bug fix for In/Out pointer Attach Effect on empty track/location - Andrew+Anon
[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / mwindowedit.C
index 6e2df1c93d5a178a39abe9f7c2eda9620f60eaf4..458ced964e8f3418505b7d27ccf19adb80662dd0 100644 (file)
@@ -27,6 +27,7 @@
 #include "clip.h"
 #include "clipedit.h"
 #include "commercials.h"
+#include "convert.h"
 #include "cplayback.h"
 #include "ctimebar.h"
 #include "cwindow.h"
@@ -41,6 +42,7 @@
 #include "gwindow.h"
 #include "gwindowgui.h"
 #include "keyframe.h"
+#include "keyframes.h"
 #include "language.h"
 #include "labels.h"
 #include "levelwindow.h"
 
 void MWindow::add_audio_track_entry(int above, Track *dst)
 {
-       undo->update_undo_before();
-       add_audio_track(above, dst);
+       undo_before();
+       Track *track = add_audio_track(above, dst);
+       track->master = 1;
        save_backup();
-       undo->update_undo_after(_("add track"), LOAD_ALL);
+       undo_after(_("add track"), LOAD_ALL);
 
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
        gui->activate_timeline();
-
-//     gui->get_scrollbars(0);
-//     gui->canvas->draw();
-//     gui->patchbay->update();
-//     gui->cursor->draw(1);
-//     gui->canvas->flash();
-//     gui->canvas->activate();
        cwindow->refresh_frame(CHANGE_EDL);
 }
 
-void MWindow::add_video_track_entry(Track *dst)
+void MWindow::add_video_track_entry(int above, Track *dst)
 {
-       undo->update_undo_before();
-       add_video_track(1, dst);
-       undo->update_undo_after(_("add track"), LOAD_ALL);
+       undo_before();
+       Track *track = add_video_track(above, dst);
+       track->master = 1;
+       undo_after(_("add track"), LOAD_ALL);
 
        restart_brender();
 
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
        gui->activate_timeline();
-//     gui->get_scrollbars(0);
-//     gui->canvas->draw();
-//     gui->patchbay->update();
-//     gui->cursor->draw(1);
-//     gui->canvas->flash();
-//     gui->canvas->activate();
        cwindow->refresh_frame(CHANGE_EDL);
        save_backup();
 }
 
-void MWindow::add_subttl_track_entry(Track *dst)
+void MWindow::add_subttl_track_entry(int above, Track *dst)
 {
-       undo->update_undo_before();
-       add_subttl_track(1, dst);
-       undo->update_undo_after(_("add track"), LOAD_ALL);
+       undo_before();
+       Track *track = add_subttl_track(above, dst);
+       track->master = 1;
+       undo_after(_("add track"), LOAD_ALL);
 
        restart_brender();
 
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
        gui->activate_timeline();
-//     gui->get_scrollbars(0);
-//     gui->canvas->draw();
-//     gui->patchbay->update();
-//     gui->cursor->draw(1);
-//     gui->canvas->flash();
-//     gui->canvas->activate();
        cwindow->refresh_frame(CHANGE_EDL);
        save_backup();
 }
 
 
-int MWindow::add_audio_track(int above, Track *dst)
+Track *MWindow::add_audio_track(int above, Track *dst)
 {
-       edl->tracks->add_audio_track(above, dst);
+       Track *track = edl->tracks->add_audio_track(above, dst);
        edl->tracks->update_y_pixels(theme);
        save_backup();
-       return 0;
+       return track;
 }
 
-int MWindow::add_video_track(int above, Track *dst)
+Track *MWindow::add_video_track(int above, Track *dst)
 {
-       edl->tracks->add_video_track(above, dst);
+       Track *track = edl->tracks->add_video_track(above, dst);
        edl->tracks->update_y_pixels(theme);
        save_backup();
-       return 0;
+       return track;
 }
 
-int MWindow::add_subttl_track(int above, Track *dst)
+Track *MWindow::add_subttl_track(int above, Track *dst)
 {
-       edl->tracks->add_subttl_track(above, dst);
+       Track *track = edl->tracks->add_subttl_track(above, dst);
        edl->tracks->update_y_pixels(theme);
        save_backup();
-       return 0;
+       return track;
 }
 
 void MWindow::asset_to_all()
@@ -174,7 +160,7 @@ void MWindow::asset_to_all()
        {
                int w, h;
 
-               undo->update_undo_before();
+               undo_before();
 
 // Get w and h
                w = indexable->get_w();
@@ -196,13 +182,13 @@ void MWindow::asset_to_all()
 
                        for( Track *current=edl->tracks->first; current; current=NEXT ) {
                                if( current->data_type == TRACK_VIDEO /* &&
-                                       current->record */  ) {
+                                       current->is_armed() */  ) {
                                        current->track_w = w;
                                        current->track_h = h;
                                }
                        }
 
-
+#ifdef GLx4
                        if( ((edl->session->output_w % 4) ||
                                (edl->session->output_h % 4)) &&
                                edl->session->playback_config->vconfig->driver == PLAYBACK_X11_GL ) {
@@ -210,7 +196,7 @@ void MWindow::asset_to_all()
                                        _("This project's dimensions are not multiples of 4 so\n"
                                        "it can't be rendered by OpenGL."));
                        }
-
+#endif
 // Get aspect ratio
                        if( defaults->get("AUTOASPECT", 0) ) {
                                create_aspect_ratio(
@@ -228,7 +214,7 @@ void MWindow::asset_to_all()
 
                save_backup();
 
-               undo->update_undo_after(_("asset to all"), LOAD_ALL);
+               undo_after(_("asset to all"), LOAD_ALL);
                restart_brender();
                gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 0);
                sync_parameters(CHANGE_ALL);
@@ -242,14 +228,14 @@ void MWindow::asset_to_size()
 
        if( indexable->have_video() ) {
                int w, h;
-               undo->update_undo_before();
+               undo_before();
 
 // Get w and h
                w = indexable->get_w();
                h = indexable->get_h();
                edl->session->output_w = w;
                edl->session->output_h = h;
-
+#ifdef GLx4
                if( ((edl->session->output_w % 4) ||
                        (edl->session->output_h % 4)) &&
                        edl->session->playback_config->vconfig->driver == PLAYBACK_X11_GL ) {
@@ -257,7 +243,7 @@ void MWindow::asset_to_size()
                                _("This project's dimensions are not multiples of 4 so\n"
                                "it can't be rendered by OpenGL."));
                }
-
+#endif
 // Get aspect ratio
                if( defaults->get("AUTOASPECT", 0) ) {
                        create_aspect_ratio(edl->session->aspect_w,
@@ -268,7 +254,7 @@ void MWindow::asset_to_size()
 
                save_backup();
 
-               undo->update_undo_after(_("asset to size"), LOAD_ALL);
+               undo_after(_("asset to size"), LOAD_ALL);
                restart_brender();
                sync_parameters(CHANGE_ALL);
        }
@@ -281,14 +267,14 @@ void MWindow::asset_to_rate()
                session->drag_assets->get(0)->have_video() ) {
                double new_framerate = session->drag_assets->get(0)->get_frame_rate();
                double old_framerate = edl->session->frame_rate;
-               undo->update_undo_before();
+               undo_before();
 
                edl->session->frame_rate = new_framerate;
                edl->resample(old_framerate, new_framerate, TRACK_VIDEO);
 
                save_backup();
 
-               undo->update_undo_after(_("asset to rate"), LOAD_ALL);
+               undo_after(_("asset to rate"), LOAD_ALL);
                restart_brender();
                gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 0);
                sync_parameters(CHANGE_ALL);
@@ -298,12 +284,13 @@ void MWindow::asset_to_rate()
 
 void MWindow::clear_entry()
 {
-       undo->update_undo_before();
+       undo_before();
        clear(1);
 
        edl->optimize();
        save_backup();
-       undo->update_undo_after(_("clear"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("clear"),
+                       LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
 
        restart_brender();
        update_plugin_guis();
@@ -344,17 +331,17 @@ void MWindow::update_gui(int changed_edl)
 
 void MWindow::set_automation_mode(int mode)
 {
-       undo->update_undo_before();
+       undo_before();
        speed_before();
        edl->tracks->set_automation_mode(
                edl->local_session->get_selectionstart(),
                edl->local_session->get_selectionend(),
                mode);
-       int changed_edl = speed_after(1);
+       int changed_edl = speed_after(1, 1);
        save_backup();
        char string[BCSTRLEN];
        sprintf(string,"set %s", FloatAuto::curve_name(mode));
-       undo->update_undo_after(string,
+       undo_after(string,
                !changed_edl ? LOAD_AUTOMATION :
                        LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        update_gui(changed_edl);
@@ -362,13 +349,13 @@ void MWindow::set_automation_mode(int mode)
 
 void MWindow::clear_automation()
 {
-       undo->update_undo_before();
+       undo_before();
        speed_before();
        edl->tracks->clear_automation(edl->local_session->get_selectionstart(),
                edl->local_session->get_selectionend());
-       int changed_edl = speed_after(1);
+       int changed_edl = speed_after(1, 1);
        save_backup();
-       undo->update_undo_after(_("clear keyframes"),
+       undo_after(_("clear keyframes"),
                !changed_edl ? LOAD_AUTOMATION :
                        LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        update_gui(changed_edl);
@@ -376,12 +363,12 @@ void MWindow::clear_automation()
 
 int MWindow::clear_default_keyframe()
 {
-       undo->update_undo_before();
+       undo_before();
        speed_before();
        edl->tracks->clear_default_keyframe();
-       int changed_edl = speed_after(1);
+       int changed_edl = speed_after(1, 1);
        save_backup();
-       undo->update_undo_after(_("clear default keyframe"),
+       undo_after(_("clear default keyframe"),
                !changed_edl ? LOAD_AUTOMATION :
                        LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        update_gui(changed_edl);
@@ -390,10 +377,10 @@ int MWindow::clear_default_keyframe()
 
 void MWindow::clear_labels()
 {
-       undo->update_undo_before();
+       undo_before();
        clear_labels(edl->local_session->get_selectionstart(),
                edl->local_session->get_selectionend());
-       undo->update_undo_after(_("clear labels"), LOAD_TIMEBAR);
+       undo_after(_("clear labels"), LOAD_TIMEBAR);
 
        gui->update_timebar(1);
        cwindow->update(0, 0, 0, 0, 1);
@@ -402,17 +389,58 @@ void MWindow::clear_labels()
 
 int MWindow::clear_labels(double start, double end)
 {
+       if( start == end ) {
+               start = 0;
+               end = edl->tracks->total_length();
+       }
        edl->labels->clear(start, end, 0);
        return 0;
 }
 
+void MWindow::clear_hard_edges()
+{
+       undo_before();
+       clear_hard_edges(edl->local_session->get_selectionstart(),
+               edl->local_session->get_selectionend());
+       edl->optimize();
+       save_backup();
+       undo_after(_("clear hard edges"), LOAD_EDITS);
+       restart_brender();
+       gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
+       cwindow->refresh_frame(CHANGE_EDL);
+}
+
+int MWindow::clear_hard_edges(double start, double end)
+{
+       if( start == end ) {
+               start = 0;
+               end = edl->tracks->total_length();
+       }
+       edl->clear_hard_edges(start, end);
+       return 0;
+}
+
+void MWindow::clear_select()
+{
+       edl->tracks->clear_selected_edits();
+       gui->draw_overlays(1);
+}
+
+void MWindow::select_edits(int v)
+{
+       double start = edl->local_session->get_selectionstart();
+       double end = edl->local_session->get_selectionend();
+       edl->tracks->select_edits(start, end, v);
+       gui->draw_overlays(1);
+}
+
 void MWindow::concatenate_tracks()
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->concatenate_tracks(edl->session->plugins_follow_edits,
                edl->session->autos_follow_edits);
        save_backup();
-       undo->update_undo_after(_("concatenate tracks"), LOAD_EDITS);
+       undo_after(_("concatenate tracks"), LOAD_EDITS);
 
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
@@ -420,6 +448,17 @@ void MWindow::concatenate_tracks()
 }
 
