#include "pbd/xml++.h"
#include "pbd/memento_command.h"
#include "pbd/enumwriter.h"
+#include "pbd/stateful_diff_command.h"
+#include "pbd/stacktrace.h"
#include "ardour/ardour.h"
#include "ardour/audioengine.h"
#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"
using namespace ARDOUR;
using namespace PBD;
-nframes_t MidiDiskstream::midi_readahead = 4096;
+framecnt_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)
- , _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(flag);
+ init ();
use_new_playlist ();
+ use_new_write_source (0);
in_set_state = false;
: 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;
- init (Recordable);
+
+ init ();
if (set_state (node, Stateful::loading_state_version)) {
in_set_state = false;
throw failed_constructor();
}
- in_set_state = false;
+ use_new_write_source (0);
- if (destructive()) {
- use_destructive_playlist ();
- }
+ in_set_state = false;
}
void
-MidiDiskstream::init (Diskstream::Flag f)
+MidiDiskstream::init ()
{
- Diskstream::init(f);
-
/* there are no channels at this point, so these
two calls just get speed_buffer_size and wrap_buffer
size setup without duplicating their code.
allocate_temporary_buffers ();
const size_t size = _session.butler()->midi_diskstream_buffer_size();
- _playback_buf = new MidiRingBuffer<nframes_t>(size);
- _capture_buf = new MidiRingBuffer<nframes_t>(size);
+ _playback_buf = new MidiRingBuffer<framepos_t>(size);
+ _capture_buf = new MidiRingBuffer<framepos_t>(size);
_n_channels = ChanCount(DataType::MIDI, 1);
void
-MidiDiskstream::non_realtime_locate (nframes_t position)
+MidiDiskstream::non_realtime_locate (framepos_t position)
{
if (_write_source) {
_write_source->set_timeline_position (position);
}
- seek(position, false);
+ seek (position, false);
}
{
Glib::Mutex::Lock lm (state_lock);
- if (input_change_pending == NoChange) {
+ if (input_change_pending.type == IOChange::NoChange) {
return;
}
- if (input_change_pending & ConfigurationChanged) {
- if (_io->n_ports().n_midi() != _n_channels.n_midi()) {
- error << "Can not feed IO " << _io->n_ports()
- << " with diskstream " << _n_channels << endl;
+ if (input_change_pending.type & IOChange::ConfigurationChanged) {
+ 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;
}
- }
- get_input_sources ();
- set_capture_offset ();
+ if (ni == 0) {
+ _source_port.reset ();
+ } else {
+ _source_port = _io->midi(0);
+ }
+ }
- if (first_input_change) {
- set_align_style (_persistent_alignment_style);
- first_input_change = false;
- } else {
+ if (input_change_pending.type & IOChange::ConnectionsChanged) {
+ set_capture_offset ();
set_align_style_from_io ();
}
- input_change_pending = NoChange;
+ input_change_pending.type = IOChange::NoChange;
/* implicit unlock */
}
- /* reset capture files */
-
- reset_write_sources (false);
+ /* unlike with audio, there is never any need to reset write sources
+ based on input configuration changes because ... a MIDI track
+ has just 1 MIDI port as input, always.
+ */
/* now refill channel buffers */
if (speed() != 1.0f || speed() != -1.0f) {
- seek ((nframes_t) (_session.transport_frame() * (double) speed()));
+ seek ((framepos_t) (_session.transport_frame() * (double) speed()));
}
else {
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
{
boost::shared_ptr<MidiPlaylist> playlist;
- if ((playlist = boost::dynamic_pointer_cast<MidiPlaylist> (_session.playlists.by_name (name))) == 0) {
+ if ((playlist = boost::dynamic_pointer_cast<MidiPlaylist> (_session.playlists->by_name (name))) == 0) {
playlist = boost::dynamic_pointer_cast<MidiPlaylist> (PlaylistFactory::create (DataType::MIDI, _session, name));
}
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 (nframes_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input)
+MidiDiskstream::process (framepos_t transport_frame, pframes_t nframes, framecnt_t& playback_distance)
{
- int ret = -1;
- nframes_t rec_offset = 0;
- nframes_t rec_nframes = 0;
+ framecnt_t rec_offset = 0;
+ framecnt_t rec_nframes = 0;
bool nominally_recording;
bool re = record_enabled ();
+ bool can_record = _session.actively_recording ();
- /* if we've already processed the frames corresponding to this call,
- just return. this allows multiple routes that are taking input
- from this diskstream to call our ::process() method, but have
- this stuff only happen once. more commonly, it allows both
- the AudioTrack that is using this AudioDiskstream *and* the Session
- to call process() without problems.
- */
+ playback_distance = 0;
- if (_processed) {
- return 0;
- }
-
- commit_should_unlock = false;
-
- check_record_status (transport_frame, nframes, can_record);
+ check_record_status (transport_frame, can_record);
nominally_recording = (can_record && re);
if (nframes == 0) {
- _processed = true;
return 0;
}
- /* 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.
- */
+ boost::shared_ptr<MidiPort> sp = _source_port.lock ();
+
+ if (sp == 0) {
+ return 1;
+ }
+
+ Glib::Mutex::Lock sm (state_lock, Glib::TRY_LOCK);
- // If we can't take the state lock return.
- if (!state_lock.trylock()) {
+ if (!sm.locked()) {
return 1;
}
- commit_should_unlock = true;
+
adjust_capture_position = 0;
- if (nominally_recording || (_session.get_record_enabled() && _session.config.get_punch_in())) {
+ if (nominally_recording || (re && was_recording && _session.get_record_enabled() && _session.config.get_punch_in())) {
OverlapType ot = coverage (first_recordable_frame, last_recordable_frame, transport_frame, transport_frame + nframes);
calculate_record_range(ot, transport_frame, nframes, rec_nframes, rec_offset);
if (rec_nframes && !was_recording) {
+ _write_source->mark_write_starting_now ();
capture_captured = 0;
was_recording = true;
}
}
-
- if (can_record && !_last_capture_regions.empty()) {
- _last_capture_regions.clear ();
+ 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) {
+ 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 (_write_source); /* EMIT SIGNAL */
+ }
+
} else {
if (was_recording) {
- finish_capture (rec_monitors_input);
+ finish_capture ();
}
}
playback_distance = nframes;
- }
-
- ret = 0;
-
- _processed = true;
+ } else {
- if (ret) {
+ /* XXX: should be doing varispeed stuff here, similar to the code in AudioDiskstream::process */
- /* we're exiting with failure, so ::commit will not
- be called. unlock the state lock.
- */
+ playback_distance = nframes;
- commit_should_unlock = false;
- state_lock.unlock();
}
- return ret;
+ return 0;
}
bool
-MidiDiskstream::commit (nframes_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;
}
" = " << frames_written - frames_read
<< " + " << nframes << " < " << midi_readahead << " = " << need_butler << ")" << endl;*/
- if (commit_should_unlock) {
- state_lock.unlock();
- }
-
- _processed = false;
-
return need_butler;
}
{
/* called from audio thread, so we can use the read ptr and playback sample as we wish */
- pending_overwrite = yn;
-
+ _pending_overwrite = yn;
overwrite_frame = playback_sample;
}
int
MidiDiskstream::overwrite_existing_buffers ()
{
- //read(overwrite_frame, disk_io_chunk_frames, false);
+ /* This is safe as long as the butler thread is suspended, which it should be */
+ _playback_buf->reset ();
+
+ g_atomic_int_set (&_frames_read_from_ringbuffer, 0);
+ 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;
+ _pending_overwrite = false;
return 0;
}
int
-MidiDiskstream::seek (nframes_t frame, bool complete_refill)
+MidiDiskstream::seek (framepos_t frame, bool complete_refill)
{
Glib::Mutex::Lock lm (state_lock);
int ret = -1;
}
int
-MidiDiskstream::can_internal_playback_seek (nframes_t distance)
+MidiDiskstream::can_internal_playback_seek (framecnt_t distance)
{
uint32_t frames_read = g_atomic_int_get(&_frames_read_from_ringbuffer);
uint32_t frames_written = g_atomic_int_get(&_frames_written_to_ringbuffer);
}
int
-MidiDiskstream::internal_playback_seek (nframes_t distance)
+MidiDiskstream::internal_playback_seek (framecnt_t distance)
{
first_recordable_frame += distance;
playback_sample += distance;
/** @a start is set to the new frame position (TIME) read up to */
int
-MidiDiskstream::read (nframes_t& start, nframes_t dur, bool reversed)
+MidiDiskstream::read (framepos_t& start, framecnt_t dur, bool reversed)
{
- nframes_t this_read = 0;
+ framecnt_t this_read = 0;
bool reloop = false;
- nframes_t loop_end = 0;
- nframes_t loop_start = 0;
- nframes_t loop_length = 0;
+ framepos_t loop_end = 0;
+ framepos_t loop_start = 0;
Location *loc = 0;
if (!reversed) {
+
+ framecnt_t loop_length = 0;
+
/* Make the use of a Location atomic for this read operation.
Note: Locations don't get deleted, so all we care about
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?
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;
-
+ _playback_buf->write(loop_end - 1, LoopEventType, sizeof (framepos_t), (uint8_t *) &loop_start);
start = loop_start;
} else {
start += this_read;
}
/* at end: nothing to do */
- if (file_frame == max_frames) {
+ if (file_frame == max_framepos) {
return 0;
}
// At this point we...
assert(_playback_buf->write_space() > 0); // ... have something to write to, and
- assert(file_frame <= max_frames); // ... something to write
+ assert(file_frame <= max_framepos); // ... something to write
// 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;
}
- nframes_t to_read = midi_readahead - (frames_written - frames_read);
+ framecnt_t to_read = midi_readahead - (frames_written - frames_read);
//cout << "MDS read for midi_readahead " << to_read << " rb_contains: "
// << frames_written - frames_read << endl;
- to_read = min(to_read, (max_frames - file_frame));
+ to_read = (framecnt_t) min ((framecnt_t) to_read, (framecnt_t) (max_framepos - file_frame));
if (read (file_frame, to_read, reversed)) {
ret = -1;
int
MidiDiskstream::do_flush (RunContext /*context*/, bool force_flush)
{
- uint32_t to_write;
+ framecnt_t to_write;
+ framecnt_t total;
int32_t ret = 0;
- nframes_t total;
- _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, capture_start_frame, 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:
}
void
-MidiDiskstream::transport_stopped (struct tm& /*when*/, time_t /*twhen*/, bool abort_capture)
+MidiDiskstream::transport_stopped_wallclock (struct tm& /*when*/, time_t /*twhen*/, bool abort_capture)
{
- uint32_t buffer_position;
bool more_work = true;
int err = 0;
boost::shared_ptr<MidiRegion> region;
- nframes_t total_capture;
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.
while (more_work && !err) {
switch (do_flush (TransportContext, true)) {
- case 0:
- more_work = false;
- break;
- case 1:
- break;
- case -1:
- error << string_compose(_("MidiDiskstream \"%1\": cannot flush captured data to disk!"), _name) << endmsg;
- err++;
+ case 0:
+ more_work = false;
+ break;
+ case 1:
+ break;
+ case -1:
+ error << string_compose(_("MidiDiskstream \"%1\": cannot flush captured data to disk!"), _name) << endmsg;
+ err++;
}
}
Glib::Mutex::Lock lm (capture_info_lock);
if (capture_info.empty()) {
- return;
+ goto no_capture_stuff_to_do;
}
if (abort_capture) {
if (_write_source) {
-
_write_source->mark_for_remove ();
_write_source->drop_references ();
_write_source.reset();
assert(_write_source);
- for (total_capture = 0, ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+ framecnt_t total_capture = 0;
+ for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
total_capture += (*ci)->frames;
}
- /* figure out the name for this take */
+ if (_write_source->length (capture_info.front()->start) != 0) {
- srcs.push_back (_write_source);
- _write_source->set_timeline_position (capture_info.front()->start);
- _write_source->set_captured_for (_name);
+ /* phew, we have data */
- string whole_file_region_name;
- whole_file_region_name = region_name_from_path (_write_source->name(), true);
+ /* figure out the name for this take */
- /* 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!)
