 #include "plugin.h"
 #include "pluginset.h"
+#include "rescale.h"
 #include "track.h"
 #include "tracks.h"
 
 #include <sys/stat.h>
 #include <sys/statfs.h>
 
-// DVD Creation
 
-#define HD_1920x1080_2997      0
-#define HD_1920x1080_2500      1
-#define HD_1280x720_5994p      2
-#define HD_1280x720_5000p      3
-#define HD_720x576_5000p       4
-#define HD_720x576_2500                5
-#define HD_720x480_5994p       6
-#define HD_720x480_2997                7
+#define DVD_PAL_4x3    0
+#define DVD_PAL_16x9   1
+#define DVD_NTSC_4x3   2
+#define DVD_NTSC_16x9  3
+
+#define DVD_NORM_PAL   0
+#define DVD_NORM_NTSC  1
+
+#define DVD_ASPECT_4x3 0
+#define DVD_ASPECT_16x9 1
 
-static struct hd_format {
+static struct dvd_norm {
        const char *name;
        int w, h;
        double framerate;
-} hd_formats[] = {
-       { "1920x1080 29.97",      1920,1080, 29.97  },
-       { "1920x1080 25",         1920,1080, 25     },
-       { "1280x720 59.94p",      1280,720,  59.94  },
-       { "1280x720 50p",         1280,720,  50     },
-       { "720x576 50p(PAL)",      720,576,  50     },
-       { "720x576 25 (PAL)",      720,576,  25     },
-       { "720x480 59.94p(NTSC)",  720,480,  59.94  },
-       { "720x480 29.97 (NTSC)",  720,480,  29.97  },
+} dvd_norms[] = {
+       { "PAL",  720,576, 25 },
+       { "NTSC", 720,480, 29.97 },
+};
+
+static struct dvd_aspect {
+       int w, h;
+} dvd_aspects[] = {
+       { 4, 3, },
+       { 16, 9, },
+};
+
+// DVD Creation
+
+static struct dvd_format {
+       int norm, aspect;
+} dvd_formats[] = {
+       { DVD_NORM_PAL,  DVD_ASPECT_4x3, },
+       { DVD_NORM_PAL,  DVD_ASPECT_16x9, },
+       { DVD_NORM_NTSC, DVD_ASPECT_4x3, },
+       { DVD_NORM_NTSC, DVD_ASPECT_16x9, },
 };
 
