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fix(dl): avoid selecting all variants when multiple audio codecs requested

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When --a-lang is specific (not best/all) and multiple codecs are requested via -a/--acodec, select only the best-bitrate track per codec per language (plus descriptive if --audio-description).

Blame: regression introduced by 939ca25 (fix(dl): keep descriptive and standard audio for requested langs).
This commit is contained in:
Andy
2026-02-07 19:37:48 -07:00
parent 6c83790834
commit d404f213b1
1 changed files with 47 additions and 15 deletions
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36
unshackle/commands/dl.py
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@@ -1484,7 +1484,36 @@ class dl:
selected_audio.append(max(base_candidates, key=lambda x: x.bitrate or 0)) selected_audio.append(max(base_candidates, key=lambda x: x.bitrate or 0))
title.tracks.audio = selected_audio title.tracks.audio = selected_audio
elif "all" not in processed_lang: elif "all" not in processed_lang:
per_language = 0 if acodec and len(acodec) > 1 else 1 # If multiple codecs were explicitly requested, pick the best track per codec per
# requested language instead of selecting *all* bitrate variants of a codec.
if acodec and len(acodec) > 1:
selected_audio: list[Audio] = []
for language in processed_lang:
for codec in acodec:
codec_tracks = [a for a in title.tracks.audio if a.codec == codec]
if not codec_tracks:
continue
candidates = title.tracks.by_language(
codec_tracks, [language], per_language=0, exact_match=exact_lang
)
if not candidates:
continue
if audio_description:
standards = [t for t in candidates if not t.descriptive]
if standards:
selected_audio.append(max(standards, key=lambda x: x.bitrate or 0))
descs = [t for t in candidates if t.descriptive]
if descs:
selected_audio.append(max(descs, key=lambda x: x.bitrate or 0))
else:
selected_audio.append(max(candidates, key=lambda x: x.bitrate or 0))
title.tracks.audio = selected_audio
else:
per_language = 1
if audio_description: if audio_description:
standard_audio = [a for a in title.tracks.audio if not a.descriptive] standard_audio = [a for a in title.tracks.audio if not a.descriptive]
selected_standards = title.tracks.by_language( selected_standards = title.tracks.by_language(
@@ -1498,7 +1527,10 @@ class dl:
title.tracks.audio = selected_standards + selected_descs title.tracks.audio = selected_standards + selected_descs
else: else:
title.tracks.audio = title.tracks.by_language( title.tracks.audio = title.tracks.by_language(
title.tracks.audio, processed_lang, per_language=per_language, exact_match=exact_lang title.tracks.audio,
processed_lang,
per_language=per_language,
exact_match=exact_lang,
) )
if not title.tracks.audio: if not title.tracks.audio:
self.log.error(f"There's no {processed_lang} Audio Track, cannot continue...") self.log.error(f"There's no {processed_lang} Audio Track, cannot continue...")