#include "pbd/pthread_utils.h"
#include "ardour/configuration.h"
+#include "ardour/debug.h"
#include "ardour/audioengine.h"
#include "ardour/session.h"
#include "ardour/audio_track.h"
#include "ardour/audio_diskstream.h"
#include "ardour/slave.h"
#include "ardour/cycles.h"
-#include "ardour/smpte.h"
+#include "ardour/timecode.h"
#include "i18n.h"
void
Session::setup_midi_control ()
{
- outbound_mtc_smpte_frame = 0;
+ outbound_mtc_timecode_frame = 0;
next_quarter_frame_to_send = 0;
/* setup the MMC buffer */
void
Session::spp_start (Parser &, nframes_t /*timestamp*/)
{
- if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) {
+ if (Config->get_mmc_control() && (!config.get_external_sync() || config.get_sync_source() != JACK)) {
request_transport_speed (1.0);
}
}
request_stop ();
}
}
-/*
-void
-Session::midi_clock_start (Parser& ignored, nframes_t timestamp)
-{
- if (Config->get_slave_source() == MIDIClock) {
- request_transport_speed (1.0);
- }
-}
-
-void
-Session::midi_clock_continue (Parser& parser, nframes_t timestamp)
-{
- midi_clock_start (parser, 0);
-}
-
-void
-Session::midi_clock_stop (Parser& ignored, nframes_t timestamp)
-{
- if (Config->get_slave_source() == MIDIClock) {
- request_stop ();
- }
-}
-*/
void
Session::mmc_deferred_play (MIDI::MachineControl &/*mmc*/)
{
- if (Config->get_mmc_control() && (Config->get_slave_source() != MTC)) {
+ if (Config->get_mmc_control() && (!config.get_external_sync() || (config.get_sync_source() != JACK))) {
request_transport_speed (1.0);
}
}
}
double diff_secs = diff.tv_sec + (diff.tv_usec / 1000000.0);
- double cur_speed = (((steps * 0.5) * smpte_frames_per_second()) / diff_secs) / smpte_frames_per_second();
+ double cur_speed = (((steps * 0.5) * timecode_frames_per_second()) / diff_secs) / timecode_frames_per_second();
if (_transport_speed == 0 || cur_speed * _transport_speed < 0) {
/* change direction */
}
nframes_t target_frame;
- SMPTE::Time smpte;
+ Timecode::Time timecode;
- smpte.hours = mmc_tc[0] & 0xf;
- smpte.minutes = mmc_tc[1];
- smpte.seconds = mmc_tc[2];
- smpte.frames = mmc_tc[3];
- smpte.rate = smpte_frames_per_second();
- smpte.drop = smpte_drop_frames();
+ timecode.hours = mmc_tc[0] & 0xf;
+ timecode.minutes = mmc_tc[1];
+ timecode.seconds = mmc_tc[2];
+ timecode.frames = mmc_tc[3];
+ timecode.rate = timecode_frames_per_second();
+ timecode.drop = timecode_drop_frames();
- // Also takes smpte offset into account:
- smpte_to_sample( smpte, target_frame, true /* use_offset */, false /* use_subframes */ );
+ // Also takes timecode offset into account:
+ timecode_to_sample( timecode, target_frame, true /* use_offset */, false /* use_subframes */ );
if (target_frame > max_frames) {
target_frame = max_frames;
poke_midi_thread ();
}
-/** Send MTC Full Frame message (complete SMPTE time) for the start of this cycle.
+/** Send MTC Full Frame message (complete Timecode time) for the start of this cycle.
* This resets the MTC code, the next quarter frame message that is sent will be
* the first one with the beginning of this cycle as the new start point.
