#include <glibmm/thread.h>
-#include "ardour/ardour.h"
#include "ardour/audioengine.h"
#include "ardour/auditioner.h"
#include "ardour/butler.h"
+#include "ardour/cycle_timer.h"
#include "ardour/debug.h"
+#include "ardour/graph.h"
+#include "ardour/port.h"
#include "ardour/process_thread.h"
#include "ardour/session.h"
#include "ardour/slave.h"
-#include "ardour/timestamps.h"
-#include "ardour/graph.h"
-#include "ardour/audio_port.h"
+#include "ardour/ticker.h"
+#include "ardour/types.h"
#include "midi++/manager.h"
#include "midi++/mmc.h"
#include "i18n.h"
+#include <xmmintrin.h>
+
using namespace ARDOUR;
using namespace PBD;
using namespace std;
/** Called by the audio engine when there is work to be done with JACK.
* @param nframes Number of frames to process.
*/
+
void
Session::process (pframes_t nframes)
{
- MIDI::Manager::instance()->cycle_start(nframes);
+ framepos_t transport_at_start = _transport_frame;
_silent = false;
_engine.main_thread()->drop_buffers ();
- // the ticker is for sending time information like MidiClock
- framepos_t transport_frames = transport_frame();
- Timecode::BBT_Time transport_bbt;
- bbt_time(transport_frames, transport_bbt);
- Timecode::Time transport_timecode;
- timecode_time(transport_frames, transport_timecode);
- tick (transport_frames, transport_bbt, transport_timecode); /* EMIT SIGNAL */
+ /* deliver MIDI clock. Note that we need to use the transport frame
+ * position at the start of process(), not the value at the end of
+ * it. We may already have ticked() because of a transport state
+ * change, for example.
+ */
- SendFeedback (); /* EMIT SIGNAL */
+ try {
+ if (!_engine.freewheeling() && Config->get_send_midi_clock() && transport_speed() == 1.0f && midi_clock->has_midi_port()) {
+ midi_clock->tick (transport_at_start);
+ }
+ } catch (...) {
+ /* don't bother with a message */
+ }
- MIDI::Manager::instance()->cycle_end();
+ SendFeedback (); /* EMIT SIGNAL */
}
int
int
Session::no_roll (pframes_t nframes)
{
+ PT_TIMING_CHECK (4);
+
framepos_t end_frame = _transport_frame + nframes; // FIXME: varispeed + no_roll ??
int ret = 0;
- bool declick = get_transport_declick_required();
+ int declick = get_transport_declick_required();
boost::shared_ptr<RouteList> r = routes.reader ();
if (_click_io) {
_click_io->silence (nframes);
}
- DEBUG_TRACE(DEBUG::Graph,"calling graph/no-roll\n");
- route_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), actively_recording(), declick);
- /*
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ if (_process_graph) {
+ DEBUG_TRACE(DEBUG::ProcessThreads,"calling graph/no-roll\n");
+ _process_graph->routes_no_roll( nframes, _transport_frame, end_frame, non_realtime_work_pending(), declick);
+ } else {
+ PT_TIMING_CHECK (10);
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if ((*i)->is_hidden()) {
- continue;
- }
+ if ((*i)->is_hidden()) {
+ continue;
+ }
- (*i)->set_pending_declick (declick);
+ (*i)->set_pending_declick (declick);
- if ((*i)->no_roll (nframes, _transport_frame, end_frame, non_realtime_work_pending(),
- actively_recording(), declick)) {
- error << string_compose(_("Session: error in no roll for %1"), (*i)->name()) << endmsg;
- ret = -1;
- break;
+ if ((*i)->no_roll (nframes, _transport_frame, end_frame, non_realtime_work_pending())) {
+ error << string_compose(_("Session: error in no roll for %1"), (*i)->name()) << endmsg;
+ ret = -1;
+ break;
+ }
}
+ PT_TIMING_CHECK (11);
}
- */
+ PT_TIMING_CHECK (5);
return ret;
}
+/** @param need_butler to be set to true by this method if it needs the butler,
+ * otherwise it must be left alone.
