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Add a YouTube DASH manifest parser to make live DASH manifests usable

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This is a hacky solution, a better one should be investigated and used.
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AudricV 2025-07-05 20:26:37 +02:00 committed by Stypox
parent 635b306de0
commit 077f34c922
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app/src/main/java/org/schabi/newpipe/player/helper/YoutubeDashLiveManifestParser.java Normal file
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package org.schabi.newpipe.player.helper;
import android.net.Uri;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.google.android.exoplayer2.source.dash.manifest.DashManifest;
import com.google.android.exoplayer2.source.dash.manifest.DashManifestParser;
import com.google.android.exoplayer2.source.dash.manifest.Period;
import com.google.android.exoplayer2.source.dash.manifest.ProgramInformation;
import com.google.android.exoplayer2.source.dash.manifest.ServiceDescriptionElement;
import com.google.android.exoplayer2.source.dash.manifest.UtcTimingElement;
import java.util.List;
/**
* A {@link DashManifestParser} fixing YouTube DASH manifests to allow starting playback from the
* newest period available instead of the earliest one in some cases.
*
* <p>
* It changes the {@code availabilityStartTime} passed to a custom value doing the workaround.
* A better approach to fix the issue should be investigated and used in the future.
* </p>
*/
public class YoutubeDashLiveManifestParser extends DashManifestParser {
// Result of Util.parseXsDateTime("1970-01-01T00:00:00Z")
private static final long AVAILABILITY_START_TIME_TO_USE = 0;
// There is no computation made with the availabilityStartTime value in the
// parseMediaPresentationDescription method itself, so we can just override methods called in
// this method using the workaround value
// Overriding parsePeriod does not seem to be needed
@SuppressWarnings("checkstyle:ParameterNumber")
@NonNull
@Override
protected DashManifest buildMediaPresentationDescription(
final long availabilityStartTime,
final long durationMs,
final long minBufferTimeMs,
final boolean dynamic,
final long minUpdateTimeMs,
final long timeShiftBufferDepthMs,
final long suggestedPresentationDelayMs,
final long publishTimeMs,
@Nullable final ProgramInformation programInformation,
@Nullable final UtcTimingElement utcTiming,
@Nullable final ServiceDescriptionElement serviceDescription,
@Nullable final Uri location,
@NonNull final List<Period> periods) {
return super.buildMediaPresentationDescription(
AVAILABILITY_START_TIME_TO_USE,
durationMs,
minBufferTimeMs,
dynamic,
minUpdateTimeMs,
timeShiftBufferDepthMs,
suggestedPresentationDelayMs,
publishTimeMs,
programInformation,
utcTiming,
serviceDescription,
location,
periods);
}
}