 
+int MWindow::copy_flags(int copy_flags)
+{
+       if( !edl->session->labels_follow_edits )
+               copy_flags &= ~COPY_LABELS;
+       if( !edl->session->autos_follow_edits )
+               copy_flags &= ~COPY_AUTOS;
+       if( !edl->session->plugins_follow_edits )
+               copy_flags &= ~COPY_PLUGINS;
+       return copy_flags;
+}
+
 void MWindow::copy()
 {
        copy(edl->local_session->get_selectionstart(),
@@ -431,7 +470,7 @@ int MWindow::copy(double start, double end)
        if( start == end ) return 1;
 
        FileXML file;
-       edl->copy(start, end, 0, &file, "", 1);
+       edl->copy(copy_flags(), start, end, &file, "", 1);
        const char *file_string = file.string();
        long file_length = strlen(file_string);
        gui->to_clipboard(file_string, file_length, BC_PRIMARY_SELECTION);
@@ -466,13 +505,11 @@ int MWindow::copy_default_keyframe()
        return 0;
 }
 
-
 // Uses cropping coordinates in edl session to crop and translate video.
 // We modify the projector since camera automation depends on the track size.
-void MWindow::crop_video()
+void MWindow::crop_video(int mode)
 {
-
-       undo->update_undo_before();
+       undo_before();
 // Clamp EDL crop region
        if( edl->session->crop_x1 > edl->session->crop_x2 ) {
                edl->session->crop_x1 ^= edl->session->crop_x2;
@@ -484,22 +521,54 @@ void MWindow::crop_video()
                edl->session->crop_y2 ^= edl->session->crop_y1;
                edl->session->crop_y1 ^= edl->session->crop_y2;
        }
-
-       float old_projector_x = (float)edl->session->output_w / 2;
-       float old_projector_y = (float)edl->session->output_h / 2;
-       float new_projector_x = (float)(edl->session->crop_x1 + edl->session->crop_x2) / 2;
-       float new_projector_y = (float)(edl->session->crop_y1 + edl->session->crop_y2) / 2;
-       float projector_offset_x = -(new_projector_x - old_projector_x);
-       float projector_offset_y = -(new_projector_y - old_projector_y);
-
-       edl->tracks->translate_projector(projector_offset_x, projector_offset_y);
-
-       edl->session->output_w = edl->session->crop_x2 - edl->session->crop_x1;
-       edl->session->output_h = edl->session->crop_y2 - edl->session->crop_y1;
-       edl->session->crop_x1 = 0;
-       edl->session->crop_y1 = 0;
-       edl->session->crop_x2 = edl->session->output_w;
-       edl->session->crop_y2 = edl->session->output_h;
+       switch( mode ) {
+       case CROP_REFORMAT: {
+               float ctr_x = edl->session->output_w / 2.;
+               float ctr_y = edl->session->output_h / 2.;
+               float new_x = (edl->session->crop_x1 + edl->session->crop_x2) / 2.;
+               float new_y = (edl->session->crop_y1 + edl->session->crop_y2) / 2.;
+               float dx = -(new_x - ctr_x), dy = -(new_y - ctr_y);
+               edl->tracks->translate_projector(dx, dy, 1);
+
+               edl->session->output_w = edl->session->crop_x2 - edl->session->crop_x1;
+               edl->session->output_h = edl->session->crop_y2 - edl->session->crop_y1;
+               edl->session->crop_x1 = edl->session->crop_y1 = 0;
+               edl->session->crop_x2 = edl->session->output_w;
+               edl->session->crop_y2 = edl->session->output_h;
+               break; }
+       case CROP_RESIZE: {
+               float old_w = edl->session->output_w;
+               float old_h = edl->session->output_h;
+               float new_w = edl->session->crop_x2 - edl->session->crop_x1;
+               float new_h = edl->session->crop_y2 - edl->session->crop_y1;
+               if( !new_w ) new_w = 1;
+               if( !new_h ) new_h = 1;
+               float xzoom = old_w / new_w, yzoom = old_h / new_h;
+               float new_z = bmin(xzoom, yzoom);
+               float new_x = (edl->session->crop_x1 + edl->session->crop_x2) / 2.;
+               float new_y = (edl->session->crop_y1 + edl->session->crop_y2) / 2.;
+               edl->tracks->crop_resize(new_x, new_y, new_z);
+
+               edl->session->crop_x1 = 0;
+               edl->session->crop_y1 = 0;
+               edl->session->crop_x2 = edl->session->output_w;
+               edl->session->crop_y2 = edl->session->output_h;
+               break; }
+       case CROP_SHRINK: {
+               float old_w = edl->session->output_w;
+               float old_h = edl->session->output_h;
+               float new_w = edl->session->crop_x2 - edl->session->crop_x1;
+               float new_h = edl->session->crop_y2 - edl->session->crop_y1;
+               if( !new_w ) new_w = 1;
+               if( !new_h ) new_h = 1;
+               float xzoom = old_w / new_w, yzoom = old_h / new_h;
+               float new_z = bmin(xzoom, yzoom);
+
+               float new_x = (edl->session->crop_x1 + edl->session->crop_x2) / 2.;
+               float new_y = (edl->session->crop_y1 + edl->session->crop_y2) / 2.;
+               edl->tracks->crop_shrink(new_x, new_y, new_z);
+               break; }
+       }
 
 // Recalculate aspect ratio
        if( defaults->get("AUTOASPECT", 0) ) {
@@ -509,7 +578,7 @@ void MWindow::crop_video()
                        edl->session->output_h);
        }
 
-       undo->update_undo_after(_("crop"), LOAD_ALL);
+       undo_after(_("crop"), LOAD_ALL);
 
        restart_brender();
        cwindow->refresh_frame(CHANGE_ALL);
@@ -528,11 +597,11 @@ void MWindow::cut()
 
 void MWindow::blade(double position)
 {
-       undo->update_undo_before();
+       undo_before();
        edl->blade(position);
        edl->optimize();
        save_backup();
-       undo->update_undo_after(_("blade"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("blade"), LOAD_EDITS | LOAD_TIMEBAR);
        restart_brender();
        update_plugin_guis();
        gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 0);
@@ -543,7 +612,7 @@ void MWindow::blade(double position)
 
 void MWindow::cut(double start, double end, double new_position)
 {
-       undo->update_undo_before();
+       undo_before();
        copy(start, end);
        edl->clear(start, end,
                edl->session->labels_follow_edits,
@@ -552,7 +621,7 @@ void MWindow::cut(double start, double end, double new_position)
 
        edl->optimize();
        save_backup();
-       undo->update_undo_after(_("split | cut"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("split | cut"), LOAD_EDITS | LOAD_TIMEBAR);
        if( new_position >= 0 ) {
                edl->local_session->set_selectionstart(new_position);
                edl->local_session->set_selectionend(new_position);
@@ -603,14 +672,14 @@ void MWindow::cut_right_label()
 
 int MWindow::cut_automation()
 {
-       undo->update_undo_before();
+       undo_before();
        speed_before();
        copy_automation();
        edl->tracks->clear_automation(edl->local_session->get_selectionstart(),
                edl->local_session->get_selectionend());
-       int changed_edl = speed_after(1);
+       int changed_edl = speed_after(1, 1);
        save_backup();
-       undo->update_undo_after(_("cut keyframes"),
+       undo_after(_("cut keyframes"),
                !changed_edl ? LOAD_AUTOMATION :
                        LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        update_gui(changed_edl);
@@ -620,13 +689,13 @@ int MWindow::cut_automation()
 int MWindow::cut_default_keyframe()
 {
 
-       undo->update_undo_before();
+       undo_before();
        speed_before();
        copy_default_keyframe();
        edl->tracks->clear_default_keyframe();
-       int changed_edl = speed_after(1);
+       int changed_edl = speed_after(1, 1);
        save_backup();
-       undo->update_undo_after(_("cut default keyframe"),
+       undo_after(_("cut default keyframe"),
                !changed_edl ? LOAD_AUTOMATION :
                        LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        update_gui(changed_edl);
@@ -634,17 +703,11 @@ int MWindow::cut_default_keyframe()
 }
 
 
-void MWindow::delete_track()
-{
-       if( edl->tracks->last )
-               delete_track(edl->tracks->last);
-}
-
 void MWindow::delete_tracks()
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->delete_tracks();
-       undo->update_undo_after(_("delete tracks"), LOAD_ALL);
+       undo_after(_("delete tracks"), LOAD_ALL);
        save_backup();
 
        restart_brender();
@@ -656,9 +719,9 @@ void MWindow::delete_tracks()
 
 void MWindow::delete_track(Track *track)
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->delete_track(track);
-       undo->update_undo_after(_("delete track"), LOAD_ALL);
+       undo_after(_("delete track"), LOAD_ALL);
 
        restart_brender();
        update_plugin_states();
@@ -710,23 +773,44 @@ void MWindow::insert(double position, FileXML *file,
 //printf("MWindow::insert 6 %p\n", vwindow->get_edl());
 }
 
-void MWindow::insert_effects_canvas(double start,
-       double length)
+void MWindow::insert_effects_canvas(Track *dest_track, double start, double length)
 {
-       Track *dest_track = session->track_highlighted;
-       if( !dest_track ) return;
+       undo_before();
 
-       undo->update_undo_before();
+       ArrayList<SharedLocation> shared_locations;
+       PluginSet *pluginset = session->pluginset_highlighted;
+       int gang = edl->local_session->gang_tracks != GANG_NONE ? 1 : 0;
+       int data_type = dest_track->data_type;
+       int first_track = 1;
 
-       for( int i=0; i<session->drag_pluginservers->total; ++i ) {
-               PluginServer *plugin = session->drag_pluginservers->values[i];
-               insert_effect(plugin->title, 0, dest_track,
-                       i == 0 ? session->pluginset_highlighted : 0,
-                       start, length, PLUGIN_STANDALONE);
+       for( Track *track=dest_track; track; track=track->next ) {
+               if( gang && track->master && !first_track ) break;
+               if( track->data_type != data_type ) continue;
+               if( !track->is_armed() ) continue;
+               int module = edl->tracks->number_of(track);
+               for( int i=0; i<session->drag_pluginservers->total; ++i ) {
+                       PluginServer *plugin = session->drag_pluginservers->values[i];
+                       int shared = gang; // && plugin->multichannel ? 1 : 0;
+                       int plugin_type = !first_track && shared ?
+                               PLUGIN_SHAREDPLUGIN : PLUGIN_STANDALONE;
+                       SharedLocation *shared_location = !first_track ?
+                               &shared_locations[i] : &shared_locations.append();
+                       insert_effect(plugin->title, shared_location, track,
+                                       pluginset, start, length, plugin_type);
+                       if( first_track && shared ) {
+                               shared_location->module = module;
+                               shared_location->plugin = pluginset ?
+                                       track->plugin_set.number_of(pluginset) :
+                                       track->plugin_set.total-1 ;
+                       }
+               }
+               if( !gang ) break;
+               first_track = 0;
+               pluginset = 0;
        }
 
        save_backup();
-       undo->update_undo_after(_("insert effect"), LOAD_EDITS | LOAD_PATCHES);
+       undo_after(_("insert effect"), LOAD_EDITS | LOAD_PATCHES);
        restart_brender();
        sync_parameters(CHANGE_EDL);
 // GUI updated in TrackCanvas, after current_operations are reset
@@ -736,8 +820,6 @@ void MWindow::insert_effects_cwindow(Track *dest_track)
 {
        if( !dest_track ) return;
 
-       undo->update_undo_before();
-
        double start = 0;
        double length = dest_track->get_length();
 
@@ -748,55 +830,45 @@ void MWindow::insert_effects_cwindow(Track *dest_track)
                        edl->local_session->get_selectionstart();
        }
 
-       for( int i=0; i<session->drag_pluginservers->total; ++i ) {
-               PluginServer *plugin = session->drag_pluginservers->values[i];
-               insert_effect(plugin->title, 0, dest_track, 0,
-                       start, length, PLUGIN_STANDALONE);
-       }
-
-       save_backup();
-       undo->update_undo_after(_("insert effect"), LOAD_EDITS | LOAD_PATCHES);
-       restart_brender();
-       sync_parameters(CHANGE_EDL);
+       insert_effects_canvas(dest_track, start, length);
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
 }
 
