/
BasePlayer.java
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/
BasePlayer.java
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/*
* 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 androidx.media3.common;
import static java.lang.Math.max;
import static java.lang.Math.min;
import androidx.annotation.Nullable;
import androidx.media3.common.util.UnstableApi;
import androidx.media3.common.util.Util;
import com.google.common.collect.ImmutableList;
import com.google.errorprone.annotations.ForOverride;
import java.util.List;
/** Abstract base {@link Player} which implements common implementation independent methods. */
@UnstableApi
public abstract class BasePlayer implements Player {
protected final Timeline.Window window;
protected BasePlayer() {
window = new Timeline.Window();
}
@Override
public final void setMediaItem(MediaItem mediaItem) {
setMediaItems(ImmutableList.of(mediaItem));
}
@Override
public final void setMediaItem(MediaItem mediaItem, long startPositionMs) {
setMediaItems(ImmutableList.of(mediaItem), /* startIndex= */ 0, startPositionMs);
}
@Override
public final void setMediaItem(MediaItem mediaItem, boolean resetPosition) {
setMediaItems(ImmutableList.of(mediaItem), resetPosition);
}
@Override
public final void setMediaItems(List<MediaItem> mediaItems) {
setMediaItems(mediaItems, /* resetPosition= */ true);
}
@Override
public final void addMediaItem(int index, MediaItem mediaItem) {
addMediaItems(index, ImmutableList.of(mediaItem));
}
@Override
public final void addMediaItem(MediaItem mediaItem) {
addMediaItems(ImmutableList.of(mediaItem));
}
@Override
public final void addMediaItems(List<MediaItem> mediaItems) {
addMediaItems(/* index= */ Integer.MAX_VALUE, mediaItems);
}
@Override
public final void moveMediaItem(int currentIndex, int newIndex) {
if (currentIndex != newIndex) {
moveMediaItems(/* fromIndex= */ currentIndex, /* toIndex= */ currentIndex + 1, newIndex);
}
}
@Override
public final void removeMediaItem(int index) {
removeMediaItems(/* fromIndex= */ index, /* toIndex= */ index + 1);
}
@Override
public final void clearMediaItems() {
removeMediaItems(/* fromIndex= */ 0, /* toIndex= */ Integer.MAX_VALUE);
}
@Override
public final boolean isCommandAvailable(@Command int command) {
return getAvailableCommands().contains(command);
}
/**
* {@inheritDoc}
*
* <p>BasePlayer and its descendants will return {@code true}.
*/
@Override
public final boolean canAdvertiseSession() {
return true;
}
@Override
public final void play() {
setPlayWhenReady(true);
}
@Override
public final void pause() {
setPlayWhenReady(false);
}
@Override
public final boolean isPlaying() {
return getPlaybackState() == Player.STATE_READY
&& getPlayWhenReady()
&& getPlaybackSuppressionReason() == PLAYBACK_SUPPRESSION_REASON_NONE;
}
@Override
public final void seekToDefaultPosition() {
seekToDefaultPosition(getCurrentMediaItemIndex());
}
@Override
public final void seekToDefaultPosition(int mediaItemIndex) {
seekTo(mediaItemIndex, /* positionMs= */ C.TIME_UNSET);
}
@Override
public final void seekTo(long positionMs) {
seekTo(getCurrentMediaItemIndex(), positionMs);
}
@Override
public final void seekBack() {
seekToOffset(-getSeekBackIncrement());
}
@Override
public final void seekForward() {
seekToOffset(getSeekForwardIncrement());
}
/**
* @deprecated Use {@link #hasPreviousMediaItem()} instead.
*/
@Deprecated
@Override
public final boolean hasPrevious() {
return hasPreviousMediaItem();
}
/**
* @deprecated Use {@link #hasPreviousMediaItem()} instead.
*/
@Deprecated
@Override
public final boolean hasPreviousWindow() {
return hasPreviousMediaItem();
}
@Override
public final boolean hasPreviousMediaItem() {
return getPreviousMediaItemIndex() != C.INDEX_UNSET;
}
/**
* @deprecated Use {@link #seekToPreviousMediaItem()} instead.
