From d52686164926a769a4137ed55b44871489f00789 Mon Sep 17 00:00:00 2001
From: Shif-Jess <117321707+Shif-Jess@users.noreply.github.com>
Date: Sun, 9 Apr 2023 20:56:25 +0700
Subject: [PATCH] CS3IPlayer: fix buffer lost when seeked to backward

---
 .../cloudstream3/ui/player/CS3IPlayer.kt          | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt b/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt
index 9accf15e..4e6ade70 100644
--- a/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt
+++ b/app/src/main/java/com/lagradost/cloudstream3/ui/player/CS3IPlayer.kt
@@ -670,6 +670,11 @@ class CS3IPlayer : IPlayer {
              **/
             maxVideoHeight: Int? = null
         ): ExoPlayer {
+            val bufferDurationMs = if (videoBufferMs <= 0) {
+                DefaultLoadControl.DEFAULT_MAX_BUFFER_MS
+            } else {
+                videoBufferMs.toInt()
+            }
             val exoPlayerBuilder =
                 ExoPlayer.Builder(context)
                     .setRenderersFactory { eventHandler, videoRendererEventListener, audioRendererEventListener, textRendererOutput, metadataRendererOutput ->
@@ -712,13 +717,13 @@ class CS3IPlayer : IPlayer {
                                     if (cacheSize > Int.MAX_VALUE) Int.MAX_VALUE else cacheSize.toInt()
                                 }
                             )
+                            .setBackBuffer(
+                                bufferDurationMs,
+                                true
+                            )
                             .setBufferDurationsMs(
                                 DefaultLoadControl.DEFAULT_MIN_BUFFER_MS,
-                                if (videoBufferMs <= 0) {
-                                    DefaultLoadControl.DEFAULT_MAX_BUFFER_MS
-                                } else {
-                                    videoBufferMs.toInt()
-                                },
+                                bufferDurationMs,
                                 DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_MS,
                                 DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_AFTER_REBUFFER_MS
                             ).build()