#include <sys/stat.h>
#include <sys/mman.h>
-#include <pbd/error.h>
-#include <pbd/basename.h>
+#include "pbd/error.h"
+#include "pbd/basename.h"
#include <glibmm/thread.h>
-#include <pbd/xml++.h>
-#include <pbd/memento_command.h>
-#include <pbd/enumwriter.h>
-
-#include <ardour/ardour.h>
-#include <ardour/audioengine.h>
-#include <ardour/midi_diskstream.h>
-#include <ardour/utils.h>
-#include <ardour/configuration.h>
-#include <ardour/smf_source.h>
-#include <ardour/send.h>
-#include <ardour/region_factory.h>
-#include <ardour/midi_playlist.h>
-#include <ardour/playlist_factory.h>
-#include <ardour/cycle_timer.h>
-#include <ardour/midi_region.h>
-#include <ardour/midi_port.h>
+#include "pbd/xml++.h"
+#include "pbd/memento_command.h"
+#include "pbd/enumwriter.h"
+
+#include "ardour/ardour.h"
+#include "ardour/audioengine.h"
+#include "ardour/configuration.h"
+#include "ardour/cycle_timer.h"
+#include "ardour/io.h"
+#include "ardour/midi_diskstream.h"
+#include "ardour/midi_playlist.h"
+#include "ardour/midi_port.h"
+#include "ardour/midi_region.h"
+#include "ardour/playlist_factory.h"
+#include "ardour/region_factory.h"
+#include "ardour/send.h"
+#include "ardour/session.h"
+#include "ardour/smf_source.h"
+#include "ardour/utils.h"
+
+#include "midi++/types.h"
#include "i18n.h"
#include <locale.h>
using namespace ARDOUR;
using namespace PBD;
+nframes_t MidiDiskstream::midi_readahead = 4096;
+
MidiDiskstream::MidiDiskstream (Session &sess, const string &name, Diskstream::Flag flag)
: Diskstream(sess, name, flag)
, _playback_buf(0)
, _capture_buf(0)
- //, _current_playback_buffer(0)
- //, _current_capture_buffer(0)
- //, _playback_wrap_buffer(0)
- //, _capture_wrap_buffer(0)
, _source_port(0)
- , _capture_transition_buf(0)
, _last_flush_frame(0)
, _note_mode(Sustained)
+ , _frames_written_to_ringbuffer(0)
+ , _frames_read_from_ringbuffer(0)
{
/* prevent any write sources from being created */
: Diskstream(sess, node)
, _playback_buf(0)
, _capture_buf(0)
- //, _current_playback_buffer(0)
- //, _current_capture_buffer(0)
- //, _playback_wrap_buffer(0)
- //, _capture_wrap_buffer(0)
, _source_port(0)
- , _capture_transition_buf(0)
, _last_flush_frame(0)
, _note_mode(Sustained)
+ , _frames_written_to_ringbuffer(0)
+ , _frames_read_from_ringbuffer(0)
{
in_set_state = true;
init (Recordable);
set_block_size (_session.get_block_size());
allocate_temporary_buffers ();
- _playback_buf = new MidiRingBuffer (_session.diskstream_buffer_size());
- _capture_buf = new MidiRingBuffer (_session.diskstream_buffer_size());
- _capture_transition_buf = new RingBufferNPT<CaptureTransition> (128);
+ const size_t size = _session.midi_diskstream_buffer_size();
+ _playback_buf = new MidiRingBuffer<nframes_t>(size);
+ _capture_buf = new MidiRingBuffer<nframes_t>(size);
_n_channels = ChanCount(DataType::MIDI, 1);
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?
+ if (_write_source) {
+ _write_source->set_timeline_position (position);
+ }
+ seek(position, false);
}
}
if (input_change_pending & ConfigurationChanged) {
- assert(_io->n_inputs() == _n_channels);
+ if (_io->n_ports().n_midi() != _n_channels.n_midi()) {
+ error << "Can not feed IO " << _io->n_ports()
+ << " with diskstream " << _n_channels << endl;
+ }
}
get_input_sources ();
void
MidiDiskstream::get_input_sources ()
{
- uint32_t ni = _io->n_inputs().n_midi();
+ uint32_t ni = _io->n_ports().n_midi();
if (ni == 0) {
return;
// This is all we do for now at least
assert(ni == 1);
- _source_port = _io->midi_input(0);
+ _source_port = _io->midi(0);
// do... stuff?
}
/* if per-track or global rec-enable turned on while the other was already on, we've started recording */
- if ((change & track_rec_enabled) && record_enabled() && (!(change & global_rec_enabled) && can_record) ||
+ if (((change & track_rec_enabled) && record_enabled() && (!(change & global_rec_enabled) && can_record)) ||
((change & global_rec_enabled) && can_record && (!(change & track_rec_enabled) && record_enabled()))) {
/* starting to record: compute first+last frames */
if (_alignment_style == ExistingMaterial) {
- if (!Config->get_punch_in()) {
+ if (!_session.config.get_punch_in()) {
/* manual punch in happens at the correct transport frame
because the user hit a button. but to get alignment correct
} else {
- if (Config->get_punch_in()) {
+ if (_session.config.get_punch_in()) {
first_recordable_frame += _roll_delay;
} else {
capture_start_frame -= _roll_delay;
}
- if (_flags & Recordable) {
- RingBufferNPT<CaptureTransition>::rw_vector transvec;
- _capture_transition_buf->get_write_vector(&transvec);
-
- if (transvec.len[0] > 0) {
- transvec.buf[0]->type = CaptureStart;
- transvec.buf[0]->capture_val = capture_start_frame;
- _capture_transition_buf->increment_write_ptr(1);
- } else {
- // bad!
- fatal << X_("programming error: capture_transition_buf is full on rec start! inconceivable!")
- << endmsg;
- }
- }
-
} else if (!record_enabled() || !can_record) {
/* stop recording */
last_possibly_recording = possibly_recording;
}
+#if 0
+static void
+trace_midi (ostream& o, MIDI::byte *msg, size_t len)
+{
+ using namespace MIDI;
+ eventType type;
+ const char trace_prefix = ':';
+
+ type = (eventType) (msg[0]&0xF0);
+
+ switch (type) {
+ case off:
+ o << trace_prefix
+ << "Channel "
+ << (msg[0]&0xF)+1
+ << " NoteOff NoteNum "
+ << (int) msg[1]
+ << " Vel "
+ << (int) msg[2]
+ << endl;
+ break;
+
+ case on:
+ o << trace_prefix
+ << "Channel "
+ << (msg[0]&0xF)+1
+ << " NoteOn NoteNum "
+ << (int) msg[1]
+ << " Vel "
+ << (int) msg[2]
+ << endl;
+ break;
+
+ case polypress:
+ o << trace_prefix
+ << "Channel "
+ << (msg[0]&0xF)+1
+ << " PolyPressure"
+ << (int) msg[1]
+ << endl;
+ break;
+
+ case MIDI::controller:
+ o << trace_prefix
+ << "Channel "
+ << (msg[0]&0xF)+1
+ << " Controller "
+ << (int) msg[1]
+ << " Value "
+ << (int) msg[2]
+ << endl;
+ break;
+
+ case program:
+ o << trace_prefix
+ << "Channel "
+ << (msg[0]&0xF)+1
+ << " Program Change ProgNum "
+ << (int) msg[1]
+ << endl;
+ break;
+
+ case chanpress:
+ o << trace_prefix
+ << "Channel "
+ << (msg[0]&0xF)+1
+ << " Channel Pressure "
+ << (int) msg[1]
+ << endl;
+ break;
+
+ case MIDI::pitchbend:
+ o << trace_prefix
+ << "Channel "
+ << (msg[0]&0xF)+1
+ << " Pitch Bend "
+ << ((msg[2]<<7)|msg[1])
+ << endl;
+ break;
+
+ case MIDI::sysex:
+ if (len == 1) {
+ switch (msg[0]) {
+ case 0xf8:
+ o << trace_prefix
+ << "Clock"
+ << endl;
+ break;
+ case 0xfa:
+ o << trace_prefix
+ << "Start"
+ << endl;
+ break;
+ case 0xfb:
+ o << trace_prefix
+ << "Continue"
+ << endl;
+ break;
+ case 0xfc:
+ o << trace_prefix
+ << "Stop"
+ << endl;
+ break;
+ case 0xfe:
+ o << trace_prefix
+ << "Active Sense"
+ << endl;
+ break;
+ case 0xff:
+ o << trace_prefix
+ << "System Reset"
+ << endl;
+ break;
+ default:
+ o << trace_prefix
+ << "System Exclusive (1 byte : " << hex << (int) *msg << dec << ')'
