Clear up confusion with overloads of _frozen and frozen()
[ardour.git] / libs / ardour / session_time.cc
index e33fe3a9fba1e736eedbb5aeca3535178e75cbfe..0543fe2d021fea6de9b8fa4251478095f0ccee0c 100644 (file)
@@ -47,7 +47,7 @@ using namespace PBD;
 /* BBT TIME*/
 
 void
-Session::bbt_time (nframes_t when, BBT_Time& bbt)
+Session::bbt_time (framepos_t when, Timecode::BBT_Time& bbt)
 {
        _tempo_map->bbt_time (when, bbt);
 }
@@ -155,14 +155,14 @@ Session::timecode_drop_frames() const
 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 = (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();
        if (timecode_drop_frames()) {
          _frames_per_hour = (int32_t)(107892 * _frames_per_timecode_frame);
        } else {
          _frames_per_hour = (int32_t)(3600 * rint(timecode_frames_per_second()) * _frames_per_timecode_frame);
        }
-       _timecode_frames_per_hour = (nframes_t)rint(timecode_frames_per_second() * 3600.0);
+       _timecode_frames_per_hour = rint(timecode_frames_per_second() * 3600.0);
 
        last_timecode_valid = false;
        // timecode type bits are the middle two in the upper nibble
@@ -231,13 +231,13 @@ Session::timecode_to_sample( Timecode::Time& timecode, framepos_t& sample, bool
                //  Per Sigmond <per@sigmond.no>
 
                // Samples inside time dividable by 10 minutes (real time accurate)
-               nframes_t base_samples = (nframes_t) (((timecode.hours * 107892) + ((timecode.minutes / 10) * 17982)) * _frames_per_timecode_frame);
+               framecnt_t base_samples = (framecnt_t) (((timecode.hours * 107892) + ((timecode.minutes / 10) * 17982)) * _frames_per_timecode_frame);
 
                // Samples inside time exceeding the nearest 10 minutes (always offset, see above)
                int32_t exceeding_df_minutes = timecode.minutes % 10;
                int32_t exceeding_df_seconds = (exceeding_df_minutes * 60) + timecode.seconds;
                int32_t exceeding_df_frames = (30 * exceeding_df_seconds) + timecode.frames - (2 * exceeding_df_minutes);
-               nframes_t exceeding_samples = (nframes_t) rint(exceeding_df_frames * _frames_per_timecode_frame);
+               framecnt_t exceeding_samples = (framecnt_t) rint(exceeding_df_frames * _frames_per_timecode_frame);
                sample = base_samples + exceeding_samples;
        } else {
                /*
@@ -247,7 +247,7 @@ Session::timecode_to_sample( Timecode::Time& timecode, framepos_t& sample, bool
                   frame_rate() in the non-integer Timecode rate case.
                */
 
-               sample = (nframes_t)rint((((timecode.hours * 60 * 60) + (timecode.minutes * 60) + timecode.seconds) * (rint(timecode.rate) * _frames_per_timecode_frame)) + (timecode.frames * _frames_per_timecode_frame));
+               sample = (framecnt_t)rint((((timecode.hours * 60 * 60) + (timecode.minutes * 60) + timecode.seconds) * (rint(timecode.rate) * _frames_per_timecode_frame)) + (timecode.frames * _frames_per_timecode_frame));
        }
 
        if (use_subframes) {
@@ -376,7 +376,7 @@ Session::sample_to_timecode (framepos_t sample, Timecode::Time& timecode, bool u
 }
 
 void
-Session::timecode_time (nframes_t when, Timecode::Time& timecode)
+Session::timecode_time (framepos_t when, Timecode::Time& timecode)
 {
        if (last_timecode_valid && when == last_timecode_when) {
                timecode = last_timecode;
@@ -391,7 +391,7 @@ Session::timecode_time (nframes_t when, Timecode::Time& timecode)
 }
 
 void
-Session::timecode_time_subframes (nframes_t when, Timecode::Time& timecode)
+Session::timecode_time_subframes (framepos_t when, Timecode::Time& timecode)
 {
        if (last_timecode_valid && when == last_timecode_when) {
                timecode = last_timecode;
@@ -469,15 +469,15 @@ Session::jack_sync_callback (jack_transport_state_t state,
 
 void
 Session::jack_timebase_callback (jack_transport_state_t /*state*/,
-                                nframes_t /*nframes*/,
+                                pframes_t /*nframes*/,
                                 jack_position_t* pos,
                                 int /*new_position*/)
 {
-       BBT_Time bbt;
+       Timecode::BBT_Time bbt;
 
