Add preload manager to exoplayer. (1) Customize time frame to preload…

… for videos.(2) Add preload manager as an optional to Timeline screen (4) Add 10 remote videos to chats by sending :prelaod: message to any chat (5) Replace Timeline surface view with Player view for better performance. (6) Use the preloaded source from PreloadManager (7) Add a flag to enable Preload Manager
android · Aug 28, 2024 · b7204a9 · b7204a9
1 parent 64686e3
commit b7204a9
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Showing 3 changed files with 8 additions and 5 deletions.
diff --git a/app/src/main/java/com/google/android/samples/socialite/data/utils/ShortsVideoList.kt b/app/src/main/java/com/google/android/samples/socialite/data/utils/ShortsVideoList.kt
@@ -24,7 +24,7 @@ package com.google.android.samples.socialite.data.utils
 class ShortsVideoList {
     companion object {
         val mediaUris =
-            mutableListOf(
+          listOf(
                 "https://storage.googleapis.com/exoplayer-test-media-0/shorts_android_developers/shorts_1.mp4",
                 "https://storage.googleapis.com/exoplayer-test-media-0/shorts_android_developers/shorts_2.mp4",
                 "https://storage.googleapis.com/exoplayer-test-media-0/shorts_android_developers/shorts_3.mp4",

diff --git a/app/src/main/java/com/google/android/samples/socialite/ui/home/timeline/Timeline.kt b/app/src/main/java/com/google/android/samples/socialite/ui/home/timeline/Timeline.kt
@@ -154,7 +154,7 @@ fun TimelineVerticalPager(
                     .fillMaxSize()
                     .padding(8.dp)
                     .clip(RoundedCornerShape(16.dp))
-                    .background(MaterialTheme.colorScheme.secondaryContainer)
+                  //  .background(MaterialTheme.colorScheme.secondaryContainer)
                     .graphicsLayer {
                         // Calculate the absolute offset for the current page from the
                         // scroll position. We use the absolute value which allows us to mirror

diff --git a/...va/com/google/android/samples/socialite/ui/player/preloadmanager/PreloadManagerWrapper.kt b/...va/com/google/android/samples/socialite/ui/player/preloadmanager/PreloadManagerWrapper.kt
@@ -34,19 +34,22 @@ import androidx.media3.exoplayer.upstream.DefaultBandwidthMeter
 import com.google.android.samples.socialite.ui.home.timeline.TimelineMediaItem
 
 /**
- * Created by Mayuri Khinvasara on 12/08/24.
  * Wrapper class to manage all functionalities of preload manager of exoplayer especially for short form content
  */
 @androidx.media3.common.util.UnstableApi
 class PreloadManagerWrapper
 private constructor(
     private val defaultPreloadManager: DefaultPreloadManager,
 ) {
+    // Queue of media items to be preloaded. Can be ranked based on ranking data
     private val preloadWindow: ArrayDeque<Pair<MediaItem, Int>> = ArrayDeque()
 
-    // Default window size for preload manager
-    private var preloadWindowMaxSize = 6
+    // Default window size for preload manager. This defines how many maximum items will be preloaded at a time. If more than maximum items are added to the preload window
+    private var preloadWindowMaxSize = 5
+
     private var currentPlayingIndex = C.INDEX_UNSET
+
+    // List of all items in our current list of media items to be rendered on the UI
     private var mediaItemsList = listOf<TimelineMediaItem>()
 
     // Defines when to start preloading next items w.r.t current playing item