#include "ardour/debug.h"
#include "ardour/io.h"
#include "ardour/midi_diskstream.h"
+#include "ardour/midi_model.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/route.h"
#include "ardour/send.h"
#include "ardour/session.h"
+#include "ardour/session_playlists.h"
#include "ardour/smf_source.h"
#include "ardour/utils.h"
-#include "ardour/session_playlists.h"
-#include "ardour/route.h"
#include "midi++/types.h"
: Diskstream(sess, name, flag)
, _playback_buf(0)
, _capture_buf(0)
- , _source_port(0)
- , _last_flush_frame(0)
, _note_mode(Sustained)
, _frames_written_to_ringbuffer(0)
, _frames_read_from_ringbuffer(0)
+ , _gui_feed_buffer(AudioEngine::instance()->raw_buffer_size (DataType::MIDI))
{
- /* prevent any write sources from being created */
-
in_set_state = true;
init ();
: Diskstream(sess, node)
, _playback_buf(0)
, _capture_buf(0)
- , _source_port(0)
- , _last_flush_frame(0)
, _note_mode(Sustained)
, _frames_written_to_ringbuffer(0)
, _frames_read_from_ringbuffer(0)
+ , _gui_feed_buffer(AudioEngine::instance()->raw_buffer_size (DataType::MIDI))
{
in_set_state = true;
if (_write_source) {
_write_source->set_timeline_position (position);
}
- seek(position, false);
+ seek (position, false);
}
}
if (input_change_pending.type & IOChange::ConfigurationChanged) {
- if (_io->n_ports().n_midi() != _n_channels.n_midi()) {
- error << "Can not feed IO " << _io->n_ports()
- << " with diskstream " << _n_channels << endl;
+ uint32_t ni = _io->n_ports().n_midi();
+
+ if (ni != _n_channels.n_midi()) {
+ error << string_compose (_("%1: I/O configuration change %4 requested to use %2, but channel setup is %3"),
+ name(),
+ _io->n_ports(),
+ _n_channels, input_change_pending.type)
+ << endmsg;
+ }
+
+ if (ni == 0) {
+ _source_port.reset ();
+ } else {
+ _source_port = _io->midi(0);
}
}
- get_input_sources ();
- set_capture_offset ();
- set_align_style_from_io ();
+ if (input_change_pending.type & IOChange::ConnectionsChanged) {
+ set_capture_offset ();
+ set_align_style_from_io ();
+ }
input_change_pending.type = IOChange::NoChange;
seek (_session.transport_frame());
}
- _last_flush_frame = _session.transport_frame();
-}
-
-void
-MidiDiskstream::get_input_sources ()
-{
- uint32_t ni = _io->n_ports().n_midi();
-
- if (ni == 0) {
- return;
+ if (_write_source) {
+ _write_source->set_last_write_end (_session.transport_frame());
}
-
- // This is all we do for now at least
- assert(ni == 1);
-
- _source_port = _io->midi(0);
-
- // do... stuff?
}
int
if ((playlist = boost::dynamic_pointer_cast<MidiPlaylist> (PlaylistFactory::create (
DataType::MIDI, _session, newname, hidden()))) != 0) {
- playlist->set_orig_diskstream_id (id());
return use_playlist (playlist);
} else {
newname = Playlist::bump_name (_playlist->name(), _session);
if ((playlist = boost::dynamic_pointer_cast<MidiPlaylist>(PlaylistFactory::create (midi_playlist(), newname))) != 0) {
- playlist->set_orig_diskstream_id (id());
return use_playlist (playlist);
} else {
return -1;
int
MidiDiskstream::set_destructive (bool yn)
{
+ yn = 0; // stop pedantic gcc complaints about unused parameter
assert( ! destructive());
assert( ! yn);
return -1;
#endif
int
-MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, bool can_record, bool rec_monitors_input, bool& need_butler)
+MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance)
{
- int ret = -1;
framecnt_t rec_offset = 0;
framecnt_t rec_nframes = 0;
bool nominally_recording;
bool re = record_enabled ();
+ bool can_record = _session.actively_recording ();
playback_distance = 0;
return 0;
}
+ boost::shared_ptr<MidiPort> sp = _source_port.lock ();
+
+ if (sp == 0) {
+ return 1;
+ }
+
Glib::Mutex::Lock sm (state_lock, Glib::TRY_LOCK);
if (!sm.locked()) {
}
}
-
if (can_record && !_last_capture_sources.empty()) {
_last_capture_sources.clear ();
}
if (nominally_recording || rec_nframes) {
// Pump entire port buffer into the ring buffer (FIXME: split cycles?)
