Unify the canvases by moving groups around rather than using set_scrolling_region...
[ardour.git] / gtk2_ardour / editor_audio_import.cc
index 0f05b27449b5f8d59faf1ca7d5505c6fd2a8a3d4..3d75de782c5c2017884d8af5c4c8cf0002287c25 100644 (file)
 
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/time.h>
 #include <errno.h>
 #include <unistd.h>
+#include <algorithm>
 
 #include <sndfile.h>
 
@@ -41,6 +43,7 @@
 #include <ardour/audiofilesource.h>
 #include <ardour/region_factory.h>
 #include <ardour/source_factory.h>
+#include <ardour/session.h>
 #include <pbd/memento_command.h>
 
 #include "ardour_ui.h"
@@ -64,151 +67,416 @@ using Glib::ustring;
 /* Functions supporting the incorporation of external (non-captured) audio material into ardour */
 
 void
-Editor::add_external_audio_action (ImportMode mode)
+Editor::add_external_audio_action (ImportMode mode_hint)
 {
+       if (session == 0) {
+               MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
+               msg.run ();
+               return;
+       }
+       
+       if (sfbrowser == 0) {
+               sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, 0, true, mode_hint);
+       } else {
+               sfbrowser->set_mode (mode_hint);
+       }
+
+       external_audio_dialog ();
 }
 
 void
 Editor::external_audio_dialog ()
 {
        vector<Glib::ustring> paths;
+       uint32_t track_cnt;
 
        if (session == 0) {
-               MessageDialog msg (0, _("You can't import or embed an audiofile until you have a session loaded."));
+               MessageDialog msg (_("You can't import or embed an audiofile until you have a session loaded."));
                msg.run ();
                return;
        }
+       
+       track_cnt = 0;
+
+       for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
+               AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
+               
+               if (!atv) {
+                       continue;
+               } else if (atv->is_audio_track()) {
+                       track_cnt++;
+               }
+       }
+
+       if (sfbrowser == 0) {
+               sfbrowser = new SoundFileOmega (*this, _("Add existing audio"), session, track_cnt, true);
+       } else {
+               sfbrowser->reset (track_cnt);
+       }
 
-       SoundFileBrowser browser (*this, _("Add existing audio"), session, selection->tracks.size());
+       sfbrowser->show_all ();
 
-       browser.show_all ();
 
-       int response = browser.run ();
+       bool keepRunning;
 
-               switch (response) {
-       case RESPONSE_OK:
-               break;
-       default:
-               // cancel from the browser - we are done
-               return;
-       }
-       
-       browser.hide ();
+       do {
+               keepRunning = false;
 
-       /* lets do it */
-       
-       AudioTrack* track = 0;
+               int response = sfbrowser->run ();
+
+               switch (response) {
+                       case RESPONSE_APPLY:
+                               // leave the dialog open
+                               break;
 
