Lồng tiếng video đa ngôn ngữ với skill ElevenLabs Dubbing

import os
import time
import requests
from elevenlabs.client import ElevenLabs

elevenlabs = ElevenLabs(api_key=os.getenv("ELEVENLABS_API_KEY"))

# 1. Create a project from a local file (or pass source_url=... instead of file)
with open("promo.mp4", "rb") as f:
    project = elevenlabs.dubbing.project.create(
        file=f,
        source_language="en",
        reference="Q3 marketing video",
    )

# 2. Wait for the source media to be transcribed
while True:
    project = elevenlabs.dubbing.project.get(project.project_id)
    if project.status == "ready":
        break
    if project.status == "failed":
        raise RuntimeError("Project preparation failed")
    time.sleep(5)

# 3. Add a Spanish language target
language = elevenlabs.dubbing.project.language.create(
    project.project_id,
    target_language="es",
)

# 4. Wait for the dub to finish generating
while True:
    language = elevenlabs.dubbing.project.language.get(
        project.project_id, language.language_id
    )
    if language.status == "completed":
        break
    if language.status == "failed":
        raise RuntimeError("Dub generation failed")
    time.sleep(5)

# 5. Download the dubbed audio (signed URL, valid ~1 hour — re-fetch the language for a fresh one)
audio = requests.get(language.outputs.lossless_audio)
with open("promo_es.wav", "wb") as f:
    f.write(audio.content)

import { ElevenLabsClient } from "@elevenlabs/elevenlabs-js";
import { writeFile } from "fs/promises";

const elevenlabs = new ElevenLabsClient();

// 1. Create a project (sourceUrl shown; file upload is also supported)
let project = await elevenlabs.dubbing.project.create({
  sourceUrl: "https://example.com/promo.mp4",
  sourceLanguage: "en",
  reference: "Q3 marketing video",
});

// 2. Wait for the source media to be transcribed
while (true) {
  project = await elevenlabs.dubbing.project.get(project.projectId);
  if (project.status === "ready") break;
  if (project.status === "failed") throw new Error("Project preparation failed");
  await new Promise((resolve) => setTimeout(resolve, 5000));
}

// 3. Add a Spanish language target
let language = await elevenlabs.dubbing.project.language.create(project.projectId, {
  targetLanguage: "es",
});

// 4. Wait for the dub to finish generating
while (true) {
  language = await elevenlabs.dubbing.project.language.get(project.projectId, language.languageId);
  if (language.status === "completed") break;
  if (language.status === "failed") throw new Error("Dub generation failed");
  await new Promise((resolve) => setTimeout(resolve, 5000));
}

// 5. Download the dubbed audio from the signed URL
const response = await fetch(language.outputs!.losslessAudio!);
await writeFile("promo_es.wav", Buffer.from(await response.arrayBuffer()));

# 1. Create a project (use --source-url "https://..." instead of --file to dub from a URL)
elevenlabs dubbing project create --file promo.mp4 --source-language en
# → {"project_id": "proj_...", "status": "queued", ...}

# 2. Poll until status is "ready"
elevenlabs dubbing project get --project-id proj_...

# 3. Add a target language
elevenlabs dubbing project language create --project-id proj_... --target-language es

# 4. Poll the language until "completed", then download outputs.lossless_audio
elevenlabs dubbing project language get --project-id proj_... --language-id lang_...

# Read the source transcript
transcript = elevenlabs.dubbing.project.transcript.get(project_id)

# Correct a segment's text — send only the fields to change (text, speaker_id, start_s, end_s)
elevenlabs.dubbing.project.transcript.update_segment(
    project_id,
    segment_id=transcript.segments[0].id,
    text="Welcome to our latest product demo.",
)

# Add a segment (reuse an existing speaker_id so it's dubbed with that speaker's voice)
added = elevenlabs.dubbing.project.transcript.create_segment(
    project_id,
    text="Thanks for watching.",
    speaker_id=transcript.segments[0].speaker_id,
    start_s=40.0,
    end_s=42.0,
)

# Delete a segment
elevenlabs.dubbing.project.transcript.delete_segment(project_id, segment_id=added.segment.id)

elevenlabs dubbing project transcript update_segment \
  --project-id proj_... --segment-id seg_... \
  --text "Welcome to our latest product demo."

# Read the language's translations
target = elevenlabs.dubbing.project.language.transcript.get(project_id, language_id)

# Refine a single translation (pass translation=None to clear it and mark for re-translation)
elevenlabs.dubbing.project.language.transcript.update_segment(
    project_id,
    language_id,
    segment_id=target.segments[0].id,
    translation="Bienvenido a nuestra última demostración de producto.",
)

# Regenerate the dub from the current transcript (charged like a generation)
elevenlabs.dubbing.project.language.transcript.regenerate(project_id, language_id)

for lang in ["es", "fr", "de", "ja"]:
    elevenlabs.dubbing.project.language.create(project_id, target_language=lang)

while True:
    result = elevenlabs.dubbing.project.language.list(project_id)
    if not any(l.status in ("queued", "processing") for l in result.languages):
        break
    time.sleep(5)