/*
- Copyright (C) 2006 Paul Davis
+ Copyright (C) 2006 Paul Davis
Written by Dave Robillard, 2006
This program is free software; you can redistribute it and/or modify
#include <unistd.h>
#include <errno.h>
-#include <pbd/mountpoint.h>
-#include <pbd/pathscanner.h>
-#include <pbd/stl_delete.h>
-#include <pbd/strsplit.h>
+#include "pbd/mountpoint.h"
+#include "pbd/pathscanner.h"
+#include "pbd/stl_delete.h"
+#include "pbd/strsplit.h"
#include <glibmm/miscutils.h>
-#include <evoral/SMFReader.hpp>
-#include <evoral/Control.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 "ardour/audioengine.h"
+#include "ardour/event_type_map.h"
+#include "ardour/midi_model.h"
+#include "ardour/midi_ring_buffer.h"
+#include "ardour/midi_state_tracker.h"
+#include "ardour/session.h"
+#include "ardour/smf_source.h"
+#include "ardour/debug.h"
#include "i18n.h"
using namespace ARDOUR;
-
-string SMFSource::_search_path;
-
-SMFSource::SMFSource (Session& s, std::string path, Flag flags)
- : MidiSource (s, region_name_from_path(path, false))
- , Evoral::SMF ()
- , _flags (Flag(flags | Writable)) // FIXME: this needs to be writable for now
- , _allow_remove_if_empty(true)
- , _last_ev_time(0)
+using namespace Glib;
+using namespace PBD;
+
+/** Constructor used for new internal-to-session files. File cannot exist. */
+SMFSource::SMFSource (Session& s, const string& path, Source::Flag flags)
+ : Source(s, DataType::MIDI, path, flags)
+ , MidiSource(s, path)
+ , FileSource(s, DataType::MIDI, path, string(), flags)
+ , Evoral::SMF()
+ , _last_ev_time_beats(0.0)
+ , _last_ev_time_frames(0)
+ , _smf_last_read_end (0)
+ , _smf_last_read_time (0)
{
- /* constructor used for new internal-to-session files. file cannot exist */
+ /* note that origin remains empty */
- if (init (path, false)) {
+ if (init(_path, false)) {
throw failed_constructor ();
}
-
+
if (create(path)) {
throw failed_constructor ();
}
- assert(_name.find("/") == string::npos);
+ load_model(true, true); // FIXME
}
-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. */
+SMFSource::SMFSource (Session& s, const XMLNode& node, bool must_exist)
+ : Source(s, node)
+ , MidiSource(s, node)
+ , FileSource(s, node, must_exist)
+ , _last_ev_time_beats(0.0)
+ , _last_ev_time_frames(0)
+ , _smf_last_read_end (0)
+ , _smf_last_read_time (0)
{
- /* constructor used for existing internal-to-session files. file must exist */
-
- if (set_state (node)) {
+ if (set_state(node, Stateful::loading_state_version)) {
throw failed_constructor ();
}
-
- if (init (_name, true)) {
+
+ if (init(_path, true)) {
throw failed_constructor ();
}
-
+
if (open(_path)) {
throw failed_constructor ();
}
-
- assert(_name.find("/") == string::npos);
+
+ load_model(true, true); // FIXME
}
SMFSource::~SMFSource ()
}
}
-bool
-SMFSource::removable () const
-{
- return (_flags & Removable) && ((_flags & RemoveAtDestroy) ||
- ((_flags & RemovableIfEmpty) && is_empty()));
-}
-
-int
-SMFSource::init (string pathstr, bool must_exist)
-{
- bool is_new = false;
-
- if (!find (pathstr, must_exist, is_new)) {
- cerr << "cannot find " << pathstr << " with me = " << must_exist << endl;
- return -1;
- }
-
- if (is_new && must_exist) {
- return -1;
- }
-
- assert(_name.find("/") == string::npos);
- return 0;
-}
-
/** All stamps in audio frames */
nframes_t
-SMFSource::read_unlocked (MidiRingBuffer<nframes_t>& dst, nframes_t start, nframes_t cnt, nframes_t stamp_offset, nframes_t negative_stamp_offset) const
+SMFSource::read_unlocked (Evoral::EventSink<nframes_t>& destination, framepos_t const source_start,
+ framepos_t start, nframes_t duration,
+ MidiStateTracker* tracker) const
{
- //cerr << "SMF read_unlocked " << name() << " read "
- //<< start << ", count=" << cnt << ", offset=" << stamp_offset << endl;
-
- // 64 bits ought to be enough for anybody
+ int ret = 0;
uint64_t time = 0; // in SMF ticks, 1 tick per _ppqn
+ DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: start %1 duration %2\n", start, duration));
+
_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;
+ 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::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());
+ BeatsFramesConverter converter(_session.tempo_map(), source_start);
+
+ const uint64_t start_ticks = (uint64_t)(converter.from(start) * ppqn());
+ DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: start in ticks %1\n", start_ticks));
+
+ if (_smf_last_read_end == 0 || start != _smf_last_read_end) {
+ DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: seek to %1\n", start));
+ Evoral::SMF::seek_to_start();
+ while (time < start_ticks) {
+ gint ignored;
- while (!Evoral::SMF::eof()) {
- int ret = read_event(&ev_delta_t, &ev_size, &ev_buffer);
+ ret = read_event(&ev_delta_t, &ev_size, &ev_buffer, &ignored);
+ if (ret == -1) { // EOF
+ _smf_last_read_end = start + duration;
+ return duration;
+ }
+ time += ev_delta_t; // accumulate delta time
+ }
+ } else {
+ DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked: set time to %1\n", _smf_last_read_time));
+ time = _smf_last_read_time;
+ }
+
+ _smf_last_read_end = start + duration;
+
+ while (true) {
+ gint ignored; /* XXX don't ignore note id's ??*/
+
+ ret = read_event(&ev_delta_t, &ev_size, &ev_buffer, &ignored);
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
+ _smf_last_read_time = 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;
+ ev_type = EventTypeMap::instance().midi_event_type(ev_buffer[0]);
- if (ev_frame_time <= start + cnt)
- dst.write(ev_frame_time - negative_stamp_offset, ev_type, ev_size, ev_buffer);
- else
- break;
+ DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF read_unlocked delta %1, time %2, buf[0] %3, type %4\n",
+ ev_delta_t, time, ev_buffer[0], ev_type));
+
+ assert(time >= start_ticks);
+
+ /* Note that we add on the source start time (in session frames) here so that ev_frame_time
+ is in session frames.
+ */
+ const framepos_t ev_frame_time = converter.to(time / (double)ppqn()) + source_start;
+
+ if (ev_frame_time < start + duration) {
+ destination.write (ev_frame_time, ev_type, ev_size, ev_buffer);
+
+ if (tracker) {
+ if (ev_buffer[0] & MIDI_CMD_NOTE_ON) {
+ tracker->add (ev_buffer[1], ev_buffer[0] & 0xf);
+ } else if (ev_buffer[0] & MIDI_CMD_NOTE_OFF) {
+ tracker->remove (ev_buffer[1], ev_buffer[0] & 0xf);
+ }
+ }
+ } else {
+ break;
}
_read_data_count += ev_size;
- if (ev_size > scratch_size)
+ if (ev_size > scratch_size) {
scratch_size = ev_size;
- else
- ev_size = scratch_size; // minimize realloc in read_event
+ }
+ ev_size = scratch_size; // ensure read_event only allocates if necessary
}
-
- return cnt;
+
+ return duration;
}
-/** All stamps in audio frames */
+/** Write data to this source from a MidiRingBuffer.
+ * @param source Buffer to read from.
+ * @param position This source's start position in session frames.