- */
+ srcs.push_back (_write_source);
- try {
- boost::shared_ptr<Region> rx (RegionFactory::create (srcs, 0,
- total_capture, whole_file_region_name, 0,
- Region::Flag (Region::DefaultFlags|Region::Automatic|Region::WholeFile)));
+ _write_source->set_timeline_position (capture_info.front()->start);
+ _write_source->set_captured_for (_name);
- region = boost::dynamic_pointer_cast<MidiRegion> (rx);
- region->special_set_position (capture_info.front()->start);
- }
+ /* 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);
- catch (failed_constructor& err) {
- error << string_compose(_("%1: could not create region for complete midi file"), _name) << endmsg;
- /* XXX what now? */
- }
+ /* flush to disk: this step differs from the audio path,
+ where all the data is already on disk.
+ */
- _last_capture_regions.push_back (region);
+ _write_source->mark_midi_streaming_write_completed (Evoral::Sequence<Evoral::MusicalTime>::ResolveStuckNotes, total_capture_beats);
- // cerr << _name << ": there are " << capture_info.size() << " capture_info records\n";
+ /* we will want to be able to keep (over)writing the source
+ but we don't want it to be removable. this also differs
+ from the audio situation, where the source at this point
+ must be considered immutable. luckily, we can rely on
+ MidiSource::mark_streaming_write_completed() to have
+ already done the necessary work for that.
+ */
- XMLNode &before = _playlist->get_state();
- _playlist->freeze ();
+ string whole_file_region_name;
+ whole_file_region_name = region_name_from_path (_write_source->name(), true);
- for (buffer_position = 0, ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+ /* 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!)
+ */
- string region_name;
+ try {
+ PropertyList plist;
- _session.region_name (region_name, _write_source->name(), false);
+ plist.add (Properties::name, whole_file_region_name);
+ plist.add (Properties::whole_file, true);
+ plist.add (Properties::automatic, true);
+ plist.add (Properties::start, 0);
+ plist.add (Properties::length, total_capture);
+ plist.add (Properties::layer, 0);
- // cerr << _name << ": based on ci of " << (*ci)->start << " for " << (*ci)->frames << " add a region\n";
+ boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
- try {
- boost::shared_ptr<Region> rx (RegionFactory::create (srcs, buffer_position, (*ci)->frames, region_name));
region = boost::dynamic_pointer_cast<MidiRegion> (rx);
+ region->special_set_position (capture_info.front()->start);
}
+
catch (failed_constructor& err) {
- error << _("MidiDiskstream: could not create region for captured midi!") << endmsg;
- continue; /* XXX is this OK? */
+ error << string_compose(_("%1: could not create region for complete midi file"), _name) << endmsg;
+ /* XXX what now? */
}
- region->GoingAway.connect (bind (mem_fun (*this, &Diskstream::remove_region_from_last_capture), boost::weak_ptr<Region>(region)));
+ _last_capture_sources.insert (_last_capture_sources.end(), srcs.begin(), srcs.end());
- _last_capture_regions.push_back (region);
+ _playlist->clear_changes ();
+ _playlist->freeze ();
- // cerr << "add new region, buffer position = " << buffer_position << " @ " << (*ci)->start << endl;
+ /* Session frame time of the initial capture in this pass, which is where the source starts */
+ framepos_t initial_capture = 0;
+ if (!capture_info.empty()) {
+ initial_capture = capture_info.front()->start;
+ }
- i_am_the_modifier++;
- _playlist->add_region (region, (*ci)->start);
- i_am_the_modifier--;
+ for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
- buffer_position += (*ci)->frames;
- }
+ string region_name;
- _playlist->thaw ();
- XMLNode &after = _playlist->get_state();
- _session.add_command (new MementoCommand<Playlist>(*_playlist, &before, &after));
+ RegionFactory::region_name (region_name, _write_source->name(), false);
- }
+ // cerr << _name << ": based on ci of " << (*ci)->start << " for " << (*ci)->frames << " add a region\n";
- mark_write_completed = true;
+ try {
+ PropertyList plist;
- reset_write_sources (mark_write_completed);
+ /* start of this region is the offset between the start of its capture and the start of the whole pass */
+ plist.add (Properties::start, (*ci)->start - initial_capture);
+ plist.add (Properties::length, (*ci)->frames);
+ plist.add (Properties::length_beats, converter.from((*ci)->frames));
+ plist.add (Properties::name, region_name);
+
+ boost::shared_ptr<Region> rx (RegionFactory::create (srcs, plist));
+ region = boost::dynamic_pointer_cast<MidiRegion> (rx);
+ }
+
+ catch (failed_constructor& err) {
+ error << _("MidiDiskstream: could not create region for captured midi!") << endmsg;
+ continue; /* XXX is this OK? */
+ }
+
+ // cerr << "add new region, buffer position = " << buffer_position << " @ " << (*ci)->start << endl;
+
+ i_am_the_modifier++;
+ _playlist->add_region (region, (*ci)->start);
+ i_am_the_modifier--;
+ }
+
+ _playlist->thaw ();
+ _session.add_command (new StatefulDiffCommand(_playlist));
+
+ } else {
+
+ /* No data was recorded, so this capture will
+ effectively be aborted; do the same as we
+ do for an explicit abort.
+ */
+
+ if (_write_source) {
+ _write_source->mark_for_remove ();
+ _write_source->drop_references ();
+ _write_source.reset();
+ }
+ }
- for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
- delete *ci;
}
- if (_playlist) {
- midi_playlist()->clear_note_trackers ();
+ use_new_write_source (0);
+
+ for (ci = capture_info.begin(); ci != capture_info.end(); ++ci) {
+ delete *ci;
}
capture_info.clear ();
capture_start_frame = 0;
+
+ no_capture_stuff_to_do:
+
+ reset_tracker ();
}
void
-MidiDiskstream::transport_looped (nframes_t transport_frame)
+MidiDiskstream::transport_looped (framepos_t transport_frame)
{
if (was_recording) {
}
}
- 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
// 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;
+ 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;
assert(!destructive());
- if (yn && _source_port == 0) {
-
- /* pick up connections not initiated *from* the IO object
- we're associated with.
- */
-
- get_input_sources ();
- }
-
/* yes, i know that this not proof against race conditions, but its
good enough. i think.
*/
void
MidiDiskstream::engage_record_enable ()
{
- bool rolling = _session.transport_speed() != 0.0f;
+ bool const rolling = _session.transport_speed() != 0.0f;
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));
}
- // 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 */
}
MidiDiskstream::disengage_record_enable ()
{
g_atomic_int_set (&_record_enabled, 0);
- if (_source_port && Config->get_monitoring_model() == HardwareMonitoring) {
- if (_source_port) {
- _source_port->request_monitor_input (false);
- }
- }
-
RecordEnableChanged (); /* EMIT SIGNAL */
}
XMLNode&
MidiDiskstream::get_state ()
{
- XMLNode* node = new XMLNode ("MidiDiskstream");
+ XMLNode& node (Diskstream::get_state());
char buf[64];
LocaleGuard lg (X_("POSIX"));
- snprintf (buf, sizeof(buf), "0x%x", _flags);
- node->add_property ("flags", buf);
-
- node->add_property("channel-mode", enum_2_string(get_channel_mode()));
-
+ 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);
- node->add_property ("speed", buf);
-
- node->add_property("name", _name);
- id().print(buf, sizeof(buf));
- node->add_property("id", buf);
+ node.add_property("channel-mask", buf);
if (_write_source && _session.get_record_enabled()) {
}
cs_child->add_property (X_("at"), buf);
- node->add_child_nocopy (*cs_child);
- }
-
- if (_extra_xml) {
- node->add_child_copy (*_extra_xml);
+ node.add_child_nocopy (*cs_child);
}
- return* node;
+ return node;
}
int
-MidiDiskstream::set_state (const XMLNode& node, int /*version*/)
