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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"""图形界面入口：``python -m recorder.gui``（或双击 启动录音机.bat）。
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负责三件事：High-DPI 适配、深色主题样式表、以及缺依赖时的友好提示。
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"""
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from __future__ import annotations
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import sys
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QSS = """
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* { font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", sans-serif; }
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QWidget { background: #0F1218; color: #E8ECF4; font-size: 12px; }
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QMainWindow, QDialog { background: #0F1218; }
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QMenuBar { background: #12161D; border-bottom: 1px solid #2A313D; }
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QMenuBar::item { padding: 5px 12px; background: transparent; }
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QMenuBar::item:selected { background: #1D222C; border-radius: 4px; }
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QMenu { background: #161A22; border: 1px solid #2A313D; padding: 4px; }
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QMenu::item { padding: 6px 22px; border-radius: 4px; }
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QMenu::item:selected { background: #23303F; }
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QGroupBox {
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background: #161A22;
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border: 1px solid #2A313D;
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border-radius: 8px;
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margin-top: 12px;
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padding-top: 8px;
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font-weight: 600;
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}
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QGroupBox::title {
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subcontrol-origin: margin;
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left: 12px;
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padding: 0 6px;
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color: #9FB0CB;
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}
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QFrame#card {
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background: #161A22;
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border: 1px solid #2A313D;
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border-radius: 10px;
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}
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QLabel { background: transparent; }
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QPushButton {
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background: #232A36;
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border: 1px solid #323A48;
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border-radius: 6px;
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padding: 6px 12px;
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color: #E8ECF4;
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}
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QPushButton:hover { background: #2A3341; border-color: #3E4A5C; }
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QPushButton:pressed { background: #1B2129; }
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QPushButton:disabled { color: #5C6577; background: #1A1F27; border-color: #262D38; }
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QComboBox, QLineEdit, QSpinBox, QDoubleSpinBox, QPlainTextEdit {
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background: #1B2029;
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border: 1px solid #2E3644;
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border-radius: 6px;
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padding: 5px 8px;
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selection-background-color: #2C5F9E;
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}
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QComboBox:hover, QLineEdit:hover, QSpinBox:hover, QDoubleSpinBox:hover {
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border-color: #3E4A5C;
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}
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QComboBox::drop-down { border: none; width: 18px; }
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QComboBox QAbstractItemView {
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background: #1B2029;
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border: 1px solid #2E3644;
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selection-background-color: #23303F;
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outline: none;
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}
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QComboBox::down-arrow {
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image: none;
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border-left: 4px solid transparent;
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border-right: 4px solid transparent;
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border-top: 5px solid #8B94A7;
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margin-right: 6px;
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}
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QCheckBox { spacing: 7px; }
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QCheckBox::indicator {
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width: 15px; height: 15px;
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border: 1px solid #3A4352; border-radius: 4px;
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background: #1B2029;
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}
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QCheckBox::indicator:checked {
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background: #4EA1FF; border-color: #4EA1FF;
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}
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QSlider::groove:horizontal {
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height: 4px; background: #2A313D; border-radius: 2px;
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}
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QSlider::sub-page:horizontal { background: #4EA1FF; border-radius: 2px; }
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QSlider::handle:horizontal {
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background: #E8ECF4; width: 14px; margin: -6px 0; border-radius: 7px;
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}
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QScrollArea { background: transparent; border: none; }
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QScrollBar:vertical { background: #12161D; width: 10px; border-radius: 5px; }
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QScrollBar::handle:vertical { background: #333B49; border-radius: 5px; min-height: 30px; }
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QScrollBar::handle:vertical:hover { background: #414B5C; }
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QScrollBar::add-line, QScrollBar::sub-line { height: 0; }
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QStatusBar { background: #12161D; border-top: 1px solid #2A313D; color: #8B94A7; }
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QStatusBar QLabel { color: #8B94A7; }
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QSplitter::handle { background: transparent; width: 6px; }
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QProgressBar {
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background: #1B2029; border: 1px solid #2E3644; border-radius: 6px;
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text-align: center; color: #E8ECF4; height: 16px;
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}
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QProgressBar::chunk { background: #4EA1FF; border-radius: 5px; }
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QToolTip {
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background: #1B2029; color: #E8ECF4; border: 1px solid #3E4A5C;
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padding: 4px 6px; border-radius: 4px;
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}
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QTabBar::tab {
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background: #1B2029; padding: 6px 14px; border: 1px solid #2E3644;
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border-bottom: none; border-top-left-radius: 6px; border-top-right-radius: 6px;
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}
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QTabBar::tab:selected { background: #232A36; }
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"""
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def _check_dependencies() -> str | None:
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"""返回缺失依赖的说明，全部就绪时返回 None。"""
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missing = []
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try:
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import numpy # noqa: F401 (仅用于探测依赖是否就绪)
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except Exception:
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missing.append("numpy（数值运算）")
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try:
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import PyQt5 # noqa: F401 (仅用于探测依赖是否就绪)
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except Exception:
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missing.append("PyQt5（图形界面）")
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from . import engine
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if engine.sd is None:
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missing.append("sounddevice（PortAudio 音频后端）")
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if not missing:
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return None
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return ("缺少以下依赖，无法启动图形界面：\n\n · " + "\n · ".join(missing)
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+ "\n\n请运行：python install_deps.py\n"
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"（在项目目录下执行，会把依赖装到项目内的 _vendor 目录）")
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def run(argv: list[str] | None = None) -> int:
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argv = list(sys.argv if argv is None else argv)
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problem = _check_dependencies()
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if problem:
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print(problem, file=sys.stderr)
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try:
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from PyQt5.QtWidgets import QApplication as _QA, QMessageBox
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except Exception:
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return 2
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_app = _QA(argv)
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QMessageBox.critical(None, "缺少依赖", problem)
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return 2
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from PyQt5.QtCore import Qt
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from PyQt5.QtGui import QFont
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from PyQt5.QtWidgets import QApplication
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# High-DPI 相关属性必须在 QApplication 实例化之前设置
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QApplication.setAttribute(Qt.AA_EnableHighDpiScaling, True)
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QApplication.setAttribute(Qt.AA_UseHighDpiPixmaps, True)
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from .window import MainWindow
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app = QApplication(argv)
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app.setApplicationName("RecorderStudio")
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app.setOrganizationName("RecorderStudio")
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app.setStyleSheet(QSS)
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app.setFont(QFont("Microsoft YaHei UI", 9))
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win = MainWindow()
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win.show()
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return app.exec_()
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if __name__ == "__main__":
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sys.exit(run())
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