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Commit aafe5f48 by olly Committed by Ian Baker
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DownloadHelper: Add getTracksInfo 

We will be migrating our track selection UI components to be
based on TracksInfo. We need DownloadHelper to expose TracksInfo
to make it compatible with such components.

PiperOrigin-RevId: 432474487
parent 3f615040
Inline Side-by-side
Showing with 254 additions and 108 deletions
library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadHelper.java
......@@ -32,6 +32,7 @@ import com.google.android.exoplayer2.Renderer;
import com.google.android.exoplayer2.RendererCapabilities;
import com.google.android.exoplayer2.RenderersFactory;
import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.TracksInfo;
import com.google.android.exoplayer2.analytics.PlayerId;
import com.google.android.exoplayer2.audio.AudioRendererEventListener;
import com.google.android.exoplayer2.drm.DrmSessionManager;
......@@ -52,6 +53,7 @@ import com.google.android.exoplayer2.trackselection.ExoTrackSelection;
import com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo;
import com.google.android.exoplayer2.trackselection.TrackSelectionOverride;
import com.google.android.exoplayer2.trackselection.TrackSelectionParameters;
import com.google.android.exoplayer2.trackselection.TrackSelectionUtil;
import com.google.android.exoplayer2.trackselection.TrackSelectorResult;
import com.google.android.exoplayer2.upstream.Allocator;
import com.google.android.exoplayer2.upstream.BandwidthMeter;
......@@ -541,6 +543,20 @@ public final class DownloadHelper {
}
/**
* Returns {@link TracksInfo} for the given period. Must not be called until after preparation
* completes.
*
* @param periodIndex The period index.
* @return The {@link TracksInfo} for the period. May be {@link TracksInfo#EMPTY} for single
* stream content.
*/
public TracksInfo getTracksInfo(int periodIndex) {
assertPreparedWithMedia();
return TrackSelectionUtil.buildTracksInfo(
mappedTrackInfos[periodIndex], immutableTrackSelectionsByPeriodAndRenderer[periodIndex]);
}
/**
* Returns the track groups for the given period. Must not be called until after preparation
* completes.
*
......
library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java
......@@ -41,7 +41,6 @@ import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.util.Util;
import com.google.common.collect.ImmutableList;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
......@@ -426,7 +425,7 @@ public abstract class MappingTrackSelector extends TrackSelector {
periodId,
timeline);
TracksInfo tracksInfo = buildTracksInfo(result.second, mappedTrackInfo);
TracksInfo tracksInfo = TrackSelectionUtil.buildTracksInfo(mappedTrackInfo, result.second);
return new TrackSelectorResult(result.first, result.second, tracksInfo, mappedTrackInfo);
}
......@@ -556,48 +555,4 @@ public abstract class MappingTrackSelector extends TrackSelector {
}
return mixedMimeTypeAdaptationSupport;
}
@VisibleForTesting
/* package */ static TracksInfo buildTracksInfo(
@NullableType TrackSelection[] selections, MappedTrackInfo mappedTrackInfo) {
ImmutableList.Builder<TracksInfo.TrackGroupInfo> builder = new ImmutableList.Builder<>();
for (int rendererIndex = 0;
rendererIndex < mappedTrackInfo.getRendererCount();
rendererIndex++) {
TrackGroupArray trackGroupArray = mappedTrackInfo.getTrackGroups(rendererIndex);
@Nullable TrackSelection trackSelection = selections[rendererIndex];
for (int groupIndex = 0; groupIndex < trackGroupArray.length; groupIndex++) {
TrackGroup trackGroup = trackGroupArray.get(groupIndex);
boolean adaptiveSupported =
mappedTrackInfo.getAdaptiveSupport(
rendererIndex, groupIndex, /* includeCapabilitiesExceededTracks= */ false)
!= RendererCapabilities.ADAPTIVE_NOT_SUPPORTED;
@C.FormatSupport int[] trackSupport = new int[trackGroup.length];
boolean[] selected = new boolean[trackGroup.length];
for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
trackSupport[trackIndex] =
mappedTrackInfo.getTrackSupport(rendererIndex, groupIndex, trackIndex);
boolean isTrackSelected =
trackSelection != null
&& trackSelection.getTrackGroup().equals(trackGroup)
&& trackSelection.indexOf(trackIndex) != C.INDEX_UNSET;
selected[trackIndex] = isTrackSelected;
}
builder.add(
new TracksInfo.TrackGroupInfo(trackGroup, adaptiveSupported, trackSupport, selected));
}
}
TrackGroupArray unmappedTrackGroups = mappedTrackInfo.getUnmappedTrackGroups();
for (int groupIndex = 0; groupIndex < unmappedTrackGroups.length; groupIndex++) {
TrackGroup trackGroup = unmappedTrackGroups.get(groupIndex);
@C.FormatSupport int[] trackSupport = new int[trackGroup.length];
Arrays.fill(trackSupport, C.FORMAT_UNSUPPORTED_TYPE);
// A track group only contains tracks of the same type, thus only consider the first track.
