remove UnknownMediaSourceFactory and infer if transcoding

app/src/main/java/com/dkanada/gramophone/service/playback/LocalPlayer.java

@@ -17,7 +17,7 @@ import com.google.android.exoplayer2.Player.EventListener;
 import com.google.android.exoplayer2.MediaItem;
 import com.google.android.exoplayer2.SimpleExoPlayer;
 import com.google.android.exoplayer2.database.ExoDatabaseProvider;
-import com.google.android.exoplayer2.source.MediaSourceFactory;
+import com.google.android.exoplayer2.source.DefaultMediaSourceFactory;
 import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
 import com.google.android.exoplayer2.upstream.FileDataSource;
@@ -25,8 +25,12 @@ import com.google.android.exoplayer2.upstream.cache.CacheDataSink;
 import com.google.android.exoplayer2.upstream.cache.CacheDataSource;
 import com.google.android.exoplayer2.upstream.cache.LeastRecentlyUsedCacheEvictor;
 import com.google.android.exoplayer2.upstream.cache.SimpleCache;
+import com.google.android.exoplayer2.util.MimeTypes;
 
 import java.io.File;
+import java.util.List;
+import java.util.Locale;
+import java.util.stream.Collectors;
 
 public class LocalPlayer implements Playback {
     public static final String TAG = LocalPlayer.class.getSimpleName();
@@ -89,14 +93,13 @@ public class LocalPlayer implements Playback {
     public LocalPlayer(Context context) {
         this.context = context;
 
-        MediaSourceFactory mediaSourceFactory = new UnknownMediaSourceFactory(buildDataSourceFactory());
         AudioAttributes audioAttributes = new AudioAttributes.Builder()
             .setUsage(C.USAGE_MEDIA)
             .setContentType(C.CONTENT_TYPE_MUSIC)
             .build();
 
         exoPlayer = new SimpleExoPlayer.Builder(context)
-            .setMediaSourceFactory(mediaSourceFactory)
+            .setMediaSourceFactory(new DefaultMediaSourceFactory(buildDataSourceFactory()))
             .setAudioAttributes(audioAttributes, true)
             .build();
 
@@ -141,8 +144,28 @@ public class LocalPlayer implements Playback {
             uri = Uri.parse(MusicUtil.getTranscodeUri(song));
         }
 
-        MediaItem mediaItem = MediaItem.fromUri(uri);
+        List<String> containers = PreferenceUtil.getInstance(context).getDirectPlayCodecs().stream()
-        mediaItem = mediaItem.buildUpon().setMediaId(song.id).build();
+                .map(codec -> codec.container.toLowerCase(Locale.ROOT))
+                .collect(Collectors.toList());
+        List<String> codecs = PreferenceUtil.getInstance(context).getDirectPlayCodecs().stream()
+                .map(codec -> codec.codec.toLowerCase(Locale.ROOT))
+                .collect(Collectors.toList());
+        String maxBitrate = PreferenceUtil.getInstance(context).getMaximumBitrate();
+
+        MediaItem mediaItem;
+
+        if (uri.toString().contains("file://") || (containers.contains(song.container.toLowerCase(Locale.ROOT)) && codecs.contains(song.codec.toLowerCase(Locale.ROOT)) && song.bitRate <= Integer.parseInt(maxBitrate))) {
+            mediaItem = new MediaItem.Builder()
+                    .setUri(uri)
+                    .setMediaId(song.id)
+                    .build();
+        } else {
+            mediaItem = new MediaItem.Builder()
+                    .setUri(uri)
+                    .setMediaId(song.id)
+                    .setMimeType(MimeTypes.APPLICATION_M3U8)
+                    .build();
+        }
 
         exoPlayer.addMediaItem(mediaItem);
     }

app/src/main/java/com/dkanada/gramophone/service/playback/UnknownMediaSourceFactory.kt

@@ -1,79 +0,0 @@
-package com.dkanada.gramophone.service.playback
-
-import com.google.android.exoplayer2.MediaItem
-import com.google.android.exoplayer2.drm.DrmSessionManager
-import com.google.android.exoplayer2.extractor.DefaultExtractorsFactory
-import com.google.android.exoplayer2.source.MediaSource
-import com.google.android.exoplayer2.source.MediaSourceFactory
-import com.google.android.exoplayer2.source.ProgressiveMediaSource
-import com.google.android.exoplayer2.source.hls.HlsMediaSource
-import com.google.android.exoplayer2.upstream.*
-
-import kotlinx.coroutines.*
-
-import java.net.HttpURLConnection
-import java.net.URL
-
-@Suppress("JoinDeclarationAndAssignment")
-class UnknownMediaSourceFactory(dataSourceFactory: DataSource.Factory) : MediaSourceFactory {
-    private val hlsMediaSource : HlsMediaSource.Factory
-    private val progressiveMediaSource : ProgressiveMediaSource.Factory
-
-    private var loadErrorHandlingPolicy: LoadErrorHandlingPolicy
-
-    override fun setDrmSessionManager(drmSessionManager: DrmSessionManager?): MediaSourceFactory {
-        return this
-    }
-
-    override fun setDrmHttpDataSourceFactory(drmHttpDataSourceFactory: HttpDataSource.Factory?): MediaSourceFactory {
-        return this
-    }
-
-    override fun setDrmUserAgent(drmUserAgent: String?): MediaSourceFactory {
-        return this
-    }
-
-    override fun setLoadErrorHandlingPolicy(loadErrorHandlingPolicy: LoadErrorHandlingPolicy?): MediaSourceFactory {
-        this.loadErrorHandlingPolicy = loadErrorHandlingPolicy!!
-        return this
-    }
-
-    override fun getSupportedTypes(): IntArray {
-        return intArrayOf()
-    }
-
-    override fun createMediaSource(mediaItem: MediaItem): MediaSource {
-        if (mediaItem.playbackProperties?.uri.toString().contains("file://")) {
-            return progressiveMediaSource.createMediaSource(mediaItem)
-        }
-
-        val type: String? = runBlocking {
-            httpGet(mediaItem.playbackProperties!!.uri.toString())
-        }
-
-        val sourceFactory: MediaSourceFactory = if (type == "application/x-mpegURL") {
-            hlsMediaSource
-        } else {
-            progressiveMediaSource
-        }
-
-        return sourceFactory.createMediaSource(mediaItem)
-    }
-
-    @Suppress("BlockingMethodInNonBlockingContext")
-    private suspend fun httpGet(url: String?): String? {
-        return withContext(Dispatchers.IO) {
-            val request = URL(url)
-            val conn = request.openConnection() as HttpURLConnection
-
-            return@withContext conn.getHeaderField("Content-Type")
-        }
-    }
-
-    init {
-        hlsMediaSource = HlsMediaSource.Factory(dataSourceFactory)
-        progressiveMediaSource = ProgressiveMediaSource.Factory(dataSourceFactory, DefaultExtractorsFactory())
-
-        loadErrorHandlingPolicy = DefaultLoadErrorHandlingPolicy()
-    }
-}