, _source_port(0)
, _capture_transition_buf(0)
, _last_flush_frame(0)
+ , _note_mode(Sustained)
{
/* prevent any write sources from being created */
, _source_port(0)
, _capture_transition_buf(0)
, _last_flush_frame(0)
+ , _note_mode(Sustained)
{
in_set_state = true;
init (Recordable);
set_block_size (_session.get_block_size());
allocate_temporary_buffers ();
- //_playback_wrap_buffer = new RawMidi[wrap_buffer_size];
- //_capture_wrap_buffer = new RawMidi[wrap_buffer_size];
_playback_buf = new MidiRingBuffer (_session.diskstream_buffer_size());
_capture_buf = new MidiRingBuffer (_session.diskstream_buffer_size());
_capture_transition_buf = new RingBufferNPT<CaptureTransition> (128);
Glib::Mutex::Lock lm (state_lock);
}
+
+void
+MidiDiskstream::non_realtime_locate (nframes_t position)
+{
+ //cerr << "MDS: non_realtime_locate: " << position << endl;
+ assert(_write_source);
+ _write_source->set_timeline_position (position);
+ seek(position, true); // correct?
+}
+
+
void
MidiDiskstream::non_realtime_input_change ()
{
}
if (input_change_pending & ConfigurationChanged) {
-
assert(_io->n_inputs() == _n_channels);
}
}
input_change_pending = NoChange;
+
+ /* implicit unlock */
}
/* reset capture files */
void
MidiDiskstream::get_input_sources ()
{
- uint32_t ni = _io->n_inputs().get(DataType::MIDI);
+ uint32_t ni = _io->n_inputs().n_midi();
if (ni == 0) {
return;
_source_port = _io->midi_input(0);
- /* I don't get it....
- const char **connections = _io->input(0)->get_connections ();
-
- if (connections == 0 || connections[0] == 0) {
-
- if (_source_port) {
- // _source_port->disable_metering ();
- }
-
- _source_port = 0;
-
- } else {
- _source_port = dynamic_cast<MidiPort*>(
- _session.engine().get_port_by_name (connections[0]) );
- }
-
- if (connections) {
- free (connections);
- }*/
+ // do... stuff?
}
int
assert( ! yn);
return -1;
}
+
+void
+MidiDiskstream::set_note_mode (NoteMode m)
+{
+ _note_mode = m;
+ midi_playlist()->set_note_mode(m);
+ if (_write_source && _write_source->model())
+ _write_source->model()->set_note_mode(m);
+}
void
MidiDiskstream::check_record_status (nframes_t transport_frame, nframes_t nframes, bool can_record)
} else {
first_recordable_frame += _roll_delay;
}
-
+
} else {
/* was rolling, but record state changed */
MidiDiskstream::process (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input)
{
// FIXME: waay too much code to duplicate (AudioDiskstream::process)
- int ret = -1;
+ int ret = -1;
nframes_t rec_offset = 0;
nframes_t rec_nframes = 0;
- bool nominally_recording;
- bool re = record_enabled ();
- bool collect_playback = false;
-
- /*_current_capture_buffer = 0;
- _current_playback_buffer = 0;*/
+ bool nominally_recording;
+ bool re = record_enabled ();
+ bool collect_playback = false;
/* if we've already processed the frames corresponding to this call,
just return. this allows multiple routes that are taking input
if (_processed) {
return 0;
}
+
+ commit_should_unlock = false;
check_record_status (transport_frame, nframes, can_record);
if (!state_lock.trylock()) {
return 1;
}
-
+ commit_should_unlock = true;
adjust_capture_position = 0;
if (nominally_recording || (_session.get_record_enabled() && Config->get_punch_in())) {
assert(_source_port);
- // Pump entire port buffer into the ring buffer (FIXME!)
- _capture_buf->write(_source_port->get_midi_buffer(), transport_frame);
+ // Pump entire port buffer into the ring buffer (FIXME: split cycles?)