boolean[] selected = new boolean[trackGroup.length]; // Initialized to false.
builder.add(
new TracksInfo.TrackGroupInfo(
trackGroup, /* adaptiveSupported= */ false, trackSupport, selected));
}
return new TracksInfo(builder.build());
}
}
library/core/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelectionUtil.java
......@@ -17,10 +17,18 @@ package com.google.android.exoplayer2.trackselection;
import android.os.SystemClock;
import androidx.annotation.Nullable;
import com.google.android.exoplayer2.C;
import com.google.android.exoplayer2.RendererCapabilities;
import com.google.android.exoplayer2.TracksInfo;
import com.google.android.exoplayer2.TracksInfo.TrackGroupInfo;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector.SelectionOverride;
import com.google.android.exoplayer2.trackselection.ExoTrackSelection.Definition;
import com.google.android.exoplayer2.upstream.LoadErrorHandlingPolicy;
import com.google.common.collect.ImmutableList;
import java.util.Arrays;
import java.util.List;
import org.checkerframework.checker.nullness.compatqual.NullableType;
/** Track selection related utility methods. */
......@@ -124,4 +132,81 @@ public final class TrackSelectionUtil {
numberOfTracks,
numberOfExcludedTracks);
}
/**
* Returns {@link TracksInfo} built from {@link MappingTrackSelector.MappedTrackInfo} and {@link
* TrackSelection TrackSelections} for each renderer.
*
* @param mappedTrackInfo The {@link MappingTrackSelector.MappedTrackInfo}
* @param selections The track selections, indexed by renderer. A null entry indicates that a
* renderer does not have any selected tracks.
* @return The corresponding {@link TracksInfo}.
*/
@SuppressWarnings({"unchecked", "rawtypes"}) // Initialization of array of Lists.
public static TracksInfo buildTracksInfo(
MappingTrackSelector.MappedTrackInfo mappedTrackInfo,
@NullableType TrackSelection[] selections) {
List<? extends TrackSelection>[] listSelections = new List[selections.length];
for (int i = 0; i < selections.length; i++) {
@Nullable TrackSelection selection = selections[i];
listSelections[i] = selection != null ? ImmutableList.of(selection) : ImmutableList.of();
}
return buildTracksInfo(mappedTrackInfo, listSelections);
}
/**
* Returns {@link TracksInfo} built from {@link MappingTrackSelector.MappedTrackInfo} and {@link
* TrackSelection TrackSelections} for each renderer.
*
* @param mappedTrackInfo The {@link MappingTrackSelector.MappedTrackInfo}
* @param selections The track selections, indexed by renderer. Null entries are not permitted. An
* empty list indicates that a renderer does not have any selected tracks.
* @return The corresponding {@link TracksInfo}.
