-
/*
Copyright (C) 1999-2002 Paul Davis
#include "midi++/mmc.h"
#include "midi++/port.h"
#include "midi++/manager.h"
+
#include "pbd/error.h"
#include "pbd/pthread_utils.h"
-#include "ardour/configuration.h"
-#include "ardour/debug.h"
-#include "ardour/audioengine.h"
-#include "ardour/session.h"
+#include "timecode/time.h"
+
#include "ardour/audio_track.h"
+#include "ardour/audioengine.h"
+#include "ardour/debug.h"
#include "ardour/midi_track.h"
#include "ardour/midi_ui.h"
-#include "ardour/audio_diskstream.h"
+#include "ardour/session.h"
#include "ardour/slave.h"
-#include "ardour/cycles.h"
-#include "ardour/timecode.h"
#include "i18n.h"
}
void
-Session::spp_start (Parser &, nframes_t /*timestamp*/)
+Session::spp_start ()
{
- if (Config->get_mmc_control() && (!config.get_external_sync() || config.get_sync_source() != JACK)) {
+ if (Config->get_mmc_control ()) {
request_transport_speed (1.0);
}
}
void
-Session::spp_continue (Parser& ignored, nframes_t timestamp)
+Session::spp_continue ()
{
- spp_start (ignored, timestamp);
+ spp_start ();
}
void
-Session::spp_stop (Parser&, nframes_t /*timestamp*/)
+Session::spp_stop ()
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
request_stop ();
}
}
void
Session::mmc_deferred_play (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control() && (!config.get_external_sync() || (config.get_sync_source() != JACK))) {
+ if (Config->get_mmc_control ()) {
request_transport_speed (1.0);
}
}
void
Session::mmc_record_pause (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
maybe_enable_record();
}
}
void
Session::mmc_record_exit (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
disable_record (false);
}
}
void
Session::mmc_stop (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
request_stop ();
}
}
void
Session::mmc_pause (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
/* We support RECORD_PAUSE, so the spec says that
we must interpret PAUSE like RECORD_PAUSE if
void
Session::mmc_step (MIDI::MachineControl &/*mmc*/, int steps)
{
- if (!Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
return;
}
<< endl;
#endif
- request_transport_speed (step_speed);
+ request_transport_speed_nonzero (step_speed);
last_mmc_step = now;
if (!step_queued) {
void
Session::mmc_rewind (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
request_transport_speed(-8.0f);
}
}
void
Session::mmc_fast_forward (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control()) {
+ if (Config->get_mmc_control ()) {
request_transport_speed(8.0f);
}
}
void
Session::mmc_locate (MIDI::MachineControl &/*mmc*/, const MIDI::byte* mmc_tc)
{
- if (!Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
return;
}
void
Session::mmc_shuttle (MIDI::MachineControl &/*mmc*/, float speed, bool forw)
{
- if (!Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
return;
}
}
if (forw) {
- request_transport_speed (speed);
+ request_transport_speed_nonzero (speed);
} else {
- request_transport_speed (-speed);
+ request_transport_speed_nonzero (-speed);
}
}
void
Session::mmc_record_enable (MIDI::MachineControl &mmc, size_t trk, bool enabled)
{
- if (Config->get_mmc_control()) {
+ if (!Config->get_mmc_control ()) {
+ return;
+ }
- RouteList::iterator i;
- boost::shared_ptr<RouteList> r = routes.reader();
+ RouteList::iterator i;
+ boost::shared_ptr<RouteList> r = routes.reader();
- for (i = r->begin(); i != r->end(); ++i) {
- AudioTrack *at;
+ for (i = r->begin(); i != r->end(); ++i) {
+ AudioTrack *at;
- if ((at = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
- if (trk == at->remote_control_id()) {
- at->set_record_enabled (enabled, &mmc);
- break;
- }
+ if ((at = dynamic_cast<AudioTrack*>((*i).get())) != 0) {
+ if (trk == at->remote_control_id()) {
+ at->set_record_enabled (enabled, &mmc);
+ break;
}
}
}
* @param t time to send.
*/
int
-Session::send_full_time_code (nframes64_t const t)
+Session::send_full_time_code (framepos_t const t)
{
/* This function could easily send at a given frame offset, but would
* that be useful? Does ardour do sub-block accurate locating? [DR] */
_send_timecode_update = false;
- if (!session_send_mtc || _slave) {
+ if (_engine.freewheeling() || !Config->get_send_mtc() || _slave) {
return 0;
}
if (((mtc_timecode_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_timecode_time.frames % 2)) {
// start MTC quarter frame transmission on an even frame
Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
- outbound_mtc_timecode_frame += (nframes_t) _frames_per_timecode_frame;
+ outbound_mtc_timecode_frame += _frames_per_timecode_frame;
}
// Compensate for audio latency
- outbound_mtc_timecode_frame += _worst_output_latency;
+ outbound_mtc_timecode_frame += worst_playback_latency();
next_quarter_frame_to_send = 0;
// Sync slave to the same Timecode time as we are on
return -1;
}
+ _pframes_since_last_mtc = 0;
return 0;
}
/** Send MTC (quarter-frame) messages for this cycle.
- * Must be called exactly once per cycle from the audio thread. Realtime safe.