+ //_capture_buf->write(_source_port->get_midi_buffer(), transport_frame);
+ size_t num_events = _source_port->get_midi_buffer().size();
+ size_t to_write = std::min(_capture_buf->write_space(), num_events);
- // FIXME: hackitty hack, don't come back
- //_write_source->ViewDataRangeReady (_write_source->length(), rec_nframes); /* EMIT SIGNAL */
- /*
- for (size_t i=0; i < _source_port->size(); ++i) {
- cerr << "DISKSTREAM GOT EVENT(1) " << i << "!!\n";
- }
+ MidiBuffer::iterator port_iter = _source_port->get_midi_buffer().begin();
- if (_source_port->size() == 0)
- cerr << "No events :/ (1)\n";
- */
+ for (size_t i=0; i < to_write; ++i) {
+ const MidiEvent& ev = *port_iter;
+ _capture_buf->write(ev.time() + transport_frame, ev.size(), ev.buffer());
+ ++port_iter;
+ }
+
} else {
if (was_recording) {
if (rec_nframes) {
/* XXX XXX XXX XXX XXX XXX XXX XXX */
+
/* data will be written to disk */
+ if (rec_nframes == nframes && rec_offset == 0) {
+
+ playback_distance = nframes;
+ } else {
+
+ collect_playback = true;
+ }
+
adjust_capture_position = rec_nframes;
} else if (nominally_recording) {
/* can't do actual capture yet - waiting for latency effects to finish before we start*/
- // Ummm.. well, I suppose we'll just hang out for a bit?
-
playback_distance = nframes;
} else {
}
// XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX
- // Write into playback buffer here, and whatnot
+ // Write into playback buffer here, and whatnot?
+ //cerr << "MDS FIXME: collect playback" << endl;
}
be called. unlock the state lock.
*/
+ commit_should_unlock = false;
state_lock.unlock();
}
return ret;
-
- _processed = true;
-
- return 0;
}
bool
playback_sample += playback_distance;
}
- /* XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX */
-
- /*
- _playback_buf->increment_read_ptr (playback_distance);
-
- if (adjust_capture_position) {
- _capture_buf->increment_write_ptr (adjust_capture_position);
- }
-*/
if (adjust_capture_position != 0) {
capture_captured += adjust_capture_position;
adjust_capture_position = 0;
|| _capture_buf->read_space() >= disk_io_chunk_frames;
}
- state_lock.unlock();
+ if (commit_should_unlock) {
+ state_lock.unlock();
+ }
_processed = false;
int
MidiDiskstream::overwrite_existing_buffers ()
{
+ cerr << "MDS: overwrite_existing_buffers() (does nothing)" << endl;
return 0;
}
{
Glib::Mutex::Lock lm (state_lock);
int ret = -1;
+
+ //cerr << "MDS: seek: " << frame << endl;
_playback_buf->reset();
_capture_buf->reset();
playback_sample = frame;
file_frame = frame;
- _last_flush_frame = frame;
if (complete_refill) {
while ((ret = do_refill_with_alloc ()) > 0) ;
int
MidiDiskstream::internal_playback_seek (nframes_t distance)
{
+ cerr << "MDS: internal_playback_seek " << distance << endl;
+
first_recordable_frame += distance;
playback_sample += distance;
if (reversed) {
- cerr << "Reversed MIDI.. that's just crazy talk." << endl;
- // Swap note ons with note offs here
+ // Swap note ons with note offs here. etc?
+ // Fully reversing MIDI required look-ahead (well, behind) to find previous
+ // CC values etc. hard.
} else {
}
dur -= this_read;
+ //offset += this_read;
}
return 0;
return 0;
}
- /* if there are 2+ chunks of disk i/o possible for
- this track, let the caller know so that it can arrange
- for us to be called again, ASAP.
- */
-
- // FIXME: using disk_io_chunk_frames as an event count, not good
- if (_playback_buf->write_space() >= (_slaved?3:2) * disk_io_chunk_frames) {
- ret = 1;
- }
-
/* if we're running close to normal speed and there isn't enough
space to do disk_io_chunk_frames of I/O, then don't bother.
