Use ms for SeekWindow, for consistency with Timeline

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=129868070

library/src/main/java/com/google/android/exoplayer2/source/SeekWindow.java

@@ -20,7 +20,32 @@ package com.google.android.exoplayer2.source;
  */
 public final class SeekWindow {
 
-  public static final SeekWindow UNSEEKABLE = new SeekWindow(0);
+  public static final SeekWindow UNSEEKABLE = createWindowFromZero(0);
+
+  /**
+   * Creates a new {@link SeekWindow} containing times from zero up to {@code durationUs} in the
+   * first period.
+   *
+   * @param durationUs The duration of the window, in microseconds.
+   */
+  public static SeekWindow createWindowFromZero(long durationUs) {
+    return createWindow(0, 0, 0, durationUs);
+  }
+
+  /**
+   * Creates a new {@link SeekWindow} representing the specified time range.
+   *
+   * @param startPeriodIndex The index of the period containing the start of the window.
+   * @param startTimeUs The start time of the window in microseconds, relative to the start of the
+   *     specified start period.
+   * @param endPeriodIndex The index of the period containing the end of the window.
+   * @param endTimeUs = The end time of the window in microseconds, relative to the start of the
+   *     specified end period.
+   */
+  public static SeekWindow createWindow(int startPeriodIndex, long startTimeUs,
+      int endPeriodIndex, long endTimeUs) {
+    return new SeekWindow(startPeriodIndex, startTimeUs / 1000, endPeriodIndex, endTimeUs / 1000);
+  }
 
   /**
    * The period index at the start of the window.
@@ -28,44 +53,24 @@ public final class SeekWindow {
   public final int startPeriodIndex;
   /**
    * The time at the start of the window relative to the start of the period at
-   * {@link #startPeriodIndex}, in microseconds.
+   * {@link #startPeriodIndex}, in milliseconds.
    */
-  public final long startTimeUs;
+  public final long startTimeMs;
   /**
    * The period index at the end of the window.
    */
   public final int endPeriodIndex;
   /**
    * The time at the end of the window relative to the start of the period at
-   * {@link #endPeriodIndex}, in microseconds.
+   * {@link #endPeriodIndex}, in milliseconds.
    */
-  public final long endTimeUs;
+  public final long endTimeMs;
 
-  /**
-   * Constructs a new {@link SeekWindow} containing times from zero up to {@code durationUs} in the
-   * first period.
-   *
-   * @param durationUs The duration of the window, in microseconds.
-   */
-  public SeekWindow(long durationUs) {
-    this(0, 0, 0, durationUs);
-  }
-
-  /**
-   * Constructs a new {@link SeekWindow} representing the specified time range.
-   *
-   * @param startPeriodIndex The index of the period containing the start of the window.
-   * @param startTimeUs The start time of the window in microseconds, relative to the start of the
-   *     specified start period.
-   * @param endPeriodIndex The index of the period containing the end of the window.
-   * @param endTimeUs The end time of the window in microseconds, relative to the start of the
-   *     specified end period.
-   */
-  public SeekWindow(int startPeriodIndex, long startTimeUs, int endPeriodIndex, long endTimeUs) {
+  private SeekWindow(int startPeriodIndex, long startTimeMs, int endPeriodIndex, long endTimeMs) {
     this.startPeriodIndex = startPeriodIndex;
-    this.startTimeUs = startTimeUs;
+    this.startTimeMs = startTimeMs;
     this.endPeriodIndex = endPeriodIndex;
-    this.endTimeUs = endTimeUs;
+    this.endTimeMs = endTimeMs;
   }
 
   /**
@@ -76,17 +81,17 @@ public final class SeekWindow {
    * @return A new seek window that is offset by the specified number of periods.
    */
   public SeekWindow copyOffsetByPeriodCount(int periodCount) {
-    return new SeekWindow(startPeriodIndex + periodCount, startTimeUs, endPeriodIndex + periodCount,
-        endTimeUs);
+    return new SeekWindow(startPeriodIndex + periodCount, startTimeMs, endPeriodIndex + periodCount,
+        endTimeMs);
   }
 
   @Override
   public int hashCode() {
     int result = 17;
     result = 31 * result + startPeriodIndex;
-    result = 31 * result + (int) startTimeUs;
+    result = 31 * result + (int) startTimeMs;
     result = 31 * result + endPeriodIndex;
-    result = 31 * result + (int) endTimeUs;
+    result = 31 * result + (int) endTimeMs;
     return result;
   }
 
@@ -100,15 +105,15 @@ public final class SeekWindow {
     }
     SeekWindow other = (SeekWindow) obj;
     return other.startPeriodIndex == startPeriodIndex
-        && other.startTimeUs == startTimeUs
+        && other.startTimeMs == startTimeMs
         && other.endPeriodIndex == endPeriodIndex
-        && other.endTimeUs == endTimeUs;
+        && other.endTimeMs == endTimeMs;
   }
 
   @Override
   public String toString() {
-    return "SeekWindow[" + startPeriodIndex + ", " + startTimeUs + ", " + endPeriodIndex + ", "
-        + endTimeUs + "]";
+    return "SeekWindow[" + startPeriodIndex + ", " + startTimeMs + ", " + endPeriodIndex + ", "
+        + endTimeMs + "]";
   }
 
