/*
- 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 <glibmm/miscutils.h>
-#include "evoral/SMFReader.hpp"
#include "evoral/Control.hpp"
#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"
using namespace Glib;
/** Constructor used for new internal-to-session files. File cannot exist. */
-SMFSource::SMFSource (Session& s, const ustring& path, bool embedded, Source::Flag flags)
+SMFSource::SMFSource (Session& s, const ustring& path, Source::Flag flags)
: Source(s, DataType::MIDI, path, flags)
, MidiSource(s, path)
- , FileSource(s, DataType::MIDI, path, embedded, flags)
+ , FileSource(s, DataType::MIDI, path, flags)
, Evoral::SMF()
, _last_ev_time_beats(0.0)
, _last_ev_time_frames(0)
+ , _smf_last_read_end (0)
+ , _smf_last_read_time (0)
{
- if (init(_name, false)) {
+ if (init(_path, false)) {
throw failed_constructor ();
}
-
+
if (create(path)) {
throw failed_constructor ();
}
+
+ load_model(true, true); // FIXME
}
/** Constructor used for existing internal-to-session files. */
, 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)
{
- 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 ();
}
+
+ load_model(true, true); // FIXME
}
SMFSource::~SMFSource ()
/** All stamps in audio frames */
nframes_t
-SMFSource::read_unlocked (MidiRingBuffer<nframes_t>& destination, sframes_t source_start,
- sframes_t start, nframes_t duration,
- sframes_t stamp_offset, sframes_t negative_stamp_offset) const
+SMFSource::read_unlocked (Evoral::EventSink<nframes_t>& destination, sframes_t source_start,
+ sframes_t start, nframes_t duration,
+ sframes_t stamp_offset, sframes_t negative_stamp_offset,
+ MidiStateTracker* tracker) const
{
int ret = 0;
uint64_t time = 0; // in SMF ticks, 1 tick per _ppqn
uint8_t* ev_buffer = 0;
size_t scratch_size = 0; // keep track of scratch to minimize reallocs
-
- BeatsFramesConverter converter(_session, source_start);
+
+ BeatsFramesConverter converter(_session.tempo_map(), source_start);
const uint64_t start_ticks = (uint64_t)(converter.from(start) * ppqn());
- if (_last_read_end == 0 || start != _last_read_end) {
+ if (_smf_last_read_end == 0 || start != _smf_last_read_end) {
//cerr << "SMFSource::read_unlocked seeking to " << start << endl;
Evoral::SMF::seek_to_start();
while (time < start_ticks) {
ret = read_event(&ev_delta_t, &ev_size, &ev_buffer);
if (ret == -1) { // EOF
- _last_read_end = start + duration;
+ _smf_last_read_end = start + duration;
return duration;
}
time += ev_delta_t; // accumulate delta time
}
+ } else {
+ time = _smf_last_read_time;
}
-
- _last_read_end = start + duration;
+
+ _smf_last_read_end = start + duration;
while (true) {
ret = read_event(&ev_delta_t, &ev_size, &ev_buffer);
if (ret == -1) { // EOF
break;
}
-
+
time += ev_delta_t; // accumulate delta time
+ _smf_last_read_time = time;
if (ret == 0) { // meta-event (skipped, just accumulate time)
continue;
}
-
+
ev_type = EventTypeMap::instance().midi_event_type(ev_buffer[0]);
+#if 0
+ cerr << "+++ SMF source read "
+ << " delta = " << ev_delta_t
+ << " time = " << time
+ << " buf[0] " << hex << (int) ev_buffer[0] << dec
+ << " type = " << ev_type;
+#endif
+
assert(time >= start_ticks);
const sframes_t ev_frame_time = converter.to(time / (double)ppqn()) + stamp_offset;
+#if 0
+ cerr << " frames = " << ev_frame_time
+ << " w/offset = " << ev_frame_time - negative_stamp_offset
+ << endl;
+#endif
+
if (ev_frame_time < start + duration) {
destination.write(ev_frame_time - negative_stamp_offset, 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;
