Merge pull request #9413 from jaeho-lee104:feature/dev-2-abr-option
PiperOrigin-RevId: 399510059
This commit is contained in:
commit
ee14d51d90
@ -53,6 +53,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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private final int minDurationForQualityIncreaseMs;
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private final int minDurationForQualityIncreaseMs;
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private final int maxDurationForQualityDecreaseMs;
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private final int maxDurationForQualityDecreaseMs;
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private final int minDurationToRetainAfterDiscardMs;
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private final int minDurationToRetainAfterDiscardMs;
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private final int maxWidthToDiscard;
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private final int maxHeightToDiscard;
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private final float bandwidthFraction;
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private final float bandwidthFraction;
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private final float bufferedFractionToLiveEdgeForQualityIncrease;
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private final float bufferedFractionToLiveEdgeForQualityIncrease;
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private final Clock clock;
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private final Clock clock;
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@ -63,9 +65,7 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
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DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
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DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
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DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
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DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
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DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
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DEFAULT_BANDWIDTH_FRACTION,
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DEFAULT_BANDWIDTH_FRACTION);
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DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
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Clock.DEFAULT);
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}
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}
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/**
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/**
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@ -75,9 +75,9 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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* selected track to switch to one of higher quality.
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* selected track to switch to one of higher quality.
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* selected track to switch to one of lower quality.
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* selected track to switch to one of lower quality.
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* @param minDurationToRetainAfterDiscardMs When switching to a track of significantly higher
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* @param minDurationToRetainAfterDiscardMs When switching to a video track of higher quality,
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* quality, the selection may indicate that media already buffered at the lower quality can
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* the selection may indicate that media already buffered at the lower quality can be
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* be discarded to speed up the switch. This is the minimum duration of media that must be
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* discarded to speed up the switch. This is the minimum duration of media that must be
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* retained at the lower quality. It must be at least {@code
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* retained at the lower quality. It must be at least {@code
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* minDurationForQualityIncreaseMs}.
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* minDurationForQualityIncreaseMs}.
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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@ -93,6 +93,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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minDurationForQualityIncreaseMs,
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minDurationForQualityIncreaseMs,
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maxDurationForQualityDecreaseMs,
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maxDurationForQualityDecreaseMs,
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minDurationToRetainAfterDiscardMs,
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minDurationToRetainAfterDiscardMs,
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DEFAULT_MAX_WIDTH_TO_DISCARD,
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DEFAULT_MAX_HEIGHT_TO_DISCARD,
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bandwidthFraction,
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bandwidthFraction,
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DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
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DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
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Clock.DEFAULT);
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Clock.DEFAULT);
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@ -105,9 +107,47 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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* selected track to switch to one of higher quality.
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* selected track to switch to one of higher quality.
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* selected track to switch to one of lower quality.
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* selected track to switch to one of lower quality.
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* @param minDurationToRetainAfterDiscardMs When switching to a track of significantly higher
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* @param minDurationToRetainAfterDiscardMs When switching to a video track of higher quality,
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* quality, the selection may indicate that media already buffered at the lower quality can
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* the selection may indicate that media already buffered at the lower quality can be
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* be discarded to speed up the switch. This is the minimum duration of media that must be
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* discarded to speed up the switch. This is the minimum duration of media that must be
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* retained at the lower quality. It must be at least {@code
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* minDurationForQualityIncreaseMs}.
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* @param maxWidthToDiscard The maximum video width that the selector may discard from the
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* buffer to speed up switching to a higher quality.
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* @param maxHeightToDiscard The maximum video height that the selector may discard from the
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* buffer to speed up switching to a higher quality.
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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* consider available for use. Setting to a value less than 1 is recommended to account for
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* inaccuracies in the bandwidth estimator.
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*/
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public Factory(
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int minDurationForQualityIncreaseMs,
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int maxDurationForQualityDecreaseMs,
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int minDurationToRetainAfterDiscardMs,
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int maxWidthToDiscard,
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int maxHeightToDiscard,
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float bandwidthFraction) {
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this(
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minDurationForQualityIncreaseMs,
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maxDurationForQualityDecreaseMs,
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minDurationToRetainAfterDiscardMs,
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maxWidthToDiscard,
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maxHeightToDiscard,
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bandwidthFraction,
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DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
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Clock.DEFAULT);
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}
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/**
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* Creates an adaptive track selection factory.
