dca96d8b5d
- add more debugging output detecting regions whose beat and frame position do not align on a playlist. this is required as a check as we have never used frame rounding on constant tempi before 8884a5723dc
571 lines
16 KiB
C++
571 lines
16 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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Author: David Robillard
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <sys/stat.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <float.h>
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#include <cerrno>
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#include <ctime>
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#include <cmath>
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#include <iomanip>
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#include <algorithm>
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#include <glibmm/fileutils.h>
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#include <glibmm/miscutils.h>
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#include "pbd/xml++.h"
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#include "pbd/pthread_utils.h"
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#include "pbd/basename.h"
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#include "evoral/Control.hpp"
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#include "evoral/EventSink.hpp"
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#include "ardour/debug.h"
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#include "ardour/file_source.h"
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#include "ardour/midi_channel_filter.h"
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#include "ardour/midi_cursor.h"
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#include "ardour/midi_model.h"
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#include "ardour/midi_source.h"
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#include "ardour/midi_state_tracker.h"
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#include "ardour/session.h"
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#include "ardour/session_directory.h"
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#include "ardour/source_factory.h"
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#include "ardour/tempo.h"
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#include "pbd/i18n.h"
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namespace ARDOUR { template <typename T> class MidiRingBuffer; }
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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MidiSource::MidiSource (Session& s, string name, Source::Flag flags)
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: Source(s, DataType::MIDI, name, flags)
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, _writing(false)
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, _length_beats(0.0)
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, _capture_length(0)
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, _capture_loop_length(0)
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{
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}
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MidiSource::MidiSource (Session& s, const XMLNode& node)
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: Source(s, node)
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, _writing(false)
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, _length_beats(0.0)
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, _capture_length(0)
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, _capture_loop_length(0)
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{
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if (set_state (node, Stateful::loading_state_version)) {
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throw failed_constructor();
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}
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}
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MidiSource::~MidiSource ()
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{
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}
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XMLNode&
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MidiSource::get_state ()
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{
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XMLNode& node (Source::get_state());
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if (_captured_for.length()) {
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node.add_property ("captured-for", _captured_for);
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}
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for (InterpolationStyleMap::const_iterator i = _interpolation_style.begin(); i != _interpolation_style.end(); ++i) {
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XMLNode* child = node.add_child (X_("InterpolationStyle"));
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child->add_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
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child->add_property (X_("style"), enum_2_string (i->second));
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}
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for (AutomationStateMap::const_iterator i = _automation_state.begin(); i != _automation_state.end(); ++i) {
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XMLNode* child = node.add_child (X_("AutomationState"));
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child->add_property (X_("parameter"), EventTypeMap::instance().to_symbol (i->first));
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child->add_property (X_("state"), enum_2_string (i->second));
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}
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return node;
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}
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int
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MidiSource::set_state (const XMLNode& node, int /*version*/)
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{
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XMLProperty const * prop;
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if ((prop = node.property ("captured-for")) != 0) {
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_captured_for = prop->value();
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}
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XMLNodeList children = node.children ();
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for (XMLNodeConstIterator i = children.begin(); i != children.end(); ++i) {
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if ((*i)->name() == X_("InterpolationStyle")) {
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if ((prop = (*i)->property (X_("parameter"))) == 0) {
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error << _("Missing parameter property on InterpolationStyle") << endmsg;
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return -1;
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}
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Evoral::Parameter p = EventTypeMap::instance().from_symbol (prop->value());
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if ((prop = (*i)->property (X_("style"))) == 0) {
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error << _("Missing style property on InterpolationStyle") << endmsg;
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return -1;
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}
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Evoral::ControlList::InterpolationStyle s = static_cast<Evoral::ControlList::InterpolationStyle>(
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string_2_enum (prop->value(), s));
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set_interpolation_of (p, s);
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} else if ((*i)->name() == X_("AutomationState")) {
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if ((prop = (*i)->property (X_("parameter"))) == 0) {
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error << _("Missing parameter property on AutomationState") << endmsg;
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return -1;
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}
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Evoral::Parameter p = EventTypeMap::instance().from_symbol (prop->value());
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if ((prop = (*i)->property (X_("state"))) == 0) {
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error << _("Missing state property on AutomationState") << endmsg;
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return -1;
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}
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AutoState s = static_cast<AutoState> (string_2_enum (prop->value(), s));
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set_automation_state_of (p, s);
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}
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}
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return 0;
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}
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bool
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MidiSource::empty () const
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{
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return !_length_beats;
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}
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framecnt_t
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MidiSource::length (framepos_t pos) const
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{
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if (!_length_beats) {
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return 0;
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}
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BeatsFramesConverter converter(_session.tempo_map(), pos);
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return converter.to(_length_beats);
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}
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void
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MidiSource::update_length (framecnt_t)
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{
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// You're not the boss of me!