*/
@Deprecated
@Override
public final void previous() {
seekToPreviousMediaItem();
}
/**
* @deprecated Use {@link #seekToPreviousMediaItem()} instead.
*/
@Deprecated
@Override
public final void seekToPreviousWindow() {
seekToPreviousMediaItem();
}
@Override
public final void seekToPreviousMediaItem() {
int previousMediaItemIndex = getPreviousMediaItemIndex();
if (previousMediaItemIndex == C.INDEX_UNSET) {
return;
}
if (previousMediaItemIndex == getCurrentMediaItemIndex()) {
repeatCurrentMediaItem();
} else {
seekToDefaultPosition(previousMediaItemIndex);
}
}
@Override
public final void seekToPrevious() {
Timeline timeline = getCurrentTimeline();
if (timeline.isEmpty() || isPlayingAd()) {
return;
}
boolean hasPreviousMediaItem = hasPreviousMediaItem();
if (isCurrentMediaItemLive() && !isCurrentMediaItemSeekable()) {
if (hasPreviousMediaItem) {
seekToPreviousMediaItem();
}
} else if (hasPreviousMediaItem && getCurrentPosition() <= getMaxSeekToPreviousPosition()) {
seekToPreviousMediaItem();
} else {
seekTo(/* positionMs= */ 0);
}
}
/**
* @deprecated Use {@link #hasNextMediaItem()} instead.
*/
@Deprecated
@Override
public final boolean hasNext() {
return hasNextMediaItem();
}
/**
* @deprecated Use {@link #hasNextMediaItem()} instead.
*/
@Deprecated
@Override
public final boolean hasNextWindow() {
return hasNextMediaItem();
}
@Override
public final boolean hasNextMediaItem() {
return getNextMediaItemIndex() != C.INDEX_UNSET;
}
/**
* @deprecated Use {@link #seekToNextMediaItem()} instead.
*/
@Deprecated
@Override
public final void next() {
seekToNextMediaItem();
}
/**
* @deprecated Use {@link #seekToNextMediaItem()} instead.
*/
@Deprecated
@Override
public final void seekToNextWindow() {
seekToNextMediaItem();
}
@Override
public final void seekToNextMediaItem() {
int nextMediaItemIndex = getNextMediaItemIndex();
if (nextMediaItemIndex == C.INDEX_UNSET) {
return;
}
if (nextMediaItemIndex == getCurrentMediaItemIndex()) {
repeatCurrentMediaItem();
} else {
seekToDefaultPosition(nextMediaItemIndex);
}
}
@Override
public final void seekToNext() {
Timeline timeline = getCurrentTimeline();
if (timeline.isEmpty() || isPlayingAd()) {
return;
}
if (hasNextMediaItem()) {
seekToNextMediaItem();
} else if (isCurrentMediaItemLive() && isCurrentMediaItemDynamic()) {
seekToDefaultPosition();
}
}
@Override
public final void setPlaybackSpeed(float speed) {
setPlaybackParameters(getPlaybackParameters().withSpeed(speed));
}
/**
* @deprecated Use {@link #getCurrentMediaItemIndex()} instead.
*/
@Deprecated
@Override
public final int getCurrentWindowIndex() {
return getCurrentMediaItemIndex();
}
/**
* @deprecated Use {@link #getNextMediaItemIndex()} instead.
*/
@Deprecated
@Override
public final int getNextWindowIndex() {
return getNextMediaItemIndex();
}
@Override
public final int getNextMediaItemIndex() {
Timeline timeline = getCurrentTimeline();
return timeline.isEmpty()
? C.INDEX_UNSET
: timeline.getNextWindowIndex(
getCurrentMediaItemIndex(), getRepeatModeForNavigation(), getShuffleModeEnabled());
}
/**
* @deprecated Use {@link #getPreviousMediaItemIndex()} instead.