 const int64_t CreateDVD_Thread::DVD_SIZE = 4700000000;
@@ -90,7 +104,6 @@ CreateDVD_Thread::CreateDVD_Thread(MWindow *mwindow)
        this->use_histogram = 0;
        this->use_inverse_telecine = 0;
        this->use_wide_audio = 0;
-       this->use_wide_aspect = 0;
        this->use_ffmpeg = 0;
        this->use_resize_tracks = 0;
        this->use_label_chapters = 0;
@@ -181,8 +194,9 @@ int CreateDVD_Thread::create_dvd_jobs(ArrayList<BatchRenderJob*> *jobs,
        fprintf(fp,"mkdir -p $1/iso\n");
        fprintf(fp,"\n");
 // dvdauthor ver 0.7.0 requires this to work
-       fprintf(fp,"export VIDEO_FORMAT=%s\n",
-               use_standard == HD_720x576_2500 ? "PAL" : "NTSC");
+       int norm = dvd_formats[use_standard].norm;
+       const char *name = dvd_norms[norm].name;
+       fprintf(fp,"export VIDEO_FORMAT=%s\n", name);
        fprintf(fp,"dvdauthor -x - <<eof\n");
        fprintf(fp,"<dvdauthor dest=\"$1/iso\">\n");
        fprintf(fp,"  <vmgm>\n");
@@ -190,9 +204,11 @@ int CreateDVD_Thread::create_dvd_jobs(ArrayList<BatchRenderJob*> *jobs,
        fprintf(fp,"  </vmgm>\n");
        fprintf(fp,"  <titleset>\n");
        fprintf(fp,"    <titles>\n");
+       char std[BCSTRLEN], *cp = std;
+       for( const char *np=name; *np!=0; ++cp,++np) *cp = *np + 'a'-'A';
+       *cp = 0;
        fprintf(fp,"    <video format=\"%s\" aspect=\"%d:%d\" resolution=\"%dx%d\"/>\n",
-               use_standard == HD_720x576_2500 ? "pal" : "ntsc",
-               (int)session->aspect_w, (int)session->aspect_h,
+               std, (int)session->aspect_w, (int)session->aspect_h,
                session->output_w, session->output_h);
        fprintf(fp,"    <audio format=\"ac3\" lang=\"en\"/>\n");
        fprintf(fp,"    <pgc>\n");
@@ -363,16 +379,39 @@ void CreateDVD_Thread::handle_close_event(int result)
                keyframe.set_data(data);
                insert_video_plugin("Inverse Telecine", &keyframe);
        }
-       if( use_scale ) {
-               sprintf(data,"<SCALE TYPE=%d X_FACTOR=%f Y_FACTOR=%f "
-                       "WIDTH=%d HEIGHT=%d CONSTRAIN=0>",
-                       max_w >= dvd_width || max_h >= dvd_height ? 1 : 0,
-                       max_w > 0 ? (double)dvd_width/max_w : 1,
-                       max_h > 0 ? (double)dvd_height/max_h : 1,
-                       dvd_width, dvd_height);
-               keyframe.set_data(data);
-               insert_video_plugin("Scale", &keyframe);
+       if( use_scale != Rescale::none ) {
+               double dvd_aspect = dvd_aspect_height > 0 ? dvd_aspect_width/dvd_aspect_height : 1;
+
+               Tracks *tracks = mwindow->edl->tracks;
+               for( Track *vtrk=tracks->first; vtrk; vtrk=vtrk->next ) {
+                       if( vtrk->data_type != TRACK_VIDEO ) continue;
+                       if( !vtrk->record ) continue;
+                       vtrk->expand_view = 1;
+                       PluginSet *plugin_set = new PluginSet(mwindow->edl, vtrk);
+                       vtrk->plugin_set.append(plugin_set);
+                       Edits *edits = vtrk->edits;
+                       for( Edit *edit=edits->first; edit; edit=edit->next ) {
+                               Indexable *indexable = edit->get_source();
+                               if( !indexable ) continue;
+                               Rescale in(indexable);
+                               Rescale out(dvd_width, dvd_height, dvd_aspect);
+                               float src_w, src_h, dst_w, dst_h;
+                               in.rescale(out,use_scale, src_w,src_h, dst_w,dst_h);
+                               sprintf(data,"<SCALERATIO TYPE=%d"
+                                       " IN_W=%d IN_H=%d IN_ASPECT_RATIO=%f"
+                                       " OUT_W=%d OUT_H=%d OUT_ASPECT_RATIO=%f"
+                                       " SRC_X=%f SRC_Y=%f SRC_W=%f SRC_H=%f"
+                                       " DST_X=%f DST_Y=%f DST_W=%f DST_H=%f>", use_scale,
+                                       in.w, in.h, in.aspect, out.w, out.h, out.aspect,
+                                       0., 0., src_w, src_h, 0., 0., dst_w, dst_h);
+                               keyframe.set_data(data);
+                               plugin_set->insert_plugin(_("Scale Ratio"),
+                                       edit->startproject, edit->length,
+                                       PLUGIN_STANDALONE, 0, &keyframe, 0);
+                       }
+               }
        }
+
        if( use_resize_tracks )
                resize_tracks();
        if( use_histogram ) {
@@ -397,7 +436,7 @@ void CreateDVD_Thread::handle_close_event(int result)
                keyframe.set_data(data);
                insert_video_plugin("Histogram", &keyframe);
        }
-       mwindow->batch_render->reset();
+       mwindow->batch_render->reset(1);
        create_dvd_jobs(&mwindow->batch_render->jobs, tmp_path, asset_title);
        mwindow->save_backup();
        mwindow->undo->update_undo_after(_("create dvd"), LOAD_ALL);
@@ -417,15 +456,14 @@ BC_Window* CreateDVD_Thread::new_gui()
                dtm.tm_year+1900, dtm.tm_mon+1, dtm.tm_mday,
                dtm.tm_hour, dtm.tm_min, dtm.tm_sec);
        use_deinterlace = 0;
-       use_scale = 0;
+       use_scale = Rescale::none;
        use_histogram = 0;
        use_inverse_telecine = 0;
        use_wide_audio = 0;
-       use_wide_aspect = 0;
        use_ffmpeg = 0;
        use_resize_tracks = 0;
        use_label_chapters = 0;
-       use_standard = HD_720x480_2997;
+       use_standard = DVD_NTSC_4x3;
 
