解决冲突

app/build.gradle

@@ -153,10 +153,10 @@ dependencies {
     def exoplayer_version = '2.15.0'
     implementation "com.google.android.exoplayer:exoplayer-core:$exoplayer_version"
     implementation "com.google.android.exoplayer:extension-okhttp:$exoplayer_version"
-    implementation "com.google.android.exoplayer:exoplayer-hls:$exoplayer_version"
-    implementation "com.google.android.exoplayer:exoplayer-smoothstreaming:$exoplayer_version"
-    implementation "com.google.android.exoplayer:exoplayer-dash:$exoplayer_version"
-    implementation "com.google.android.exoplayer:exoplayer-rtsp:$exoplayer_version"
+//    implementation "com.google.android.exoplayer:exoplayer-hls:$exoplayer_version"
+//    implementation "com.google.android.exoplayer:exoplayer-smoothstreaming:$exoplayer_version"
+//    implementation "com.google.android.exoplayer:exoplayer-dash:$exoplayer_version"
+//    implementation "com.google.android.exoplayer:exoplayer-rtsp:$exoplayer_version"
 
     //Splitties
     def splitties_version = '2.1.1'

app/src/main/java/io/legado/app/help/ExoPlayerHelper.kt

@@ -1,33 +1,68 @@
 package io.legado.app.help
 
 import android.net.Uri
-import com.google.android.exoplayer2.C
 import com.google.android.exoplayer2.MediaItem
+import com.google.android.exoplayer2.database.ExoDatabaseProvider
 import com.google.android.exoplayer2.ext.okhttp.OkHttpDataSource
 import com.google.android.exoplayer2.source.MediaSource
 import com.google.android.exoplayer2.source.ProgressiveMediaSource
-import com.google.android.exoplayer2.source.dash.DashMediaSource
-import com.google.android.exoplayer2.source.hls.HlsMediaSource
-import com.google.android.exoplayer2.source.smoothstreaming.SsMediaSource
-import com.google.android.exoplayer2.util.Util.inferContentType
+import com.google.android.exoplayer2.upstream.cache.Cache
+import com.google.android.exoplayer2.upstream.cache.LeastRecentlyUsedCacheEvictor
+import com.google.android.exoplayer2.upstream.cache.SimpleCache
+import io.legado.app.help.http.okHttpClient
+import splitties.init.appCtx
+import java.io.File
 
 
 object ExoPlayerHelper {
 
     fun createMediaSource(
         uri: Uri,
-        dataSourceFactory: OkHttpDataSource.Factory,
+        defaultRequestProperties: Map<String, String>,
         overrideExtension: String? = null
     ): MediaSource {
         val mediaItem = MediaItem.fromUri(uri)
-        val mediaSourceFactory = when (inferContentType(uri, overrideExtension)) {
-            C.TYPE_SS -> SsMediaSource.Factory(dataSourceFactory)
-            C.TYPE_DASH -> DashMediaSource.Factory(dataSourceFactory)
-            C.TYPE_HLS -> HlsMediaSource.Factory(dataSourceFactory)
-            else -> ProgressiveMediaSource.Factory(dataSourceFactory)
-        }
+        val mediaSourceFactory = ProgressiveMediaSource.Factory(
+            cacheDataSourceFactory.setDefaultRequestProperties(defaultRequestProperties)
+        )
         return mediaSourceFactory.createMediaSource(mediaItem)
 
     }
 
+
+    /**
+     * 支持缓存的DataSource.Factory
+     */
+    private val cacheDataSourceFactory by lazy {
+        //使用自定义的CacheDataSource以支持设置UA
+        return@lazy OkhttpCacheDataSource.Factory()
+            .setCache(cache)
+            .setUpstreamDataSourceFactory(okhttpDataFactory)
+
+    }
+
+    /**
+     * Okhttp DataSource.Factory
+     */
+    private val okhttpDataFactory by lazy {
+        OkHttpDataSource.Factory(okHttpClient)
+
+    }
+
+    /**
+     * Exoplayer 内置的缓存
+     */
+    private val cache: Cache by lazy {
+        val databaseProvider = ExoDatabaseProvider(appCtx)
+        return@lazy SimpleCache(
+            //Exoplayer的缓存路径
+            File(appCtx.externalCacheDir, "exoplayer"),
+            //100M的缓存
+            LeastRecentlyUsedCacheEvictor((100 * 1024 * 1024).toLong()),
+            //记录缓存的数据库
+            databaseProvider
+        );
+
+    }
+
 }

app/src/main/java/io/legado/app/service/AudioPlayService.kt

@@ -16,7 +16,6 @@ import androidx.media.AudioFocusRequestCompat
 import com.google.android.exoplayer2.PlaybackException
 import com.google.android.exoplayer2.Player
 import com.google.android.exoplayer2.SimpleExoPlayer
-import com.google.android.exoplayer2.ext.okhttp.OkHttpDataSource
 import io.legado.app.R
 import io.legado.app.base.BaseService
 import io.legado.app.constant.AppConst
@@ -28,7 +27,6 @@ import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
 import io.legado.app.help.ExoPlayerHelper
 import io.legado.app.help.MediaHelp
-import io.legado.app.help.http.okHttpClient
 import io.legado.app.model.AudioPlay
 import io.legado.app.model.ReadAloud
 import io.legado.app.model.analyzeRule.AnalyzeUrl
@@ -135,10 +133,8 @@ class AudioPlayService : BaseService(),
                         useWebView = true
                     )
                 val uri = Uri.parse(analyzeUrl.url)
-                val dataSourceFactory = OkHttpDataSource.Factory(okHttpClient)
-                    .setDefaultRequestProperties(analyzeUrl.headerMap)
                 val mediaSource = ExoPlayerHelper
-                    .createMediaSource(uri, dataSourceFactory)
+                    .createMediaSource(uri, analyzeUrl.headerMap)
                 exoPlayer.setMediaSource(mediaSource)
                 exoPlayer.playWhenReady = true
                 exoPlayer.prepare()