mirror of https://github.com/TeamNewPipe/NewPipe
251 lines
10 KiB
Java
251 lines
10 KiB
Java
package org.schabi.newpipe.player.helper;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.preference.PreferenceManager;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import com.google.android.exoplayer2.SeekParameters;
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import com.google.android.exoplayer2.ui.AspectRatioFrameLayout;
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import com.google.android.exoplayer2.util.MimeTypes;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.extractor.InfoItem;
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import org.schabi.newpipe.extractor.Subtitles;
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import org.schabi.newpipe.extractor.stream.AudioStream;
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import org.schabi.newpipe.extractor.stream.StreamInfo;
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import org.schabi.newpipe.extractor.stream.StreamInfoItem;
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import org.schabi.newpipe.extractor.stream.SubtitlesFormat;
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import org.schabi.newpipe.extractor.stream.VideoStream;
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import org.schabi.newpipe.playlist.PlayQueue;
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import org.schabi.newpipe.playlist.PlayQueueItem;
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import org.schabi.newpipe.playlist.SinglePlayQueue;
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import java.text.DecimalFormat;
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import java.text.NumberFormat;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Formatter;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Locale;
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import java.util.Set;
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import static com.google.android.exoplayer2.ui.AspectRatioFrameLayout.RESIZE_MODE_FILL;
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import static com.google.android.exoplayer2.ui.AspectRatioFrameLayout.RESIZE_MODE_FIT;
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import static com.google.android.exoplayer2.ui.AspectRatioFrameLayout.RESIZE_MODE_ZOOM;
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public class PlayerHelper {
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private PlayerHelper() {}
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private static final StringBuilder stringBuilder = new StringBuilder();
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private static final Formatter stringFormatter = new Formatter(stringBuilder, Locale.getDefault());
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private static final NumberFormat speedFormatter = new DecimalFormat("0.##x");
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private static final NumberFormat pitchFormatter = new DecimalFormat("##%");
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////////////////////////////////////////////////////////////////////////////
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// Exposed helpers
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////////////////////////////////////////////////////////////////////////////
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public static String getTimeString(int milliSeconds) {
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long seconds = (milliSeconds % 60000L) / 1000L;
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long minutes = (milliSeconds % 3600000L) / 60000L;
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long hours = (milliSeconds % 86400000L) / 3600000L;
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long days = (milliSeconds % (86400000L * 7L)) / 86400000L;
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stringBuilder.setLength(0);
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return days > 0 ? stringFormatter.format("%d:%02d:%02d:%02d", days, hours, minutes, seconds).toString()
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: hours > 0 ? stringFormatter.format("%d:%02d:%02d", hours, minutes, seconds).toString()
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: stringFormatter.format("%02d:%02d", minutes, seconds).toString();
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}
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public static String formatSpeed(double speed) {
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return speedFormatter.format(speed);
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}
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public static String formatPitch(double pitch) {
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return pitchFormatter.format(pitch);
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}
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public static String mimeTypesOf(final SubtitlesFormat format) {
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switch (format) {
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case VTT: return MimeTypes.TEXT_VTT;
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case TTML: return MimeTypes.APPLICATION_TTML;
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default: throw new IllegalArgumentException("Unrecognized mime type: " + format.name());
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}
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}
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@NonNull
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public static String captionLanguageOf(@NonNull final Context context,
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@NonNull final Subtitles subtitles) {
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final String displayName = subtitles.getLocale().getDisplayName(subtitles.getLocale());
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return displayName + (subtitles.isAutoGenerated() ? " (" + context.getString(R.string.caption_auto_generated)+ ")" : "");
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}
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@NonNull
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public static String resizeTypeOf(@NonNull final Context context,
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@AspectRatioFrameLayout.ResizeMode final int resizeMode) {
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switch (resizeMode) {
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case RESIZE_MODE_FIT: return context.getResources().getString(R.string.resize_fit);
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case RESIZE_MODE_FILL: return context.getResources().getString(R.string.resize_fill);
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case RESIZE_MODE_ZOOM: return context.getResources().getString(R.string.resize_zoom);
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default: throw new IllegalArgumentException("Unrecognized resize mode: " + resizeMode);
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}
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}
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@NonNull
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public static String cacheKeyOf(@NonNull final StreamInfo info, @NonNull VideoStream video) {
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return info.getUrl() + video.getResolution() + video.getFormat().getName();
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}
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@NonNull
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public static String cacheKeyOf(@NonNull final StreamInfo info, @NonNull AudioStream audio) {
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return info.getUrl() + audio.getAverageBitrate() + audio.getFormat().getName();
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}
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/**
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* Given a {@link StreamInfo} and the existing queue items, provide the
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* {@link SinglePlayQueue} consisting of the next video for auto queuing.
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* <br><br>
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* This method detects and prevents cycle by naively checking if a
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* candidate next video's url already exists in the existing items.
