/*
- Copyright (C) 1999-2002 Paul Davis
+ Copyright (C) 1999-2002 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
#include <iostream>
#include <cmath>
#include <unistd.h>
-#include <ardour/timestamps.h>
+#include "ardour/timestamps.h"
-#include <pbd/error.h>
-#include <pbd/enumwriter.h>
-#include <pbd/stacktrace.h>
+#include "pbd/error.h"
+#include "pbd/enumwriter.h"
+#include "pbd/stacktrace.h"
-#include <ardour/ardour.h>
-#include <ardour/configuration.h>
-#include <ardour/audioengine.h>
-#include <ardour/session.h>
-#include <ardour/tempo.h>
+#include "ardour/ardour.h"
+#include "ardour/configuration.h"
+#include "ardour/audioengine.h"
+#include "ardour/session.h"
+#include "ardour/tempo.h"
#include "i18n.h"
+using namespace std;
using namespace ARDOUR;
using namespace PBD;
float
Session::smpte_frames_per_second() const
{
- switch (Config->get_smpte_format()) {
- case smpte_23976:
+ switch (config.get_smpte_format()) {
+ case smpte_23976:
return 23.976;
break;
- case smpte_24:
+ case smpte_24:
return 24;
break;
- case smpte_24976:
+ case smpte_24976:
return 24.976;
break;
- case smpte_25:
+ case smpte_25:
return 25;
break;
- case smpte_2997:
+ case smpte_2997:
return 29.97;
break;
- case smpte_2997drop:
+ case smpte_2997drop:
return 29.97;
break;
- case smpte_30:
+ case smpte_30:
return 30;
break;
- case smpte_30drop:
+ case smpte_30drop:
return 30;
break;
- case smpte_5994:
+ case smpte_5994:
return 59.94;
break;
- case smpte_60:
+ case smpte_60:
return 60;
break;
bool
Session::smpte_drop_frames() const
{
- switch (Config->get_smpte_format()) {
- case smpte_23976:
+ switch (config.get_smpte_format()) {
+ case smpte_23976:
return false;
break;
- case smpte_24:
+ case smpte_24:
return false;
break;
- case smpte_24976:
+ case smpte_24976:
return false;
break;
- case smpte_25:
+ case smpte_25:
return false;
break;
- case smpte_2997:
+ case smpte_2997:
return false;
break;
- case smpte_2997drop:
+ case smpte_2997drop:
return true;
break;
- case smpte_30:
+ case smpte_30:
return false;
break;
- case smpte_30drop:
+ case smpte_30drop:
return true;
break;
- case smpte_5994:
+ case smpte_5994:
return false;
break;
- case smpte_60:
+ case smpte_60:
return false;
break;
void
Session::sync_time_vars ()
{
- _current_frame_rate = (nframes_t) round (_base_frame_rate * (1.0 + (Config->get_video_pullup()/100.0)));
+ _current_frame_rate = (nframes_t) round (_base_frame_rate * (1.0 + (config.get_video_pullup()/100.0)));
_frames_per_smpte_frame = (double) _current_frame_rate / (double) smpte_frames_per_second();
if (smpte_drop_frames()) {
_frames_per_hour = (long)(107892 * _frames_per_smpte_frame);
};
}
-int
-Session::set_smpte_format (SmpteFormat format)
-{
- /* this will trigger any other changes needed */
- Config->set_smpte_format (format);
- return 0;
-}
-
void
Session::set_smpte_offset (nframes_t off)
{
// approx. 0.2 frames too early. This adds up with 0.2 too early for each minute until we are 1.8
// frames too early at 0:9:0:2 (9 * 0.2 = 1.8). The 10th minute brings us 1.8 frames later again
// (at end of 0:9:59:29), which sums up to 0 (we are back to zero at 0:10:0:0 :-).
- //
+ //
// In table form:
- //
+ //
// SMPTE value frames offset subframes offset seconds (rounded) 44100 sample (rounded)
// 0:00:00:00 0.0 0 0.000 0 (accurate)
// 0:00:59:29 1.8 144 60.027 2647177
nframes_t exceeding_samples = (nframes_t) rint(exceeding_df_frames * _frames_per_smpte_frame);
sample = base_samples + exceeding_samples;
} else {
- /*
- Non drop is easy.. just note the use of
+ /*
+ Non drop is easy.. just note the use of
rint(smpte.rate) * _frames_per_smpte_frame
- (frames per SMPTE second), which is larger than
+ (frames per SMPTE second), which is larger than
frame_rate() in the non-integer SMPTE rate case.
