+ session->request_play_range (false, true);
+ }
+
+ if (!rolling) {
+ session->request_transport_speed (1.0f);
+ }
+
+ map_transport_state ();
+}
+
+void
+ARDOUR_UI::toggle_roll (bool with_abort, bool roll_out_of_bounded_mode)
+{
+
+ if (!session) {
+ return;
+ }
+
+ if (session->is_auditioning()) {
+ session->cancel_audition ();
+ return;
+ }
+
+ if (session->config.get_external_sync()) {
+ switch (session->config.get_sync_source()) {
+ case JACK:
+ break;
+ default:
+ /* transport controlled by the master */
+ return;
+ }
+ }
+
+ bool rolling = session->transport_rolling();
+ bool affect_transport = true;
+
+ if (rolling && roll_out_of_bounded_mode) {
+ /* drop out of loop/range playback but leave transport rolling */
+ if (session->get_play_loop()) {
+ if (Config->get_seamless_loop()) {
+ /* the disk buffers contain copies of the loop - we can't
+ just keep playing, so stop the transport. the user
+ can restart as they wish.
+ */
+ affect_transport = true;
+ } else {
+ /* disk buffers are normal, so we can keep playing */
+ affect_transport = false;
+ }
+ session->request_play_loop (false, true);
+ } else if (session->get_play_range ()) {
+ affect_transport = false;
+ session->request_play_range (0, true);
+ }
+ }
+
+ if (affect_transport) {
+ if (rolling) {
+ session->request_stop (with_abort, true);
+ } else {
+ session->request_transport_speed (1.0f);
+ }