*/
public static TracksInfo buildTracksInfo(
MappingTrackSelector.MappedTrackInfo mappedTrackInfo,
List<? extends TrackSelection>[] selections) {
ImmutableList.Builder<TrackGroupInfo> trackGroupInfos = new ImmutableList.Builder<>();
for (int rendererIndex = 0;
rendererIndex < mappedTrackInfo.getRendererCount();
rendererIndex++) {
TrackGroupArray trackGroupArray = mappedTrackInfo.getTrackGroups(rendererIndex);
List<? extends TrackSelection> rendererTrackSelections = selections[rendererIndex];
for (int groupIndex = 0; groupIndex < trackGroupArray.length; groupIndex++) {
TrackGroup trackGroup = trackGroupArray.get(groupIndex);
boolean adaptiveSupported =
mappedTrackInfo.getAdaptiveSupport(
rendererIndex, groupIndex, /* includeCapabilitiesExceededTracks= */ false)
!= RendererCapabilities.ADAPTIVE_NOT_SUPPORTED;
@C.FormatSupport int[] trackSupport = new int[trackGroup.length];
boolean[] selected = new boolean[trackGroup.length];
for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
trackSupport[trackIndex] =
mappedTrackInfo.getTrackSupport(rendererIndex, groupIndex, trackIndex);
boolean isTrackSelected = false;
for (int i = 0; i < rendererTrackSelections.size(); i++) {
TrackSelection trackSelection = rendererTrackSelections.get(i);
if (trackSelection.getTrackGroup().equals(trackGroup)
&& trackSelection.indexOf(trackIndex) != C.INDEX_UNSET) {
isTrackSelected = true;
break;
}
}
selected[trackIndex] = isTrackSelected;
}
trackGroupInfos.add(
new TrackGroupInfo(trackGroup, adaptiveSupported, trackSupport, selected));
}
}
TrackGroupArray unmappedTrackGroups = mappedTrackInfo.getUnmappedTrackGroups();
for (int groupIndex = 0; groupIndex < unmappedTrackGroups.length; groupIndex++) {
TrackGroup trackGroup = unmappedTrackGroups.get(groupIndex);
@C.FormatSupport int[] trackSupport = new int[trackGroup.length];
Arrays.fill(trackSupport, C.FORMAT_UNSUPPORTED_TYPE);
boolean[] selected = new boolean[trackGroup.length];
trackGroupInfos.add(
new TrackGroupInfo(trackGroup, /* adaptiveSupported= */ false, trackSupport, selected));
}
return new TracksInfo(trackGroupInfos.build());
}
}
library/core/src/test/java/com/google/android/exoplayer2/trackselection/MappingTrackSelectorTest.java
......@@ -16,7 +16,6 @@
package com.google.android.exoplayer2.trackselection;
import static com.google.android.exoplayer2.util.MimeTypes.AUDIO_AAC;
import static com.google.android.exoplayer2.util.MimeTypes.VIDEO_H264;
import static com.google.common.truth.Truth.assertThat;
import android.util.Pair;
......@@ -29,15 +28,12 @@ import com.google.android.exoplayer2.RendererCapabilities.AdaptiveSupport;
import com.google.android.exoplayer2.RendererCapabilities.Capabilities;
import com.google.android.exoplayer2.RendererConfiguration;
import com.google.android.exoplayer2.Timeline;
import com.google.android.exoplayer2.TracksInfo;
import com.google.android.exoplayer2.TracksInfo.TrackGroupInfo;
import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.android.exoplayer2.testutil.FakeTimeline;
import com.google.android.exoplayer2.util.MimeTypes;
import com.google.android.exoplayer2.util.Util;
import com.google.common.collect.ImmutableList;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
