1 files changed, 141 insertions, 0 deletions
diff --git a/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/MediaPeriodInfo.java b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/MediaPeriodInfo.java
new file mode 100644
index 0000000000..b240fe0f91
--- /dev/null
+++ b/mobile/android/exoplayer2/src/main/java/org/mozilla/thirdparty/com/google/android/exoplayer2/MediaPeriodInfo.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2018 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 org.mozilla.thirdparty.com.google.android.exoplayer2;
+
+import androidx.annotation.Nullable;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.source.MediaPeriod;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
+import org.mozilla.thirdparty.com.google.android.exoplayer2.util.Util;
+
+/** Stores the information required to load and play a {@link MediaPeriod}. */
+/* package */ final class MediaPeriodInfo {
+
+  /** The media period's identifier. */
+  public final MediaPeriodId id;
+  /** The start position of the media to play within the media period, in microseconds. */
+  public final long startPositionUs;
+  /**
+   * If this is an ad, the position to play in the next content media period. {@link C#TIME_UNSET}
+   * if this is not an ad or the next content media period should be played from its default
+   * position.
+   */
+  public final long contentPositionUs;
+  /**
+   * The end position to which the media period's content is clipped in order to play a following ad
+   * group, in microseconds, or {@link C#TIME_UNSET} if there is no following ad group or if this
+   * media period is an ad. The value {@link C#TIME_END_OF_SOURCE} indicates that a postroll ad
+   * follows at the end of this content media period.
+   */
+  public final long endPositionUs;
+  /**
+   * The duration of the media period, like {@link #endPositionUs} but with {@link
+   * C#TIME_END_OF_SOURCE} and {@link C#TIME_UNSET} resolved to the timeline period duration if
+   * known.
+   */
+  public final long durationUs;
+  /**
+   * Whether this is the last media period in its timeline period (e.g., a postroll ad, or a media
+   * period corresponding to a timeline period without ads).
+   */
+  public final boolean isLastInTimelinePeriod;
+  /**
+   * Whether this is the last media period in the entire timeline. If true, {@link
+   * #isLastInTimelinePeriod} will also be true.
+   */
+  public final boolean isFinal;
+
+  MediaPeriodInfo(
+      MediaPeriodId id,
+      long startPositionUs,
+      long contentPositionUs,
+      long endPositionUs,
+      long durationUs,
+      boolean isLastInTimelinePeriod,
+      boolean isFinal) {
+    this.id = id;
+    this.startPositionUs = startPositionUs;
+    this.contentPositionUs = contentPositionUs;
+    this.endPositionUs = endPositionUs;
+    this.durationUs = durationUs;
+    this.isLastInTimelinePeriod = isLastInTimelinePeriod;
+    this.isFinal = isFinal;
+  }
+
+  /**
+   * Returns a copy of this instance with the start position set to the specified value. May return
+   * the same instance if nothing changed.
+   */
+  public MediaPeriodInfo copyWithStartPositionUs(long startPositionUs) {
+    return startPositionUs == this.startPositionUs
+        ? this
+        : new MediaPeriodInfo(
+            id,
+            startPositionUs,
+            contentPositionUs,
+            endPositionUs,
+            durationUs,
+            isLastInTimelinePeriod,
+            isFinal);
+  }
+
+  /**
+   * Returns a copy of this instance with the content position set to the specified value. May
+   * return the same instance if nothing changed.
+   */
+  public MediaPeriodInfo copyWithContentPositionUs(long contentPositionUs) {
+    return contentPositionUs == this.contentPositionUs
+        ? this
+        : new MediaPeriodInfo(
+            id,
+            startPositionUs,
+            contentPositionUs,
+            endPositionUs,
+            durationUs,
+            isLastInTimelinePeriod,
+            isFinal);
+  }
+
+  @Override
+  public boolean equals(@Nullable Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    MediaPeriodInfo that = (MediaPeriodInfo) o;
+    return startPositionUs == that.startPositionUs
+        && contentPositionUs == that.contentPositionUs
+        && endPositionUs == that.endPositionUs
+        && durationUs == that.durationUs
+        && isLastInTimelinePeriod == that.isLastInTimelinePeriod
+        && isFinal == that.isFinal
+        && Util.areEqual(id, that.id);
+  }
+
+  @Override
+  public int hashCode() {
+    int result = 17;
+    result = 31 * result + id.hashCode();
+    result = 31 * result + (int) startPositionUs;
+    result = 31 * result + (int) contentPositionUs;
+    result = 31 * result + (int) endPositionUs;
+    result = 31 * result + (int) durationUs;
+    result = 31 * result + (isLastInTimelinePeriod ? 1 : 0);
+    result = 31 * result + (isFinal ? 1 : 0);
+    return result;
+  }
+}