#include "pbd/timersub.h"
#include "pbd/stacktrace.h"
-#include "timecode/time.h"
+#include "temporal/time.h"
#include "ardour/audio_track.h"
#include "ardour/audioengine.h"
#include "ardour/midi_ui.h"
#include "ardour/profile.h"
#include "ardour/session.h"
-#include "ardour/slave.h"
+#include "ardour/transport_master.h"
#include "ardour/ticker.h"
#include "pbd/i18n.h"
outbound_mtc_timecode_frame = 0;
next_quarter_frame_to_send = 0;
- /* Set up the qtr frame message */
+ /* Set up the qtr sample message */
mtc_msg[0] = 0xf1;
mtc_msg[2] = 0xf1;
return;
}
- framepos_t target_frame;
+ samplepos_t target_sample;
Timecode::Time timecode;
timecode.hours = mmc_tc[0] & 0xf;
timecode.drop = timecode_drop_frames();
// Also takes timecode offset into account:
- timecode_to_sample( timecode, target_frame, true /* use_offset */, false /* use_subframes */ );
+ timecode_to_sample( timecode, target_sample, true /* use_offset */, false /* use_subframes */ );
- if (target_frame > max_framepos) {
- target_frame = max_framepos;
+ if (target_sample > max_samplepos) {
+ target_sample = max_samplepos;
}
- /* Some (all?) MTC/MMC devices do not send a full MTC frame
+ /* Some (all?) MTC/MMC devices do not send a full MTC sample
at the end of a locate, instead sending only an MMC
locate command. This causes the current position
of an MTC slave to become out of date. Catch this.
*/
- MTC_Slave* mtcs = dynamic_cast<MTC_Slave*> (_slave);
+ boost::shared_ptr<MTC_TransportMaster> mtcs = boost::dynamic_pointer_cast<MTC_TransportMaster> (transport_master());
- if (mtcs != 0) {
+ if (mtcs) {
// cerr << "Locate *with* MTC slave\n";
mtcs->handle_locate (mmc_tc);
} else {
// cerr << "Locate without MTC slave\n";
- request_locate (target_frame, false);
+ request_locate (target_sample, false);
}
}
* @param t time to send.
*/
int
-Session::send_full_time_code (framepos_t const t, MIDI::pframes_t nframes)
+Session::send_full_time_code (samplepos_t const t, MIDI::pframes_t nframes)
{
- /* This function could easily send at a given frame offset, but would
+ /* This function could easily send at a given sample offset, but would
* that be useful? Does ardour do sub-block accurate locating? [DR] */
MIDI::byte msg[10];
if (_engine.freewheeling() || !Config->get_send_mtc()) {
return 0;
}
- if (_slave && !_slave->locked()) {
+ if (!transport_master()->locked()) {
return 0;
}
sample_to_timecode (t, timecode, true /* use_offset */, false /* no subframes */);
// sample-align outbound to rounded (no subframes) timecode
- framepos_t mtc_tc;
+ samplepos_t mtc_tc;
timecode_to_sample(timecode, mtc_tc, true, false);
outbound_mtc_timecode_frame = mtc_tc;
transmitting_timecode_time = timecode;
LatencyRange mtc_out_latency = {0, 0}; // TODO cache this, update on engine().GraphReordered()
_midi_ports->mtc_output_port ()->get_connected_latency_range (ltc_out_latency, true);
- frameoffset_t mtc_offset = worst_playback_latency() - mtc_out_latency.max;
+ sampleoffset_t mtc_offset = mtc_out_latency.max;
// only if rolling.. ?
outbound_mtc_timecode_frame += mtc_offset;
- // outbound_mtc_timecode_frame needs to be >= _transport_frame
+ // outbound_mtc_timecode_frame needs to be >= _transport_sample
// or a new full timecode will be queued next cycle.
while (outbound_mtc_timecode_frame < t) {
Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
outbound_mtc_timecode_frame += _samples_per_timecode_frame;
}
- double const quarter_frame_duration = ((framecnt_t) _samples_per_timecode_frame) / 4.0;
+ double const quarter_frame_duration = ((samplecnt_t) _samples_per_timecode_frame) / 4.0;
if (ceil((t - mtc_tc) / quarter_frame_duration) > 0) {
Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
outbound_mtc_timecode_frame += _samples_per_timecode_frame;
// I don't understand this bit yet.. [DR]
// I do [rg]:
- // according to MTC spec 24, 30 drop and 30 non-drop TC, the frame-number represented by 8 quarter frames must be even.
