_is_new = !Glib::file_test (_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR));
if (_is_new) {
- if (create (mix_template, compute_initial_length(), bus_profile)) {
+ if (create (mix_template, bus_profile)) {
destroy ();
throw failed_constructor ();
}
void
Session::playlist_length_changed ()
{
- /* we can't just increase session_range_location->end() if pl->get_maximum_extent()
- if larger. if the playlist used to be the longest playlist,
- and its now shorter, we have to decrease session_range_location->end(). hence,
- we have to iterate over all diskstreams and check the
- playlists currently in use.
- */
- find_current_end ();
+ update_session_range_location_marker ();
}
void
playlist->LengthChanged.connect_same_thread (*this, boost::bind (&Session::playlist_length_changed, this));
}
- /* see comment in playlist_length_changed () */
- find_current_end ();
+ update_session_range_location_marker ();
}
bool
}
update_route_solo_state ();
- find_current_end ();
+ update_session_range_location_marker ();
// We need to disconnect the route's inputs and outputs
return shared_ptr<Route> ((Route*) 0);
}
+/** If either end of the session range location marker lies inside the current
+ * session extent, move it to the corresponding session extent.
+ */
void
-Session::find_current_end ()
+Session::update_session_range_location_marker ()
{
if (_state_of_the_state & Loading) {
return;
}
- nframes_t max = get_maximum_extent ();
+ pair<nframes_t, nframes_t> const ext = get_extent ();
- if (max > _session_range_location->end()) {
- _session_range_location->set_end (max);
- set_dirty();
- DurationChanged(); /* EMIT SIGNAL */
+ if (_session_range_location == 0) {
+ /* we don't have a session range yet; use this one (provided it is valid) */
+ if (ext.first != max_frames) {
+ add_session_range_location (ext.first, ext.second);
+ }
+ } else {
+ /* update the existing session range */
+ if (ext.first < _session_range_location->start()) {
+ _session_range_location->set_start (ext.first);
+ set_dirty ();
+ }
+
+ if (ext.second > _session_range_location->end()) {
+ _session_range_location->set_end (ext.second);
+ set_dirty ();
+ }
+
}
}
-nframes_t
-Session::get_maximum_extent () const
+/** @return Extent of the session's contents; if the session is empty, the first value of
+ * the pair will equal max_frames.
+ */
+pair<nframes_t, nframes_t>
+Session::get_extent () const
{
- nframes_t max = 0;
- nframes_t me;
+ pair<nframes_t, nframes_t> ext (max_frames, 0);
boost::shared_ptr<RouteList> rl = routes.reader ();
for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
if (!tr || tr->destructive()) {
- //ignore tape tracks when getting max extents
+ // ignore tape tracks when getting extents
continue;
}
-
- boost::shared_ptr<Playlist> pl = tr->playlist();
- if ((me = pl->get_maximum_extent()) > max) {
- max = me;
+
+ pair<nframes_t, nframes_t> e = tr->playlist()->get_extent ();
+ if (e.first < ext.first) {
+ ext.first = e.first;
+ }
+ if (e.second > ext.second) {
+ ext.second = e.second;
}
}
- return max;
+ return ext;
}
/* Region management */
automation_lists[al->id()] = al;
}
-nframes_t
-Session::compute_initial_length ()
-{
- return _engine.frame_rate() * 60 * 5;
-}
-
void
Session::sync_order_keys (std::string const & base)
{
return rl;
}
+
+void
+Session::goto_end ()
+{
+ if (_session_range_location) {
+ request_locate (_session_range_location->end(), false);
+ } else {
+ request_locate (0, false);
+ }
+}
+
+void
+Session::goto_start ()
+{
+ if (_session_range_location) {
+ request_locate (_session_range_location->start(), false);
+ } else {
+ request_locate (0, false);
+ }
+}
+
+void
+Session::set_session_start (nframes_t start)
+{
+ if (_session_range_location) {
+ _session_range_location->set_start (start);
+ } else {
+ add_session_range_location (start, start);
+ }
+}
+
+void
+Session::set_session_end (nframes_t end)
+{
+ if (_session_range_location) {
+ _session_range_location->set_end (end);
+ } else {
+ add_session_range_location (end, end);
+ }
+}
+
+nframes_t
+Session::current_start_frame () const
+{
+ return _session_range_location ? _session_range_location->start() : 0;
+}
+
+nframes_t
+Session::current_end_frame () const
+{
+ return _session_range_location ? _session_range_location->end() : 0;
+}
+
+void
+Session::add_session_range_location (nframes_t start, nframes_t end)
+{
+ _session_range_location = new Location (start, end, _("session"), Location::IsSessionRange);
+ _locations.add (_session_range_location);
+}