#include "pbd/error.h"
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
-#include <midi++/manager.h>
#include <midi++/mmc.h>
#include "ardour/audioengine.h"
#include "ardour/butler.h"
-#include "ardour/export_failed.h"
#include "ardour/export_handler.h"
#include "ardour/export_status.h"
+#include "ardour/process_thread.h"
#include "ardour/session.h"
#include "ardour/track.h"
-#include "ardour/process_thread.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
}
}
- /* make sure we are actually rolling */
+ /* prepare transport */
+
+ realtime_stop (true, true);
if (get_record_enabled()) {
disable_record (false);
}
+ unset_play_loop ();
+
/* no slaving */
post_export_sync = config.get_external_sync ();
config.set_external_sync (false);
_exporting = true;
- export_status->running = true;
- export_status->Aborting.connect_same_thread (*this, boost::bind (&Session::stop_audio_export, this));
+ export_status->set_running (true);
export_status->Finished.connect_same_thread (*this, boost::bind (&Session::finalize_audio_export, this));
-
+
/* disable MMC output early */
- _pre_export_mmc_enabled = MIDI::Manager::instance()->mmc()->send_enabled ();
- MIDI::Manager::instance()->mmc()->enable_send (false);
+ _pre_export_mmc_enabled = _mmc->send_enabled ();
+ _mmc->enable_send (false);
return 0;
}
/** Called for each range that is being exported */
int
-Session::start_audio_export (framepos_t position, bool /* realtime */)
+Session::start_audio_export (framepos_t position, bool realtime)
{
if (!_exporting) {
pre_export ();
}
+ _realtime_export = realtime;
+
+ if (realtime) {
+ _export_preroll = nominal_frame_rate ();
+ } else {
+ _export_preroll = Config->get_export_preroll() * nominal_frame_rate ();
+ }
+
+ if (_export_preroll == 0) {
+ // must be > 0 so that transport is started in sync.
+ _export_preroll = 1;
+ }
+
+ /* "worst_track_latency" is the correct value for stem-exports
+ * see to Route::add_export_point(),
+ *
+ * for master-bus export, we'd need to add the master's latency.
+ * or actually longest-total-session-latency.
+ *
+ * We can't use worst_playback_latency because that includes
+ * includes external latencies and would overcompensate.
+ */
+ _export_latency = worst_track_latency ();
+
/* We're about to call Track::seek, so the butler must have finished everything
up otherwise it could be doing do_refill in its thread while we are doing
it here.
*/
-
+
_butler->wait_until_finished ();
/* get everyone to the right position */
since then has re-awakened it.
*/
- set_transport_speed (1.0, false);
- butler_transport_work ();
- g_atomic_int_set (&_butler->should_do_transport_work, 0);
- post_transport ();
-
/* we are ready to go ... */
if (!_engine.connected()) {
}
_engine.Freewheel.connect_same_thread (export_freewheel_connection, boost::bind (&Session::process_export_fw, this, _1));
- _export_rolling = true;
- return _engine.freewheel (true);
+
+ if (_realtime_export) {
+ Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
+ _export_rolling = true;
+ process_function = &Session::process_export_fw;
+ return 0;
+ } else {
+ _export_rolling = true;
+ return _engine.freewheel (true);
+ }
}
void
}
if (_export_rolling) {
- /* make sure we've caught up with disk i/o, since
- we're running faster than realtime c/o JACK.
- */
- _butler->wait_until_finished ();
+ if (!_realtime_export) {
+ /* make sure we've caught up with disk i/o, since
+ * we're running faster than realtime c/o JACK.
+ */
+ _butler->wait_until_finished ();
+ }
/* do the usual stuff */
process_without_events (nframes);
+ } else if (_realtime_export) {
+ fail_roll (nframes); // somehow we need to silence _ALL_ output buffers
}
try {
}
}
-int
+void
Session::process_export_fw (pframes_t nframes)
{
- _engine.main_thread()->get_buffers ();
+ const bool need_buffers = _engine.freewheeling ();
+ if (_export_preroll > 0) {
+
+ if (need_buffers) {
+ _engine.main_thread()->get_buffers ();
+ }
+ fail_roll (nframes);
+ if (need_buffers) {
+ _engine.main_thread()->drop_buffers ();
+ }
+
+ _export_preroll -= std::min ((framepos_t)nframes, _export_preroll);
+
+ if (_export_preroll > 0) {
+ // clear out buffers (reverb tails etc).
+ return;
+ }
+
+ set_transport_speed (1.0, 0, false);
+ butler_transport_work ();
+ g_atomic_int_set (&_butler->should_do_transport_work, 0);
+ post_transport ();
+
+ return;
+ }
+
+ if (_export_latency > 0) {
+ framepos_t remain = std::min ((framepos_t)nframes, _export_latency);
+
+ if (need_buffers) {
+ _engine.main_thread()->get_buffers ();
+ }
+ process_without_events (remain);
+ if (need_buffers) {
+ _engine.main_thread()->drop_buffers ();
+ }
+
+ _export_latency -= remain;
+ nframes -= remain;
+
+ if (nframes == 0) {
+ return;
+ }
+ }
+
+ if (need_buffers) {
+ _engine.main_thread()->get_buffers ();
+ }
process_export (nframes);
- _engine.main_thread()->drop_buffers ();
- return 0;
+ if (need_buffers) {
+ _engine.main_thread()->drop_buffers ();
+ }
+
+ return;
}
int
_export_rolling = false;
_butler->schedule_transport_work ();
- if (export_status->aborted()) {
- finalize_audio_export ();
- }
-
return 0;
-
}
void
Session::finalize_audio_export ()
{
_exporting = false;
- _export_rolling = false;
+
+ if (_export_rolling) {
+ stop_audio_export ();
+ }
/* Clean up */
+ if (_realtime_export) {
+ Glib::Threads::Mutex::Lock lm (AudioEngine::instance()->process_lock ());
+ process_function = &Session::process_with_events;
+ }
_engine.freewheel (false);
export_freewheel_connection.disconnect();
-
- MIDI::Manager::instance()->mmc()->enable_send (_pre_export_mmc_enabled);
+
+ _mmc->enable_send (_pre_export_mmc_enabled);
/* maybe write CUE/TOC */
projects / ardour.git / blobdiff