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}
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void
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MidiSource::invalidate (const Lock& lock)
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{
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Invalidated(_session.transport_rolling());
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}
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framecnt_t
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MidiSource::midi_read (const Lock& lm,
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Evoral::EventSink<framepos_t>& dst,
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framepos_t source_start,
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framepos_t start,
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framecnt_t cnt,
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Evoral::Range<framepos_t>* loop_range,
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MidiCursor& cursor,
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MidiStateTracker* tracker,
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MidiChannelFilter* filter,
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const std::set<Evoral::Parameter>& filtered,
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const double pos_beats,
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const double start_beats) const
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{
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BeatsFramesConverter converter(_session.tempo_map(), source_start);
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const double start_qn = pos_beats - start_beats;
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DEBUG_TRACE (DEBUG::MidiSourceIO,
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string_compose ("MidiSource::midi_read() %5 sstart %1 start %2 cnt %3 tracker %4\n",
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source_start, start, cnt, tracker, name()));
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if (!_model) {
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return read_unlocked (lm, dst, source_start, start, cnt, loop_range, tracker, filter);
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}
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// Find appropriate model iterator
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Evoral::Sequence<Evoral::Beats>::const_iterator& i = cursor.iter;
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const bool linear_read = cursor.last_read_end != 0 && start == cursor.last_read_end;
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if (!linear_read || !i.valid()) {
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/* Cached iterator is invalid, search for the first event past start.
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Note that multiple tracks can use a MidiSource simultaneously, so
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all playback state must be in parameters (the cursor) and must not
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be cached in the source of model itself.
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See http://tracker.ardour.org/view.php?id=6541
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*/
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cursor.connect(Invalidated);
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cursor.iter = _model->begin(converter.from(start), false, filtered, &cursor.active_notes);
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cursor.active_notes.clear();
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}
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cursor.last_read_end = start + cnt;
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// Copy events in [start, start + cnt) into dst
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for (; i != _model->end(); ++i) {
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// Offset by source start to convert event time to session time
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framepos_t time_frames = _session.tempo_map().frame_at_quarter_note (i->time().to_double() + start_qn);
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if (time_frames < start + source_start) {
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/* event too early */
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continue;
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} else if (time_frames >= start + cnt + source_start) {
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DEBUG_TRACE (DEBUG::MidiSourceIO,
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string_compose ("%1: reached end with event @ %2 vs. %3\n",
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_name, time_frames, start+cnt));
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break;
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} else {
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/* in range */
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if (filter && filter->filter(i->buffer(), i->size())) {
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DEBUG_TRACE (DEBUG::MidiSourceIO,
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string_compose ("%1: filter event @ %2 type %3 size %4\n",
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_name, time_frames, i->event_type(), i->size()));
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continue;
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}
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if (loop_range) {
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time_frames = loop_range->squish (time_frames);
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}
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dst.write (time_frames, i->event_type(), i->size(), i->buffer());
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#ifndef NDEBUG
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if (DEBUG_ENABLED(DEBUG::MidiSourceIO)) {
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DEBUG_STR_DECL(a);
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DEBUG_STR_APPEND(a, string_compose ("%1 added event @ %2 sz %3 within %4 .. %5 ",
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_name, time_frames, i->size(),
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start + source_start, start + cnt + source_start));
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for (size_t n=0; n < i->size(); ++n) {
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DEBUG_STR_APPEND(a,hex);
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DEBUG_STR_APPEND(a,"0x");
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DEBUG_STR_APPEND(a,(int)i->buffer()[n]);
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DEBUG_STR_APPEND(a,' ');
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}
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DEBUG_STR_APPEND(a,'\n');
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DEBUG_TRACE (DEBUG::MidiSourceIO, DEBUG_STR(a).str());
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}
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#endif
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if (tracker) {
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tracker->track (*i);
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}
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}
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}
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return cnt;
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}
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framecnt_t
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MidiSource::midi_write (const Lock& lm,
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MidiRingBuffer<framepos_t>& source,
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framepos_t source_start,
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framecnt_t cnt)
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{
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const framecnt_t ret = write_unlocked (lm, source, source_start, cnt);
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if (cnt == max_framecnt) {
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invalidate(lm);
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} else {
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_capture_length += cnt;
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}
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return ret;
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}
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void
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MidiSource::mark_streaming_midi_write_started (const Lock& lock, NoteMode mode)
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{
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if (_model) {
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_model->set_note_mode (mode);
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_model->start_write ();
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}
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_writing = true;
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}
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void
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MidiSource::mark_write_starting_now (framecnt_t position,
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framecnt_t capture_length,
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framecnt_t loop_length)
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{
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/* I'm not sure if this is the best way to approach this, but
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_capture_length needs to be set up with the transport frame
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when a record actually starts, as it is used by
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SMFSource::write_unlocked to decide whether incoming notes
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are within the correct time range.
