本文整理了Java中com.google.android.exoplayer2.Timeline.getWindowCount()方法的一些代码示例，展示了Timeline.getWindowCount()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Timeline.getWindowCount()方法的具体详情如下：
包路径：com.google.android.exoplayer2.Timeline
类名称：Timeline
方法名：getWindowCount

Timeline.getWindowCount介绍

[英]Returns the number of windows in the timeline.
[中]返回时间线中的窗口数。

代码示例

代码示例来源：origin: google/ExoPlayer

/**
 * Returns whether the timeline is empty.
 */
public final boolean isEmpty() {
 return getWindowCount() == 0;
}

代码示例来源：origin: google/ExoPlayer

@Override
public int getWindowCount() {
 return timeline.getWindowCount();
}

代码示例来源：origin: google/ExoPlayer

/**
 * Returns the index of the last window in the playback order depending on whether shuffling is
 * enabled.
 *
 * @param shuffleModeEnabled Whether shuffling is enabled.
 * @return The index of the last window in the playback order, or {@link C#INDEX_UNSET} if the
 *     timeline is empty.
 */
public int getLastWindowIndex(boolean shuffleModeEnabled) {
 return isEmpty() ? C.INDEX_UNSET : getWindowCount() - 1;
}

代码示例来源：origin: google/ExoPlayer

/**
 * Asserts that previous window indices for each window depending on the repeat mode and the
 * shuffle mode are equal to the given sequence.
 */
public static void assertPreviousWindowIndices(
  Timeline timeline,
  @Player.RepeatMode int repeatMode,
  boolean shuffleModeEnabled,
  int... expectedPreviousWindowIndices) {
 for (int i = 0; i < timeline.getWindowCount(); i++) {
  assertThat(timeline.getPreviousWindowIndex(i, repeatMode, shuffleModeEnabled))
    .isEqualTo(expectedPreviousWindowIndices[i]);
 }
}

代码示例来源：origin: google/ExoPlayer

/**
 * Asserts that next window indices for each window depending on the repeat mode and the shuffle
 * mode are equal to the given sequence.
 */
public static void assertNextWindowIndices(
  Timeline timeline,
  @Player.RepeatMode int repeatMode,
  boolean shuffleModeEnabled,
  int... expectedNextWindowIndices) {
 for (int i = 0; i < timeline.getWindowCount(); i++) {
  assertThat(timeline.getNextWindowIndex(i, repeatMode, shuffleModeEnabled))
    .isEqualTo(expectedNextWindowIndices[i]);
 }
}

代码示例来源：origin: google/ExoPlayer

/**
 * Asserts that window tags are set correctly.
 *
 * @param expectedWindowTags A list of expected window tags. If a tag is unknown or not important
 *     {@code null} can be passed to skip this window.
 */
public static void assertWindowTags(Timeline timeline, Object... expectedWindowTags) {
 Window window = new Window();
 assertThat(timeline.getWindowCount()).isEqualTo(expectedWindowTags.length);
 for (int i = 0; i < timeline.getWindowCount(); i++) {
  timeline.getWindow(i, window, true);
  if (expectedWindowTags[i] != null) {
   assertThat(window.tag).isEqualTo(expectedWindowTags[i]);
  }
 }
}

代码示例来源：origin: google/ExoPlayer

private void removeMediaSourceInternal(int index) {
 MediaSourceHolder holder = mediaSourceHolders.remove(index);
 mediaSourceByUid.remove(holder.uid);
 Timeline oldTimeline = holder.timeline;
 correctOffsets(
   index,
   /* childIndexUpdate= */ -1,
   -oldTimeline.getWindowCount(),
   -oldTimeline.getPeriodCount());
 holder.isRemoved = true;
 maybeReleaseChildSource(holder);
}

代码示例来源：origin: google/ExoPlayer

@Override
public void onAddQueueItem(Player player, MediaDescriptionCompat description) {
 onAddQueueItem(player, description, player.getCurrentTimeline().getWindowCount());
}

代码示例来源：origin: google/ExoPlayer

@Override
@Nullable
public final Object getCurrentTag() {
 int windowIndex = getCurrentWindowIndex();
 Timeline timeline = getCurrentTimeline();
 return windowIndex >= timeline.getWindowCount()
   ? null
   : timeline.getWindow(windowIndex, window, /* setTag= */ true).tag;
}

代码示例来源：origin: google/ExoPlayer

/** Asserts that window properties {@link Window}.isDynamic are set correctly. */
public static void assertWindowIsDynamic(Timeline timeline, boolean... windowIsDynamic) {
 Window window = new Window();
 for (int i = 0; i < timeline.getWindowCount(); i++) {
  timeline.getWindow(i, window, true);
  assertThat(window.isDynamic).isEqualTo(windowIsDynamic[i]);
 }
}

代码示例来源：origin: google/ExoPlayer

public LoopingTimeline(Timeline childTimeline, int loopCount) {
 super(/* isAtomic= */ false, new UnshuffledShuffleOrder(loopCount));
 this.childTimeline = childTimeline;
 childPeriodCount = childTimeline.getPeriodCount();
 childWindowCount = childTimeline.getWindowCount();
 this.loopCount = loopCount;
 if (childPeriodCount > 0) {
  Assertions.checkState(loopCount <= Integer.MAX_VALUE / childPeriodCount,
    "LoopingMediaSource contains too many periods");
 }
}

