- /* Alignment: act as a proxy for the diskstream */
-
- if ((fnode = find_named_node (*pending_state, X_("alignment"))) != 0) {
-
- if ((prop = fnode->property (X_("style"))) != 0) {
-
- /* fix for older sessions from before EnumWriter */
-
- string pstr;
-
- if (prop->value() == "capture") {
- pstr = "CaptureTime";
- } else if (prop->value() == "existing") {
- pstr = "ExistingMaterial";
- } else {
- pstr = prop->value();
- }
-
- AlignStyle as = AlignStyle (string_2_enum (pstr, as));
- _diskstream->set_persistent_align_style (as);
- }
- }
- return;
-}
-
-int
-MidiTrack::no_roll (nframes_t nframes, nframes_t start_frame, nframes_t end_frame, nframes_t offset,
- bool session_state_changing, bool can_record, bool rec_monitors_input)
-{
- if (n_outputs().n_midi() == 0) {
- return 0;
- }
-
- if (!_active) {
- silence (nframes, offset);
- }
-
- if (session_state_changing) {
-
- /* XXX is this safe to do against transport state changes? */
-
- passthru_silence (start_frame, end_frame, nframes, offset, 0, false);
- return 0;
- }
-
- midi_diskstream()->check_record_status (start_frame, nframes, can_record);
-
- bool send_silence;
-
- if (_have_internal_generator) {
- /* since the instrument has no input streams,
- there is no reason to send any signal
- into the route.
- */
- send_silence = true;
- } else {
-
- if (Config->get_auto_input()) {
- if (Config->get_monitoring_model() == SoftwareMonitoring) {
- send_silence = false;
- } else {
- send_silence = true;
- }
- } else {
- if (_diskstream->record_enabled()) {
- if (Config->get_monitoring_model() == SoftwareMonitoring) {
- send_silence = false;
- } else {
- send_silence = true;
- }
- } else {
- send_silence = true;
- }
- }
- }
-
- apply_gain_automation = false;
-
- if (send_silence) {
-
- /* if we're sending silence, but we want the meters to show levels for the signal,
- meter right here.
- */
-
- if (_have_internal_generator) {
- passthru_silence (start_frame, end_frame, nframes, offset, 0, true);
- } else {
- if (_meter_point == MeterInput) {
- just_meter_input (start_frame, end_frame, nframes, offset);
- }
- passthru_silence (start_frame, end_frame, nframes, offset, 0, false);
- }
-
- } else {
-
- /* we're sending signal, but we may still want to meter the input.
- */
-
- passthru (start_frame, end_frame, nframes, offset, 0, (_meter_point == MeterInput));