+ << endl;
+ break;
+ }
+ } else {
+ o << trace_prefix
+ << "System Exclusive (" << len << ") = [ " << hex;
+ for (unsigned int i = 0; i < len; ++i) {
+ o << (int) msg[i] << ' ';
+ }
+ o << dec << ']' << endl;
+
+ }
+ break;
+
+ case MIDI::song:
+ o << trace_prefix << "Song" << endl;
+ break;
+
+ case MIDI::tune:
+ o << trace_prefix << "Tune" << endl;
+ break;
+
+ case MIDI::eox:
+ o << trace_prefix << "End-of-System Exclusive" << endl;
+ break;
+
+ case MIDI::timing:
+ o << trace_prefix << "Timing" << endl;
+ break;
+
+ case MIDI::start:
+ o << trace_prefix << "Start" << endl;
+ break;
+
+ case MIDI::stop:
+ o << trace_prefix << "Stop" << endl;
+ break;
+
+ case MIDI::contineu:
+ o << trace_prefix << "Continue" << endl;
+ break;
+
+ case active:
+ o << trace_prefix << "Active Sense" << endl;
+ break;
+
+ default:
+ o << trace_prefix << "Unrecognized MIDI message" << endl;
+ break;
+ }
+}
+#endif
+
int
-MidiDiskstream::process (nframes_t transport_frame, nframes_t nframes, nframes_t offset, bool can_record, bool rec_monitors_input)
+MidiDiskstream::process (nframes_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input)
{
// FIXME: waay too much code to duplicate (AudioDiskstream::process)
int ret = -1;
nframes_t rec_nframes = 0;
bool nominally_recording;
bool re = record_enabled ();
- bool collect_playback = false;
+ bool collect_playback = true;
/* if we've already processed the frames corresponding to this call,
just return. this allows multiple routes that are taking input
return 0;
}
- /* This lock is held until the end of AudioDiskstream::commit, so these two functions
+ /* This lock is held until the end of ::commit, so these two functions
must always be called as a pair. The only exception is if this function
returns a non-zero value, in which case, ::commit should not be called.
*/
commit_should_unlock = true;
adjust_capture_position = 0;
- if (nominally_recording || (_session.get_record_enabled() && Config->get_punch_in())) {
+ if (nominally_recording || (_session.get_record_enabled() && _session.config.get_punch_in())) {
OverlapType ot;
ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
if (nominally_recording || rec_nframes) {
- assert(_source_port);
-
// 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);
-
- MidiBuffer::iterator port_iter = _source_port->get_midi_buffer().begin();
-
- 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;
+ MidiBuffer& buf = _source_port->get_midi_buffer(nframes);
+ for (MidiBuffer::iterator i = buf.begin(); i != buf.end(); ++i) {
+ const Evoral::MIDIEvent<MidiBuffer::TimeType> ev(*i, false);
+ assert(ev.buffer());
+ _capture_buf->write(ev.time() + transport_frame, ev.type(), ev.size(), ev.buffer());
}
} else {
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;
/* can't do actual capture yet - waiting for latency effects to finish before we start*/
playback_distance = nframes;
+ collect_playback = false;
- } else {
-
- collect_playback = true;
}
if (collect_playback) {
necessary_samples = nframes;
}
- // XXX XXX XXX XXX XXX XXX XXX XXX XXX XXX
- // Write into playback buffer here, and whatnot?
- //cerr << "MDS FIXME: collect playback" << endl;
-
+ // Pump entire port buffer into playback buffer (FIXME: split cycles?)