*/
@Deprecated
@Override
public final int getPreviousWindowIndex() {
return getPreviousMediaItemIndex();
}
@Override
public final int getPreviousMediaItemIndex() {
Timeline timeline = getCurrentTimeline();
return timeline.isEmpty()
? C.INDEX_UNSET
: timeline.getPreviousWindowIndex(
getCurrentMediaItemIndex(), getRepeatModeForNavigation(), getShuffleModeEnabled());
}
@Override
@Nullable
public final MediaItem getCurrentMediaItem() {
Timeline timeline = getCurrentTimeline();
return timeline.isEmpty()
? null
: timeline.getWindow(getCurrentMediaItemIndex(), window).mediaItem;
}
@Override
public final int getMediaItemCount() {
return getCurrentTimeline().getWindowCount();
}
@Override
public final MediaItem getMediaItemAt(int index) {
return getCurrentTimeline().getWindow(index, window).mediaItem;
}
@Override
@Nullable
public final Object getCurrentManifest() {
Timeline timeline = getCurrentTimeline();
return timeline.isEmpty()
? null
: timeline.getWindow(getCurrentMediaItemIndex(), window).manifest;
}
@Override
public final int getBufferedPercentage() {
long position = getBufferedPosition();
long duration = getDuration();
return position == C.TIME_UNSET || duration == C.TIME_UNSET
? 0
: duration == 0 ? 100 : Util.constrainValue((int) ((position * 100) / duration), 0, 100);
}
/**
* @deprecated Use {@link #isCurrentMediaItemDynamic()} instead.
*/
@Deprecated
@Override
public final boolean isCurrentWindowDynamic() {
return isCurrentMediaItemDynamic();
}
@Override
public final boolean isCurrentMediaItemDynamic() {
Timeline timeline = getCurrentTimeline();
return !timeline.isEmpty() && timeline.getWindow(getCurrentMediaItemIndex(), window).isDynamic;
}
/**
* @deprecated Use {@link #isCurrentMediaItemLive()} instead.
*/
@Deprecated
@Override
public final boolean isCurrentWindowLive() {
return isCurrentMediaItemLive();
}
@Override
public final boolean isCurrentMediaItemLive() {
Timeline timeline = getCurrentTimeline();
return !timeline.isEmpty() && timeline.getWindow(getCurrentMediaItemIndex(), window).isLive();
}
@Override
public final long getCurrentLiveOffset() {
Timeline timeline = getCurrentTimeline();
if (timeline.isEmpty()) {
return C.TIME_UNSET;
}
long windowStartTimeMs =
timeline.getWindow(getCurrentMediaItemIndex(), window).windowStartTimeMs;
if (windowStartTimeMs == C.TIME_UNSET) {
return C.TIME_UNSET;
}
return window.getCurrentUnixTimeMs() - window.windowStartTimeMs - getContentPosition();
}
/**
* @deprecated Use {@link #isCurrentMediaItemSeekable()} instead.
*/
@Deprecated
@Override
public final boolean isCurrentWindowSeekable() {
return isCurrentMediaItemSeekable();
}
@Override
public final boolean isCurrentMediaItemSeekable() {
Timeline timeline = getCurrentTimeline();
return !timeline.isEmpty() && timeline.getWindow(getCurrentMediaItemIndex(), window).isSeekable;
}
@Override
public final long getContentDuration() {
Timeline timeline = getCurrentTimeline();
return timeline.isEmpty()
? C.TIME_UNSET
: timeline.getWindow(getCurrentMediaItemIndex(), window).getDurationMs();
}
/**
* Repeat the current media item.
*
* <p>The default implementation seeks to the default position in the current item, which can be
* overridden for additional handling.
*/
@ForOverride
protected void repeatCurrentMediaItem() {
seekToDefaultPosition();
}
private @RepeatMode int getRepeatModeForNavigation() {
@RepeatMode int repeatMode = getRepeatMode();
return repeatMode == REPEAT_MODE_ONE ? REPEAT_MODE_OFF : repeatMode;
}
private void seekToOffset(long offsetMs) {
long positionMs = getCurrentPosition() + offsetMs;
long durationMs = getDuration();
if (durationMs != C.TIME_UNSET) {
positionMs = min(positionMs, durationMs);
}
positionMs = max(positionMs, 0);
seekTo(positionMs);
}
}