-void MWindow::insert_effect(char *title,
-       SharedLocation *shared_location,
-       int data_type,
-       int plugin_type,
-       int single_standalone)
+void MWindow::insert_effect(char *title, SharedLocation *shared_location,
+               int data_type, int plugin_type, int single_standalone)
 {
        Track *current = edl->tracks->first;
        SharedLocation shared_location_local;
        shared_location_local.copy_from(shared_location);
        int first_track = 1;
+       double start_pos = edl->local_session->get_selectionstart();
+       double end_pos = edl->local_session->get_selectionend();
        for( ; current; current=NEXT ) {
-               if( current->data_type == data_type &&
-                       current->record ) {
-                       insert_effect(title, &shared_location_local,
-                               current, 0, 0, 0, plugin_type);
-
-                       if( first_track ) {
-                               if( plugin_type == PLUGIN_STANDALONE && single_standalone ) {
-                                       plugin_type = PLUGIN_SHAREDPLUGIN;
-                                       shared_location_local.module = edl->tracks->number_of(current);
-                                       shared_location_local.plugin = current->plugin_set.total - 1;
-                               }
-                               first_track = 0;
+               if( current->data_type != data_type ) continue;
+               if( !current->is_armed() ) continue;
+               double start = start_pos, end = end_pos;
+               if( plugin_type == PLUGIN_STANDALONE && start >= end ) {
+                       start = 0;
+                       end = current->get_length();
+               }
+               double length = end - start;
+               insert_effect(title, &shared_location_local,
+                               current, 0, start, length, plugin_type);
+               if( first_track ) {
+                       if( plugin_type == PLUGIN_STANDALONE && single_standalone ) {
+                               plugin_type = PLUGIN_SHAREDPLUGIN;
+                               shared_location_local.module = edl->tracks->number_of(current);
+                               shared_location_local.plugin = current->plugin_set.total - 1;
+                               start_pos = start;  end_pos = end;
                        }
+                       first_track = 0;
                }
        }
 }
 
-
 void MWindow::insert_effect(char *title,
-       SharedLocation *shared_location,
-       Track *track,
-       PluginSet *plugin_set,
-       double start,
-       double length,
-       int plugin_type)
+               SharedLocation *shared_location, Track *track, PluginSet *plugin_set,
+               double start, double length, int plugin_type)
 {
        KeyFrame *default_keyframe = 0;
        PluginServer *server = 0;
@@ -809,9 +881,8 @@ void MWindow::insert_effect(char *title,
                server->save_data(default_keyframe);
        }
 // Insert plugin object
-       track->insert_effect(title, shared_location,
-               default_keyframe, plugin_set,
-               start, length, plugin_type);
+       track->insert_effect(title, shared_location, default_keyframe,
+                       plugin_set, start, length, plugin_type);
        track->optimize();
 
        if( plugin_type == PLUGIN_STANDALONE ) {
@@ -823,15 +894,14 @@ void MWindow::insert_effect(char *title,
 
 int MWindow::modify_edithandles()
 {
-       undo->update_undo_before();
+       undo_before();
+       int handle_mode = edl->session->edit_handle_mode[session->drag_button];
        edl->modify_edithandles(session->drag_start,
-               session->drag_position,
-               session->drag_handle,
-               edl->session->edit_handle_mode[session->drag_button],
+               session->drag_position, session->drag_handle, handle_mode,
                edl->session->labels_follow_edits,
                edl->session->plugins_follow_edits,
-               edl->session->autos_follow_edits);
-
+               edl->session->autos_follow_edits,
+               session->drag_edit->group_id);
        finish_modify_handles();
 //printf("MWindow::modify_handles 1\n");
        return 0;
@@ -839,7 +909,7 @@ int MWindow::modify_edithandles()
 
 int MWindow::modify_pluginhandles()
 {
-       undo->update_undo_before();
+       undo_before();
 
        edl->modify_pluginhandles(session->drag_start,
                session->drag_position,
@@ -859,26 +929,26 @@ int MWindow::modify_pluginhandles()
 void MWindow::finish_modify_handles()
 {
        int edit_mode = edl->session->edit_handle_mode[session->drag_button];
-
-       if( (session->drag_handle == 1 && edit_mode != MOVE_NO_EDITS) ||
-               (session->drag_handle == 0 && edit_mode == MOVE_ONE_EDIT) ) {
-//printf("MWindow::finish_modify_handles %d\n", __LINE__);
-               edl->local_session->set_selectionstart(session->drag_position);
-               edl->local_session->set_selectionend(session->drag_position);
-       }
-       else
-       if( edit_mode != MOVE_NO_EDITS ) {
-//printf("MWindow::finish_modify_handles %d\n", __LINE__);
-               edl->local_session->set_selectionstart(session->drag_start);
-               edl->local_session->set_selectionend(session->drag_start);
-       }
-
-// clamp the selection to 0
-       if( edl->local_session->get_selectionstart(1) < 0 ) {
-               edl->local_session->set_selectionstart(0);
-               edl->local_session->set_selectionend(0);
-       }
-       undo->update_undo_after(_("drag handle"), LOAD_EDITS | LOAD_TIMEBAR);
+       double position = -1;
+       switch( edit_mode ) {
+       case MOVE_RIPPLE:
+               position = !session->drag_handle ?
+                       session->drag_start : session->drag_position;
+               break;
+       case MOVE_ROLL:
+       case MOVE_SLIDE:
+               position = session->drag_position;
+               break;
+       case MOVE_SLIP:
+       case MOVE_EDGE:
+               position = session->drag_start;
+               break;
+       }
+       if( position >= 0 ) {
+               edl->local_session->set_selectionstart(position);
+               edl->local_session->set_selectionend(position);
+       }
+       undo_after(_("drag handle"), LOAD_EDITS | LOAD_TIMEBAR);
 
        save_backup();
        restart_brender();
@@ -890,95 +960,47 @@ void MWindow::finish_modify_handles()
        cwindow->update(1, 0, 0, 0, 1);
 }
 
+int MWindow::modify_transnhandles()
+{
+       gui->reset_default_message();
+       gui->default_message();
+       Transition *transition = session->drag_transition;
+       if( !transition ) return 1;
+       int64_t length = transition->length;
+       Track *track = transition->edit->track;
+       int64_t start_pos = track->to_units(session->drag_start, 0);
+       int64_t end_pos = track->to_units(session->drag_position, 0);
+       length += end_pos - start_pos;
+       if( length < 0 ) length = 0;
+       if( length == transition->length ) return 0;
+
+       undo_before();
+       transition->length = length;
+       undo_after(_("trans handle"), LOAD_EDITS);
+
+       save_backup();
+       restart_brender();
+       sync_parameters(CHANGE_EDL);
+       update_plugin_guis();
+       gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 0);
+       cwindow->update(1, 0, 0, 0, 1);
+
+       return 0;
+}
+
 void MWindow::match_output_size(Track *track)
 {
-       undo->update_undo_before();
+       undo_before();
        track->track_w = edl->session->output_w;
        track->track_h = edl->session->output_h;
        save_backup();
-       undo->update_undo_after(_("match output size"), LOAD_ALL);
+       undo_after(_("match output size"), LOAD_ALL);
 
        restart_brender();
        sync_parameters(CHANGE_EDL);
 }
 
 
-void MWindow::selected_to_clipboard(int packed)
-{
-       double start = DBL_MAX, end = DBL_MIN;
-       Track *first_track=0, *last_track = 0;
-       for( Track *track=edl->tracks->first; track; track=track->next ) {
-               if( !track->record ) continue;
-               int empty = 1;
-               for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
-                       if( !edit->is_selected || edit->silence() ) continue;
-                       double edit_pos = track->from_units(edit->startproject);
-                       if( start > edit_pos ) start = edit_pos;
-                       if( end < (edit_pos+=edit->length) ) end = edit_pos;
-                       empty = 0;
-               }
-               if( empty ) continue;
-               if( !first_track ) first_track = track;
-               last_track = track;
-       }
-       if( !first_track ) return;
-       EDL *new_edl = new EDL();
-       new_edl->create_objects();
-       new_edl->copy_session(edl);
-       const char *text = _("new_edl edit");
-       new_edl->set_path(text);
-       strcpy(new_edl->local_session->clip_title, text);
-       strcpy(new_edl->local_session->clip_notes, text);
-       new_edl->session->video_tracks = 0;
-       new_edl->session->audio_tracks = 0;
-       for( Track *track=edl->tracks->first; track; track=track->next ) {
-               if( !track->record ) continue;
-               if( first_track ) {
-                       if( first_track != track ) continue;
-                       first_track = 0;
-               }
-               Track *new_track = 0;
-               if( !packed )
-                       new_track = new_edl->add_new_track(track->data_type);
-               int64_t start_pos = track->to_units(start, 0);
-               int64_t end_pos = track->to_units(end, 0);
-               int64_t startproject = 0;
-               for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
-                       if( edit->startproject < start_pos ) continue;
-                       if( edit->startproject >= end_pos ) break;
-                       if( !edit->is_selected || edit->silence() ) continue;
-                       if( !new_track )
-                               new_track = new_edl->add_new_track(track->data_type);
-                       if( new_track ) {
-                               if( !packed ) {
-                                       int64_t edit_position = edit->startproject - start_pos;
-                                       if( edit_position > startproject ) {
-                                               Edit *silence = new Edit(new_edl, new_track);
-                                               silence->startproject = startproject;
-                                               silence->length = edit_position - startproject;
-                                               new_track->edits->append(silence);
-                                               startproject = edit_position;
-                                       }
-                               }
-                               Edit *clip_edit = new Edit(new_edl, new_track);
-                               clip_edit->copy_from(edit);
-                               clip_edit->startproject = startproject;
-                               startproject += clip_edit->length;
-                               new_track->edits->append(clip_edit);
-                       }
-               }
-               if( last_track == track ) break;
-       }
-       double length = new_edl->tracks->total_length();
-       FileXML file;
-       new_edl->copy(0, length, 1, &file, "", 1);
-       const char *file_string = file.string();
-       long file_length = strlen(file_string);
-       gui->to_clipboard(file_string, file_length, BC_PRIMARY_SELECTION);
-       gui->to_clipboard(file_string, file_length, SECONDARY_SELECTION);
-       new_edl->remove_user();
-}
-
 void MWindow::delete_edit(Edit *edit, const char *msg, int collapse)
 {
        ArrayList<Edit*> edits;
@@ -989,21 +1011,13 @@ void MWindow::delete_edit(Edit *edit, const char *msg, int collapse)
 void MWindow::delete_edits(ArrayList<Edit*> *edits, const char *msg, int collapse)
 {
        if( !edits->size() ) return;
-       undo->update_undo_before();
-       for( Track *track=edl->tracks->first; track; track=track->next ) {
-               for( Edit *next=track->edits->first; next; ) {
-                       Edit *edit = next;  next = edit->next;
-                       if( !edit->is_selected ) continue;
-                       int64_t len = edit->length;
-                       delete edit;
-                       if( !collapse ) continue;
-                       for( edit=next; edit; edit=edit->next )
-                               edit->startproject -= len;
-               }
-       }
+       undo_before();
+       if( edl->session->labels_follow_edits )
+               edl->delete_edit_labels(edits, collapse);
+       edl->delete_edits(edits, collapse);
        edl->optimize();
        save_backup();
-       undo->update_undo_after(msg, LOAD_EDITS);
+       undo_after(msg, LOAD_EDITS);
 
        restart_brender();
        cwindow->refresh_frame(CHANGE_EDL);
@@ -1022,7 +1036,7 @@ void MWindow::delete_edits(int collapse)
 // packed - omit unselected from selection, unpacked - replace unselected with silence
 void MWindow::cut_selected_edits(int collapse, int packed)
 {
-       selected_to_clipboard(packed);
+       selected_edits_to_clipboard(packed);
        ArrayList<Edit*> edits;
        edl->tracks->get_selected_edits(&edits);
        delete_edits(&edits, _("cut edit"), collapse);
@@ -1030,23 +1044,95 @@ void MWindow::cut_selected_edits(int collapse, int packed)
 
