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adds updateDataSources functions to thumbnail engine #25

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Merged
merged 2 commits into from
Jun 28, 2022
Merged

adds updateDataSources functions to thumbnail engine #25

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fb27158
adds updateDataSources functions to thumbnail engine
Jun 28, 2022
9ed6411
uses existing add and removeDataSource to simplify adding/removing
Jun 28, 2022
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14 changes: 14 additions & 0 deletions ...src/main/java/com/otaliastudios/transcoder/internal/thumbnails/DefaultThumbnailsEngine.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -240,6 +240,20 @@ class DefaultThumbnailsEngine(
tracks.updateTracksInfo()
}

override fun updateDataSources(dataSourcesNew: List<DataSource>) {
val currentVideoIds = dataSources.videoOrNull()?.map { it.mediaId() }
val newSourceIds = dataSourcesNew.map { it.mediaId() }.distinct()
val toAdd = newSourceIds - currentVideoIds
val toRemove = currentVideoIds?.minus(newSourceIds)
toAdd.forEach { id ->
val source = dataSourcesNew.first { it.mediaId() == id }
addDataSource(source)
}
toRemove?.forEach { id ->
removeDataSource(id)
}
}

override suspend fun queueThumbnails(list: List<ThumbnailRequest>) {

val map = list.groupBy { it.sourceId() }
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2 changes: 2 additions & 0 deletions lib/src/main/java/com/otaliastudios/transcoder/internal/thumbnails/ThumbnailsEngine.kt
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Expand Up @@ -18,6 +18,8 @@ abstract class ThumbnailsEngine {

abstract fun removeDataSource(dataSourceId: String)

abstract fun updateDataSources(dataSources: List<DataSource>)

abstract suspend fun queueThumbnails(list: List<ThumbnailRequest>)

abstract suspend fun removePosition(source: String, positionUs: Long)
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