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Start on live transcription and python sidecar (faster-whisper)

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Lucas Winther committed 2026-07-10 09:28:42 +02:00
1 parent 15bf14728a
commit 033ea32968
14 files changed
+1376 -61
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tests/protocol.test.ts
+8
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@@ -29,6 +29,7 @@ describe("isUiToWorkerMessage", () => {
{ type: "transcribe", audio: new Float32Array(8) },
{ type: "transcribe", audio: new Float32Array(8), language: "da", task: "transcribe" },
{ type: "transcribe", audio: new Float32Array(8), language: "auto", task: "translate" },
{ type: "transcribe", audio: new Float32Array(8), requestId: "live-3" },
];
for (const message of [...loads, ...transcribes]) {
expect(isUiToWorkerMessage(message)).toBe(true);
@@ -53,6 +54,9 @@ describe("isUiToWorkerMessage", () => {
expect(
isUiToWorkerMessage({ type: "transcribe", audio: new Float32Array(4), task: "detect" }),
).toBe(false);
expect(
isUiToWorkerMessage({ type: "transcribe", audio: new Float32Array(4), requestId: 7 }),
).toBe(false);
expect(isUiToWorkerMessage({ type: "result", text: "", chunks: [] })).toBe(false);
});
});
@@ -74,8 +78,11 @@ describe("isWorkerToUiMessage", () => {
{ type: "load-progress", status: "ready", device: "wasm" },
{ type: "load-progress", status: "ready", device: "webgpu" },
{ type: "partial", text: " hello" },
{ type: "partial", text: " hello", requestId: "live-1" },
{ type: "result", text: "hello world", chunks: [{ text: "hello world", timestamp: [0, 1.2] }] },
{ type: "result", text: "hello world", chunks: [], requestId: "live-1" },
{ type: "error", stage: "load", message: "boom" },
{ type: "error", stage: "transcribe", message: "boom", requestId: "live-2" },
];
for (const message of messages) {
expect(isWorkerToUiMessage(message)).toBe(true);
@@ -89,6 +96,7 @@ describe("isWorkerToUiMessage", () => {
expect(isWorkerToUiMessage({ type: "load-progress", status: "ready" })).toBe(false);
expect(isWorkerToUiMessage({ type: "load-progress", status: "ready", device: "cuda" })).toBe(false);
expect(isWorkerToUiMessage({ type: "partial" })).toBe(false);
expect(isWorkerToUiMessage({ type: "partial", text: "x", requestId: 1 })).toBe(false);
expect(isWorkerToUiMessage({ type: "result", text: "x", chunks: "nope" })).toBe(false);
expect(isWorkerToUiMessage({ type: "error", stage: "decode", message: "m" })).toBe(false);
expect(isWorkerToUiMessage({ type: "load", modelId: "x", device: "wasm" })).toBe(false);