+ */
int
Session::process_routes (pframes_t nframes, bool& need_butler)
{
- bool record_active;
int declick = get_transport_declick_required();
- bool rec_monitors = get_rec_monitors_input();
boost::shared_ptr<RouteList> r = routes.reader ();
if (transport_sub_state & StopPendingCapture) {
declick = -1;
}
- record_active = actively_recording(); // || (get_record_enabled() && get_punch_in());
-
const framepos_t start_frame = _transport_frame;
const framepos_t end_frame = _transport_frame + floor (nframes * _transport_speed);
- DEBUG_TRACE(DEBUG::Graph,"calling graph/process-routes\n");
- route_graph->process_routes( nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler);
-/*
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ if (_process_graph) {
+ DEBUG_TRACE(DEBUG::ProcessThreads,"calling graph/process-routes\n");
+ _process_graph->process_routes (nframes, start_frame, end_frame, declick, need_butler);
+ } else {
- int ret;
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- if ((*i)->is_hidden()) {
- continue;
- }
+ int ret;
+
+ if ((*i)->is_hidden()) {
+ continue;
+ }
- (*i)->set_pending_declick (declick);
+ (*i)->set_pending_declick (declick);
- if ((ret = (*i)->roll (nframes, start_frame, end_frame, declick, record_active, rec_monitors, need_butler)) < 0) {
- stop_transport ();
- return -1;
+ bool b = false;
+
+ if ((ret = (*i)->roll (nframes, start_frame, end_frame, declick, b)) < 0) {
+ stop_transport ();
+ return -1;
+ }
+
+ if (b) {
+ need_butler = true;
+ }
}
}
-*/
+
return 0;
}
+/** @param need_butler to be set to true by this method if it needs the butler,
+ * otherwise it must be left alone.
+ */
int
Session::silent_process_routes (pframes_t nframes, bool& need_butler)
{
- bool record_active = actively_recording();
- int declick = get_transport_declick_required();
- bool rec_monitors = get_rec_monitors_input();
boost::shared_ptr<RouteList> r = routes.reader ();
- if (transport_sub_state & StopPendingCapture) {
- /* force a declick out */
- declick = -1;
- }
-
const framepos_t start_frame = _transport_frame;
const framepos_t end_frame = _transport_frame + lrintf(nframes * _transport_speed);
- route_graph->silent_process_routes( nframes, start_frame, end_frame, record_active, rec_monitors, need_butler);
-/*
- for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
+ if (_process_graph) {
+ _process_graph->silent_process_routes (nframes, start_frame, end_frame, need_butler);
+ } else {
+ for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
- int ret;
+ int ret;
- if ((*i)->is_hidden()) {
- continue;
- }
+ if ((*i)->is_hidden()) {
+ continue;
+ }
- if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, record_active, rec_monitors, need_butler)) < 0) {
- stop_transport ();
- return -1;
+ bool b = false;
+
+ if ((ret = (*i)->silent_roll (nframes, start_frame, end_frame, b)) < 0) {
+ stop_transport ();
+ return -1;
+ }
+
+ if (b) {
+ need_butler = true;
+ }
}
}
-*/
+
return 0;
}
void
Session::process_with_events (pframes_t nframes)
{
+ PT_TIMING_CHECK (3);
+
SessionEvent* ev;
pframes_t this_nframes;
framepos_t end_frame;
bool session_needs_butler = false;
- framepos_t stop_limit;
framecnt_t frames_moved;
/* make sure the auditioner is silent */
process_event (ev);
}
- /* Events caused a transport change, send an MTC Full Frame (Timecode) message.
- * This is sent whether rolling or not, to give slaves an idea of ardour time
- * on locates (and allow slow slaves to position and prepare for rolling)
+ /* Decide on what to do with quarter-frame MTC during this cycle */
+
+ bool const was_sending_qf_mtc = _send_qf_mtc;
+ double const tolerance = Config->get_mtc_qf_speed_tolerance() / 100.0;
+
+ if (_transport_speed != 0) {
+ _send_qf_mtc = (
+ Config->get_send_mtc () &&
+ _transport_speed >= (1 - tolerance) &&
+ _transport_speed <= (1 + tolerance)
+ );
+
+ if (_send_qf_mtc && !was_sending_qf_mtc) {
+ /* we will re-start quarter-frame MTC this cycle, so send a full update to set things up */
+ _send_timecode_update = true;
+ }
+
+ if (Config->get_send_mtc() && !_send_qf_mtc && _pframes_since_last_mtc > (frame_rate () / 4)) {
+ /* we're sending MTC, but we're not sending QF MTC at the moment, and it's been
+ a quarter of a second since we sent anything at all, so send a full MTC update
+ this cycle.