- MidiBuffer& buf = _source_port->get_midi_buffer(nframes);
+ MidiBuffer& buf = sp->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());
+#ifndef NDEBUG
+ if (DEBUG::MidiIO & PBD::debug_bits) {
+ const uint8_t* __data = ev.buffer();
+ DEBUG_STR_DECL(a);
+ DEBUG_STR_APPEND(a, string_compose ("mididiskstream %1 capture event @ %2 + %3 sz %4 ", this, ev.time(), transport_frame, ev.size()));
+ for (size_t i=0; i < ev.size(); ++i) {
+ DEBUG_STR_APPEND(a,hex);
+ DEBUG_STR_APPEND(a,"0x");
+ DEBUG_STR_APPEND(a,(int)__data[i]);
+ DEBUG_STR_APPEND(a,' ');
+ }
+ DEBUG_STR_APPEND(a,'\n');
+ DEBUG_TRACE (DEBUG::MidiIO, DEBUG_STR(a).str());
+ }
+#endif
_capture_buf->write(ev.time() + transport_frame, ev.type(), ev.size(), ev.buffer());
}
if (buf.size() != 0) {
- /* Make a copy of this data and emit it for the GUI to see */
- boost::shared_ptr<MidiBuffer> copy (new MidiBuffer (buf.capacity ()));
- for (MidiBuffer::iterator i = buf.begin(); i != buf.end(); ++i) {
- copy->push_back ((*i).time() + transport_frame, (*i).size(), (*i).buffer());
+ Glib::Mutex::Lock lm (_gui_feed_buffer_mutex, Glib::TRY_LOCK);
+
+ if (lm.locked ()) {
+ /* Copy this data into our GUI feed buffer and tell the GUI
+ that it can read it if it likes.
+ */
+ _gui_feed_buffer.clear ();
+
+ for (MidiBuffer::iterator i = buf.begin(); i != buf.end(); ++i) {
+ /* This may fail if buf is larger than _gui_feed_buffer, but it's not really
+ the end of the world if it does.
+ */
+ _gui_feed_buffer.push_back ((*i).time() + transport_frame, (*i).size(), (*i).buffer());
+ }
}
- DataRecorded (copy, _write_source); /* EMIT SIGNAL */
+ DataRecorded (_write_source); /* EMIT SIGNAL */
}
} else {
if (was_recording) {
- finish_capture (rec_monitors_input);
+ finish_capture ();
}
}
}
- ret = 0;
-
- if (commit (nframes)) {
- need_butler = true;
- }
-
- return ret;
+ return 0;
}
bool
-MidiDiskstream::commit (framecnt_t nframes)
+MidiDiskstream::commit (framecnt_t playback_distance)
{
bool need_butler = false;
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) {
+ if ((frames_written - frames_read) + playback_distance < midi_readahead) {
need_butler = true;
}
/* called from audio thread, so we can use the read ptr and playback sample as we wish */
_pending_overwrite = yn;
-
overwrite_frame = playback_sample;
}
g_atomic_int_set (&_frames_written_to_ringbuffer, 0);
read (overwrite_frame, disk_io_chunk_frames, false);
+ file_frame = overwrite_frame; // it was adjusted by ::read()
overwrite_queued = false;
_pending_overwrite = false;
start = loop_start + ((start - loop_start) % loop_length);
//cerr << "to " << start << endl;
}
- //cerr << "start is " << start << " loopstart: " << loop_start << " loopend: " << loop_end << endl;
+ // cerr << "start is " << start << " loopstart: " << loop_start << " loopend: " << loop_end << endl;
}
while (dur) {
/* take any loop into account. we can't read past the end of the loop. */
- if (loc && (loop_end - start < dur)) {
+ if (loc && (loop_end - start <= dur)) {
this_read = loop_end - start;
- //cerr << "reloop true: thisread: " << this_read << " dur: " << dur << endl;
+ // cerr << "reloop true: thisread: " << this_read << " dur: " << dur << endl;
reloop = true;
} else {
reloop = false;
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;
+ id(), this_read, start) << endmsg;
return -1;
}
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?
