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tzugen 2021-08-28 00:02:50 +02:00
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269
ultrasonic/src/main/java/org/moire/ultrasonic/service/Downloader.kt
View File

@ -1,21 +1,21 @@
package org.moire.ultrasonic.service
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject
import org.moire.ultrasonic.domain.MusicDirectory
import org.moire.ultrasonic.util.Util.isExternalStoragePresent
import org.moire.ultrasonic.util.Util.isNetworkConnected
import org.moire.ultrasonic.util.Util.getPreloadCount
import org.moire.ultrasonic.util.Util.getMaxSongs
import org.moire.ultrasonic.util.ShufflePlayBuffer
import timber.log.Timber
import org.moire.ultrasonic.domain.PlayerState
import org.moire.ultrasonic.util.LRUCache
import java.util.ArrayList
import java.util.PriorityQueue
import java.util.concurrent.Executors
import java.util.concurrent.ScheduledExecutorService
import java.util.concurrent.TimeUnit
import org.koin.core.component.KoinComponent
import org.koin.core.component.inject
import org.moire.ultrasonic.domain.MusicDirectory
import org.moire.ultrasonic.domain.PlayerState
import org.moire.ultrasonic.util.LRUCache
import org.moire.ultrasonic.util.ShufflePlayBuffer
import org.moire.ultrasonic.util.Util.getMaxSongs
import org.moire.ultrasonic.util.Util.getPreloadCount
import org.moire.ultrasonic.util.Util.isExternalStoragePresent
import org.moire.ultrasonic.util.Util.isNetworkConnected
import timber.log.Timber
/**
* This class is responsible for maintaining the playlist and downloading
@ -25,17 +25,18 @@ class Downloader(
private val shufflePlayBuffer: ShufflePlayBuffer,
private val externalStorageMonitor: ExternalStorageMonitor,
private val localMediaPlayer: LocalMediaPlayer
): KoinComponent {
val playList: MutableList<DownloadFile> = ArrayList()
) : KoinComponent {
val playlist: MutableList<DownloadFile> = ArrayList()
private val downloadQueue: PriorityQueue<DownloadFile> = PriorityQueue<DownloadFile>()
private val activelyDownloading: MutableList<DownloadFile> = ArrayList()
private val jukeboxMediaPlayer: JukeboxMediaPlayer by inject()
private val downloadFileCache = LRUCache<MusicDirectory.Entry, DownloadFile>(100)
private var executorService: ScheduledExecutorService? = null
var downloadListUpdateRevision: Long = 0
var playlistUpdateRevision: Long = 0
private set
val downloadChecker = Runnable {
@ -49,7 +50,9 @@ class Downloader(
fun onCreate() {
executorService = Executors.newSingleThreadScheduledExecutor()
executorService!!.scheduleWithFixedDelay(downloadChecker, 5, 5, TimeUnit.SECONDS)
executorService!!.scheduleWithFixedDelay(
downloadChecker, CHECK_INTERVAL, CHECK_INTERVAL, TimeUnit.SECONDS
)
Timber.i("Downloader created")
}
@ -81,7 +84,47 @@ class Downloader(
return
}
// Check the active downloads for failures or completions
// Check the active downloads for failures or completions and remove them
cleanupActiveDownloads()
// Check if need to preload more from playlist
val preloadCount = getPreloadCount()
// Start preloading at the current playing song
var start = currentPlayingIndex
if (start == -1) start = 0
val end = (start + preloadCount).coerceAtMost(playlist.size)
for (i in start until end) {
val download = playlist[i]
// Set correct priority (the lower the number, the higher the priority)
download.priority = i
// Add file to queue if not in one of the queues already.
if (!download.isWorkDone &&
!activelyDownloading.contains(download) &&
!downloadQueue.contains(download)
) {
downloadQueue.add(download)
}
}
// Fill up active List with waiting tasks
while (activelyDownloading.size < PARALLEL_DOWNLOADS && downloadQueue.size > 0) {
val task = downloadQueue.remove()
activelyDownloading.add(task)
task.download()
// The next file on the playlist is currently downloading
if (playlist.indexOf(task) == 1) {
localMediaPlayer.setNextPlayerState(PlayerState.DOWNLOADING)
}
}
}
private fun cleanupActiveDownloads() {
activelyDownloading.retainAll {
when {
it.isDownloading -> true
@ -96,138 +139,17 @@ class Downloader(
}
}
}
// Check if need to preload more from playlist
val preloadCount = getPreloadCount()
// Start preloading at the current playing song
var start = if (localMediaPlayer.currentPlaying == null) 0 else currentPlayingIndex
if (start == -1) start = 0
var end = (start + preloadCount).coerceAtMost(playList.size)
// Playlist also contains played songs!!!!
for (i in start until end) {
val download = playList[i]
// Set correct priority (the lower the number, the higher the priority)
download.priority = i
// Add file to queue if not in one of the queues already.
if (!download.isWorkDone && !activelyDownloading.contains(download) && !downloadQueue.contains(download)) {
downloadQueue.add(download)
}
}
// Fill up active List with waiting tasks
while (activelyDownloading.size < PARALLEL_DOWNLOADS && downloadQueue.size > 0 ) {
val task = downloadQueue.remove()
activelyDownloading.add(task)
task.download()
// The next file on the playlist is currently downloading
// TODO: really necessary?
if (playList.indexOf(task) == 1) {
localMediaPlayer.setNextPlayerState(PlayerState.DOWNLOADING)
}
}
}
// fun oldStuff() {
// // Need to download current playing?
// if (localMediaPlayer.currentPlaying != null && localMediaPlayer.currentPlaying != currentDownloading && !localMediaPlayer.currentPlaying!!.isWorkDone) {
// // Cancel current download, if necessary.
// if (currentDownloading != null) {
// currentDownloading!!.cancelDownload()
// }
// currentDownloading = localMediaPlayer.currentPlaying
// currentDownloading!!.download()
// cleanupCandidates.add(currentDownloading)
//
// // Delete obsolete .partial and .complete files.
// cleanup()
// return
// }
//
// // Find a suitable target for download.
// if (currentDownloading != null &&
// !currentDownloading!!.isWorkDone &&
// (!currentDownloading!!.isFailed || playList.isEmpty() && backgroundDownloadList.isEmpty())
// ) {
// cleanup()
// return
// }
//
// // There is a target to download
// currentDownloading = null
// val n = playList.size
// var preloaded = 0
// if (n != 0) {
// var start = if (localMediaPlayer.currentPlaying == null) 0 else currentPlayingIndex
// if (start == -1) start = 0
// var i = start
// // Check all DownloadFiles on the playlist
// do {
// val downloadFile = playList[i]
// if (!downloadFile.isWorkDone) {
// if (downloadFile.shouldSave() || preloaded < getPreloadCount()) {
// currentDownloading = downloadFile
// currentDownloading!!.download()
// cleanupCandidates.add(currentDownloading)
// if (i == start + 1) {
// // The next file on the playlist is currently downloading
// localMediaPlayer.setNextPlayerState(PlayerState.DOWNLOADING)
// }
// break
// }
// } else if (localMediaPlayer.currentPlaying != downloadFile) {
// preloaded++
// }
// i = (i + 1) % n
// } while (i != start)
// }
//
// // If the downloadList contains no work, check the backgroundDownloadList
// if ((preloaded + 1 == n || preloaded >= getPreloadCount() || playList.isEmpty()) && backgroundDownloadList.isNotEmpty()) {
// var i = 0
// while (i < backgroundDownloadList.size) {
// val downloadFile = backgroundDownloadList[i]
// if (downloadFile.isWorkDone && (!downloadFile.shouldSave() || downloadFile.isSaved)) {
// scanMedia(downloadFile.completeFile)
//
// // Don't need to keep list like active song list
// backgroundDownloadList.removeAt(i)
// downloadListUpdateRevision++
// i--
// } else if (downloadFile.isFailed && !downloadFile.shouldRetry()) {
// // Don't continue to attempt to download forever
// backgroundDownloadList.removeAt(i)
// downloadListUpdateRevision++
// i--
// } else {
// currentDownloading = downloadFile
// currentDownloading!!.download()
// cleanupCandidates.add(currentDownloading)
// break
// }
// i++
// }
// }
//
// }
@get:Synchronized
val currentPlayingIndex: Int
get() = playList.indexOf(localMediaPlayer.currentPlaying)
get() = playlist.indexOf(localMediaPlayer.currentPlaying)
@get:Synchronized
val downloadListDuration: Long
get() {
var totalDuration: Long = 0
for (downloadFile in playList) {
for (downloadFile in playlist) {
val song = downloadFile.song
if (!song.isDirectory) {
if (song.artist != null) {
@ -244,7 +166,7 @@ class Downloader(
val downloads: List<DownloadFile?>
get() {
val temp: MutableList<DownloadFile?> = ArrayList()
temp.addAll(playList)
temp.addAll(playlist)
temp.addAll(activelyDownloading)
temp.addAll(downloadQueue)
return temp.distinct()
@ -252,7 +174,7 @@ class Downloader(
@Synchronized
fun clearPlaylist() {
playList.clear()
playlist.clear()
// Cancel all active downloads with a high priority
for (download in activelyDownloading) {
@ -260,7 +182,7 @@ class Downloader(
download.cancelDownload()
}
downloadListUpdateRevision++
playlistUpdateRevision++
}
@Synchronized
@ -273,8 +195,6 @@ class Downloader(
if (download.priority >= 100)
download.cancelDownload()
}
downloadListUpdateRevision++
}
@Synchronized
@ -290,8 +210,8 @@ class Downloader(
if (activelyDownloading.contains(downloadFile)) {
downloadFile.cancelDownload()
}
playList.remove(downloadFile)
downloadListUpdateRevision++
playlist.remove(downloadFile)
playlistUpdateRevision++
}
@Synchronized
@ -308,7 +228,7 @@ class Downloader(
return
}
if (newPlaylist) {
playList.clear()
playlist.clear()
}
if (playNext) {
if (autoPlay && currentPlayingIndex >= 0) {
@ -316,17 +236,17 @@ class Downloader(
}
for (song in songs) {
val downloadFile = DownloadFile(song!!, save)
playList.add(currentPlayingIndex + offset, downloadFile)
playlist.add(currentPlayingIndex + offset, downloadFile)
offset++
}
} else {
for (song in songs) {
val downloadFile = DownloadFile(song!!, save)
playList.add(downloadFile)
playlist.add(downloadFile)
}
}
downloadListUpdateRevision++
//checkDownloads()
playlistUpdateRevision++
checkDownloads()
}
@Synchronized
@ -338,26 +258,26 @@ class Downloader(
downloadQueue.add(DownloadFile(song, save))
}
downloadListUpdateRevision++
//checkDownloads()
checkDownloads()
}
@Synchronized
fun shuffle() {
playList.shuffle()
playlist.shuffle()
// Move the current song to the top..
if (localMediaPlayer.currentPlaying != null) {
playList.remove(localMediaPlayer.currentPlaying)
playList.add(0, localMediaPlayer.currentPlaying!!)
playlist.remove(localMediaPlayer.currentPlaying)
playlist.add(0, localMediaPlayer.currentPlaying!!)
}
downloadListUpdateRevision++
playlistUpdateRevision++
}
@Synchronized
@Suppress("ReturnCount")
fun getDownloadFileForSong(song: MusicDirectory.Entry): DownloadFile {
for (downloadFile in playList) {
for (downloadFile in playlist) {
if (downloadFile.song == song) {
return downloadFile
}
@ -380,49 +300,50 @@ class Downloader(
return downloadFile
}
@Synchronized
private fun checkShufflePlay() {
// Get users desired random playlist size
val listSize = getMaxSongs()
val wasEmpty = playList.isEmpty()
val revisionBefore = downloadListUpdateRevision
val wasEmpty = playlist.isEmpty()
val revisionBefore = playlistUpdateRevision
// First, ensure that list is at least 20 songs long.
val size = playList.size
val size = playlist.size
if (size < listSize) {
for (song in shufflePlayBuffer[listSize - size]) {
val downloadFile = DownloadFile(song, false)
playList.add(downloadFile)
downloadListUpdateRevision++
playlist.add(downloadFile)
playlistUpdateRevision++
}
}
val currIndex = if (localMediaPlayer.currentPlaying == null) 0 else currentPlayingIndex
// Only shift playlist if playing song #5 or later.
