重构无人直播助手：内嵌 youLIVE、摄像头直推、推流诊断与 UI 焕新

将 README 改写为产品文档；移除微信/EasyTier/工作台等遗留模块；新增 youLIVE 目标端监控、摄像头推流、质量守卫与转播历史能力。

Co-authored-by: Cursor <cursoragent@cursor.com>

web2_camera.py

@@ -0,0 +1,161 @@
+"""Physical camera capture config and FFmpeg device enumeration."""
+
+from __future__ import annotations
+
+import configparser
+import re
+import shutil
+import subprocess
+import sys
+from pathlib import Path
+from typing import Any
+
+
+def camera_ini_path(config_dir: Path) -> Path:
+    return config_dir / "camera_live.ini"
+
+
+def default_camera_config() -> dict[str, str]:
+    return {
+        "video_device": "",
+        "audio_device": "",
+        "width": "1280",
+        "height": "720",
+        "fps": "30",
+        "bitrate": "2500",
+        "use_gpu": "是",
+        "youtube_watch_url": "",
+    }
+
+
+def load_camera_config(config_dir: Path) -> dict[str, str]:
+    p = camera_ini_path(config_dir)
+    out = default_camera_config()
+    if not p.exists():
+        return out
+    cp = configparser.ConfigParser()
+    try:
+        cp.read(p, encoding="utf-8")
+    except Exception:
+        return out
+    if not cp.has_section("camera"):
+        return out
+    for key in out:
+        if cp.has_option("camera", key):
+            out[key] = str(cp.get("camera", key) or "").strip()
+    return out
+
+
+def save_camera_config(config_dir: Path, patch: dict[str, Any]) -> tuple[bool, str]:
+    config_dir = Path(config_dir)
+    config_dir.mkdir(parents=True, exist_ok=True)
+    cur = load_camera_config(config_dir)
+    for k, v in patch.items():
+        if k in cur:
+            cur[k] = str(v or "").strip()
+    cp = configparser.ConfigParser()
+    cp["camera"] = cur
+    p = camera_ini_path(config_dir)
+    try:
+        with p.open("w", encoding="utf-8") as f:
+            cp.write(f)
+        return True, "摄像头配置已保存"
+    except Exception as e:
+        return False, f"保存失败: {e}"
+
+
+def camera_config_ready(config_dir: Path) -> str | None:
+    cfg = load_camera_config(config_dir)
+    if not str(cfg.get("video_device") or "").strip():
+        return "请先选择摄像头设备"
+    yp = Path(config_dir) / "youtube.ini"
+    if not yp.exists():
+        return "请先在 YouTube 配置中填写串流密钥"
+    cp = configparser.ConfigParser()
+    try:
+        cp.read(yp, encoding="utf-8")
+    except Exception:
+        return "无法读取 youtube.ini"
+    if not cp.has_section("youtube"):
+        return "请先在 YouTube 配置中填写串流密钥"
+    for name, val in cp.items("youtube"):
+        v = (val or "").strip()
+        if name in ("key", "stream_key") and v and not v.startswith("#"):
+            return None
+    return "请先在 YouTube 配置中填写串流密钥"
+
+
+def _ffmpeg_exe() -> str | None:
+    return shutil.which("ffmpeg")
+
+
+def _run_ffmpeg_list(args: list[str], timeout: float = 12.0) -> str:
+    exe = _ffmpeg_exe()
+    if not exe:
+        return ""
+    try:
+        proc = subprocess.run(
+            [exe, *args],
+            capture_output=True,
+            text=True,
+            encoding="utf-8",
+            errors="replace",
+            timeout=timeout,
+        )
+        return (proc.stderr or "") + (proc.stdout or "")
+    except Exception:
+        return ""
+
+
+def _parse_dshow_devices(stderr: str) -> list[dict[str, str]]:
+    devices: list[dict[str, str]] = []
+    in_video = False
+    in_audio = False
+    for line in stderr.splitlines():
+        if re.search(r"DirectShow video devices", line, re.I):
+            in_video, in_audio = True, False
+            continue
+        if re.search(r"DirectShow audio devices", line, re.I):
+            in_audio, in_video = True, False
+            continue
+        if line.strip().startswith("[") and not re.search(r'\] "(.*)" \((video|audio)\)', line):
+            in_video = in_audio = False
+        m = re.search(r'\] "(.*)" \((video|audio)\)', line)
+        if not m:
+            continue
+        name, kind = m.group(1), m.group(2)
+        if kind == "video" and in_video:
+            devices.append({"id": name, "name": name, "kind": "video"})
+        elif kind == "audio" and in_audio:
+            devices.append({"id": name, "name": name, "kind": "audio"})
+    return devices
+
+
+def _parse_v4l2_devices(stderr: str) -> list[dict[str, str]]:
+    devices: list[dict[str, str]] = []
+    for line in stderr.splitlines():
+        m = re.search(r"\] (/dev/video\d+)", line)
+        if m:
+            dev = m.group(1)
+            devices.append({"id": dev, "name": dev, "kind": "video"})
+    return devices
+
+
+def list_capture_devices() -> dict[str, Any]:
+    exe = _ffmpeg_exe()
+    if not exe:
+        return {"ok": False, "error": "未找到 ffmpeg，请确认安装目录完整", "devices": []}
+    if sys.platform == "win32":
+        stderr = _run_ffmpeg_list(["-hide_banner", "-list_devices", "true", "-f", "dshow", "-i", "dummy"])
+        devices = _parse_dshow_devices(stderr)
+    elif sys.platform == "darwin":
+        stderr = _run_ffmpeg_list(["-hide_banner", "-f", "avfoundation", "-list_devices", "true", "-i", ""])
+        devices = []
+        for line in stderr.splitlines():
+            m = re.search(r"\[(\d+)\] (.+)", line)
+            if m and re.search(r"AVFoundation|video devices", stderr, re.I):
+                devices.append({"id": m.group(1), "name": m.group(2).strip(), "kind": "video"})
+    else:
+        stderr = _run_ffmpeg_list(["-hide_banner", "-list_devices", "true", "-f", "v4l2", "-i", "dummy"])
+        devices = _parse_v4l2_devices(stderr)
+    return {"ok": True, "devices": devices, "platform": sys.platform}