switch from std::auto_ptr<> (deprecated) to boost::scoped_ptr<>
[ardour.git] / libs / ardour / session_time.cc
index 18805afa90b6aba1c239dd336d96d36a25a09c26..e9c6d23a97b6e1b9f34a997903c46bab2e8fa0fe 100644 (file)
@@ -35,7 +35,7 @@
 #include "ardour/session.h"
 #include "ardour/tempo.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -44,9 +44,9 @@ using namespace PBD;
 /* BBT TIME*/
 
 void
-Session::bbt_time (framepos_t when, Timecode::BBT_Time& bbt)
+Session::bbt_time (samplepos_t when, Timecode::BBT_Time& bbt)
 {
-       _tempo_map->bbt_time (when, bbt);
+       bbt = _tempo_map->bbt_at_sample (when);
 }
 
 /* Timecode TIME */
@@ -66,12 +66,12 @@ Session::timecode_drop_frames() const
 void
 Session::sync_time_vars ()
 {
-       _current_frame_rate = (framecnt_t) round (_base_frame_rate * (1.0 + (config.get_video_pullup()/100.0)));
-       _frames_per_timecode_frame = (double) _current_frame_rate / (double) timecode_frames_per_second();
+       _current_sample_rate = (samplecnt_t) round (_nominal_sample_rate * (1.0 + (config.get_video_pullup()/100.0)));
+       _samples_per_timecode_frame = (double) _current_sample_rate / (double) timecode_frames_per_second();
        if (timecode_drop_frames()) {
-         _frames_per_hour = (int32_t)(107892 * _frames_per_timecode_frame);
+         _frames_per_hour = (int32_t)(107892 * _samples_per_timecode_frame);
        } else {
-         _frames_per_hour = (int32_t)(3600 * rint(timecode_frames_per_second()) * _frames_per_timecode_frame);
+         _frames_per_hour = (int32_t)(3600 * rint(timecode_frames_per_second()) * _samples_per_timecode_frame);
        }
        _timecode_frames_per_hour = rint(timecode_frames_per_second() * 3600.0);
 
@@ -99,13 +99,13 @@ Session::sync_time_vars ()
 }
 
 void
-Session::timecode_to_sample( Timecode::Time& timecode, framepos_t& sample, bool use_offset, bool use_subframes ) const
+Session::timecode_to_sample( Timecode::Time& timecode, samplepos_t& sample, bool use_offset, bool use_subframes ) const
 {
        timecode.rate = timecode_frames_per_second();
 
        Timecode::timecode_to_sample(
                timecode, sample, use_offset, use_subframes,
-               _current_frame_rate,
+               _current_sample_rate,
                config.get_subframes_per_frame(),
                config.get_timecode_offset_negative(), config.get_timecode_offset()
                );
@@ -113,14 +113,14 @@ Session::timecode_to_sample( Timecode::Time& timecode, framepos_t& sample, bool
 }
 
 void
-Session::sample_to_timecode (framepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes ) const
+Session::sample_to_timecode (samplepos_t sample, Timecode::Time& timecode, bool use_offset, bool use_subframes ) const
 {
        Timecode::sample_to_timecode (
                sample, timecode, use_offset, use_subframes,
 
                timecode_frames_per_second(),
                timecode_drop_frames(),
-               double(_current_frame_rate),
+               double(_current_sample_rate),
 
                config.get_subframes_per_frame(),
                config.get_timecode_offset_negative(), config.get_timecode_offset()
@@ -128,7 +128,7 @@ Session::sample_to_timecode (framepos_t sample, Timecode::Time& timecode, bool u
 }
 
 void
-Session::timecode_time (framepos_t when, Timecode::Time& timecode)
+Session::timecode_time (samplepos_t when, Timecode::Time& timecode)
 {
        if (last_timecode_valid && when == last_timecode_when) {
                timecode = last_timecode;
@@ -143,7 +143,7 @@ Session::timecode_time (framepos_t when, Timecode::Time& timecode)
 }
 
 void
-Session::timecode_time_subframes (framepos_t when, Timecode::Time& timecode)
+Session::timecode_time_subframes (samplepos_t when, Timecode::Time& timecode)
 {
        if (last_timecode_valid && when == last_timecode_when) {
                timecode = last_timecode;
@@ -158,53 +158,59 @@ Session::timecode_time_subframes (framepos_t when, Timecode::Time& timecode)
 }
 
