diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 5c02cbc567..c8efd4c1f5 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -25,6 +25,7 @@
         ([#8103](https://github.com/google/ExoPlayer/issues/8103)).
 *   Track selection:
     *   Add option to specify multiple preferred audio or text languages.
+    *   Forward `Timeline` and `MediaPeriodId` to `TrackSelection.Factory`.
 *   UI:
     *   Show overflow button in `StyledPlayerControlView` only when there is not
         enough space.
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadHelper.java b/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadHelper.java
index ba8a799381..19b6389a6a 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadHelper.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/offline/DownloadHelper.java
@@ -1070,7 +1070,10 @@ public final class DownloadHelper {
 
       @Override
       public @NullableType TrackSelection[] createTrackSelections(
-          @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
+          @NullableType Definition[] definitions,
+          BandwidthMeter bandwidthMeter,
+          MediaPeriodId mediaPeriodId,
+          Timeline timeline) {
         @NullableType TrackSelection[] selections = new TrackSelection[definitions.length];
         for (int i = 0; i < definitions.length; i++) {
           selections[i] =
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/AdaptiveTrackSelection.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/AdaptiveTrackSelection.java
index 3173188cac..e6ad3e869d 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/AdaptiveTrackSelection.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/AdaptiveTrackSelection.java
@@ -21,6 +21,8 @@ import androidx.annotation.CallSuper;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.Timeline;
+import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
 import com.google.android.exoplayer2.source.TrackGroup;
 import com.google.android.exoplayer2.source.chunk.MediaChunk;
 import com.google.android.exoplayer2.source.chunk.MediaChunkIterator;
@@ -129,7 +131,10 @@ public class AdaptiveTrackSelection extends BaseTrackSelection {
 
     @Override
     public final @NullableType TrackSelection[] createTrackSelections(
-        @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
+        @NullableType Definition[] definitions,
+        BandwidthMeter bandwidthMeter,
+        MediaPeriodId mediaPeriodId,
+        Timeline timeline) {
       TrackSelection[] selections = new TrackSelection[definitions.length];
       int totalFixedBandwidth = 0;
       for (int i = 0; i < definitions.length; i++) {
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/DefaultTrackSelector.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/DefaultTrackSelector.java
index c9f0e290c9..8aec101e6d 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/DefaultTrackSelector.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/DefaultTrackSelector.java
@@ -34,6 +34,8 @@ import com.google.android.exoplayer2.RendererCapabilities.AdaptiveSupport;
 import com.google.android.exoplayer2.RendererCapabilities.Capabilities;
 import com.google.android.exoplayer2.RendererCapabilities.FormatSupport;
 import com.google.android.exoplayer2.RendererConfiguration;
+import com.google.android.exoplayer2.Timeline;
+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.Assertions;
@@ -1603,7 +1605,9 @@ public class DefaultTrackSelector extends MappingTrackSelector {
       selectTracks(
           MappedTrackInfo mappedTrackInfo,
           @Capabilities int[][][] rendererFormatSupports,
-          @AdaptiveSupport int[] rendererMixedMimeTypeAdaptationSupports)
+          @AdaptiveSupport int[] rendererMixedMimeTypeAdaptationSupports,
+          MediaPeriodId mediaPeriodId,
+          Timeline timeline)
           throws ExoPlaybackException {
     Parameters params = parametersReference.get();
     int rendererCount = mappedTrackInfo.getRendererCount();
@@ -1636,7 +1640,8 @@ public class DefaultTrackSelector extends MappingTrackSelector {
 
     @NullableType
     TrackSelection[] rendererTrackSelections =
-        trackSelectionFactory.createTrackSelections(definitions, getBandwidthMeter());
+        trackSelectionFactory.createTrackSelections(
+            definitions, getBandwidthMeter(), mediaPeriodId, timeline);
 
     // Initialize the renderer configurations to the default configuration for all renderers with
     // selections, and null otherwise.
@@ -1665,8 +1670,9 @@ public class DefaultTrackSelector extends MappingTrackSelector {
   // Track selection prior to overrides and disabled flags being applied.
 
