Make source length a dynamic thing.
[ardour.git] / gtk2_ardour / editor_audio_import.cc
index 48edb52756d8d8626a241bbf79c79b1221ae3c74..730063655a39ed80988d1d4d6f9f1572c8506d14 100644 (file)
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <unistd.h>
+#include <algorithm>
+
+#include <sndfile.h>
+
 #include <pbd/pthread_utils.h>
 #include <pbd/basename.h>
+#include <pbd/shortpath.h>
 
 #include <gtkmm2ext/choice.h>
+#include <gtkmm2ext/window_title.h>
 
 #include <ardour/session.h>
+#include <ardour/session_directory.h>
 #include <ardour/audioplaylist.h>
 #include <ardour/audioregion.h>
 #include <ardour/audio_diskstream.h>
+#include <ardour/midi_track.h>
+#include <ardour/midi_region.h>
 #include <ardour/utils.h>
 #include <ardour/audio_track.h>
 #include <ardour/audioplaylist.h>
 #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"
 #include "sfdb_ui.h"
 #include "editing.h"
 #include "audio_time_axis.h"
+#include "midi_time_axis.h"
+#include "session_import_dialog.h"
+#include "utils.h"
+#include "gui_thread.h"
 
 #include "i18n.h"
 
@@ -48,231 +66,502 @@ using namespace ARDOUR;
 using namespace PBD;
 using namespace sigc;
 using namespace Gtk;
+using namespace Gtkmm2ext;
 using namespace Editing;
 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)
 {
-       nframes_t& pos = edit_cursor->current_frame;
-       AudioTrack* track = 0;
-
-       if (!selection->tracks.empty()) {
-               AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(selection->tracks.front());
-               if (atv) {
-                       track = atv->audio_track();
-               }
+       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 media"), session, 0, true, mode_hint);
+       } else {
+               sfbrowser->set_mode (mode_hint);
        }
 
-       bring_in_external_audio (mode, track, pos, false);
+       external_audio_dialog ();
 }
 
 void
-Editor::bring_in_external_audio (ImportMode mode, AudioTrack* track, nframes_t& pos, bool prompt)
+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;
 
-       SoundFileOmega sfdb (_("Add existing audio to session"), session);
-       sfdb.set_mode (mode);
-
-       switch (sfdb.run()) {
-       case SoundFileOmega::ResponseImport:
-               do_import (sfdb.get_paths(), sfdb.get_split(), sfdb.get_mode(), track, pos, prompt);
-               break;
+       for (TrackSelection::iterator x = selection->tracks.begin(); x != selection->tracks.end(); ++x) {
+               AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*x);
                
-       case SoundFileOmega::ResponseEmbed:
-               do_embed (sfdb.get_paths(), sfdb.get_split(), sfdb.get_mode(), track, pos, prompt);
-               break;
+               if (!atv) {
+                       continue;
+               } else if (atv->is_audio_track()) {
+                       track_cnt++;
+               }
+       }
 
-       default:
-               break;
+       if (sfbrowser == 0) {
+               sfbrowser = new SoundFileOmega (*this, _("Add existing media"), session, track_cnt, true);
+       } else {
+               sfbrowser->reset (track_cnt);
        }
+
+       sfbrowser->show_all ();
+
+
+       bool keepRunning;
+
+       do {
+               keepRunning = false;
+
+               int response = sfbrowser->run ();
+
+               switch (response) {
+                       case RESPONSE_APPLY:
+                               // leave the dialog open
+                               break;
+
+                       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);
 }
 
 void
-Editor::do_import (vector<ustring> paths, bool split, ImportMode mode, AudioTrack* track, nframes_t& pos, bool prompt)
+Editor::session_import_dialog ()
 {
-       /* SFDB sets "multichan" to true to indicate "split channels"
-          so reverse the setting to match the way libardour
-          interprets it.
-       */
-       
-       import_status.multichan = !split;
+       SessionImportDialog dialog (*session);
+       ensure_float (dialog);
+       dialog.run ();
+}
 
-       if (interthread_progress_window == 0) {
-               build_interthread_progress_window ();
+typedef std::map<PBD::ID,boost::shared_ptr<ARDOUR::Source> > SourceMap;
+
+/**
+ * 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));
+
+       SourceMap all_sources = session->get_sources();
+       bool wave_name_exists = false;
+
+       for (SourceMap::iterator i = all_sources.begin(); i != all_sources.end(); ++i) {
+               string tmp (Glib::path_get_basename (i->second->path()));
+               if (tmp == wave_name) {
+                       wave_name_exists = true;
+                       break;
+               }
        }
 
-       vector<ustring> to_import;
+       int function = 1;
+
+       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?
 