-       if (!selection->tracks.empty()) {
-               AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.front());
-               if (atv) {
-                       track = atv->audio_track();
+                       case RESPONSE_OK:
+                               sfbrowser->hide ();
+                               break;
+
+                       default:
+                               // cancel from the browser - we are done
+                               sfbrowser->hide ();
+                               return;
+               }
+
+               /* lets do it */
+
+               paths = sfbrowser->get_paths ();
+
+               ImportPosition pos = sfbrowser->get_position ();
+               ImportMode mode = sfbrowser->get_mode ();
+               ImportDisposition chns = sfbrowser->get_channel_disposition ();
+               nframes64_t where;
+
+               switch (pos) {
+                       case ImportAtEditPoint:
+                               where = get_preferred_edit_position ();
+                               break;
+                       case ImportAtTimestamp:
+                               where = -1;
+                               break;
+                       case ImportAtPlayhead:
+                               where = playhead_cursor->current_frame;
+                               break;
+                       case ImportAtStart:
+                               where = session->current_start_frame();
+                               break;
+               }
+
+               SrcQuality quality = sfbrowser->get_src_quality();
+
+
+               if (sfbrowser->copy_files_btn.get_active()) {
+                       do_import (paths, chns, mode, quality, where);
+               } else {
+                       do_embed (paths, chns, mode, where);
+               }
+
+               if (response == RESPONSE_APPLY) {
+                       sfbrowser->clear_selection ();
+                       keepRunning = true;
+               }
+
+       } while (keepRunning);
+}
+
+typedef std::map<PBD::ID,boost::shared_ptr<AudioSource> > AudioSourceList;
+
+/**
+ * Updating is still disabled, see note in libs/ardour/import.cc Session::import_audiofiles()
+ *
+ * all_or_nothing:
+ *   true  = show "Update", "Import" and "Skip"
+ *   false = show "Import", and "Cancel"
+ *
+ * Returns:
+ *     0  To update an existing source of the same name
+ *     1  To import/embed the file normally (make sure the new name will be unique)
+ *     2  If the user wants to skip this file
+ **/
+int
+Editor::check_whether_and_how_to_import(string path, bool all_or_nothing)
+{
+       string wave_name (Glib::path_get_basename(path));
+
+       AudioSourceList all_sources = session->get_audio_sources();
+       bool wave_name_exists = false;
+
+       for (AudioSourceList::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
+               boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(i->second);
+
+               string tmp (Glib::path_get_basename (afs->path()));
+
+               if (tmp == wave_name) {
+                       wave_name_exists = true;
+                       break;
                }
        }
-       paths = browser.get_paths ();
 
-       ImportPosition pos = browser.get_position ();
-       ImportMode mode = browser.get_mode ();
-       ImportChannel chns = browser.get_channel_disposition ();
-       nframes64_t where;
+       int function = 1;
 
-       switch (pos) {
-       case ImportAtEditCursor:
-               where = edit_cursor->current_frame;
-               break;
-       case ImportAtTimestamp:
-               where = -1;
-               break;
-       case ImportAtPlayhead:
-               where = playhead_cursor->current_frame;
-               break;
-       case ImportAtStart:
-               where = session->current_start_frame();
-               break;
+
+       if (wave_name_exists) {
+               string message;
+               if (all_or_nothing) {
+                       // updating is still disabled
+                       //message = string_compose(_("The session already contains a source file named %1. Do you want to update that file (and thus all regions using the file) or import this file as a new file?"),wave_name);
+                       message = string_compose(_("The session already contains a source file named %1. This file will be imported as a new file, please confirm."),wave_name);
+               } else {
+                       message = string_compose(_("A source file %1 already exists. This operation will not update that source but import the file %2 as a new source, please confirm."), wave_name, wave_name);
+
+               }
+               MessageDialog dialog(message, false,Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_NONE, true);
+
+               if (all_or_nothing) {
+                       // disabled
+                       //dialog.add_button("Update", 0);
+                       dialog.add_button("Import", 1);
+                       dialog.add_button("Skip",   2);
+               } else {
+                       dialog.add_button("Import", 1);
+                       dialog.add_button("Cancel", 2);
+               }
+               
+               
+               //dialog.add_button("Skip all", 4); // All or rest?
+
+               dialog.show();
+
+               function = dialog.run ();
+
+               dialog.hide();
        }
 
-       if (browser.import.get_active()) {
-               do_import (paths, chns, mode, track, where);
+       return function;
+}
+
+boost::shared_ptr<AudioTrack>
+Editor::get_nth_selected_audio_track (int nth) const
+{
+       AudioTimeAxisView* atv;
+       TrackSelection::iterator x;
+       
+       for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
+
+               atv = dynamic_cast<AudioTimeAxisView*>(*x);
+               
+               if (!atv) {
+                       continue;
+               } else if (atv->is_audio_track()) {
+                       --nth;
+               }
+       }
+       
+       if (x == selection->tracks.end()) {
+               atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.back());
        } else {
-               do_embed (paths, chns, mode, track, where);
+               atv = dynamic_cast<AudioTimeAxisView*>(*x);
+       }
+       
+       if (!atv || !atv->is_audio_track()) {
+               return boost::shared_ptr<AudioTrack>();
        }
+       
+       return atv->audio_track();
+}      
+
+bool
+Editor::idle_do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
+{
+       _do_import (paths, chns, mode, quality, pos);
+       return false;
 }
 