   /**
-   * Called from {@link #selectTracks(MappedTrackInfo, int[][][], int[])} to make a track selection
-   * for each renderer, prior to overrides and disabled flags being applied.
+   * Called from {@link #selectTracks(MappedTrackInfo, int[][][], int[], MediaPeriodId, Timeline)}
+   * to make a track selection for each renderer, prior to overrides and disabled flags being
+   * applied.
    *
    * <p>The implementation should not account for overrides and disabled flags. Track selections
    * generated by this method will be overridden to account for these properties.
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java
index fefad00cbd..91b21bac65 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/FixedTrackSelection.java
@@ -17,6 +17,8 @@ package com.google.android.exoplayer2.trackselection;
 
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
+import com.google.android.exoplayer2.Timeline;
+import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
 import com.google.android.exoplayer2.source.TrackGroup;
 import com.google.android.exoplayer2.source.chunk.MediaChunk;
 import com.google.android.exoplayer2.source.chunk.MediaChunkIterator;
@@ -57,7 +59,10 @@ public final class FixedTrackSelection extends BaseTrackSelection {
 
     @Override
     public @NullableType TrackSelection[] createTrackSelections(
-        @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
+        @NullableType Definition[] definitions,
+        BandwidthMeter bandwidthMeter,
+        MediaPeriodId mediaPeriodId,
+        Timeline timeline) {
       return TrackSelectionUtil.createTrackSelectionsForDefinitions(
           definitions,
           definition ->
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java
index 16c63353ee..3086027e1d 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/MappingTrackSelector.java
@@ -355,7 +355,7 @@ public abstract class MappingTrackSelector extends TrackSelector {
   public final TrackSelectorResult selectTracks(
       RendererCapabilities[] rendererCapabilities,
       TrackGroupArray trackGroups,
-      MediaPeriodId periodId,
+      MediaPeriodId mediaPeriodId,
       Timeline timeline)
       throws ExoPlaybackException {
     // Structures into which data will be written during the selection. The extra item at the end
@@ -431,7 +431,11 @@ public abstract class MappingTrackSelector extends TrackSelector {
 
     Pair<@NullableType RendererConfiguration[], @NullableType TrackSelection[]> result =
         selectTracks(
-            mappedTrackInfo, rendererFormatSupports, rendererMixedMimeTypeAdaptationSupports);
+            mappedTrackInfo,
+            rendererFormatSupports,
+            rendererMixedMimeTypeAdaptationSupports,
+            mediaPeriodId,
+            timeline);
     return new TrackSelectorResult(result.first, result.second, mappedTrackInfo);
   }
 
@@ -443,6 +447,9 @@ public abstract class MappingTrackSelector extends TrackSelector {
    *     renderer, track group and track (in that order).
    * @param rendererMixedMimeTypeAdaptationSupport The {@link AdaptiveSupport} for mixed MIME type
    *     adaptation for the renderer.
+   * @param mediaPeriodId The {@link MediaPeriodId} of the period for which tracks are to be
+   *     selected.
+   * @param timeline The {@link Timeline} holding the period for which tracks are to be selected.
    * @return A pair consisting of the track selections and configurations for each renderer. A null
    *     configuration indicates the renderer should be disabled, in which case the track selection
    *     will also be null. A track selection may also be null for a non-disabled renderer if {@link
@@ -453,7 +460,9 @@ public abstract class MappingTrackSelector extends TrackSelector {
       selectTracks(
           MappedTrackInfo mappedTrackInfo,
           @Capabilities int[][][] rendererFormatSupports,
-          @AdaptiveSupport int[] rendererMixedMimeTypeAdaptationSupport)
+          @AdaptiveSupport int[] rendererMixedMimeTypeAdaptationSupport,
+          MediaPeriodId mediaPeriodId,
+          Timeline timeline)
           throws ExoPlaybackException;
 
   /**
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/RandomTrackSelection.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/RandomTrackSelection.java
index 4b9b72715a..5f0ab76d6f 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/RandomTrackSelection.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/RandomTrackSelection.java
@@ -18,6 +18,8 @@ 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.Timeline;
+import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
 import com.google.android.exoplayer2.source.TrackGroup;
 import com.google.android.exoplayer2.source.chunk.MediaChunk;
 import com.google.android.exoplayer2.source.chunk.MediaChunkIterator;
@@ -51,7 +53,10 @@ public final class RandomTrackSelection extends BaseTrackSelection {
 
