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156 lines
5.9 KiB
156 lines
5.9 KiB
/*
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This file is part of Airsonic.
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Airsonic is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Airsonic is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Airsonic. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2016 (C) Airsonic Authors
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Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
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*/
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package org.airsonic.player.io;
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import org.airsonic.player.domain.*;
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import org.airsonic.player.service.AudioScrobblerService;
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import org.airsonic.player.service.MediaFileService;
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import org.airsonic.player.service.SearchService;
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import org.airsonic.player.service.TranscodingService;
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import org.airsonic.player.service.sonos.SonosHelper;
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import org.airsonic.player.util.FileUtil;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.List;
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/**
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* Implementation of {@link InputStream} which reads from a {@link PlayQueue}.
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*
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* @author Sindre Mehus
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*/
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public class PlayQueueInputStream extends InputStream {
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private static final Logger LOG = LoggerFactory.getLogger(PlayQueueInputStream.class);
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private final Player player;
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private final TransferStatus status;
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private final Integer maxBitRate;
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private final String preferredTargetFormat;
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private final VideoTranscodingSettings videoTranscodingSettings;
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private final TranscodingService transcodingService;
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private final AudioScrobblerService audioScrobblerService;
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private final MediaFileService mediaFileService;
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private MediaFile currentFile;
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private InputStream currentInputStream;
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private SearchService searchService;
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public PlayQueueInputStream(Player player, TransferStatus status, Integer maxBitRate, String preferredTargetFormat,
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VideoTranscodingSettings videoTranscodingSettings, TranscodingService transcodingService,
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AudioScrobblerService audioScrobblerService, MediaFileService mediaFileService, SearchService searchService) {
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this.player = player;
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this.status = status;
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this.maxBitRate = maxBitRate;
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this.preferredTargetFormat = preferredTargetFormat;
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this.videoTranscodingSettings = videoTranscodingSettings;
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this.transcodingService = transcodingService;
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this.audioScrobblerService = audioScrobblerService;
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this.mediaFileService = mediaFileService;
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this.searchService = searchService;
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}
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@Override
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public int read() throws IOException {
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byte[] b = new byte[1];
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int n = read(b);
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return n == -1 ? -1 : b[0];
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}
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@Override
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public int read(byte[] b) throws IOException {
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return read(b, 0, b.length);
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}
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@Override
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public int read(byte[] b, int off, int len) throws IOException {
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prepare();
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if (currentInputStream == null || player.getPlayQueue().getStatus() == PlayQueue.Status.STOPPED) {
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return -1;
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}
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int n = currentInputStream.read(b, off, len);
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// If end of song reached, skip to next song and call read() again.
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if (n == -1) {
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player.getPlayQueue().next();
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close();
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return read(b, off, len);
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} else {
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status.addBytesTransfered(n);
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}
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return n;
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}
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private void prepare() throws IOException {
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PlayQueue playQueue = player.getPlayQueue();
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// If playlist is in auto-random mode, populate it with new random songs.
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if (playQueue.getIndex() == -1 && playQueue.getRandomSearchCriteria() != null) {
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populateRandomPlaylist(playQueue);
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}
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MediaFile result;
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synchronized (playQueue) {
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result = playQueue.getCurrentFile();
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}
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MediaFile file = result;
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if (file == null) {
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close();
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} else if (!file.equals(currentFile)) {
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close();
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LOG.info("{}: {} listening to {}", player.getIpAddress(), player.getUsername(), FileUtil.getShortPath(file.getFile()));
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mediaFileService.incrementPlayCount(file);
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// Don't scrobble REST players (except Sonos)
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if (player.getClientId() == null || player.getClientId().equals(SonosHelper.AIRSONIC_CLIENT_ID)) {
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audioScrobblerService.register(file, player.getUsername(), false, null);
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}
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TranscodingService.Parameters parameters = transcodingService.getParameters(file, player, maxBitRate, preferredTargetFormat, videoTranscodingSettings);
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currentInputStream = transcodingService.getTranscodedInputStream(parameters);
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currentFile = file;
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status.setFile(currentFile.getFile());
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}
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}
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private void populateRandomPlaylist(PlayQueue playQueue) {
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List<MediaFile> files = searchService.getRandomSongs(playQueue.getRandomSearchCriteria());
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playQueue.addFiles(false, files);
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LOG.info("Recreated random playlist with " + playQueue.size() + " songs.");
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}
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@Override
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public void close() throws IOException {
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try {
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if (currentInputStream != null) {
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currentInputStream.close();
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}
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} finally {
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// Don't scrobble REST players (except Sonos)
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if (player.getClientId() == null || player.getClientId().equals(SonosHelper.AIRSONIC_CLIENT_ID)) {
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audioScrobblerService.register(currentFile, player.getUsername(), true, null);
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}
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currentInputStream = null;
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currentFile = null;
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}
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}
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}
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