X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_source.cc;h=ce58d4f585a5319ab5402ce27a17f70f23ba8ef2;hb=f938687f8798d094c99cd4308ad6aa1c467e4a97;hp=4cda0f6ebd87d0a1b5d295c7b464f52442862142;hpb=30c08ba655330232767554c48bda1975bfb5628c;p=ardour.git diff --git a/libs/ardour/midi_source.cc b/libs/ardour/midi_source.cc index 4cda0f6ebd..ce58d4f585 100644 --- a/libs/ardour/midi_source.cc +++ b/libs/ardour/midi_source.cc @@ -28,10 +28,20 @@ #include #include -#include -#include +#include "pbd/xml++.h" +#include "pbd/pthread_utils.h" +#include "pbd/basename.h" -#include +#include "ardour/audioengine.h" +#include "ardour/debug.h" +#include "ardour/midi_model.h" +#include "ardour/midi_ring_buffer.h" +#include "ardour/midi_state_tracker.h" +#include "ardour/midi_source.h" +#include "ardour/session.h" +#include "ardour/session_directory.h" +#include "ardour/source_factory.h" +#include "ardour/tempo.h" #include "i18n.h" @@ -39,22 +49,34 @@ using namespace std; using namespace ARDOUR; using namespace PBD; -sigc::signal MidiSource::MidiSourceCreated; +PBD::Signal1 MidiSource::MidiSourceCreated; -MidiSource::MidiSource (string name) - : Source (name) +MidiSource::MidiSource (Session& s, string name, Source::Flag flags) + : Source(s, DataType::MIDI, name, flags) + , _read_data_count(0) + , _write_data_count(0) + , _writing(false) + , _model_iter_valid(false) + , _length_beats(0.0) + , _last_read_end(0) + , _last_write_end(0) { - _read_data_count = 0; - _write_data_count = 0; } -MidiSource::MidiSource (const XMLNode& node) - : Source (node) +MidiSource::MidiSource (Session& s, const XMLNode& node) + : Source(s, node) + , _read_data_count(0) + , _write_data_count(0) + , _writing(false) + , _model_iter_valid(false) + , _length_beats(0.0) + , _last_read_end(0) + , _last_write_end(0) { _read_data_count = 0; _write_data_count = 0; - if (set_state (node)) { + if (set_state (node, Stateful::loading_state_version)) { throw failed_constructor(); } } @@ -76,12 +98,10 @@ MidiSource::get_state () } int -MidiSource::set_state (const XMLNode& node) +MidiSource::set_state (const XMLNode& node, int /*version*/) { const XMLProperty* prop; - Source::set_state (node); - if ((prop = node.property ("captured-for")) != 0) { _captured_for = prop->value(); } @@ -89,27 +109,166 @@ MidiSource::set_state (const XMLNode& node) return 0; } -jack_nframes_t -MidiSource::read (RawMidi* dst, jack_nframes_t start, jack_nframes_t cnt) const +sframes_t +MidiSource::length (sframes_t pos) const +{ + BeatsFramesConverter converter(_session.tempo_map(), pos); + return converter.to(_length_beats); +} + +void +MidiSource::update_length (sframes_t /*pos*/, sframes_t /*cnt*/) +{ + // You're not the boss of me! +} + +void +MidiSource::invalidate () +{ + _model_iter_valid = false; + _model_iter.invalidate(); +} + +nframes_t +MidiSource::midi_read (Evoral::EventSink& dst, sframes_t source_start, + sframes_t start, nframes_t cnt, + sframes_t stamp_offset, sframes_t negative_stamp_offset, + MidiStateTracker* tracker) const { Glib::Mutex::Lock lm (_lock); - return read_unlocked (dst, start, cnt); + + BeatsFramesConverter converter(_session.tempo_map(), source_start); + + if (_model) { + Evoral::Sequence::const_iterator& i = _model_iter; + + // If the cached iterator is invalid, search for the first event past start + if (_last_read_end == 0 || start != _last_read_end || !