        dvd_size = DVD_SIZE;
        dvd_width = DVD_WIDTH;
@@ -441,26 +479,36 @@ BC_Window* CreateDVD_Thread::new_gui()
        int has_standard = -1;
        if( mwindow->edl ) {
                EDLSession *session = mwindow->edl->session;
+               double framerate = session->frame_rate;
+               double aspect_ratio = session->aspect_h > 0 ?
+                       session->aspect_w / session->aspect_h > 0 : 1;
+               int output_w = session->output_w, output_h = session->output_h;
 // match the session to any known standard
-               for( int i=0; i<(int)(sizeof(hd_formats)/sizeof(hd_formats[0])); ++i ) {
-                       if( !EQUIV(session->frame_rate, hd_formats[i].framerate) ) continue;
-                       if( session->output_w != hd_formats[i].w ) continue;
-                       if( session->output_h != hd_formats[i].h ) continue;
+               for( int i=0; i<(int)(sizeof(dvd_formats)/sizeof(dvd_formats[0])); ++i ) {
+                       int norm = dvd_formats[i].norm;
+                       if( !EQUIV(framerate, dvd_norms[norm].framerate) ) continue;
+                       if( output_w != dvd_norms[norm].w ) continue;
+                       if( output_h != dvd_norms[norm].h ) continue;
+                       int aspect = dvd_formats[i].aspect;
+                       double dvd_aspect_ratio =
+                               (double)dvd_aspects[aspect].w / dvd_aspects[aspect].h; 
+                       if( !EQUIV(aspect_ratio, dvd_aspect_ratio) ) continue;
                        has_standard = i;  break;
                }
                if( has_standard < 0 ) {
 // or use the default standard
-                       if( !strcmp(mwindow->default_standard, "NTSC") ) has_standard = HD_720x480_2997;
-                       else if( !strcmp(mwindow->default_standard, "PAL") ) has_standard = HD_720x576_2500;
+                       if( !strcmp(mwindow->default_standard, "NTSC") ) has_standard = DVD_NTSC_4x3;
+                       else if( !strcmp(mwindow->default_standard, "PAL") ) has_standard = DVD_PAL_4x3;
                }
        }
-       use_standard = has_standard >= 0 ? has_standard : HD_720x480_2997;
+       if( has_standard >= 0 )
+               use_standard = has_standard;
 
        option_presets();
        int scr_x = mwindow->gui->get_screen_x(0, -1);
        int scr_w = mwindow->gui->get_screen_w(0, -1);
        int scr_h = mwindow->gui->get_screen_h(0, -1);
-       int w = 500, h = 280;
+       int w = 520, h = 280;
        int x = scr_x + scr_w/2 - w/2, y = scr_h/2 - h/2;
 
        gui = new CreateDVD_GUI(this, x, y, w, h);
@@ -625,17 +673,6 @@ int CreateDVD_InverseTelecine::handle_event()
 }
 
 
-CreateDVD_Scale::CreateDVD_Scale(CreateDVD_GUI *gui, int x, int y)
- : BC_CheckBox(x, y, &gui->thread->use_scale, _("Scale"))
-{
-       this->gui = gui;
-}
-
-CreateDVD_Scale::~CreateDVD_Scale()
-{
-}
-
-
 CreateDVD_ResizeTracks::CreateDVD_ResizeTracks(CreateDVD_GUI *gui, int x, int y)
  : BC_CheckBox(x, y, &gui->thread->use_resize_tracks, _("Resize Tracks"))
 {
@@ -677,16 +714,6 @@ CreateDVD_WideAudio::~CreateDVD_WideAudio()
 {
 }
 
