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Commit ee14d51d by bachinger
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Merge pull request #9413 from jaeho-lee104:feature/dev-2-abr-option 

PiperOrigin-RevId: 399510059
parents f39dba0c 00533631
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Showing with 71 additions and 12 deletions
library/core/src/test/java/com/google/android/exoplayer2/trackselection/AdaptiveTrackSelectionTest.java
......@@ -232,10 +232,7 @@ public final class AdaptiveTrackSelectionTest {
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
FakeMediaChunk chunk3 =
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
List<FakeMediaChunk> queue = new ArrayList<>();
queue.add(chunk1);
queue.add(chunk2);
queue.add(chunk3);
List<FakeMediaChunk> queue = ImmutableList.of(chunk1, chunk2, chunk3);
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
AdaptiveTrackSelection adaptiveTrackSelection = prepareAdaptiveTrackSelection(trackGroup);
......@@ -257,10 +254,7 @@ public final class AdaptiveTrackSelectionTest {
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
FakeMediaChunk chunk3 =
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
List<FakeMediaChunk> queue = new ArrayList<>();
queue.add(chunk1);
queue.add(chunk2);
queue.add(chunk3);
List<FakeMediaChunk> queue = ImmutableList.of(chunk1, chunk2, chunk3);
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
AdaptiveTrackSelection adaptiveTrackSelection =
......@@ -297,10 +291,7 @@ public final class AdaptiveTrackSelectionTest {
new FakeMediaChunk(format1, /* startTimeUs= */ 10_000_000, /* endTimeUs= */ 20_000_000);
FakeMediaChunk chunk3 =
new FakeMediaChunk(format1, /* startTimeUs= */ 20_000_000, /* endTimeUs= */ 30_000_000);
List<FakeMediaChunk> queue = new ArrayList<>();
queue.add(chunk1);
queue.add(chunk2);
queue.add(chunk3);
List<FakeMediaChunk> queue = ImmutableList.of(chunk1, chunk2, chunk3);
when(mockBandwidthMeter.getBitrateEstimate()).thenReturn(500L);
AdaptiveTrackSelection adaptiveTrackSelection =
......@@ -322,6 +313,45 @@ public final class AdaptiveTrackSelectionTest {
}
@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
public void updateSelectedTrack_usesFormatOfLastChunkInTheQueueForSelection() {
Format format1 = videoFormat(/* bitrate= */ 500, /* width= */ 320, /* height= */ 240);
Format format2 = videoFormat(/* bitrate= */ 1000, /* width= */ 640, /* height= */ 480);
......@@ -616,6 +646,8 @@ public final class AdaptiveTrackSelectionTest {
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,
AdaptiveTrackSelection.DEFAULT_MAX_WIDTH_TO_DISCARD,
AdaptiveTrackSelection.DEFAULT_MAX_HEIGHT_TO_DISCARD,
bandwidthFraction,
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
/* adaptationCheckpoints= */ ImmutableList.of(),
......@@ -633,6 +665,8 @@ public final class AdaptiveTrackSelectionTest {
minDurationForQualityIncreaseMs,
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_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,
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
/* adaptationCheckpoints= */ ImmutableList.of(),
......@@ -650,6 +684,8 @@ public final class AdaptiveTrackSelectionTest {
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
maxDurationForQualityDecreaseMs,
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_TO_RETAIN_AFTER_DISCARD_MS,
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(),
......@@ -668,6 +704,27 @@ public final class AdaptiveTrackSelectionTest {
AdaptiveTrackSelection.DEFAULT_MIN_DURATION_FOR_QUALITY_INCREASE_MS,
AdaptiveTrackSelection.DEFAULT_MAX_DURATION_FOR_QUALITY_DECREASE_MS,
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,
AdaptiveTrackSelection.DEFAULT_BUFFERED_FRACTION_TO_LIVE_EDGE_FOR_QUALITY_INCREASE,
/* adaptationCheckpoints= */ ImmutableList.of(),
......@@ -685,6 +742,8 @@ public final class AdaptiveTrackSelectionTest {
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,
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,
......
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