     @Override
     public @NullableType TrackSelection[] createTrackSelections(
-        @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
+        @NullableType Definition[] definitions,
+        BandwidthMeter bandwidthMeter,
+        MediaPeriodId mediaPeriodId,
+        Timeline timeline) {
       return TrackSelectionUtil.createTrackSelectionsForDefinitions(
           definitions,
           definition -> new RandomTrackSelection(definition.group, definition.tracks, random));
diff --git a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelection.java b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelection.java
index 5e703438f8..c41d19f083 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelection.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/trackselection/TrackSelection.java
@@ -18,6 +18,8 @@ package com.google.android.exoplayer2.trackselection;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.Timeline;
+import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
 import com.google.android.exoplayer2.source.TrackGroup;
 import com.google.android.exoplayer2.source.chunk.Chunk;
 import com.google.android.exoplayer2.source.chunk.MediaChunk;
@@ -84,12 +86,18 @@ public interface TrackSelection {
      *
      * @param definitions A {@link Definition} array. May include null values.
      * @param bandwidthMeter A {@link BandwidthMeter} which can be used to select tracks.
+     * @param mediaPeriodId The {@link MediaPeriodId} of the period for which tracks are to be
+     *     selected.
+     * @param timeline The {@link Timeline} holding the period for which tracks are to be selected.
      * @return The created selections. Must have the same length as {@code definitions} and may
      *     include null values.
      */
     @NullableType
     TrackSelection[] createTrackSelections(
-        @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter);
+        @NullableType Definition[] definitions,
+        BandwidthMeter bandwidthMeter,
+        MediaPeriodId mediaPeriodId,
+        Timeline timeline);
   }
 
   /**
diff --git a/library/core/src/test/java/com/google/android/exoplayer2/trackselection/MappingTrackSelectorTest.java b/library/core/src/test/java/com/google/android/exoplayer2/trackselection/MappingTrackSelectorTest.java
index 5d5508f3cd..2abff49fd0 100644
--- a/library/core/src/test/java/com/google/android/exoplayer2/trackselection/MappingTrackSelectorTest.java
+++ b/library/core/src/test/java/com/google/android/exoplayer2/trackselection/MappingTrackSelectorTest.java
@@ -131,7 +131,7 @@ public final class MappingTrackSelectorTest {
 
   /**
    * A {@link MappingTrackSelector} that stashes the {@link MappedTrackInfo} passed to {@link
-   * #selectTracks(MappedTrackInfo, int[][][], int[])}.
+   * #selectTracks(MappedTrackInfo, int[][][], int[], MediaPeriodId, Timeline)}.
    */
   private static final class FakeMappingTrackSelector extends MappingTrackSelector {
 
@@ -141,8 +141,9 @@ public final class MappingTrackSelectorTest {
     protected Pair<RendererConfiguration[], TrackSelection[]> selectTracks(
         MappedTrackInfo mappedTrackInfo,
         @Capabilities int[][][] rendererFormatSupports,
-        @AdaptiveSupport int[] rendererMixedMimeTypeAdaptationSupports)
-        throws ExoPlaybackException {
+        @AdaptiveSupport int[] rendererMixedMimeTypeAdaptationSupports,
+        MediaPeriodId mediaPeriodId,
+        Timeline timeline) {
       int rendererCount = mappedTrackInfo.getRendererCount();
       lastMappedTrackInfo = mappedTrackInfo;
       return Pair.create(
@@ -156,7 +157,6 @@ public final class MappingTrackSelectorTest {
         assertThat(rendererTrackGroupArray.get(i)).isEqualTo(expected[i]);
       }
     }
-
   }
 
   /**
diff --git a/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelector.java b/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelector.java
index 3b44e62107..15d613563e 100644
--- a/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelector.java
+++ b/testutils/src/main/java/com/google/android/exoplayer2/testutil/FakeTrackSelector.java
@@ -18,6 +18,8 @@ package com.google.android.exoplayer2.testutil;
 import androidx.test.core.app.ApplicationProvider;
 import com.google.android.exoplayer2.RendererCapabilities.AdaptiveSupport;
 import com.google.android.exoplayer2.RendererCapabilities.Capabilities;
+import com.google.android.exoplayer2.Timeline;
+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.trackselection.DefaultTrackSelector;
@@ -85,7 +87,10 @@ public class FakeTrackSelector extends DefaultTrackSelector {
 
     @Override
     public TrackSelection[] createTrackSelections(
-        TrackSelection.@NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
+        TrackSelection.@NullableType Definition[] definitions,
+        BandwidthMeter bandwidthMeter,
+        MediaPeriodId mediaPeriodId,
+        Timeline timeline) {
       TrackSelection[] selections = new TrackSelection[definitions.length];
       for (int i = 0; i < definitions.length; i++) {
         TrackSelection.Definition definition = definitions[i];