-CreateDVD_WideAspect::CreateDVD_WideAspect(CreateDVD_GUI *gui, int x, int y)
- : BC_CheckBox(x, y, &gui->thread->use_wide_aspect, _("Aspect 16x9"))
-{
-       this->gui = gui;
-}
-
-CreateDVD_WideAspect::~CreateDVD_WideAspect()
-{
-}
-
 CreateDVD_UseFFMpeg::CreateDVD_UseFFMpeg(CreateDVD_GUI *gui, int x, int y)
  : BC_CheckBox(x, y, &gui->thread->use_ffmpeg, _("Use FFMPEG"))
 {
@@ -711,13 +738,13 @@ CreateDVD_GUI::CreateDVD_GUI(CreateDVD_Thread *thread, int x, int y, int w, int
        tmp_path = 0;
        btmp_path = 0;
        disk_space = 0;
+       standard = 0;
+       scale = 0;
        need_deinterlace = 0;
        need_inverse_telecine = 0;
-       need_scale = 0;
        need_resize_tracks = 0;
        need_histogram = 0;
        need_wide_audio = 0;
-       need_wide_aspect = 0;
        need_label_chapters = 0;
        ok = 0;
        cancel = 0;
@@ -744,7 +771,7 @@ void CreateDVD_GUI::create_objects()
        tmp_x = x + title->get_w();  tmp_y = y;
        tmp_path = new CreateDVD_TmpPath(this, tmp_x, tmp_y,  get_w()-tmp_x-35);
        add_subwindow(tmp_path);
-       btmp_path = new BrowseButton(thread->mwindow, this, tmp_path,
+       btmp_path = new BrowseButton(thread->mwindow->theme, this, tmp_path,
                tmp_x+tmp_path->get_w(), tmp_y, "/tmp",
                _("Work path"), _("Select a Work directory:"), 1);
        add_subwindow(btmp_path);
@@ -754,43 +781,45 @@ void CreateDVD_GUI::create_objects()
        int x0 = get_w() - 170;
        title = new BC_Title(x0, y, _("Media:"), MEDIUMFONT, YELLOW);
        add_subwindow(title);
-       x0 +=  title->get_w() + padx;
-       media_size = new CreateDVD_MediaSize(this, x0, y);
+       int x1 = x0+title->get_w()+padx;
+       media_size = new CreateDVD_MediaSize(this, x1, y);
        media_size->create_objects();
        media_sizes.append(new BC_ListBoxItem("4.7GB"));
        media_sizes.append(new BC_ListBoxItem("8.3GB"));
        media_size->update_list(&media_sizes);
        media_size->update(media_sizes[0]->get_text());
        disk_space->update();
-       x0 = x;
        y += disk_space->get_h() + pady/2;
-       title = new BC_Title(x0, y, _("Format:"), MEDIUMFONT, YELLOW);
+       title = new BC_Title(x, y, _("Format:"), MEDIUMFONT, YELLOW);
        add_subwindow(title);
-       x0 +=  title->get_w() + padx;
-       standard = new CreateDVD_Format(this, x0, y);
+       standard = new CreateDVD_Format(this, title->get_w() + padx, y);
        add_subwindow(standard);
        standard->create_objects();
+       x0 -= 30;
+       title = new BC_Title(x0, y, _("Scale:"), MEDIUMFONT, YELLOW);
+       add_subwindow(title);
+       x1 = x0+title->get_w()+padx;
+       scale = new CreateDVD_Scale(this, x1, y);
+       add_subwindow(scale);
+       scale->create_objects();
        y += standard->get_h() + pady/2;
        need_deinterlace = new CreateDVD_Deinterlace(this, x, y);
        add_subwindow(need_deinterlace);
-       int x1 = x + 150, x2 = x1 + 150;
+       x1 = x + 170;
+       int x2 = x1 + 170;
        need_inverse_telecine = new CreateDVD_InverseTelecine(this, x1, y);
        add_subwindow(need_inverse_telecine);
        need_use_ffmpeg = new CreateDVD_UseFFMpeg(this, x2, y);
        add_subwindow(need_use_ffmpeg);
        y += need_deinterlace->get_h() + pady/2;
-       need_scale = new CreateDVD_Scale(this, x, y);
-       add_subwindow(need_scale);
+       need_histogram = new CreateDVD_Histogram(this, x, y);
+       add_subwindow(need_histogram);
        need_wide_audio = new CreateDVD_WideAudio(this, x1, y);
        add_subwindow(need_wide_audio);
        need_resize_tracks = new CreateDVD_ResizeTracks(this, x2, y);
        add_subwindow(need_resize_tracks);
-       y += need_scale->get_h() + pady/2;
-       need_histogram = new CreateDVD_Histogram(this, x, y);
-       add_subwindow(need_histogram);
-       need_wide_aspect = new CreateDVD_WideAspect(this, x1, y);
-       add_subwindow(need_wide_aspect);
-       need_label_chapters = new CreateDVD_LabelChapters(this, x2, y);
+       y += need_histogram->get_h() + pady/2;
+       need_label_chapters = new CreateDVD_LabelChapters(this, x1, y);
        add_subwindow(need_label_chapters);
        ok_w = BC_OKButton::calculate_w();
        ok_h = BC_OKButton::calculate_h();
@@ -834,14 +863,13 @@ int CreateDVD_GUI::close_event()
 