+ MidiBuffer& buf = _source_port->get_midi_buffer(nframes);
+ for (MidiBuffer::iterator i = buf.begin(); i != buf.end(); ++i) {
+ const Evoral::MIDIEvent<MidiBuffer::TimeType> ev(*i, false);
+ assert(ev.buffer());
+ _playback_buf->write(ev.time() + transport_frame, ev.type(), ev.size(), ev.buffer());
+ }
}
ret = 0;
adjust_capture_position = 0;
}
- if (_slaved) {
- need_butler = _playback_buf->write_space() >= _playback_buf->capacity() / 2;
- } else {
- need_butler = _playback_buf->write_space() >= disk_io_chunk_frames
- || _capture_buf->read_space() >= disk_io_chunk_frames;
+ uint32_t frames_read = g_atomic_int_get(&_frames_read_from_ringbuffer);
+ uint32_t frames_written = g_atomic_int_get(&_frames_written_to_ringbuffer);
+ if ((frames_written - frames_read) + nframes < midi_readahead) {
+ need_butler = true;
}
+
+ /*cerr << "MDS written: " << frames_written << " - read: " << frames_read <<
+ " = " << frames_written - frames_read
+ << " + " << nframes << " < " << midi_readahead << " = " << need_butler << ")" << endl;*/
if (commit_should_unlock) {
state_lock.unlock();
/* called from audio thread, so we can use the read ptr and playback sample as we wish */
pending_overwrite = yn;
-
+
overwrite_frame = playback_sample;
- //overwrite_offset = channels.front().playback_buf->get_read_ptr();
}
int
MidiDiskstream::overwrite_existing_buffers ()
{
- cerr << "MDS: overwrite_existing_buffers() (does nothing)" << endl;
+ //read(overwrite_frame, disk_io_chunk_frames, false);
+ overwrite_queued = false;
+ pending_overwrite = false;
+
return 0;
}
Glib::Mutex::Lock lm (state_lock);
int ret = -1;
- //cerr << "MDS: seek: " << frame << endl;
-
_playback_buf->reset();
_capture_buf->reset();
+ g_atomic_int_set(&_frames_read_from_ringbuffer, 0);
+ g_atomic_int_set(&_frames_written_to_ringbuffer, 0);
playback_sample = frame;
file_frame = frame;
int
MidiDiskstream::can_internal_playback_seek (nframes_t distance)
{
- if (_playback_buf->read_space() < distance) {
- return false;
- } else {
- return true;
- }
+ uint32_t frames_read = g_atomic_int_get(&_frames_read_from_ringbuffer);
+ uint32_t frames_written = g_atomic_int_get(&_frames_written_to_ringbuffer);
+ return ((frames_written - frames_read) < distance);
}
int
position within the loop.
*/
- if (loc && start >= loop_end) {
+ if (loc && (start >= loop_end)) {
//cerr << "start adjusted from " << start;
start = loop_start + ((start - loop_start) % loop_length);
//cerr << "to " << start << endl;
this_read = min(dur,this_read);
if (midi_playlist()->read (*_playback_buf, start, this_read) != this_read) {
- error << string_compose(_("MidiDiskstream %1: cannot read %2 from playlist at frame %3"), _id, this_read,
- start) << endmsg;
+ error << string_compose(
+ _("MidiDiskstream %1: cannot read %2 from playlist at frame %3"),
+ _id, this_read, start) << endmsg;
return -1;
}
+
+ //cout << "MDS this read " << this_read << " start = " << start << endl;
+ g_atomic_int_add(&_frames_written_to_ringbuffer, this_read);
_read_data_count = _playlist->read_data_count();
if (reversed) {
// Swap note ons with note offs here. etc?
- // Fully reversing MIDI required look-ahead (well, behind) to find previous
+ // Fully reversing MIDI requires look-ahead (well, behind) to find previous
// CC values etc. hard.
} else {
/* if we read to the end of the loop, go back to the beginning */
if (reloop) {
+ // Synthesize LoopEvent here, because the next events
+ // written will have non-monotonic timestamps.
+ _playback_buf->write(loop_end - 1, LoopEventType, 0, 0);
+ //cout << "Pushing LoopEvent ts=" << loop_end-1
+ // << " start+this_read " << start+this_read << endl;
+
start = loop_start;
} else {
start += this_read;
int
MidiDiskstream::do_refill ()
{
- int32_t ret = 0;
- size_t write_space = _playback_buf->write_space();
-
- bool reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
+ int ret = 0;
+ size_t write_space = _playback_buf->write_space();
+ bool reversed = (_visible_speed * _session.transport_speed()) < 0.0f;
if (write_space == 0) {
return 0;
}
-
- /* 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.
