#include <glibmm/miscutils.h>
+#include <evoral/SMFReader.hpp>
+#include <evoral/Control.hpp>
+
#include <ardour/smf_source.h>
#include <ardour/session.h>
+#include <ardour/midi_ring_buffer.h>
+#include <ardour/tempo.h>
+#include <ardour/audioengine.h>
+#include <ardour/event_type_map.h>
#include "i18n.h"
uint64_t SMFSource::header_position_offset;
*/
-SMFSource::SMFSource (std::string path, Flag flags)
- : MidiSource (path), _flags (flags)
+SMFSource::SMFSource (Session& s, std::string path, Flag flags)
+ : MidiSource (s, region_name_from_path(path, false))
+ , Evoral::SMF<double> ()
+ , _flags (Flag(flags | Writable)) // FIXME: this needs to be writable for now
+ , _allow_remove_if_empty(true)
+ , _last_ev_time(0)
{
/* constructor used for new internal-to-session files. file cannot exist */
if (init (path, false)) {
throw failed_constructor ();
}
+
+ if (create(path)) {
+ throw failed_constructor ();
+ }
+
+ assert(_name.find("/") == string::npos);
}
-SMFSource::SMFSource (const XMLNode& node)
- : MidiSource (node), _flags (Flag (Writable|CanRename))
+SMFSource::SMFSource (Session& s, const XMLNode& node)
+ : MidiSource (s, node)
+ , _flags (Flag (Writable|CanRename))
+ , _allow_remove_if_empty(true)
+ , _last_ev_time(0)
{
/* constructor used for existing internal-to-session files. file must exist */
if (init (_name, true)) {
throw failed_constructor ();
}
+
+ if (open(_path)) {
+ throw failed_constructor ();
+ }
+
+ assert(_name.find("/") == string::npos);
}
SMFSource::~SMFSource ()
SMFSource::removable () const
{
return (_flags & Removable) && ((_flags & RemoveAtDestroy) ||
- ((_flags & RemovableIfEmpty) && is_empty (_path)));
+ ((_flags & RemovableIfEmpty) && is_empty()));
}
int
{
bool is_new = false;
- _length = 0;
-
if (!find (pathstr, must_exist, is_new)) {
cerr << "cannot find " << pathstr << " with me = " << must_exist << endl;
return -1;
return -1;
}
+ assert(_name.find("/") == string::npos);
return 0;
}
-int
-SMFSource::update_header (jack_nframes_t when, struct tm&, time_t)
+/** All stamps in audio frames */
+nframes_t
+SMFSource::read_unlocked (MidiRingBuffer<double>& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset, nframes_t negative_stamp_offset) const
{
- return 0;
-}
+ //cerr << "SMF read_unlocked " << name() << " read " << start << ", count=" << cnt << ", offset=" << stamp_offset << endl;
-int
-SMFSource::flush_header ()
-{
- return 0;
+ // 64 bits ought to be enough for anybody
+ uint64_t time = 0; // in SMF ticks, 1 tick per _ppqn
+
+ _read_data_count = 0;
+
+ // Output parameters for read_event (which will allocate scratch in buffer as needed)
+ uint32_t ev_delta_t = 0;
+ uint32_t ev_type = 0;
+ uint32_t ev_size = 0;
+ uint8_t* ev_buffer = 0;
+
+ size_t scratch_size = 0; // keep track of scratch to minimize reallocs
+
+ // FIXME: don't seek to start and search every read (brutal!)
+ Evoral::SMF<double>::seek_to_start();
+
+ // FIXME: assumes tempo never changes after start
+ const double frames_per_beat = _session.tempo_map().tempo_at(_timeline_position).frames_per_beat(
+ _session.engine().frame_rate(),
+ _session.tempo_map().meter_at(_timeline_position));
+
+ const uint64_t start_ticks = (uint64_t)((start / frames_per_beat) * ppqn());
+
+ while (!Evoral::SMF<double>::eof()) {
+ int ret = read_event(&ev_delta_t, &ev_size, &ev_buffer);
+ if (ret == -1) { // EOF
+ //cerr << "SMF - EOF\n";
+ break;
+ }
+
+ ev_type = EventTypeMap::instance().midi_event_type(ev_buffer[0]);
+
+ time += ev_delta_t; // accumulate delta time
+
+ if (ret == 0) { // meta-event (skipped, just accumulate time)
+ //cerr << "SMF - META\n";
+ continue;
+ }
+
+ if (time >= start_ticks) {
+ const nframes_t ev_frame_time = (nframes_t)(
+ ((time / (double)ppqn()) * frames_per_beat)) + stamp_offset;
+
+ if (ev_frame_time <= start + cnt)
+ dst.write(ev_frame_time - negative_stamp_offset, ev_type, ev_size, ev_buffer);
+ else
+ break;
+ }
+
+ _read_data_count += ev_size;
+
+ if (ev_size > scratch_size)
+ scratch_size = ev_size;
+ else
+ ev_size = scratch_size; // minimize realloc in read_event
