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midi clock slave: make bandwidth variable according to period size

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This commit is contained in:
Hans Baier 2013-12-18 06:19:21 +07:00
parent 12349aa3d8
commit d826de83ae
3 changed files with 18 additions and 7 deletions
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14
libs/ardour/ardour/slave.h
View file

@ -185,6 +185,7 @@ class ISlaveSessionProxy {
virtual ~ISlaveSessionProxy() {}
virtual TempoMap& tempo_map() const { return *((TempoMap *) 0); }
virtual framecnt_t frame_rate() const { return 0; }
virtual pframes_t frames_per_cycle() const { return 0; }
virtual framepos_t audible_frame () const { return 0; }
virtual framepos_t transport_frame () const { return 0; }
virtual pframes_t frames_since_cycle_start () const { return 0; }
@ -204,12 +205,13 @@ class SlaveSessionProxy : public ISlaveSessionProxy {
public:
SlaveSessionProxy(Session &s) : session(s) {}
TempoMap& tempo_map() const;
framecnt_t frame_rate() const;
framepos_t audible_frame () const;
framepos_t transport_frame () const;
pframes_t frames_since_cycle_start () const;
framepos_t frame_time () const;
TempoMap& tempo_map() const;
framecnt_t frame_rate() const;
pframes_t frames_per_cycle() const;
framepos_t audible_frame () const;
framepos_t transport_frame () const;
pframes_t frames_since_cycle_start () const;
framepos_t frame_time () const;
void request_locate (framepos_t frame, bool with_roll = false);
void request_transport_speed (double speed);

5
libs/ardour/midi_clock_slave.cc
View file

@ -173,7 +173,7 @@ MIDIClock_Slave::update_midi_clock (Parser& /*parser*/, framepos_t timestamp)
error,
timestamp - last_timestamp,
one_ppqn_in_frames,
(t1 -t0) * session->frame_rate(),
(t1 - t0) * session->frame_rate(),
t0 * session->frame_rate(),
t1 * session->frame_rate(),
session->frame_rate(),
@ -200,6 +200,9 @@ MIDIClock_Slave::start (Parser& /*parser*/, framepos_t timestamp)
void
MIDIClock_Slave::reset ()
{
bandwidth = (256.0 / session->frames_per_cycle()) * 10.0 / 60.0;
DEBUG_TRACE (DEBUG::MidiClock, string_compose ("MidiClock_Slave reset(): calculated filter bandwidth is %1 for period size %2", bandwidth, session->frames_per_cycle()));
should_be_position = session->transport_frame();
last_timestamp = 0;

6
libs/ardour/slave.cc
View file

@ -35,6 +35,12 @@ SlaveSessionProxy::frame_rate() const
return session.frame_rate();
}
pframes_t
SlaveSessionProxy::frames_per_cycle() const
{
return session.engine().samples_per_cycle();
}
framepos_t
SlaveSessionProxy::audible_frame() const
{