95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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* Copyright (C) 2020 Luciano Iam <oss@lucianoiam.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <sstream>
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#include "ardour/tempo.h"
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#include "transport.h"
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using namespace ARDOUR;
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using namespace ArdourSurface;
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using namespace Temporal;
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double
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ArdourTransport::tempo () const
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{
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const Tempo& tempo (TempoMap::fetch()->metric_at (timepos_t (0)).tempo());
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return tempo.note_types_per_minute ();
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}
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void
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ArdourTransport::set_tempo (double bpm)
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{
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bpm = std::max (0.01, bpm);
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TempoMap::WritableSharedPtr tmap (TempoMap::write_copy());
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Tempo tempo (bpm, tmap->metric_at (timepos_t (0)).tempo().note_type ());
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tmap->set_tempo (tempo, timepos_t());
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TempoMap::update (tmap);
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}
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double
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ArdourTransport::time () const
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{
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samplepos_t t = session ().transport_sample ();
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samplecnt_t f = session ().sample_rate ();
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return static_cast<double>(t) / static_cast<double>(f);
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}
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std::string
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ArdourTransport::bbt () const
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{
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const samplepos_t t = session ().transport_sample ();
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const Temporal::BBT_Time bbt_time = Temporal::TempoMap::fetch()->bbt_at (timepos_t (t));
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std::ostringstream oss;
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bbt_time.print_padded(oss);
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return oss.str();
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}
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bool
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ArdourTransport::roll () const
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{
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return basic_ui ().transport_rolling ();
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}
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void
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ArdourTransport::set_roll (bool value)
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{
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if ((value && !roll ()) || (!value && roll ())) {
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// this call is equivalent to hitting the spacebar
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basic_ui ().toggle_roll (false, false);
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}
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}
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bool
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ArdourTransport::record () const
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{
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return session ().get_record_enabled ();
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}
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void
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ArdourTransport::set_record (bool value)
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{
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if ((value && !record ()) || (!value && record ())) {
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basic_ui ().rec_enable_toggle ();
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}
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}
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