 void CreateDVD_GUI::update()
 {
+       scale->set_value(thread->use_scale);
        need_deinterlace->set_value(thread->use_deinterlace);
        need_inverse_telecine->set_value(thread->use_inverse_telecine);
-       need_scale->set_value(thread->use_scale);
        need_use_ffmpeg->set_value(thread->use_ffmpeg);
        need_resize_tracks->set_value(thread->use_resize_tracks);
        need_histogram->set_value(thread->use_histogram);
        need_wide_audio->set_value(thread->use_wide_audio);
-       need_wide_aspect->set_value(thread->use_wide_aspect);
        need_label_chapters->set_value(thread->use_label_chapters);
 }
 
@@ -861,7 +889,6 @@ insert_video_plugin(const char *title, KeyFrame *default_keyframe)
                                edit->startproject, edit->length,
                                PLUGIN_STANDALONE, 0, default_keyframe, 0);
                }
-               vtrk->optimize();
        }
        return 0;
 }
@@ -887,17 +914,21 @@ option_presets()
 {
 // reset only probed options
        use_deinterlace = 0;
-       use_scale = 0;
+       use_scale = Rescale::none;
        use_resize_tracks = 0;
        use_wide_audio = 0;
-       use_wide_aspect = 0;
        use_label_chapters = 0;
 
        if( !mwindow->edl ) return 1;
 
-       dvd_width = hd_formats[use_standard].w;
-       dvd_height = hd_formats[use_standard].h;
-       dvd_framerate = hd_formats[use_standard].framerate;
+       int norm = dvd_formats[use_standard].norm;
+       dvd_width = dvd_norms[norm].w;
+       dvd_height = dvd_norms[norm].h;
+       dvd_framerate = dvd_norms[norm].framerate;
+       int aspect = dvd_formats[use_standard].aspect;
+       dvd_aspect_width = dvd_aspects[aspect].w;
+       dvd_aspect_height = dvd_aspects[aspect].h;
+       double dvd_aspect = dvd_aspect_height > 0 ? dvd_aspect_width/dvd_aspect_height : 1;
 
        Tracks *tracks = mwindow->edl->tracks;
        max_w = 0;  max_h = 0;
@@ -912,10 +943,14 @@ option_presets()
                                Indexable *indexable = edit->get_source();
                                int w = indexable->get_w();
                                if( w > max_w ) max_w = w;
-                               if( w != dvd_width ) use_scale = 1;
+                               if( w != dvd_width ) use_scale = Rescale::scaled;
                                int h = indexable->get_h();
                                if( h > max_h ) max_h = h;
-                               if( h != dvd_height ) use_scale = 1;
+                               if( h != dvd_height ) use_scale = Rescale::scaled;
+                               float aw, ah;
+                               MWindow::create_aspect_ratio(aw, ah, w, h);
+                               double aspect = ah > 0 ? aw / ah : 1;
+                               if( !EQUIV(aspect, dvd_aspect) ) use_scale = Rescale::scaled;
                        }
                        for( int i=0; i<trk->plugin_set.size(); ++i ) {
                                for(Plugin *plugin = (Plugin*)trk->plugin_set[i]->first;
@@ -924,6 +959,7 @@ option_presets()
                                        if( !strcmp(plugin->title, _("Deinterlace")) )
                                                has_deinterlace = 1;
                                        if( !strcmp(plugin->title, _("Auto Scale")) ||
+                                           !strcmp(plugin->title, _("Scale Ratio")) ||
                                            !strcmp(plugin->title, _("Scale")) )
                                                has_scale = 1;
                                }
@@ -932,8 +968,8 @@ option_presets()
                }
        }
        if( has_scale )
-               use_scale = 0;
-       if( use_scale ) {
+               use_scale = Rescale::none;
+       if( use_scale != Rescale::none ) {
                if( max_w != dvd_width ) use_resize_tracks = 1;
                if( max_h != dvd_height ) use_resize_tracks = 1;
        }
@@ -950,13 +986,6 @@ option_presets()
        Labels *labels = mwindow->edl->labels;
        use_label_chapters = labels && labels->first ? 1 : 0;
 