-       for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
+               dialog.show();
 
-               to_import.clear ();
-               to_import.push_back (*a);
+               function = dialog.run ();
 
-               import_sndfile (to_import, mode, track, pos);
+               dialog.hide();
        }
 
-       interthread_progress_window->hide_all ();
+       return function;
 }
 
-void
-Editor::do_embed (vector<ustring> paths, bool split, ImportMode mode, AudioTrack* track, nframes_t& pos, bool prompt)
+boost::shared_ptr<AudioTrack>
+Editor::get_nth_selected_audio_track (int nth) const
 {
-       bool multiple_files = paths.size() > 1;
-       bool check_sample_rate = true;
-       vector<ustring>::iterator a;
-
-       for (a = paths.begin(); a != paths.end(); ) {
+       AudioTimeAxisView* atv;
+       TrackSelection::iterator x;
        
-               Glib::ustring path = *a;
-               Glib::ustring pair_base;
-               vector<ustring> to_embed;
+       for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 
-               to_embed.push_back (path);
-               a = paths.erase (a);
+               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 {
+               atv = dynamic_cast<AudioTimeAxisView*>(*x);
+       }
+       
+       if (!atv || !atv->is_audio_track()) {
+               return boost::shared_ptr<AudioTrack>();
+       }
+       
+       return atv->audio_track();
+}      
 
-               if (path_is_paired (path, pair_base)) {
+boost::shared_ptr<MidiTrack>
+Editor::get_nth_selected_midi_track (int nth) const
+{
+       MidiTimeAxisView* mtv;
+       TrackSelection::iterator x;
+       
+       for (x = selection->tracks.begin(); nth > 0 && x != selection->tracks.end(); ++x) {
 
-                       ustring::size_type len = pair_base.length();
+               mtv = dynamic_cast<MidiTimeAxisView*>(*x);
+               
+               if (!mtv) {
+                       continue;
+               } else if (mtv->is_midi_track()) {
+                       --nth;
+               }
+       }
+       
+       if (x == selection->tracks.end()) {
+               mtv = dynamic_cast<MidiTimeAxisView*>(selection->tracks.back());
+       } else {
+               mtv = dynamic_cast<MidiTimeAxisView*>(*x);
+       }
+       
+       if (!mtv || !mtv->is_midi_track()) {
+               return boost::shared_ptr<MidiTrack>();
+       }
+       
+       return mtv->midi_track();
+}      
 
-                       for (vector<Glib::ustring>::iterator b = paths.begin(); b != paths.end(); ) {
+void
+Editor::do_import (vector<ustring> paths, ImportDisposition chns, ImportMode mode, SrcQuality quality, nframes64_t& pos)
+{
+       boost::shared_ptr<Track> track;
+       vector<ustring> to_import;
+       int nth = 0;
 
-                               if (((*b).substr (0, len) == pair_base) && ((*b).length() == path.length())) {
+       if (interthread_progress_window == 0) {
+               build_interthread_progress_window ();
+       }
 
-                                       to_embed.push_back (*b);
-                                               
-                                       /* don't process this one again */
+       if (chns == Editing::ImportMergeFiles) {
 
-                                       b = paths.erase (b);
-                                       break;
+               /* create 1 region from all paths, add to 1 track,
+                  ignore "track"
+               */
 
-                               } else {
-                                       ++b;
-                               }
+               bool cancel = false;
+               for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
+                       int check = check_whether_and_how_to_import(*a, false);
+                       if (check == 2) {
+                               cancel = true;
+                               break;
                        }
                }
 
-               if (to_embed.size() > 1) {
+               if (!cancel) {
+                       import_sndfiles (paths, mode, quality, pos, 1, 1, track, false, paths.size());
+               }
 