 }

library/src/main/java/com/google/android/exoplayer2/source/SinglePeriodTimeline.java

@@ -64,7 +64,8 @@ public final class SinglePeriodTimeline implements Timeline {
    * @return A new, seekable, final timeline with one period.
    */
   public static Timeline createSeekableFinalTimeline(Object id, long durationUs) {
-    return new SinglePeriodTimeline(id, true, durationUs / 1000, new SeekWindow(durationUs));
+    return new SinglePeriodTimeline(id, true, durationUs / 1000,
+        SeekWindow.createWindowFromZero(durationUs));
   }
 
   private final Object id;

library/src/main/java/com/google/android/exoplayer2/source/dash/DashMediaSource.java

@@ -61,10 +61,10 @@ public final class DashMediaSource implements MediaSource {
    */
   private static final int NOTIFY_MANIFEST_INTERVAL_MS = 5000;
   /**
-   * The offset in microseconds subtracted from the live edge position when calculating the default
+   * The offset in milliseconds subtracted from the live edge position when calculating the default
    * position returned by {@link #getDefaultStartPosition(int)}.
    */
-  private static final long LIVE_EDGE_OFFSET_US = 30000000;
+  private static final long LIVE_EDGE_OFFSET_MS = 30000;
 
   private static final String TAG = "DashMediaSource";
 
@@ -165,14 +165,14 @@ public final class DashMediaSource implements MediaSource {
     if (index == 0 && manifest.dynamic) {
       // The stream is live, so return a position a position offset from the live edge.
       int periodIndex = seekWindow.endPeriodIndex;
-      long positionUs = seekWindow.endTimeUs - LIVE_EDGE_OFFSET_US;
-      while (positionUs < 0 && periodIndex > seekWindow.startPeriodIndex) {
+      long positionMs = seekWindow.endTimeMs - LIVE_EDGE_OFFSET_MS;
+      while (positionMs < 0 && periodIndex > seekWindow.startPeriodIndex) {
         periodIndex--;
-        positionUs += manifest.getPeriodDurationUs(periodIndex);
+        positionMs += manifest.getPeriodDurationMs(periodIndex);
       }
-      positionUs = Math.max(positionUs,
-          periodIndex == seekWindow.startPeriodIndex ? seekWindow.startTimeUs : 0);
-      return new Position(periodIndex, positionUs);
+      positionMs = Math.max(positionMs,
+          periodIndex == seekWindow.startPeriodIndex ? seekWindow.startTimeMs : 0);
+      return new Position(periodIndex, positionMs * 1000);
     }
     return new Position(index, 0);
   }
@@ -396,7 +396,7 @@ public final class DashMediaSource implements MediaSource {
       currentStartTimeUs = firstPeriodSeekInfo.availableStartTimeUs;
       currentEndTimeUs = lastPeriodSeekInfo.availableEndTimeUs;
     }
-    seekWindow = new SeekWindow(0, currentStartTimeUs, lastPeriodIndex, currentEndTimeUs);
+    seekWindow = SeekWindow.createWindow(0, currentStartTimeUs, lastPeriodIndex, currentEndTimeUs);
 
     DashMediaPeriod[] mediaPeriods =
         periods.toArray(new DashMediaPeriod[manifest.getPeriodCount()]);

library/src/main/java/com/google/android/exoplayer2/source/smoothstreaming/SsMediaSource.java

@@ -48,10 +48,10 @@ public final class SsMediaSource implements MediaSource,
    */
   public static final int DEFAULT_MIN_LOADABLE_RETRY_COUNT = 3;
   /**
-   * The offset in microseconds subtracted from the live edge position when calculating the default
+   * The offset in milliseconds subtracted from the live edge position when calculating the default
    * position returned by {@link #getDefaultStartPosition(int)}.
    */
-  private static final long LIVE_EDGE_OFFSET_US = 30000000;
+  private static final long LIVE_EDGE_OFFSET_MS = 30000;
 
   private static final int MINIMUM_MANIFEST_REFRESH_PERIOD_MS = 5000;
 
@@ -114,8 +114,8 @@ public final class SsMediaSource implements MediaSource,
       return null;
     }
     if (manifest.isLive) {
-      long startPositionUs = Math.max(seekWindow.startTimeUs,
-          seekWindow.endTimeUs - LIVE_EDGE_OFFSET_US);
+      long startPositionUs = Math.max(seekWindow.startTimeMs,
+          seekWindow.endTimeMs - LIVE_EDGE_OFFSET_MS) * 1000;
       return new Position(0, startPositionUs);
     }
     return Position.DEFAULT;
@@ -172,7 +172,7 @@ public final class SsMediaSource implements MediaSource,
         timeline = SinglePeriodTimeline.createNonFinalTimeline(this);
       } else {
         timeline = SinglePeriodTimeline.createNonFinalTimeline(this,
-            new SeekWindow(0, startTimeUs, 0, startTimeUs + manifest.dvrWindowLengthUs));
+            SeekWindow.createWindow(0, startTimeUs, 0, startTimeUs + manifest.dvrWindowLengthUs));
       }
     } else if (manifest.durationUs == C.UNSET_TIME_US) {
       timeline = SinglePeriodTimeline.createUnseekableFinalTimeline(this, C.UNSET_TIME_US);