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mark_streaming_midi_write_started (perhaps a more logical
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place to do this) is not called at exactly the time when
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record starts, and I don't think it necessarily can be
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because it is not RT-safe.
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*/
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set_timeline_position(position);
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_capture_length = capture_length;
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_capture_loop_length = loop_length;
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TempoMap& map (_session.tempo_map());
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BeatsFramesConverter converter(map, position);
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_length_beats = converter.from(capture_length);
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}
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void
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MidiSource::mark_streaming_write_started (const Lock& lock)
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{
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NoteMode note_mode = _model ? _model->note_mode() : Sustained;
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mark_streaming_midi_write_started (lock, note_mode);
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}
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void
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MidiSource::mark_midi_streaming_write_completed (const Lock& lock,
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Evoral::Sequence<Evoral::Beats>::StuckNoteOption option,
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Evoral::Beats end)
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{
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if (_model) {
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_model->end_write (option, end);
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/* Make captured controls discrete to play back user input exactly. */
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for (MidiModel::Controls::iterator i = _model->controls().begin(); i != _model->controls().end(); ++i) {
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if (i->second->list()) {
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i->second->list()->set_interpolation(Evoral::ControlList::Discrete);
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_interpolation_style.insert(std::make_pair(i->second->parameter(), Evoral::ControlList::Discrete));
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}
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}
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}
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invalidate(lock);
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_writing = false;
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}
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void
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MidiSource::mark_streaming_write_completed (const Lock& lock)
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{
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mark_midi_streaming_write_completed (lock, Evoral::Sequence<Evoral::Beats>::DeleteStuckNotes);
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}
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int
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MidiSource::export_write_to (const Lock& lock, boost::shared_ptr<MidiSource> newsrc, Evoral::Beats begin, Evoral::Beats end)
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{
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Lock newsrc_lock (newsrc->mutex ());
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if (!_model) {
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error << string_compose (_("programming error: %1"), X_("no model for MidiSource during export"));
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return -1;
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}
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_model->write_section_to (newsrc, newsrc_lock, begin, end, true);
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newsrc->flush_midi(newsrc_lock);
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return 0;
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}
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int
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MidiSource::write_to (const Lock& lock, boost::shared_ptr<MidiSource> newsrc, Evoral::Beats begin, Evoral::Beats end)
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{
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Lock newsrc_lock (newsrc->mutex ());
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newsrc->set_timeline_position (_timeline_position);
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newsrc->copy_interpolation_from (this);
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newsrc->copy_automation_state_from (this);
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if (_model) {
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if (begin == Evoral::MinBeats && end == Evoral::MaxBeats) {
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_model->write_to (newsrc, newsrc_lock);
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} else {
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_model->write_section_to (newsrc, newsrc_lock, begin, end);
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}
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} else {
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error << string_compose (_("programming error: %1"), X_("no model for MidiSource during ::clone()"));
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return -1;
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}
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newsrc->flush_midi(newsrc_lock);
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/* force a reload of the model if the range is partial */
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if (begin != Evoral::MinBeats || end != Evoral::MaxBeats) {
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newsrc->load_model (newsrc_lock, true);
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} else {
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newsrc->set_model (newsrc_lock, _model);
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}
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/* this file is not removable (but since it is MIDI, it is mutable) */
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boost::dynamic_pointer_cast<FileSource> (newsrc)->prevent_deletion ();
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return 0;
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}
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void
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MidiSource::session_saved()
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{
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Lock lm (_lock);
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/* this writes a copy of the data to disk.