......@@ -139,64 +135,6 @@ public final class MappingTrackSelectorTest {
return new TrackGroup(new Format.Builder().setSampleMimeType(sampleMimeType).build());
}
@Test
public void buildTrackInfos_withTestValues_isAsExpected() {
MappingTrackSelector.MappedTrackInfo mappedTrackInfo =
new MappingTrackSelector.MappedTrackInfo(
new String[] {"1", "2"},
new int[] {C.TRACK_TYPE_AUDIO, C.TRACK_TYPE_VIDEO},
new TrackGroupArray[] {
new TrackGroupArray(
new TrackGroup("0", new Format.Builder().setSampleMimeType(AUDIO_AAC).build()),
new TrackGroup("1", new Format.Builder().setSampleMimeType(AUDIO_AAC).build())),
new TrackGroupArray(
new TrackGroup(
"2",
new Format.Builder().setSampleMimeType(VIDEO_H264).build(),
new Format.Builder().setSampleMimeType(VIDEO_H264).build()))
},
new int[] {
RendererCapabilities.ADAPTIVE_SEAMLESS, RendererCapabilities.ADAPTIVE_NOT_SUPPORTED
},
new int[][][] {
new int[][] {new int[] {C.FORMAT_HANDLED}, new int[] {C.FORMAT_UNSUPPORTED_SUBTYPE}},
new int[][] {new int[] {C.FORMAT_UNSUPPORTED_DRM, C.FORMAT_EXCEEDS_CAPABILITIES}}
},
new TrackGroupArray(new TrackGroup(new Format.Builder().build())));
TrackSelection[] selections =
new TrackSelection[] {
new FixedTrackSelection(mappedTrackInfo.getTrackGroups(0).get(1), 0),
new FixedTrackSelection(mappedTrackInfo.getTrackGroups(1).get(0), 1)
};
TracksInfo tracksInfo = MappingTrackSelector.buildTracksInfo(selections, mappedTrackInfo);
ImmutableList<TrackGroupInfo> trackGroupInfos = tracksInfo.getTrackGroupInfos();
assertThat(trackGroupInfos).hasSize(4);
assertThat(trackGroupInfos.get(0).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(0).get(0));
assertThat(trackGroupInfos.get(1).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(0).get(1));
assertThat(trackGroupInfos.get(2).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(1).get(0));
assertThat(trackGroupInfos.get(3).getTrackGroup())
.isEqualTo(mappedTrackInfo.getUnmappedTrackGroups().get(0));
assertThat(trackGroupInfos.get(0).getTrackSupport(0)).isEqualTo(C.FORMAT_HANDLED);
assertThat(trackGroupInfos.get(1).getTrackSupport(0)).isEqualTo(C.FORMAT_UNSUPPORTED_SUBTYPE);
assertThat(trackGroupInfos.get(2).getTrackSupport(0)).isEqualTo(C.FORMAT_UNSUPPORTED_DRM);
assertThat(trackGroupInfos.get(2).getTrackSupport(1)).isEqualTo(C.FORMAT_EXCEEDS_CAPABILITIES);
assertThat(trackGroupInfos.get(3).getTrackSupport(0)).isEqualTo(C.FORMAT_UNSUPPORTED_TYPE);
assertThat(trackGroupInfos.get(0).isTrackSelected(0)).isFalse();
assertThat(trackGroupInfos.get(1).isTrackSelected(0)).isTrue();
assertThat(trackGroupInfos.get(2).isTrackSelected(0)).isFalse();
assertThat(trackGroupInfos.get(2).isTrackSelected(1)).isTrue();
assertThat(trackGroupInfos.get(3).isTrackSelected(0)).isFalse();
assertThat(trackGroupInfos.get(0).getTrackType()).isEqualTo(C.TRACK_TYPE_AUDIO);
assertThat(trackGroupInfos.get(1).getTrackType()).isEqualTo(C.TRACK_TYPE_AUDIO);
assertThat(trackGroupInfos.get(2).getTrackType()).isEqualTo(C.TRACK_TYPE_VIDEO);
assertThat(trackGroupInfos.get(3).getTrackType()).isEqualTo(C.TRACK_TYPE_UNKNOWN);
}
/**
* A {@link MappingTrackSelector} that stashes the {@link MappedTrackInfo} passed to {@link
* #selectTracks(MappedTrackInfo, int[][][], int[], MediaPeriodId, Timeline)}.