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*
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* @param minDurationForQualityIncreaseMs The minimum duration of buffered data required for the
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* selected track to switch to one of higher quality.
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* selected track to switch to one of lower quality.
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* @param minDurationToRetainAfterDiscardMs When switching to a video track of higher quality,
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* the selection may indicate that media already buffered at the lower quality can be
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* discarded to speed up the switch. This is the minimum duration of media that must be
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* retained at the lower quality. It must be at least {@code
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* retained at the lower quality. It must be at least {@code
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* minDurationForQualityIncreaseMs}.
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* minDurationForQualityIncreaseMs}.
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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@ -128,9 +168,58 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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float bandwidthFraction,
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float bandwidthFraction,
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float bufferedFractionToLiveEdgeForQualityIncrease,
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float bufferedFractionToLiveEdgeForQualityIncrease,
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Clock clock) {
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Clock clock) {
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this(
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minDurationForQualityIncreaseMs,
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maxDurationForQualityDecreaseMs,
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minDurationToRetainAfterDiscardMs,
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DEFAULT_MAX_WIDTH_TO_DISCARD,
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DEFAULT_MAX_HEIGHT_TO_DISCARD,
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bandwidthFraction,
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bufferedFractionToLiveEdgeForQualityIncrease,
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clock);
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}
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/**
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* Creates an adaptive track selection factory.
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*
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* @param minDurationForQualityIncreaseMs The minimum duration of buffered data required for the
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* selected track to switch to one of higher quality.
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* selected track to switch to one of lower quality.
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* @param minDurationToRetainAfterDiscardMs When switching to a video track of higher quality,
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* the selection may indicate that media already buffered at the lower quality can be
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* discarded to speed up the switch. This is the minimum duration of media that must be
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* retained at the lower quality. It must be at least {@code
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* minDurationForQualityIncreaseMs}.
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* @param maxWidthToDiscard The maximum video width that the selector may discard from the
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* buffer to speed up switching to a higher quality.
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* @param maxHeightToDiscard The maximum video height that the selector may discard from the
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* buffer to speed up switching to a higher quality.
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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* consider available for use. Setting to a value less than 1 is recommended to account for
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* inaccuracies in the bandwidth estimator.
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* @param bufferedFractionToLiveEdgeForQualityIncrease For live streaming, the fraction of the
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* duration from current playback position to the live edge that has to be buffered before
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* the selected track can be switched to one of higher quality. This parameter is only
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* applied when the playback position is closer to the live edge than {@code
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* minDurationForQualityIncreaseMs}, which would otherwise prevent switching to a higher
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* quality from happening.
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* @param clock A {@link Clock}.
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*/
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public Factory(
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int minDurationForQualityIncreaseMs,
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int maxDurationForQualityDecreaseMs,
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int minDurationToRetainAfterDiscardMs,
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int maxWidthToDiscard,
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int maxHeightToDiscard,
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float bandwidthFraction,
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float bufferedFractionToLiveEdgeForQualityIncrease,
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Clock clock) {
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this.minDurationForQualityIncreaseMs = minDurationForQualityIncreaseMs;
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this.minDurationForQualityIncreaseMs = minDurationForQualityIncreaseMs;
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this.maxDurationForQualityDecreaseMs = maxDurationForQualityDecreaseMs;
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this.maxDurationForQualityDecreaseMs = maxDurationForQualityDecreaseMs;
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this.minDurationToRetainAfterDiscardMs = minDurationToRetainAfterDiscardMs;
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this.minDurationToRetainAfterDiscardMs = minDurationToRetainAfterDiscardMs;
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this.maxWidthToDiscard = maxWidthToDiscard;
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this.maxHeightToDiscard = maxHeightToDiscard;
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this.bandwidthFraction = bandwidthFraction;
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this.bandwidthFraction = bandwidthFraction;
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this.bufferedFractionToLiveEdgeForQualityIncrease =
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this.bufferedFractionToLiveEdgeForQualityIncrease =
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bufferedFractionToLiveEdgeForQualityIncrease;
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bufferedFractionToLiveEdgeForQualityIncrease;
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@ -192,6 +281,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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minDurationForQualityIncreaseMs,
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minDurationForQualityIncreaseMs,
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maxDurationForQualityDecreaseMs,
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maxDurationForQualityDecreaseMs,
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minDurationToRetainAfterDiscardMs,
