feat: AudioLibraryTab — persistent extracted-clip library (add/edit/re-export/play/remove)
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@@ -4416,6 +4416,170 @@ class AudioEditorDialog(QDialog):
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self._set_status("Save failed")
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class AudioLibraryTab(QWidget):
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"""A persistent library of extracted audio clips: add (auto/manual/drag),
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Edit (emits edit_requested), Re-export (save-as/transcode), Play, Remove.
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Backed by a QSettings string-list under *key*."""
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edit_requested = pyqtSignal(str)
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def __init__(self, settings, key: str = "audio_library", parent=None):
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super().__init__(parent)
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self._settings = settings
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self._key = key
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self._play_proc = None
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self.setAcceptDrops(True)
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self._list = QListWidget()
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self._list.itemDoubleClicked.connect(lambda _i: self._on_edit())
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self._btn_add = QPushButton("＋ Add files…"); self._btn_add.clicked.connect(self._on_add_files)
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self._btn_edit = QPushButton("✎ Edit"); self._btn_edit.clicked.connect(self._on_edit)
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self._btn_reexport = QPushButton("⬇ Re-export"); self._btn_reexport.clicked.connect(self._on_reexport)
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self._btn_play = QPushButton("▶ Play"); self._btn_play.setCheckable(True); self._btn_play.toggled.connect(self._on_play)
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self._btn_remove = QPushButton("✕ Remove"); self._btn_remove.clicked.connect(self._on_remove)
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v = QVBoxLayout(self)
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v.setContentsMargins(6, 6, 6, 6)
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v.addWidget(self._list)
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row = QHBoxLayout()
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for b in (self._btn_add, self._btn_edit, self._btn_reexport, self._btn_play, self._btn_remove):
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row.addWidget(b)
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v.addLayout(row)
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self._load()
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# ── data ────────────────────────────────────────────────────────
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def clips(self) -> list[str]:
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return [self._list.item(i).data(Qt.ItemDataRole.UserRole)
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for i in range(self._list.count())]
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def add_clip(self, path: str) -> None:
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ap = os.path.abspath(path)
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if ap in self.clips():
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return
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dur = probe_duration(ap)
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text = (f"{os.path.basename(ap)} ({dur:.2f}s)"
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if dur is not None else os.path.basename(ap))
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it = QListWidgetItem(text)
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it.setData(Qt.ItemDataRole.UserRole, ap)
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it.setToolTip(ap)
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self._list.addItem(it)
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self._persist()
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def _current_path(self):
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it = self._list.currentItem()
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return it.data(Qt.ItemDataRole.UserRole) if it else None
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def _persist(self) -> None:
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self._settings.setValue(self._key, self.clips())
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def _load(self) -> None:
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stored = self._settings.value(self._key, []) or []
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if isinstance(stored, str): # QSettings can hand back a bare str for a 1-elem list
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stored = [stored]
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for p in stored:
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if p and os.path.exists(p):
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self.add_clip(p) # add_clip re-persists (drops the missing ones)
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self._persist() # prune stale paths even if none survived
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# ── actions ─────────────────────────────────────────────────────
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def _on_add_files(self) -> None:
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default_dir = self._settings.value("audio_extract_dir", "") or ""
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paths, _sel = QFileDialog.getOpenFileNames(
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self, "Add audio clips", default_dir,
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"Audio (*.wav *.mp3 *.flac *.m4a *.ogg *.opus *.aac);;All files (*)")
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for p in paths:
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self.add_clip(p)
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def _on_edit(self) -> None:
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p = self._current_path()
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if p:
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self.edit_requested.emit(p)
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def _on_remove(self) -> None:
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row = self._list.currentRow()
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if row >= 0:
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self._list.takeItem(row)
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self._persist()
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def _on_reexport(self) -> None:
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p = self._current_path()
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if not p:
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return
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dur = probe_duration(p) or 0.0
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if dur <= 0:
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QMessageBox.warning(self, "Re-export failed",
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"Could not read the clip's duration.")
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return
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stem = os.path.splitext(os.path.basename(p))[0]
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default_dir = self._settings.value("audio_extract_dir", "") or os.path.dirname(p)
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out, _sel = QFileDialog.getSaveFileName(
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self, "Re-export clip", os.path.join(default_dir, stem + ".wav"),
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"WAV (*.wav);;MP3 (*.mp3);;FLAC (*.flac);;All files (*)")
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if not out:
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return
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if not os.path.splitext(out)[1]:
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out += ".wav"
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cmd = build_audio_clip_command(p, 0.0, dur, out)
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QApplication.setOverrideCursor(Qt.CursorShape.WaitCursor)
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try:
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proc = subprocess.run(cmd, capture_output=True, timeout=300)
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except Exception:
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proc = None
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finally:
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QApplication.restoreOverrideCursor()
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if not (proc is not None and proc.returncode == 0 and os.path.exists(out)):
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QMessageBox.warning(self, "Re-export failed", "Could not re-export the clip.")
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# ── playback (self-contained ffplay) ────────────────────────────
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def _on_play(self, checked: bool) -> None:
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if not checked:
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self._stop_play(); return
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p = self._current_path()
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if not p:
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self._btn_play.setChecked(False); return
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from PyQt6.QtCore import QProcess
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self._stop_play()
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self._play_proc = QProcess(self)
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self._play_proc.finished.connect(self._on_play_done)
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self._play_proc.errorOccurred.connect(self._on_play_done)
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self._play_proc.start(_bin("ffplay"), ["-autoexit", "-nodisp", "-loglevel", "error", p])
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self._btn_play.setText("■ Stop")
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def _on_play_done(self, *_a) -> None:
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proc = self._play_proc
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self._play_proc = None
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if proc is not None:
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proc.deleteLater()
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self._btn_play.setText("▶ Play")
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if self._btn_play.isChecked():
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self._btn_play.blockSignals(True); self._btn_play.setChecked(False); self._btn_play.blockSignals(False)
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def _stop_play(self) -> None:
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proc = self._play_proc
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self._play_proc = None
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if proc is not None:
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try:
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proc.finished.disconnect(); proc.errorOccurred.disconnect()
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except Exception:
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pass
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proc.kill(); proc.waitForFinished(100); proc.deleteLater()
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self._btn_play.setText("▶ Play")
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# ── drag & drop audio files ─────────────────────────────────────
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def dragEnterEvent(self, e):
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if e.mimeData().hasUrls():
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e.acceptProposedAction()
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def dropEvent(self, e):
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for url in e.mimeData().urls():
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p = url.toLocalFile()
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if p and os.path.splitext(p)[1].lower() in (
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".wav", ".mp3", ".flac", ".m4a", ".ogg", ".opus", ".aac"):
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self.add_clip(p)
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e.acceptProposedAction()
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class MainWindow(QMainWindow):
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def __init__(self):
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super().__init__()
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