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fix: make YouTube subtitles nullable #2405

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fix: make YouTube subtitles nullable #2405

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fix: make YouTube subtitles nullable
Kraptor123 Jan 9, 2026
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Kraptor123 Jan 9, 2026
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24 changes: 14 additions & 10 deletions library/src/commonMain/kotlin/com/lagradost/cloudstream3/extractors/YoutubeExtractor.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -153,12 +153,16 @@ open class YoutubeExtractor : ExtractorApi() {
requestBody = jsonBody
).parsed<Root>()

for (caption in response.captions.playerCaptionsTracklistRenderer.captionTracks) {
subtitleCallback.invoke(
newSubtitleFile(
caption.name.simpleText,
"${caption.baseUrl}&fmt=ttml" // The default format is not supported
) { headers = HEADERS })
val captionTracks = response.captions?.playerCaptionsTracklistRenderer?.captionTracks

if (captionTracks != null) {
for (caption in captionTracks) {
subtitleCallback.invoke(
newSubtitleFile(
lang =caption.name.simpleText,
url ="${caption.baseUrl}&fmt=ttml" // The default format is not supported
) { headers = HEADERS })
}
}

val hlsUrl = response.streamingData.hlsManifestUrl
Expand Down Expand Up @@ -214,7 +218,7 @@ open class YoutubeExtractor : ExtractorApi() {
val streamingData: StreamingData,
// val playbackTracking: PlaybackTracking,
@JsonProperty("captions")
val captions: Captions,
val captions: Captions?,
// val videoDetails: VideoDetails,
// val annotations: List<Annotation>,
// val playerConfig: PlayerConfig,
Expand All @@ -240,12 +244,12 @@ open class YoutubeExtractor : ExtractorApi() {

private data class Captions(
@JsonProperty("playerCaptionsTracklistRenderer")
val playerCaptionsTracklistRenderer: PlayerCaptionsTracklistRenderer,
val playerCaptionsTracklistRenderer: PlayerCaptionsTracklistRenderer?,
)

private data class PlayerCaptionsTracklistRenderer(
@JsonProperty("captionTracks")
val captionTracks: List<CaptionTrack>,
val captionTracks: List<CaptionTrack>?,
//val audioTracks: List<AudioTrack>,
//val translationLanguages: List<TranslationLanguage>,
//@JsonProperty("defaultAudioTrackIndex")
Expand Down Expand Up @@ -276,4 +280,4 @@ open class YoutubeExtractor : ExtractorApi() {
// val audioTrackId: String,
// val captionsInitialState: String,
// )
}
}