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83 changes: 83 additions & 0 deletions
83
app/src/main/java/org/jellyfin/androidtv/ui/playback/overlay/CustomSeekProvider.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,21 +1,104 @@ | ||
| package org.jellyfin.androidtv.ui.playback.overlay | ||
|
|
||
| import android.content.Context | ||
| import androidx.core.graphics.drawable.toBitmap | ||
| import androidx.leanback.widget.PlaybackSeekDataProvider | ||
| import coil.ImageLoader | ||
| import coil.request.Disposable | ||
| import coil.request.ImageRequest | ||
| import coil.size.Size | ||
| import org.jellyfin.androidtv.util.coil.SubsetTransformation | ||
| import org.jellyfin.sdk.api.client.ApiClient | ||
| import org.jellyfin.sdk.api.client.extensions.trickplayApi | ||
| import org.jellyfin.sdk.api.client.util.AuthorizationHeaderBuilder | ||
| import org.jellyfin.sdk.model.serializer.toUUIDOrNull | ||
| import kotlin.math.ceil | ||
| import kotlin.math.min | ||
|
|
||
| class CustomSeekProvider( | ||
| private val videoPlayerAdapter: VideoPlayerAdapter, | ||
| private val imageLoader: ImageLoader, | ||
| private val api: ApiClient, | ||
| private val context: Context, | ||
| private val trickPlayEnabled: Boolean, | ||
| ) : PlaybackSeekDataProvider() { | ||
| companion object { | ||
| private const val SEEK_LENGTH = 10000L | ||
| } | ||
|
|
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| private val imageRequests = mutableMapOf<Int, Disposable>() | ||
|
|
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| override fun getSeekPositions(): LongArray { | ||
| if (!videoPlayerAdapter.canSeek()) return LongArray(0) | ||
|
|
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| val duration = videoPlayerAdapter.duration | ||
| val size = ceil(duration.toDouble() / SEEK_LENGTH.toDouble()).toInt() + 1 | ||
| return LongArray(size) { i -> min(i * SEEK_LENGTH, duration) } | ||
| } | ||
|
|
||
| override fun getThumbnail(index: Int, callback: ResultCallback) { | ||
| if (!trickPlayEnabled) return | ||
|
|
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| val currentRequest = imageRequests[index] | ||
| if (currentRequest?.isDisposed == false) currentRequest.dispose() | ||
|
|
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| val item = videoPlayerAdapter.currentlyPlayingItem | ||
| val mediaSource = videoPlayerAdapter.currentMediaSource | ||
| val mediaSourceId = mediaSource?.id?.toUUIDOrNull() | ||
| if (item == null || mediaSource == null || mediaSourceId == null) return | ||
|
|
||
| val trickPlayResolutions = item.trickplay?.get(mediaSource.id) | ||
| val trickPlayInfo = trickPlayResolutions?.values?.firstOrNull() | ||
| if (trickPlayInfo == null) return | ||
|
|
||
| val currentTimeMs = (index * SEEK_LENGTH).coerceIn(0, videoPlayerAdapter.duration) | ||
| val currentTile = currentTimeMs.floorDiv(trickPlayInfo.interval).toInt() | ||
|
|
||
| val tileSize = trickPlayInfo.tileWidth * trickPlayInfo.tileHeight | ||
| val tileOffset = currentTile % tileSize | ||
| val tileIndex = currentTile / tileSize | ||
|
|
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| val tileOffsetX = tileOffset % trickPlayInfo.tileWidth | ||
| val tileOffsetY = tileOffset / trickPlayInfo.tileWidth | ||
| val offsetX = tileOffsetX * trickPlayInfo.width | ||
| val offsetY = tileOffsetY * trickPlayInfo.height | ||
|
|
||
| val url = api.trickplayApi.getTrickplayTileImageUrl( | ||
| itemId = item.id, | ||
| width = trickPlayInfo.width, | ||
| index = tileIndex, | ||
| mediaSourceId = mediaSourceId, | ||
| ) | ||
|
|
||
| imageRequests[index] = imageLoader.enqueue(ImageRequest.Builder(context).apply { | ||
| data(url) | ||
| size(Size.ORIGINAL) | ||
| addHeader( | ||
| "Authorization", | ||
| AuthorizationHeaderBuilder.buildHeader( | ||
| api.clientInfo.name, | ||
| api.clientInfo.version, | ||
| api.deviceInfo.id, | ||
| api.deviceInfo.name, | ||
| api.accessToken | ||
| ) | ||
| ) | ||
|
|
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| transformations(SubsetTransformation(offsetX, offsetY, trickPlayInfo.width, trickPlayInfo.height)) | ||
|
|
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| target( | ||
| onSuccess = { result -> | ||
| val bitmap = result.current.toBitmap() | ||
| callback.onThumbnailLoaded(bitmap, index) | ||
| } | ||
| ) | ||
| }.build()) | ||
| } | ||
|
|
||
| override fun reset() { | ||
| for (request in imageRequests.values) { | ||
| if (!request.isDisposed) request.dispose() | ||
| } | ||
| imageRequests.clear() | ||
| } | ||
| } |
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19 changes: 19 additions & 0 deletions
19
app/src/main/java/org/jellyfin/androidtv/util/coil/SubsetTransformation.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| package org.jellyfin.androidtv.util.coil | ||
|
|
||
| import android.graphics.Bitmap | ||
| import coil.size.Size | ||
| import coil.transform.Transformation | ||
|
|
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| class SubsetTransformation( | ||
| private val x: Int, | ||
| private val y: Int, | ||
| private val width: Int, | ||
| private val height: Int, | ||
| ) : Transformation { | ||
| override val cacheKey: String = "$x,$y,$width,$height" | ||
|
|
||
| override suspend fun transform( | ||
| input: Bitmap, | ||
| size: Size, | ||
| ): Bitmap = Bitmap.createBitmap(input, x, y, width, height) | ||
| } |
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