auto-save 2026-05-12 15:57 (~5)

.memory/worklog.json

@@ -20,6 +20,13 @@
       "message": "auto-save 2026-05-12 15:41 (+1, ~3)",
       "hash": "bbd41fa",
       "files_changed": 4
+    },
+    {
+      "ts": "2026-05-12T15:51:42+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-12 15:47 (+2, ~3)",
+      "hash": "2e45ad9",
+      "files_changed": 96
     }
   ]
 }

api/main.py

@@ -11,7 +11,7 @@ from pathlib import Path
 from typing import Literal
 
 from dotenv import load_dotenv
-from fastapi import BackgroundTasks, FastAPI, HTTPException
+from fastapi import BackgroundTasks, FastAPI, File, HTTPException, UploadFile
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import FileResponse
 from pydantic import BaseModel, Field
@@ -106,7 +106,9 @@ app.add_middleware(
 def run(cmd: list[str], cwd: Path | None = None) -> str:
     res = subprocess.run(cmd, cwd=cwd, capture_output=True, text=True)
     if res.returncode != 0:
-        raise RuntimeError(f"cmd failed: {' '.join(cmd[:3])}... · {res.stderr[:500]}")
+        # ffmpeg 把 banner 写 stderr，挑最后几行（真错误一般在末尾）
+        tail = "\n".join(res.stderr.splitlines()[-12:]) or res.stderr[-800:]
+        raise RuntimeError(f"cmd failed: {' '.join(cmd[:3])}... · {tail}")
     return res.stdout
 
 
@@ -122,18 +124,21 @@ async def pipeline_download_split_frames(job_id: str) -> None:
     job = JOBS[job_id]
     d = job_dir(job_id)
     try:
-        # ---- 1. yt-dlp 下载
-        update(job, status="downloading", message="yt-dlp 下载中…", progress=5)
         mp4 = d / "source.mp4"
-        run([
+        # ---- 1. yt-dlp 下载（上传模式 mp4 已存在 → 跳过）
-            "yt-dlp", "-f", "best[ext=mp4]/best",
+        if mp4.exists():
-            "-o", str(mp4),
+            update(job, status="downloading", message="本地上传，跳过下载", progress=15)
-            "--no-warnings", "--no-playlist",
+        else:
-            "--retries", "3",
+            update(job, status="downloading", message="yt-dlp 下载中…", progress=5)
-            job.url,
+            run([
-        ])
+                "yt-dlp", "-f", "best[ext=mp4]/best",
-        if not mp4.exists():
+                "-o", str(mp4),
-            raise RuntimeError("下载完成但找不到 source.mp4")
+                "--no-warnings", "--no-playlist",
+                "--retries", "3",
+                job.url,
+            ])
+            if not mp4.exists():
+                raise RuntimeError("下载完成但找不到 source.mp4")
 
         # 元数据
         meta = ffprobe_meta(mp4)
@@ -165,14 +170,20 @@ async def pipeline_download_split_frames(job_id: str) -> None:
             shutil.rmtree(frames_dir)
         frames_dir.mkdir(parents=True)
 
-        # 先用场景切换检测
+        # 先用场景切换检测（失败时不阻塞，走均匀采样兜底）
-        run([
+        try:
-            "ffmpeg", "-y", "-i", str(mp4),
+            run([
-            "-vf", "select='gt(scene,0.4)',showinfo",
+                "ffmpeg", "-y", "-i", str(mp4),
-            "-vsync", "vfr",
+                "-vf", "select='gt(scene,0.4)'",
-            "-frames:v", "30",
+                "-fps_mode", "vfr",
-            str(frames_dir / "scene_%03d.jpg"),
+                "-frames:v", "30",
-        ])
+                "-pix_fmt", "yuvj420p",  # mjpeg encoder 要 JPEG full-range
+                "-q:v", "3",
+                str(frames_dir / "scene_%03d.jpg"),
+            ])
+        except Exception:
+            # 场景切换检测在某些纯合成 / 静态视频上会失败，让它静默走兜底
+            pass
         scene_frames = sorted(frames_dir.glob("scene_*.jpg"))
 
         # 均匀采样兜底 / 补足
@@ -184,7 +195,9 @@ async def pipeline_download_split_frames(job_id: str) -> None:
                 out = frames_dir / f"sample_{i:03d}.jpg"
                 run([
                     "ffmpeg", "-y", "-ss", str(t), "-i", str(mp4),
-                    "-frames:v", "1", "-q:v", "3", str(out),
+                    "-frames:v", "1",
+                    "-pix_fmt", "yuvj420p",
+                    "-q:v", "3", str(out),
                 ])
 
