From 2567a6f10b3e637cefed9237c32a91f5d46e5c14 Mon Sep 17 00:00:00 2001 From: gahusb Date: Tue, 19 May 2026 08:39:54 +0900 Subject: [PATCH] =?UTF-8?q?feat(video-render):=20providers/seedance.py=20?= =?UTF-8?q?=E2=80=94=20Seedance=202.0=20BytePlus=20client=20(SP-7)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit POST /seedance/v1/videos → GET /videos/{id} 폴링 (8초 × 60) → output.video_url 다운로드. Bearer 토큰. resolution 1080p/720p/2k, duration 4~15s. references 배열로 image-to-video 지원. Plan-B-Video Phase 2. Co-Authored-By: Claude Opus 4.7 (1M context) --- services/video-render/providers/seedance.py | 121 ++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 services/video-render/providers/seedance.py diff --git a/services/video-render/providers/seedance.py b/services/video-render/providers/seedance.py new file mode 100644 index 0000000..fd74a4c --- /dev/null +++ b/services/video-render/providers/seedance.py @@ -0,0 +1,121 @@ +"""Seedance 2.0 video generation — ByteDance Volcano Engine (BytePlus 국제 endpoint). + +POST https://api.byteplus.com/seedance/v1/videos → GET /videos/{id} 폴링 → output.video_url 다운로드. +""" +from __future__ import annotations + +import logging +import os +import time +from typing import Optional + +import requests + +from nas_client import webhook_update_task + +logger = logging.getLogger(__name__) + +SEEDANCE_BASE_URL = "https://api.byteplus.com/seedance/v1" +VIDEO_MEDIA_ROOT = os.getenv("VIDEO_MEDIA_ROOT", "/mnt/nas/webpage/data/video") +VIDEO_MEDIA_URL_PREFIX = os.getenv("VIDEO_MEDIA_URL_PREFIX", "/media/video") + +POLL_INTERVAL = 8 # Seedance는 30~120초 +POLL_MAX_ATTEMPTS = 60 + +DEFAULT_MODEL = "seedance-2.0" + + +def _headers() -> dict: + api_key = os.getenv("SEEDANCE_API_KEY", "") + return { + "Authorization": f"Bearer {api_key}", + "Content-Type": "application/json", + } + + +def run_seedance_generation(task_id: str, params: dict) -> None: + """Seedance로 영상 생성 → mp4 → NAS SMB → webhook.""" + try: + if not os.getenv("SEEDANCE_API_KEY"): + webhook_update_task(task_id, "failed", 0, "", error="SEEDANCE_API_KEY 미설정") + return + + webhook_update_task(task_id, "processing", 5, "Seedance API 호출 중...") + + body = { + "model": params.get("model") or DEFAULT_MODEL, + "prompt": params["prompt"][:2000], + "resolution": params.get("resolution", "1080p"), + "duration": params.get("duration", 5), + "aspect_ratio": params.get("aspect_ratio", "16:9"), + } + if params.get("negative_prompt"): + body["negative_prompt"] = params["negative_prompt"] + if params.get("image_url"): + body["references"] = [{"type": "image", "data": params["image_url"], "role": "subject"}] + if params.get("audio") is not None: + body["audio"] = bool(params["audio"]) + if params.get("seed") is not None: + body["seed"] = int(params["seed"]) + + resp = requests.post(f"{SEEDANCE_BASE_URL}/videos", headers=_headers(), json=body, timeout=30) + if resp.status_code not in (200, 201): + webhook_update_task(task_id, "failed", 0, "", + error=f"Seedance API 오류: {resp.status_code} {resp.text[:300]}") + return + + body_json = resp.json() + job_id = body_json.get("id", "") + if not job_id: + webhook_update_task(task_id, "failed", 0, "", error="Seedance 응답에 id 없음") + return + + webhook_update_task(task_id, "processing", 15, "Seedance 작업 등록됨") + + # 폴링 + video_url = None + for attempt in range(POLL_MAX_ATTEMPTS): + time.sleep(POLL_INTERVAL) + fetch = requests.get(f"{SEEDANCE_BASE_URL}/videos/{job_id}", + headers=_headers(), timeout=30) + if fetch.status_code != 200: + continue + fd = fetch.json() + status = fd.get("status", "") + scaled = min(15 + int((attempt / POLL_MAX_ATTEMPTS) * 65), 79) + webhook_update_task(task_id, "processing", scaled, f"Seedance 생성 중... ({status})") + + if status == "completed": + video_url = (fd.get("output") or {}).get("video_url", "") + break + elif status == "failed": + err = fd.get("error") or "Seedance 작업 실패" + webhook_update_task(task_id, "failed", 0, "", error=str(err)[:300]) + return + else: + webhook_update_task(task_id, "failed", 0, "", error="Seedance 폴링 timeout (10분)") + return + + if not video_url: + webhook_update_task(task_id, "failed", 0, "", error="Seedance 완료했으나 video_url 없음") + return + + webhook_update_task(task_id, "processing", 85, "Seedance 결과 다운로드 중...") + filename = f"{task_id}.mp4" + os.makedirs(VIDEO_MEDIA_ROOT, exist_ok=True) + file_path = os.path.join(VIDEO_MEDIA_ROOT, filename) + + dl = requests.get(video_url, stream=True, timeout=300) + dl.raise_for_status() + with open(file_path, "wb") as f: + for chunk in dl.iter_content(chunk_size=8192): + f.write(chunk) + + local_url = f"{VIDEO_MEDIA_URL_PREFIX}/{filename}" + webhook_update_task(task_id, "succeeded", 100, "Seedance 생성 완료", video_url=local_url) + + except requests.Timeout: + webhook_update_task(task_id, "failed", 0, "", error="Seedance API 타임아웃") + except Exception as e: + logger.exception("Seedance generation error task=%s", task_id) + webhook_update_task(task_id, "failed", 0, "", error=str(e))