 
 void MWindow::move_edits(ArrayList<Edit*> *edits,
-               Track *track,
-               double position,
-               int behaviour)
+               Track *track, double position, int mode)
 {
-       undo->update_undo_before();
-
-       edl->tracks->move_edits(edits,
-               track,
-               position,
+       undo_before();
+// lockout timebar labels update
+//  labels can be deleted with tooltip repeater running
+       cwindow->gui->lock_window("Tracks::move_edits");
+       edl->tracks->move_edits(edits, track, position,
                edl->session->labels_follow_edits,
                edl->session->plugins_follow_edits,
-               edl->session->autos_follow_edits,
-               behaviour);
+               edl->session->autos_follow_edits, mode);
+       cwindow->gui->timebar->update(1);
+       cwindow->gui->unlock_window();
 
        save_backup();
-       undo->update_undo_after(_("move edit"), LOAD_ALL);
+       undo_after(_("move edit"), LOAD_ALL);
+
+       restart_brender();
+       cwindow->refresh_frame(CHANGE_EDL);
+
+       update_plugin_guis();
+       gui->update(1, NORMAL_DRAW, 1, 0, 0, 0, 0);
+}
+
+void MWindow::selected_edits_to_clipboard(int packed)
+{
+       EDL *new_edl = edl->selected_edits_to_clip(packed, 0, 0,
+               edl->session->labels_follow_edits,
+               edl->session->autos_follow_edits,
+               edl->session->plugins_follow_edits);
+       if( !new_edl ) return;
+       FileXML file;
+       new_edl->copy(COPY_EDL, &file, "", 1);
+       const char *file_string = file.string();
+       long file_length = strlen(file_string);
+       gui->to_clipboard(file_string, file_length, BC_PRIMARY_SELECTION);
+       gui->to_clipboard(file_string, file_length, SECONDARY_SELECTION);
+       new_edl->remove_user();
+}
+
+void MWindow::paste_clipboard(Track *first_track, double position, int overwrite,
+               int edit_edits, int edit_labels, int edit_autos, int edit_plugins)
+{
+       int64_t len = gui->clipboard_len(BC_PRIMARY_SELECTION);
+       if( !len ) return;
+       char *string = new char[len];
+       gui->from_clipboard(string, len, BC_PRIMARY_SELECTION);
+       FileXML file;
+       file.read_from_string(string);
+       delete [] string;
+       EDL *clip = new EDL();
+       clip->create_objects();
+       if( !clip->load_xml(&file, LOAD_ALL) ) {
+               undo_before();
+               edl->paste_edits(clip, first_track, position, overwrite,
+                       edit_edits, edit_labels, edit_autos, edit_plugins);
+               save_backup();
+               undo_after(_("paste clip"), LOAD_ALL);
+               restart_brender();
+               cwindow->refresh_frame(CHANGE_EDL);
+
+               update_plugin_guis();
+               gui->update(1, NORMAL_DRAW, 1, 0, 0, 0, 0);
+       }
+       clip->remove_user();
+}
+
+void MWindow::move_group(EDL *group, Track *first_track, double position, int overwrite)
+{
+       undo_before();
+// lockout timebar labels update
+//  labels can be deleted with tooltip repeater running
+       cwindow->gui->lock_window("Tracks::move_group");
 
+       ArrayList<Edit *>edits;
+       edl->tracks->get_selected_edits(&edits);
+       if( edl->session->labels_follow_edits )
+               edl->delete_edit_labels(&edits, 0);
+       edl->delete_edits(&edits, 0);
+       edl->paste_edits(group, first_track, position, overwrite, 1,
+               edl->session->labels_follow_edits,
+               edl->session->autos_follow_edits,
+               edl->session->plugins_follow_edits);
+       cwindow->gui->timebar->update(1);
+       cwindow->gui->unlock_window();
+// big debate over whether to do this, must either clear selected, or no tweaking
+//     edl->tracks->clear_selected_edits();
+
+       save_backup();
+       undo_after(_("move group"), LOAD_ALL);
        restart_brender();
        cwindow->refresh_frame(CHANGE_EDL);
 
@@ -1056,10 +1142,10 @@ void MWindow::move_edits(ArrayList<Edit*> *edits,
 
 void MWindow::move_effect(Plugin *plugin, Track *track, int64_t position)
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->move_effect(plugin, track, position);
        save_backup();
-       undo->update_undo_after(_("paste effect"), LOAD_ALL);
+       undo_after(_("paste effect"), LOAD_ALL);
 
        restart_brender();
        cwindow->refresh_frame(CHANGE_EDL);
@@ -1069,10 +1155,10 @@ void MWindow::move_effect(Plugin *plugin, Track *track, int64_t position)
 
 void MWindow::move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t position)
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->move_effect(plugin, plugin_set, position);
        save_backup();
-       undo->update_undo_after(_("move effect"), LOAD_ALL);
+       undo_after(_("move effect"), LOAD_ALL);
 
        restart_brender();
        cwindow->refresh_frame(CHANGE_EDL);
@@ -1083,11 +1169,11 @@ void MWindow::move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t positio
 void MWindow::move_plugins_up(PluginSet *plugin_set)
 {
 
-       undo->update_undo_before();
+       undo_before();
        plugin_set->track->move_plugins_up(plugin_set);
 
        save_backup();
-       undo->update_undo_after(_("move effect up"), LOAD_ALL);
+       undo_after(_("move effect up"), LOAD_ALL);
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 0, 0, 0);
        sync_parameters(CHANGE_EDL);
@@ -1095,23 +1181,73 @@ void MWindow::move_plugins_up(PluginSet *plugin_set)
 
 void MWindow::move_plugins_down(PluginSet *plugin_set)
 {
-       undo->update_undo_before();
+       undo_before();
 
        plugin_set->track->move_plugins_down(plugin_set);
 
        save_backup();
-       undo->update_undo_after(_("move effect down"), LOAD_ALL);
+       undo_after(_("move effect down"), LOAD_ALL);
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 0, 0, 0);
        sync_parameters(CHANGE_EDL);
 }
 
+void MWindow::roll_track_down(Track *track)
+{
+       undo_before();
+       edl->tracks->roll_track_down(track);
+       save_backup();
+       undo_after(_("move track down"), LOAD_ALL);
+
+       restart_brender();
+       gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
+       sync_parameters(CHANGE_EDL);
+       save_backup();
+}
+
+void MWindow::roll_tracks_down()
+{
+       undo_before();
+       edl->tracks->roll_tracks_down();
+       save_backup();
+       undo_after(_("move tracks down"), LOAD_ALL);
+
+       restart_brender();
+       gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
+       sync_parameters(CHANGE_EDL);
+       save_backup();
+}
+
+void MWindow::roll_track_up(Track *track)
+{
+       undo_before();
+       edl->tracks->roll_track_up(track);
+       save_backup();
+       undo_after(_("move track up"), LOAD_ALL);
+       restart_brender();
+       gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
+       sync_parameters(CHANGE_EDL);
+       save_backup();
+}
+
+void MWindow::roll_tracks_up()
+{
+       undo_before();
+       edl->tracks->roll_tracks_up();
+       save_backup();
+       undo_after(_("move tracks up"), LOAD_ALL);
+       restart_brender();
+       gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
+       sync_parameters(CHANGE_EDL);
+}
+
+
 void MWindow::move_track_down(Track *track)
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->move_track_down(track);
        save_backup();
-       undo->update_undo_after(_("move track down"), LOAD_ALL);
+       undo_after(_("swap track down"), LOAD_ALL);
 
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
@@ -1121,10 +1257,10 @@ void MWindow::move_track_down(Track *track)
 
 void MWindow::move_tracks_down()
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->move_tracks_down();
        save_backup();
-       undo->update_undo_after(_("move tracks down"), LOAD_ALL);
+       undo_after(_("swap tracks down"), LOAD_ALL);
 
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
@@ -1134,10 +1270,10 @@ void MWindow::move_tracks_down()
 
 void MWindow::move_track_up(Track *track)
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->move_track_up(track);
        save_backup();
-       undo->update_undo_after(_("move track up"), LOAD_ALL);
+       undo_after(_("swap track up"), LOAD_ALL);
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
        sync_parameters(CHANGE_EDL);
@@ -1146,10 +1282,10 @@ void MWindow::move_track_up(Track *track)
 
 void MWindow::move_tracks_up()
 {
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->move_tracks_up();
        save_backup();
-       undo->update_undo_after(_("move tracks up"), LOAD_ALL);
+       undo_after(_("swap tracks up"), LOAD_ALL);
        restart_brender();
        gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
        sync_parameters(CHANGE_EDL);
@@ -1161,7 +1297,7 @@ void MWindow::mute_selection()
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
        if( start != end ) {
-               undo->update_undo_before();
+               undo_before();
                edl->clear(start, end, 0,
                        edl->session->plugins_follow_edits,
                        edl->session->autos_follow_edits);
@@ -1172,7 +1308,7 @@ void MWindow::mute_selection()
                        edl->session->autos_follow_edits);
 
                save_backup();
-               undo->update_undo_after(_("mute"), LOAD_EDITS);
+               undo_after(_("mute"), LOAD_EDITS);
 
                restart_brender();
                update_plugin_guis();
@@ -1199,29 +1335,36 @@ void MWindow::overwrite(EDL *source, int all)
        double dst_start = edl->local_session->get_selectionstart();
        double dst_len = edl->local_session->get_selectionend() - dst_start;
 
-       undo->update_undo_before();
+       undo_before();
        if( !EQUIV(dst_len, 0) && (dst_len < overwrite_len) ) {
 // in/out points or selection present and shorter than overwrite range
 // shorten the copy range
                overwrite_len = dst_len;
        }
 
-       source->copy(src_start, src_start + overwrite_len, 0, &file, "", 1);
+       source->copy(copy_flags(), src_start, src_start + overwrite_len, &file, "", 1);
 
 // HACK around paste_edl get_start/endselection on its own
 // so we need to clear only when not using both io points
 // FIXME: need to write simple overwrite_edl to be used for overwrite function
        if( edl->local_session->get_inpoint() < 0 ||
-               edl->local_session->get_outpoint() < 0 )
-               edl->clear(dst_start, dst_start + overwrite_len, 0, 0, 0);
+           edl->local_session->get_outpoint() < 0 )
+               edl->clear(dst_start, dst_start + overwrite_len,
+                               edl->session->labels_follow_edits,
+                               edl->session->plugins_follow_edits,
+                               edl->session->autos_follow_edits);
 
-       paste(dst_start, dst_start + overwrite_len, &file, 0, 0, 0, 0, 0);
+       paste(dst_start, dst_start + overwrite_len, &file,
+                               edl->session->labels_follow_edits,
+                               edl->session->plugins_follow_edits,
+                               edl->session->autos_follow_edits, 0, 0);
 
        edl->local_session->set_selectionstart(dst_start + overwrite_len);
        edl->local_session->set_selectionend(dst_start + overwrite_len);
 
        save_backup();
-       undo->update_undo_after(_("overwrite"), LOAD_EDITS);
+       undo_after(_("overwrite"),
+                       LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
 
        restart_brender();
        update_plugin_guis();
@@ -1257,7 +1400,7 @@ void MWindow::paste(double start, Track *first_track, int clear_selection, int o
 
        if( len ) {
                char *string = new char[len];
-               undo->update_undo_before();
+               undo_before();
                gui->from_clipboard(string, len, BC_PRIMARY_SELECTION);
                FileXML file;
                file.read_from_string(string);
@@ -1274,7 +1417,8 @@ void MWindow::paste(double start, Track *first_track, int clear_selection, int o
 
                save_backup();
 
-               undo->update_undo_after(_("paste"), LOAD_EDITS | LOAD_TIMEBAR);
+               undo_after(_("paste"),
+                               LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
                restart_brender();
                update_plugin_guis();
                gui->update(1, FORCE_REDRAW, 1, 1, 0, 1, 0);
@@ -1287,7 +1431,7 @@ void MWindow::paste(double start, Track *first_track, int clear_selection, int o
 int MWindow::paste_assets(double position, Track *dest_track, int overwrite)
 {
        int result = 0;
-       undo->update_undo_before();
+       undo_before();
 
        if( session->drag_assets->total ) {
                load_assets(session->drag_assets,
@@ -1311,7 +1455,8 @@ int MWindow::paste_assets(double position, Track *dest_track, int overwrite)
 
        save_backup();
 