int
MidiDiskstream::do_flush (RunContext /*context*/, bool force_flush)
{
- uint32_t to_write;
- int32_t ret = 0;
+ framecnt_t to_write;
framecnt_t total;
+ int32_t ret = 0;
- _write_data_count = 0;
+ if (!_write_source) {
+ return 0;
+ }
- total = _session.transport_frame() - _last_flush_frame;
+ assert (!destructive());
- if (_last_flush_frame > _session.transport_frame() || _last_flush_frame < capture_start_frame) {
- _last_flush_frame = _session.transport_frame();
- }
+ total = _session.transport_frame() - _write_source->last_write_end();
- if (total == 0 || _capture_buf->read_space() == 0
- || (!force_flush && (total < disk_io_chunk_frames && 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 = disk_io_chunk_frames;
-
- assert(!destructive());
+ if (force_flush) {
+ /* push out everything we have, right now */
+ to_write = max_framecnt;
+ } else {
+ to_write = disk_io_chunk_frames;
+ }
- if (record_enabled() &&
- ((_session.transport_frame() - _last_flush_frame > disk_io_chunk_frames) ||
- force_flush)) {
- if ((!_write_source) || _write_source->midi_write (*_capture_buf, get_capture_start_frame (0), to_write) != to_write) {
- error << string_compose(_("MidiDiskstream %1: cannot write to disk"), _id) << endmsg;
+ if (record_enabled() && ((total > disk_io_chunk_frames) || force_flush)) {
+ if (_write_source->midi_write (*_capture_buf, get_capture_start_frame (0), to_write) != to_write) {
+ error << string_compose(_("MidiDiskstream %1: cannot write to disk"), id()) << endmsg;
return -1;
- } else {
- _last_flush_frame = _session.transport_frame();
- }
+ }
}
out:
MidiRegion::SourceList srcs;
MidiRegion::SourceList::iterator src;
vector<CaptureInfo*>::iterator ci;
- bool mark_write_completed = false;
- finish_capture (true);
+ finish_capture ();
/* butler is already stopped, but there may be work to do
to flush remaining data to disk.
Glib::Mutex::Lock lm (capture_info_lock);
if (capture_info.empty()) {
- return;
+ goto no_capture_stuff_to_do;
}
if (abort_capture) {
_write_source->set_timeline_position (capture_info.front()->start);
_write_source->set_captured_for (_name);
+ /* set length in beats to entire capture length */
+
+ BeatsFramesConverter converter (_session.tempo_map(), capture_info.front()->start);
+ const double total_capture_beats = converter.from (total_capture);
+ _write_source->set_length_beats (total_capture_beats);
+
/* flush to disk: this step differs from the audio path,
where all the data is already on disk.