 void
-Session::timecode_duration (framecnt_t when, Timecode::Time& timecode) const
+Session::timecode_duration (samplecnt_t when, Timecode::Time& timecode) const
 {
        this->sample_to_timecode( when, timecode, false /* use_offset */, true /* use_subframes */ );
 }
 
 void
-Session::timecode_duration_string (char* buf, framepos_t when) const
+Session::timecode_duration_string (char* buf, size_t len, samplepos_t when) const
 {
        Timecode::Time timecode;
 
        timecode_duration (when, timecode);
-       snprintf (buf, sizeof (buf), "%02" PRIu32 ":%02" PRIu32 ":%02" PRIu32 ":%02" PRIu32, timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
+       snprintf (buf, len, "%02" PRIu32 ":%02" PRIu32 ":%02" PRIu32 ":%02" PRIu32, timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
 }
 
 void
 Session::timecode_time (Timecode::Time &t)
 
 {
-       timecode_time (_transport_frame, t);
+       timecode_time (_transport_sample, t);
 }
 
 int
-Session::jack_sync_callback (jack_transport_state_t state,
-                            jack_position_t* pos)
+Session::backend_sync_callback (TransportState state, samplepos_t pos)
 {
-       bool slave = synced_to_jack();
+       bool slave = synced_to_engine();
+       // cerr << "Session::backend_sync_callback() _transport_sample: " << _transport_sample << " pos: " << pos << " audible_sample: " << audible_sample() << endl;
+
+       if (slave) {
+               // cerr << "Session::backend_sync_callback() emitting Located()" << endl;
+               Located (); /* EMIT SIGNAL */
+       }
 
        switch (state) {
-       case JackTransportStopped:
-               if (slave && _transport_frame != pos->frame && post_transport_work() == 0) {
-                       request_locate (pos->frame, false);
-                       // cerr << "SYNC: stopped, locate to " << pos->frame << " from " << _transport_frame << endl;
+       case TransportStopped:
+               if (slave && _transport_sample != pos && post_transport_work() == 0) {
+                       request_locate (pos, false);
+                       // cerr << "SYNC: stopped, locate to " << pos << " from " << _transport_sample << endl;
                        return false;
                } else {
+                       // cerr << "SYNC: stopped, nothing to do" << endl;
                        return true;
                }
 
-       case JackTransportStarting:
-               // cerr << "SYNC: starting @ " << pos->frame << " a@ " << _transport_frame << " our work = " <<  post_transport_work() << " pos matches ? " << (_transport_frame == pos->frame) << endl;
+       case TransportStarting:
+               // cerr << "SYNC: starting @ " << pos << " a@ " << _transport_sample << " our work = " <<  post_transport_work() << " pos matches ? " << (_transport_sample == pos) << endl;
                if (slave) {
-                       return _transport_frame == pos->frame && post_transport_work() == 0;
+                       return _transport_sample == pos && post_transport_work() == 0;
                } else {
                        return true;
                }
                break;
 
-       case JackTransportRolling:
+       case TransportRolling:
                // cerr << "SYNC: rolling slave = " << slave << endl;
                if (slave) {
                        start_transport ();
@@ -212,102 +218,22 @@ Session::jack_sync_callback (jack_transport_state_t state,
                break;
 
        default:
-               error << string_compose (_("Unknown JACK transport state %1 in sync callback"), state)
+               error << string_compose (_("Unknown transport state %1 in sync callback"), state)
                      << endmsg;
        }
 