         # 统一排序、按时间戳读取、限制 10 张
@@ -299,6 +312,32 @@ async def create_job(req: CreateJobReq, bg: BackgroundTasks) -> Job:
     return job
 
 
+@app.post("/jobs/upload", response_model=Job)
+async def create_job_from_upload(bg: BackgroundTasks, file: UploadFile = File(...)) -> Job:
+    if not file.filename:
+        raise HTTPException(400, "file required")
+    # 简化：只验后缀，不嗅探 magic bytes
+    ext = Path(file.filename).suffix.lower()
+    if ext not in {".mp4", ".mov", ".webm", ".mkv", ".m4v"}:
+        raise HTTPException(400, f"unsupported video format: {ext}")
+
+    job_id = uuid.uuid4().hex[:12]
+    d = job_dir(job_id)
+    mp4 = d / "source.mp4"
+    # 直接落盘（流式写入，避免全量进内存）
+    with mp4.open("wb") as f:
+        while chunk := await file.read(1024 * 1024):
+            f.write(chunk)
+    if not mp4.exists() or mp4.stat().st_size == 0:
+        raise HTTPException(500, "upload failed")
+
+    job = Job(id=job_id, url=f"upload://{file.filename}")
+    JOBS[job_id] = job
+    save_state(job)
+    bg.add_task(pipeline_download_split_frames, job_id)
+    return job
+
+
 @app.get("/jobs/{job_id}", response_model=Job)
 def get_job(job_id: str) -> Job:
     job = JOBS.get(job_id)

web/app/page.tsx

@@ -5,7 +5,7 @@ import { UrlInput } from "@/components/url-input"
 import { JobStatusBar } from "@/components/job-status"
 import { KeyframeGallery } from "@/components/keyframe-gallery"
 import { TranscriptPanel } from "@/components/transcript-panel"
-import { createJob, getJob, triggerTranscribe, videoUrl, type Job } from "@/lib/api"
+import { createJob, getJob, triggerTranscribe, uploadJob, videoUrl, type Job } from "@/lib/api"
 
 export default function Home() {
   const [job, setJob] = useState<Job | null>(null)
@@ -30,6 +30,22 @@ export default function Home() {
     }
   }, [])
 
+  const handleUpload = useCallback(async (file: File) => {
+    setSubmitting(true)
+    setSelected(new Set())
+    transcribeTriggeredRef.current = null
+    try {
+      toast.info(`正在上传 ${file.name} (${(file.size / 1024 / 1024).toFixed(1)} MB)`)
+      const created = await uploadJob(file)
+      setJob(created)
+      toast.success(`已上传，任务 ${created.id.slice(0, 8)}`)
+    } catch (e) {
+      toast.error("上传失败：" + (e instanceof Error ? e.message : String(e)))
+    } finally {
+      setSubmitting(false)
+    }
+  }, [])
+
   // 轮询 job 状态
   useEffect(() => {
     if (!job) return
@@ -93,7 +109,11 @@ export default function Home() {
 
         {/* URL 输入 */}
         <section>
-          <UrlInput loading={submitting || (job !== null && job.status !== "transcribed" && job.status !== "failed")} onSubmit={handleSubmit} />
+          <UrlInput
+            loading={submitting || (job !== null && job.status !== "transcribed" && job.status !== "failed")}
+            onSubmitUrl={handleSubmit}
+            onUploadFile={handleUpload}
+          />
         </section>
 
         {job && (
@@ -146,7 +166,7 @@ export default function Home() {
 
         {!job && (
           <section className="text-center py-16">
-            <div className="font-serif text-2xl text-white/30">↑ 粘贴一条 TikTok 链接开始</div>
+            <div className="font-serif text-2xl text-white/30">↑ 粘贴 TikTok 链接，或拖入 / 上传本地视频</div>
           </section>
         )}
 

web/components/url-input.tsx

@@ -1,41 +1,94 @@
 "use client"
-import { useState } from "react"
+import { useRef, useState } from "react"
-import { Link2, Loader2 } from "lucide-react"
+import { Link2, Loader2, Upload } from "lucide-react"
 
 interface Props {
   loading?: boolean
-  onSubmit: (url: string) => void
+  onSubmitUrl: (url: string) => void
+  onUploadFile: (file: File) => void
 }
 
