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Note the old Note::operator= was unsafe, since it made shallow copies of the on
and off events, which results in a double delete of events when the notes are
destructed.
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I'm not sure if this is really the best way to do event types (should it
just be a completely static enum in evoral, or completely dynamic and
provided by the type map, or a mix like currently?), but previously the
event type was frequently set to either total garbage, or parameter
types, which are a different thing.
This fixes all those cases, and makes Evoral::EventType an enum so the
compiler will warn about implicit conversions from int.
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It is slightly questionable whether type specific methods like
velocity() belong on Event at all, these may be better off as free
functions. However the code currently uses them as methods in many
places, and it seems like a step in the right direction, since, for
example, we might some day have events that have a velocity but aren't
stored as MIDI messages (e.g. if Ardour uses an internal musical model
that is more expressive).
In any case, the former inheritance and plethora of sloppy casts is
definitely not the right thing.
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GUI still does not handle this (neither automation lane, nor List Editor),
but the file loads, plays and exports correctly.
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eg. import a .mid that has a CC later in the file.
Arodur wrongly added an initial point, effectively moving the event
backwards to "0" (no virgin territory)
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MIDI messages
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parse up to 32bit VLQs, match smf_format_vlq()
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- sort-of fixes #6431
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- disallow simultaneous events via ControlList::editor_add ()
- clicking on an automation line selects the points that define it.
- don't 'flash' a region selection when using mousedraw mode.
- cp click selection resembles region selection.
- region gain points respect snap modifier (a la automation points).
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PluginInsert::automation_run() subdivides plugin-run on every
control-port automation event (without splitting the process cycle).
libevoral has no automation-control context, hence this function
must be implemented by Automatable.
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previous commit
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Paul Davis was responsible for introducing almost all of this.
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Prior to this change the last iterator's ID was used. (event's ID was
not updated for CCs)
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Iterating over a const Midi-Sequence calls Evoral::Sequence::set_event(),
which in turn used Evoral::Event::operator=() which always created
a new event-ID (create copy of the event).
Issues fixed:
- Saving *unmodified* MIDI produced new event-IDs on every save;
files changed with every save. - greetings to Deva.
- all [GUI] operations that use IDs to refer to notes e.g. undo.
invalid undo-history.
Also clarify assignment operator name. Prefer explicit assign() over =.
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For nearly coincident note-on the sequence does not matter,
but note-off must be sent before a new note-on in strict
order (could be the same note).
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qualifier
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- don't keep setting/unsetting write pass when transport frame
remains the same (think larger jack buffer sizes)
- insert guards are now 64 frames after when.
- refactor previous approach.
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- clearing automation points sets control to "off" rather than touch.
- multiple touches on the same pass acts consistently (no more
fader jumps on mouse button press
- use actual value for initial point rather than some arbitrary
default. clarify new semantics of add () (with_default->with_initial).
- clean some whitespace
- add guard points as needed in stop.
- catch grab broken signal (i can't trigger it, but the docs seem
to think it is essential).
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mechanism away from a 64bit integer and toward std::bitset.
Clean up a few minor related PBD::DEBUG issues along the way
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- probably fixes a lot of cases where note ids are assumed to be
unique (they weren't for copies and some others).
- wrong branch, but it needs testing.
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towards fixing #6238 and #6096.
GUI thread:
#2 Glib::Threads::Mutex::Lock::Lock
#3 Evoral::ControlList::eval
#4 Evoral::Control::get_double
#5 ARDOUR::AutomationControl::get_value
#6 ProcessorEntry::Control::control_changed
..
#15 PBD::Timer::timeout_handler
at the same time: Audio Thread (try-lock, fails)
#0 Evoral::Curve::rt_safe_get_vector
#1 ARDOUR::Amp::setup_gain_automation
#2 ARDOUR::Route::process_output_buffers
Due to the failed try-lock.. AMP::_apply_gain_automation
is false. and Amp::run() uses a different gain factor.
-> click.
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This avoids stuck notes if active notes are edited, but without stopping all
active notes in the region on any edit as before.
This implementation injects note ons in places that aren't actually note
starts. Depending on how percussive the instrument is, this may not be
desired. In the future, an option for this would be an improvement, but there
are other places where "start notes in the middle" is a reasonable option. I
think that should be handled universally if we're to do it at all, so not
considering it a part of this fix for now.
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Probably.
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Best to just do this as early as possible to avoid having to deal with this
situation all over the code.
Also fixes violation of LV2 MIDI specification, which requires no such events
are delivered to plugins.
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Silly to make a junk Note just to pass to append_note_off_unlocked, which just
uses the fields that are on the MIDIEvent anyway then throws it away.
Also explicitly dispatch to append_note_off_unlocked in the caller for note ons
with velocity 0 rather than make append_note_on_unlocked deal with it.
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When the crossfade length is only 1 frame, I got strange
gain coefficients from get_vector (63 in my case).
The function wrongly returned the x axis value.
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