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Code Issues Releases Wiki Activity

Merge pull request #2311 from Redirion/FixSubs

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Readd CustomTrackSelector
This commit is contained in:
Tobias Groza 2019-04-28 02:29:20 +02:00 committed by GitHub
commit 5a59a3dd50
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3 changed files with 120 additions and 7 deletions
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6
app/src/main/java/org/schabi/newpipe/player/BasePlayer.java
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@ -44,7 +44,6 @@ import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.source.BehindLiveWindowException;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.trackselection.TrackSelection;
import com.google.android.exoplayer2.trackselection.TrackSelectionArray;
import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
@ -64,6 +63,7 @@ import org.schabi.newpipe.player.helper.PlayerDataSource;
import org.schabi.newpipe.player.helper.PlayerHelper;
import org.schabi.newpipe.player.mediasource.FailedMediaSource;
import org.schabi.newpipe.player.playback.BasePlayerMediaSession;
import org.schabi.newpipe.player.playback.CustomTrackSelector;
import org.schabi.newpipe.player.playback.MediaSourceManager;
import org.schabi.newpipe.player.playback.PlaybackListener;
import org.schabi.newpipe.player.playqueue.PlayQueue;
@ -113,7 +113,7 @@ public abstract class BasePlayer implements
final protected HistoryRecordManager recordManager;
@NonNull
final protected DefaultTrackSelector trackSelector;
final protected CustomTrackSelector trackSelector;
@NonNull
final protected PlayerDataSource dataSource;
@ -208,7 +208,7 @@ public abstract class BasePlayer implements
this.dataSource = new PlayerDataSource(context, userAgent, bandwidthMeter);
final TrackSelection.Factory trackSelectionFactory = PlayerHelper.getQualitySelector(context);
this.trackSelector = new DefaultTrackSelector(trackSelectionFactory);
this.trackSelector = new CustomTrackSelector(trackSelectionFactory);
this.loadControl = new LoadController(context);
this.renderFactory = new DefaultRenderersFactory(context);

6
app/src/main/java/org/schabi/newpipe/player/VideoPlayer.java
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@ -297,7 +297,6 @@ public abstract class VideoPlayer extends BasePlayer
return true;
});
// Add all available captions
for (int i = 0; i < availableLanguages.size(); i++) {
final String captionLanguage = availableLanguages.get(i);
MenuItem captionItem = captionPopupMenu.getMenu().add(captionPopupMenuGroupId,
@ -305,9 +304,9 @@ public abstract class VideoPlayer extends BasePlayer
captionItem.setOnMenuItemClickListener(menuItem -> {
final int textRendererIndex = getRendererIndex(C.TRACK_TYPE_TEXT);
if (textRendererIndex != RENDERER_UNAVAILABLE) {
trackSelector.setPreferredTextLanguage(captionLanguage);
trackSelector.setParameters(trackSelector.buildUponParameters()
.setRendererDisabled(textRendererIndex, false)
.setPreferredTextLanguage(captionLanguage));
.setRendererDisabled(textRendererIndex, false));
}
return true;
});
@ -315,7 +314,6 @@ public abstract class VideoPlayer extends BasePlayer
captionPopupMenu.setOnDismissListener(this);
}
private void updateStreamRelatedViews() {
if (getCurrentMetadata() == null) return;

115
app/src/main/java/org/schabi/newpipe/player/playback/CustomTrackSelector.java Normal file
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@ -0,0 +1,115 @@
package org.schabi.newpipe.player.playback;
import android.support.annotation.NonNull;
import android.text.TextUtils;
import android.util.Pair;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.trackselection.FixedTrackSelection;
import com.google.android.exoplayer2.trackselection.TrackSelection;
import com.google.android.exoplayer2.util.Assertions;
/**
* This class allows irregular text language labels for use when selecting text captions and
* is mostly a copy-paste from {@link DefaultTrackSelector}.
*
* This is a hack and should be removed once ExoPlayer fixes language normalization to accept
* a broader set of languages.
* */
public class CustomTrackSelector extends DefaultTrackSelector {
private static final int WITHIN_RENDERER_CAPABILITIES_BONUS = 1000;
private String preferredTextLanguage;
public CustomTrackSelector(TrackSelection.Factory adaptiveTrackSelectionFactory) {
super(adaptiveTrackSelectionFactory);
}
public String getPreferredTextLanguage() {
return preferredTextLanguage;
}
public void setPreferredTextLanguage(@NonNull final String label) {
Assertions.checkNotNull(label);
if (!label.equals(preferredTextLanguage)) {
preferredTextLanguage = label;
invalidate();
}
}
/** @see DefaultTrackSelector#formatHasLanguage(Format, String)*/
protected static boolean formatHasLanguage(Format format, String language) {
return language != null && TextUtils.equals(language, format.language);
}
/** @see DefaultTrackSelector#formatHasNoLanguage(Format)*/
protected static boolean formatHasNoLanguage(Format format) {
return TextUtils.isEmpty(format.language) || formatHasLanguage(format, C.LANGUAGE_UNDETERMINED);
}
/** @see DefaultTrackSelector#selectTextTrack(TrackGroupArray, int[][], Parameters) */
@Override
protected Pair<TrackSelection, Integer> selectTextTrack(TrackGroupArray groups, int[][] formatSupport,
Parameters params) {
TrackGroup selectedGroup = null;
int selectedTrackIndex = 0;
int selectedTrackScore = 0;
for (int groupIndex = 0; groupIndex < groups.length; groupIndex++) {
TrackGroup trackGroup = groups.get(groupIndex);
int[] trackFormatSupport = formatSupport[groupIndex];
for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
if (isSupported(trackFormatSupport[trackIndex],
params.exceedRendererCapabilitiesIfNecessary)) {
Format format = trackGroup.getFormat(trackIndex);
int maskedSelectionFlags =
format.selectionFlags & ~params.disabledTextTrackSelectionFlags;
boolean isDefault = (maskedSelectionFlags & C.SELECTION_FLAG_DEFAULT) != 0;
boolean isForced = (maskedSelectionFlags & C.SELECTION_FLAG_FORCED) != 0;
int trackScore;
boolean preferredLanguageFound = formatHasLanguage(format, preferredTextLanguage);
if (preferredLanguageFound
|| (params.selectUndeterminedTextLanguage && formatHasNoLanguage(format))) {
if (isDefault) {
trackScore = 8;
} else if (!isForced) {
// Prefer non-forced to forced if a preferred text language has been specified. Where
// both are provided the non-forced track will usually contain the forced subtitles as
// a subset.
trackScore = 6;
} else {
trackScore = 4;
}
trackScore += preferredLanguageFound ? 1 : 0;
} else if (isDefault) {
trackScore = 3;
} else if (isForced) {
if (formatHasLanguage(format, params.preferredAudioLanguage)) {
trackScore = 2;
} else {
trackScore = 1;
}
} else {
// Track should not be selected.
continue;
}
if (isSupported(trackFormatSupport[trackIndex], false)) {
trackScore += WITHIN_RENDERER_CAPABILITIES_BONUS;
}
if (trackScore > selectedTrackScore) {
selectedGroup = trackGroup;
selectedTrackIndex = trackIndex;
selectedTrackScore = trackScore;
}
}
}
}
return selectedGroup == null
? null
: Pair.create(
new FixedTrackSelection(selectedGroup, selectedTrackIndex), selectedTrackScore);
}
}