-export function UrlInput({ loading, onSubmit }: Props) {
+export function UrlInput({ loading, onSubmitUrl, onUploadFile }: Props) {
   const [url, setUrl] = useState("")
+  const [dragOver, setDragOver] = useState(false)
+  const fileRef = useRef<HTMLInputElement>(null)
+
+  const pickFile = () => fileRef.current?.click()
+
+  const handleFiles = (files: FileList | null) => {
+    if (!files || files.length === 0) return
+    const f = files[0]
+    if (!f.type.startsWith("video/") && !/\.(mp4|mov|webm|mkv|m4v)$/i.test(f.name)) {
+      // sonner is in page; keep simple here
+      console.warn("not a video file:", f.name)
+      return
+    }
+    onUploadFile(f)
+  }
 
   return (
     <form
       onSubmit={(e) => {
         e.preventDefault()
         const trimmed = url.trim()
-        if (trimmed) onSubmit(trimmed)
+        if (trimmed) onSubmitUrl(trimmed)
+      }}
+      onDragOver={(e) => {
+        e.preventDefault()
+        if (!loading) setDragOver(true)
+      }}
+      onDragLeave={() => setDragOver(false)}
+      onDrop={(e) => {
+        e.preventDefault()
+        setDragOver(false)
+        if (loading) return
+        handleFiles(e.dataTransfer.files)
       }}
       className="relative w-full"
     >
-      <div className="glass-card flex items-center gap-3 px-5 py-4">
+      <div
+        className={`glass-card flex items-center gap-3 px-5 py-4 transition ${
+          dragOver ? "ring-2 ring-white/40 bg-white/[0.08]" : ""
+        }`}
+      >
         <Link2 className="h-5 w-5 shrink-0 text-white/40" />
         <input
           value={url}
           onChange={(e) => setUrl(e.target.value)}
-          placeholder="粘贴 TikTok 链接，例如 https://www.tiktok.com/@user/video/..."
+          placeholder={dragOver ? "松开以上传视频" : "粘贴 TikTok 链接，或拖入 / 上传本地视频"}
           className="w-full bg-transparent text-white placeholder:text-white/30 outline-none text-[15px]"
           disabled={loading}
         />
+        {/* 上传按钮 */}
+        <button
+          type="button"
+          onClick={pickFile}
+          disabled={loading}
+          className="shrink-0 inline-flex items-center gap-1.5 rounded-md border border-white/15 bg-white/5 hover:bg-white/10 px-3 py-2 text-xs text-white/80 disabled:opacity-40 disabled:cursor-not-allowed transition"
+          title="上传本地视频"
+        >
+          <Upload className="h-3.5 w-3.5" />
+          上传
+        </button>
+        {/* 提交按钮 */}
         <button
           type="submit"
           disabled={loading || !url.trim()}
-          className="shrink-0 rounded-md bg-white text-black px-4 py-2 text-sm font-medium hover:bg-white/90 disabled:opacity-40 disabled:cursor-not-allowed transition flex items-center gap-2"
+          className="shrink-0 rounded-md bg-white text-black px-4 py-2 text-sm font-medium hover:bg-white/90 disabled:opacity-40 disabled:cursor-not-allowed transition inline-flex items-center gap-2"
         >
           {loading ? <Loader2 className="h-4 w-4 animate-spin" /> : null}
           {loading ? "处理中" : "提交"}
         </button>
+        <input
+          ref={fileRef}
+          type="file"
+          accept="video/mp4,video/quicktime,video/webm,video/x-matroska,.mp4,.mov,.webm,.mkv,.m4v"
+          className="hidden"
+          onChange={(e) => handleFiles(e.target.files)}
+        />
+      </div>
+      <div className="mt-2 text-[11px] text-white/30 px-1">
+        支持：TikTok 链接 · 拖入视频文件 · 点击上传 · 格式 mp4 / mov / webm / mkv / m4v
       </div>
     </form>
   )

web/lib/api.ts

@@ -48,6 +48,20 @@ export async function createJob(tkUrl: string): Promise<Job> {
   return res.json()
 }
 
+export async function uploadJob(file: File): Promise<Job> {
+  const fd = new FormData()
+  fd.append("file", file)
+  const res = await fetch(`${API_BASE}/jobs/upload`, {
+    method: "POST",
+    body: fd,
+  })
+  if (!res.ok) {
+    const text = await res.text().catch(() => "")
+    throw new Error(`uploadJob ${res.status} ${text.slice(0, 200)}`)
+  }
+  return res.json()
+}
+
 export async function getJob(id: string): Promise<Job> {
   const res = await fetch(`${API_BASE}/jobs/${id}`)
   if (!res.ok) throw new Error(`getJob ${res.status}`)