com.google.android.exoplayer2.offline

Class ProgressiveDownloadHelper

java.lang.Object

com.google.android.exoplayer2.offline.DownloadHelper

com.google.android.exoplayer2.offline.ProgressiveDownloadHelper

public final class ProgressiveDownloadHelper
extends DownloadHelper

A DownloadHelper for progressive streams.

Nested Class Summary

Nested classes/interfaces inherited from class com.google.android.exoplayer2.offline.DownloadHelper

DownloadHelper.Callback

Constructor Summary

Constructors

Constructor and Description
ProgressiveDownloadHelper(android.net.Uri uri)
ProgressiveDownloadHelper(android.net.Uri uri, java.lang.String customCacheKey)

Method Summary

Modifier and Type	Method and Description
ProgressiveDownloadAction	getDownloadAction(byte[] data, java.util.List<TrackKey> trackKeys) Builds a DownloadAction for downloading the specified tracks.
int	getPeriodCount() Returns the number of periods for which media is available.
ProgressiveDownloadAction	getRemoveAction(byte[] data) Builds a DownloadAction for removing the media.
TrackGroupArray	getTrackGroups(int periodIndex) Returns the track groups for the given period.
protected void	prepareInternal() Called on a background thread during preparation.

Methods inherited from class com.google.android.exoplayer2.offline.DownloadHelper

prepare

Methods inherited from class java.lang.Object

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

Constructor Detail

ProgressiveDownloadHelper

public ProgressiveDownloadHelper(android.net.Uri uri)

ProgressiveDownloadHelper

public ProgressiveDownloadHelper(android.net.Uri uri,
                                 @Nullable
                                 java.lang.String customCacheKey)

Method Detail

prepareInternal

protected void prepareInternal()

Description copied from class: DownloadHelper

Called on a background thread during preparation.

Specified by:

prepareInternal in class DownloadHelper

getPeriodCount

public int getPeriodCount()

Description copied from class: DownloadHelper

Returns the number of periods for which media is available. Must not be called until after preparation completes.

Specified by:

getPeriodCount in class DownloadHelper

getTrackGroups

public TrackGroupArray getTrackGroups(int periodIndex)

Description copied from class: DownloadHelper

Returns the track groups for the given period. Must not be called until after preparation completes.

Specified by:

getTrackGroups in class DownloadHelper

Parameters:

periodIndex - The period index.

Returns:

The track groups for the period. May be TrackGroupArray.EMPTY for single stream content.

getDownloadAction

public ProgressiveDownloadAction getDownloadAction(@Nullable
                                                   byte[] data,
                                                   java.util.List<TrackKey> trackKeys)

Description copied from class: DownloadHelper

Builds a DownloadAction for downloading the specified tracks. Must not be called until after preparation completes.

Specified by:

getDownloadAction in class DownloadHelper

Parameters:

data - Application provided data to store in DownloadAction.data.

trackKeys - The selected tracks. If empty, all streams will be downloaded.

Returns:

The built DownloadAction.

getRemoveAction

public ProgressiveDownloadAction getRemoveAction(@Nullable
                                                 byte[] data)

Description copied from class: DownloadHelper

Builds a DownloadAction for removing the media. May be called in any state.

Specified by:

getRemoveAction in class DownloadHelper

Parameters:

data - Application provided data to store in DownloadAction.data.

Returns:

The built DownloadAction.