*/
sample = (nframes_t)rint((((smpte.hours * 60 * 60) + (smpte.minutes * 60) + smpte.seconds) * (rint(smpte.rate) * _frames_per_smpte_frame)) + (smpte.frames * _frames_per_smpte_frame));
}
-
+
if (use_subframes) {
- sample += (long) (((double)smpte.subframes * _frames_per_smpte_frame) / Config->get_subframes_per_frame());
+ sample += (long) (((double)smpte.subframes * _frames_per_smpte_frame) / config.get_subframes_per_frame());
}
-
+
if (use_offset) {
if (smpte_offset_negative()) {
if (sample >= smpte_offset()) {
}
}
}
-
+
double smpte_frames_left_exact;
double smpte_frames_fraction;
unsigned long smpte_frames_left;
-
+
// Extract whole hours. Do this to prevent rounding errors with
// high sample numbers in the calculations that follow.
smpte.hours = offset_sample / _frames_per_hour;
// Calculate exact number of (exceeding) smpte frames and fractional frames
smpte_frames_left_exact = (double) offset_sample / _frames_per_smpte_frame;
smpte_frames_fraction = smpte_frames_left_exact - floor( smpte_frames_left_exact );
- smpte.subframes = (long) rint(smpte_frames_fraction * Config->get_subframes_per_frame());
-
+ smpte.subframes = (long) rint(smpte_frames_fraction * config.get_subframes_per_frame());
+
// XXX Not sure if this is necessary anymore...
- if (smpte.subframes == Config->get_subframes_per_frame()) {
+ if (smpte.subframes == config.get_subframes_per_frame()) {
// This can happen with 24 fps (and 29.97 fps ?)
smpte_frames_left_exact = ceil( smpte_frames_left_exact );
smpte.subframes = 0;
exceeding_df_frames -= extra_minutes_minus_1 * 1798; // take away the (extra) minutes just found
smpte.minutes += extra_minutes_minus_1 + 1; // update with exceeding minutes
}
-
+
// Adjust frame numbering for dropped frames (frame 0 and 1 skipped at start of every minute except every 10th)
if (smpte.minutes % 10) {
// Every minute except every 10th
smpte = last_smpte;
return;
}
-
+
sample_to_smpte( when, smpte, true /* use_offset */, true /* use_subframes */ );
last_smpte_when = when;
switch (state) {
case JackTransportStopped:
if (slave && _transport_frame != pos->frame && post_transport_work == 0) {
- request_locate (pos->frame, false);
+ request_locate (pos->frame, false);
// cerr << "SYNC: stopped, locate to " << pos->frame << " from " << _transport_frame << endl;
return false;
} else {
return true;
}
-
+
case JackTransportStarting:
// cerr << "SYNC: starting @ " << pos->frame << " a@ " << _transport_frame << " our work = " << post_transport_work << " pos matches ? " << (_transport_frame == pos->frame) << endl;
if (slave) {
default:
error << string_compose (_("Unknown JACK transport state %1 in sync callback"), state)
<< endmsg;
- }
+ }
return true;
}
void
-Session::jack_timebase_callback (jack_transport_state_t state,
- nframes_t nframes,
+Session::jack_timebase_callback (jack_transport_state_t /*state*/,
+ nframes_t /*nframes*/,
jack_position_t* pos,
- int new_position)
+ int /*new_position*/)
{
BBT_Time bbt;
pos->valid = JackPositionTimecode;
/* BBT info */
-
+
if (_tempo_map) {
TempoMap::Metric metric (_tempo_map->metric_at (_transport_frame));
_tempo_map->bbt_time_with_metric (_transport_frame, bbt, metric);
-
+
pos->bar = bbt.bars;
pos->beat = bbt.beats;
pos->tick = bbt.ticks;
}
- }
+ }
-#endif
+#endif
}
ARDOUR::nframes_t
-Session::convert_to_frames_at (nframes_t position, AnyTime& any)
+Session::convert_to_frames_at (nframes_t /*position*/, AnyTime const & any)
{
double secs;
-
+
switch (any.type) {
case AnyTime::BBT:
return _tempo_map->frame_time ( any.bbt);
secs += any.smpte.minutes * 60;
secs += any.smpte.seconds;
secs += any.smpte.frames / smpte_frames_per_second();
- if (_smpte_offset_negative)
+ if (_smpte_offset_negative)
{
return (nframes_t) floor (secs * frame_rate()) - _smpte_offset;
}
projects / ardour.git / blobdiff