#include "ardour/debug.h"
#include "ardour/file_source.h"
#include "ardour/midi_channel_filter.h"
+#include "ardour/midi_cursor.h"
#include "ardour/midi_model.h"
#include "ardour/midi_source.h"
#include "ardour/midi_state_tracker.h"
#include "ardour/session.h"
#include "ardour/session_directory.h"
#include "ardour/source_factory.h"
+#include "ardour/tempo.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
namespace ARDOUR { template <typename T> class MidiRingBuffer; }
using namespace ARDOUR;
using namespace PBD;
-PBD::Signal1<void,MidiSource*> MidiSource::MidiSourceCreated;
-
MidiSource::MidiSource (Session& s, string name, Source::Flag flags)
: Source(s, DataType::MIDI, name, flags)
, _writing(false)
- , _model_iter_valid(false)
, _length_beats(0.0)
- , _last_read_end(0)
, _capture_length(0)
, _capture_loop_length(0)
{
MidiSource::MidiSource (Session& s, const XMLNode& node)
: Source(s, node)
, _writing(false)
- , _model_iter_valid(false)
, _length_beats(0.0)
- , _last_read_end(0)
, _capture_length(0)
, _capture_loop_length(0)
{
int
MidiSource::set_state (const XMLNode& node, int /*version*/)
{
- const XMLProperty* prop;
+ XMLProperty const * prop;
if ((prop = node.property ("captured-for")) != 0) {
_captured_for = prop->value();
}
}
void
-MidiSource::invalidate (const Lock& lock, std::set<Evoral::Sequence<Evoral::Beats>::WeakNotePtr>* notes)
+MidiSource::invalidate (const Lock& lock)
{
- _model_iter_valid = false;
- _model_iter.invalidate(notes);
+ Invalidated(_session.transport_rolling());
}
framecnt_t
framepos_t source_start,
framepos_t start,
framecnt_t cnt,
+ Evoral::Range<framepos_t>* loop_range,
+ MidiCursor& cursor,
MidiStateTracker* tracker,
MidiChannelFilter* filter,
- const std::set<Evoral::Parameter>& filtered) const
+ const std::set<Evoral::Parameter>& filtered,
+ const double pos_beats,
+ const double start_beats) const
{
BeatsFramesConverter converter(_session.tempo_map(), source_start);
+ const double start_qn = pos_beats - start_beats;
+
DEBUG_TRACE (DEBUG::MidiSourceIO,
string_compose ("MidiSource::midi_read() %5 sstart %1 start %2 cnt %3 tracker %4\n",
source_start, start, cnt, tracker, name()));
- if (_model) {
- // Find appropriate model iterator
- Evoral::Sequence<Evoral::Beats>::const_iterator& i = _model_iter;
- const bool linear_read = _last_read_end != 0 && start == _last_read_end;
- if (!linear_read || !_model_iter_valid) {
- // Cached iterator is invalid, search for the first event past start
- i = _model->begin(converter.from(start), false, filtered,
- linear_read ? &_model->active_notes() : NULL);
- _model_iter_valid = true;
- if (!linear_read) {
- _model->active_notes().clear();
- }
- }
+ if (!_model) {
+ return read_unlocked (lm, dst, source_start, start, cnt, loop_range, tracker, filter);
+ }
- _last_read_end = start + cnt;
+ // Find appropriate model iterator
+ Evoral::Sequence<Evoral::Beats>::const_iterator& i = cursor.iter;
+ const bool linear_read = cursor.last_read_end != 0 && start == cursor.last_read_end;
+ if (!linear_read || !i.valid()) {
+ /* Cached iterator is invalid, search for the first event past start.
+ Note that multiple tracks can use a MidiSource simultaneously, so
+ all playback state must be in parameters (the cursor) and must not
+ be cached in the source of model itself.