+ }
+
+ return cnt;
}
-jack_nframes_t
-SMFSource::read_unlocked (RawMidi* dst, jack_nframes_t start, jack_nframes_t cnt) const
+/** All stamps in audio frames */
+nframes_t
+SMFSource::write_unlocked (MidiRingBuffer<double>& src, nframes_t cnt)
{
- return 0;
+ _write_data_count = 0;
+
+ double time;
+ Evoral::EventType type;
+ uint32_t size;
+
+ size_t buf_capacity = 4;
+ uint8_t* buf = (uint8_t*)malloc(buf_capacity);
+
+ if (_model && ! _model->writing())
+ _model->start_write();
+
+ Evoral::MIDIEvent<double> ev(0, 0.0, 4, NULL, true);
+
+ while (true) {
+ bool ret = src.peek_time(&time);
+ if (!ret || time - _timeline_position > _length + cnt)
+ break;
+
+ ret = src.read_prefix(&time, &type, &size);
+ if (!ret)
+ break;
+
+ if (size > buf_capacity) {
+ buf_capacity = size;
+ buf = (uint8_t*)realloc(buf, size);
+ }
+
+ ret = src.read_contents(size, buf);
+ if (!ret) {
+ cerr << "ERROR: Read time/size but not buffer, corrupt MIDI ring buffer" << endl;
+ break;
+ }
+
+ assert(time >= _timeline_position);
+ time -= _timeline_position;
+
+ ev.set(buf, size, time);
+ ev.set_event_type(EventTypeMap::instance().midi_event_type(ev.buffer()[0]));
+ if (! (ev.is_channel_event() || ev.is_smf_meta_event() || ev.is_sysex()) ) {
+ cerr << "SMFSource: WARNING: caller tried to write non SMF-Event of type " << std::hex << int(ev.buffer()[0]) << endl;
+ continue;
+ }
+
+ append_event_unlocked(Frames, ev);
+
+ if (_model) {
+ _model->append(ev);
+ }
+ }
+
+ if (_model) {
+ set_default_controls_interpolation();
+ }
+
+ Evoral::SMF<double>::flush();
+ free(buf);
+
+ const nframes_t oldlen = _length;
+ update_length(oldlen, cnt);
+
+ ViewDataRangeReady (_timeline_position + oldlen, cnt); /* EMIT SIGNAL */
+
+ return cnt;
}
+
-jack_nframes_t
-SMFSource::write_unlocked (RawMidi* dst, jack_nframes_t cnt)
+void
+SMFSource::append_event_unlocked(EventTimeUnit unit, const Evoral::Event<double>& ev)
{
- return 0;
+ if (ev.size() == 0) {
+ cerr << "SMFSource: Warning: skipping empty event" << endl;
+ return;
+ }
+
+ /*
+ printf("SMFSource: %s - append_event_unlocked time = %lf, size = %u, data = ",
+ name().c_str(), ev.time(), ev.size());
+ for (size_t i=0; i < ev.size(); ++i) {
+ printf("%X ", ev.buffer()[i]);
+ }
+ printf("\n");
+ */
+
+ assert(ev.time() >= 0);
+
+ if (ev.time() < last_event_time()) {
+ cerr << "SMFSource: Warning: Skipping event with ev.time() < last.time()" << endl;
+ return;
+ }
+
+ uint32_t delta_time = 0;
+
+ if (unit == Frames) {
+ // FIXME: assumes tempo never changes after start
+ const double frames_per_beat = _session.tempo_map().tempo_at(_timeline_position).frames_per_beat(
+ _session.engine().frame_rate(),
+ _session.tempo_map().meter_at(_timeline_position));
+
+ delta_time = (uint32_t)((ev.time() - last_event_time()) / frames_per_beat * ppqn());
+ } else {
+ assert(unit == Beats);
+ delta_time = (uint32_t)((ev.time() - last_event_time()) * ppqn());
+ }
+
+ Evoral::SMF<double>::append_event_delta(delta_time, ev);
+ _last_ev_time = ev.time();
+
+ _write_data_count += ev.size();
}
+
XMLNode&
SMFSource::get_state ()
{
}
+ assert(_name.find("/") == string::npos);
+
return 0;
}
_flags = Flag (_flags | RemoveAtDestroy);
}
+void
+SMFSource::mark_streaming_midi_write_started (NoteMode mode, nframes_t start_frame)
+{
+ MidiSource::mark_streaming_midi_write_started (mode, start_frame);
+ Evoral::SMF<double>::begin_write ();
+ _last_ev_time = 0;
+}
+
void
SMFSource::mark_streaming_write_completed ()
{
+ MidiSource::mark_streaming_write_completed();
+
if (!writable()) {
return;
}
-#if 0
- Glib::Mutex::Lock lm (_lock);
-
-
- next_peak_clear_should_notify = true;
-
- if (_peaks_built || pending_peak_builds.empty()) {
- _peaks_built = true;
- PeaksReady (); /* EMIT SIGNAL */
- }
-#endif
+
+ _model->set_edited(false);
+ Evoral::SMF<double>::end_write ();
}
void
}
/* don't move the file across filesystems, just
- stick it in the `trash_dir_name' directory
+ stick it in the 'trash_dir_name' directory
on whichever filesystem it was already on.
