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feat: automatic audio language metadata for embedded audio tracks

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- Add intelligent embedded audio language detection at mux stage
- Automatically set audio language metadata when no separate audio tracks exist
- Respect user flags (-V, --no-audio) to avoid unnecessary processing
- Smart video track selection based on title language with fallbacks
- Improved default track selection to prioritize title language matches
- Enhanced FFmpeg repackaging with audio stream metadata injection
- Works automatically for all services without service-specific code
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Andy
2025-09-10 00:57:14 +00:00
parent d18a5de0d0
commit a82828768d
3 changed files with 83 additions and 13 deletions
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unshackle/commands/dl.py
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@@ -1147,8 +1147,9 @@ class dl:
with Live(Padding(progress, (0, 5, 1, 5)), console=console):
for task_id, task_tracks in multiplex_tasks:
progress.start_task(task_id) # TODO: Needed?
audio_expected = not video_only and not no_audio
muxed_path, return_code, errors = task_tracks.mux(
str(title), progress=partial(progress.update, task_id=task_id), delete=False
str(title), progress=partial(progress.update, task_id=task_id), delete=False, audio_expected=audio_expected, title_language=title.language
)
muxed_paths.append(muxed_path)
if return_code >= 2: