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/*
* Copyright (c) 2021, kleines Filmröllchen <filmroellchen@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Clip.h"
namespace DSP {
Sample AudioClip::sample_at(u32 time)
{
VERIFY(time < m_length);
return m_samples[time];
}
Optional<RollNote> NoteClip::note_at(u32 time, u8 pitch) const
{
for (auto& note : m_notes) {
if (time >= note.on_sample && time <= note.off_sample && pitch == note.pitch)
return note;
}
return {};
}
void NoteClip::set_note(RollNote note)
{
m_notes.remove_all_matching([&](auto const& other) {
return other.pitch == note.pitch && other.overlaps_with(note);
});
m_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;
});
}
}
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