instrument: deliver continuous playback params live to sounding voices via a seqlock block, holding normalized stage position across time edits

2026-07-30 21:03:05 -04:00
parent 7bd911d58b
commit 1dade0bfcf
25 changed files with 1352 additions and 66 deletions
@@ -148,7 +148,16 @@ std::string ReaSamplerProcessor::reloadInstrument() {
        if (pcm) {
            sample = buildSampleData(resolveCapture(*sel, params), std::move(*pcm));
            havePlayable = sample.playable();
-            if (havePlayable) resolvedId = selId;  // the concrete pick that resolved
+            if (havePlayable) {
+                // Point the built snapshot at the instance's ONE live block and seed it from
+                // the very PlayParams the voices latch, so an untouched knob folds to the same
+                // frames the build resolved and a note-on with a live block sounds identical
+                // to one without.
+                sample.live = &liveParams_;
+                liveParams_.publish(instrument::engine::foldLive(sample.play));
+                builtSampleRate_.store(sample.sampleRate, std::memory_order_relaxed);
+                resolvedId = selId;  // the concrete pick that resolved
+            }
        }
    }