......
library/core/src/test/java/com/google/android/exoplayer2/trackselection/TrackSelectionUtilTest.java 0 → 100644
/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.exoplayer2.trackselection;
import static com.google.android.exoplayer2.C.FORMAT_EXCEEDS_CAPABILITIES;
import static com.google.android.exoplayer2.C.FORMAT_HANDLED;
import static com.google.android.exoplayer2.C.FORMAT_UNSUPPORTED_DRM;
import static com.google.android.exoplayer2.C.FORMAT_UNSUPPORTED_SUBTYPE;
import static com.google.android.exoplayer2.C.FORMAT_UNSUPPORTED_TYPE;
import static com.google.android.exoplayer2.C.TRACK_TYPE_AUDIO;
import static com.google.android.exoplayer2.C.TRACK_TYPE_UNKNOWN;
import static com.google.android.exoplayer2.C.TRACK_TYPE_VIDEO;
import static com.google.android.exoplayer2.RendererCapabilities.ADAPTIVE_NOT_SUPPORTED;
import static com.google.android.exoplayer2.RendererCapabilities.ADAPTIVE_SEAMLESS;
import static com.google.android.exoplayer2.util.MimeTypes.AUDIO_AAC;
import static com.google.android.exoplayer2.util.MimeTypes.AUDIO_OPUS;
import static com.google.android.exoplayer2.util.MimeTypes.VIDEO_H264;
import static com.google.common.truth.Truth.assertThat;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.TracksInfo;
import com.google.android.exoplayer2.TracksInfo.TrackGroupInfo;
import com.google.android.exoplayer2.source.TrackGroup;
import com.google.android.exoplayer2.source.TrackGroupArray;
import com.google.common.collect.ImmutableList;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
/** Unit tests for {@link TrackSelectionUtil}. */
@RunWith(AndroidJUnit4.class)
public class TrackSelectionUtilTest {
@Test
public void buildTrackInfos_withTestValues_isAsExpected() {
MappingTrackSelector.MappedTrackInfo mappedTrackInfo =
new MappingTrackSelector.MappedTrackInfo(
new String[] {"rendererName1", "rendererName2"},
new int[] {TRACK_TYPE_AUDIO, TRACK_TYPE_VIDEO},
new TrackGroupArray[] {
new TrackGroupArray(
new TrackGroup("0", new Format.Builder().setSampleMimeType(AUDIO_AAC).build()),
new TrackGroup("1", new Format.Builder().setSampleMimeType(AUDIO_OPUS).build())),
new TrackGroupArray(
new TrackGroup(
"2",
new Format.Builder().setSampleMimeType(VIDEO_H264).build(),
new Format.Builder().setSampleMimeType(VIDEO_H264).build()))
},
new int[] {ADAPTIVE_SEAMLESS, ADAPTIVE_NOT_SUPPORTED},
new int[][][] {
new int[][] {new int[] {FORMAT_HANDLED}, new int[] {FORMAT_UNSUPPORTED_SUBTYPE}},
new int[][] {new int[] {FORMAT_UNSUPPORTED_DRM, FORMAT_EXCEEDS_CAPABILITIES}}
},
new TrackGroupArray(new TrackGroup(new Format.Builder().build())));
TrackSelection[] selections =
new TrackSelection[] {
new FixedTrackSelection(mappedTrackInfo.getTrackGroups(0).get(1), 0),
new FixedTrackSelection(mappedTrackInfo.getTrackGroups(1).get(0), 1)
};
TracksInfo tracksInfo = TrackSelectionUtil.buildTracksInfo(mappedTrackInfo, selections);
ImmutableList<TracksInfo.TrackGroupInfo> trackGroupInfos = tracksInfo.getTrackGroupInfos();
assertThat(trackGroupInfos).hasSize(4);
assertThat(trackGroupInfos.get(0).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(0).get(0));
assertThat(trackGroupInfos.get(1).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(0).get(1));
assertThat(trackGroupInfos.get(2).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(1).get(0));
assertThat(trackGroupInfos.get(3).getTrackGroup())
