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Make source length a dynamic thing.

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Update MIDI region length (actually and visually) when position changes.


git-svn-id: svn://localhost/ardour2/branches/3.0@4644 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2009-02-20 00:30:42 +00:00
parent bed0d89337
commit c9582da233
28 changed files with 144 additions and 74 deletions
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29
libs/ardour/midi_source.cc
View file

@ -54,7 +54,9 @@ MidiSource::MidiSource (Session& s, string name, Source::Flag flags)
, _read_data_count(0)
, _write_data_count(0)
, _writing (false)
, _length_beats(0.0)
, _last_read_end(0)
, _last_write_end(0)
{
}
@ -63,7 +65,9 @@ MidiSource::MidiSource (Session& s, const XMLNode& node)
, _read_data_count(0)
, _write_data_count(0)
, _writing (false)
, _length_beats(0.0)
, _last_read_end(0)
, _last_write_end(0)
{
_read_data_count = 0;
_write_data_count = 0;
@ -101,6 +105,19 @@ MidiSource::set_state (const XMLNode& node)
return 0;
}
sframes_t
MidiSource::length (sframes_t pos) const
{
BeatsFramesConverter converter(_session, pos);
return converter.to(_length_beats);
}
void
MidiSource::update_length (sframes_t pos, sframes_t cnt)
{
// You're not the boss of me!
}
void
MidiSource::invalidate ()
{
@ -150,7 +167,9 @@ nframes_t
MidiSource::midi_write (MidiRingBuffer<nframes_t>& dst, sframes_t position, nframes_t cnt)
{
Glib::Mutex::Lock lm (_lock);
return write_unlocked (dst, position, cnt);
const nframes_t ret = write_unlocked (dst, position, cnt);
_last_write_end = position + cnt;
return ret;
}
bool
@ -172,17 +191,21 @@ MidiSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_fr
_model->set_note_mode(mode);
_model->start_write();
}
_last_write_end = start_frame;
_writing = true;
}
void
MidiSource::mark_streaming_write_started ()
{
sframes_t start_frame = _session.transport_frame();
if (_model) {
_model->start_write();
}
_last_write_end = start_frame;
_writing = true;
}
@ -190,7 +213,7 @@ void
MidiSource::mark_streaming_write_completed ()
{
if (_model) {
_model->end_write(false); // FIXME: param?
_model->end_write(false);
}
_writing = false;