*/
- _write_source->mark_streaming_write_completed ();
-
- /* set length in beats to entire capture length */
-
- BeatsFramesConverter converter (_session.tempo_map(), capture_info.front()->start);
- const double total_capture_beats = converter.from(total_capture);
- _write_source->set_length_beats(total_capture_beats);
+ _write_source->mark_midi_streaming_write_completed (Evoral::Sequence<Evoral::MusicalTime>::ResolveStuckNotes, total_capture_beats);
/* we will want to be able to keep (over)writing the source
but we don't want it to be removable. this also differs
_write_source.reset();
}
}
-
- mark_write_completed = true;
}
use_new_write_source (0);
delete *ci;
}
- if (_playlist) {
- midi_playlist()->clear_note_trackers ();
- }
-
capture_info.clear ();
capture_start_frame = 0;
+
+ no_capture_stuff_to_do:
+
+ reset_tracker ();
}
void
}
}
- finish_capture (true);
+ finish_capture ();
// the next region will start recording via the normal mechanism
// we'll set the start position to the current transport pos
last_recordable_frame = max_framepos;
was_recording = true;
}
+
+ if (!Config->get_seamless_loop()) {
+ reset_tracker ();
+ }
}
void
-MidiDiskstream::finish_capture (bool /*rec_monitors_input*/)
+MidiDiskstream::finish_capture ()
{
was_recording = false;
g_atomic_int_set (&_record_enabled, 1);
- if (_source_port && Config->get_monitoring_model() == HardwareMonitoring) {
- _source_port->request_monitor_input (!(_session.config.get_auto_input() && rolling));
+ boost::shared_ptr<MidiPort> sp = _source_port.lock ();
+
+ if (sp && Config->get_monitoring_model() == HardwareMonitoring) {
+ sp->request_jack_monitors_input (!(_session.config.get_auto_input() && rolling));
}
RecordEnableChanged (); /* EMIT SIGNAL */
}
}
- if (Diskstream::set_state (node, version)) {
- return -1;
- }
+ if (Diskstream::set_state (node, version)) {
+ return -1;
+ }
ChannelMode channel_mode = AllChannels;
if ((prop = node.property ("channel-mode")) != 0) {
}
- if (capture_pending_node) {
- use_pending_capture_data (*capture_pending_node);
- }
+ if (capture_pending_node) {
+ use_pending_capture_data (*capture_pending_node);
+ }
set_channel_mode (channel_mode, channel_mask);
{
list<boost::shared_ptr<Source> > ret;
- /* put some data on the disk, even if its just a header for an empty file.
- XXX should we not have a more direct method for doing this? Maybe not
- since we don't want to mess around with the model/disk relationship
- that the Source has to pay attention to.
- */
-
- boost::dynamic_pointer_cast<MidiSource>(_write_source)->session_saved ();
+ /* put some data on the disk, even if its just a header for an empty file */
+ boost::dynamic_pointer_cast<SMFSource> (_write_source)->ensure_disk_file ();
/* never let it go away */
_write_source->mark_nonremovable ();
use_new_write_source (0);
}
-int
-MidiDiskstream::rename_write_sources ()
-{
- if (_write_source != 0) {
- _write_source->set_source_name (_name.val(), destructive());
- /* XXX what to do if this fails ? */
- }
- return 0;
-}
-
void
MidiDiskstream::set_block_size (pframes_t /*nframes*/)
{
}
void
-MidiDiskstream::monitor_input (bool yn)
+MidiDiskstream::ensure_jack_monitors_input (bool yn)
{
- if (_source_port)
- _source_port->ensure_monitor_input (yn);
+ boost::shared_ptr<MidiPort> sp = _source_port.lock ();
+
+ if (sp) {
+ sp->ensure_jack_monitors_input (yn);
+ }
}
void
MidiDiskstream::set_align_style_from_io ()
{
- bool have_physical = false;
-
- if (_alignment_choice != Automatic) {
- return;
- }
-
- if (_io == 0) {
+ if (_alignment_choice != Automatic) {
return;
}
- get_input_sources ();
-
- if (_source_port && _source_port->flags() & JackPortIsPhysical) {
- have_physical = true;
- }
+ /* XXX Not sure what, if anything we can do with MIDI
+ as far as capture alignment etc.