 void
-Editor::do_import (vector<ustring> paths, ImportChannel chns, ImportMode mode, AudioTrack* track, nframes64_t& pos)
+Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
 {
-       switch (chns) {
-       case Editing::ImportThingPerFile:
-       case Editing::ImportThingForAll:
-               import_status.multichan = true;
-               break;
+#ifdef GTKOSX
+       Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_import), paths, chns, mode, quality, pos));
+#else
+       _do_import (paths, chns, mode, quality, pos);
+#endif
+}
 
-       case Editing::ImportThingPerChannel:
-               import_status.multichan = false;
-               break;
-       }
+void
+Editor::_do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
+{
+       boost::shared_ptr<AudioTrack> track;
+       vector<ustring> to_import;
+       bool ok = true;
+       int nth = 0;
 
        if (interthread_progress_window == 0) {
                build_interthread_progress_window ();
        }
 
-       vector<ustring> to_import;
+       if (chns == Editing::ImportMergeFiles) {
+               /* create 1 region from all paths, add to 1 track,
+                  ignore "track"
+               */
+               bool cancel = false;
+               for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
+                       int check = check_whether_and_how_to_import(*a, false);
+                       if (check == 2) {
+                               cancel = true;
+                               break;
+                       }
+               }
 
-       for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
+               if (!cancel) {
+                       if (import_sndfiles (paths, mode, quality, pos, 1, 1, track, false)) {
+                               ok = false;
+                       }
+               }
 
-               to_import.clear ();
-               to_import.push_back (*a);
+       } else {
+               bool replace;
 
-               import_sndfile (to_import, mode, track, pos);
-       }
+               for (vector<ustring>::iterator a = paths.begin(); a != paths.end() && ok; ++a) {
+
+                       int check = check_whether_and_how_to_import(*a, true);
+
+                       if (check == 2 ) { 
+                               // skip
+                               continue;
+                       }
+
+                       if (check == 0) {
+                               fatal << "Updating existing sources should be disabled!" << endl;
+                               replace = true;
+                       } else if (check == 1) {
+                               replace = false;
+                       }
+                       
+
+                       switch (chns) {
+                               case Editing::ImportDistinctFiles:
+
+                                       to_import.clear ();
+                                       to_import.push_back (*a);
+
+                                       if (mode == Editing::ImportToTrack) {
+                                               track = get_nth_selected_audio_track (nth++);
+                                       }
+
+                                       if (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace)) {
+                                               ok = false;
+                                       }
+
+                                       break;
+
+                               case Editing::ImportDistinctChannels:
+
+                                       to_import.clear ();
+                                       to_import.push_back (*a);
+
+                                       if (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace)) {
+                                               ok = false;
+                                       }
+
+                                       break;
+
+                               case Editing::ImportSerializeFiles:
+
+                                       to_import.clear ();
+                                       to_import.push_back (*a);
+
+                                       /* create 1 region from this path, add to 1 track,
+                                          reuse "track" across paths
+                                          */
+
+                                       if (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace)) {
+                                               ok = false;
+                                       }
 