_model_iter_valid) { + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("*** %1 search for relevant iterator for %1 / %2\n", _name, source_start, start)); + for (i = _model->begin(); i != _model->end(); ++i) { + if (converter.to(i->time()) >= start) { + break; + } + } + _model_iter_valid = true; + } else { + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("*** %1 use cached iterator for %1 / %2\n", _name, source_start, start)); + } + + _last_read_end = start + cnt; + + // Read events up to end + for (; i != _model->end(); ++i) { + const sframes_t time_frames = converter.to(i->time()); + if (time_frames < start + cnt) { + dst.write(time_frames + stamp_offset - negative_stamp_offset, + i->event_type(), i->size(), i->buffer()); + if (tracker) { + Evoral::MIDIEvent& ev (*(Evoral::MIDIEvent*) (&(*i))); + if (ev.is_note_on()) { + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note on %2 @ %3\n", _name, ev.note(), time_frames)); + tracker->add (ev.note(), ev.channel()); + } else if (ev.is_note_off()) { + DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("\t%1 add note off %2 @ %3\n", _name, ev.note(), time_frames)); + tracker->remove (ev.note(), ev.channel()); + } + } + } else { + break; + } + } + return cnt; + } else { + return read_unlocked (dst, source_start, start, cnt, stamp_offset, negative_stamp_offset, tracker); + } } -jack_nframes_t -MidiSource::write (RawMidi* dst, jack_nframes_t cnt) +nframes_t +MidiSource::midi_write (MidiRingBuffer& source, sframes_t source_start, nframes_t duration) { Glib::Mutex::Lock lm (_lock); - return write_unlocked (dst, cnt); + const nframes_t ret = write_unlocked (source, source_start, duration); + _last_write_end += duration; + return ret; } -bool -MidiSource::file_changed (string path) +void +MidiSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_frame) { - struct stat stat_file; + set_timeline_position(start_frame); + + if (_model) { + _model->set_note_mode(mode); + _model->start_write(); + } + + _last_write_end = start_frame; + _writing = true; +} - int e1 = stat (path.c_str(), &stat_file); - - return ( !e1 ); +void +MidiSource::mark_streaming_write_started () +{ + NoteMode note_mode = _model ? _model->note_mode() : Sustained; + mark_streaming_midi_write_started(note_mode, _session.transport_frame()); +} + +void +MidiSource::mark_streaming_write_completed () +{ + if (_model) { + _model->end_write(false); + } + + _writing = false; +} + +void +MidiSource::session_saved() +{ + flush_midi(); + + if (_model && _model->edited()) { + string newname; + const string basename = PBD::basename_nosuffix(_name.get()); + string::size_type last_dash = basename.find_last_of("-"); + if (last_dash == string::npos || last_dash == basename.find_first_of("-")) { + newname = basename + "-1"; + } else { + stringstream ss(basename.substr(last_dash+1)); + unsigned write_count = 0; + ss >> write_count; + // cerr << "WRITE COUNT: " << write_count << endl; + ++write_count; // start at 1 + ss.clear(); + ss << basename.substr(0, last_dash) << "-" << write_count; + newname = ss.str(); + } + + string newpath = _session.session_directory().midi_path().to_string() +"/"+ newname + ".mid"; + + boost::shared_ptr newsrc = boost::dynamic_pointer_cast( + SourceFactory::createWritable(DataType::MIDI, _session, + newpath, false, _session.frame_rate())); + + newsrc->set_timeline_position(_timeline_position); + _model->write_to(newsrc); + + // cyclic dependency here, ugly :( + newsrc->set_model(_model); + _model->set_midi_source(newsrc.get()); + + newsrc->flush_midi(); + + Switched (newsrc); /* EMIT SIGNAL */ + } +} + +void +MidiSource::set_note_mode(NoteMode mode) +{ + if (_model) { + _model->set_note_mode(mode); + } }