This error means no valid input file was actually selected/passed into the processing queue before clicking "Start". It is an input-validation failure, not a model or network issue.
Likely causes and fixes:
Path contains non-ASCII / special characters or spaces
Your software root dir is D:/nguyên liệu/ai phim/简介从此不候旧黄昏/win-pyvideotrans-v4.13 — it contains Vietnamese diacritics, Chinese characters, and spaces. This is explicitly discouraged and can break file selection/ffmpeg path handling.
- Move the whole software to a simple depth-1 English path, e.g.
D:/pyVideoTrans. - Rename your video file to plain ASCII (letters/digits/underscore), e.g.
D:/videos/001.mp4.
No file was selected in the "选择音频或视频" row
- Click the top-left button, pick at least one file (mp4/mkv/avi/mov/wav/mp3).
- If you used the "文件夹" option, confirm the folder actually contains supported media files.
File path too long / unsupported extension
- Deep nested paths (Windows ~260 char CMD limit) or unsupported extensions cause the selection to be dropped. Move the file to a short path root.
Recommended order: first move software to D:/pyVideoTrans, put a test file at D:/videos/001.mp4, re-launch and re-select. In the vast majority of cases this specific error resolves immediately.
If it still fails after the above, provide the latest log from the software directory logs/ folder (copy the last ~30 lines) for analysis.
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