Initial commit: RecorderStudio：PyQt5 高保真录音软件，无损 WAV / WASAPI 独占、BS.1770 响度与 ffmpeg 交叉验证
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"""命令行录音：适合自动化、定时任务、无界面服务器。
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示例::
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python -m recorder.cli --list-devices
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python -m recorder.cli -d 3 -t 60 -o D:\\rec --name 会议
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python -m recorder.cli --probe 3
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python -m recorder.cli --analyze D:\\rec\\会议.wav
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python -m recorder.cli --process D:\\rec\\会议.wav --normalize lufs --target -16
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"""
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from __future__ import annotations
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import argparse
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import os
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import signal
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import sys
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import time
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from . import __version__, engine, post
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def build_parser() -> argparse.ArgumentParser:
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p = argparse.ArgumentParser(
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prog="recorder",
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description="RecorderStudio · 高清晰度无损录音机（命令行模式）",
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formatter_class=argparse.RawDescriptionHelpFormatter,
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epilog="提示：加 --gui 可启动图形界面（等价于 python -m recorder.gui）。")
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p.add_argument("--version", action="version", version=f"RecorderStudio {__version__}")
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g = p.add_argument_group("设备")
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g.add_argument("--list-devices", action="store_true", help="列出所有输入设备并退出")
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g.add_argument("--probe", type=int, metavar="INDEX",
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help="检测指定设备支持哪些采样率")
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g.add_argument("-d", "--device", type=int, help="输入设备索引（默认使用系统默认设备）")
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g.add_argument("--no-exclusive", action="store_true",
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help="关闭 WASAPI 独占模式（共享模式，兼容性更好）")
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g.add_argument("--blocksize", type=int, default=0, help="缓冲区采样数，0 = 自动")
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g = p.add_argument_group("格式")
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g.add_argument("-r", "--rate", type=int, default=48000, help="采样率（默认 48000）")
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g.add_argument("-c", "--channels", type=int, default=2, help="声道数（默认 2）")
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g.add_argument("-b", "--bit-depth", default="24",
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choices=["16", "24", "32", "float32"],
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help="位深（默认 24）")
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g.add_argument("--no-dither", action="store_true", help="关闭 TPDF 抖动")
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g.add_argument("--rf64", action="store_true", help="使用 RF64 容器（>4 GB 单文件）")
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g.add_argument("--gain", type=float, default=0.0, help="软件增益 dB（默认 0）")
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g.add_argument("--lowcut", type=float, default=0.0,
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help="线性相位低切频率 Hz（0 = 关闭）")
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g = p.add_argument_group("录制")
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g.add_argument("-t", "--seconds", type=float, help="录制时长（秒）；不填则按回车停止")
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g.add_argument("-o", "--outdir", default="", help="输出目录（默认 ./recordings）")
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g.add_argument("--name", default="{datetime}_{device}", help="文件命名模板")
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g.add_argument("--split-seconds", type=float, default=0.0, help="按时长自动分段（秒）")
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g.add_argument("--split-mb", type=float, default=0.0, help="按体积自动分段（MB）")
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g.add_argument("--stop-after-silence", type=float, default=0.0,
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help="静音多少秒后自动停止（0 = 不自动停止）")
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g.add_argument("--silence-threshold", type=float, default=-50.0,
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help="静音判定阈值 dBFS")
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g = p.add_argument_group("后处理")
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g.add_argument("--analyze", metavar="WAV", help="分析已有录音并退出")
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g.add_argument("--process", metavar="WAV", help="对已有录音做后期处理")
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g.add_argument("--normalize", choices=["none", "peak", "lufs"], default="none",
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help="归一化方式（默认 none）")
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g.add_argument("--target", type=float, default=-16.0, help="响度归一化目标 LUFS")
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g.add_argument("--target-peak", type=float, default=-1.0,
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help="峰值归一化目标 dBFS")
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g.add_argument("--trim", action="store_true", help="裁剪首尾静音")
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g.add_argument("--mono", action="store_true", help="混合为单声道")
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g.add_argument("--export", default="", help="导出格式预设（flac/mp3_320/opus/m4a/wav_16…）")
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g.add_argument("--report", action="store_true", help="额外生成报告与波形预览图")
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g.add_argument("--gui", action="store_true", help="启动图形界面")
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return p
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def cmd_list_devices() -> int:
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print(engine.device_summary())
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return 0
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def cmd_probe(index: int, channels: int) -> int:
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info = engine.find_device(index) if hasattr(engine, "find_device") else None
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if info is None:
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devs = [d for d in engine.list_input_devices() if d.index == index]
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info = devs[0] if devs else None
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if info is None:
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print(f"找不到设备 {index}", file=sys.stderr)
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return 1
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print(f"设备 [{info.index}] {info.name} 宿主 API：{info.hostapi}")
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res = engine.probe_capabilities(index, channels=min(channels,
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info.max_input_channels))
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print(f"检测通道数：{res['channels']}\n")
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for rate, entry in res["rates"].items():
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if entry["supported"]:
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mode = "独占" if entry.get("exclusive") else "共享"
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print(f" ✓ {rate:>6} Hz {mode} {', '.join(entry['dtypes'])}")
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else:
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print(f" ✗ {rate:>6} Hz 不支持（{entry.get('error', '')[:60]}）")
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return 0
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def cmd_record(args: argparse.Namespace) -> int:
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cfg = engine.RecordConfig(
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device=args.device,
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samplerate=args.rate,
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channels=args.channels,
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bit_depth=args.bit_depth,
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gain_db=args.gain,
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exclusive=not args.no_exclusive,
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blocksize=args.blocksize,
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lowcut_hz=args.lowcut,
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dither=not args.no_dither,
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rf64=args.rf64,
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output_dir=args.outdir or os.path.join(os.getcwd(), "recordings"),
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name_template=args.name,
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split_seconds=args.split_seconds,
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split_megabytes=args.split_mb,
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silence_threshold_dbfs=args.silence_threshold,
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auto_stop_silence_seconds=args.stop_after_silence,
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)
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rec = engine.Recorder(cfg)