+ */
nframes_t
-SMFSource::write_unlocked (MidiRingBuffer<nframes_t>& src, nframes_t cnt)
+SMFSource::write_unlocked (MidiRingBuffer<nframes_t>& source, framepos_t position, nframes_t duration)
{
_write_data_count = 0;
-
+
nframes_t time;
Evoral::EventType type;
uint32_t size;
- size_t buf_capacity = 4;
- uint8_t* buf = (uint8_t*)malloc(buf_capacity);
-
- if (_model && ! _model->writing())
+ 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);
+ Evoral::MIDIEvent<nframes_t> ev;
while (true) {
- bool ret = src.peek_time(&time);
- if (!ret || time - _timeline_position > _length + cnt)
+ bool ret = source.peek_time(&time);
+ if (!ret || time > _last_write_end + duration) {
break;
+ }
- ret = src.read_prefix(&time, &type, &size);
- if (!ret)
+ ret = source.read_prefix(&time, &type, &size);
+ if (!ret) {
+ cerr << "ERROR: Unable to read event prefix, corrupt MIDI ring buffer" << endl;
break;
+ }
if (size > buf_capacity) {
buf_capacity = size;
buf = (uint8_t*)realloc(buf, size);
}
- ret = src.read_contents(size, buf);
+ ret = source.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;
-
+
+ /* convert from session time to time relative to the source start */
+ assert(time >= position);
+ time -= 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);
+ ev.set_id (Evoral::next_event_id());
- if (_model) {
- _model->append(ev);
+ 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;
}
- }
- if (_model) {
- set_default_controls_interpolation();
+ append_event_unlocked_frames(ev, position);
}
Evoral::SMF::flush();
free(buf);
- const nframes_t oldlen = _length;
- update_length(oldlen, cnt);
-
- ViewDataRangeReady (_timeline_position + oldlen, cnt); /* EMIT SIGNAL */
-
- return cnt;
+ return duration;
}
-
+
+/** Append an event with a timestamp in beats (double) */
void
-SMFSource::append_event_unlocked(EventTimeUnit unit, const Evoral::Event<double>& ev)
+SMFSource::append_event_unlocked_beats (const Evoral::Event<double>& ev)
{
+ assert(_writing);
if (ev.size() == 0) {
- cerr << "SMFSource: Warning: skipping empty event" << endl;
return;
}
+
+ /* printf("SMFSource: %s - append_event_unlocked_beats ID = %d time = %lf, size = %u, data = ",
+ name().c_str(), ev.id(), ev.time(), ev.size());
+ for (size_t i = 0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/
- /*
- 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;
+ if (ev.time() < _last_ev_time_beats) {
+ cerr << "SMFSource: Warning: Skipping event with non-monotonic 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::append_event_delta(delta_time, ev.size(), ev.buffer());
- _last_ev_time = ev.time();
+ Evoral::event_id_t event_id;
- _write_data_count += ev.size();
-}
-
-
-XMLNode&
-SMFSource::get_state ()
-{
- XMLNode& root (MidiSource::get_state());
- char buf[16];
- snprintf (buf, sizeof (buf), "0x%x", (int)_flags);
- root.add_property ("flags", buf);
- return root;
-}
+ if (ev.id() < 0) {
+ event_id = Evoral::next_event_id();
+ } else {
+ event_id = ev.id();
+ }
-int
-SMFSource::set_state (const XMLNode& node)
-{
- const XMLProperty* prop;
-
- if (MidiSource::set_state (node)) {
- return -1;
+ if (_model) {
+ _model->append (ev, event_id);
}
- if ((prop = node.property (X_("flags"))) != 0) {
-
- int ival;
- sscanf (prop->value().c_str(), "0x%x", &ival);
- _flags = Flag (ival);
+ _length_beats = max(_length_beats, ev.time());
- } else {
+ const double delta_time_beats = ev.time() - _last_ev_time_beats;
+ const uint32_t delta_time_ticks = (uint32_t)lrint(delta_time_beats * (double)ppqn());
- _flags = Flag (0);
+ Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer(), event_id);
+ _last_ev_time_beats = ev.time();
- }
-
- assert(_name.find("/") == string::npos);
+ _write_data_count += ev.size();
- return 0;
}
+/** Append an event with a timestamp in frames (nframes_t) */
void
-SMFSource::mark_for_remove ()
+SMFSource::append_event_unlocked_frames (const Evoral::Event<nframes_t>& ev, framepos_t position)
{
- if (!writable()) {
+ assert(_writing);
+ if (ev.size() == 0) {
return;
}
- _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::begin_write ();
- _last_ev_time = 0;
-}
-
-void