-       interthread_progress_window->hide_all ();
+                                       break;
+
+                               case Editing::ImportMergeFiles:
+                                       // Not entered
+                                       break;
+                       }
+               }
+
+               if (ok) {
+                       session->save_state ("");
+               }
+
+               interthread_progress_window->hide_all ();
+       }
 }
 
 bool
-Editor::idle_do_embed (vector<ustring> paths, ImportChannel chns, ImportMode mode, AudioTrack* track, nframes64_t& pos)
+Editor::idle_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 {
-       _do_embed (paths, chns, mode, track, pos);
+       _do_embed (paths, chns, mode, pos);
        return false;
 }
 
 void
-Editor::do_embed (vector<ustring> paths, ImportChannel chns, ImportMode mode, AudioTrack* track, nframes64_t& pos)
+Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 {
 #ifdef GTKOSX
-       Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_embed), paths, chns, mode, track, pos));
+       Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_do_embed), paths, chns, mode, pos));
 #else
-       _do_embed (paths, chns, mode, track, pos);
+       _do_embed (paths, chns, mode, pos);
 #endif
 }
 
 void
-Editor::_do_embed (vector<ustring> paths, ImportChannel chns, ImportMode mode, AudioTrack* track, nframes64_t& pos)
+Editor::_do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
 {
-       bool multiple_files = paths.size() > 1;
+       boost::shared_ptr<AudioTrack> track;
        bool check_sample_rate = true;
        bool ok = false;
        vector<ustring> to_embed;
-       
+       bool multi = paths.size() > 1;
+       int nth = 0;
 
        switch (chns) {
-       case Editing::ImportThingPerFile:
-       case Editing::ImportThingPerChannel:
+       case Editing::ImportDistinctFiles:
+               for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
+
+                       to_embed.clear ();
+                       to_embed.push_back (*a);
+
+                       if (mode == Editing::ImportToTrack) {
+                               track = get_nth_selected_audio_track (nth++);
+                       }
+
+                       if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, -1, track) < -1) {
+                               goto out;
+                       }
+               }
+               break;
+               
+       case Editing::ImportDistinctChannels:
                for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 
                        to_embed.clear ();
                        to_embed.push_back (*a);
 
-                       if (embed_sndfile (to_embed, chns, multiple_files, check_sample_rate, mode, track, pos) < -1) {
+                       if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
                                goto out;
                        }
                }
                break;
 
-       case Editing::ImportThingForAll:
-               if (embed_sndfile (paths, chns, multiple_files, check_sample_rate, mode, track, pos) < -1) {
+       case Editing::ImportMergeFiles:
+               if (embed_sndfiles (paths, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
                        goto out;
                }
+       break;
+
+       case Editing::ImportSerializeFiles:
+               for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
+
+                       to_embed.clear ();
+                       to_embed.push_back (*a);
+
+                       if (embed_sndfiles (to_embed, multi, check_sample_rate, mode, pos, 1, 1, track) < -1) {
+                               goto out;
+                       }
+               }
                break;
        }
 
@@ -221,13 +489,13 @@ Editor::_do_embed (vector<ustring> paths, ImportChannel chns, ImportMode mode, A
 }
 
 int
-Editor::import_sndfile (vector<ustring> paths, ImportMode mode, AudioTrack* track, nframes64_t& pos)
+Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos, 
+                        int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track, bool replace)
 {
        WindowTitle title = string_compose (_("importing %1"), paths.front());
 
        interthread_progress_window->set_title (title.get_string());
        interthread_progress_window->set_position (Gtk::WIN_POS_MOUSE);
-       interthread_progress_window->show_all ();
        interthread_progress_bar.set_fraction (0.0f);
        interthread_cancel_label.set_text (_("Cancel Import"));
        current_interthread_info = &import_status;
@@ -237,11 +505,13 @@ Editor::import_sndfile (vector<ustring> paths, ImportMode mode, AudioTrack* trac
        import_status.cancel = false;
        import_status.freeze = false;
        import_status.done = 0.0;
-       
+       import_status.quality = quality;
+       import_status.replace_existing_source = replace;
+
        interthread_progress_connection = Glib::signal_timeout().connect 
-               (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
+               (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 500);
        
-       track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
+       track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
        ARDOUR_UI::instance()->flush_pending ();
 
        /* start import thread for this spec. this will ultimately call Session::import_audiofile()
@@ -261,31 +531,34 @@ Editor::import_sndfile (vector<ustring> paths, ImportMode mode, AudioTrack* trac
        interthread_progress_connection.disconnect ();
        