*/
if ((write_space < disk_io_chunk_frames) && fabs (_actual_speed) < 2.0f) {
- cerr << "No refill 1\n";
+ //cerr << "No refill 1\n";
return 0;
}
*/
if (_slaved && write_space < (_playback_buf->capacity() / 2)) {
- cerr << "No refill 2\n";
+ //cerr << "No refill 2\n";
return 0;
}
if (reversed) {
- cerr << "No refill 3 (reverse)\n";
+ //cerr << "No refill 3 (reverse)\n";
return 0;
}
return 0;
}
-#if 0
- // or this
- if (file_frame > max_frames - total_space) {
-
- /* to close to the end: read what we can, and zero fill the rest */
-
- zero_fill = total_space - (max_frames - file_frame);
- total_space = max_frames - file_frame;
-
- } else {
- zero_fill = 0;
- }
-#endif
-
- // At this point we:
+ // At this point we...
assert(_playback_buf->write_space() > 0); // ... have something to write to, and
assert(file_frame <= max_frames); // ... something to write
- // So (read it, then) write it:
-
nframes_t file_frame_tmp = file_frame;
nframes_t to_read = min(disk_io_chunk_frames, (max_frames - file_frame));
_write_data_count = 0;
- if (_last_flush_frame > _session.transport_frame()) {
+ if (_last_flush_frame > _session.transport_frame()
+ || _last_flush_frame < capture_start_frame) {
_last_flush_frame = _session.transport_frame();
}
total = _session.transport_frame() - _last_flush_frame;
-
- // FIXME: put this condition back in! (removed for testing)
- if (total == 0 || (total < disk_io_chunk_frames && !force_flush && was_recording)) {
- //cerr << "MDS - no flush 1\n";
+ if (total == 0 || _capture_buf->read_space() == 0 && _session.transport_speed() == 0 || (total < disk_io_chunk_frames && !force_flush && was_recording)) {
goto out;
}
assert(!destructive());
- if ((!_write_source) || _write_source->write (*_capture_buf, to_write) != to_write) {
- //cerr << "MDS - no flush 2\n";
- error << string_compose(_("MidiDiskstream %1: cannot write to disk"), _id) << endmsg;
- return -1;
- } else {
- _last_flush_frame = _session.transport_frame();
- //cerr << "MDS - flushed\n";
+ if (record_enabled() && _session.transport_frame() - _last_flush_frame > disk_io_chunk_frames) {
+ if ((!_write_source) || _write_source->midi_write (*_capture_buf, to_write) != to_write) {
+ error << string_compose(_("MidiDiskstream %1: cannot write to disk"), _id) << endmsg;
+ return -1;
+ } else {
+ _last_flush_frame = _session.transport_frame();
+ }
}
- //(*chan).curr_capture_cnt += to_write;
-
out:
//return ret;
- return 0;
+ return 0; // FIXME: everything's fine! always! honest!
}
void
}
/* figure out the name for this take */
-
- boost::shared_ptr<SMFSource> s = _write_source;
-
- if (s) {
-
- srcs.push_back (s);
-
- cerr << "MidiDiskstream: updating source after capture\n";
- s->update_header (capture_info.front()->start, when, twhen);
-
- s->set_captured_for (_name);
-
- }
+
+ srcs.push_back (_write_source);
+ _write_source->set_timeline_position (capture_info.front()->start);
+ _write_source->set_captured_for (_name);
string whole_file_region_name;
whole_file_region_name = region_name_from_path (_write_source->name(), true);
+
/* Register a new region with the Session that
describes the entire source. Do this first
so that any sub-regions will obviously be
children of this one (later!)