-
- at higher speeds, just do it because the sync between butler
- and audio thread may not be good enough.
- */
-
- if ((write_space < disk_io_chunk_frames) && fabs (_actual_speed) < 2.0f) {
- //cerr << "No refill 1\n";
- return 0;
- }
-
- /* when slaved, don't try to get too close to the read pointer. this
- leaves space for the buffer reversal to have something useful to
- work with.
- */
-
- if (_slaved && write_space < (_playback_buf->capacity() / 2)) {
- //cerr << "No refill 2\n";
- return 0;
- }
-
+
if (reversed) {
- //cerr << "No refill 3 (reverse)\n";
return 0;
}
+ /* at end: nothing to do */
if (file_frame == max_frames) {
- //cerr << "No refill 4 (EOF)\n";
-
- /* at end: nothing to do */
-
return 0;
}
assert(_playback_buf->write_space() > 0); // ... have something to write to, and
assert(file_frame <= max_frames); // ... something to write
- nframes_t file_frame_tmp = file_frame;
- nframes_t to_read = min(disk_io_chunk_frames, (max_frames - file_frame));
-
- // FIXME: read count?
- if (read (file_frame_tmp, to_read, reversed)) {
- ret = -1;
- goto out;
+ // now calculate how much time is in the ringbuffer.
+ // and lets write as much as we need to get this to be midi_readahead;
+ uint32_t frames_read = g_atomic_int_get(&_frames_read_from_ringbuffer);
+ uint32_t frames_written = g_atomic_int_get(&_frames_written_to_ringbuffer);
+ if ((frames_written - frames_read) >= midi_readahead) {
+ //cout << "MDS Nothing to do. all fine" << endl;
+ return 0;
}
- file_frame = file_frame_tmp;
+ nframes_t to_read = midi_readahead - (frames_written - frames_read);
-out:
+ //cout << "MDS read for midi_readahead " << to_read << " rb_contains: "
+ // << frames_written - frames_read << endl;
+ to_read = min(to_read, (max_frames - file_frame));
+
+ if (read (file_frame, to_read, reversed)) {
+ ret = -1;
+ }
+
return ret;
}
* written at all unless @a force_flush is true.
*/
int
-MidiDiskstream::do_flush (Session::RunContext context, bool force_flush)
+MidiDiskstream::do_flush (RunContext context, bool force_flush)
{
uint32_t to_write;
int32_t ret = 0;
- // FIXME: I'd be lying if I said I knew what this thing was
- //RingBufferNPT<CaptureTransition>::rw_vector transvec;
nframes_t total;
_write_data_count = 0;
+ total = _session.transport_frame() - _last_flush_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;
-
- if (total == 0 || _capture_buf->read_space() == 0 && _session.transport_speed() == 0 || (total < disk_io_chunk_frames && !force_flush && was_recording)) {
+ if (total == 0 || _capture_buf->read_space() == 0
+ || (!force_flush && (total < disk_io_chunk_frames && was_recording))) {
goto out;
}
ret = 1;
}
- //to_write = min (disk_io_chunk_frames, (nframes_t) vector.len[0]);
to_write = disk_io_chunk_frames;
assert(!destructive());
- 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) {
+ if (record_enabled()
+ && ( (_session.transport_frame() - _last_flush_frame > disk_io_chunk_frames)
+ || force_flush)) {
+ if ((!_write_source) || _write_source->midi_write (*_capture_buf, capture_start_frame, to_write) != to_write) {
error << string_compose(_("MidiDiskstream %1: cannot write to disk"), _id) << endmsg;
return -1;
} else {
}
out:
- //return ret;
- return 0; // FIXME: everything's fine! always! honest!
+ return ret;
}
void
*/
while (more_work && !err) {
- switch (do_flush (Session::TransportContext, true)) {
+ switch (do_flush (TransportContext, true)) {
case 0:
more_work = false;
break;
*/
try {
- 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)));
+ boost::shared_ptr<Region> rx (RegionFactory::create (srcs, 0,
+ total_capture, whole_file_region_name, 0,
+ Region::Flag (Region::DefaultFlags|Region::Automatic|Region::WholeFile)));
region = boost::dynamic_pointer_cast<MidiRegion> (rx);
region->special_set_position (capture_info.front()->start);
XMLNode &before = _playlist->get_state();
_playlist->freeze ();
- for (buffer_position = _write_source->last_capture_start_frame(), ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+ for (buffer_position = 0, ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
string region_name;
g_atomic_int_set (&_record_enabled, 1);
if (_source_port && Config->get_monitoring_model() == HardwareMonitoring) {
- _source_port->request_monitor_input (!(Config->get_auto_input() && rolling));
+ _source_port->request_monitor_input (!(_session.config.get_auto_input() && rolling));
}
// FIXME: Why is this necessary? Isn't needed for AudioDiskstream...
snprintf (buf, sizeof(buf), "0x%x", _flags);
node->add_property ("flags", buf);
+ node->add_property("channel-mode", enum_2_string(get_channel_mode()));
+
+ snprintf (buf, sizeof(buf), "0x%x", get_channel_mask());
+ node->add_property("channel-mask", buf);
+
node->add_property ("playlist", _playlist->name());
snprintf (buf, sizeof(buf), "%f", _visible_speed);
Location* pi;
- if (Config->get_punch_in() && ((pi = _session.locations()->auto_punch_location()) != 0)) {
- snprintf (buf, sizeof (buf), "%" PRIu32, pi->start());
+ if (_session.config.get_punch_in() && ((pi = _session.locations()->auto_punch_location()) != 0)) {
+ snprintf (buf, sizeof (buf), "%" PRId64, pi->start());
} else {
snprintf (buf, sizeof (buf), "%" PRIu32, _session.transport_frame());
}
_flags = Flag (string_2_enum (prop->value(), _flags));
}
+ ChannelMode channel_mode = AllChannels;
+ if ((prop = node.property ("channel-mode")) != 0) {
+ channel_mode = ChannelMode (string_2_enum(prop->value(), channel_mode));
+ }
+
+ unsigned int channel_mask = 0xFFFF;
+ if ((prop = node.property ("channel-mask")) != 0) {
+ sscanf (prop->value().c_str(), "0x%x", &channel_mask);
+ if (channel_mask & (~0xFFFF)) {
+ warning << _("MidiDiskstream: XML property channel-mask out of range") << endmsg;
+ }
+ }
+
+ set_channel_mode(channel_mode, channel_mask);
+
if ((prop = node.property ("channels")) != 0) {
nchans = atoi (prop->value().c_str());
}
MidiDiskstream::monitor_input (bool yn)
{
if (_source_port)
- _source_port->request_monitor_input (yn);
- else
- cerr << "MidiDiskstream NO SOURCE PORT TO MONITOR\n";
+ _source_port->ensure_monitor_input (yn);
}
void
(double) _capture_buf->capacity());
}
-
int
MidiDiskstream::use_pending_capture_data (XMLNode& node)
{
* so that an event at \a start has time = 0
*/
void
-MidiDiskstream::get_playback(MidiBuffer& dst, nframes_t start, nframes_t end)
+MidiDiskstream::get_playback (MidiBuffer& dst, nframes_t start, nframes_t end)
{
dst.clear();
assert(dst.size() == 0);
return;
}
+ // Check only events added this offset cycle
+ MidiBuffer::iterator this_cycle_start = dst.end();
+
// Translates stamps to be relative to start
- _playback_buf->read(dst, start, end);
+ #if 1
+ _playback_buf->read(dst, start, end);
+ #else
+ const size_t events_read = _playback_buf->read(dst, start, end);
+ cout << "MDS events read = " << events_read
+ << " start = " << start << " end = " << end
+ << " readspace " << _playback_buf->read_space()
+ << " writespace " << _playback_buf->write_space() << endl;
+ #endif
+
+ gint32 frames_read = end - start;
+ g_atomic_int_add(&_frames_read_from_ringbuffer, frames_read);
+
+ // Feed the data through the MidiStateTracker
+ // If it detects a LoopEvent it will add necessary note offs
+ if (_midi_state_tracker.track(this_cycle_start, dst.end())) {
+ _midi_state_tracker.resolve_notes(dst, end-start - 1);
+ }
}
+