+MidiDiskstream::set_state (const XMLNode& node, int version)
{
const XMLProperty* prop;
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
- uint32_t nchans = 1;
XMLNode* capture_pending_node = 0;
LocaleGuard lg (X_("POSIX"));
+ /* prevent write sources from being created */
+
in_set_state = true;
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- /*if ((*niter)->name() == IO::state_node_name) {
- deprecated_io_node = new XMLNode (**niter);
- }*/
assert ((*niter)->name() != IO::state_node_name);
if ((*niter)->name() == X_("CapturingSources")) {
}
}
- /* prevent write sources from being created */
-
- in_set_state = true;
-
- if ((prop = node.property ("name")) != 0) {
- _name = prop->value();
- }
-
- if ((prop = node.property ("id")) != 0) {
- _id = prop->value ();
- }
-
- if ((prop = node.property ("flags")) != 0) {
- _flags = Flag (string_2_enum (prop->value(), _flags));
+ if (Diskstream::set_state (node, version)) {
+ return -1;
}
ChannelMode channel_mode = AllChannels;
}
}
- set_channel_mode(channel_mode, channel_mask);
- if ((prop = node.property ("channels")) != 0) {
- nchans = atoi (prop->value().c_str());
+ if (capture_pending_node) {
+ use_pending_capture_data (*capture_pending_node);
}
- if ((prop = node.property ("playlist")) == 0) {
- return -1;
- }
-
- {
- bool had_playlist = (_playlist != 0);
-
- if (find_and_use_playlist (prop->value())) {
- return -1;
- }
-
- if (!had_playlist) {
- _playlist->set_orig_diskstream_id (_id);
- }
-
- if (capture_pending_node) {
- use_pending_capture_data (*capture_pending_node);
- }
-
- }
-
- if ((prop = node.property ("speed")) != 0) {
- double sp = atof (prop->value().c_str());
-
- if (realtime_set_speed (sp, false)) {
- non_realtime_set_speed ();
- }
- }
-
- in_set_state = false;
-
- /* make sure this is clear before we do anything else */
-
- // FIXME?
- //_capturing_source = 0;
-
- /* write sources are handled when we handle the input set
- up of the IO that owns this DS (::non_realtime_input_change())
- */
+ set_channel_mode (channel_mode, channel_mask);
in_set_state = false;
int
MidiDiskstream::use_new_write_source (uint32_t n)
{
- if (!recordable()) {
+ if (!_session.writable() || !recordable()) {
return 1;
}
assert(n == 0);
- if (_write_source) {
-
- if (_write_source->is_empty ()) {
- _write_source->mark_for_remove ();
- _write_source.reset();
- } else {
- _write_source.reset();
- }
- }
+ _write_source.reset();
try {
- _write_source = boost::dynamic_pointer_cast<SMFSource>(_session.create_midi_source_for_session (*this));
+ _write_source = boost::dynamic_pointer_cast<SMFSource>(
+ _session.create_midi_source_for_session (0, name ()));
+
if (!_write_source) {
throw failed_constructor();
}
return -1;
}
- _write_source->set_allow_remove_if_empty (true);
- _write_source->mark_streaming_midi_write_started (_note_mode, _session.transport_frame());
-
return 0;
}
+list<boost::shared_ptr<Source> >
+MidiDiskstream::steal_write_sources()
+{
+ list<boost::shared_ptr<Source> > ret;
+
+ /* 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 ();
+
+ ret.push_back (_write_source);
+
+ /* get a new one */
+
+ use_new_write_source (0);
+
+ return ret;
+}
+
void
MidiDiskstream::reset_write_sources (bool mark_write_complete, bool /*force*/)
{
if (_write_source && mark_write_complete) {
_write_source->mark_streaming_write_completed ();
}
-
use_new_write_source (0);
}
-int
-MidiDiskstream::rename_write_sources ()
-{
- if (_write_source != 0) {
- _write_source->set_source_name (_name, destructive());
- /* XXX what to do if this fails ? */
- }
- return 0;
-}
-
void
-MidiDiskstream::set_block_size (nframes_t /*nframes*/)
+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 (_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, nframes_t start, nframes_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