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* <br><br>
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* To select the next video, {@link StreamInfo#getNextVideo()} is first
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* checked. If it is nonnull and is not part of the existing items, then
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* it will be used as the next video. Otherwise, an random item with
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* non-repeating url will be selected from the {@link StreamInfo#getRelatedStreams()}.
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* */
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@Nullable
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public static PlayQueue autoQueueOf(@NonNull final StreamInfo info,
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@NonNull final List<PlayQueueItem> existingItems) {
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Set<String> urls = new HashSet<>(existingItems.size());
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for (final PlayQueueItem item : existingItems) {
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urls.add(item.getUrl());
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}
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final StreamInfoItem nextVideo = info.getNextVideo();
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if (nextVideo != null && !urls.contains(nextVideo.getUrl())) {
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return new SinglePlayQueue(nextVideo);
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}
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final List<InfoItem> relatedItems = info.getRelatedStreams();
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if (relatedItems == null) return null;
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List<StreamInfoItem> autoQueueItems = new ArrayList<>();
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for (final InfoItem item : info.getRelatedStreams()) {
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if (item instanceof StreamInfoItem && !urls.contains(item.getUrl())) {
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autoQueueItems.add((StreamInfoItem) item);
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}
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}
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Collections.shuffle(autoQueueItems);
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return autoQueueItems.isEmpty() ? null : new SinglePlayQueue(autoQueueItems.get(0));
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}
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////////////////////////////////////////////////////////////////////////////
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// Settings Resolution
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////////////////////////////////////////////////////////////////////////////
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public static boolean isResumeAfterAudioFocusGain(@NonNull final Context context) {
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return isResumeAfterAudioFocusGain(context, false);
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}
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public static boolean isPlayerGestureEnabled(@NonNull final Context context) {
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return isPlayerGestureEnabled(context, true);
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}
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public static boolean isUsingOldPlayer(@NonNull final Context context) {
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return isUsingOldPlayer(context, false);
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}
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public static boolean isRememberingPopupDimensions(@NonNull final Context context) {
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return isRememberingPopupDimensions(context, true);
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}
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public static boolean isAutoQueueEnabled(@NonNull final Context context) {
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return isAutoQueueEnabled(context, false);
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}
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@NonNull
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public static SeekParameters getSeekParameters(@NonNull final Context context) {
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return isUsingInexactSeek(context, false) ?
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SeekParameters.CLOSEST_SYNC : SeekParameters.EXACT;
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}
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public static long getPreferredCacheSize(@NonNull final Context context) {
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return 64 * 1024 * 1024L;
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}
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public static long getPreferredFileSize(@NonNull final Context context) {
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return 512 * 1024L;
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}
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/**
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* Returns the number of milliseconds the player buffers for before starting playback.
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* */
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public static int getPlaybackStartBufferMs(@NonNull final Context context) {
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return 500;
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}
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/**
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* Returns the minimum number of milliseconds the player always buffers to after starting
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* playback.
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* */
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public static int getPlaybackMinimumBufferMs(@NonNull final Context context) {
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return 25000;
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}
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/**
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* Returns the maximum/optimal number of milliseconds the player will buffer to once the buffer
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* hits the point of {@link #getPlaybackMinimumBufferMs(Context)}.
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* */
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public static int getPlaybackOptimalBufferMs(@NonNull final Context context) {
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return 60000;
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}
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public static boolean isUsingDSP(@NonNull final Context context) {
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return true;
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}
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public static int getShutdownFlingVelocity(@NonNull final Context context) {
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return 10000;
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}
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public static int getTossFlingVelocity(@NonNull final Context context) {
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return 2500;
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}
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////////////////////////////////////////////////////////////////////////////
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// Private helpers
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////////////////////////////////////////////////////////////////////////////
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@NonNull
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private static SharedPreferences getPreferences(@NonNull final Context context) {
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return PreferenceManager.getDefaultSharedPreferences(context);
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}
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private static boolean isResumeAfterAudioFocusGain(@NonNull final Context context, final boolean b) {
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return getPreferences(context).getBoolean(context.getString(R.string.resume_on_audio_focus_gain_key), b);
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}
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private static boolean isPlayerGestureEnabled(@NonNull final Context context, final boolean b) {
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return getPreferences(context).getBoolean(context.getString(R.string.player_gesture_controls_key), b);
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}
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private static boolean isUsingOldPlayer(@NonNull final Context context, final boolean b) {
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return getPreferences(context).getBoolean(context.getString(R.string.use_old_player_key), b);
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}
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private static boolean isRememberingPopupDimensions(@NonNull final Context context, final boolean b) {
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return getPreferences(context).getBoolean(context.getString(R.string.popup_remember_size_pos_key), b);
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}
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private static boolean isUsingInexactSeek(@NonNull final Context context, final boolean b) {
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return getPreferences(context).getBoolean(context.getString(R.string.use_inexact_seek_key), b);
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}
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private static boolean isAutoQueueEnabled(@NonNull final Context context, final boolean b) {
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return getPreferences(context).getBoolean(context.getString(R.string.auto_queue_key), b);
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}
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}
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