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minDurationToRetainAfterDiscardMs,
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maxWidthToDiscard,
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maxHeightToDiscard,
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bandwidthFraction,
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bandwidthFraction,
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bufferedFractionToLiveEdgeForQualityIncrease,
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bufferedFractionToLiveEdgeForQualityIncrease,
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adaptationCheckpoints,
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adaptationCheckpoints,
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@ -202,6 +293,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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public static final int DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS = 10_000;
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public static final int DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS = 10_000;
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public static final int DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS = 25_000;
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public static final int DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS = 25_000;
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public static final int DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS = 25_000;
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public static final int DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS = 25_000;
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public static final int DEFAULT_MAX_WIDTH_TO_DISCARD = 1279;
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public static final int DEFAULT_MAX_HEIGHT_TO_DISCARD = 719;
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public static final float DEFAULT_BANDWIDTH_FRACTION = 0.7f;
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public static final float DEFAULT_BANDWIDTH_FRACTION = 0.7f;
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public static final float DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE = 0.75f;
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public static final float DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE = 0.75f;
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@ -211,6 +304,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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private final long minDurationForQualityIncreaseUs;
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private final long minDurationForQualityIncreaseUs;
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private final long maxDurationForQualityDecreaseUs;
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private final long maxDurationForQualityDecreaseUs;
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private final long minDurationToRetainAfterDiscardUs;
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private final long minDurationToRetainAfterDiscardUs;
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private final int maxWidthToDiscard;
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private final int maxHeightToDiscard;
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private final float bandwidthFraction;
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private final float bandwidthFraction;
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private final float bufferedFractionToLiveEdgeForQualityIncrease;
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private final float bufferedFractionToLiveEdgeForQualityIncrease;
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private final ImmutableList<AdaptationCheckpoint> adaptationCheckpoints;
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private final ImmutableList<AdaptationCheckpoint> adaptationCheckpoints;
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@ -237,6 +332,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
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DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
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DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
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DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
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DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
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DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
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DEFAULT_MAX_WIDTH_TO_DISCARD,
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DEFAULT_MAX_HEIGHT_TO_DISCARD,
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DEFAULT_BANDWIDTH_FRACTION,
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DEFAULT_BANDWIDTH_FRACTION,
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DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
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DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
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/* adaptationCheckpoints= */ ImmutableList.of(),
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/* adaptationCheckpoints= */ ImmutableList.of(),
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@ -253,10 +350,14 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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* selected track to switch to one of higher quality.
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* selected track to switch to one of higher quality.
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* @param maxDurationForQualityDecreaseMs The maximum duration of buffered data required for the
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* selected track to switch to one of lower quality.
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* selected track to switch to one of lower quality.
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* @param minDurationToRetainAfterDiscardMs When switching to a track of significantly higher
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* @param minDurationToRetainAfterDiscardMs When switching to a video track of higher quality, the
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* quality, the selection may indicate that media already buffered at the lower quality can be
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* selection may indicate that media already buffered at the lower quality can be discarded to
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* discarded to speed up the switch. This is the minimum duration of media that must be
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* speed up the switch. This is the minimum duration of media that must be retained at the
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* retained at the lower quality. It must be at least {@code minDurationForQualityIncreaseMs}.
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* lower quality. It must be at least {@code minDurationForQualityIncreaseMs}.
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* @param maxWidthToDiscard The maximum video width that the selector may discard from the buffer
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* to speed up switching to a higher quality.
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* @param maxHeightToDiscard The maximum video height that the selector may discard from the
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* buffer to speed up switching to a higher quality.
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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* @param bandwidthFraction The fraction of the available bandwidth that the selection should
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* consider available for use. Setting to a value less than 1 is recommended to account for
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* consider available for use. Setting to a value less than 1 is recommended to account for
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* inaccuracies in the bandwidth estimator.
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* inaccuracies in the bandwidth estimator.