-SMFSource::mark_streaming_write_completed ()
-{
- MidiSource::mark_streaming_write_completed();
+ /* printf("SMFSource: %s - append_event_unlocked_frames ID = %d time = %u, size = %u, data = ",
+ name().c_str(), ev.id(), ev.time(), ev.size());
+ for (size_t i=0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/
- if (!writable()) {
+ if (ev.time() < _last_ev_time_frames) {
+ cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl;
return;
}
-
- _model->set_edited(false);
- Evoral::SMF::end_write ();
-}
+
+ BeatsFramesConverter converter(_session.tempo_map(), position);
+ const double ev_time_beats = converter.from(ev.time());
+ Evoral::event_id_t event_id;
-void
-SMFSource::mark_take (string id)
-{
- if (writable()) {
- _take_id = id;
- }
-}
+ if (ev.id() < 0) {
+ event_id = Evoral::next_event_id();
+ } else {
+ event_id = ev.id();
+ }
-int
-SMFSource::move_to_trash (const string trash_dir_name)
-{
- string newpath;
-
- if (!writable()) {
- return -1;
- }
-
- /* don't move the file across filesystems, just
- stick it in the 'trash_dir_name' directory
- on whichever filesystem it was already on.
- */
-
- newpath = Glib::path_get_dirname (_path);
- newpath = Glib::path_get_dirname (newpath);
-
- newpath += '/';
- newpath += trash_dir_name;
- newpath += '/';
- newpath += Glib::path_get_basename (_path);
+ if (_model) {
+ const Evoral::Event<double> beat_ev (ev.event_type(),
+ ev_time_beats,
+ ev.size(),
+ (uint8_t*)ev.buffer());
+ _model->append (beat_ev, event_id);
+ }
- if (access (newpath.c_str(), F_OK) == 0) {
+ _length_beats = max(_length_beats, ev_time_beats);
- /* the new path already exists, try versioning */
-
- char buf[PATH_MAX+1];
- int version = 1;
- string newpath_v;
+ const framepos_t delta_time_frames = ev.time() - _last_ev_time_frames;
+ const double delta_time_beats = converter.from(delta_time_frames);
+ const uint32_t delta_time_ticks = (uint32_t)(lrint(delta_time_beats * (double)ppqn()));
- snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), version);
- newpath_v = buf;
+ Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer(), event_id);
+ _last_ev_time_frames = ev.time();
- while (access (newpath_v.c_str(), F_OK) == 0 && version < 999) {
- snprintf (buf, sizeof (buf), "%s.%d", newpath.c_str(), ++version);
- newpath_v = buf;
- }
-
- if (version == 999) {
- PBD::error << string_compose (_("there are already 1000 files with names like %1; versioning discontinued"),
- newpath)
- << endmsg;
- } else {
- newpath = newpath_v;
- }
+ _write_data_count += ev.size();
- } else {
+}
- /* it doesn't exist, or we can't read it or something */
+XMLNode&
+SMFSource::get_state ()
+{
+ XMLNode& node = MidiSource::get_state();
+ node.add_property (X_("origin"), _origin);
+ return node;
+}
+int
+SMFSource::set_state (const XMLNode& node, int version)
+{
+ if (Source::set_state (node, version)) {
+ return -1;
}
- if (::rename (_path.c_str(), newpath.c_str()) != 0) {
- PBD::error << string_compose (_("cannot rename midi file source from %1 to %2 (%3)"),
- _path, newpath, strerror (errno))
- << endmsg;
+ if (MidiSource::set_state (node, version)) {
return -1;
}
-#if 0
- if (::unlink (peakpath.c_str()) != 0) {
- PBD::error << string_compose (_("cannot remove peakfile %1 for %2 (%3)"),
- peakpath, _path, strerror (errno))
- << endmsg;
- /* try to back out */
- rename (newpath.c_str(), _path.c_str());
+
+ if (FileSource::set_state (node, version)) {
return -1;
}
-
- _path = newpath;
- peakpath = "";
-#endif
- /* file can not be removed twice, since the operation is not idempotent */
-
- _flags = Flag (_flags & ~(RemoveAtDestroy|Removable|RemovableIfEmpty));
return 0;
}
-bool
-SMFSource::safe_file_extension(const Glib::ustring& file)
+void
+SMFSource::mark_streaming_midi_write_started (NoteMode mode, framepos_t start_frame)
{
- return (file.rfind(".mid") != Glib::ustring::npos);
+ Glib::Mutex::Lock lm (_lock);
+ MidiSource::mark_streaming_midi_write_started (mode, start_frame);
+ Evoral::SMF::begin_write ();
+ _last_ev_time_beats = 0.0;
+ _last_ev_time_frames = 0;
}
-// FIXME: Merge this with audiofilesource somehow (make a generic filesource?)
