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Fix MIDI playback.

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git-svn-id: svn://localhost/ardour2/trunk@2905 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
David Robillard 2008-01-13 00:27:13 +00:00
parent e92c1669c1
commit c78c44ccd7
4 changed files with 26 additions and 24 deletions
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1
libs/ardour/ardour/midi_port.h
View file

@ -34,6 +34,7 @@ class MidiPort : public BaseMidiPort, public PortFacade {
void reset ();
void cycle_start (nframes_t nframes, nframes_t offset);
void cycle_end (nframes_t nframes, nframes_t offset);
protected:
friend class AudioEngine;

10
libs/ardour/audioengine.cc
View file

@ -337,11 +337,6 @@ AudioEngine::process_callback (nframes_t nframes)
if (session) {
session->process (nframes);
}
if (!_running) {
_processed_frames = next_processed_frames;
return 0;
}
// Finalize ports (ie write data if necessary)
@ -349,6 +344,11 @@ AudioEngine::process_callback (nframes_t nframes)
(*i)->cycle_end (nframes, 0);
}
if (!_running) {
_processed_frames = next_processed_frames;
return 0;
}
if (last_monitor_check + monitor_check_interval < next_processed_frames) {
boost::shared_ptr<Ports> p = ports.reader();

27
libs/ardour/jack_midi_port.cc
View file

@ -25,31 +25,22 @@ JackMidiPort::JackMidiPort (const std::string& name, Flags flgs, MidiBuffer* buf
, JackPort (name, DataType::MIDI, flgs)
, BaseMidiPort (name, flgs)
{
if (buf) {
// MIDI ports always need a buffer since jack buffer format is different
assert(buf);
cout << name << " BUFFER" << endl;
_buffer = buf;
_own_buffer = false;
} else {
cout << name << " NO BUFFER" << endl;
/* data space will be provided by JACK */
_buffer = new MidiBuffer (0);
_own_buffer = true;
}
_buffer = buf;
_own_buffer = false;
}
void
JackMidiPort::cycle_start (nframes_t nframes, nframes_t offset_ignored_but_probably_should_not_be)
JackMidiPort::cycle_start (nframes_t nframes, nframes_t offset)
{
/* FIXME: offset */
_buffer->clear();
assert(_buffer->size() == 0);
if (_flags & IsOutput) {
// no buffer, nothing to do
return;
}
@ -76,8 +67,10 @@ JackMidiPort::cycle_start (nframes_t nframes, nframes_t offset_ignored_but_proba
}
void
JackMidiPort::cycle_end (nframes_t nframes, nframes_t offset_ignored_but_probably_should_not_be)
JackMidiPort::cycle_end (nframes_t nframes, nframes_t offset)
{
/* FIXME: offset */
if (_flags & IsInput) {
return;
}

12
libs/ardour/midi_port.cc
View file

@ -67,8 +67,6 @@ MidiPort::reset()
void
MidiPort::cycle_start (nframes_t nframes, nframes_t offset)
{
/* caller must hold process lock */
if (_ext_port) {
_ext_port->cycle_start (nframes, offset);
}
@ -99,3 +97,13 @@ MidiPort::cycle_start (nframes_t nframes, nframes_t offset)
_buffer->silence (nframes, offset);
}
}
void
MidiPort::cycle_end (nframes_t nframes, nframes_t offset)
{
if (_ext_port) {
_ext_port->cycle_end (nframes, offset);
}
}