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@ -278,6 +379,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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long minDurationForQualityIncreaseMs,
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long minDurationForQualityIncreaseMs,
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long maxDurationForQualityDecreaseMs,
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long maxDurationForQualityDecreaseMs,
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long minDurationToRetainAfterDiscardMs,
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long minDurationToRetainAfterDiscardMs,
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int maxWidthToDiscard,
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int maxHeightToDiscard,
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float bandwidthFraction,
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float bandwidthFraction,
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float bufferedFractionToLiveEdgeForQualityIncrease,
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float bufferedFractionToLiveEdgeForQualityIncrease,
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List<AdaptationCheckpoint> adaptationCheckpoints,
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List<AdaptationCheckpoint> adaptationCheckpoints,
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@ -294,6 +397,8 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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this.minDurationForQualityIncreaseUs = minDurationForQualityIncreaseMs * 1000L;
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this.minDurationForQualityIncreaseUs = minDurationForQualityIncreaseMs * 1000L;
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this.maxDurationForQualityDecreaseUs = maxDurationForQualityDecreaseMs * 1000L;
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this.maxDurationForQualityDecreaseUs = maxDurationForQualityDecreaseMs * 1000L;
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this.minDurationToRetainAfterDiscardUs = minDurationToRetainAfterDiscardMs * 1000L;
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this.minDurationToRetainAfterDiscardUs = minDurationToRetainAfterDiscardMs * 1000L;
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this.maxWidthToDiscard = maxWidthToDiscard;
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this.maxHeightToDiscard = maxHeightToDiscard;
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this.bandwidthFraction = bandwidthFraction;
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this.bandwidthFraction = bandwidthFraction;
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this.bufferedFractionToLiveEdgeForQualityIncrease =
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this.bufferedFractionToLiveEdgeForQualityIncrease =
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bufferedFractionToLiveEdgeForQualityIncrease;
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bufferedFractionToLiveEdgeForQualityIncrease;
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@ -410,9 +515,9 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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}
|
}
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int idealSelectedIndex = determineIdealSelectedIndex(nowMs, getLastChunkDurationUs(queue));
|
int idealSelectedIndex = determineIdealSelectedIndex(nowMs, getLastChunkDurationUs(queue));
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Format idealFormat = getFormat(idealSelectedIndex);
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Format idealFormat = getFormat(idealSelectedIndex);
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// If the chunks contain video, discard from the first SD chunk beyond
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// If chunks contain video, discard from the first chunk after minDurationToRetainAfterDiscardUs
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// minDurationToRetainAfterDiscardUs whose resolution and bitrate are both lower than the ideal
|
// whose resolution and bitrate are both lower than the ideal track, and whose width and height
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// track.
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// are less than or equal to maxWidthToDiscard and maxHeightToDiscard respectively.
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for (int i = 0; i < queueSize; i++) {
|
for (int i = 0; i < queueSize; i++) {
|
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MediaChunk chunk = queue.get(i);
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MediaChunk chunk = queue.get(i);
|
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Format format = chunk.trackFormat;
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Format format = chunk.trackFormat;
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@ -422,9 +527,9 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
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if (playoutDurationBeforeThisChunkUs >= minDurationToRetainAfterDiscardUs
|
if (playoutDurationBeforeThisChunkUs >= minDurationToRetainAfterDiscardUs
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&& format.bitrate < idealFormat.bitrate
|
&& format.bitrate < idealFormat.bitrate
|
||||||