代码示例来源：origin: google/ExoPlayer

/**
 * Creates a new timeline with a single period containing ads.
 *
 * @param contentTimeline The timeline of the content alongside which ads will be played. It must
 *     have one window and one period.
 * @param adPlaybackState The state of the period's ads.
 */
public SinglePeriodAdTimeline(Timeline contentTimeline, AdPlaybackState adPlaybackState) {
 super(contentTimeline);
 Assertions.checkState(contentTimeline.getPeriodCount() == 1);
 Assertions.checkState(contentTimeline.getWindowCount() == 1);
 this.adPlaybackState = adPlaybackState;
}

代码示例来源：origin: google/ExoPlayer

@Override
public void onSkipToQueueItem(Player player, long id) {
 Timeline timeline = player.getCurrentTimeline();
 if (timeline.isEmpty() || player.isPlayingAd()) {
  return;
 }
 int windowIndex = (int) id;
 if (0 <= windowIndex && windowIndex < timeline.getWindowCount()) {
  player.seekTo(windowIndex, C.TIME_UNSET);
 }
}

代码示例来源：origin: google/ExoPlayer

@Override
public final void onCurrentWindowIndexChanged(Player player) {
 if (activeQueueItemId == MediaSessionCompat.QueueItem.UNKNOWN_ID
   || player.getCurrentTimeline().getWindowCount() > maxQueueSize) {
  publishFloatingQueueWindow(player);
 } else if (!player.getCurrentTimeline().isEmpty()) {
  activeQueueItemId = player.getCurrentWindowIndex();
 }
}

代码示例来源：origin: google/ExoPlayer

private EventTime generateEventTime(@Nullable MediaPeriodInfo mediaPeriodInfo) {
 Assertions.checkNotNull(player);
 if (mediaPeriodInfo == null) {
  int windowIndex = player.getCurrentWindowIndex();
  mediaPeriodInfo = mediaPeriodQueueTracker.tryResolveWindowIndex(windowIndex);
  if (mediaPeriodInfo == null) {
   Timeline timeline = player.getCurrentTimeline();
   boolean windowIsInTimeline = windowIndex < timeline.getWindowCount();
   return generateEventTime(
     windowIsInTimeline ? timeline : Timeline.EMPTY, windowIndex, /* mediaPeriodId= */ null);
  }
 }
 return generateEventTime(
   mediaPeriodInfo.timeline, mediaPeriodInfo.windowIndex, mediaPeriodInfo.mediaPeriodId);
}

代码示例来源：origin: google/ExoPlayer

private EventTime generateMediaPeriodEventTime(
  int windowIndex, @Nullable MediaPeriodId mediaPeriodId) {
 Assertions.checkNotNull(player);
 if (mediaPeriodId != null) {
  MediaPeriodInfo mediaPeriodInfo = mediaPeriodQueueTracker.getMediaPeriodInfo(mediaPeriodId);
  return mediaPeriodInfo != null
    ? generateEventTime(mediaPeriodInfo)
    : generateEventTime(Timeline.EMPTY, windowIndex, mediaPeriodId);
 }
 Timeline timeline = player.getCurrentTimeline();
 boolean windowIsInTimeline = windowIndex < timeline.getWindowCount();
 return generateEventTime(
   windowIsInTimeline ? timeline : Timeline.EMPTY, windowIndex, /* mediaPeriodId= */ null);
}

代码示例来源：origin: google/ExoPlayer

/**
 * Asserts that previous window indices for each window depending on the repeat mode and the
 * shuffle mode are equal to the given sequence.
 */
public static void assertPreviousWindowIndices(
  Timeline timeline,
  @Player.RepeatMode int repeatMode,
  boolean shuffleModeEnabled,
  int... expectedPreviousWindowIndices) {
 for (int i = 0; i < timeline.getWindowCount(); i++) {
  assertThat(timeline.getPreviousWindowIndex(i, repeatMode, shuffleModeEnabled))
    .isEqualTo(expectedPreviousWindowIndices[i]);
 }
}

代码示例来源：origin: google/ExoPlayer

/** Asserts that window properties {@link Window}.isDynamic are set correctly. */
public static void assertWindowIsDynamic(Timeline timeline, boolean... windowIsDynamic) {
 Window window = new Window();
 for (int i = 0; i < timeline.getWindowCount(); i++) {
  timeline.getWindow(i, window, true);
  assertThat(window.isDynamic).isEqualTo(windowIsDynamic[i]);
 }
}

代码示例来源：origin: google/ExoPlayer

@Test
public void testNoClipping() throws IOException {
 Timeline timeline = new SinglePeriodTimeline(TEST_PERIOD_DURATION_US, true, false);
 Timeline clippedTimeline = getClippedTimeline(timeline, 0, TEST_PERIOD_DURATION_US);
 assertThat(clippedTimeline.getWindowCount()).isEqualTo(1);
 assertThat(clippedTimeline.getPeriodCount()).isEqualTo(1);
 assertThat(clippedTimeline.getWindow(0, window).getDurationUs())
   .isEqualTo(TEST_PERIOD_DURATION_US);
 assertThat(clippedTimeline.getPeriod(0, period).getDurationUs())
   .isEqualTo(TEST_PERIOD_DURATION_US);
}

代码示例来源：origin: google/ExoPlayer

@Test
public void testCustomCallbackAfterPreparationAddSingle() throws IOException {
 DummyMainThread dummyMainThread = new DummyMainThread();
 try {
  testRunner.prepareSource();
  final TimelineGrabber timelineGrabber = new TimelineGrabber(testRunner);
  dummyMainThread.runOnMainThread(
    () -> mediaSource.addMediaSource(createFakeMediaSource(), timelineGrabber));
  Timeline timeline = timelineGrabber.assertTimelineChangeBlocking();
  assertThat(timeline.getWindowCount()).isEqualTo(1);
 } finally {
  dummyMainThread.release();
 }
}