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Track (ExoPlayer library)

docs/doc/reference/com/google/android/exoplayer2/extractor/mp4/Track.html

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Package com.google.android.exoplayer2.extractor.mp4

Class Track

[@Deprecated](https://developer.android.com/reference/java/lang/Deprecated.html "class or interface in java.lang")public final classTrackextends[Object](https://developer.android.com/reference/java/lang/Object.html "class or interface in java.lang")

Deprecated. com.google.android.exoplayer2 is deprecated. Please migrate to androidx.media3 (which contains the same ExoPlayer code). See the migration guide for more details, including a script to help with the migration.

Encapsulates information describing an MP4 track.

Nested Class Summary

Nested Classes | Modifier and Type | Class | Description | | --- | --- | --- | | static interface | Track.Transformation | Deprecated.

The transformation to apply to samples in the track, if any. |

Field Summary

Fields | Modifier and Type | Field | Description | | --- | --- | --- | | long | durationUs | Deprecated.

The duration of the track in microseconds, or C.TIME_UNSET if unknown. | | long[] | editListDurations | Deprecated.

Durations of edit list segments in the movie timescale. | | long[] | editListMediaTimes | Deprecated.

Media times for edit list segments in the track timescale. | | Format | format | Deprecated.

The format. | | int | id | Deprecated.

The track identifier. | | long | movieTimescale | Deprecated.

The movie timescale. | | int | nalUnitLengthFieldLength | Deprecated.

The length in bytes of the NALUnitLength field in each sample. | | @com.google.android.exoplayer2.extractor.mp4.Track.Transformation int | sampleTransformation | Deprecated.

One of TRANSFORMATION_*. | | long | timescale | Deprecated.

The track timescale, defined as the number of time units that pass in one second. | | static int | TRANSFORMATION_CEA608_CDAT | Deprecated.

A transformation for caption samples in cdat atoms. | | static int | TRANSFORMATION_NONE | Deprecated.

A no-op sample transformation. | | @com.google.android.exoplayer2.C.TrackType int | type | Deprecated.

One of C.TRACK_TYPE_AUDIO, C.TRACK_TYPE_VIDEO and C.TRACK_TYPE_TEXT. |

Constructor Summary

Constructors | Constructor | Description | | --- | --- | | Track​(int id, @com.google.android.exoplayer2.C.TrackType int type, long timescale, long movieTimescale, long durationUs, Format format, @com.google.android.exoplayer2.extractor.mp4.Track.Transformation int sampleTransformation, TrackEncryptionBox[] sampleDescriptionEncryptionBoxes, int nalUnitLengthFieldLength, long[] editListDurations, long[] editListMediaTimes) | Deprecated. |

Method Summary

All Methods Instance Methods Concrete Methods Deprecated Methods | Modifier and Type | Method | Description | | --- | --- | --- | | Track | copyWithFormat​(Format format) | Deprecated. | | TrackEncryptionBox | getSampleDescriptionEncryptionBox​(int sampleDescriptionIndex) | Deprecated.

Returns the TrackEncryptionBox for the given sample description index. |

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Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

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TRANSFORMATION_NONE

public static final int TRANSFORMATION_NONE

Deprecated.

A no-op sample transformation. See Also:Constant Field Values

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TRANSFORMATION_CEA608_CDAT

public static final int TRANSFORMATION_CEA608_CDAT

Deprecated.

A transformation for caption samples in cdat atoms. See Also:Constant Field Values

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id

public final int id

Deprecated.

The track identifier.

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type

public final @com.google.android.exoplayer2.C.TrackType int type

Deprecated.

One of C.TRACK_TYPE_AUDIO, C.TRACK_TYPE_VIDEO and C.TRACK_TYPE_TEXT.

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timescale

public final long timescale

Deprecated.

The track timescale, defined as the number of time units that pass in one second.

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movieTimescale

public final long movieTimescale

Deprecated.

The movie timescale.

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durationUs

public final long durationUs

Deprecated.

The duration of the track in microseconds, or C.TIME_UNSET if unknown.

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format

public final[Format](../../Format.html "class in com.google.android.exoplayer2")format

Deprecated.

The format.

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sampleTransformation

public final @com.google.android.exoplayer2.extractor.mp4.Track.Transformation int sampleTransformation

Deprecated.

One of TRANSFORMATION_*. Defines the transformation to apply before outputting each sample.

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editListDurations

@Nullable
public final long[] editListDurations

Deprecated.

Durations of edit list segments in the movie timescale. Null if there is no edit list.

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editListMediaTimes

@Nullable
public final long[] editListMediaTimes

Deprecated.

Media times for edit list segments in the track timescale. Null if there is no edit list.

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nalUnitLengthFieldLength

public final int nalUnitLengthFieldLength

Deprecated.

The length in bytes of the NALUnitLength field in each sample. 0 for tracks that don't use length-delimited NAL units.

Constructor Detail

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Track

public Track​(int id,
             @com.google.android.exoplayer2.C.TrackType int type,
             long timescale,
             long movieTimescale,
             long durationUs,[Format](../../Format.html "class in com.google.android.exoplayer2")format,
             @com.google.android.exoplayer2.extractor.mp4.Track.Transformation int sampleTransformation,
             @Nullable[TrackEncryptionBox](TrackEncryptionBox.html "class in com.google.android.exoplayer2.extractor.mp4")[] sampleDescriptionEncryptionBoxes,
             int nalUnitLengthFieldLength,
             @Nullable
             long[] editListDurations,
             @Nullable
             long[] editListMediaTimes)

Deprecated.

Method Detail

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getSampleDescriptionEncryptionBox

@Nullable
public[TrackEncryptionBox](TrackEncryptionBox.html "class in com.google.android.exoplayer2.extractor.mp4")getSampleDescriptionEncryptionBox​(int sampleDescriptionIndex)

Deprecated.

Returns the TrackEncryptionBox for the given sample description index. Parameters:sampleDescriptionIndex - The given sample description indexReturns:The TrackEncryptionBox for the given sample description index. Maybe null if no such entry exists.

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copyWithFormat

public[Track](Track.html "class in com.google.android.exoplayer2.extractor.mp4")copyWithFormat​([Format](../../Format.html "class in com.google.android.exoplayer2")format)

Deprecated.