-       undo->update_undo_after(_("paste assets"), LOAD_EDITS);
+       undo_after(_("paste assets"),
+                       LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        restart_brender();
        gui->update(1, FORCE_REDRAW, 1, 0, 0, 1, 0);
        sync_parameters(CHANGE_EDL);
@@ -1326,13 +1471,14 @@ void MWindow::load_assets(ArrayList<Indexable*> *new_assets,
                load_mode = LOADMODE_ASSETSONLY;
 const int debug = 0;
 if( debug ) printf("MWindow::load_assets %d\n", __LINE__);
-       if( position < 0 ) position = edl->local_session->get_selectionstart();
+       if( position < 0 )
+               position = edl->local_session->get_selectionstart();
 
        ArrayList<EDL*> new_edls;
        for( int i=0; i<new_assets->total; ++i ) {
                Indexable *indexable = new_assets->get(i);
                if( indexable->is_asset ) {
-                       remove_asset_from_caches((Asset*)indexable);
+                       remove_from_caches(indexable);
                }
                EDL *new_edl = new EDL;
                new_edl->create_objects();
@@ -1372,7 +1518,7 @@ int MWindow::paste_automation()
        int64_t len = gui->clipboard_len(BC_PRIMARY_SELECTION);
 
        if( len ) {
-               undo->update_undo_before();
+               undo_before();
                speed_before();
                char *string = new char[len];
                gui->from_clipboard(string, len, BC_PRIMARY_SELECTION);
@@ -1384,9 +1530,9 @@ int MWindow::paste_automation()
                edl->tracks->clear_automation(start, end);
                edl->tracks->paste_automation(start, &file, 0, 1,
                        edl->session->typeless_keyframes);
-               int changed_edl = speed_after(1);
+               int changed_edl = speed_after(1, 0);
                save_backup();
-               undo->update_undo_after(_("paste keyframes"),
+               undo_after(_("paste keyframes"),
                        !changed_edl ? LOAD_AUTOMATION :
                                LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
                update_gui(changed_edl);
@@ -1400,7 +1546,7 @@ int MWindow::paste_default_keyframe()
        int64_t len = gui->clipboard_len(BC_PRIMARY_SELECTION);
 
        if( len ) {
-               undo->update_undo_before();
+               undo_before();
                speed_before();
                char *string = new char[len];
                gui->from_clipboard(string, len, BC_PRIMARY_SELECTION);
@@ -1411,8 +1557,8 @@ int MWindow::paste_default_keyframe()
                edl->tracks->paste_automation(start, &file, 1, 0,
                        edl->session->typeless_keyframes);
 //             edl->tracks->paste_default_keyframe(&file);
-               int changed_edl = speed_after(1);
-               undo->update_undo_after(_("paste default keyframe"),
+               int changed_edl = speed_after(1, 1);
+               undo_after(_("paste default keyframe"),
                        !changed_edl ? LOAD_AUTOMATION :
                                LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
                save_backup();
@@ -1444,7 +1590,7 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
 // Delete current project
        if( load_mode == LOADMODE_REPLACE ||
            load_mode == LOADMODE_REPLACE_CONCATENATE ) {
-               reset_caches();
+               reset_caches(1);
                edl->save_defaults(defaults);
                hide_plugins();
                edl->Garbage::remove_user();
@@ -1477,6 +1623,7 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                need_new_tracks = 1;
                for( int i=0; i<new_edls->total; ++i ) {
                        EDL *new_edl = new_edls->values[i];
+                       int first_track = 1;
                        for( Track *current=new_edl->tracks->first; current; current=NEXT ) {
                                switch( current->data_type ) {
                                case TRACK_VIDEO:
@@ -1492,6 +1639,13 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                                default:
                                        continue;
                                }
+                               if( first_track ) {
+                                       edl->tracks->last->master = 1;
+                                       first_track = 0;
+                               }
+// re-label only if not already labeled
+                               if( new_edl->local_session->asset2edl )
+                                       strcpy(current->title, edl->tracks->last->title);
                                destination_tracks.append(edl->tracks->last);
                        }
 
@@ -1503,26 +1657,14 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
        else
 // Recycle existing tracks of master EDL
        if( load_mode == LOADMODE_CONCATENATE ||
-           load_mode == LOADMODE_PASTE ||
-           load_mode == LOADMODE_NESTED ) {
-//PRINT_TRACE
-
-// The point of this is to shift forward labels after the selection so they can
-// then be shifted back to their original locations without recursively
-// shifting back every paste.
-               if( (load_mode == LOADMODE_PASTE || load_mode == LOADMODE_NESTED) &&
-                   edl->session->labels_follow_edits )
-                       edl->labels->clear(edl->local_session->get_selectionstart(),
-                                          edl->local_session->get_selectionend(), 1);
-
+           load_mode == LOADMODE_PASTE ) {
                Track *current = first_track ? first_track : edl->tracks->first;
                for( ; current; current=NEXT ) {
-                       if( current->record ) {
+                       if( current->is_armed() ) {
                                destination_tracks.append(current);
                        }
                }
 //PRINT_TRACE
-
        }
 //PRINT_TRACE
        int destination_track = 0;
@@ -1552,17 +1694,22 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
 // Add assets and prepare index files
                for( Asset *new_asset=new_edl->assets->first;
                     new_asset; new_asset=new_asset->next ) {
-                       mainindexes->add_next_asset(0, new_asset);
+                       mainindexes->add_indexable(new_asset);
                }
 // Capture index file status from mainindex test
                edl->update_assets(new_edl);
 //PRINT_TRACE
 // Get starting point of insertion.  Need this to paste labels.
                switch( load_mode ) {
+               case LOADMODE_NOTHING:
+                       continue;
                case LOADMODE_REPLACE:
-               case LOADMODE_NEW_TRACKS:
                        current_position = 0;
                        break;
+               case LOADMODE_NEW_TRACKS:
+                       if( !overwrite )
+                               current_position = 0;
+                       break;
 
                case LOADMODE_CONCATENATE:
                case LOADMODE_REPLACE_CONCATENATE:
@@ -1574,7 +1721,6 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                        break;
 
                case LOADMODE_PASTE:
-               case LOADMODE_NESTED:
                        destination_track = 0;
                        if( i == 0 ) {
                                for( int j=0; j<destination_tracks.total; ++j ) {
@@ -1589,24 +1735,19 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                        edl->add_clip(new_edl);
                        break;
                }
-//PRINT_TRACE
 // Insert edl
                if( load_mode != LOADMODE_RESOURCESONLY &&
                    load_mode != LOADMODE_ASSETSONLY ) {
 // Insert labels
-//printf("MWindow::paste_edls %f %f\n", current_position, edl_length);
-                       if( load_mode == LOADMODE_PASTE ||
-                           load_mode == LOADMODE_NESTED )
-                               edl->labels->insert_labels(new_edl->labels,
-                                       destination_tracks.total ? paste_position[0] : 0.0,
-                                       edl_length,
-                                       edit_labels);
-                       else
-                               edl->labels->insert_labels(new_edl->labels,
-                                       current_position,
-                                       edl_length,
-                                       edit_labels);
-//PRINT_TRACE
+                       if( edit_labels ) {
+                               if( load_mode == LOADMODE_PASTE )
+                                       edl->labels->insert_labels(new_edl->labels,
+                                               destination_tracks.total ? paste_position[0] : 0.0,
+                                               edl_length, 1);
+                               else
+                                       edl->labels->insert_labels(new_edl->labels, current_position,
+                                               edl_length, 1);
+                       }
                        double total_length = new_edl->tracks->total_length();
                        for( Track *new_track=new_edl->tracks->first;
                             new_track; new_track=new_track->next ) {
@@ -1623,14 +1764,14 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                                if( destination_track < destination_tracks.total &&
                                    destination_tracks.values[destination_track]->data_type == new_track->data_type ) {
                                        Track *track = destination_tracks.values[destination_track];
-
 // Replace default keyframes if first EDL and new tracks were created.
 // This means data copied from one track and pasted to another won't retain
 // the camera position unless it's a keyframe.  If it did, previous data in the
 // track might get unknowingly corrupted.  Ideally we would detect when differing
 // default keyframes existed and create discrete keyframes for both.
                                        int replace_default = (i == 0) && need_new_tracks;
-
+// master tracks are the first track in each new edl when new tracks are created
+                                       int master = track->master;
 //printf("MWindow::paste_edls 1 %d\n", replace_default);
 // Insert new track at current position
                                        switch( load_mode ) {
@@ -1640,7 +1781,6 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                                                break;
 
                                        case LOADMODE_PASTE:
-                                       case LOADMODE_NESTED:
                                                current_position = paste_position[destination_track];
                                                paste_position[destination_track] += new_track->get_length();
                                                break;
@@ -1652,12 +1792,12 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                                                        current_position + length,
                                                        1, // edit edits
                                                        edit_labels, edit_plugins, edit_autos,
-                                                       1, // convert units
                                                        0); // trim edits
                                        }
 //PRINT_TRACE
                                        track->insert_track(new_track, current_position, replace_default,
                                                edit_plugins, edit_autos, edl_length);
+                                       if( master ) track->master = 1;
 //PRINT_TRACE
                                }
 
@@ -1668,8 +1808,7 @@ int MWindow::paste_edls(ArrayList<EDL*> *new_edls, int load_mode,
                        }
                }
 
-               if( load_mode == LOADMODE_PASTE ||
-                   load_mode == LOADMODE_NESTED )
+               if( load_mode == LOADMODE_PASTE )
                        current_position += edl_length;
        }
 
@@ -1731,14 +1870,15 @@ void MWindow::paste_silence()
                if( edl->session->frame_rate > 0 )
                        end += 1./edl->session->frame_rate;
        }
-       undo->update_undo_before(_("silence"), this);
+       undo_before(_("silence"), this);
        edl->paste_silence(start, end,
                edl->session->labels_follow_edits,
                edl->session->plugins_follow_edits,
                edl->session->autos_follow_edits);
        edl->optimize();
        save_backup();
-       undo->update_undo_after(_("silence"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("silence"),
+                       LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
 
        update_plugin_guis();
        restart_brender();
@@ -1749,12 +1889,12 @@ void MWindow::paste_silence()
 
 void MWindow::detach_transition(Transition *transition)
 {
-       undo->update_undo_before();
+       undo_before();
        hide_plugin(transition, 1);
        int is_video = (transition->edit->track->data_type == TRACK_VIDEO);
        transition->edit->detach_transition();
        save_backup();
-       undo->update_undo_after(_("detach transition"), LOAD_ALL);
+       undo_after(_("detach transition"), LOAD_ALL);
 
        if( is_video ) restart_brender();
        gui->update(0, NORMAL_DRAW, 0, 0, 0, 0, 0);
@@ -1765,13 +1905,13 @@ void MWindow::detach_transitions()
 {
        gui->lock_window("MWindow::detach_transitions 1");
 
-       undo->update_undo_before();
+       undo_before();
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
        edl->tracks->clear_transitions(start, end);
 
        save_backup();
-       undo->update_undo_after(_("detach transitions"), LOAD_EDITS);
+       undo_after(_("detach transitions"), LOAD_EDITS);
 
        sync_parameters(CHANGE_EDL);
        gui->update(0, NORMAL_DRAW, 0, 0, 0, 0, 0);
@@ -1783,10 +1923,10 @@ void MWindow::paste_transition()
 // Only the first transition gets dropped.
        PluginServer *server = session->drag_pluginservers->values[0];
 
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->paste_transition(server, session->edit_highlighted);
        save_backup();
-       undo->update_undo_after(_("transition"), LOAD_EDITS);
+       undo_after(_("transition"), LOAD_EDITS);
 
        if( server->video ) restart_brender();
        sync_parameters(CHANGE_ALL);
@@ -1796,12 +1936,12 @@ void MWindow::paste_transitions(int track_type, char *title)
 {
        gui->lock_window("MWindow::detach_transitions 1");
 