        /* import thread finished - see if we should build a new track */
+
+       boost::shared_ptr<AudioRegion> r;
        
-       if (!import_status.new_regions.empty()) {
-               boost::shared_ptr<AudioRegion> region (import_status.new_regions.front());
-               finish_bringing_in_audio (region, region->n_channels(), region->n_channels(), track, pos, mode);
+       if (import_status.cancel || import_status.sources.empty()) {
+               goto out;
+       }
+
+       if (add_sources (paths, import_status.sources, pos, mode, target_regions, target_tracks, track, false) == 0) {
+               session->save_state ("");
        }
 
-       track_canvas.get_window()->set_cursor (*current_canvas_cursor);
+  out:
+       track_canvas->get_window()->set_cursor (*current_canvas_cursor);
        return 0;
 }
 
 int
-Editor::embed_sndfile (vector<Glib::ustring> paths, Editing::ImportChannel chns, bool multiple_files, bool& check_sample_rate, ImportMode mode, 
-                      AudioTrack* track, nframes64_t& pos)
+Editor::embed_sndfiles (vector<Glib::ustring> paths, bool multifile,
+                       bool& check_sample_rate, ImportMode mode, nframes64_t& pos, int target_regions, int target_tracks,
+                       boost::shared_ptr<AudioTrack>& track)
 {
        boost::shared_ptr<AudioFileSource> source;
        SourceList sources;
-       boost::shared_ptr<AudioRegion> region;
        string linked_path;
        SoundFileInfo finfo;
-       ustring region_name;
-       uint32_t input_chan = 0;
-       uint32_t output_chan = 0;
        int ret = 0;
 
-       track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
+       track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
        ARDOUR_UI::instance()->flush_pending ();
 
        for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
@@ -335,7 +608,7 @@ Editor::embed_sndfile (vector<Glib::ustring> paths, Editing::ImportChannel chns,
                if (check_sample_rate  && (finfo.samplerate != (int) session->frame_rate())) {
                        vector<string> choices;
                        
-                       if (multiple_files) {
+                       if (multifile) {
                                choices.push_back (_("Cancel entire import"));
                                choices.push_back (_("Don't embed it"));
                                choices.push_back (_("Embed all without questions"));
@@ -386,15 +659,9 @@ Editor::embed_sndfile (vector<Glib::ustring> paths, Editing::ImportChannel chns,
                        }
                }
                
-               track_canvas.get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
-               // ARDOUR_UI::instance()->flush_pending ();
-       
-               /* make the proper number of channels in the region */
-               
-               input_chan += finfo.channels;
+               track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
 
-               for (int n = 0; n < finfo.channels; ++n)
-               {
+               for (int n = 0; n < finfo.channels; ++n) {
                        try {
 
                                /* check if we have this thing embedded already */
@@ -402,11 +669,15 @@ Editor::embed_sndfile (vector<Glib::ustring> paths, Editing::ImportChannel chns,
                                boost::shared_ptr<Source> s;
 
                                if ((s = session->source_by_path_and_channel (path, n)) == 0) {
+
+                                       cerr << "add embed/import source with defer_peaks = true\n";
+
                                        source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable 
                                                                                               (*session, path,  n,
                                                                                                (mode == ImportAsTapeTrack ? 
                                                                                                 AudioFileSource::Destructive : 
-                                                                                                AudioFileSource::Flag (0))));
+                                                                                                AudioFileSource::Flag (0)),
+                                                                                               true, true));
                                } else {
                                        source = boost::dynamic_pointer_cast<AudioFileSource> (s);
                                }
@@ -427,79 +698,105 @@ Editor::embed_sndfile (vector<Glib::ustring> paths, Editing::ImportChannel chns,
                goto out;
        }
 
