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-rw-r--r--Userland/Libraries/LibDSP/Synthesizers.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/Userland/Libraries/LibDSP/Synthesizers.cpp b/Userland/Libraries/LibDSP/Synthesizers.cpp
index 9dc8f4887d..8f719435fc 100644
--- a/Userland/Libraries/LibDSP/Synthesizers.cpp
+++ b/Userland/Libraries/LibDSP/Synthesizers.cpp
@@ -51,10 +51,22 @@ void Classic::process_impl(Signal const& input_signal, [[maybe_unused]] Signal&
if (m_playing_notes.contains(i)) {
Envelope note_envelope = m_playing_notes.get(i)->to_envelope(sample_time, m_attack * m_transport->ms_sample_rate(), m_decay * m_transport->ms_sample_rate(), m_release * m_transport->ms_sample_rate());
+ // There are two conditions for removing notes:
+ // 1. The envelope has expired, regardless of whether the note was still given to us in the input.
if (!note_envelope.is_active()) {
m_playing_notes.remove(i);
continue;
}
+ // 2. The envelope has not expired, but the note was not given to us.
+ // This means that the note abruptly stopped playing; i.e. the audio infrastructure didn't know the length of the notes initially.
+ // That basically means we're dealing with a keyboard note. Chop its end time to end now.
+ if (!note_envelope.is_release() && !in.get(i).has_value()) {
+ // dbgln("note {} not released, setting release phase, envelope={}", i, note_envelope.envelope);
+ note_envelope.set_release(0);
+ auto real_note = *m_playing_notes.get(i);
+ real_note.off_sample = sample_time;
+ m_playing_notes.set(i, real_note);
+ }
playing_envelopes.append(PitchedEnvelope { note_envelope, i });
}