-       undo->update_undo_before();
+       undo_before();
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
        edl->tracks->paste_transitions(start, end, track_type, title);
        save_backup();
-       undo->update_undo_after(_("attach transitions"), LOAD_EDITS);
+       undo_after(_("attach transitions"), LOAD_EDITS);
 
        sync_parameters(CHANGE_EDL);
        gui->update(0, NORMAL_DRAW, 0, 0, 0, 0, 0);
@@ -1811,10 +1951,10 @@ void MWindow::paste_transitions(int track_type, char *title)
 void MWindow::paste_transition_cwindow(Track *dest_track)
 {
        PluginServer *server = session->drag_pluginservers->values[0];
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->paste_video_transition(server, 1);
        save_backup();
-       undo->update_undo_after(_("transition"), LOAD_EDITS);
+       undo_after(_("transition"), LOAD_EDITS);
        restart_brender();
        gui->update(0, NORMAL_DRAW, 0, 0, 0, 0, 0);
        sync_parameters(CHANGE_ALL);
@@ -1831,10 +1971,10 @@ void MWindow::paste_audio_transition()
                return;
        }
 
-       undo->update_undo_before();
+       undo_before();
        edl->tracks->paste_audio_transition(server);
        save_backup();
-       undo->update_undo_after(_("transition"), LOAD_EDITS);
+       undo_after(_("transition"), LOAD_EDITS);
 
        sync_parameters(CHANGE_EDL);
        gui->update(0, NORMAL_DRAW, 0, 0, 0, 0, 0);
@@ -1851,11 +1991,11 @@ void MWindow::paste_video_transition()
                return;
        }
 
-       undo->update_undo_before();
+       undo_before();
 
        edl->tracks->paste_video_transition(server);
        save_backup();
-       undo->update_undo_after(_("transition"), LOAD_EDITS);
+       undo_after(_("transition"), LOAD_EDITS);
 
        sync_parameters(CHANGE_EDL);
        restart_brender();
@@ -1866,14 +2006,14 @@ void MWindow::shuffle_edits()
 {
        gui->lock_window("MWindow::shuffle_edits 1");
 
-       undo->update_undo_before();
+       undo_before();
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
 
        edl->tracks->shuffle_edits(start, end);
 
        save_backup();
-       undo->update_undo_after(_("shuffle edits"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("shuffle edits"), LOAD_EDITS | LOAD_TIMEBAR);
 
        sync_parameters(CHANGE_EDL);
        restart_brender();
@@ -1885,14 +2025,14 @@ void MWindow::reverse_edits()
 {
        gui->lock_window("MWindow::reverse_edits 1");
 
-       undo->update_undo_before();
+       undo_before();
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
 
        edl->tracks->reverse_edits(start, end);
 
        save_backup();
-       undo->update_undo_after(_("reverse edits"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("reverse edits"), LOAD_EDITS | LOAD_TIMEBAR);
 
        sync_parameters(CHANGE_EDL);
        restart_brender();
@@ -1904,14 +2044,14 @@ void MWindow::align_edits()
 {
        gui->lock_window("MWindow::align_edits 1");
 
-       undo->update_undo_before();
+       undo_before();
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
 
        edl->tracks->align_edits(start, end);
 
        save_backup();
-       undo->update_undo_after(_("align edits"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("align edits"), LOAD_EDITS | LOAD_TIMEBAR);
 
        sync_parameters(CHANGE_EDL);
        restart_brender();
@@ -1923,14 +2063,14 @@ void MWindow::set_edit_length(double length)
 {
        gui->lock_window("MWindow::set_edit_length 1");
 
-       undo->update_undo_before();
+       undo_before();
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
 
        edl->tracks->set_edit_length(start, end, length);
 
        save_backup();
-       undo->update_undo_after(_("edit length"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("edit length"), LOAD_EDITS | LOAD_TIMEBAR);
 
        sync_parameters(CHANGE_EDL);
        restart_brender();
@@ -1943,14 +2083,14 @@ void MWindow::set_transition_length(Transition *transition, double length)
 {
        gui->lock_window("MWindow::set_transition_length 1");
 
-       undo->update_undo_before();
+       undo_before();
        //double start = edl->local_session->get_selectionstart();
        //double end = edl->local_session->get_selectionend();
 
        edl->tracks->set_transition_length(transition, length);
 
        save_backup();
-       undo->update_undo_after(_("transition length"), LOAD_EDITS);
+       undo_after(_("transition length"), LOAD_EDITS);
 
        edl->session->default_transition_length = length;
        sync_parameters(CHANGE_PARAMS);
@@ -1962,14 +2102,14 @@ void MWindow::set_transition_length(double length)
 {
        gui->lock_window("MWindow::set_transition_length 2");
 
-       undo->update_undo_before();
+       undo_before();
        double start = edl->local_session->get_selectionstart();
        double end = edl->local_session->get_selectionend();
 
        edl->tracks->set_transition_length(start, end, length);
 
        save_backup();
-       undo->update_undo_after(_("transition length"), LOAD_EDITS);
+       undo_after(_("transition length"), LOAD_EDITS);
 
        edl->session->default_transition_length = length;
        sync_parameters(CHANGE_PARAMS);
@@ -2006,8 +2146,8 @@ void MWindow::redo_entry(BC_WindowBase *calling_window_gui)
        gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 1);
        gui->update_proxy_toggle();
        gui->unlock_window();
-       cwindow->update(1, 1, 1, 1, 1);
        cwindow->gui->unlock_window();
+       cwindow->update(1, 1, 1, 1, 1);
 
        for( int i=0; i < vwindows.size(); ++i ) {
                if( vwindows.get(i)->is_running() ) {
@@ -2026,14 +2166,14 @@ void MWindow::redo_entry(BC_WindowBase *calling_window_gui)
 
 void MWindow::resize_track(Track *track, int w, int h)
 {
-       undo->update_undo_before();
+       undo_before();
 // We have to move all maskpoints so they do not move in relation to image areas
        ((MaskAutos*)track->automation->autos[AUTOMATION_MASK])->translate_masks(
                (w - track->track_w) / 2,
                (h - track->track_h) / 2);
        track->track_w = w;
        track->track_h = h;
-       undo->update_undo_after(_("resize track"), LOAD_ALL);
+       undo_after(_("resize track"), LOAD_ALL);
        save_backup();
 
        restart_brender();
@@ -2041,76 +2181,43 @@ void MWindow::resize_track(Track *track, int w, int h)
 }
 
 
-void MWindow::set_inpoint(int is_mwindow)
+void MWindow::set_inpoint()
 {
-       undo->update_undo_before();
+       undo_before();
        edl->set_inpoint(edl->local_session->get_selectionstart(1));
        save_backup();
-       undo->update_undo_after(_("in point"), LOAD_TIMEBAR);
-
-       if( !is_mwindow ) {
-               gui->lock_window("MWindow::set_inpoint 1");
-       }
+       undo_after(_("in point"), LOAD_TIMEBAR);
        gui->update_timebar(1);
-       if( !is_mwindow ) {
-               gui->unlock_window();
-       }
 
-       if( is_mwindow ) {
-               cwindow->gui->lock_window("MWindow::set_inpoint 2");
-       }
+       cwindow->gui->lock_window("MWindow::set_inpoint 2");
        cwindow->gui->timebar->update(1);
-       if( is_mwindow ) {
-               cwindow->gui->unlock_window();
-       }
+       cwindow->gui->unlock_window();
 }
 
-void MWindow::set_outpoint(int is_mwindow)
+void MWindow::set_outpoint()
 {
-       undo->update_undo_before();
+       undo_before();
        edl->set_outpoint(edl->local_session->get_selectionend(1));
        save_backup();
-       undo->update_undo_after(_("out point"), LOAD_TIMEBAR);
+       undo_after(_("out point"), LOAD_TIMEBAR);
 
-       if( !is_mwindow ) {
-               gui->lock_window("MWindow::set_outpoint 1");
-       }
        gui->update_timebar(1);
-       if( !is_mwindow ) {
-               gui->unlock_window();
-       }
-
-       if( is_mwindow ) {
-               cwindow->gui->lock_window("MWindow::set_outpoint 2");
-       }
+       cwindow->gui->lock_window("MWindow::set_outpoint 2");
        cwindow->gui->timebar->update(1);
-       if( is_mwindow ) {
-               cwindow->gui->unlock_window();
-       }
+       cwindow->gui->unlock_window();
 }
 
-void MWindow::unset_inoutpoint(int is_mwindow)
+void MWindow::unset_inoutpoint()
 {
-       undo->update_undo_before();
+       undo_before();
        edl->unset_inoutpoint();
        save_backup();
-       undo->update_undo_after(_("clear in/out"), LOAD_TIMEBAR);
+       undo_after(_("clear in/out"), LOAD_TIMEBAR);
 
-       if( !is_mwindow ) {
-               gui->lock_window("MWindow::unset_inoutpoint 1");
-       }
        gui->update_timebar(1);
-       if( !is_mwindow ) {
-               gui->unlock_window();
-       }
-
-       if( is_mwindow ) {
-               cwindow->gui->lock_window("MWindow::unset_inoutpoint 2");
-       }
+       cwindow->gui->lock_window("MWindow::unset_inoutpoint 2");
        cwindow->gui->timebar->update(1);
-       if( is_mwindow ) {
-               cwindow->gui->unlock_window();
-       }
+       cwindow->gui->unlock_window();
 }
 
 void MWindow::splice(EDL *source, int all)
@@ -2118,7 +2225,7 @@ void MWindow::splice(EDL *source, int all)
        FileXML file;
        LocalSession *src = source->local_session;
 
-       undo->update_undo_before();
+       undo_before();
        double source_start = all ? 0 :
                src->inpoint_valid() ? src->get_inpoint() :
                src->outpoint_valid() ? 0 : src->get_selectionstart();
@@ -2126,7 +2233,7 @@ void MWindow::splice(EDL *source, int all)
                src->outpoint_valid() ? src->get_outpoint() :
                src->inpoint_valid() ? source->tracks->total_length() :
                        src->get_selectionend();
-       source->copy(source_start, source_end, 1, &file, "", 1);
+       source->copy(COPY_EDL, source_start, source_end, &file, "", 1);
 //file.dump();
        double start = edl->local_session->get_selectionstart();
        //double end = edl->local_session->get_selectionend();
@@ -2142,7 +2249,8 @@ void MWindow::splice(EDL *source, int all)
        edl->local_session->set_selectionend(start + source_end - source_start);
 
        save_backup();
-       undo->update_undo_after(_("splice"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("splice"),
+                       LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        update_plugin_guis();
        restart_brender();
        gui->update(1, NORMAL_DRAW, 1, 1, 0, 1, 0);
@@ -2165,7 +2273,7 @@ void MWindow::save_clip(EDL *new_edl, const char *txt)
        Track *track = new_edl->tracks->first;
        const char *path = edl->path;
        for( ; (!path || !*path) && track; track=track->next ) {
-               if( !track->record ) continue;
+               if( !track->is_armed() ) continue;
                Edit *edit = track->edits->first;
                if( !edit ) continue;
                Indexable *indexable = edit->get_source();
@@ -2176,28 +2284,24 @@ void MWindow::save_clip(EDL *new_edl, const char *txt)
         time_t now;  time(&now);
         struct tm dtm;   localtime_r(&now, &dtm);
        char *cp = new_edl->local_session->clip_notes;
-       int n, sz = sizeof(new_edl->local_session->clip_notes)-1;
-       if( txt && *txt ) {
-               n = snprintf(cp, sz, "%s", txt);
-               cp += n;  sz -= n;
-       }
-       n = snprintf(cp, sz,
+       char *ep = cp + sizeof(new_edl->local_session->clip_notes)-1;
+       if( txt && *txt )
+               cp += snprintf(cp, ep-cp, "%s", txt);
+       cp += snprintf(cp, ep-cp,
                "%02d/%02d/%02d %02d:%02d:%02d,  +%s\n",
                dtm.tm_year+1900, dtm.tm_mon+1, dtm.tm_mday,
                dtm.tm_hour, dtm.tm_min, dtm.tm_sec, duration);
-       cp += n;  sz -= n;
        if( path && *path ) {
                FileSystem fs;
                char title[BCTEXTLEN];
                fs.extract_name(title, path);
-               n = snprintf(cp, sz, "%s", title);
-               cp += n;  sz -= n;
+               cp += snprintf(cp, ep-cp, "%s", title);
        }
-       cp[n] = 0;
        sprintf(new_edl->local_session->clip_icon,
-               "clip_%02d%02d%02d-%02d%02d%02d.png",
+               "clip_%02d%02d%02d-%02d%02d%02d-%d.png",
                dtm.tm_year+1900, dtm.tm_mon+1, dtm.tm_mday,
-               dtm.tm_hour, dtm.tm_min, dtm.tm_sec);
+               dtm.tm_hour, dtm.tm_min, dtm.tm_sec,
+               new_edl->id);
        new_edl->folder_no = AW_CLIP_FOLDER;
        edl->update_assets(new_edl);
        int cur_x, cur_y;
@@ -2230,7 +2334,7 @@ void MWindow::to_clip(EDL *edl, const char *txt, int all)
        }
 
 // Don't copy all since we don't want the clips twice.
-       edl->copy(start, end, 0, &file, "", 1);
+       edl->copy(copy_flags(), start, end, &file, "", 1);
 
        EDL *new_edl = new EDL(edl);
        new_edl->create_objects();
@@ -2239,55 +2343,35 @@ void MWindow::to_clip(EDL *edl, const char *txt, int all)
        gui->unlock_window();
 }
 
-int MWindow::toggle_label(int is_mwindow)
+int MWindow::toggle_label()
 {
        double position1, position2;
-       undo->update_undo_before();
-
-       if( cwindow->playback_engine->is_playing_back ) {
-               position1 = position2 =
-                       cwindow->playback_engine->get_tracking_position();
-       }
-       else {
-               position1 = edl->local_session->get_selectionstart(1);
-               position2 = edl->local_session->get_selectionend(1);
-       }
+       undo_before();
 
+       position1 = edl->local_session->get_selectionstart(1);
+       position2 = edl->local_session->get_selectionend(1);
        position1 = edl->align_to_frame(position1, 0);
        position2 = edl->align_to_frame(position2, 0);
 
-//printf("MWindow::toggle_label 1\n");
-
        edl->labels->toggle_label(position1, position2);
        save_backup();
 
-       if( !is_mwindow ) {
-               gui->lock_window("MWindow::toggle_label 1");
-       }
        gui->update_timebar(0);
        gui->activate_timeline();
        gui->flush();
-       if( !is_mwindow ) {
-               gui->unlock_window();
-       }
 
-       if( is_mwindow ) {
-               cwindow->gui->lock_window("MWindow::toggle_label 2");
-       }
+       cwindow->gui->lock_window("MWindow::toggle_label 2");
        cwindow->gui->timebar->update(1);
-       if( is_mwindow ) {
-               cwindow->gui->unlock_window();
-       }
-
+       cwindow->gui->unlock_window();
        awindow->gui->async_update_assets();
 
-       undo->update_undo_after(_("label"), LOAD_TIMEBAR);
+       undo_after(_("label"), LOAD_TIMEBAR);
        return 0;
 }
 
 void MWindow::trim_selection()
 {
-       undo->update_undo_before();
+       undo_before();
 
 
        edl->trim_selection(edl->local_session->get_selectionstart(),
@@ -2297,7 +2381,8 @@ void MWindow::trim_selection()
                edl->session->autos_follow_edits);
 
        save_backup();
-       undo->update_undo_after(_("trim selection"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("trim selection"),
+                       LOAD_AUTOMATION + LOAD_EDITS + LOAD_TIMEBAR);
        update_plugin_guis();
        gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 0);
        cwindow->update(1, 0, 0, 0, 1);
@@ -2334,8 +2419,8 @@ void MWindow::undo_entry(BC_WindowBase *calling_window_gui)
        gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 1);
        gui->update_proxy_toggle();
        gui->unlock_window();
-       cwindow->update(1, 1, 1, 1, 1);
        cwindow->gui->unlock_window();
+       cwindow->update(1, 1, 1, 1, 1);
 
        for( int i=0; i<vwindows.size(); ++i ) {
                if( vwindows.get(i)->is_running() ) {
@@ -2354,21 +2439,21 @@ void MWindow::undo_entry(BC_WindowBase *calling_window_gui)
 
 void MWindow::new_folder(const char *new_folder, int is_clips)
 {
-       undo->update_undo_before();
+       undo_before();
        if( edl->new_folder(new_folder, is_clips) ) {
                MainError::show_error(_("create new folder failed"));
        }
-       undo->update_undo_after(_("new folder"), LOAD_ALL);
+       undo_after(_("new folder"), LOAD_ALL);
        awindow->gui->async_update_assets();
 }
 
 void MWindow::delete_folder(char *folder)
 {
-       undo->update_undo_before();
+       undo_before();
        if( edl->delete_folder(folder) < 0 ) {
                MainError::show_error(_("delete folder failed"));
        }
-       undo->update_undo_after(_("del folder"), LOAD_ALL);
+       undo_after(_("del folder"), LOAD_ALL);
        awindow->gui->async_update_assets();
 }
 
@@ -2401,9 +2486,9 @@ void MWindow::select_point(double position)
 
 void MWindow::map_audio(int pattern)
 {
-       undo->update_undo_before();
+       undo_before();
        remap_audio(pattern);
-       undo->update_undo_after(
+       undo_after(
                pattern == MWindow::AUDIO_1_TO_1 ? _("map 1:1") : _("map 5.1:2"),
                LOAD_AUTOMATION);
        sync_parameters(CHANGE_PARAMS);
@@ -2416,7 +2501,7 @@ void MWindow::remap_audio(int pattern)
        int current_track = 0;
        for( Track *current=edl->tracks->first; current; current=NEXT ) {
                if( current->data_type == TRACK_AUDIO &&
-                       current->record ) {
+                       current->is_armed() ) {
                        Autos *pan_autos = current->automation->autos[AUTOMATION_PAN];
                        PanAuto *pan_auto = (PanAuto*)pan_autos->get_auto_for_editing(-1);
 
@@ -2464,20 +2549,58 @@ void MWindow::rescale_proxy(EDL *clip, int orig_scale, int new_scale)
        edl->rescale_proxy(orig_scale, new_scale);
 }
 
-void MWindow::add_proxy(int use_scaler,
-       ArrayList<Indexable*> *orig_assets, ArrayList<Indexable*> *proxy_assets)
+void MWindow::add_proxy(ArrayList<Indexable*> *orig_assets, ArrayList<Indexable*> *proxy_assets)
 {
-       edl->add_proxy(use_scaler, orig_assets, proxy_assets);
+       edl->add_proxy(orig_assets, proxy_assets);
+}
+
+void MWindow::start_convert(Asset *format_asset, const char *suffix,
+               float beep, int to_proxy, int remove_originals)
+{
+       if( !convert_render )
+               convert_render = new ConvertRender(this);
+       convert_render->set_format(format_asset, suffix, to_proxy);
+       int found = convert_render->find_convertable_assets(edl);
+       if( convert_render->needed_idxbls.size() > 0 )
+               convert_render->start_convert(beep, remove_originals);
+       else if( found > 0 )
+               finish_convert(remove_originals);
+       else if( found < 0 )
+               eprintf(_("convert assets format error"));
+       else
+               eprintf(_("No convertable assets found"));
+}
+
+void MWindow::finish_convert(int remove_originals)
+{
+       gui->lock_window("MWindow::finish_convert");
+       undo_before();
+       edl->replace_assets(
+               convert_render->orig_idxbls,
+               convert_render->orig_copies);
+       if( remove_originals ) {
+               remove_assets_from_project(0, 0, 0,
+                       &convert_render->orig_idxbls, 0);
+       }
+       save_backup();
+       undo_after(_("convert"), LOAD_ALL);
+
+       update_plugin_guis();
+       gui->update(1, FORCE_REDRAW, 1, 1, 1, 1, 0);
+       cwindow->update(1, 0, 0, 0, 1);
+       awindow->gui->async_update_assets();
+       cwindow->refresh_frame(CHANGE_EDL);
+       gui->unlock_window();
 }
 
 void MWindow::cut_commercials()
 {
 #ifdef HAVE_COMMERCIAL
-       undo->update_undo_before();
+       undo_before();
        commercials->scan_media();
        edl->optimize();
        save_backup();
-       undo->update_undo_after(_("cut ads"), LOAD_EDITS | LOAD_TIMEBAR);
+       undo_after(_("cut ads"), LOAD_EDITS | LOAD_TIMEBAR);
 
        restart_brender();
        update_plugin_guis();
@@ -2487,9 +2610,13 @@ void MWindow::cut_commercials()
 #endif
 }
 
