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update exoplayer and implement custom media source factory

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This commit is contained in:
dkanada 2020-12-23 12:53:43 +09:00
commit f584cff697
2 changed files with 85 additions and 67 deletions
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79
app/src/main/java/com/dkanada/gramophone/service/MultiPlayer.java
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@ -13,13 +13,9 @@ import com.dkanada.gramophone.util.PreferenceUtil;
import com.google.android.exoplayer2.ExoPlaybackException;
import com.google.android.exoplayer2.ExoPlayer;
import com.google.android.exoplayer2.MediaItem;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.database.ExoDatabaseProvider;
import com.google.android.exoplayer2.source.ConcatenatingMediaSource;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.ProgressiveMediaSource;
import com.google.android.exoplayer2.source.hls.HlsMediaSource;
import com.google.android.exoplayer2.source.MediaSourceFactory;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
import com.google.android.exoplayer2.upstream.FileDataSource;
@ -29,27 +25,13 @@ import com.google.android.exoplayer2.upstream.cache.LeastRecentlyUsedCacheEvicto
import com.google.android.exoplayer2.upstream.cache.SimpleCache;
import java.io.File;
import java.io.IOException;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Dispatcher;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.internal.annotations.EverythingIsNonNull;
public class MultiPlayer implements Playback {
public static final String TAG = MultiPlayer.class.getSimpleName();
private final Context context;
private final OkHttpClient httpClient;
private SimpleExoPlayer exoPlayer;
private ConcatenatingMediaSource mediaSource;
private final SimpleExoPlayer exoPlayer;
private final SimpleCache simpleCache;
private final DataSource.Factory dataSource;
private PlaybackCallbacks callbacks;
@ -83,7 +65,7 @@ public class MultiPlayer implements Playback {
int windowIndex = exoPlayer.getCurrentWindowIndex();
if (windowIndex == 1) {
mediaSource.removeMediaSource(0);
exoPlayer.removeMediaItem(0);
if (exoPlayer.isPlaying()) {
// there are still songs left in the queue
callbacks.onTrackWentToNext();
@ -103,17 +85,11 @@ public class MultiPlayer implements Playback {
public MultiPlayer(Context context) {
this.context = context;
Dispatcher dispatcher = new Dispatcher();
dispatcher.setMaxRequests(1);
httpClient = new OkHttpClient.Builder().dispatcher(dispatcher).build();
exoPlayer = new SimpleExoPlayer.Builder(context).build();
mediaSource = new ConcatenatingMediaSource();
MediaSourceFactory mediaSourceFactory = new UnknownMediaSourceFactory(buildDataSourceFactory());
exoPlayer = new SimpleExoPlayer.Builder(context).setMediaSourceFactory(mediaSourceFactory).build();
exoPlayer.addListener(eventListener);
exoPlayer.prepare(mediaSource);
exoPlayer.setRepeatMode(Player.REPEAT_MODE_OFF);
exoPlayer.prepare();
long cacheSize = PreferenceUtil.getInstance(context).getMediaCacheSize();
LeastRecentlyUsedCacheEvictor recentlyUsedCache = new LeastRecentlyUsedCacheEvictor(cacheSize);
@ -121,23 +97,19 @@ public class MultiPlayer implements Playback {
File cacheDirectory = new File(context.getCacheDir(), "exoplayer");
simpleCache = new SimpleCache(cacheDirectory, recentlyUsedCache, databaseProvider);
dataSource = buildDataSourceFactory();
}
@Override
public void setDataSource(Song song) {
mediaSource = new ConcatenatingMediaSource();
exoPlayer.addListener(eventListener);
exoPlayer.prepare(mediaSource);
exoPlayer.clearMediaItems();
appendDataSource(MusicUtil.getSongFileUri(song));
exoPlayer.seekTo(0, 0);
}
@Override
public void queueDataSource(Song song) {
while (mediaSource.getSize() > 1) {
mediaSource.removeMediaSource(1);
while (exoPlayer.getMediaItemCount() > 1) {
exoPlayer.removeMediaItem(1);
}
appendDataSource(MusicUtil.getSongFileUri(song));
@ -145,36 +117,9 @@ public class MultiPlayer implements Playback {
private void appendDataSource(String path) {
Uri uri = Uri.parse(path);
MediaItem mediaItem = MediaItem.fromUri(uri);
httpClient.newCall(new Request.Builder().url(path).head().build()).enqueue(new Callback() {
@Override
@EverythingIsNonNull
public void onFailure(Call call, IOException e) {
Toast.makeText(context, context.getResources().getString(R.string.unplayable_file), Toast.LENGTH_SHORT).show();
e.printStackTrace();
}
@Override
@EverythingIsNonNull
public void onResponse(Call call, Response response) {
String type = response.header("Content-Type");
if (type == null) return;
MediaSource source;
if (type.equals("application/x-mpegURL")) {
source = new HlsMediaSource.Factory(dataSource)
.setTag(path)
.setAllowChunklessPreparation(true)
.createMediaSource(uri);
} else {
source = new ProgressiveMediaSource.Factory(dataSource)
.setTag(path)
.createMediaSource(uri);
}
mediaSource.addMediaSource(source);
}
});
exoPlayer.addMediaItem(mediaItem);
}
private DataSource.Factory buildDataSourceFactory() {

73
app/src/main/java/com/dkanada/gramophone/service/UnknownMediaSourceFactory.kt Normal file
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@ -0,0 +1,73 @@
package com.dkanada.gramophone.service
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
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 {
val type: String? = runBlocking {
httpGet(mediaItem.playbackProperties!!.uri.toString())
}
val sourceFactory: MediaSourceFactory = if (type == "application/x-mpegURL") {
hlsMediaSource
} else {
progressiveMediaSource
}
return sourceFactory.createMediaSource(mediaItem)
}
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()
}
}