*/
}
if (::rename (_path.c_str(), newpath.c_str()) != 0) {
- PBD::error << string_compose (_("cannot rename audio file source from %1 to %2 (%3)"),
+ PBD::error << string_compose (_("cannot rename midi file source from %1 to %2 (%3)"),
_path, newpath, strerror (errno))
<< endmsg;
return -1;
return 0;
}
+bool
+SMFSource::safe_file_extension(const Glib::ustring& file)
+{
+ return (file.rfind(".mid") != Glib::ustring::npos);
+}
+
// FIXME: Merge this with audiofilesource somehow (make a generic filesource?)
bool
SMFSource::find (string pathstr, bool must_exist, bool& isnew)
}
int
-SMFSource::set_name (string newname, bool destructive)
+SMFSource::set_source_name (string newname, bool destructive)
{
//Glib::Mutex::Lock lm (_lock); FIXME
string oldpath = _path;
- string newpath = Session::change_audio_path_by_name (oldpath, _name, newname, destructive);
+ string newpath = Session::change_midi_path_by_name (oldpath, _name, newname, destructive);
if (newpath.empty()) {
- PBD::error << string_compose (_("programming error: %1"), "cannot generate a changed audio path") << endmsg;
+ PBD::error << string_compose (_("programming error: %1"), "cannot generate a changed midi path") << endmsg;
return -1;
}
if (rename (oldpath.c_str(), newpath.c_str()) != 0) {
- PBD::error << string_compose (_("cannot rename audio file for %1 to %2"), _name, newpath) << endmsg;
+ PBD::error << string_compose (_("cannot rename midi file for %1 to %2"), _name, newpath) << endmsg;
return -1;
}
return 0;//rename_peakfile (peak_path (_path));
}
-bool
-SMFSource::is_empty (string path)
+void
+SMFSource::load_model(bool lock, bool force_reload)
+{
+ if (_writing) {
+ return;
+ }
+
+
+ if (lock) {
+ Glib::Mutex::Lock lm (_lock);
+ }
+
+ if (_model && !force_reload && !_model->empty()) {
+ return;
+ }
+
+ if (! _model) {
+ _model = boost::shared_ptr<MidiModel>(new MidiModel(this));
+ cerr << _name << " loaded new model " << _model.get() << endl;
+ } else {
+ cerr << _name << " reloading model " << _model.get()
+ << " (" << _model->n_notes() << " notes)" <<endl;
+ _model->clear();
+ }
+
+ _model->start_write();
+ Evoral::SMF<double>::seek_to_start();
+
+ uint64_t time = 0; /* in SMF ticks */
+ Evoral::Event<double> ev;
+
+ size_t scratch_size = 0; // keep track of scratch and minimize reallocs
+
+ // FIXME: assumes tempo never changes after start
+ const double frames_per_beat = _session.tempo_map().tempo_at(_timeline_position).frames_per_beat(
+ _session.engine().frame_rate(),
+ _session.tempo_map().meter_at(_timeline_position));
+
+ uint32_t delta_t = 0;
+ uint32_t size = 0;
+ uint8_t* buf = NULL;
+ int ret;
+ while ((ret = read_event(&delta_t, &size, &buf)) >= 0) {
+
+ ev.set(buf, size, 0.0);
+ time += delta_t;
+
+ if (ret > 0) { // didn't skip (meta) event
+ // make ev.time absolute time in frames
+ ev.time() = time * frames_per_beat / (double)ppqn();
+ ev.set_event_type(EventTypeMap::instance().midi_event_type(buf[0]));
+ _model->append(ev);
+ }
+
+ if (ev.size() > scratch_size) {
+ scratch_size = ev.size();
+ } else {
+ ev.size() = scratch_size;
+ }
+ }
+
+ set_default_controls_interpolation();
+
+ _model->end_write(false);
+ _model->set_edited(false);
+
+ free(buf);
+}
+
+#define LINEAR_INTERPOLATION_MODE_WORKS_PROPERLY 0
+
+void
+SMFSource::set_default_controls_interpolation()
{
- /* XXX fix me */
+ // set interpolation style to defaults, can be changed by the GUI later
+ Evoral::ControlSet::Controls controls = _model->controls();
+ for (Evoral::ControlSet::Controls::iterator c = controls.begin(); c != controls.end(); ++c) {
+ (*c).second->list()->set_interpolation(
+ // to be enabled when ControlList::rt_safe_earliest_event_linear_unlocked works properly
+ #if LINEAR_INTERPOLATION_MODE_WORKS_PROPERLY
+ EventTypeMap::instance().interpolation_of((*c).first));
+ #else
+ Evoral::ControlList::Discrete);
+ #endif
+ }
+}
+
+
+void
+SMFSource::destroy_model()
+{
+ //cerr << _name << " destroying model " << _model.get() << endl;
+ _model.reset();
+}
- return false;
+void
+SMFSource::flush_midi()
+{
+ Evoral::SMF<double>::end_write();
}
projects / ardour.git / blobdiff