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Better smart subtitles with no preferred audio language (#789)

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## Description
Another small fix to smart subtitle track selection to better handle the
cases where the user does not have a preferred audio language.

### Related issues
Addresses issue raises in
https://github.com/damontecres/Wholphin/issues/570#issuecomment-3714629517
This commit is contained in:
Ray 2026-01-28 13:56:33 -05:00 • committed by GitHub
parent 5975302fb9
commit f787e9ce1a
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GPG key ID: B5690EEEBB952194
2 changed files with 21 additions and 3 deletions
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8
app/src/main/java/com/github/damontecres/wholphin/services/StreamChoiceService.kt
View file

@ -276,10 +276,16 @@ class StreamChoiceService
SubtitlePlaybackMode.SMART -> {
if (subtitleLanguage.isNotNullOrBlank()) {
val audioLanguage = userConfig?.audioLanguagePreference
if (audioLanguage.isNullOrBlank() || audioLanguage != audioStreamLang) {
if (
// Has preferred subtitle lang & preferred audio, so only show subtitles if actual audio is different
(audioLanguage.isNotNullOrBlank() && audioLanguage != audioStreamLang) ||
// Has preferred subtitle lang, but no preferred audio lang, so show subtitle if subtitle lang is different from actual audio
(audioLanguage.isNullOrBlank() && subtitleLanguage != audioStreamLang)
) {
candidates.firstOrNull { it.language == subtitleLanguage }
?: candidates.firstOrNull { it.language.isUnknown }
} else {
// Otherwise, show forced subtitles in preferred lang
candidates.firstOrNull { it.isForced && it.language == subtitleLanguage }
?: candidates.firstOrNull { it.isForced && it.language.isUnknown }
}

16
app/src/test/java/com/github/damontecres/wholphin/test/TestStreamChoiceService.kt
View file

@ -355,7 +355,7 @@ class TestStreamChoiceServiceSmart(
userAudioLang = null,
),
TestInput(
1,
null,
SubtitlePlaybackMode.SMART,
subtitles =
listOf(
@ -367,6 +367,18 @@ class TestStreamChoiceServiceSmart(
userSubtitleLang = "eng",
userAudioLang = null,
),
TestInput(
null,
SubtitlePlaybackMode.SMART,
subtitles =
listOf(
subtitle(0, "eng"),
subtitle(1, "spa"),
),
streamAudioLang = "spa",
userSubtitleLang = "spa",
userAudioLang = null,
),
)
}
}
@ -498,7 +510,7 @@ class TestStreamChoiceServiceMultipleChoices(
),
),
TestInput(
2,
0,
SubtitlePlaybackMode.SMART,
subtitles =
listOf(