*/
* that be useful? Does ardour do sub-block accurate locating? [DR] */
MIDI::byte msg[10];
- SMPTE::Time smpte;
+ Timecode::Time timecode;
- _send_smpte_update = false;
+ _send_timecode_update = false;
if (_mtc_port == 0 || !session_send_mtc) {
return 0;
}
- // Get smpte time for this transport frame
- sample_to_smpte(_transport_frame, smpte, true /* use_offset */, false /* no subframes */);
+ // Get timecode time for this transport frame
+ sample_to_timecode(_transport_frame, timecode, true /* use_offset */, false /* no subframes */);
- transmitting_smpte_time = smpte;
- outbound_mtc_smpte_frame = _transport_frame;
+ transmitting_timecode_time = timecode;
+ outbound_mtc_timecode_frame = _transport_frame;
// I don't understand this bit yet.. [DR]
- if (((mtc_smpte_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_smpte_time.frames % 2)) {
+ if (((mtc_timecode_bits >> 5) != MIDI::MTC_25_FPS) && (transmitting_timecode_time.frames % 2)) {
// start MTC quarter frame transmission on an even frame
- SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() );
- outbound_mtc_smpte_frame += (nframes_t) _frames_per_smpte_frame;
+ Timecode::increment( transmitting_timecode_time, config.get_subframes_per_frame() );
+ outbound_mtc_timecode_frame += (nframes_t) _frames_per_timecode_frame;
}
// Compensate for audio latency
- outbound_mtc_smpte_frame += _worst_output_latency;
+ outbound_mtc_timecode_frame += _worst_output_latency;
next_quarter_frame_to_send = 0;
- // Sync slave to the same SMPTE time as we are on
+ // Sync slave to the same Timecode time as we are on
msg[0] = 0xf0;
msg[1] = 0x7f;
msg[2] = 0x7f;
msg[4] = 0x1;
msg[9] = 0xf7;
- msg[5] = mtc_smpte_bits | smpte.hours;
- msg[6] = smpte.minutes;
- msg[7] = smpte.seconds;
- msg[8] = smpte.frames;
+ msg[5] = mtc_timecode_bits | timecode.hours;
+ msg[6] = timecode.minutes;
+ msg[7] = timecode.seconds;
+ msg[8] = timecode.frames;
- cerr << "MTC: Sending full time code at " << outbound_mtc_smpte_frame << endl;
+ cerr << "MTC: Sending full time code at " << outbound_mtc_timecode_frame << endl;
// Send message at offset 0, sent time is for the start of this cycle
if (_mtc_port->midimsg (msg, sizeof (msg), 0)) {
/** Send MTC (quarter-frame) messages for this cycle.
* Must be called exactly once per cycle from the audio thread. Realtime safe.
- * This function assumes the state of full SMPTE is sane, eg. the slave is
+ * 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 SMPTE time messages that needed to be sent should have been sent
+ * full MTC Timecode time messages that needed to be sent should have been sent
* earlier already this cycle by send_full_time_code)
*/
int
assert (next_quarter_frame_to_send >= 0);
assert (next_quarter_frame_to_send <= 7);
- if (_mtc_port == 0 || !session_send_mtc || transmitting_smpte_time.negative
+ if (_mtc_port == 0 || !session_send_mtc || transmitting_timecode_time.negative
/*|| (next_quarter_frame_to_send < 0)*/ ) {
// cerr << "(MTC) Not sending MTC\n";
return 0;
}
/* Duration of one quarter frame */
- nframes_t quarter_frame_duration = ((long) _frames_per_smpte_frame) >> 2;
+ nframes_t quarter_frame_duration = ((long) _frames_per_timecode_frame) >> 2;
- // cerr << "(MTC) TR: " << _transport_frame << " - SF: " << outbound_mtc_smpte_frame
- // << " - NQ: " << next_quarter_frame_to_send << " - FD" << quarter_frame_duration << endl;
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("TF %1 SF %2 NQ %3 FD %\4n", _transport_frame, outbound_mtc_timecode_frame,
+ next_quarter_frame_to_send, quarter_frame_duration));
// FIXME: this should always be true
- //assert((outbound_mtc_smpte_frame + (next_quarter_frame_to_send * quarter_frame_duration))
+ //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_smpte_frame +
+ while (_transport_frame + nframes > (outbound_mtc_timecode_frame +
