430 lines
No EOL
14 KiB
Kotlin
430 lines
No EOL
14 KiB
Kotlin
/* NewPlayer
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*
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* @author Christian Schabesberger
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*
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* Copyright (C) NewPipe e.V. 2024 <code(at)newpipe-ev.de>
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*
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* NewPlayer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* NewPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NewPlayer. If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.newpipe.newplayer.model
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import android.app.Application
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import android.content.Context.AUDIO_SERVICE
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import android.media.AudioManager
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import android.os.Build
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import android.os.Bundle
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import android.util.Log
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import androidx.annotation.RequiresApi
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import androidx.core.content.ContextCompat
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import androidx.core.content.ContextCompat.getSystemService
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import androidx.lifecycle.AndroidViewModel
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import androidx.lifecycle.SavedStateHandle
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import androidx.lifecycle.viewModelScope
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import androidx.media3.common.Player
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import dagger.hilt.android.lifecycle.HiltViewModel
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import kotlinx.coroutines.Job
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import kotlinx.coroutines.delay
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import kotlinx.coroutines.flow.MutableStateFlow
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import javax.inject.Inject
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import kotlinx.coroutines.flow.asStateFlow
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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.utils.VideoSize
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import net.newpipe.newplayer.NewPlayer
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import net.newpipe.newplayer.ui.ContentScale
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import kotlin.math.max
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val VIDEOPLAYER_UI_STATE = "video_player_ui_state"
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private const val TAG = "VideoPlayerViewModel"
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@HiltViewModel
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class VideoPlayerViewModelImpl @Inject constructor(
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private val savedStateHandle: SavedStateHandle,
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application: Application,
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) : AndroidViewModel(application), VideoPlayerViewModel {
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// private
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private val mutableUiState = MutableStateFlow(VideoPlayerUIState.DEFAULT)
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private var currentContentRatio = 1F
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private var uiVisibilityJob: Job? = null
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private var progressUpdaterJob: Job? = null
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private val audioManager =
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getSystemService(application.applicationContext, AudioManager::class.java)!!
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var callbackListeners: MutableList<VideoPlayerViewModel.Listener?> = ArrayList()
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init {
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val soundVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC).toFloat() /
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audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC).toFloat()
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mutableUiState.update {
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it.copy(soundVolume = soundVolume)
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}
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}
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//interface
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override var newPlayer: NewPlayer? = null
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set(value) {
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field = value
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installExoPlayer()
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}
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override val uiState = mutableUiState.asStateFlow()
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override val internalPlayer: Player?
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get() = newPlayer?.internal_player
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override var minContentRatio: Float = 4F / 3F
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set(value) {
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if (value <= 0 || maxContentRatio < value) Log.e(
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TAG,
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"Ignoring maxContentRatio: It must not be 0 or less and it may not be bigger then mmaxContentRatio. It was Set to: $value"
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)
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else {
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field = value
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mutableUiState.update { it.copy(embeddedUiRatio = getEmbeddedUiRatio()) }
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}
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}
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override var maxContentRatio: Float = 16F / 9F
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set(value) {
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if (value <= 0 || value < minContentRatio) Log.e(
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TAG,
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"Ignoring maxContentRatio: It must not be 0 or less and it may not be smaller then minContentRatio. It was Set to: $value"
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)
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else {
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field = value
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mutableUiState.update { it.copy(embeddedUiRatio = getEmbeddedUiRatio()) }
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}
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}
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override var contentFitMode: ContentScale
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get() = mutableUiState.value.contentFitMode
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set(value) {
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mutableUiState.update {
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it.copy(contentFitMode = value)
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}
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}
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private fun installExoPlayer() {
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internalPlayer?.let { player ->
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Log.d(TAG, "Install player: ${player.videoSize.width}")
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player.addListener(object : Player.Listener {
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override fun onIsPlayingChanged(isPlaying: Boolean) {
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super.onIsPlayingChanged(isPlaying)
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Log.d(TAG, "Playing state changed. Is Playing: $isPlaying")
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mutableUiState.update {
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it.copy(playing = isPlaying)
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}
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}
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override fun onVideoSizeChanged(videoSize: androidx.media3.common.VideoSize) {
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super.onVideoSizeChanged(videoSize)
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updateContentRatio(VideoSize.fromMedia3VideoSize(videoSize))
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}
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override fun onIsLoadingChanged(isLoading: Boolean) {
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super.onIsLoadingChanged(isLoading)
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mutableUiState.update {
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it.copy(isLoading = isLoading)
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}
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Log.i(
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TAG, if (isLoading) "Player started loading" else "Player finished loading"
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)
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}
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})
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}
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}
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fun updateContentRatio(videoSize: VideoSize) {
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val newRatio = videoSize.getRatio()
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val ratio = if (newRatio.isNaN()) currentContentRatio else newRatio
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currentContentRatio = ratio
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Log.d(TAG, "Update Content ratio: $ratio")
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mutableUiState.update {
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it.copy(
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contentRatio = currentContentRatio, embeddedUiRatio = getEmbeddedUiRatio()
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)
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}
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}
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override fun onCleared() {
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super.onCleared()
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Log.d(TAG, "viewmodel cleared")
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}
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@RequiresApi(Build.VERSION_CODES.TIRAMISU)
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override fun initUIState(instanceState: Bundle) {
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val uiState =
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) instanceState.getParcelable(
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VIDEOPLAYER_UI_STATE, VideoPlayerUIState::class.java
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)
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else instanceState.getParcelable(VIDEOPLAYER_UI_STATE)
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uiState?.let { uiState ->
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mutableUiState.update {
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uiState
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}
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}
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}
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override fun addCallbackListener(listener: VideoPlayerViewModel.Listener) {
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callbackListeners.add(listener)
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}
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override fun play() {
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hideUi()
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newPlayer?.play()
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}
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override fun pause() {
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uiVisibilityJob?.cancel()
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newPlayer?.pause()
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}
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override fun prevStream() {
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resetHideUiDelayedJob()
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Log.e(TAG, "imeplement prev stream")
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}
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override fun nextStream() {
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resetHideUiDelayedJob()
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Log.e(TAG, "implement next stream")
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}
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override fun showUi() {
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mutableUiState.update {
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it.copy(uiVissible = true)
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}
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resetHideUiDelayedJob()
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resetProgressUpdatePeriodicallyJob()
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}
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private fun resetHideUiDelayedJob() {
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uiVisibilityJob?.cancel()
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uiVisibilityJob = viewModelScope.launch {
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delay(4000)
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hideUi()
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}
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}
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private fun resetProgressUpdatePeriodicallyJob() {
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progressUpdaterJob?.cancel()
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progressUpdaterJob = viewModelScope.launch {
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while (true) {
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updateProgressOnce()
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delay(1000)
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}
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}
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}
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private fun updateProgressOnce() {
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val progress = internalPlayer?.currentPosition ?: 0
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val duration = internalPlayer?.duration ?: 1
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val bufferedPercentage = (internalPlayer?.bufferedPercentage?.toFloat() ?: 0f) / 100f
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val progressPercentage = progress.toFloat() / duration.toFloat()
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mutableUiState.update {
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it.copy(
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seekerPosition = progressPercentage,
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durationInMs = duration,
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playbackPositionInMs = progress,
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bufferedPercentage = bufferedPercentage
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)
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}
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}
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override fun hideUi() {
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progressUpdaterJob?.cancel()
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uiVisibilityJob?.cancel()
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mutableUiState.update {
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it.copy(uiVissible = false)
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}
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}
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override fun seekPositionChanged(newValue: Float) {
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uiVisibilityJob?.cancel()
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mutableUiState.update { it.copy(seekerPosition = newValue) }
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}
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override fun seekingFinished() {
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resetHideUiDelayedJob()
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val seekerPosition = mutableUiState.value.seekerPosition
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val seekPositionInMs = (internalPlayer?.duration?.toFloat() ?: 0F) * seekerPosition
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newPlayer?.currentPosition = seekPositionInMs.toLong()
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Log.i(TAG, "Seek to Ms: $seekPositionInMs")
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}
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override fun embeddedDraggedDown(offset: Float) {
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callbackListeners.forEach { it?.embeddedPlayerDraggedDown(offset) }
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}
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override fun fastSeek(count: Int) {
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mutableUiState.update {
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it.copy(
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fastseekSeconds = count * (newPlayer?.fastSeekAmountSec ?: 10)
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)
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}
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if (mutableUiState.value.uiVisible) {
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resetHideUiDelayedJob()
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}
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}
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override fun finishFastSeek() {
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val fastSeekAmount = mutableUiState.value.fastseekSeconds
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if (fastSeekAmount != 0) {
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Log.d(TAG, "$fastSeekAmount")
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newPlayer?.currentPosition = (newPlayer?.currentPosition ?: 0) + (fastSeekAmount * 1000)
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mutableUiState.update {
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it.copy(fastseekSeconds = 0)
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}
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}
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}
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override fun brightnesChange(changeRate: Float, currentValue: Float) {
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TODO("Not yet implemented")
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}
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override fun volumeChange(changeRate: Float) {
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val currentVolume = mutableUiState.value.soundVolume
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val maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC).toFloat()
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// we multiply changeRate by 1.5 so your finger only has to swipe a portion of the whole
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// screen in order to fully enable or disable the volume
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val newVolume = (currentVolume + changeRate * 1.5f).coerceIn(0f, 1f)
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audioManager.setStreamVolume(
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AudioManager.STREAM_MUSIC, (newVolume * maxVolume).toInt(), 0
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)
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println("Blub: currentVolume: $currentVolume, changeRate: $changeRate, maxVolume: $maxVolume, newvolume: $newVolume")
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mutableUiState.update {
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it.copy(soundVolume = newVolume)
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}
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}
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override fun switchToEmbeddedView() {
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callbackListeners.forEach { it?.onFullscreenToggle(false) }
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uiVisibilityJob?.cancel()
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finishFastSeek()
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mutableUiState.update {
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it.copy(fullscreen = false, uiVissible = false)
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}
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}
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override fun switchToFullscreen() {
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callbackListeners.forEach { it?.onFullscreenToggle(true) }
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uiVisibilityJob?.cancel()
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finishFastSeek()
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mutableUiState.update {
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it.copy(fullscreen = true, uiVissible = false)
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}
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}
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private fun getEmbeddedUiRatio() = internalPlayer?.let { player ->
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val videoRatio = VideoSize.fromMedia3VideoSize(player.videoSize).getRatio()
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return (if (videoRatio.isNaN()) currentContentRatio
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else videoRatio).coerceIn(minContentRatio, maxContentRatio)
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} ?: minContentRatio
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companion object {
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val dummy = object : VideoPlayerViewModel {
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override var newPlayer: NewPlayer? = null
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override val internalPlayer: Player? = null
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override val uiState = MutableStateFlow(VideoPlayerUIState.DEFAULT)
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override var minContentRatio = 4F / 3F
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override var maxContentRatio = 16F / 9F
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override var contentFitMode = ContentScale.FIT_INSIDE
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override fun initUIState(instanceState: Bundle) {
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println("dummy impl")
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}
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override fun addCallbackListener(listener: VideoPlayerViewModel.Listener) {
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println("dummy impl")
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}
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override fun play() {
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println("dummy impl")
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}
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override fun switchToEmbeddedView() {
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println("dummy impl")
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}
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override fun switchToFullscreen() {
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println("dummy impl")
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}
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override fun showUi() {
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println("dummy impl")
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}
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override fun hideUi() {
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println("dummy impl")
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}
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override fun seekPositionChanged(newValue: Float) {
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println("dymmy seekPositionChanged: newValue: ${newValue}")
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}
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override fun seekingFinished() {
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println("dummy impl")
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}
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override fun embeddedDraggedDown(offset: Float) {
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println("dymmy embeddedDraggedDown: offset: ${offset}")
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}
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override fun fastSeek(steps: Int) {
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println("dummy impl")
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}
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override fun finishFastSeek() {
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println("dummy impl")
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}
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override fun brightnesChange(changeRate: Float, currentValue: Float) {
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println("dummy impl")
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}
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override fun volumeChange(changeRate: Float) {
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println("dummy impl")
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}
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override fun pause() {
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println("dummy pause")
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}
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override fun prevStream() {
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println("dummy impl")
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}
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override fun nextStream() {
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println("dummy impl")
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}
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}
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}
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} |