-                       vector<string> choices;
+       } else {
 
-                       choices.push_back (string_compose (_("Import as a %1 region"),
-                                                          to_embed.size() > 2 ? _("multichannel") : _("stereo")));
-                       choices.push_back (_("Import as multiple regions"));
-                       
-                       Gtkmm2ext::Choice chooser (string_compose (_("Paired files detected (%1, %2 ...).\nDo you want to:"),
-                                                                  to_embed[0],
-                                                                  to_embed[1]),
-                                                  choices);
+               bool replace = false;
+               bool ok = true;
+               vector<ustring>::size_type total = paths.size();
+
+               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 ) { 
+                               // user said skip
+                               continue;
+                       }
+
+                       if (check == 0) {
+                               fatal << "Updating existing sources should be disabled!" << endl;
+                               replace = true;
+                       } else if (check == 1) {
+                               replace = false;
+                       }
                        
-                       if (chooser.run () == 0) {
-                               
-                               /* keep them paired */
 
-                               if (embed_sndfile (to_embed, split, multiple_files, check_sample_rate, mode, track, pos, prompt) < -1) {
-                                       break;
+
+                       switch (chns) {
+                       case Editing::ImportDistinctFiles:
+                               
+                               to_import.clear ();
+                               to_import.push_back (*a);
+                               
+                               if (mode == Editing::ImportToTrack) {
+                                       track = get_nth_selected_audio_track (nth++);
                                }
+                               
+                               ok = (import_sndfiles (to_import, mode, quality, pos, 1, -1, track, replace, total) == 0);
+                               break;
+                               
+                       case Editing::ImportDistinctChannels:
+                               
+                               to_import.clear ();
+                               to_import.push_back (*a);
+                               
+                               ok = (import_sndfiles (to_import, mode, quality, pos, -1, -1, track, replace, total) == 0);
+                               break;
+                               
+                       case Editing::ImportSerializeFiles:
+                               
+                               to_import.clear ();
+                               to_import.push_back (*a);
 
-                       } else {
+                               ok = (import_sndfiles (to_import, mode, quality, pos, 1, 1, track, replace, total) == 0);
+                               break;
 
-                               /* one thing per file */
+                       case Editing::ImportMergeFiles:
+                               // Not entered, handled in earlier if() branch
+                               break;
+                       }
+               }
+       }
 
-                               vector<ustring> foo;
+       interthread_progress_window->hide_all ();
+}
 
-                               for (vector<ustring>::iterator x = to_embed.begin(); x != to_embed.end(); ++x) {
+void
+Editor::do_embed (vector<ustring> paths, ImportDisposition chns, ImportMode mode, nframes64_t& pos)
+{
+       boost::shared_ptr<Track> track;
+       bool check_sample_rate = true;
+       bool ok = false;
+       vector<ustring> to_embed;
+       bool multi = paths.size() > 1;
+       int nth = 0;
 
-                                       foo.clear ();
-                                       foo.push_back (*x);
+       switch (chns) {
+       case Editing::ImportDistinctFiles:
+               for (vector<ustring>::iterator a = paths.begin(); a != paths.end(); ++a) {
 
-                                       if (embed_sndfile (foo, split, multiple_files, check_sample_rate, mode, track, pos, prompt) < -1) {
-                                               break;
-                                       }
-                               }
+                       to_embed.clear ();
+                       to_embed.push_back (*a);
+
+                       if (mode == Editing::ImportToTrack) {
+                               track = get_nth_selected_audio_track (nth++);
                        }
 
-               } else {
-                       
-                       if (embed_sndfile (to_embed, split, multiple_files, check_sample_rate, mode, track, pos, prompt) < -1) {
-                               break;
+                       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_sndfiles (to_embed, multi, check_sample_rate, mode, pos, -1, -1, track) < -1) {
+                               goto out;
                        }
                }
+               break;
+
+       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;
        }
+
+       ok = true;
        
-       if (a == paths.end()) {
+  out: 
+       if (ok) {
                session->save_state ("");
        }
 }
 
 int
-Editor::import_sndfile (vector<ustring> paths, ImportMode mode, AudioTrack* track, nframes_t& pos)
+Editor::import_sndfiles (vector<ustring> paths, ImportMode mode, SrcQuality quality, nframes64_t& pos, 
+                        int target_regions, int target_tracks, boost::shared_ptr<Track> track, bool replace, uint32_t total)
 {
-       interthread_progress_window->set_title (string_compose (_("ardour: importing %1"), paths.front()));
+       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;
+       current_interthread_info = &import_status;
 
        import_status.paths = paths;
        import_status.done = false;
        import_status.cancel = false;
        import_status.freeze = false;
        import_status.done = 0.0;
-       
+       import_status.quality = quality;
+       import_status.replace_existing_source = replace;
+       import_status.total = total;
+
+       import_status.mode = mode;
+       import_status.pos = pos;
+       import_status.target_tracks = target_tracks;
+       import_status.target_regions = target_regions;
+       import_status.track = track;
+       import_status.replace = 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));
-       ARDOUR_UI::instance()->flush_pending ();
+       track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
+       gdk_flush ();
 
-       /* start import thread for this spec. this will ultimately call Session::import_audiofile()
-          and if successful will add the file(s) as a region to the session region list.
+       /* start import thread for this spec. this will ultimately call Session::import_audiofiles()
+          which, if successful, will add the files as regions to the region list. its up to us
+          (the GUI) to direct additional steps after that.
        */
-       
+
        pthread_create_and_store ("import", &import_status.thread, 0, _import_thread, this);
        pthread_detach (import_status.thread);
        
-       while (!(import_status.done || import_status.cancel)) {
+       while (!import_status.done && !import_status.cancel) {
                gtk_main_iteration ();
        }
-       
+
+       interthread_progress_window->hide ();
        import_status.done = true;
        interthread_progress_connection.disconnect ();
        
-       /* import thread finished - see if we should build a new track */
-       
-       if (!import_status.new_regions.empty()) {
-               boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion>(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()) {
+               if (add_sources (import_status.paths, 
+                                import_status.sources, 
+                                import_status.pos, 
+                                import_status.mode, 
+                                import_status.target_regions, 
+                                import_status.target_tracks, 
+                                import_status.track, false) == 0) {
+                       session->save_state ("");
+               }
+               
+               /* update position from results */
+               
+               pos = import_status.pos;
        }
 
-       track_canvas.get_window()->set_cursor (*current_canvas_cursor);
+
+       track_canvas->get_window()->set_cursor (*current_canvas_cursor);
        return 0;
 }
 
 int
-Editor::embed_sndfile (vector<Glib::ustring> paths, bool split, bool multiple_files, bool& check_sample_rate, ImportMode mode, 
-                      AudioTrack* track, nframes_t& pos, bool prompt)
+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<Track>& track)
 {
        boost::shared_ptr<AudioFileSource> source;
        SourceList sources;
-       boost::shared_ptr<AudioRegion> region;
-       string idspec;
        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));
-       ARDOUR_UI::instance()->flush_pending ();
+       track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
+       gdk_flush ();
 
        for (vector<Glib::ustring>::iterator p = paths.begin(); p != paths.end(); ++p) {
 
@@ -280,12 +569,11 @@ Editor::embed_sndfile (vector<Glib::ustring> paths, bool split, bool multiple_fi
 
                /* lets see if we can link it into the session */
                
-               linked_path = session->sound_dir();
-               linked_path += '/';
-               linked_path += Glib::path_get_basename (path);
+               sys::path tmp = session->session_directory().sound_path() / Glib::path_get_basename(path);
+               linked_path = tmp.to_string();
                
                if (link (path.c_str(), linked_path.c_str()) == 0) {
-                       
+
                        /* there are many reasons why link(2) might have failed.
                           but if it succeeds, we now have a link in the
                           session sound dir that will protect against
@@ -293,66 +581,107 @@ Editor::embed_sndfile (vector<Glib::ustring> paths, bool split, bool multiple_fi
                        */
                        
                        path = linked_path;
+
+               } else {
+
+                       /* one possible reason is that its already linked */
+
+                       if (errno == EEXIST) {
+                               struct stat sb;
+
+                               if (stat (linked_path.c_str(), &sb) == 0) {
+                                       if (sb.st_nlink > 1) { // its a hard link, assume its the one we want
+                                               path = linked_path;
+                                       }
+                               }
+                       }
                }
                