(next_quarter_frame_to_send * quarter_frame_duration))) {
- // cerr << "(MTC) Next frame to send: " << next_quarter_frame_to_send << endl;
+ 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_smpte_time.frames & 0xf);
+ mtc_msg[1] = 0x00 | (transmitting_timecode_time.frames & 0xf);
break;
case 1:
- mtc_msg[1] = 0x10 | ((transmitting_smpte_time.frames & 0xf0) >> 4);
+ mtc_msg[1] = 0x10 | ((transmitting_timecode_time.frames & 0xf0) >> 4);
break;
case 2:
- mtc_msg[1] = 0x20 | (transmitting_smpte_time.seconds & 0xf);
+ mtc_msg[1] = 0x20 | (transmitting_timecode_time.seconds & 0xf);
break;
case 3:
- mtc_msg[1] = 0x30 | ((transmitting_smpte_time.seconds & 0xf0) >> 4);
+ mtc_msg[1] = 0x30 | ((transmitting_timecode_time.seconds & 0xf0) >> 4);
break;
case 4:
- mtc_msg[1] = 0x40 | (transmitting_smpte_time.minutes & 0xf);
+ mtc_msg[1] = 0x40 | (transmitting_timecode_time.minutes & 0xf);
break;
case 5:
- mtc_msg[1] = 0x50 | ((transmitting_smpte_time.minutes & 0xf0) >> 4);
+ mtc_msg[1] = 0x50 | ((transmitting_timecode_time.minutes & 0xf0) >> 4);
break;
case 6:
- mtc_msg[1] = 0x60 | ((mtc_smpte_bits|transmitting_smpte_time.hours) & 0xf);
+ mtc_msg[1] = 0x60 | ((mtc_timecode_bits|transmitting_timecode_time.hours) & 0xf);
break;
case 7:
- mtc_msg[1] = 0x70 | (((mtc_smpte_bits|transmitting_smpte_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_smpte_frame
+ const nframes_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
return -1;
}
- /*cerr << "(MTC) SMPTE: " << transmitting_smpte_time.hours
- << ":" << transmitting_smpte_time.minutes
- << ":" << transmitting_smpte_time.seconds
- << ":" << transmitting_smpte_time.frames
- << ", qfm = " << next_quarter_frame_to_send
- << ", stamp = " << out_stamp
- << ", delta = " << _transport_frame + out_stamp - last_time << endl;*/
+ DEBUG_STR_SET(foo,"sending ");
+ DEBUG_STR(foo) << transmitting_timecode_time;
+ DEBUG_TRACE (DEBUG::MTC, string_compose ("%1 qfm = %2, stamp = %3\n", DEBUG_STR(foo).str(), next_quarter_frame_to_send,
+ out_stamp));
// Increment quarter frame counter
next_quarter_frame_to_send++;
if (next_quarter_frame_to_send >= 8) {
// Wrap quarter frame counter
next_quarter_frame_to_send = 0;
- // Increment smpte time twice
- SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() );
- SMPTE::increment( transmitting_smpte_time, config.get_subframes_per_frame() );
+ // Increment timecode time twice
+ 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
- //smpte_to_sample( transmitting_smpte_time, outbound_mtc_smpte_frame, true /* use_offset */, false );
- outbound_mtc_smpte_frame += 8 * quarter_frame_duration;
+ //timecode_to_sample( transmitting_timecode_time, outbound_mtc_timecode_frame, true /* use_offset */, false );
+ outbound_mtc_timecode_frame += 8 * quarter_frame_duration;
// Compensate for audio latency
- outbound_mtc_smpte_frame += _worst_output_latency;
+ outbound_mtc_timecode_frame += _worst_output_latency;
}
}
{
using namespace MIDI;
int nbytes = 4;
- SMPTE::Time smpte;
+ Timecode::Time timecode;
if (_mmc_port == 0 || !session_send_mmc) {
// cerr << "Not delivering MMC " << _mmc_port << " - " << session_send_mmc << endl;
switch (cmd) {
case MachineControl::cmdLocate:
- smpte_time_subframes (where, smpte);
+ timecode_time_subframes (where, timecode);
mmc_buffer[nbytes++] = 0x6; // byte count
mmc_buffer[nbytes++] = 0x1; // "TARGET" subcommand
- mmc_buffer[nbytes++] = smpte.hours;
- mmc_buffer[nbytes++] = smpte.minutes;
- mmc_buffer[nbytes++] = smpte.seconds;
- mmc_buffer[nbytes++] = smpte.frames;
- mmc_buffer[nbytes++] = smpte.subframes;
+ mmc_buffer[nbytes++] = timecode.hours;
+ mmc_buffer[nbytes++] = timecode.minutes;
+ mmc_buffer[nbytes++] = timecode.seconds;
+ mmc_buffer[nbytes++] = timecode.frames;
+ mmc_buffer[nbytes++] = timecode.subframes;
break;
case MachineControl::cmdStop: