#include <glibmm/timer.h>
#include "pbd/compose.h"
+#include "pbd/pthread_utils.h"
#include "ardour/automation_control.h"
#include "ardour/automation_watch.h"
AutomationWatch::AutomationWatch ()
: _thread (0)
+ , _last_time (0)
, _run_thread (false)
{
-
+
}
AutomationWatch::~AutomationWatch ()
Glib::Threads::Mutex::Lock lm (automation_watch_lock);
automation_watches.clear ();
+ automation_connections.clear ();
}
void
{
Glib::Threads::Mutex::Lock lm (automation_watch_lock);
DEBUG_TRACE (DEBUG::Automation, string_compose ("now watching control %1 for automation, astate = %2\n", ac->name(), enum_2_string (ac->automation_state())));
- automation_watches.insert (ac);
+ std::pair<AutomationWatches::iterator, bool> r = automation_watches.insert (ac);
+
+ if (!r.second) {
+ return;
+ }
/* if an automation control is added here while the transport is
* rolling, make sure that it knows that there is a write pass going
*/
if (_session && _session->transport_rolling() && ac->alist()->automation_write()) {
- DEBUG_TRACE (DEBUG::Automation, string_compose ("\ttransport is rolling @ %1, audible = %2so enter write pass\n",
- _session->transport_speed(), _session->audible_frame()));
+ DEBUG_TRACE (DEBUG::Automation, string_compose ("\ttransport is rolling @ %1, audible = %2so enter write pass\n",
+ _session->transport_speed(), _session->audible_sample()));
/* add a guard point since we are already moving */
- ac->list()->set_in_write_pass (true, true, _session->audible_frame());
+ ac->list()->set_in_write_pass (true, true, _session->audible_sample());
}
/* we can't store shared_ptr<Destructible> in connections because it
* creates reference cycles. we don't need to make the weak_ptr<>
* explicit here, but it helps to remind us what is going on.
*/
-
+
boost::weak_ptr<AutomationControl> wac (ac);
- ac->DropReferences.connect_same_thread (*this, boost::bind (&AutomationWatch::remove_weak_automation_watch, this, wac));
+ ac->DropReferences.connect_same_thread (automation_connections[ac], boost::bind (&AutomationWatch::remove_weak_automation_watch, this, wac));
}
void
Glib::Threads::Mutex::Lock lm (automation_watch_lock);
DEBUG_TRACE (DEBUG::Automation, string_compose ("remove control %1 from automation watch\n", ac->name()));
automation_watches.erase (ac);
+ automation_connections.erase (ac);
ac->list()->set_in_write_pass (false);
}
+void
+AutomationWatch::transport_stop_automation_watches (samplepos_t when)
+{
+ DEBUG_TRACE (DEBUG::Automation, "clear all automation watches\n");
+
+ AutomationWatches tmp;
+
+ {
+ Glib::Threads::Mutex::Lock lm (automation_watch_lock);
+ /* copy automation watches */
+ tmp = automation_watches;
+ /* clear existing container so that each
+ ::remove_automation_watch() call from
+ AutomationControl::stop_touch() is faster.
+ */
+
+ automation_watches.clear ();
+ automation_connections.clear ();
+ }
+
+ for (AutomationWatches::iterator i = tmp.begin(); i != tmp.end(); ++i) {
+ (*i)->stop_touch (when);
+ }
+}
+
gint
AutomationWatch::timer ()
{
{
Glib::Threads::Mutex::Lock lm (automation_watch_lock);
- framepos_t time = _session->audible_frame ();
-
- for (AutomationWatches::iterator aw = automation_watches.begin(); aw != automation_watches.end(); ++aw) {
- if ((*aw)->alist()->automation_write()) {
- (*aw)->list()->add (time, (*aw)->user_double());
+ samplepos_t time = _session->audible_sample ();
+ if (time > _last_time) { //we only write automation in the forward direction; this fixes automation-recording in a loop
+ for (AutomationWatches::iterator aw = automation_watches.begin(); aw != automation_watches.end(); ++aw) {
+ if ((*aw)->alist()->automation_write()) {
+ double val = (*aw)->user_double();
+ boost::shared_ptr<SlavableAutomationControl> sc = boost::dynamic_pointer_cast<SlavableAutomationControl> (*aw);
+ if (sc) {
+ val = sc->reduce_by_masters (val, true);
+ }
+ (*aw)->list()->add (time, val, true);
+ }
+ }
+ } else if (time != _last_time) { //transport stopped or reversed. stop the automation pass and start a new one (for bonus points, someday store the previous pass in an undo record)
+ for (AutomationWatches::iterator aw = automation_watches.begin(); aw != automation_watches.end(); ++aw) {
+ DEBUG_TRACE (DEBUG::Automation, string_compose ("%1: transport in rewind, speed %2, in write pass ? %3 writing ? %4\n",
+ (*aw)->name(), _session->transport_speed(), _session->transport_rolling(),
+ (*aw)->alist()->automation_write()));
+ (*aw)->list()->set_in_write_pass (false);
+ if ( (*aw)->alist()->automation_write() ) {
+ (*aw)->list()->set_in_write_pass (true, time);
+ }
}
}
+
+ _last_time = time;
}
return TRUE;
void
AutomationWatch::thread ()
{
+ pbd_set_thread_priority (pthread_self(), PBD_SCHED_FIFO, -25);
while (_run_thread) {
Glib::usleep ((gulong) floor (Config->get_automation_interval_msecs() * 1000));
timer ();
if (_session) {
_run_thread = true;
_thread = Glib::Threads::Thread::create (boost::bind (&AutomationWatch::thread, this));
-
+
_session->TransportStateChange.connect_same_thread (transport_connection, boost::bind (&AutomationWatch::transport_state_change, this));
}
}
bool rolling = _session->transport_rolling();
+ _last_time = _session->audible_sample ();
+
{
Glib::Threads::Mutex::Lock lm (automation_watch_lock);
for (AutomationWatches::iterator aw = automation_watches.begin(); aw != automation_watches.end(); ++aw) {
- DEBUG_TRACE (DEBUG::Automation, string_compose ("%1: transport state changed, speed %2, in write pass ? %3 writing ? %4\n",
+ DEBUG_TRACE (DEBUG::Automation, string_compose ("%1: transport state changed, speed %2, in write pass ? %3 writing ? %4\n",
(*aw)->name(), _session->transport_speed(), rolling,
(*aw)->alist()->automation_write()));
if (rolling && (*aw)->alist()->automation_write()) {