if (currIndex > 4) {
if (currIndex > SHUFFLE_BUFFER_LIMIT) {
val songsToShift = currIndex - 2
for (song in shufflePlayBuffer[songsToShift]) {
playList.add(DownloadFile(song, false))
playList[0].cancelDownload()
playList.removeAt(0)
downloadListUpdateRevision++
playlist.add(DownloadFile(song, false))
playlist[0].cancelDownload()
playlist.removeAt(0)
playlistUpdateRevision++
}
}
if (revisionBefore != downloadListUpdateRevision) {
if (revisionBefore != playlistUpdateRevision) {
jukeboxMediaPlayer.updatePlaylist()
}
if (wasEmpty && playList.isNotEmpty()) {
if (wasEmpty && playlist.isNotEmpty()) {
if (jukeboxMediaPlayer.isEnabled) {
jukeboxMediaPlayer.skip(0, 0)
localMediaPlayer.setPlayerState(PlayerState.STARTED)
} else {
localMediaPlayer.play(playList[0])
localMediaPlayer.play(playlist[0])
}
}
}
companion object {
const val PARALLEL_DOWNLOADS = 3
const val CHECK_INTERVAL = 5L
const val SHUFFLE_BUFFER_LIMIT = 4
}
}

32
ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaPlayerController.kt
View File

@ -180,7 +180,7 @@ class MediaPlayerController(
downloader.addToPlaylist(filteredSongs, save, autoPlay, playNext, newPlaylist)
jukeboxMediaPlayer.updatePlaylist()
if (shuffle) shuffle()
val isLastTrack = (downloader.playList.size - 1 == downloader.currentPlayingIndex)
val isLastTrack = (downloader.playlist.size - 1 == downloader.currentPlayingIndex)
if (!playNext && !autoPlay && isLastTrack) {
val mediaPlayerService = runningInstance
@ -190,15 +190,15 @@ class MediaPlayerController(
if (autoPlay) {
play(0)
} else {
if (localMediaPlayer.currentPlaying == null && downloader.playList.size > 0) {
localMediaPlayer.currentPlaying = downloader.playList[0]
downloader.playList[0].setPlaying(true)
if (localMediaPlayer.currentPlaying == null && downloader.playlist.size > 0) {
localMediaPlayer.currentPlaying = downloader.playlist[0]
downloader.playlist[0].setPlaying(true)
}
downloader.checkDownloads()
}
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
playerPosition
)
@ -210,7 +210,7 @@ class MediaPlayerController(
val filteredSongs = songs.filterNotNull()
downloader.downloadBackground(filteredSongs, save)
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
playerPosition
)
@ -241,7 +241,7 @@ class MediaPlayerController(
fun shuffle() {
downloader.shuffle()
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
playerPosition
)
@ -274,7 +274,7 @@ class MediaPlayerController(
downloader.clearPlaylist()
if (serialize) {
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex, playerPosition
)
}
@ -285,7 +285,7 @@ class MediaPlayerController(
@Synchronized
fun clearIncomplete() {
reset()
val iterator = downloader.playList.iterator()
val iterator = downloader.playlist.iterator()
while (iterator.hasNext()) {
val downloadFile = iterator.next()
if (!downloadFile.isCompleteFileAvailable) {
@ -294,7 +294,7 @@ class MediaPlayerController(
}
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
playerPosition
)
@ -311,7 +311,7 @@ class MediaPlayerController(
downloader.removeFromPlaylist(downloadFile)
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
playerPosition
)
@ -363,12 +363,12 @@ class MediaPlayerController(
when (repeatMode) {
RepeatMode.SINGLE, RepeatMode.OFF -> {
// Play next if exists
if (index + 1 >= 0 && index + 1 < downloader.playList.size) {
if (index + 1 >= 0 && index + 1 < downloader.playlist.size) {
play(index + 1)
}
}
RepeatMode.ALL -> {
play((index + 1) % downloader.playList.size)
play((index + 1) % downloader.playlist.size)
}
else -> {
}
@ -495,16 +495,16 @@ class MediaPlayerController(
}
val playlistSize: Int
get() = downloader.playList.size
get() = downloader.playlist.size
val currentPlayingNumberOnPlaylist: Int
get() = downloader.currentPlayingIndex
val playList: List<DownloadFile>
get() = downloader.playList
get() = downloader.playlist
val playListUpdateRevision: Long
get() = downloader.downloadListUpdateRevision
get() = downloader.playlistUpdateRevision
val playListDuration: Long
get() = downloader.downloadListDuration

4
ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaPlayerLifecycleSupport.kt
View File

@ -76,7 +76,7 @@ class MediaPlayerLifecycleSupport : KoinComponent {
// Work-around: Serialize again, as the restore() method creates a
// serialization without current playing info.