        return true;
 }
 
-void
-Session::jack_timebase_callback (jack_transport_state_t /*state*/,
-                                pframes_t /*nframes*/,
-                                jack_position_t* pos,
-                                int /*new_position*/)
-{
-       Timecode::BBT_Time bbt;
-
-       /* BBT info */
-
-       if (_tempo_map) {
-
-               TempoMetric metric (_tempo_map->metric_at (_transport_frame));
-
-               try {
-                       _tempo_map->bbt_time_rt (_transport_frame, bbt);
-
-                       pos->bar = bbt.bars;
-                       pos->beat = bbt.beats;
-                       pos->tick = bbt.ticks;
-                       
-                       // XXX still need to set bar_start_tick
-                       
-                       pos->beats_per_bar = metric.meter().divisions_per_bar();
-                       pos->beat_type = metric.meter().note_divisor();
-                       pos->ticks_per_beat = Timecode::BBT_Time::ticks_per_beat;
-                       pos->beats_per_minute = metric.tempo().beats_per_minute();
-                       
-                       pos->valid = jack_position_bits_t (pos->valid | JackPositionBBT);
-
-               } catch (...) {
-                       /* no message */
-               }
-       }
-
-#ifdef HAVE_JACK_VIDEO_SUPPORT
-       //poke audio video ratio so Ardour can track Video Sync
-       pos->audio_frames_per_video_frame = frame_rate() / timecode_frames_per_second();
-       pos->valid = jack_position_bits_t (pos->valid | JackAudioVideoRatio);
-#endif
-
-#if 0
-       /* Timecode info */
-
-       pos->timecode_offset = config.get_timecode_offset();
-       t.timecode_frame_rate = timecode_frames_per_second();
-       pos->valid = jack_position_bits_t (pos->valid | JackPositionTimecode;
-
-       if (_transport_speed) {
-
-               if (play_loop) {
-
-                       Location* location = _locations.auto_loop_location();
-
-                       if (location) {
-
-                               t.transport_state = JackTransportLooping;
-                               t.loop_start = location->start();
-                               t.loop_end = location->end();
-                               t.valid = jack_transport_bits_t (t.valid | JackTransportLoop);
-
-                       } else {
-
-                               t.loop_start = 0;
-                               t.loop_end = 0;
-                               t.transport_state = JackTransportRolling;
-
-                       }
-
-               } else {
-
-                       t.loop_start = 0;
-                       t.loop_end = 0;
-                       t.transport_state = JackTransportRolling;
-
-               }
-
-       }
-#endif
-}
 
-ARDOUR::framecnt_t
-Session::convert_to_frames (AnyTime const & position)
+ARDOUR::samplecnt_t
+Session::convert_to_samples (AnyTime const & position)
 {
        double secs;
 
        switch (position.type) {
        case AnyTime::BBT:
-               return _tempo_map->frame_time (position.bbt);
+               return _tempo_map->sample_at_bbt (position.bbt);
                break;
 
        case AnyTime::Timecode:
@@ -317,32 +243,32 @@ Session::convert_to_frames (AnyTime const & position)
                secs += position.timecode.seconds;
                secs += position.timecode.frames / timecode_frames_per_second();
                if (config.get_timecode_offset_negative()) {
-                       return (framecnt_t) floor (secs * frame_rate()) - config.get_timecode_offset();
+                       return (samplecnt_t) floor (secs * sample_rate()) - config.get_timecode_offset();
                } else {
-                       return (framecnt_t) floor (secs * frame_rate()) + config.get_timecode_offset();
+                       return (samplecnt_t) floor (secs * sample_rate()) + config.get_timecode_offset();
                }
                break;
 
        case AnyTime::Seconds:
-               return (framecnt_t) floor (position.seconds * frame_rate());
+               return (samplecnt_t) floor (position.seconds * sample_rate());
                break;
 
-       case AnyTime::Frames:
-               return position.frames;
+       case AnyTime::Samples:
+               return position.samples;
                break;
        }
 
-       return position.frames;
+       return position.samples;
 }
 
-ARDOUR::framecnt_t
-Session::any_duration_to_frames (framepos_t position, AnyTime const & duration)
+ARDOUR::samplecnt_t
+Session::any_duration_to_samples (samplepos_t position, AnyTime const & duration)
 {
        double secs;
 
        switch (duration.type) {
        case AnyTime::BBT:
-               return (framecnt_t) ( _tempo_map->framepos_plus_bbt (position, duration.bbt) - position);
+               return (samplecnt_t) ( _tempo_map->samplepos_plus_bbt (position, duration.bbt) - position);
                break;
 
        case AnyTime::Timecode:
@@ -352,20 +278,20 @@ Session::any_duration_to_frames (framepos_t position, AnyTime const & duration)
                secs += duration.timecode.seconds;
                secs += duration.timecode.frames / timecode_frames_per_second();
                if (config.get_timecode_offset_negative()) {
-                       return (framecnt_t) floor (secs * frame_rate()) - config.get_timecode_offset();
+                       return (samplecnt_t) floor (secs * sample_rate()) - config.get_timecode_offset();
                } else {
-                       return (framecnt_t) floor (secs * frame_rate()) + config.get_timecode_offset();
+                       return (samplecnt_t) floor (secs * sample_rate()) + config.get_timecode_offset();
                }
                break;
 
        case AnyTime::Seconds:
-                return (framecnt_t) floor (duration.seconds * frame_rate());
+                return (samplecnt_t) floor (duration.seconds * sample_rate());
                break;
 
-       case AnyTime::Frames:
-               return duration.frames;
+       case AnyTime::Samples:
+               return duration.samples;
                break;
        }
 
-       return duration.frames;
+       return duration.samples;
 }