-bool
-SMFSource::find (string pathstr, bool must_exist, bool& isnew)
+void
+SMFSource::mark_streaming_write_completed ()
{
- string::size_type pos;
- bool ret = false;
-
- isnew = false;
-
- /* clean up PATH:CHANNEL notation so that we are looking for the correct path */
+ Glib::Mutex::Lock lm (_lock);
+ MidiSource::mark_streaming_write_completed();
- if ((pos = pathstr.find_last_of (':')) == string::npos) {
- pathstr = pathstr;
- } else {
- pathstr = pathstr.substr (0, pos);
+ if (!writable()) {
+ return;
}
- if (pathstr[0] != '/') {
-
- /* non-absolute pathname: find pathstr in search path */
-
- vector<string> dirs;
- int cnt;
- string fullpath;
- string keeppath;
-
- if (_search_path.length() == 0) {
- PBD::error << _("FileSource: search path not set") << endmsg;
- goto out;
- }
-
- split (_search_path, dirs, ':');
-
- cnt = 0;
-
- for (vector<string>::iterator i = dirs.begin(); i != dirs.end(); ++i) {
-
- fullpath = *i;
- if (fullpath[fullpath.length()-1] != '/') {
- fullpath += '/';
- }
- fullpath += pathstr;
-
- if (access (fullpath.c_str(), R_OK) == 0) {
- keeppath = fullpath;
- ++cnt;
- }
- }
-
- if (cnt > 1) {
-
- PBD::error << string_compose (_("FileSource: \"%1\" is ambigous when searching %2\n\t"), pathstr, _search_path) << endmsg;
- goto out;
-
- } else if (cnt == 0) {
-
- if (must_exist) {
- PBD::error << string_compose(_("Filesource: cannot find required file (%1): while searching %2"), pathstr, _search_path) << endmsg;
- goto out;
- } else {
- isnew = true;
- }
- }
-
- _name = pathstr;
- _path = keeppath;
- ret = true;
-
- } else {
-
- /* external files and/or very very old style sessions include full paths */
-
- _path = pathstr;
- _name = pathstr.substr (pathstr.find_last_of ('/') + 1);
-
- if (access (_path.c_str(), R_OK) != 0) {
-
- /* file does not exist or we cannot read it */
-
- if (must_exist) {
- PBD::error << string_compose(_("Filesource: cannot find required file (%1): %2"), _path, strerror (errno)) << endmsg;
- goto out;
- }
-
- if (errno != ENOENT) {
- PBD::error << string_compose(_("Filesource: cannot check for existing file (%1): %2"), _path, strerror (errno)) << endmsg;
- goto out;
- }
-
- /* a new file */
-
- isnew = true;
- ret = true;
-
- } else {
-
- /* already exists */
-
- ret = true;
- }
+ if (_model) {
+ _model->set_edited(false);
}
- out:
- return ret;
-}
-
-void
-SMFSource::set_search_path (string p)
-{
- _search_path = p;
-}
+ Evoral::SMF::end_write ();
+ /* data in the file now, not removable */
-void
-SMFSource::set_allow_remove_if_empty (bool yn)
-{
- if (writable()) {
- _allow_remove_if_empty = yn;
- }
+ mark_nonremovable ();
}
-int
-SMFSource::set_source_name (string newname, bool destructive)
+bool
+SMFSource::safe_midi_file_extension (const string& file)
{
- //Glib::Mutex::Lock lm (_lock); FIXME
- string oldpath = _path;
- 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 midi path") << endmsg;