+ */
+ _send_timecode_update = true;
+ }
+
+ _pframes_since_last_mtc += nframes;
+ }
+
+ /* Events caused a transport change (or we re-started sending
+ * MTC), so send an MTC Full Frame (Timecode) message. This
+ * is sent whether rolling or not, to give slaves an idea of
+ * ardour time on locates (and allow slow slaves to position
+ * and prepare for rolling)
*/
if (_send_timecode_update) {
send_full_time_code (_transport_frame);
}
if (!_exporting && !timecode_transmission_suspended()) {
- send_midi_time_code_for_cycle (nframes);
+ send_midi_time_code_for_cycle (_transport_frame, end_frame, nframes);
}
- if (actively_recording()) {
- stop_limit = max_framepos;
- } else {
-
- if (Config->get_stop_at_session_end()) {
- stop_limit = current_end_frame();
- } else {
- stop_limit = max_framepos;
- }
- }
+ framepos_t stop_limit = compute_stop_limit ();
if (maybe_stop (stop_limit)) {
no_roll (nframes);
/* this is necessary to handle the case of seamless looping */
end_frame = _transport_frame + floor (nframes * _transport_speed);
-
}
set_next_event ();
DEBUG_TRACE (DEBUG::Slave, string_compose ("slave state %1 @ %2 speed %3 cur delta %4 avg delta %5\n",
_slave_state, slave_transport_frame, slave_speed, this_delta, average_slave_delta));
-
+
if (_slave_state == Running && !_slave->is_always_synced() && !config.get_timecode_source_is_synced()) {
slave_speed,
_transport_speed,
_transport_frame,
- slave_transport_frame,
+ slave_transport_frame,
average_slave_delta));
}
#endif
-
+
if (_slave->give_slave_full_control_over_transport_speed()) {
set_transport_speed (slave_speed, false, false);
//std::cout << "set speed = " << slave_speed << "\n";
delta, adjusted_speed, adjusted_speed/slave_speed, _transport_speed,
slave_speed));
}
-
+
#if 1
if ((framecnt_t) abs(average_slave_delta) > _slave->resolution()) {
cerr << "average slave delta greater than slave resolution (" << _slave->resolution() << "), going to silent motion\n";
}
void
-Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t this_delta)
+Session::track_slave_state (float slave_speed, framepos_t slave_transport_frame, framecnt_t /*this_delta*/)
{
if (slave_speed != 0.0f) {
memset (delta_accumulator, 0, sizeof (int32_t) * delta_accumulator_size);
average_slave_delta = 0L;
- this_delta = 0;
}
}
if (_transport_speed != 0.0f) {
DEBUG_TRACE (DEBUG::Slave, string_compose ("slave stops transport: %1 frame %2 tf %3\n", slave_speed, slave_transport_frame, _transport_frame));
- stop_transport();
+ stop_transport ();
}
if (slave_transport_frame != _transport_frame) {
} else {
increment_transport_position (frames_moved);
}
-
- framepos_t stop_limit;
-
- if (actively_recording()) {
- stop_limit = max_framepos;
- } else {
- if (Config->get_stop_at_session_end()) {
- stop_limit = current_end_frame();
- } else {
- stop_limit = max_framepos;
- }
- }
+ framepos_t const stop_limit = compute_stop_limit ();
maybe_stop (stop_limit);
}
}
Session::process_without_events (pframes_t nframes)
{
bool session_needs_butler = false;
- framepos_t stop_limit;
framecnt_t frames_moved;
if (!process_can_proceed()) {
return;
}
- if (!_exporting && !timecode_transmission_suspended()) {
- send_midi_time_code_for_cycle (nframes);
+ if (_transport_speed == 1.0) {
+ frames_moved = (framecnt_t) nframes;
+ } else {
+ interpolation.set_target_speed (fabs(_target_transport_speed));
+ interpolation.set_speed (fabs(_transport_speed));
+ frames_moved = (framecnt_t) interpolation.interpolate (0, nframes, 0, 0);
}
- if (actively_recording()) {
- stop_limit = max_framepos;
- } else {
- if (Config->get_stop_at_session_end()) {
- stop_limit = current_end_frame();
- } else {
- stop_limit = max_framepos;
- }
+ if (!_exporting && !timecode_transmission_suspended()) {
+ send_midi_time_code_for_cycle (_transport_frame, _transport_frame + frames_moved, nframes);
}
+ framepos_t const stop_limit = compute_stop_limit ();
+
if (maybe_stop (stop_limit)) {
fail_roll (nframes);
return;
click (_transport_frame, nframes);
- if (_transport_speed == 1.0) {
- frames_moved = (framecnt_t) nframes;
- } else {
- interpolation.set_target_speed (fabs(_target_transport_speed));
- interpolation.set_speed (fabs(_transport_speed));
- frames_moved = (framecnt_t) interpolation.interpolate (0, nframes, 0, 0);
- }
-
if (process_routes (nframes, session_needs_butler)) {
fail_roll (nframes);
return;
get_track_statistics ();
+ /* XXX: I'm not sure whether this is correct, but at least it
+ matches process_with_events, so that this new frames_moved
+ is -ve when transport speed is -ve. This means that the
+ transport position is updated correctly when we are in
+ reverse. It seems a bit wrong that we're not using the
+ interpolator to compute this.
