Package com.google.android.exoplayer2
Interface LivePlaybackSpeedControl
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- All Known Implementing Classes:
DefaultLivePlaybackSpeedControl
public interface LivePlaybackSpeedControl
Controls the playback speed while playing live content in order to maintain a steady target live offset.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description float
getAdjustedPlaybackSpeed(long liveOffsetUs, long bufferedDurationUs)
Returns the adjusted playback speed in order get closer towards thetarget live offset
.long
getTargetLiveOffsetUs()
Returns the current target live offset, in microseconds, orC.TIME_UNSET
if no target live offset is defined for the current media.void
notifyRebuffer()
Notifies the live playback speed control that a rebuffer occurred.void
setLiveConfiguration(MediaItem.LiveConfiguration liveConfiguration)
Sets the live configuration defined by the media.void
setTargetLiveOffsetOverrideUs(long liveOffsetUs)
Sets the target live offset in microseconds that overrides the live offsetconfigured
by the media.
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Method Detail
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setLiveConfiguration
void setLiveConfiguration(MediaItem.LiveConfiguration liveConfiguration)
Sets the live configuration defined by the media.- Parameters:
liveConfiguration
- TheMediaItem.LiveConfiguration
as defined by the media.
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setTargetLiveOffsetOverrideUs
void setTargetLiveOffsetOverrideUs(long liveOffsetUs)
Sets the target live offset in microseconds that overrides the live offsetconfigured
by the media. PassingC.TIME_UNSET
deletes a previous override.If no target live offset is configured by
setLiveConfiguration(com.google.android.exoplayer2.MediaItem.LiveConfiguration)
, this override has no effect.
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notifyRebuffer
void notifyRebuffer()
Notifies the live playback speed control that a rebuffer occurred.A rebuffer is defined to be caused by buffer depletion rather than a user action. Hence this method is not called during initial buffering or when buffering as a result of a seek operation.
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getAdjustedPlaybackSpeed
float getAdjustedPlaybackSpeed(long liveOffsetUs, long bufferedDurationUs)
Returns the adjusted playback speed in order get closer towards thetarget live offset
.- Parameters:
liveOffsetUs
- The current live offset, in microseconds.bufferedDurationUs
- The duration of media that's currently buffered, in microseconds.- Returns:
- The adjusted factor by which playback should be sped up.
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getTargetLiveOffsetUs
long getTargetLiveOffsetUs()
Returns the current target live offset, in microseconds, orC.TIME_UNSET
if no target live offset is defined for the current media.
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