}
}
ev_size = scratch_size; // ensure read_event only allocates if necessary
}
-
+
return duration;
}
SMFSource::write_unlocked (MidiRingBuffer<nframes_t>& source, sframes_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()) {
_model->start_write();
}
cerr << "ERROR: Read time/size but not buffer, corrupt MIDI ring buffer" << endl;
break;
}
-
+
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;
+ /*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, position);
}
return duration;
}
-
+
/** Append an event with a timestamp in beats (double) */
void
SMFSource::append_event_unlocked_beats (const Evoral::Event<double>& ev)
{
+ assert(_writing);
if (ev.size() == 0) {
return;
}
/*printf("SMFSource: %s - append_event_unlocked_beats time = %lf, size = %u, data = ",
- name().c_str(), ev.time(), ev.size());
+ 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_ev_time_beats) {
cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl;
return;
}
-
+
_length_beats = max(_length_beats, ev.time());
-
+
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());
-
+
Evoral::SMF::append_event_delta(delta_time_ticks, ev.size(), ev.buffer());
_last_ev_time_beats = ev.time();
void
SMFSource::append_event_unlocked_frames (const Evoral::Event<nframes_t>& ev, sframes_t position)
{
+ assert(_writing);
if (ev.size() == 0) {
return;
}
/*printf("SMFSource: %s - append_event_unlocked_frames time = %u, size = %u, data = ",
- name().c_str(), ev.time(), ev.size());
+ name().c_str(), ev.time(), ev.size());
for (size_t i=0; i < ev.size(); ++i) printf("%X ", ev.buffer()[i]); printf("\n");*/
-
+
if (ev.time() < _last_ev_time_frames) {
cerr << "SMFSource: Warning: Skipping event with non-monotonic time" << endl;
return;
}
-
- BeatsFramesConverter converter(_session, position);
-
+
+ BeatsFramesConverter converter(_session.tempo_map(), position);
+
_length_beats = max(_length_beats, converter.from(ev.time()));
-
+
const sframes_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()));
}
int
-SMFSource::set_state (const XMLNode& node)
+SMFSource::set_state (const XMLNode& node, int version)
{
- if (Source::set_state (node)) {
+ if (Source::set_state (node, version)) {
return -1;
}
- if (MidiSource::set_state (node)) {
+ if (MidiSource::set_state (node, version)) {
return -1;
}
-
- if (FileSource::set_state (node)) {
+
+ if (FileSource::set_state (node, version)) {
return -1;
}
void
SMFSource::mark_streaming_midi_write_started (NoteMode mode, sframes_t start_frame)
{
+ Glib::Mutex::Lock lm (_lock);
MidiSource::mark_streaming_midi_write_started (mode, start_frame);
Evoral::SMF::begin_write ();
_last_ev_time_beats = 0.0;
void
SMFSource::mark_streaming_write_completed ()
{
+ Glib::Mutex::Lock lm (_lock);
MidiSource::mark_streaming_write_completed();
if (!writable()) {
return;
}
-
+
_model->set_edited(false);
Evoral::SMF::end_write ();
}
if (_writing) {
return;
}
-
- if (lock) {
- Glib::Mutex::Lock lm (_lock);
- }
+
+ 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;
uint64_t time = 0; /* in SMF ticks */
Evoral::Event<double> ev;
-
+
size_t scratch_size = 0; // keep track of scratch and minimize reallocs
-
+
uint32_t delta_t = 0;
uint32_t size = 0;
uint8_t* buf = NULL;
scratch_size = ev.size();
}
ev.size() = scratch_size; // ensure read_event only allocates if necessary
-
+
_length_beats = max(_length_beats, ev.time());
}
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 ()
{
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
}
}
projects / ardour.git / blobdiff