-        if (pos->frame != _transport_frame) {
-                cerr << "ARDOUR says " << _transport_frame << " JACK says " << pos->frame << endl;
-        }
+       if (pos->frame != _transport_frame) {
+               cerr << "ARDOUR says " << _transport_frame << " JACK says " << pos->frame << endl;
+       }
 
        /* BBT info */
 
@@ -492,9 +492,9 @@ Session::jack_timebase_callback (jack_transport_state_t /*state*/,
 
                // XXX still need to set bar_start_tick
 
-               pos->beats_per_bar = metric.meter().beats_per_bar();
+               pos->beats_per_bar = metric.meter().divisions_per_bar();
                pos->beat_type = metric.meter().note_divisor();
-               pos->ticks_per_beat = Meter::ticks_per_beat;
+               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);
@@ -546,37 +546,72 @@ Session::jack_timebase_callback (jack_transport_state_t /*state*/,
 #endif
 }
 
-ARDOUR::nframes_t
-Session::convert_to_frames_at (nframes_t /*position*/, AnyTime const & any)
+ARDOUR::framecnt_t
+Session::convert_to_frames (AnyTime const & position)
+{
+       double secs;
+
+       switch (position.type) {
+       case AnyTime::BBT:
+               return _tempo_map->frame_time (position.bbt);
+               break;
+
+       case AnyTime::Timecode:
+               /* XXX need to handle negative values */
+               secs = position.timecode.hours * 60 * 60;
+               secs += position.timecode.minutes * 60;
+               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();
+               } else {
+                       return (framecnt_t) floor (secs * frame_rate()) + config.get_timecode_offset();
+               }
+               break;
+
+       case AnyTime::Seconds:
+               return (framecnt_t) floor (position.seconds * frame_rate());
+               break;
+
+       case AnyTime::Frames:
+               return position.frames;
+               break;
+       }
+
+       return position.frames;
+}
+
+ARDOUR::framecnt_t
+Session::any_duration_to_frames (framepos_t position, AnyTime const & duration)
 {
        double secs;
 
-       switch (any.type) {
+       switch (duration.type) {
        case AnyTime::BBT:
-               return _tempo_map->frame_time ( any.bbt);
+               return (framecnt_t) ( _tempo_map->framepos_plus_bbt (position, duration.bbt) - position);
                break;
 
        case AnyTime::Timecode:
                /* XXX need to handle negative values */
-               secs = any.timecode.hours * 60 * 60;
-               secs += any.timecode.minutes * 60;
-               secs += any.timecode.seconds;
-               secs += any.timecode.frames / timecode_frames_per_second();
+               secs = duration.timecode.hours * 60 * 60;
+               secs += duration.timecode.minutes * 60;
+               secs += duration.timecode.seconds;
+               secs += duration.timecode.frames / timecode_frames_per_second();
                if (config.get_timecode_offset_negative()) {
-                       return (nframes_t) floor (secs * frame_rate()) - config.get_timecode_offset();
+                       return (framecnt_t) floor (secs * frame_rate()) - config.get_timecode_offset();
                } else {
-                       return (nframes_t) floor (secs * frame_rate()) + config.get_timecode_offset();
+                       return (framecnt_t) floor (secs * frame_rate()) + config.get_timecode_offset();
                }
                break;
 
        case AnyTime::Seconds:
-               return (nframes_t) floor (any.seconds * frame_rate());
+                return (framecnt_t) floor (duration.seconds * frame_rate());
                break;
 
        case AnyTime::Frames:
-               return any.frames;
+               return duration.frames;
                break;
        }
 
-       return any.frames;
+       return duration.frames;
 }