&& format.height != Format.NO_VALUE
|
&& format.height != Format.NO_VALUE
|
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&& format.height < 720
|
&& format.height <= maxHeightToDiscard
|
||||||
&& format.width != Format.NO_VALUE
|
&& format.width != Format.NO_VALUE
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&& format.width < 1280
|
&& format.width <= maxWidthToDiscard
|
||||||
&& format.height < idealFormat.height) {
|
&& format.height < idealFormat.height) {
|
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return i;
|
return i;
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}
|
}
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|
@ -232,10 +232,7 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
|
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
|
||||||
FakeMediaChunk chunk3 =
|
FakeMediaChunk chunk3 =
|
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new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
|
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
|
||||||
List<FakeMediaChunk> queue = new ArrayList<>();
|
List<FakeMediaChunk> queue = ImmutableList.of(chunk1, chunk2, chunk3);
|
||||||
queue.add(chunk1);
|
|
||||||
queue.add(chunk2);
|
|
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queue.add(chunk3);
|
|
||||||
|
|
||||||
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
|
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
|
||||||
AdaptiveTrackSelection adaptiveTrackSelection = prepareAdaptiveTrackSelection(trackGroup);
|
AdaptiveTrackSelection adaptiveTrackSelection = prepareAdaptiveTrackSelection(trackGroup);
|
||||||
@ -257,10 +254,7 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
|
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
|
||||||
FakeMediaChunk chunk3 =
|
FakeMediaChunk chunk3 =
|
||||||
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
|
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
|
||||||
List<FakeMediaChunk> queue = new ArrayList<>();
|
List<FakeMediaChunk> queue = ImmutableList.of(chunk1, chunk2, chunk3);
|
||||||
queue.add(chunk1);
|
|
||||||
queue.add(chunk2);
|
|
||||||
queue.add(chunk3);
|
|
||||||
|
|
||||||
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
|
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
|
||||||
AdaptiveTrackSelection adaptiveTrackSelection =
|
AdaptiveTrackSelection adaptiveTrackSelection =
|
||||||
@ -297,10 +291,7 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
|
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
|
||||||
FakeMediaChunk chunk3 =
|
FakeMediaChunk chunk3 =
|
||||||
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
|
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
|
||||||
List<FakeMediaChunk> queue = new ArrayList<>();
|
List<FakeMediaChunk> queue = ImmutableList.of(chunk1, chunk2, chunk3);
|
||||||
queue.add(chunk1);
|
|
||||||
queue.add(chunk2);
|
|
||||||
queue.add(chunk3);
|
|
||||||
|
|
||||||
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
|
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
|
||||||
AdaptiveTrackSelection adaptiveTrackSelection =
|
AdaptiveTrackSelection adaptiveTrackSelection =
|
||||||
@ -321,6 +312,45 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
assertThat(newSize).isEqualTo(2);
|
assertThat(newSize).isEqualTo(2);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void evaluateQueueSizeDiscardChunksLessThanOrEqualToMaximumResolution() {
|
||||||
|
Format format1 = videoFormat(/* bitrate= */ 500, /* width= */ 320, /* height= */ 240);
|
||||||
|
Format format2 = videoFormat(/* bitrate= */ 1000, /* width= */ 640, /* height= */ 480);
|
||||||
|
Format format3 = videoFormat(/* bitrate= */ 2000, /* width= */ 960, /* height= */ 720);
|
||||||
|
TrackGroup trackGroup = new TrackGroup(format1, format2, format3);
|
||||||
|
|
||||||
|
FakeMediaChunk chunk1 =
|
||||||
|
new FakeMediaChunk(format2, /* startTimeUs= */ 0, /* endTimeUs= */ 10_000_000);
|
||||||
|
FakeMediaChunk chunk2 =
|
||||||
|
new FakeMediaChunk(format2, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
|
||||||
|
FakeMediaChunk chunk3 =
|
||||||
|
new FakeMediaChunk(format2, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
|
||||||
|
FakeMediaChunk chunk4 =
|
||||||
|
new FakeMediaChunk(format2, /* startTimeUs= */ 30_000_000, /* endTimeUs= */ 40_000_000);
|
||||||
|
FakeMediaChunk chunk5 =
|
||||||
|
new FakeMediaChunk(format1, /* startTimeUs= */ 40_000_000, /* endTimeUs= */ 50_000_000);
|
||||||
|
|
||||||
|
List<FakeMediaChunk> queue = ImmutableList.of(chunk1, chunk2, chunk3, chunk4, chunk5);
|
||||||
|
|
||||||
|
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
|
||||||
|
AdaptiveTrackSelection adaptiveTrackSelection =
|
||||||
|
prepareAdaptiveTrackSelectionWithMaxResolutionToDiscard(
|
||||||
|
trackGroup, /* maxWidthToDiscard= */ 320, /* maxHeightToDiscard= */ 240);
|
||||||
|
|
||||||
|
int initialQueueSize =
|
||||||
|
adaptiveTrackSelection.evaluateQueueSize(/* playbackPositionUs= */ 0, queue);
|
||||||
|
assertThat(initialQueueSize).isEqualTo(5);
|
||||||
|
|
||||||
|
fakeClock.advanceTime(2000);
|
||||||
|
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(2000L);
|
||||||
|
|
||||||
|
// When bandwidth estimation is updated and time has advanced enough, we can discard chunks at
|
||||||
|
// the end of the queue now.
|
||||||
|
// In this case, only chunks less than or equal to width = 320 and height = 240 are discarded.
|
||||||
|
int newSize = adaptiveTrackSelection.evaluateQueueSize(/* playbackPositionUs= */ 0, queue);
|
||||||
|
assertThat(newSize).isEqualTo(4);
|
||||||
|
}
|
||||||
|
|
||||||
@Test
|
@Test
|
||||||
public void updateSelectedTrack_usesFormatOfLastChunkInTheQueueForSelection() {
|
public void updateSelectedTrack_usesFormatOfLastChunkInTheQueueForSelection() {
|
||||||
Format format1 = videoFormat(/* bitrate= */ 500, /* width= */ 320, /* height= */ 240);
|
Format format1 = videoFormat(/* bitrate= */ 500, /* width= */ 320, /* height= */ 240);
|
||||||
@ -616,6 +646,8 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
||||||
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_WIDTH_TO_DISCARD,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_HEIGHT_TO_DISCARD,
|
||||||
bandwidthFraction,
|
bandwidthFraction,
|
||||||
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
||||||
/* adaptationCheckpoints= */ ImmutableList.of(),
|
/* adaptationCheckpoints= */ ImmutableList.of(),
|
||||||
@ -633,6 +665,8 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
minDurationForQualityIncreaseMs,
|
minDurationForQualityIncreaseMs,
|
||||||
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_WIDTH_TO_DISCARD,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_HEIGHT_TO_DISCARD,
|
||||||
/* bandwidthFraction= */ 1.0f,
|
/* bandwidthFraction= */ 1.0f,
|
||||||
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
||||||
/* adaptationCheckpoints= */ ImmutableList.of(),
|
/* adaptationCheckpoints= */ ImmutableList.of(),
|
||||||
@ -650,6 +684,8 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
||||||
maxDurationForQualityDecreaseMs,
|
maxDurationForQualityDecreaseMs,
|
||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_WIDTH_TO_DISCARD,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_HEIGHT_TO_DISCARD,
|
||||||
/* bandwidthFraction= */ 1.0f,
|
/* bandwidthFraction= */ 1.0f,
|
||||||
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
||||||
/* adaptationCheckpoints= */ ImmutableList.of(),
|
/* adaptationCheckpoints= */ ImmutableList.of(),
|
||||||
@ -668,6 +704,27 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
||||||
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
||||||
durationToRetainAfterDiscardMs,
|
durationToRetainAfterDiscardMs,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_WIDTH_TO_DISCARD,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_HEIGHT_TO_DISCARD,
|
||||||
|
/* bandwidthFraction= */ 1.0f,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
||||||
|
/* adaptationCheckpoints= */ ImmutableList.of(),
|
||||||
|
fakeClock));
|
||||||
|
}
|
||||||
|
|
||||||
|
private AdaptiveTrackSelection prepareAdaptiveTrackSelectionWithMaxResolutionToDiscard(
|
||||||
|
TrackGroup trackGroup, int maxWidthToDiscard, int maxHeightToDiscard) {
|
||||||
|
return prepareTrackSelection(
|
||||||
|
new AdaptiveTrackSelection(
|
||||||
|
trackGroup,
|
||||||
|
selectedAllTracksInGroup(trackGroup),
|
||||||
|
TrackSelection.TYPE_UNSET,
|
||||||
|
mockBandwidthMeter,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
||||||
|
maxWidthToDiscard,
|
||||||
|
maxHeightToDiscard,
|
||||||
/* bandwidthFraction= */ 1.0f,
|
/* bandwidthFraction= */ 1.0f,
|
||||||
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
||||||
/* adaptationCheckpoints= */ ImmutableList.of(),
|
/* adaptationCheckpoints= */ ImmutableList.of(),
|
||||||
@ -685,6 +742,8 @@ public final class AdaptiveTrackSelectionTest {
|
|||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
|
||||||
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
|
||||||
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_WIDTH_TO_DISCARD,
|
||||||
|
AdaptiveTrackSelection.DEFAULT_MAX_HEIGHT_TO_DISCARD,
|
||||||
/* bandwidthFraction= */ 1.0f,
|
/* bandwidthFraction= */ 1.0f,
|
||||||
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
|
||||||
adaptationCheckpoints,
|
adaptationCheckpoints,
|
||||||
|
Loading…
x
Reference in New Issue
Block a user