+ * 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
* 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(nframes_t nframes)
+Session::send_midi_time_code_for_cycle (framepos_t start_frame, framepos_t end_frame, pframes_t nframes)
{
- if (_slave || !session_send_mtc || transmitting_timecode_time.negative || (next_quarter_frame_to_send < 0)) {
+ if (_engine.freewheeling() || _slave || !_send_qf_mtc || transmitting_timecode_time.negative || (next_quarter_frame_to_send < 0)) {
// cerr << "(MTC) Not sending MTC\n";
return 0;
}
assert (next_quarter_frame_to_send <= 7);
/* Duration of one quarter frame */
- nframes_t quarter_frame_duration = ((nframes_t) _frames_per_timecode_frame) >> 2;
+ framecnt_t const quarter_frame_duration = ((framecnt_t) _frames_per_timecode_frame) >> 2;
- DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 NQ %3 FD %4\n", _transport_frame, outbound_mtc_timecode_frame,
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 NQ %3 FD %4\n", start_frame, outbound_mtc_timecode_frame,
next_quarter_frame_to_send, quarter_frame_duration));
- assert((outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration))
- >= _transport_frame);
-
+ assert ((outbound_mtc_timecode_frame + (next_quarter_frame_to_send * quarter_frame_duration)) >= _transport_frame);
- // Send quarter frames for this cycle
- while (_transport_frame + nframes > (outbound_mtc_timecode_frame +
- (next_quarter_frame_to_send * quarter_frame_duration))) {
+ /* Send quarter frames for this cycle */
+ while (end_frame > (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));
switch (next_quarter_frame_to_send) {
case 0:
- mtc_msg[1] = 0x00 | (transmitting_timecode_time.frames & 0xf);
+ mtc_msg[1] = 0x00 | (transmitting_timecode_time.frames & 0xf);
break;
case 1:
- mtc_msg[1] = 0x10 | ((transmitting_timecode_time.frames & 0xf0) >> 4);
+ mtc_msg[1] = 0x10 | ((transmitting_timecode_time.frames & 0xf0) >> 4);
break;
case 2:
- mtc_msg[1] = 0x20 | (transmitting_timecode_time.seconds & 0xf);
+ mtc_msg[1] = 0x20 | (transmitting_timecode_time.seconds & 0xf);
break;
case 3:
- mtc_msg[1] = 0x30 | ((transmitting_timecode_time.seconds & 0xf0) >> 4);
+ mtc_msg[1] = 0x30 | ((transmitting_timecode_time.seconds & 0xf0) >> 4);
break;
case 4:
- mtc_msg[1] = 0x40 | (transmitting_timecode_time.minutes & 0xf);
+ mtc_msg[1] = 0x40 | (transmitting_timecode_time.minutes & 0xf);
break;
case 5:
mtc_msg[1] = 0x50 | ((transmitting_timecode_time.minutes & 0xf0) >> 4);
break;
case 6:
- mtc_msg[1] = 0x60 | ((mtc_timecode_bits|transmitting_timecode_time.hours) & 0xf);
+ mtc_msg[1] = 0x60 | ((mtc_timecode_bits | transmitting_timecode_time.hours) & 0xf);
break;
case 7:
- mtc_msg[1] = 0x70 | (((mtc_timecode_bits|transmitting_timecode_time.hours) & 0xf0) >> 4);
+ mtc_msg[1] = 0x70 | (((mtc_timecode_bits | transmitting_timecode_time.hours) & 0xf0) >> 4);
break;
}
- const nframes_t msg_time = (outbound_mtc_timecode_frame
- + (quarter_frame_duration * next_quarter_frame_to_send));
+ const framepos_t msg_time = 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 >= _transport_frame);
- assert(msg_time < _transport_frame + nframes);
+ assert (msg_time >= start_frame);
+ assert (msg_time < end_frame);
- nframes_t out_stamp = msg_time - _transport_frame;
- assert(out_stamp < nframes);
+ /* convert from session frames back to JACK frames using the transport speed */
+ pframes_t const out_stamp = (msg_time - start_frame) / _transport_speed;
+ assert (out_stamp < nframes);
if (MIDI::Manager::instance()->mtc_output_port()->midimsg (mtc_msg, 2, out_stamp)) {
error << string_compose(_("Session: cannot send quarter-frame MTC message (%1)"), strerror (errno))
// Wrap quarter frame counter
next_quarter_frame_to_send = 0;
// Increment timecode time twice
- Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() );
- Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() );
+ Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
+ Timecode::increment (transmitting_timecode_time, config.get_subframes_per_frame());
// Re-calculate timing of first quarter frame
//timecode_to_sample( transmitting_timecode_time, outbound_mtc_timecode_frame, true /* use_offset */, false );
outbound_mtc_timecode_frame += 8 * quarter_frame_duration;
/* slow it down */
- request_transport_speed (_transport_speed * 0.75);
+ request_transport_speed_nonzero (_transport_speed * 0.75);
return true;
}
-/*---------------------------------------------------------------------------
- MIDI THREAD
- ---------------------------------------------------------------------------*/
-
int
Session::start_midi_thread ()
{
return 0;
}
-void
-Session::terminate_midi_thread ()
-{
- if (midi_control_ui) {
- midi_control_ui->quit ();
- }
-}
-
-
projects / ardour.git / blobdiff