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
mediaPlayerController.playerPosition
)
@ -94,7 +94,7 @@ class MediaPlayerLifecycleSupport : KoinComponent {
if (!created) return
downloadQueueSerializer.serializeDownloadQueueNow(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
mediaPlayerController.playerPosition
)

28
ultrasonic/src/main/kotlin/org/moire/ultrasonic/service/MediaPlayerService.kt
View File

@ -88,7 +88,7 @@ class MediaPlayerService : Service() {
localMediaPlayer.onPrepared = {
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex,
playerPosition
)
@ -189,7 +189,7 @@ class MediaPlayerService : Service() {
@Synchronized
fun setCurrentPlaying(currentPlayingIndex: Int) {
try {
localMediaPlayer.setCurrentPlaying(downloader.playList[currentPlayingIndex])
localMediaPlayer.setCurrentPlaying(downloader.playlist[currentPlayingIndex])
} catch (ignored: IndexOutOfBoundsException) {
}
}
@ -208,7 +208,7 @@ class MediaPlayerService : Service() {
if (index != -1) {
when (repeatMode) {
RepeatMode.OFF -> index += 1
RepeatMode.ALL -> index = (index + 1) % downloader.playList.size
RepeatMode.ALL -> index = (index + 1) % downloader.playlist.size
RepeatMode.SINGLE -> {
}
else -> {
@ -217,8 +217,8 @@ class MediaPlayerService : Service() {
}
localMediaPlayer.clearNextPlaying(false)
if (index < downloader.playList.size && index != -1) {
localMediaPlayer.setNextPlaying(downloader.playList[index])
if (index < downloader.playlist.size && index != -1) {
localMediaPlayer.setNextPlaying(downloader.playlist[index])
} else {
localMediaPlayer.clearNextPlaying(true)
}
@ -271,7 +271,7 @@ class MediaPlayerService : Service() {
@Synchronized
fun play(index: Int, start: Boolean) {
Timber.v("play requested for %d", index)
if (index < 0 || index >= downloader.playList.size) {
if (index < 0 || index >= downloader.playlist.size) {
resetPlayback()
} else {
setCurrentPlaying(index)
@ -280,7 +280,7 @@ class MediaPlayerService : Service() {
jukeboxMediaPlayer.skip(index, 0)
localMediaPlayer.setPlayerState(PlayerState.STARTED)
} else {
localMediaPlayer.play(downloader.playList[index])
localMediaPlayer.play(downloader.playlist[index])
}
}
downloader.checkDownloads()
@ -293,7 +293,7 @@ class MediaPlayerService : Service() {
localMediaPlayer.reset()
localMediaPlayer.setCurrentPlaying(null)
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex, playerPosition
)
}
@ -395,7 +395,7 @@ class MediaPlayerService : Service() {
if (playerState === PlayerState.PAUSED) {
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList, downloader.currentPlayingIndex, playerPosition
downloader.playlist, downloader.currentPlayingIndex, playerPosition
)
}
@ -408,8 +408,8 @@ class MediaPlayerService : Service() {
Util.broadcastPlaybackStatusChange(context, playerState)
Util.broadcastA2dpPlayStatusChange(
context, playerState, song,
downloader.playList.size,
downloader.playList.indexOf(currentPlaying) + 1, playerPosition
downloader.playlist.size,
downloader.playlist.indexOf(currentPlaying) + 1, playerPosition
)
// Update widget
@ -455,7 +455,7 @@ class MediaPlayerService : Service() {
if (index != -1) {
when (repeatMode) {
RepeatMode.OFF -> {
if (index + 1 < 0 || index + 1 >= downloader.playList.size) {
if (index + 1 < 0 || index + 1 >= downloader.playlist.size) {
if (Util.getShouldClearPlaylist()) {
clear(true)
jukeboxMediaPlayer.updatePlaylist()
@ -466,7 +466,7 @@ class MediaPlayerService : Service() {
}
}
RepeatMode.ALL -> {
play((index + 1) % downloader.playList.size)
play((index + 1) % downloader.playlist.size)
}
RepeatMode.SINGLE -> play(index)
else -> {
@ -485,7 +485,7 @@ class MediaPlayerService : Service() {
setNextPlaying()
if (serialize) {
downloadQueueSerializer.serializeDownloadQueue(
downloader.playList,
downloader.playlist,
downloader.currentPlayingIndex, playerPosition
)
}