+ */
- if (have_physical) {
- set_align_style (ExistingMaterial);
- } else {
- set_align_style (CaptureTime);
- }
+ set_align_style (ExistingMaterial);
}
float
MidiDiskstream::playback_buffer_load () const
{
- return (float) ((double) _playback_buf->read_space()/
- (double) _playback_buf->capacity());
+ /* For MIDI it's not trivial to differentiate the following two cases:
+
+ 1. The playback buffer is empty because the system has run out of time to fill it.
+ 2. The playback buffer is empty because there is no more data on the playlist.
+
+ If we use a simple buffer load computation, we will report that the MIDI diskstream
+ cannot keep up when #2 happens, when in fact it can. Since MIDI data rates
+ are so low compared to audio, just give a pretend answer here.
+ */
+
+ return 1;
}
float
MidiDiskstream::capture_buffer_load () const
{
- return (float) ((double) _capture_buf->write_space()/
- (double) _capture_buf->capacity());
+ /* We don't report playback buffer load, so don't report capture load either */
+
+ return 1;
}
int
return 0;
}
-/** Writes playback events in the given range to \a dst, translating time stamps
- * so that an event at \a start has time = 0
+/** Writes playback events from playback_sample for nframes to dst, translating time stamps
+ * so that an event at playback_sample has time = 0
*/
void
-MidiDiskstream::get_playback (MidiBuffer& dst, framepos_t start, framepos_t end)
+MidiDiskstream::get_playback (MidiBuffer& dst, framecnt_t nframes)
{
dst.clear();
assert(dst.size() == 0);
- // Reverse. ... We just don't do reverse, ok? Back off.
- if (end <= start) {
- return;
- }
-
- // Translates stamps to be relative to start
-
-
#ifndef NDEBUG
- const size_t events_read = _playback_buf->read(dst, start, end);
- DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose ("%1 MDS events read %2 range %3 .. %4 rspace %5 wspace %6\n", _name, events_read, start, end,
- _playback_buf->read_space(), _playback_buf->write_space()));
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose (
+ "%1 MDS pre-read read %4..%5 from %2 write to %3\n", _name,
+ _playback_buf->get_read_ptr(), _playback_buf->get_write_ptr(), playback_sample, playback_sample + nframes));
+// cerr << "================\n";
+// _playback_buf->dump (cerr);
+// cerr << "----------------\n";
+
+ const size_t events_read = _playback_buf->read (dst, playback_sample, playback_sample + nframes);
+ DEBUG_TRACE (DEBUG::MidiDiskstreamIO, string_compose (
+ "%1 MDS events read %2 range %3 .. %4 rspace %5 wspace %6 r@%7 w@%8\n",
+ _name, events_read, playback_sample, playback_sample + nframes,
+ _playback_buf->read_space(), _playback_buf->write_space(),
+ _playback_buf->get_read_ptr(), _playback_buf->get_write_ptr()));
#else
- _playback_buf->read(dst, start, end);
+ _playback_buf->read (dst, playback_sample, playback_sample + nframes);
#endif
- gint32 frames_read = end - start;
- g_atomic_int_add(&_frames_read_from_ringbuffer, frames_read);
+ g_atomic_int_add (&_frames_read_from_ringbuffer, nframes);
+}
+
+bool
+MidiDiskstream::set_name (string const & name)
+{
+ Diskstream::set_name (name);
+
+ /* get a new write source so that its name reflects the new diskstream name */
+ use_new_write_source (0);
+
+ return true;
+}
+
+boost::shared_ptr<MidiBuffer>
+MidiDiskstream::get_gui_feed_buffer () const
+{
+ boost::shared_ptr<MidiBuffer> b (new MidiBuffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI)));
+
+ Glib::Mutex::Lock lm (_gui_feed_buffer_mutex);
+ b->copy (_gui_feed_buffer);
+ return b;
}
+void
+MidiDiskstream::reset_tracker ()
+{
+ _playback_buf->reset_tracker ();
+
+ boost::shared_ptr<MidiPlaylist> mp (midi_playlist());
+
+ if (mp) {
+ mp->clear_note_trackers ();
+ }
+}
projects / ardour.git / blobdiff