                /* note that we temporarily truncated _id at the colon */
                
                string error_msg;
-               
+
                if (!AudioFileSource::get_soundfile_info (path, finfo, error_msg)) {
-                       error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), selection, error_msg ) << endmsg;
-                       return 0;
+                       error << string_compose(_("Editor: cannot open file \"%1\", (%2)"), path, error_msg ) << endmsg;
+                       goto out;
                }
                
                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"));
+                       
+                               Gtkmm2ext::Choice rate_choice (
+                                       string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), 
+                                                       short_path (path, 40)),
+                                       choices, false);
+                               
+                               int resx = rate_choice.run ();
+                               
+                               switch (resx) {
+                               case 0: /* stop a multi-file import */
+                                       ret = -2;
+                                       goto out;
+                               case 1: /* don't embed this one */
+                                       ret = -1;
+                                       goto out;
+                               case 2: /* do it, and the rest without asking */
+                                       check_sample_rate = false;
+                                       break;
+                               case 3: /* do it */
+                                       break;
+                               default:
+                                       ret = -2;
+                                       goto out;
+                               }
                        } else {
                                choices.push_back (_("Cancel"));
-                       }
-                       
-                       choices.push_back (_("Embed it anyway"));
+                               choices.push_back (_("Embed it anyway"));
                        
-                       Gtkmm2ext::Choice rate_choice (
-                               string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
-                               choices, false);
-                       
-                       switch (rate_choice.run()) {
-                       case 0: /* stop a multi-file import */
-                       case 1: /* don't import this one */
-                               return -1;
-                       case 2: /* do it, and the rest without asking */
-                               check_sample_rate = false;
-                               break;
-                       case 3: /* do it */
-                               break;
-                       default:
-                               return -2;
+                               Gtkmm2ext::Choice rate_choice (
+                                       string_compose (_("%1\nThis audiofile's sample rate doesn't match the session sample rate!"), path),
+                                       choices, false);
+                               
+                               int resx = rate_choice.run ();
+                               
+                               switch (resx) {
+                               case 0: /* don't import */
+                                       ret = -1;
+                                       goto out;
+                               case 1: /* do it */
+                                       break;
+                               default:
+                                       ret = -2;
+                                       goto out;
+                               }
                        }
                }
                
-               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;
-       
-               for (int n = 0; n < finfo.channels; ++n)
-               {
-                       idspec = path;
-                       idspec += string_compose(":%1", n);
-                       
+               track_canvas->get_window()->set_cursor (Gdk::Cursor (Gdk::WATCH));
+
+               for (int n = 0; n < finfo.channels; ++n) {
                        try {
-                               source = boost::dynamic_pointer_cast<AudioFileSource> (SourceFactory::createReadable 
-                                                                                      (DataType::AUDIO, *session, idspec, 
-                                                                                       (mode == ImportAsTapeTrack ? 
-                                                                                        AudioFileSource::Destructive : 
-                                                                                        AudioFileSource::Flag (0))));
+
+                               /* check if we have this thing embedded already */
+
+                               boost::shared_ptr<Source> s;
+
+                               if ((s = session->source_by_path_and_channel (path, n)) == 0) {
+
+                                       source = boost::dynamic_pointer_cast<AudioFileSource> (
+                                                       SourceFactory::createReadable (DataType::AUDIO, *session,
+                                                                       path, false, n,
+                                                                       (mode == ImportAsTapeTrack
+                                                                               ? Source::Destructive
+                                                                               : Source::Flag (0)),
+                                                                       true, true));
+                               } else {
+                                       source = boost::dynamic_pointer_cast<AudioFileSource> (s);
+                               }
+
                                sources.push_back(source);
                        } 
                        
@@ -369,66 +698,178 @@ Editor::embed_sndfile (vector<Glib::ustring> paths, bool split, bool multiple_fi
                goto out;
        }
 