-       float aw, ah;
-       MWindow::create_aspect_ratio(aw, ah, max_w, max_h);
-       if( aw == DVD_WIDE_ASPECT_WIDTH && ah == DVD_WIDE_ASPECT_HEIGHT )
-               use_wide_aspect = 1;
-       dvd_aspect_width = use_wide_aspect ? DVD_WIDE_ASPECT_WIDTH : DVD_ASPECT_WIDTH;
-       dvd_aspect_height = use_wide_aspect ? DVD_WIDE_ASPECT_HEIGHT : DVD_ASPECT_HEIGHT;
-
        if( tracks->recordable_audio_tracks() == DVD_WIDE_CHANNELS )
                use_wide_audio = 1;
 
@@ -966,8 +995,8 @@ option_presets()
 
 
 CreateDVD_FormatItem::CreateDVD_FormatItem(CreateDVD_Format *popup,
-               int standard, const char *name)
- : BC_MenuItem(name)
+               int standard, const char *text)
+ : BC_MenuItem(text)
 {
        this->popup = popup;
        this->standard = standard;
@@ -986,7 +1015,7 @@ int CreateDVD_FormatItem::handle_event()
 
 
 CreateDVD_Format::CreateDVD_Format(CreateDVD_GUI *gui, int x, int y)
- : BC_PopupMenu(x, y, 180, hd_formats[gui->thread->use_standard].name, 1)
+ : BC_PopupMenu(x, y, 180, "", 1)
 {
        this->gui = gui;
 }
@@ -997,9 +1026,16 @@ CreateDVD_Format::~CreateDVD_Format()
 
 void CreateDVD_Format::create_objects()
 {
-       for( int i=0; i<(int)(sizeof(hd_formats)/sizeof(hd_formats[0])); ++i ) {
-               add_item(new CreateDVD_FormatItem(this, i, hd_formats[i].name));
+       for( int i=0; i<(int)(sizeof(dvd_formats)/sizeof(dvd_formats[0])); ++i ) {
+               int norm = dvd_formats[i].norm;
+               int aspect = dvd_formats[i].aspect;
+               char item_text[BCTEXTLEN];
+               sprintf(item_text,"%4s (%5.2f) %dx%d",
+                       dvd_norms[norm].name, dvd_norms[norm].framerate,
+                       dvd_aspects[aspect].w, dvd_aspects[aspect].h);
+               add_item(new CreateDVD_FormatItem(this, i, item_text));
        }
+       set_value(gui->thread->use_standard);
 }
 
 int CreateDVD_Format::handle_event()
@@ -1009,6 +1045,53 @@ int CreateDVD_Format::handle_event()
        return 1;
 }
 
+
+CreateDVD_ScaleItem::CreateDVD_ScaleItem(CreateDVD_Scale *popup,
+               int scale, const char *text)
+ : BC_MenuItem(text)
+{
+       this->popup = popup;
+       this->scale = scale;
+}
+
+CreateDVD_ScaleItem::~CreateDVD_ScaleItem()
+{
+}
+
+int CreateDVD_ScaleItem::handle_event()
+{
+       popup->gui->thread->use_scale = scale;
+       popup->set_value(scale);
+       return popup->handle_event();
+}
+
+
+CreateDVD_Scale::CreateDVD_Scale(CreateDVD_GUI *gui, int x, int y)
+ : BC_PopupMenu(x, y, 100, "", 1)
+{
+       this->gui = gui;
+}
+
+CreateDVD_Scale::~CreateDVD_Scale()
+{
+}
+
+void CreateDVD_Scale::create_objects()
+{
+
+       for( int i=0; i<(int)Rescale::n_scale_types; ++i ) {
+               add_item(new CreateDVD_ScaleItem(this, i, Rescale::scale_types[i]));
+       }
+       set_value(gui->thread->use_scale);
+}
+
+int CreateDVD_Scale::handle_event()
+{
+       gui->update();
+       return 1;
+}
+
+
 CreateDVD_MediaSize::CreateDVD_MediaSize(CreateDVD_GUI *gui, int x, int y)
  : BC_PopupTextBox(gui, 0, 0, x, y, 70,50)
 {