.isEqualTo(mappedTrackInfo.getUnmappedTrackGroups().get(0));
assertThat(trackGroupInfos.get(0).getTrackSupport(0)).isEqualTo(FORMAT_HANDLED);
assertThat(trackGroupInfos.get(1).getTrackSupport(0)).isEqualTo(FORMAT_UNSUPPORTED_SUBTYPE);
assertThat(trackGroupInfos.get(2).getTrackSupport(0)).isEqualTo(FORMAT_UNSUPPORTED_DRM);
assertThat(trackGroupInfos.get(2).getTrackSupport(1)).isEqualTo(FORMAT_EXCEEDS_CAPABILITIES);
assertThat(trackGroupInfos.get(3).getTrackSupport(0)).isEqualTo(FORMAT_UNSUPPORTED_TYPE);
assertThat(trackGroupInfos.get(0).isTrackSelected(0)).isFalse();
assertThat(trackGroupInfos.get(1).isTrackSelected(0)).isTrue();
assertThat(trackGroupInfos.get(2).isTrackSelected(0)).isFalse();
assertThat(trackGroupInfos.get(2).isTrackSelected(1)).isTrue();
assertThat(trackGroupInfos.get(3).isTrackSelected(0)).isFalse();
assertThat(trackGroupInfos.get(0).getTrackType()).isEqualTo(TRACK_TYPE_AUDIO);
assertThat(trackGroupInfos.get(1).getTrackType()).isEqualTo(TRACK_TYPE_AUDIO);
assertThat(trackGroupInfos.get(2).getTrackType()).isEqualTo(TRACK_TYPE_VIDEO);
assertThat(trackGroupInfos.get(3).getTrackType()).isEqualTo(TRACK_TYPE_UNKNOWN);
}
@Test
@SuppressWarnings({"unchecked", "rawtypes"}) // Initialization of array of Lists.
public void buildTrackInfos_withMultipleSelectionForRenderer_isAsExpected() {
MappingTrackSelector.MappedTrackInfo mappedTrackInfo =
new MappingTrackSelector.MappedTrackInfo(
new String[] {"rendererName1", "rendererName2"},
new int[] {TRACK_TYPE_AUDIO, TRACK_TYPE_VIDEO},
new TrackGroupArray[] {
new TrackGroupArray(
new TrackGroup("0", new Format.Builder().setSampleMimeType(AUDIO_AAC).build()),
new TrackGroup(
"1",
new Format.Builder().setSampleMimeType(AUDIO_OPUS).setSampleRate(1).build(),
new Format.Builder().setSampleMimeType(AUDIO_OPUS).setSampleRate(2).build())),
new TrackGroupArray()
},
new int[] {ADAPTIVE_SEAMLESS, ADAPTIVE_SEAMLESS},
new int[][][] {
new int[][] {new int[] {FORMAT_HANDLED}, new int[] {FORMAT_HANDLED, FORMAT_HANDLED}},
new int[][] {new int[0]}
},
new TrackGroupArray());
List<TrackSelection>[] selections =
new List[] {
ImmutableList.of(
new FixedTrackSelection(mappedTrackInfo.getTrackGroups(0).get(0), 0),
new FixedTrackSelection(mappedTrackInfo.getTrackGroups(0).get(1), 1)),
ImmutableList.of()
};
TracksInfo tracksInfo = TrackSelectionUtil.buildTracksInfo(mappedTrackInfo, selections);
ImmutableList<TrackGroupInfo> trackGroupInfos = tracksInfo.getTrackGroupInfos();
assertThat(trackGroupInfos).hasSize(2);
assertThat(trackGroupInfos.get(0).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(0).get(0));
assertThat(trackGroupInfos.get(1).getTrackGroup())
.isEqualTo(mappedTrackInfo.getTrackGroups(0).get(1));
assertThat(trackGroupInfos.get(0).getTrackSupport(0)).isEqualTo(FORMAT_HANDLED);
assertThat(trackGroupInfos.get(1).getTrackSupport(0)).isEqualTo(FORMAT_HANDLED);
assertThat(trackGroupInfos.get(1).getTrackSupport(1)).isEqualTo(FORMAT_HANDLED);
assertThat(trackGroupInfos.get(0).isTrackSelected(0)).isTrue();
assertThat(trackGroupInfos.get(1).isTrackSelected(0)).isFalse();
assertThat(trackGroupInfos.get(1).isTrackSelected(1)).isTrue();
assertThat(trackGroupInfos.get(0).getTrackType()).isEqualTo(TRACK_TYPE_AUDIO);
assertThat(trackGroupInfos.get(1).getTrackType()).isEqualTo(TRACK_TYPE_AUDIO);
}
}
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