164 lines
6.3 KiB
Java
164 lines
6.3 KiB
Java
package org.schabi.newpipe.player.resolver;
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import android.content.Context;
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import android.net.Uri;
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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.MediaItem;
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import com.google.android.exoplayer2.source.MediaSource;
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import com.google.android.exoplayer2.source.MergingMediaSource;
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import org.schabi.newpipe.extractor.MediaFormat;
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import org.schabi.newpipe.extractor.stream.AudioStream;
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import org.schabi.newpipe.extractor.stream.StreamInfo;
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import org.schabi.newpipe.extractor.stream.SubtitlesStream;
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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.helper.PlayerHelper;
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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.ArrayList;
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import java.util.List;
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import java.util.Optional;
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import static com.google.android.exoplayer2.C.TIME_UNSET;
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public class VideoPlaybackResolver implements PlaybackResolver {
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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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@NonNull
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private final QualityResolver qualityResolver;
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private SourceType streamSourceType;
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@Nullable
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private String playbackQuality;
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public enum SourceType {
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LIVE_STREAM,
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VIDEO_WITH_SEPARATED_AUDIO,
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VIDEO_WITH_AUDIO_OR_AUDIO_ONLY
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}
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public VideoPlaybackResolver(@NonNull final Context context,
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@NonNull final PlayerDataSource dataSource,
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@NonNull final QualityResolver qualityResolver) {
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this.context = context;
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this.dataSource = dataSource;
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this.qualityResolver = qualityResolver;
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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 = maybeBuildLiveMediaSource(dataSource, info);
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if (liveSource != null) {
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streamSourceType = SourceType.LIVE_STREAM;
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return liveSource;
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}
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final List<MediaSource> mediaSources = new ArrayList<>();
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// Create video stream source
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final List<VideoStream> videos = ListHelper.getSortedStreamVideosList(context,
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info.getVideoStreams(), info.getVideoOnlyStreams(), false, true);
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final int index;
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if (videos.isEmpty()) {
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index = -1;
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} else if (playbackQuality == null) {
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index = qualityResolver.getDefaultResolutionIndex(videos);
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} else {
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index = qualityResolver.getOverrideResolutionIndex(videos, getPlaybackQuality());
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}
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final MediaItemTag tag = StreamInfoTag.of(info, videos, index);
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@Nullable final VideoStream video = tag.getMaybeQuality()
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.map(MediaItemTag.Quality::getSelectedVideoStream)
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.orElse(null);
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if (video != null) {
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final MediaSource streamSource = buildMediaSource(dataSource, video.getUrl(),
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PlayerHelper.cacheKeyOf(info, video),
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MediaFormat.getSuffixById(video.getFormatId()), tag);
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mediaSources.add(streamSource);
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}
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// Create optional audio stream source
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final List<AudioStream> audioStreams = info.getAudioStreams();
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final AudioStream audio = audioStreams.isEmpty() ? null : audioStreams.get(
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ListHelper.getDefaultAudioFormat(context, audioStreams));
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// Use the audio stream if there is no video stream, or
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// Merge with audio stream in case if video does not contain audio
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if (audio != null && (video == null || video.isVideoOnly)) {
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final MediaSource audioSource = buildMediaSource(dataSource, audio.getUrl(),
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PlayerHelper.cacheKeyOf(info, audio),
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MediaFormat.getSuffixById(audio.getFormatId()), tag);
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mediaSources.add(audioSource);
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streamSourceType = SourceType.VIDEO_WITH_SEPARATED_AUDIO;
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} else {
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streamSourceType = SourceType.VIDEO_WITH_AUDIO_OR_AUDIO_ONLY;
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}
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// If there is no audio or video sources, then this media source cannot be played back
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if (mediaSources.isEmpty()) {
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return null;
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}
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// Below are auxiliary media sources
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// Create subtitle sources
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if (info.getSubtitles() != null) {
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for (final SubtitlesStream subtitle : info.getSubtitles()) {
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final String mimeType = PlayerHelper.subtitleMimeTypesOf(subtitle.getFormat());
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if (mimeType == null) {
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continue;
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}
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final MediaItem.SubtitleConfiguration textMediaItem =
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new MediaItem.SubtitleConfiguration.Builder(Uri.parse(subtitle.getUrl()))
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.setMimeType(mimeType)
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.setLanguage(PlayerHelper.captionLanguageOf(context, subtitle))
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.build();
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final MediaSource textSource = dataSource
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.getSampleMediaSourceFactory()
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.createMediaSource(textMediaItem, TIME_UNSET);
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mediaSources.add(textSource);
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}
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}
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if (mediaSources.size() == 1) {
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return mediaSources.get(0);
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} else {
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return new MergingMediaSource(mediaSources.toArray(
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new MediaSource[0]));
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}
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}
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/**
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* Returns the last resolved {@link StreamInfo}'s {@link SourceType source type}.
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*
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* @return {@link Optional#empty()} if nothing was resolved, otherwise the {@link SourceType}
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* of the last resolved {@link StreamInfo} inside an {@link Optional}
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*/
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public Optional<SourceType> getStreamSourceType() {
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return Optional.ofNullable(streamSourceType);
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}
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@Nullable
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public String getPlaybackQuality() {
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return playbackQuality;
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}
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public void setPlaybackQuality(@Nullable final String playbackQuality) {
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this.playbackQuality = playbackQuality;
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}
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public interface QualityResolver {
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int getDefaultResolutionIndex(List<VideoStream> sortedVideos);
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int getOverrideResolutionIndex(List<VideoStream> sortedVideos, String playbackQuality);
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}
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}
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