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try:
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rec.start()
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except Exception as exc:
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print(f"启动失败：{exc}", file=sys.stderr)
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return 2
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print(f"正在录音 → {cfg.output_dir}")
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print(f"格式：{cfg.wav_format().describe()} "
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f"{'独占模式' if cfg.exclusive else '共享模式'}"
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f"{' 低切 %.0f Hz' % cfg.lowcut_hz if cfg.lowcut_hz else ''}")
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for n in rec.notes():
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print(" · " + n)
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stop_by_signal = {"flag": False}
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def _handler(signum, frame): # noqa: ANN001
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stop_by_signal["flag"] = True
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for sig in (signal.SIGINT, signal.SIGTERM):
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try:
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signal.signal(sig, _handler)
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except Exception:
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pass
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try:
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if args.seconds:
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deadline = time.time() + args.seconds
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while time.time() < deadline and not stop_by_signal["flag"]:
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time.sleep(0.2)
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snap = rec.live()
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sys.stdout.write(
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f"\r 已录 {engine.format_duration(snap.elapsed)} "
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f"{engine.format_bytes(snap.bytes_written)} "
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f"峰值 {snap.peak_dbfs:+.1f} dBFS "
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f"响度 {snap.meter.momentary_lufs:+.1f} LUFS "
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f"xrun {snap.xruns} 溢出 {snap.overflow_blocks} ")
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sys.stdout.flush()
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if snap.state == engine.RecorderState.IDLE.value:
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break # 静音自动停止
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else:
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print("按回车停止录音…")
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input()
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except KeyboardInterrupt:
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pass
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print()
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result = rec.stop()
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print(post.render_report(result))
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if args.report and result.primary_file:
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files = post.write_metadata(result)
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png = post.make_preview_for(result)
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if png:
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files.append(png)
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print("\n已生成：" + "、".join(os.path.basename(f) for f in files))
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if args.export and result.primary_file:
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meta = post.EXPORT_PRESETS.get(args.export)
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if meta is None:
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print(f"未知导出格式：{args.export}；可选：{', '.join(post.EXPORT_PRESETS)}",
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file=sys.stderr)
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return 1
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dst = post.default_export_path(result.primary_file, args.export)
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ok, msg = post.export_audio(result.primary_file, dst, args.export)
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print(("导出成功：" if ok else "导出失败：") + msg)
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return 0 if ok else 1
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return 0
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def cmd_analyze(path: str) -> int:
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if not os.path.exists(path):
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print(f"文件不存在：{path}", file=sys.stderr)
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return 1
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print(post.regenerate_report(path))
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return 0
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def cmd_process(args: argparse.Namespace) -> int:
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if not os.path.exists(args.process):
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print(f"文件不存在：{args.process}", file=sys.stderr)
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return 1
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opts = post.ProcessOptions(
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trim_silence=args.trim,
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remove_dc=True,
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lowcut_hz=args.lowcut,
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normalize=args.normalize,
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normalize_target_lufs=args.target,
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normalize_target_dbfs=args.target_peak,
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mono=args.mono,
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bit_depth=args.bit_depth,
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dither=not args.no_dither,
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)
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report = post.process_file(args.process, opts,
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progress=lambda m: print(" " + m))
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print("\n处理完成：" + report["output"])
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for s in report.get("steps", []):
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print(" · " + s)
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an = report.get("analysis") or {}
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if an:
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print(f" 输出体检：峰值 {an.get('peak_dbfs')} dBFS "
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f"真峰值 {an.get('true_peak_dbtp')} dBTP "
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f"响度 {an.get('integrated_lufs')} LUFS")
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if args.report:
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png = post.write_waveform_png(
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os.path.splitext(report["output"])[0] + "_waveform.png",
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*post._read_whole(report["output"]))
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print(" 波形预览：" + png)
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if args.export:
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meta = post.EXPORT_PRESETS.get(args.export)
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if meta is None:
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print(f"未知导出格式：{args.export}", file=sys.stderr)
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return 1
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dst = post.default_export_path(report["output"], args.export)
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ok, msg = post.export_audio(report["output"], dst, args.export)
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print((" 导出成功：" if ok else " 导出失败：") + msg)
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return 0 if ok else 1
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return 0
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def main(argv: list[str] | None = None) -> int:
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args = build_parser().parse_args(argv)
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if args.gui:
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from .gui import run
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return run([sys.argv[0]])
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if args.list_devices:
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return cmd_list_devices()
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if args.probe is not None:
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return cmd_probe(args.probe, args.channels)
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if args.analyze:
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return cmd_analyze(args.analyze)
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if args.process:
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return cmd_process(args)
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if engine.sd is None:
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print(f"音频后端不可用：{engine.SD_IMPORT_ERROR}", file=sys.stderr)
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return 2
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return cmd_record(args)
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if __name__ == "__main__":
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sys.exit(main())
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