*/
+
try {
- assert(_write_source);
-
boost::shared_ptr<Region> rx (RegionFactory::create (srcs, _write_source->last_capture_start_frame(), total_capture,
whole_file_region_name,
0, Region::Flag (Region::DefaultFlags|Region::Automatic|Region::WholeFile)));
for (buffer_position = _write_source->last_capture_start_frame(), ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
string region_name;
+
_session.region_name (region_name, _write_source->name(), false);
// cerr << _name << ": based on ci of " << (*ci)->start << " for " << (*ci)->frames << " add a region\n";
error << _("MidiDiskstream: could not create region for captured midi!") << endmsg;
continue; /* XXX is this OK? */
}
+
+ region->GoingAway.connect (bind (mem_fun (*this, &Diskstream::remove_region_from_last_capture), boost::weak_ptr<Region>(region)));
_last_capture_regions.push_back (region);
XMLNode &after = _playlist->get_state();
_session.add_command (new MementoCommand<Playlist>(*_playlist, &before, &after));
- mark_write_completed = true;
+ }
- reset_write_sources (mark_write_completed);
+ mark_write_completed = true;
- }
+ reset_write_sources (mark_write_completed);
for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
delete *ci;
capture_start_frame = 0;
}
+void
+MidiDiskstream::transport_looped (nframes_t transport_frame)
+{
+ if (was_recording) {
+
+ // adjust the capture length knowing that the data will be recorded to disk
+ // only necessary after the first loop where we're recording
+ if (capture_info.size() == 0) {
+ capture_captured += _capture_offset;
+
+ if (_alignment_style == ExistingMaterial) {
+ capture_captured += _session.worst_output_latency();
+ } else {
+ capture_captured += _roll_delay;
+ }
+ }
+
+ finish_capture (true);
+
+ // the next region will start recording via the normal mechanism
+ // we'll set the start position to the current transport pos
+ // no latency adjustment or capture offset needs to be made, as that already happened the first time
+ capture_start_frame = transport_frame;
+ first_recordable_frame = transport_frame; // mild lie
+ last_recordable_frame = max_frames;
+ was_recording = true;
+ }
+}
+
void
MidiDiskstream::finish_capture (bool rec_monitors_input)
{
_source_port->request_monitor_input (!(Config->get_auto_input() && rolling));
}
+ // FIXME: Why is this necessary? Isn't needed for AudioDiskstream...
+ if (!_write_source)
+ use_new_write_source();
+
+ _write_source->mark_streaming_midi_write_started (_note_mode, _session.transport_frame());
+
RecordEnableChanged (); /* EMIT SIGNAL */
}
if (_write_source) {
- if (SMFSource::is_empty (_write_source->path())) {
+ if (_write_source->is_empty ()) {
_write_source->mark_for_remove ();
_write_source.reset();
} else {
_write_source->mark_streaming_write_completed ();
}
- if (!_write_source) {
- use_new_write_source ();
+ use_new_write_source (0);
+
+ if (record_enabled()) {
+ //_capturing_sources.push_back (_write_source);
}
}
MidiDiskstream::rename_write_sources ()
{
if (_write_source != 0) {
- _write_source->set_name (_name, destructive());
+ _write_source->set_source_name (_name, destructive());
/* XXX what to do if this fails ? */
}
return 0;
return 0;
}
-/** Writes playback events in the given range to dst, translating time stamps
- * so that an event at start has time = 0
+/** Writes playback events in the given range to \a dst, translating time stamps
+ * so that an event at \a start has time = 0
*/
void
MidiDiskstream::get_playback(MidiBuffer& dst, nframes_t start, nframes_t end)
dst.clear();
assert(dst.size() == 0);
- // I think this happens with reverse varispeed? maybe?
+ // Reverse. ... We just don't do reverse, ok? Back off.
if (end <= start) {
return;
}
-/*
- cerr << "MIDI Diskstream pretending to read" << endl;
-
- MidiEvent ev;
- RawMidi data[4];
-
- const char note = rand()%30 + 30;
-
- ev.buffer = data;
- ev.time = 0;
- ev.size = 3;
-
- data[0] = 0x90;
- data[1] = note;
- data[2] = 120;
-
- dst.push_back(ev);
-
- ev.buffer = data;
- ev.time = (end - start) / 2;
- ev.size = 3;
-
- data[0] = 0x80;
- data[1] = note;
- data[2] = 64;
-*/
+ // Translates stamps to be relative to start
_playback_buf->read(dst, start, end);
-
- // Translate time stamps to be relative to the start of this cycle
- for (size_t i=0; i < dst.size(); ++i) {
- assert(dst[i].time >= start);
- assert(dst[i].time <= end);
- //cerr << "Translating event stamp " << dst[i].time << " to ";
- dst[i].time -= start;
- //cerr << dst[i].time << endl;
-
- }
}
projects / ardour.git / blobdiff