-       if (sources[0]->natural_position() != 0) {
-               pos = sources[0]->natural_position();
-       } 
+       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<Track>& track, bool add_channel_suffix)
+{
+       vector<boost::shared_ptr<Region> > 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 {
+                       pos = get_preferred_edit_position ();
+               }
+       }
+
+       // kludge (for MIDI we're abusing "channel" for "track" here)
+       if (paths.front().rfind(".mid") != Glib::ustring::npos)
+               target_regions = -1;
+
+       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), false);
+               
+               regions.push_back (RegionFactory::create (sources, 0, sources[0]->length(pos), region_name, 0,
+                               Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External)));
+               
+       } else if (target_regions == -1 || target_regions > 1) {
+
+               /* take each source and create a region for each one */
+
+               SourceList just_one;
+               SourceList::iterator 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 ((*x)->path(), false, false, sources.size(), n);
+
+                       regions.push_back (RegionFactory::create (just_one, 0, (*x)->length(pos), region_name, 0,
+                                       Region::Flag (Region::DefaultFlags|Region::WholeFile|Region::External)));
+
+               }
+       }
+
+       if (target_regions == 1) {
+               input_chan = regions.front()->n_channels();
+       } else {
+               if (target_tracks == 1) {
+                       input_chan = regions.size();
+               } else {
+                       input_chan = 1;
+               }
+       }
 
-       region_name = region_name_from_path (paths.front(), (sources.size() > 1));
-       
-       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().get(DataType::AUDIO) : input_chan);
+               output_chan = (session->master_out() ? session->master_out()->n_inputs().n_audio() : input_chan);
        } else {
                output_chan = input_chan;
        }
 
-       finish_bringing_in_audio (region, input_chan, output_chan, track, pos, mode);
-       
-  out:
-       track_canvas.get_window()->set_cursor (*current_canvas_cursor);
+       int n = 0;
+
+       for (vector<boost::shared_ptr<Region> >::iterator r = regions.begin(); r != regions.end(); ++r, ++n) {
+
+               finish_bringing_in_material (*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, nframes_t& pos, ImportMode mode)
+Editor::finish_bringing_in_material (boost::shared_ptr<Region> region, uint32_t in_chans, uint32_t out_chans, nframes64_t& pos, 
+                                 ImportMode mode, boost::shared_ptr<Track>& existing_track)
 {
+       boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion>(region);
+       boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
+
        switch (mode) {
        case ImportAsRegion:
                /* relax, its been done */
                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 ();
-
-                       pos += region->length();
+       {
+               if (!existing_track) {
+
+                       if (ar) {
+                               existing_track = get_nth_selected_audio_track (0);
+                       } else if (mr) {
+                               existing_track = get_nth_selected_midi_track (0);
+                       }
+
+                       if (!existing_track) {
+                               return -1;
+                       }
                }
+
+               boost::shared_ptr<Playlist> playlist = existing_track->diskstream()->playlist();
+               boost::shared_ptr<Region> copy (RegionFactory::create (region));
+               begin_reversible_command (_("insert file"));
+               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()->diskstream()->playlist()->add_region (copy, pos);
+               if (!existing_track) {
+                       if (ar) {
+                               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();
+                       } else if (mr) {
+                               list<boost::shared_ptr<MidiTrack> > mt (session->new_midi_track (Normal, 1));
+
+                               if (mt.empty()) {
+                                       return -1;
+                               }
+
+                               existing_track = mt.front();
+                       }
+
+                       existing_track->set_name (region->name());
                }
+
+               boost::shared_ptr<Region> copy (RegionFactory::create (region));
+               existing_track->diskstream()->playlist()->add_region (copy, pos);
                break;
        }
 
+
        case ImportAsTapeTrack:
        {
+               if (!ar)
+                       return -1;
+
                list<boost::shared_ptr<AudioTrack> > at (session->new_audio_track (in_chans, out_chans, Destructive));
                if (!at.empty()) {
-                       boost::shared_ptr<AudioRegion> copy (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (region)));
+                       boost::shared_ptr<Region> copy (RegionFactory::create (region));
+                       at.front()->set_name (basename_nosuffix (copy->name()));
                        at.front()->diskstream()->playlist()->add_region (copy, pos);
                }
                break;
@@ -441,7 +882,7 @@ Editor::finish_bringing_in_audio (boost::shared_ptr<AudioRegion> region, uint32_
 void *
 Editor::_import_thread (void *arg)
 {
-       PBD::ThreadCreated (pthread_self(), X_("Import"));
+       PBD::notify_gui_about_thread_creation (pthread_self(), X_("Import"));
 
        Editor *ed = (Editor *) arg;
        return ed->import_thread ();
@@ -450,7 +891,7 @@ 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;
@@ -459,6 +900,13 @@ 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) {
@@ -471,9 +919,20 @@ 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);
+       }
 }