+ */
+
+ frames_moved = (framecnt_t) floor (_transport_speed * nframes);
+
if (frames_moved < 0) {
decrement_transport_position (-frames_moved);
} else {
_butler->summon ();
}
- /* if using a monitor section, run it because otherwise we don't hear anything */
+ /* if using a monitor section, run it because otherwise we don't hear anything */
+
+ if (auditioner->needs_monitor()) {
+ _monitor_out->passthru (_transport_frame, _transport_frame + nframes, nframes, false);
+ }
- if (auditioner->needs_monitor()) {
- _monitor_out->passthru (_transport_frame, _transport_frame + nframes, nframes, false);
- }
-
/* handle pending events */
while (pending_events.read (&ev, 1) == 1) {
no_roll (sync_offset);
nframes -= sync_offset;
- AudioPort::increment_port_offset (sync_offset);
+ Port::increment_global_port_buffer_offset (sync_offset);
waiting_for_sync_offset = false;
if (nframes == 0) {
del = false;
break;
+ case SessionEvent::AutoLoopDeclick:
+ if (play_loop) {
+ /* Request a declick fade-out and a fade-in; the fade-out will happen
+ at the end of the loop, and the fade-in at the start.
+ */
+ transport_sub_state |= (PendingLoopDeclickOut | PendingLoopDeclickIn);
+ }
+ remove = false;
+ del = false;
+ break;
+
case SessionEvent::Locate:
if (ev->yes_or_no) {
// cerr << "forced locate to " << ev->target_frame << endl;
del = false; // other side of RT request needs to clean up
break;
- case SessionEvent::AdjustPlaybackBuffering:
- schedule_playback_buffering_adjustment ();
- break;
+ case SessionEvent::AdjustPlaybackBuffering:
+ schedule_playback_buffering_adjustment ();
+ break;
- case SessionEvent::AdjustCaptureBuffering:
- schedule_capture_buffering_adjustment ();
- break;
+ case SessionEvent::AdjustCaptureBuffering:
+ schedule_capture_buffering_adjustment ();
+ break;
case SessionEvent::SetTimecodeTransmission:
g_atomic_int_set (&_suspend_timecode_transmission, ev->yes_or_no ? 0 : 1);
}
}
+framepos_t
+Session::compute_stop_limit () const
+{
+ if (!Config->get_stop_at_session_end ()) {
+ return max_framepos;
+ }
+
+ bool const punching_in = (config.get_punch_in () && _locations->auto_punch_location());
+ bool const punching_out = (config.get_punch_out () && _locations->auto_punch_location());
+
+ if (actively_recording ()) {
+ /* permanently recording */
+ return max_framepos;
+ } else if (punching_in && !punching_out) {
+ /* punching in but never out */
+ return max_framepos;
+ } else if (punching_in && punching_out && _locations->auto_punch_location()->end() > current_end_frame()) {
+ /* punching in and punching out after session end */
+ return max_framepos;
+ }
+
+ return current_end_frame ();
+}
projects / ardour.git / blobdiff