refactor: rename API and frontend projects to Vocero

Rename the project directories, Python distribution and import package, and npm package. Update launcher, Docker, tooling, tests, lockfiles, and documentation while preserving existing API contracts. Make AGENTS.md self-contained and remove external skill and workflow references.
2026-10-06 19:26:55 -03:00
parent e0304b2bdb
commit abd03ed07d
105 changed files with 353 additions and 312 deletions
@@ -0,0 +1,108 @@
+type PlaybackMessage =
+  { kind: "config"; inputRate: number } | { kind: "audio"; samples: Float32Array } | { kind: "clear" };
+
+class AudioPlaybackProcessor extends AudioWorkletProcessor {
+  private rate = 16000;
+  private queue: Float32Array[] = [];
+  private offset = 0;
+  private fraction = 0;
+  private playing = false;
+  private fadeIn = 0;
+  private fadeOut = 0;
+  private lastSample = 0;
+
+  constructor() {
+    super();
+    this.port.onmessage = (event: MessageEvent<PlaybackMessage>) => {
+      const data = event.data;
+      switch (data.kind) {
+        case "config":
+          if (data.inputRate > 0) {
+            this.rate = data.inputRate;
+          }
+          break;
+        case "audio":
+          if (data.samples.length) {
+            this.queue.push(data.samples);
+          }
+          break;
+        case "clear":
+          this.queue = [];
+          this.offset = 0;
+          this.fraction = 0;
+          this.fadeOut = 32;
+          break;
+      }
+    };
+  }
+  private bufferedMs() {
+    return (this.queue.reduce((sum, buffer) => sum + buffer.length, -this.offset) / this.rate) * 1000;
+  }
+  private read(): number | null {
+    const head = this.queue[0];
+    if (!head) {
+      return null;
+    }
+    const a = head[this.offset] ?? 0;
+    const b = head[this.offset + 1] ?? this.queue[1]?.[0] ?? a;
+    return a + (b - a) * this.fraction;
+  }
+  private advance() {
+    this.fraction += this.rate / sampleRate;
+    while (this.fraction >= 1) {
+      this.fraction--;
+      this.offset++;
+    }
+    while (this.queue[0] && this.offset >= this.queue[0].length) {
+      this.offset -= this.queue[0].length;
+      this.queue.shift();
+    }
+  }
+  process(_inputs: Float32Array[][], outputs: Float32Array[][]) {
+    const channels = outputs[0];
+    const output = channels?.[0];
+    if (!output) {
+      return true;
+    }
+    for (let index = 0; index < output.length; index++) {
+      let value = 0;
+      if (!this.playing && this.queue.length && this.bufferedMs() >= 90) {
+        this.playing = true;
+        this.fadeIn = 32;
+        this.fadeOut = 0;
+      }
+      if (this.playing) {
+        const sample = this.read();
+        if (sample === null) {
+          value = this.lastSample * (1 - 1 / 32);
+          this.lastSample = value;
+          if (Math.abs(value) < 1e-4) {
+            this.playing = false;
+            this.lastSample = 0;
+          }
+        } else {
+          value = sample;
+          this.lastSample = sample;
+          this.advance();
+        }
+        if (this.fadeIn > 0) {
+          value *= 1 - this.fadeIn-- / 32;
+        }
+        if (this.fadeOut > 0) {
+          value *= this.fadeOut-- / 32;
+          if (!this.fadeOut) {
+            this.playing = false;
+            this.lastSample = 0;
+          }
+        }
+      }
+      output[index] = value;
+      const stereo = channels?.[1];
+      if (stereo) {
+        stereo[index] = value;
+      }
+    }
+    return true;
+  }
+}
+registerProcessor("audio-playback", AudioPlaybackProcessor);