| /* |
| * 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 com.google.android.exoplayer2; |
| |
| import static java.lang.Math.max; |
| import static java.lang.Math.min; |
| |
| import androidx.annotation.Nullable; |
| import com.google.android.exoplayer2.util.Util; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** Abstract base {@link Player} which implements common implementation independent methods. */ |
| 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(Collections.singletonList(mediaItem)); |
| } |
| |
| @Override |
| public final void setMediaItem(MediaItem mediaItem, long startPositionMs) { |
| setMediaItems(Collections.singletonList(mediaItem), /* startWindowIndex= */ 0, startPositionMs); |
| } |
| |
| @Override |
| public final void setMediaItem(MediaItem mediaItem, boolean resetPosition) { |
| setMediaItems(Collections.singletonList(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, Collections.singletonList(mediaItem)); |
| } |
| |
| @Override |
| public final void addMediaItem(MediaItem mediaItem) { |
| addMediaItems(Collections.singletonList(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 descendents 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 |
| @Override |
| public final boolean hasPrevious() { |
| return hasPreviousMediaItem(); |
| } |
| |
| @Deprecated |
| @Override |
| public final boolean hasPreviousWindow() { |
| return hasPreviousMediaItem(); |
| } |
| |
| @Override |
| public final boolean hasPreviousMediaItem() { |
| return getPreviousMediaItemIndex() != C.INDEX_UNSET; |
| } |
| |
| @Deprecated |
| @Override |
| public final void previous() { |
| seekToPreviousMediaItem(); |
| } |
| |
| @Deprecated |
| @Override |
| public final void seekToPreviousWindow() { |
| seekToPreviousMediaItem(); |
| } |
| |
| @Override |
| public final void seekToPreviousMediaItem() { |
| int previousMediaItemIndex = getPreviousMediaItemIndex(); |
| if (previousMediaItemIndex != C.INDEX_UNSET) { |
| 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 |
| @Override |
| public final boolean hasNext() { |
| return hasNextMediaItem(); |
| } |
| |
| @Deprecated |
| @Override |
| public final boolean hasNextWindow() { |
| return hasNextMediaItem(); |
| } |
| |
| @Override |
| public final boolean hasNextMediaItem() { |
| return getNextMediaItemIndex() != C.INDEX_UNSET; |
| } |
| |
| @Deprecated |
| @Override |
| public final void next() { |
| seekToNextMediaItem(); |
| } |
| |
| @Deprecated |
| @Override |
| public final void seekToNextWindow() { |
| seekToNextMediaItem(); |
| } |
| |
| @Override |
| public final void seekToNextMediaItem() { |
| int nextMediaItemIndex = getNextMediaItemIndex(); |
| if (nextMediaItemIndex != C.INDEX_UNSET) { |
| 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 |
| @Override |
| public final int getCurrentWindowIndex() { |
| return getCurrentMediaItemIndex(); |
| } |
| |
| @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 |
| @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 |
| @Override |
| public final boolean isCurrentWindowDynamic() { |
| return isCurrentMediaItemDynamic(); |
| } |
| |
| @Override |
| public final boolean isCurrentMediaItemDynamic() { |
| Timeline timeline = getCurrentTimeline(); |
| return !timeline.isEmpty() && timeline.getWindow(getCurrentMediaItemIndex(), window).isDynamic; |
| } |
| |
| @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 |
| @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(); |
| } |
| |
| @RepeatMode |
| private 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); |
| } |
| } |