+ // according to MTC spec 24, 30 drop and 30 non-drop TC, the sample-number represented by 8 quarter frames must be even.
if (((mtc_timecode_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_timecode_time.frames % 2)) {
- // start MTC quarter frame transmission on an even frame
+ // start MTC quarter frame transmission on an even sample
Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
outbound_mtc_timecode_frame += _samples_per_timecode_frame;
}
/** Send MTC (quarter-frame) messages for this cycle.
* Must be called exactly once per cycle from the process thread. Realtime safe.
* This function assumes the state of full Timecode is sane, eg. the slave is
- * expecting quarter frame messages and has the right frame of reference (any
+ * expecting quarter frame messages and has the right sample of reference (any
* full MTC Timecode time messages that needed to be sent should have been sent
* earlier already this cycle by send_full_time_code)
*/
int
-Session::send_midi_time_code_for_cycle (framepos_t start_frame, framepos_t end_frame, ARDOUR::pframes_t nframes)
+Session::send_midi_time_code_for_cycle (samplepos_t start_sample, samplepos_t end_sample, ARDOUR::pframes_t nframes)
{
- // start_frame == start_frame for normal cycles
- // start_frame > _transport_frame for split cycles
+ // start_sample == start_sample for normal cycles
+ // start_sample > _transport_sample for split cycles
if (_engine.freewheeling() || !_send_qf_mtc || transmitting_timecode_time.negative || (next_quarter_frame_to_send < 0)) {
// cerr << "(MTC) Not sending MTC\n";
return 0;
}
- if (_slave && !_slave->locked()) {
+ if (!transport_master()->locked()) {
return 0;
}
double const quarter_frame_duration = _samples_per_timecode_frame / 4.0;
DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 MT %3 QF %4 QD %5\n",
- _transport_frame, start_frame, outbound_mtc_timecode_frame,
+ _transport_sample, start_sample, outbound_mtc_timecode_frame,
next_quarter_frame_to_send, quarter_frame_duration));
- if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < _transport_frame) {
+ if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < _transport_sample) {
// send full timecode and set outbound_mtc_timecode_frame, next_quarter_frame_to_send
- send_full_time_code (_transport_frame, nframes);
+ send_full_time_code (_transport_sample, nframes);
}
- if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < start_frame) {
+ if (rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) < start_sample) {
// no QF for this cycle
return 0;
}
/* Send quarter frames for this cycle */
- while (end_frame > rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration))) {
+ while (end_sample > rint(outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration))) {
- DEBUG_TRACE (DEBUG::MTC, string_compose ("next frame to send: %1\n", next_quarter_frame_to_send));
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("next sample to send: %1\n", next_quarter_frame_to_send));
switch (next_quarter_frame_to_send) {
case 0:
break;
}
- const framepos_t msg_time = rint(outbound_mtc_timecode_frame + (quarter_frame_duration * next_quarter_frame_to_send));
+ const samplepos_t msg_time = rint(outbound_mtc_timecode_frame + (quarter_frame_duration * next_quarter_frame_to_send));
// This message must fall within this block or something is broken
- assert (msg_time >= start_frame);
- assert (msg_time < end_frame);
+ assert (msg_time >= start_sample);
+ assert (msg_time < end_sample);
- /* convert from session frames back to JACK frames using the transport speed */
- ARDOUR::pframes_t const out_stamp = (msg_time - start_frame) / _transport_speed;
+ /* convert from session samples back to JACK samples using the transport speed */
+ ARDOUR::pframes_t const out_stamp = (msg_time - start_sample) / _transport_speed;
assert (out_stamp < nframes);
MidiBuffer& mb (_midi_ports->mtc_output_port()->get_midi_buffer(nframes));
void
-Session::send_song_position_pointer (framepos_t)
+Session::send_song_position_pointer (samplepos_t)
{
if (midi_clock) {
/* Do nothing for the moment */
return _midi_ports->midi_clock_output_port ();
}
-boost::shared_ptr<MidiPort>
-Session::midi_clock_input_port () const
-{
- return _midi_ports->midi_clock_input_port ();
-}
+
boost::shared_ptr<MidiPort>
Session::mtc_output_port () const
{
return _midi_ports->mtc_output_port ();
}
-boost::shared_ptr<MidiPort>
-Session::mtc_input_port () const
-{
- return _midi_ports->mtc_input_port ();
-}
void
Session::midi_track_presentation_info_changed (PropertyChange const& what_changed, boost::weak_ptr<MidiTrack> mt)
projects / ardour.git / blobdiff