93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
package org.schabi.newpipe.player.resolver;
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import static org.schabi.newpipe.util.ListHelper.getNonTorrentStreams;
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import android.content.Context;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.google.android.exoplayer2.source.MediaSource;
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import org.schabi.newpipe.extractor.stream.AudioStream;
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import org.schabi.newpipe.extractor.stream.Stream;
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import org.schabi.newpipe.extractor.stream.StreamInfo;
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import org.schabi.newpipe.extractor.stream.VideoStream;
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import org.schabi.newpipe.player.helper.PlayerDataSource;
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import org.schabi.newpipe.player.mediaitem.MediaItemTag;
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import org.schabi.newpipe.player.mediaitem.StreamInfoTag;
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import org.schabi.newpipe.util.ListHelper;
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import java.util.List;
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public class AudioPlaybackResolver implements PlaybackResolver {
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private static final String TAG = AudioPlaybackResolver.class.getSimpleName();
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@NonNull
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private final Context context;
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@NonNull
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private final PlayerDataSource dataSource;
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public AudioPlaybackResolver(@NonNull final Context context,
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@NonNull final PlayerDataSource dataSource) {
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this.context = context;
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this.dataSource = dataSource;
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}
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@Override
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@Nullable
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public MediaSource resolve(@NonNull final StreamInfo info) {
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final MediaSource liveSource = PlaybackResolver.maybeBuildLiveMediaSource(dataSource, info);
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if (liveSource != null) {
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return liveSource;
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}
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final Stream stream = getAudioSource(info);
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if (stream == null) {
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return null;
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}
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final MediaItemTag tag = StreamInfoTag.of(info);
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try {
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return PlaybackResolver.buildMediaSource(
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dataSource, stream, info, PlaybackResolver.cacheKeyOf(info, stream), tag);
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} catch (final ResolverException e) {
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Log.e(TAG, "Unable to create audio source", e);
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return null;
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}
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}
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/**
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* Get a stream to be played as audio. If a service has no separate {@link AudioStream}s we
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* use a video stream as audio source to support audio background playback.
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*
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* @param info of the stream
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* @return the audio source to use or null if none could be found
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*/
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@Nullable
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private Stream getAudioSource(@NonNull final StreamInfo info) {
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final List<AudioStream> audioStreams = getNonTorrentStreams(info.getAudioStreams());
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if (!audioStreams.isEmpty()) {
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final int index = ListHelper.getDefaultAudioFormat(context, audioStreams);
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return getStreamForIndex(index, audioStreams);
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} else {
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final List<VideoStream> videoStreams = getNonTorrentStreams(info.getVideoStreams());
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if (!videoStreams.isEmpty()) {
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final int index = ListHelper.getDefaultResolutionIndex(context, videoStreams);
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return getStreamForIndex(index, videoStreams);
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}
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}
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return null;
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}
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@Nullable
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Stream getStreamForIndex(final int index, @NonNull final List<? extends Stream> streams) {
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if (index >= 0 && index < streams.size()) {
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return streams.get(index);
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}
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return null;
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}
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}
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