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f23aea0c4b
This was a leftover from the early days of Piano, and there's no reason to leave it that way especially if we want to use more complex collection APIs in the future.
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/*
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* Copyright (c) 2021, kleines Filmröllchen <filmroellchen@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Clip.h"
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namespace LibDSP {
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Sample AudioClip::sample_at(u32 time)
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{
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VERIFY(time < m_length);
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return m_samples[time];
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}
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void NoteClip::set_note(RollNote note)
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{
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VERIFY(note.pitch >= 0 && note.pitch < note_frequencies.size());
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VERIFY(note.off_sample < m_length);
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VERIFY(note.length() >= 2);
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auto& notes = m_notes[note.pitch];
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for (auto it = notes.begin(); !it.is_end();) {
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auto iterated_note = *it;
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if (iterated_note.on_sample > note.off_sample) {
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notes.insert_before(it, note);
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return;
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}
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if (iterated_note.on_sample <= note.on_sample && iterated_note.off_sample >= note.on_sample) {
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notes.remove(it);
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return;
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}
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if ((note.on_sample == 0 || iterated_note.on_sample >= note.on_sample - 1) && iterated_note.on_sample <= note.off_sample) {
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notes.remove(it);
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it = notes.begin();
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continue;
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}
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++it;
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}
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notes.append(note);
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}
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}
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