+       ret = add_sources (paths, sources, pos, mode, target_regions, target_tracks, track, true);
+
+  out:
+       track_canvas->get_window()->set_cursor (*current_canvas_cursor);
+       return ret;
+}
+
+int
+Editor::add_sources (vector<Glib::ustring> paths, SourceList& sources, nframes64_t& pos, ImportMode mode, 
+                    int target_regions, int target_tracks, boost::shared_ptr<AudioTrack>& track, bool add_channel_suffix)
+{
+       vector<boost::shared_ptr<AudioRegion> > regions;
+       ustring region_name;
+       uint32_t input_chan = 0;
+       uint32_t output_chan = 0;
 
        if (pos == -1) { // "use timestamp"
                if (sources[0]->natural_position() != 0) {
                        pos = sources[0]->natural_position();
                } else {
-                       // XXX is this the best alternative ?
-                       pos = edit_cursor->current_frame;
+                       pos = get_preferred_edit_position ();
                }
        }
 
-       if (chns == Editing::ImportThingPerFile || chns == Editing::ImportThingForAll) {
+       if (target_regions == 1) {
 
                /* take all the sources we have and package them up as a region */
 
-               region_name = region_name_from_path (paths.front(), (sources.size() > 1));
+               region_name = region_name_from_path (paths.front(), (sources.size() > 1), false);
                
-               region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
-                                                                                         Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External)));
-
-               if (Config->get_output_auto_connect() & AutoConnectMaster) {
-                       output_chan = (session->master_out() ? session->master_out()->n_inputs() : input_chan);
-               } else {
-                       output_chan = input_chan;
-               }
+               regions.push_back (boost::dynamic_pointer_cast<AudioRegion> 
+                                  (RegionFactory::create (sources, 0, sources[0]->length(), region_name, 0,
+                                                          Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
                
-               finish_bringing_in_audio (region, input_chan, output_chan, track, pos, mode);
-               
-       } else {
+       } else if (target_regions == -1) {
 
                /* take each source and create a region for each one */
 
                SourceList just_one;
                SourceList::iterator x;
-               vector<Glib::ustring>::iterator p = paths.begin();
-               vector<Glib::ustring>::iterator next_path;
-               
-               for (x = sources.begin(); x != sources.end(); ++x) {
+               uint32_t n;
+
+               for (n = 0, x = sources.begin(); x != sources.end(); ++x, ++n) {
 
                        just_one.clear ();
                        just_one.push_back (*x);
-
-                       region_name = region_name_from_path ((*p), false);
                        
-                       region = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (just_one, 0, (*x)->length(), region_name, 0,
-                                                                                                 Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External)));
+                       boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource> (*x);
 
-                       if (Config->get_output_auto_connect() & AutoConnectMaster) {
-                               output_chan = (session->master_out() ? session->master_out()->n_inputs() : input_chan);
-                       } else {
-                               output_chan = input_chan;
-                       }
-               
-                       finish_bringing_in_audio (region, 1, output_chan, track, pos, mode);
+                       region_name = region_name_from_path (afs->path(), false, true, sources.size(), n);
 
-                       /* don't run out of paths */
-                       
-                       next_path = p;
-                       next_path++;
+                       regions.push_back (boost::dynamic_pointer_cast<AudioRegion> 
+                                          (RegionFactory::create (just_one, 0, (*x)->length(), region_name, 0,
+                                                                  Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External))));
 
-                       if (next_path != paths.end()) {
-                               p = next_path;
-                       }
                }
        }
 
-       
-  out:
-       track_canvas.get_window()->set_cursor (*current_canvas_cursor);
-       return ret;
-}
+       if (target_regions == 1) {
+               input_chan = regions.front()->n_channels();
+       } else {
+               if (target_tracks == 1) {
+                       input_chan = regions.size();
+               } else {
+                       input_chan = 1;
+               }
+       }
+
+       if (Config->get_output_auto_connect() & AutoConnectMaster) {
+               output_chan = (session->master_out() ? session->master_out()->n_inputs() : input_chan);
+       } else {
+               output_chan = input_chan;
+       }
+
+       int n = 0;
+
+       for (vector<boost::shared_ptr<AudioRegion> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
+
+               finish_bringing_in_audio (*r, input_chan, output_chan, pos, mode, track);
+
+               if (target_tracks != 1) {
+                       track.reset ();
+               } else {
+                       pos += (*r)->length();
+               } 
+       }
+
+       /* setup peak file building in another thread */
+
+       for (SourceList::iterator x = sources.begin(); x != sources.end(); ++x) {
+               SourceFactory::setup_peakfile (*x, true);
+       }
 
