replace first callbacks with mutablestate/shareflow
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32075dec73
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ea099253a1
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@ -30,7 +30,14 @@ import androidx.media3.exoplayer.source.MediaSource
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.flow.MutableSharedFlow
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.SharedFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.flow.asSharedFlow
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import kotlinx.coroutines.flow.update
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import kotlinx.coroutines.launch
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import net.newpipe.newplayer.model.UIModeState
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import net.newpipe.newplayer.utils.PlayList
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import kotlin.Exception
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@ -56,16 +63,13 @@ interface NewPlayer {
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var currentPosition: Long
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var fastSeekAmountSec: Int
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var playBackMode: PlayMode
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var playMode: PlayMode?
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var playMode : MutableStateFlow<PlayMode?>
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var playlist: PlayList
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// calbacks
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// callbacks
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interface Listener {
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fun playModeChange(playMode: PlayMode) {}
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fun onError(exception: Exception) {}
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}
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val errorFlow : SharedFlow<Exception>
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// methods
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fun prepare()
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@ -74,7 +78,6 @@ interface NewPlayer {
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fun addToPlaylist(item: String)
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fun playStream(item: String, playMode: PlayMode)
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fun playStream(item: String, streamVariant: String, playMode: PlayMode)
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fun addCallbackListener(listener: Listener?)
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data class Builder(val app: Application, val repository: MediaRepository) {
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private var mediaSourceFactory: MediaSource.Factory? = null
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@ -111,6 +114,9 @@ class NewPlayerImpl(
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override val repository: MediaRepository,
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) : NewPlayer {
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var mutableErrorFlow = MutableSharedFlow<Exception>()
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override val errorFlow = mutableErrorFlow.asSharedFlow()
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override val bufferedPercentage: Int
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get() = internalPlayer.bufferedPercentage
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override var currentPosition: Long
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@ -122,16 +128,9 @@ class NewPlayerImpl(
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override var fastSeekAmountSec: Int = 10
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override var playBackMode: PlayMode = PlayMode.EMBEDDED_VIDEO
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private var callbackListener: ArrayList<NewPlayer.Listener?> = ArrayList()
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private var playerScope = CoroutineScope(Dispatchers.Default + Job())
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override var playMode: PlayMode? = null
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set(value) {
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field = value
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if (field != null) {
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callbackListener.forEach { it?.playModeChange(field!!) }
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}
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}
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override var playMode = MutableStateFlow<PlayMode?>(null)
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override var playWhenReady: Boolean
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set(value) {
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@ -154,9 +153,7 @@ class NewPlayerImpl(
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if (newUri != null) {
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TODO("Implement handing new uri on fixed error")
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} else {
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callbackListener.forEach {
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it?.onError(error)
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}
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mutableErrorFlow.emit(error)
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}
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}
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}
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@ -204,7 +201,7 @@ class NewPlayerImpl(
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if (internalPlayer.playbackState == Player.STATE_IDLE) {
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internalPlayer.prepare()
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}
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this.playMode = playMode
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this.playMode.update { playMode }
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}
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private suspend fun toMediaItem(item: String, streamVariant: String): MediaItem {
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@ -232,13 +229,7 @@ class NewPlayerImpl(
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try {
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task()
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} catch (e: Exception) {
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callbackListener.forEach {
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it?.onError(e)
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mutableErrorFlow.emit(e)
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}
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}
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}
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override fun addCallbackListener(listener: NewPlayer.Listener?) {
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callbackListener.add(listener)
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}
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}
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@ -21,7 +21,9 @@
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package net.newpipe.newplayer.utils
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import androidx.media3.common.MediaMetadata
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import androidx.media3.common.Player
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import androidx.media3.common.Player.Listener
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// TODO: This is cool, but it might still contains all raceconditions since two actors are mutating the
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@ -32,6 +34,8 @@ import androidx.media3.common.Player
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// due to this reason some functions force the user to handle elements out of bounds exceptions.
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class PlayListIterator(
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val exoPlayer: Player,
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val fromIndex: Int,
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@ -83,6 +87,7 @@ class PlayList(val exoPlayer: Player, val fromIndex: Int = 0, val toIndex: Int =
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override val size: Int
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get() = minOf(exoPlayer.mediaItemCount, toIndex) - fromIndex
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// TODO: This contains a race condition. When the player might change the playlist while this function runns
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override fun contains(element: String): Boolean {
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for (i in fromIndex..minOf(exoPlayer.mediaItemCount, toIndex)) {
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try {
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@ -95,6 +100,7 @@ class PlayList(val exoPlayer: Player, val fromIndex: Int = 0, val toIndex: Int =
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return false
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}
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// TODO: This contains a race condition. When the player might change the playlist while this function runns
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override fun containsAll(elements: Collection<String>): Boolean {
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for (element in elements) {
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if (!this.contains(element)) {
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@ -106,10 +112,10 @@ class PlayList(val exoPlayer: Player, val fromIndex: Int = 0, val toIndex: Int =
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@Throws(IndexOutOfBoundsException::class)
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override fun get(index: Int) =
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if (index < fromIndex || toIndex < index)
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throw IndexOutOfBoundsException("Accessed playlist item outside of permitted Playlist ListWindow: $index")
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if (index < 0 || toIndex < index + fromIndex)
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throw IndexOutOfBoundsException("Accessed playlist item outside of permitted Playlist ListWindow: $index with [$fromIndex;$toIndex[")
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else
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exoPlayer.getMediaItemAt(index).mediaId
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exoPlayer.getMediaItemAt(index + fromIndex).mediaId
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override fun isEmpty() = exoPlayer.mediaItemCount == 0 || fromIndex == toIndex
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@ -127,20 +133,27 @@ class PlayList(val exoPlayer: Player, val fromIndex: Int = 0, val toIndex: Int =
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)
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override fun lastIndexOf(element: String): Int {
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var mediaItemCount = 0
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var newMediaItemCount = minOf(toIndex, exoPlayer.mediaItemCount)
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// this while loop is there to catch raceconditions
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while(mediaItemCount != newMediaItemCount) {
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mediaItemCount = newMediaItemCount
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for (i in minOf(toIndex, exoPlayer.mediaItemCount) downTo fromIndex) {
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try {
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if (exoPlayer.getMediaItemAt(i).mediaId == element) {
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return i - fromIndex
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}
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} catch (e: IndexOutOfBoundsException) {
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return -1
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} catch (_: IndexOutOfBoundsException) {}
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}
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newMediaItemCount = minOf(toIndex, exoPlayer.mediaItemCount)
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}
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return -1
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}
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override fun indexOf(element: String): Int {
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for (i in fromIndex.. minOf(toIndex, exoPlayer.mediaItemCount)) {
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for (i in fromIndex..minOf(toIndex, exoPlayer.mediaItemCount)) {
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try {
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if (exoPlayer.getMediaItemAt(i).mediaId == element) {
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return i - fromIndex
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@ -34,6 +34,7 @@ import androidx.media3.common.MediaItem
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import dagger.hilt.android.AndroidEntryPoint
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import net.newpipe.newplayer.ActivityBrainSlug
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import net.newpipe.newplayer.NewPlayer
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import net.newpipe.newplayer.PlayMode
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import net.newpipe.newplayer.VideoPlayerView
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import net.newpipe.newplayer.model.VideoPlayerViewModel
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import net.newpipe.newplayer.model.VideoPlayerViewModelImpl
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@ -63,7 +64,7 @@ class MainActivity : AppCompatActivity() {
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startStreamButton.setOnClickListener {
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newPlayer.playWhenReady = true
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newPlayer.setStream(MediaItem.fromUri(getString(R.string.ccc_6502_video)))
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newPlayer.playStream(getString(R.string.ccc_6502_video), PlayMode.EMBEDDED_VIDEO)
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}
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videoPlayerViewModel.newPlayer = newPlayer
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