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attempt to prevent dropping into record if rolling in reverse (should fix #4254)

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git-svn-id: svn://localhost/ardour2/branches/3.0@9971 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-08-09 21:17:55 +00:00
parent 6e280d5cfc
commit db78ba19ff
2 changed files with 11 additions and 1 deletions
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7
libs/ardour/session.cc
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@ -985,13 +985,18 @@ Session::handle_locations_changed (Locations::LocationList& locations)
void
Session::enable_record ()
{
if (_transport_speed < 0.0) {
/* no recording in reverse */
return;
}
while (1) {
RecordState rs = (RecordState) g_atomic_int_get (&_record_status);
if (rs == Recording) {
break;
}
if (g_atomic_int_compare_and_exchange (&_record_status, rs, Recording)) {
_last_record_location = _transport_frame;

5
libs/ardour/session_transport.cc
View File

@ -958,6 +958,11 @@ Session::set_transport_speed (double speed, bool abort, bool clear_state)
return;
}
if (actively_recording() && speed < 0.0) {
/* no reverse during recording */
return;
}
_target_transport_speed = fabs(speed);
/* 8.0 max speed is somewhat arbitrary but based on guestimates regarding disk i/o capability