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Piano+LibDSP: Move Track to LibDSP

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This is a tangly commit and it fixes all the bugs that a plain move
would have caused (i.e. we need to touch other logic which had wrong
assumptions).
This commit is contained in:
kleines Filmröllchen 2022-07-13 12:44:19 +02:00 • committed by Linus Groh
parent 125122a9ab
commit 4941cffdd0
29 changed files with 322 additions and 413 deletions
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34
Userland/Libraries/LibDSP/Clip.cpp
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@ -16,30 +16,18 @@ Sample AudioClip::sample_at(u32 time)
void NoteClip::set_note(RollNote note)
{
VERIFY(note.pitch >= 0 && note.pitch < note_frequencies.size());
VERIFY(note.off_sample < m_length);
VERIFY(note.length() >= 2);
m_notes.remove_all_matching([&](auto const& other) {
return other.pitch == note.pitch && other.overlaps_with(note);
});
m_notes.append(note);
}
auto& notes = m_notes[note.pitch];
for (auto it = notes.begin(); !it.is_end();) {
auto iterated_note = *it;
if (iterated_note.on_sample > note.off_sample) {
notes.insert_before(it, note);
return;
}
if (iterated_note.on_sample <= note.on_sample && iterated_note.off_sample >= note.on_sample) {
notes.remove(it);
return;
}
if ((note.on_sample == 0 || iterated_note.on_sample >= note.on_sample - 1) && iterated_note.on_sample <= note.off_sample) {
notes.remove(it);
it = notes.begin();
continue;
}
++it;
}
notes.append(note);
void NoteClip::remove_note(RollNote note)
{
// FIXME: See header; this could be much faster with a better datastructure.
m_notes.remove_first_matching([note](auto const& element) {
return element.on_sample == note.on_sample && element.off_sample == note.off_sample && element.pitch == note.pitch;
});
}
}