- return -1;
- }
-
- if (rename (oldpath.c_str(), newpath.c_str()) != 0) {
- PBD::error << string_compose (_("cannot rename midi file for %1 to %2"), _name, newpath) << endmsg;
- return -1;
- }
-
- _name = Glib::path_get_basename (newpath);
- _path = newpath;
-
- return 0;//rename_peakfile (peak_path (_path));
+ return (file.rfind(".mid") != string::npos);
}
void
-SMFSource::load_model(bool lock, bool force_reload)
+SMFSource::load_model (bool lock, bool force_reload)
{
if (_writing) {
return;
}
-
- if (lock) {
- Glib::Mutex::Lock lm (_lock);
- }
- if (_model && !force_reload && !_model->empty()) {
+ boost::shared_ptr<Glib::Mutex::Lock> lm;
+ if (lock)
+ lm = boost::shared_ptr<Glib::Mutex::Lock>(new Glib::Mutex::Lock(_lock));
+
+ if (_model && !force_reload) {
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();
}
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);
+ gint event_id;
+ bool have_event_id = false;
+
+ while ((ret = read_event (&delta_t, &size, &buf, &event_id)) >= 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();
+
+ if (ret == 0) {
+
+ /* meta-event : did we get an event ID ?
+ */
+
+ if (event_id >= 0) {
+ have_event_id = true;
+ }
+
+ continue;
+ }
+
+ if (ret > 0) {
+
+ /* not a meta-event */
+
+ ev.set (buf, size, time / (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;
- }
+ if (!have_event_id) {
+ event_id = Evoral::next_event_id();
+ }
+#ifndef NDEBUG
+ std::string ss;
+
+ for (uint32_t xx = 0; xx < size; ++xx) {
+ char b[8];
+ snprintf (b, sizeof (b), "0x%x ", buf[xx]);
+ ss += b;
+ }
+
+ DEBUG_TRACE (DEBUG::MidiSourceIO, string_compose ("SMF %6 load model delta %1, time %2, size %3 buf %4, type %5\n",
+ delta_t, time, size, ss , ev.event_type(), name()));
+#endif
+
+ _model->append (ev, event_id);
+
+ if (ev.size() > scratch_size) {
+ scratch_size = ev.size();
+ }
+
+ ev.size() = scratch_size; // ensure read_event only allocates if necessary
+
+ _length_beats = max(_length_beats, ev.time());
+ }
+
+ /* event ID's must immediately precede the event they are for
+ */
+
+ have_event_id = false;
}
- set_default_controls_interpolation();
-
_model->end_write(false);
_model->set_edited(false);
- free(buf);
-}
+ _model_iter = _model->begin();
-#define LINEAR_INTERPOLATION_MODE_WORKS_PROPERLY 0
-
-void
-SMFSource::set_default_controls_interpolation()
-{
- // 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
- }
+ free(buf);
}
-
void
-SMFSource::destroy_model()
+SMFSource::destroy_model ()
{
//cerr << _name << " destroying model " << _model.get() << endl;
_model.reset();
}
void
-SMFSource::flush_midi()
+SMFSource::flush_midi ()
{
+ if (!writable()) {
+ return;
+ }
+
Evoral::SMF::end_write();
+ /* data in the file means its no longer removable */
+ mark_nonremovable ();
}
+void
+SMFSource::set_path (const string& p)
+{
+ FileSource::set_path (p);
+ SMF::set_path (_path);
+}