+       return 0;
+}
+       
 int
-Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_t in_chans, uint32_t out_chans, AudioTrack* track, nframes64_t& pos, ImportMode mode)
+Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos, 
+                                 ImportMode mode, boost::shared_ptr<AudioTrack>& existing_track)
 {
        switch (mode) {
        case ImportAsRegion:
@@ -507,31 +804,45 @@ Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_
                break;
                
        case ImportToTrack:
-               if (track) {
-                       boost::shared_ptr<Playlist> playlist = track->diskstream()->playlist();
-                       
-                       boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
-                       begin_reversible_command (_("insert sndfile"));
-                        XMLNode &before = playlist->get_state();
-                       playlist->add_region (copy, pos);
-                       session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
-                       commit_reversible_command ();
+       {
+               if (!existing_track) {
+
+                       existing_track = get_nth_selected_audio_track (0);
 
-                       pos += region->length();
+                       if (!existing_track) {
+                               return -1;
+                       }
                }
+
+               boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
+               boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
+               begin_reversible_command (_("insert sndfile"));
+               XMLNode &before = playlist->get_state();
+               playlist->add_region (copy, pos);
+               session->add_command (new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
+               commit_reversible_command ();
                break;
-               
+       }
+
        case ImportAsTrack:
        { 
-               list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
-               if (!at.empty()) {
-                       boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
-                       at.front()->set_name (basename_nosuffix (copy->name()), this);
-                       at.front()->diskstream()->playlist()->add_region (copy, pos);
+               if (!existing_track) {
+                       list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Normal, 1));
+
+                       if (at.empty()) {
+                               return -1;
+                       }
+
+                       existing_track = at.front();
+                       existing_track->set_name (region->name(), this);
                }
+
+               boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
+               existing_track->diskstream()->playlist()->add_region (copy, pos);
                break;
        }
 
+
        case ImportAsTapeTrack:
        {
                list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
@@ -559,7 +870,7 @@ Editor::_import_thread (void *arg)
 void *
 Editor::import_thread ()
 {
-       session->import_audiofile (import_status);
+       session->import_audiofiles (import_status);
        pthread_exit_pbd (0);
        /*NOTREACHED*/
        return 0;
@@ -568,6 +879,13 @@ Editor::import_thread ()
 gint
 Editor::import_progress_timeout (void *arg)
 {
+       bool reset = false;
+
+       if (!interthread_progress_window->is_visible()) {
+               interthread_progress_window->show_all ();
+               reset = true;
+       }
+       
        interthread_progress_label.set_text (import_status.doing_what);
 
        if (import_status.freeze) {
@@ -580,9 +898,20 @@ Editor::import_progress_timeout (void *arg)
                interthread_progress_bar.pulse ();
                return FALSE;
        } else {
-               interthread_progress_bar.set_fraction (import_status.progress);
+               float val = import_status.progress;
+               interthread_progress_bar.set_fraction (min (max (0.0f, val), 1.0f));
        }
 
-       return !(import_status.done || import_status.cancel);
+       if (reset) {
+
+               /* the window is now visible, speed up the updates */
+               
+               interthread_progress_connection.disconnect ();
+               interthread_progress_connection = Glib::signal_timeout().connect 
+                       (bind (mem_fun(*this, &Editor::import_progress_timeout), (gpointer) 0), 100);
+               return false;
+       } else {
+               return !(import_status.done || import_status.cancel);
+       }
 }