-int MWindow::normalize_speed(EDL *old_edl, EDL *new_edl)
+int MWindow::normalize_speed(EDL *old_edl, EDL *new_edl, int edit_speed)
 {
-       int result = 0;
+       int edit_plugins = edl->session->plugins_follow_edits;
+       int edit_autos = edl->session->autos_follow_edits;
+       int edit_labels = edl->session->labels_follow_edits;
+       if( !edit_autos ) edit_speed = 0;
+       int result = 0, first_track = 1;
        Track *old_track = old_edl->tracks->first;
        Track *new_track = new_edl->tracks->first;
        for( ; old_track && new_track; old_track=old_track->next, new_track=new_track->next ) {
@@ -2503,20 +2630,107 @@ int MWindow::normalize_speed(EDL *old_edl, EDL *new_edl)
                        old_speed = (FloatAuto *)old_speed->next;
                        new_speed = (FloatAuto *)new_speed->next;
                }
-               Edit *old_edit = old_track->edits->first;
-               Edit *new_edit = new_track->edits->first;
-               for( ; old_edit && new_edit; old_edit=old_edit->next, new_edit=new_edit->next ) {
-                       int64_t edit_start = old_edit->startproject, edit_end = edit_start + old_edit->length;
-                       if( old_speed || new_speed ) {
-                               double orig_start = old_speeds->automation_integral(0, edit_start, PLAY_FORWARD);
-                               double orig_end   = old_speeds->automation_integral(0, edit_end, PLAY_FORWARD);
-                               edit_start = new_speeds->speed_position(orig_start);
-                               edit_end = new_speeds->speed_position(orig_end);
-                               result = 1;
+               if( !old_speed && !new_speed ) continue;
+               result = 1;
+               if( edit_speed ) {
+                       Autos *old_autos = old_track->automation->autos[AUTOMATION_SPEED];
+                       Autos *new_autos = new_track->automation->autos[AUTOMATION_SPEED];
+                       Auto *old_auto = old_autos ? old_autos->first : 0;
+                       for( ; old_auto; old_auto=old_auto->next ) {
+                               Auto *new_auto = new_autos->get_auto(old_auto->orig_id);
+                               if( !new_auto ) continue;
+                               int64_t auto_pos = old_auto->position;
+                               double orig_pos = old_speeds->automation_integral(0, auto_pos, PLAY_FORWARD);
+                               auto_pos = new_track->frame_align(new_speeds->speed_position(orig_pos), 1);
+                               new_auto->position = auto_pos;
                        }
+               }
+               Edit *old_edit = old_track->edits->first;
+               for( ; old_edit; old_edit=old_edit->next ) {
+                       Edit *new_edit = new_track->edits->get_edit(old_edit->orig_id);
+                       if( !new_edit ) continue;
+                       int64_t edit_start = old_edit->startproject;
+                       int64_t edit_end = edit_start + old_edit->length;
+                       double orig_start = old_speeds->automation_integral(0, edit_start, PLAY_FORWARD);
+                       double orig_end   = old_speeds->automation_integral(0, edit_end, PLAY_FORWARD);
+                       edit_start = new_track->frame_align(new_speeds->speed_position(orig_start), 1);
+                       edit_end = new_track->frame_align(new_speeds->speed_position(orig_end), 1);
                        new_edit->startproject = edit_start;
                        new_edit->length = edit_end - edit_start;
                }
+               if( first_track && old_track->is_armed() ) {
+                       Labels *old_labels = old_edl->labels;
+                       Labels *new_labels = new_edl->labels;
+                       if( edit_labels && old_labels && new_labels ) {
+                               Label *old_label = old_labels->first;
+                               for( ; old_label; old_label=old_label->next ) {
+                                       Label *new_label = new_labels->get_label(old_label->orig_id);
+                                       if( !new_label ) continue;
+                                       int64_t label_pos = old_track->to_units(old_label->position, 1);
+                                       double orig_pos = old_speeds->automation_integral(0, label_pos, PLAY_FORWARD);
+                                       label_pos = new_track->frame_align(new_speeds->speed_position(orig_pos), 1);
+                                       new_label->position = new_track->from_units(label_pos);
+                               }
+                       }
+                       first_track = 0;
+               }
+               if( edit_plugins ) {
+                       int old_size = old_track->plugin_set.size();
+                       int new_size = new_track->plugin_set.size();
+                       int n = bmin(old_size, new_size);
+                       for( int i=0; i<n; ++i ) {
+                               PluginSet *old_plugin_set = old_track->plugin_set[i];
+                               if( !old_plugin_set ) continue;
+                               PluginSet *new_plugin_set = new_track->plugin_set[i];
+                               if( !new_plugin_set ) continue;
+                               Plugin *old_plugin = (Plugin *)old_plugin_set->first;
+                               for( ; old_plugin; old_plugin=(Plugin *)old_plugin->next ) {
+                                       Plugin *new_plugin = (Plugin *)new_plugin_set->get_edit(old_plugin->orig_id);
+                                       if( !new_plugin ) continue;
+                                       int64_t plugin_start = old_plugin->startproject;
+                                       int64_t plugin_end = plugin_start + old_plugin->length;
+                                       double orig_start = old_speeds->automation_integral(0, plugin_start, PLAY_FORWARD);
+                                       double orig_end   = old_speeds->automation_integral(0, plugin_end, PLAY_FORWARD);
+                                       plugin_start = new_track->frame_align(new_speeds->speed_position(orig_start), 1);
+                                       plugin_end = new_track->frame_align(new_speeds->speed_position(orig_end), 1);
+                                       new_plugin->startproject = plugin_start;
+                                       new_plugin->length = plugin_end - plugin_start;
+                                       if( edit_autos ) {
+                                               KeyFrames *old_keyframes = old_plugin->keyframes;
+                                               if( !old_keyframes ) continue;
+                                               KeyFrames *new_keyframes = new_plugin->keyframes;
+                                               if( !new_keyframes ) continue;
+                                               Auto *old_auto = old_keyframes->first;
+                                               for( ; old_auto; old_auto=old_auto->next ) {
+                                                       Auto *new_auto = new_keyframes->get_auto(old_auto->orig_id);
+                                                       if( !new_auto ) continue;
+                                                       int64_t auto_pos = old_auto->position;
+                                                       double orig_pos = old_speeds->automation_integral(0, auto_pos, PLAY_FORWARD);
+                                                       auto_pos = new_track->frame_align(new_speeds->speed_position(orig_pos), 1);
+                                                       new_auto->position = auto_pos;
+                                                       old_auto = old_auto->next;
+                                               }
+                                       }
+                               }
+                       }
+               }
+               if( edit_autos ) { // speed must be last
+                       for( int i=0; i<AUTOMATION_SPEED; ++i ) {
+                               Autos *old_autos = old_track->automation->autos[i];
+                               if( !old_autos ) continue;
+                               Autos *new_autos = new_track->automation->autos[i];
+                               if( !new_autos ) continue;
+                               Auto *old_auto = old_autos->first;
+                               for( ; old_auto; old_auto=old_auto->next ) {
+                                       Auto *new_auto = new_autos->get_auto(old_auto->orig_id);
+                                       if( !new_auto ) continue;
+                                       int64_t auto_pos = old_auto->position;
+                                       double orig_pos = old_speeds->automation_integral(0, auto_pos, PLAY_FORWARD);
+                                       auto_pos = new_track->frame_align(new_speeds->speed_position(orig_pos), 1);
+                                       new_auto->position = auto_pos;
+                               }
+                       }
+               }
        }
        return result;
 }
@@ -2530,12 +2744,12 @@ void MWindow::speed_before()
        speed_edl->copy_all(edl);
 }
 
-int MWindow::speed_after(int done)
+int MWindow::speed_after(int done, int edit_speed)
 {
        int result = 0;
        if( speed_edl ) {
                if( done >= 0 )
-                       result = normalize_speed(speed_edl, edl);
+                       result = normalize_speed(speed_edl, edl, edit_speed);
                if( done != 0 ) {
                        speed_edl->remove_user();
                        speed_edl = 0;
@@ -2544,3 +2758,210 @@ int MWindow::speed_after(int done)
        return result;
 }
 
+void MWindow::collect_effects()
+{
+       FileXML file;
+       const char *file_string = "";
+       EDL *group = 0;
+       int ret = edl->collect_effects(group);
+       switch( ret ) {
+       case COLLECT_EFFECTS_RECORD:
+               eprintf(_("Selected edit track not armed."));
+               break;
+       case COLLECT_EFFECTS_MULTIPLE:
+               eprintf(_("More than one edit selected on a track."));
+               break;
+       case COLLECT_EFFECTS_MISSING:
+               eprintf(_("No effects under selected edit."));
+               break;
+       case COLLECT_EFFECTS_EMPTY:
+               eprintf(_("No edits selected."));
+               break;
+       case COLLECT_EFFECTS_MASTER:
+               eprintf(_("Shared effect added without master."));
+               break;
+       case 0:
+               group->save_xml(&file, "");
+               file_string = file.string();
+               group->remove_user();
+       }
+       long file_length = strlen(file_string);
+       gui->to_clipboard(file_string, file_length, BC_PRIMARY_SELECTION);
+       gui->to_clipboard(file_string, file_length, SECONDARY_SELECTION);
+}
+
+void MWindow::paste_effects()
+{
+       char *string = 0;
+       int64_t len = gui->clipboard_len(BC_PRIMARY_SELECTION);
+       if( len ) {
+               string = new char[len];
+               gui->from_clipboard(string, len, BC_PRIMARY_SELECTION);
+       }
+       if( !string || !string[0] ) {
+               eprintf(_("Error clipboard buffer empty."));
+               return;
+       }
+       FileXML file;
+       file.read_from_string(string);
+       EDL *group = new EDL();
+       group->create_objects();
+       if( !group->load_xml(&file, LOAD_ALL) ) {
+               undo_before();
+               int ret = edl->insert_effects(group);
+               switch( ret ) {
+               case INSERT_EFFECTS_RECORD:
+                       eprintf(_("Selected edit track not armed."));
+                       break;
+               case INSERT_EFFECTS_TYPE:
+                       eprintf(_("Track type mismatched."));
+                       break;
+               case INSERT_EFFECTS_MULTIPLE:
+                       eprintf(_("More than one edit selected on a track."));
+                       break;
+               case INSERT_EFFECTS_MISSING:
+                       eprintf(_("Too few target edits to add group effects."));
+                       break;
+               case INSERT_EFFECTS_EXTRA:
+                       eprintf(_("Too many target edits to add group effects."));
+                       break;
+               case INSERT_EFFECTS_MASTER:
+                       eprintf(_("Shared effect added without master."));
+                       break;
+               case 0:
+                       break;
+               }
+               save_backup();
+               undo_after(_("paste effects"), LOAD_ALL);
+               restart_brender();
+               cwindow->refresh_frame(CHANGE_EDL);
+               update_plugin_guis();
+               gui->update(1, NORMAL_DRAW, 1, 0, 0, 0, 0);
+       }
+       else
+               eprintf(_("Error loading clip from clipboard buffer."));
+       delete [] string;
+       group->remove_user();
+}
+
+void MWindow::align_timecodes()
+{
+       undo_before();
+       double offset = edl->tracks->align_timecodes();
+       set_timecode_offset(offset);
+       save_backup();
+       undo_after(_("align timecodes"), LOAD_ALL);
+       restart_brender();
+       cwindow->refresh_frame(CHANGE_EDL);
+       update_plugin_guis();
+}
+
+
+int MWindow::masters_to_mixers()
+{
+       Track *master_track = edl->tracks->first;
+       while( master_track && !master_track->master )
+               master_track = master_track->next;
+       while( master_track ) { // test for track/mixer conflicts
+               int failed = 0;
+               Track *mixer_last = master_track;
+               Track *track = master_track->next;
+               for( ; track && !track->master; track=track->next )
+                       mixer_last = track;
+               Track *next_track = track;
+               if( !master_track->armed ) {
+                       master_track = next_track;
+                       continue;
+               }
+               Mixer *master_mixer = 0;
+               for( int i=0, n=edl->mixers.size(); i<n; ++i ) {
+                       if( master_track->index_in(edl->mixers[i]) >= 0 ) {
+                               master_mixer = edl->mixers[i];
+                               break;
+                       }
+               }
+               if( master_mixer ) { // existing mixer track group
+                       for( track=master_track; !failed && track; track=track->next ) {
+                               if( track->index_in(master_mixer) < 0 ) {
+                                       eprintf("Mixer: %s missing track: %s",
+                                               master_mixer->title, track->title);
+                                       failed = 1;
+                               }
+                               if( track == mixer_last ) break;
+                       }
+                       for( int i=0, n=master_mixer->mixer_ids.size(); !failed && i<n; ++i ) {
+                               int mixer_id = master_mixer->mixer_ids[i], found = 0;
+                               for( track=master_track; track; track=track->next ) {
+                                       if( track->mixer_id == mixer_id ) {
+                                               found = 1;
+                                               break;
+                                       }
+                                       if( track == mixer_last ) break;
+                               }
+                               if( !found ) {
+                                       eprintf("Mixer: %s track missing: %s",
+                                               master_mixer->title, track->title);
+                                       failed = 1;
+                               }
+                       }
+               }
+               else { // create mixer
+                       for( track=master_track->next; !failed && track; track=track->next ) {
+                               for( int i=0, n=edl->mixers.size(); !failed && i<n; ++i ) {
+                                       Mixer *mixer = edl->mixers[i];
+                                       if( track->index_in(mixer) >= 0 ) {
+                                               eprintf("Track: %s already exists in mixer: %s",
+                                                       track->title, mixer->title);
+                                               failed = 1;
+                                               break;
+                                       }
+                               }
+                               if( track == mixer_last ) break;
+                       }
+                       if( !failed ) { // new mixer
+                               ZWindow *zwindow = get_mixer(master_mixer);
+                               zwindow->set_title(master_track->title);
+                               sprintf(master_track->title, _("Mixer %d"), zwindow->idx);
+                               for( track=master_track; track; track=track->next ) {
+                                       track->play = track->armed = 0;
+                                       master_mixer->mixer_ids.append(track->get_mixer_id());
+                                       if( track == mixer_last ) break;
+                               }
+                               zwindow->start();
+                       }
+               }
+               master_track = next_track;
+        }
+       return 0;
+}
+
+void MWindow::mix_masters()
+{
+       undo_before();
+       masters_to_mixers();
+       undo_after(_("mix masters"), LOAD_ALL);
+
+       restart_brender();
+       gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
+       gui->activate_timeline();
+       cwindow->refresh_frame(CHANGE_EDL);
+       save_backup();
+}
+
+void MWindow::create_keyframes(int mask, int mode)
+{
+       undo_before();
+       double start = edl->local_session->get_selectionstart();
+       edl->tracks->create_keyframes(start, mask, mode);
+       double end = edl->local_session->get_selectionend();
+       if( end != start )
+               edl->tracks->create_keyframes(end, mask, mode);
+       undo_after(_("create kyfrms"), LOAD_AUTOMATION);
+
+       restart_brender();
+       gui->update(1, NORMAL_DRAW, 0, 0, 1, 0, 0);
+       gui->activate_timeline();
+       cwindow->refresh_frame(CHANGE_EDL);
+       save_backup();
+}
+