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XXX do we need to do this every time?
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*/
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if (_model && _model->edited()) {
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/* The model is edited, write its contents into the current source
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file (overwiting previous contents). */
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/* Temporarily drop our reference to the model so that as the model
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pushes its current state to us, we don't try to update it. */
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boost::shared_ptr<MidiModel> mm = _model;
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_model.reset ();
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/* Flush model contents to disk. */
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mm->sync_to_source (lm);
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/* Reacquire model. */
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_model = mm;
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} else {
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flush_midi(lm);
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}
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}
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void
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MidiSource::set_note_mode(const Lock& lock, NoteMode mode)
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{
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if (_model) {
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_model->set_note_mode(mode);
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}
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}
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void
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MidiSource::drop_model (const Lock& lock)
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{
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_model.reset();
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invalidate(lock);
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ModelChanged (); /* EMIT SIGNAL */
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}
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void
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MidiSource::set_model (const Lock& lock, boost::shared_ptr<MidiModel> m)
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{
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_model = m;
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invalidate(lock);
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ModelChanged (); /* EMIT SIGNAL */
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}
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Evoral::ControlList::InterpolationStyle
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MidiSource::interpolation_of (Evoral::Parameter p) const
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{
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InterpolationStyleMap::const_iterator i = _interpolation_style.find (p);
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if (i == _interpolation_style.end()) {
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return EventTypeMap::instance().interpolation_of (p);
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}
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return i->second;
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}
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AutoState
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MidiSource::automation_state_of (Evoral::Parameter p) const
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{
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AutomationStateMap::const_iterator i = _automation_state.find (p);
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if (i == _automation_state.end()) {
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/* default to `play', otherwise if MIDI is recorded /
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imported with controllers etc. they are by default
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not played back, which is a little surprising.
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*/
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return Play;
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}
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return i->second;
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}
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/** Set interpolation style to be used for a given parameter. This change will be
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* propagated to anyone who needs to know.
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*/
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void
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MidiSource::set_interpolation_of (Evoral::Parameter p, Evoral::ControlList::InterpolationStyle s)
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{
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if (interpolation_of (p) == s) {
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return;
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}
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if (EventTypeMap::instance().interpolation_of (p) == s) {
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/* interpolation type is being set to the default, so we don't need a note in our map */
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_interpolation_style.erase (p);
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} else {
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_interpolation_style[p] = s;
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}
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InterpolationChanged (p, s); /* EMIT SIGNAL */
|
|
}
|
|
|
|
void
|
|
MidiSource::set_automation_state_of (Evoral::Parameter p, AutoState s)
|
|
{
|
|
if (automation_state_of (p) == s) {
|
|
return;
|
|
}
|
|
|
|
if (s == Play) {
|
|
/* automation state is being set to the default, so we don't need a note in our map */
|
|
_automation_state.erase (p);
|
|
} else {
|
|
_automation_state[p] = s;
|
|
}
|
|
|
|
AutomationStateChanged (p, s); /* EMIT SIGNAL */
|
|
}
|
|
|
|
void
|
|
MidiSource::copy_interpolation_from (boost::shared_ptr<MidiSource> s)
|
|
{
|
|
copy_interpolation_from (s.get ());
|
|
}
|
|
|
|
void
|
|
MidiSource::copy_automation_state_from (boost::shared_ptr<MidiSource> s)
|
|
{
|
|
copy_automation_state_from (s.get ());
|
|
}
|
|
|
|
void
|
|
MidiSource::copy_interpolation_from (MidiSource* s)
|
|
{
|
|
_interpolation_style = s->_interpolation_style;
|
|
|
|
/* XXX: should probably emit signals here */
|
|
}
|
|
|
|
void
|
|
MidiSource::copy_automation_state_from (MidiSource* s)
|
|
{
|
|
_automation_state = s->_automation_state;
|
|
|
|
/* XXX: should probably emit signals here */
|
|
}
|