+ See http://tracker.ardour.org/view.php?id=6541
+ */
+ cursor.connect(Invalidated);
+ cursor.iter = _model->begin(converter.from(start), false, filtered, &cursor.active_notes);
+ cursor.active_notes.clear();
+ }
- // Copy events in [start, start + cnt) into dst
- for (; i != _model->end(); ++i) {
- const framecnt_t time_frames = converter.to(i->time());
- if (time_frames < start + cnt) {
- if (filter && filter->filter(i->buffer(), i->size())) {
- DEBUG_TRACE (DEBUG::MidiSourceIO,
- string_compose ("%1: filter event @ %2 type %3 size %4\n",
- _name, time_frames + source_start, i->event_type(), i->size()));
- continue;
- }
+ cursor.last_read_end = start + cnt;
- // Offset by source start to convert event time to session time
- dst.write (time_frames + source_start, i->event_type(), i->size(), i->buffer());
+ // Copy events in [start, start + cnt) into dst
+ for (; i != _model->end(); ++i) {
- DEBUG_TRACE (DEBUG::MidiSourceIO,
- string_compose ("%1: add event @ %2 type %3 size %4\n",
- _name, time_frames + source_start, i->event_type(), i->size()));
+ // Offset by source start to convert event time to session time
- if (tracker) {
- tracker->track (*i);
+ framepos_t time_frames = _session.tempo_map().frame_at_quarter_note (i->time().to_double() + start_qn);
+
+ if (time_frames < start + source_start) {
+ /* event too early */
+
+ continue;
+
+ } else if (time_frames >= start + cnt + source_start) {
+
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("%1: reached end with event @ %2 vs. %3\n",
+ _name, time_frames, start+cnt));
+ break;
+
+ } else {
+
+ /* in range */
+
+ if (loop_range) {
+ time_frames = loop_range->squish (time_frames);
+ }
+
+ const uint8_t status = i->buffer()[0];
+ const bool is_channel_event = (0x80 <= (status & 0xF0)) && (status <= 0xE0);
+ if (filter && is_channel_event) {
+ /* Copy event so the filter can modify the channel. I'm not
+ sure if this is necessary here (channels are mapped later in
+ buffers anyway), but it preserves existing behaviour without
+ destroying events in the model during read. */
+ Evoral::Event<Evoral::Beats> ev(*i, true);
+ if (!filter->filter(ev.buffer(), ev.size())) {
+ dst.write(time_frames, ev.event_type(), ev.size(), ev.buffer());
+ } else {
+ DEBUG_TRACE (DEBUG::MidiSourceIO,
+ string_compose ("%1: filter event @ %2 type %3 size %4\n",
+ _name, time_frames, i->event_type(), i->size()));
}
} else {
- DEBUG_TRACE (DEBUG::MidiSourceIO,
- string_compose ("%1: reached end with event @ %2 vs. %3\n",
- _name, time_frames, start+cnt));
- break;
+ dst.write (time_frames, i->event_type(), i->size(), i->buffer());
+ }
+
+#ifndef NDEBUG
+ if (DEBUG_ENABLED(DEBUG::MidiSourceIO)) {
+ DEBUG_STR_DECL(a);
+ DEBUG_STR_APPEND(a, string_compose ("%1 added event @ %2 sz %3 within %4 .. %5 ",
+ _name, time_frames, i->size(),
+ start + source_start, start + cnt + source_start));
+ for (size_t n=0; n < i->size(); ++n) {
+ DEBUG_STR_APPEND(a,hex);
+ DEBUG_STR_APPEND(a,"0x");
+ DEBUG_STR_APPEND(a,(int)i->buffer()[n]);
+ DEBUG_STR_APPEND(a,' ');
+ }
+ DEBUG_STR_APPEND(a,'\n');
+ DEBUG_TRACE (DEBUG::MidiSourceIO, DEBUG_STR(a).str());
+ }
+#endif
+
+ if (tracker) {
+ tracker->track (*i);
}
}
- return cnt;
- } else {
- return read_unlocked (lm, dst, source_start, start, cnt, tracker, filter);
}
+
+ return cnt;
}
framecnt_t
const framecnt_t ret = write_unlocked (lm, source, source_start, cnt);
if (cnt == max_framecnt) {
- _last_read_end = 0;
invalidate(lm);
} else {
_capture_length += cnt;
_capture_length = capture_length;
_capture_loop_length = loop_length;
- BeatsFramesConverter converter(_session.tempo_map(), position);
+ TempoMap& map (_session.tempo_map());
+ BeatsFramesConverter converter(map, position);
_length_beats = converter.from(capture_length);
}
mark_midi_streaming_write_completed (lock, Evoral::Sequence<Evoral::Beats>::DeleteStuckNotes);
}
+int
+MidiSource::export_write_to (const Lock& lock, boost::shared_ptr<MidiSource> newsrc, Evoral::Beats begin, Evoral::Beats end)
+{
+ Lock newsrc_lock (newsrc->mutex ());
+
+ if (!_model) {
+ error << string_compose (_("programming error: %1"), X_("no model for MidiSource during export"));
+ return -1;
+ }
+
+ _model->write_section_to (newsrc, newsrc_lock, begin, end, true);
+
+ newsrc->flush_midi(newsrc_lock);
+
+ return 0;
+}
+
int
MidiSource::write_to (const Lock& lock, boost::shared_ptr<MidiSource> newsrc, Evoral::Beats begin, Evoral::Beats end)
{
projects / ardour.git / blobdiff