33cca5f552
CutScript is a local-first, Descript-like video editor where you edit video by editing text. Delete a word from the transcript and it's cut from the video. Features: - Word-level transcription with WhisperX - Text-based video editing with undo/redo - AI filler word removal (Ollama/OpenAI/Claude) - AI clip creation for shorts - Waveform timeline with virtualized transcript - FFmpeg stream-copy (fast) and re-encode (4K) export - Caption burn-in and sidecar SRT generation - Studio Sound audio enhancement (DeepFilterNet) - Keyboard shortcuts (J/K/L, Space, Delete, Ctrl+Z/S/E) - Encrypted API key storage - Project save/load (.aive files) Architecture: - Electron + React + Tailwind (frontend) - FastAPI + Python (backend) - WhisperX for transcription - FFmpeg for video processing - Multi-provider AI support Performance optimizations: - RAF-throttled time updates - Zustand selectors for granular subscriptions - Dual-canvas waveform rendering - Virtualized transcript with react-virtuoso Built on top of DataAnts-AI/VideoTranscriber, completely rewritten as a desktop application. License: MIT
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
from pathlib import Path
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import tempfile
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import os
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import logging
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try:
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from moviepy import AudioFileClip
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except ImportError:
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from moviepy.editor import AudioFileClip
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logger = logging.getLogger(__name__)
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_temp_audio_files = []
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def extract_audio(video_path: Path):
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"""Extract audio from a video file into a temp directory for automatic cleanup."""
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try:
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audio = AudioFileClip(str(video_path))
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temp_dir = tempfile.mkdtemp(prefix="videotranscriber_")
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audio_path = Path(temp_dir) / f"{video_path.stem}_audio.wav"
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try:
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audio.write_audiofile(str(audio_path), logger=None)
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except TypeError:
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# moviepy 1.x uses verbose parameter; moviepy 2.x removed it
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audio.write_audiofile(str(audio_path), verbose=False, logger=None)
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audio.close()
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_temp_audio_files.append(str(audio_path))
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return audio_path
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except Exception as e:
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raise RuntimeError(f"Audio extraction failed: {e}")
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def cleanup_temp_audio():
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"""Remove all temporary audio files created during processing."""
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cleaned = 0
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for fpath in _temp_audio_files:
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try:
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if os.path.exists(fpath):
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os.remove(fpath)
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parent = os.path.dirname(fpath)
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if os.path.isdir(parent) and not os.listdir(parent):
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os.rmdir(parent)
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cleaned += 1
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except Exception as e:
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logger.warning(f"Could not remove temp file {fpath}: {e}")
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_temp_audio_files.clear()
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return cleaned
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def get_video_duration(video_path: Path):
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"""Get duration of a video/audio file in seconds."""
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try:
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clip = AudioFileClip(str(video_path))
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duration = clip.duration
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clip.close()
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return duration
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except Exception:
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return None
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