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implementation("androidx.media3:media3-exoplayer:1.4.1")
implementation("androidx.media3:media3-ui:1.4.1")
implementation("androidx.media3:media3-exoplayer-hls:1.4.1")

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private fun setupPlayer(
        playbackLooper: Looper,
        loadControl: LoadControl, // Use same as used in setting up Preload Manager
        renderersFactory: RenderersFactory, // Use same as used in setting up Preload Manager
        bandwidthMeter: BandwidthMeter, // Use same as used in setting up Preload Manager
    ) {
        player = ExoPlayer.Builder(this)
            .setPlaybackLooper(playbackLooper)
            .setLoadControl(loadControl)
            .setRenderersFactory(renderersFactory)

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@UnstableApi
class DefaultPreloadControl : TargetPreloadStatusControl<Int> {
    override fun getTargetPreloadStatus(rankingData: Int): DefaultPreloadManager.Status? {
        return DefaultPreloadManager.Status(STAGE_LOADED_TO_POSITION_MS, 500)
    }
}

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    fun setupPreloadManager() {
        val LOAD_CONTROL_MIN_BUFFER_MS = 5_000
        val LOAD_CONTROL_MAX_BUFFER_MS = 20_000
        val LOAD_CONTROL_BUFFER_FOR_PLAYBACK_MS = 500
        val playbackThread: HandlerThread =
        HandlerThread("playback-thread", android.os.Process.THREAD_PRIORITY_AUDIO)
        playbackThread.start()
        val loadControl = DefaultLoadControl.Builder()
            .setBufferDurationsMs(
                LOAD_CONTROL_MIN_BUFFER_MS,

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implementation "androidx.media3:media3-transformer:1.1.1"
implementation "androidx.media3:media3-effect:1.1.1"
implementation "androidx.media3:media3-common:1.1.1"

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private fun convertToGrayScale() {
        val effect = arrayListOf<Effect>()
        effect.add(RgbFilter.createGrayscaleFilter())
        val transformer = with(Transformer.Builder(this)) {
            addListener(object : Transformer.Listener {
                override fun onCompleted(composition: Composition, exportResult: ExportResult) {
                    //Play the video from the path you specified below
                }

                override fun onError(

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val effect = arrayListOf<Effect>()
effect.add(RgbFilter.createGrayscaleFilter())
effect.add(MatrixTransformationFactory.createZoomInTransition())
effect.add(ScaleAndRotateTransformation.Builder().setRotationDegrees(90F).build())
val transformer = with(Transformer.Builder(this)) {
            addListener(object : Transformer.Listener {
                override fun onCompleted(composition: Composition, exportResult: ExportResult) {
                    //Play the video from the path you specified below
                }

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ExoPlayer player = ExoPlayer.Builder(this).build()
player?.playWhenReady = true
val mediaSource = downloadTracker?.getDownloadRequest(Uri.parse(VIDEO_URL))!!.let {
    DownloadHelper.createMediaSource(
        it,
        DemoUtil.getDataSourceFactory(this)
    )
}
player?.setMediaSource(mediaSource)
player?.prepare()

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public void toggleDownload(
      FragmentManager fragmentManager, 
      MediaItem mediaItem, 
      RenderersFactory renderersFactory
      ) {
    Download download = downloads.get(checkNotNull(mediaItem.localConfiguration).uri);
    if (download != null && download.state != Download.STATE_FAILED) {
     DownloadService.sendRemoveDownload(
              /* context= */  context,
              /* DownloadService= */  OfflineVideoDownloadService.class,

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class CustomContract : ActivityResultContract<String, String?>() {
 const val DATA = "data"
 const val INPUT_DATA = "input_data"

    override fun createIntent(context: Context, input: String?): Intent {
        val intent = Intent(context, DummyResultActivity::class.java) 
        intent.putExtra(INPUT_DATA, input)
        return intent
    }