Java tutorial
/* * Universal Media Server, for streaming any medias to DLNA * compatible renderers based on the http://www.ps3mediaserver.org. * Copyright (C) 2012 UMS developers. * * This program is a free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; version 2 * of the License only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ package net.pms.configuration; import com.google.gson.Gson; import java.io.File; import java.net.InetAddress; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import net.pms.Messages; import net.pms.PMS; import net.pms.dlna.DLNAMediaInfo; import net.pms.dlna.DLNAResource; import net.pms.dlna.virtual.VirtualVideoAction; import net.pms.encoders.FFMpegVideo; import net.pms.encoders.Player; import net.pms.external.StartStopListenerDelegate; import net.pms.formats.*; import net.pms.io.OutputParams; import net.pms.remote.RemoteUtil; import net.pms.util.BasicPlayer; import net.pms.util.StringUtil; import org.apache.commons.configuration.ConfigurationException; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.time.DurationFormatUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class WebRender extends DeviceConfiguration implements RendererConfiguration.OutputOverride { private String user; private String ip; @SuppressWarnings("unused") private int port; private String ua; private String defaultMime; private int browser = 0; private String platform = null; private int screenWidth = 0; private int screenHeight = 0; private boolean isTouchDevice = false; private String subLang; private Gson gson; private static final PmsConfiguration pmsconfiguration = PMS.getConfiguration(); private static final Logger LOGGER = LoggerFactory.getLogger(WebRender.class); private static final Format[] supportedFormats = { new GIF(), new JPG(), new MP3(), new PNG() }; private static final Matcher umsInfo = Pattern .compile("platform=(.+)&width=(.+)&height=(.+)&isTouchDevice=(.+)").matcher(""); protected static final int CHROME = 1; protected static final int MSIE = 2; protected static final int FIREFOX = 3; protected static final int SAFARI = 4; protected static final int PS4 = 5; protected static final int XBOX1 = 6; protected static final int OPERA = 7; protected static final int EDGE = 8; private StartStopListenerDelegate startStop; public WebRender(String user) throws ConfigurationException { super(NOFILE, null); this.user = user; ip = ""; port = 0; ua = ""; fileless = true; String userFmt = pmsconfiguration.getWebTranscode(); defaultMime = userFmt != null ? ("video/" + userFmt) : RemoteUtil.transMime(); startStop = null; subLang = ""; if (pmsConfiguration.useWebControl()) { controls = BasicPlayer.PLAYCONTROL | BasicPlayer.VOLUMECONTROL; } gson = new Gson(); push = new ArrayList<>(); } @Override public boolean load(File f) { // FIXME: These are just preliminary configuration.addProperty(MEDIAPARSERV2, true); configuration.addProperty(MEDIAPARSERV2_THUMB, true); configuration.addProperty(SUPPORTED, "f:flv v:h264|hls a:aac m:video/flash"); configuration.addProperty(SUPPORTED, "f:mp4 m:video/mp4"); configuration.addProperty(SUPPORTED, "f:mp3 n:2 m:audio/mpeg"); // configuration.addProperty(SUPPORTED, "f:wav n:2 m:audio/wav"); configuration.addProperty(SUPPORTED, "f:jpg m:image/jpeg"); configuration.addProperty(SUPPORTED, "f:png m:image/png"); configuration.addProperty(SUPPORTED, "f:gif m:image/gif"); configuration.addProperty(SUPPORTED, "f:tiff m:image/tiff"); configuration.addProperty(TRANSCODE_AUDIO, MP3); return true; } @Override public boolean associateIP(InetAddress sa) { ip = sa.getHostAddress(); return super.associateIP(sa); } @Override public InetAddress getAddress() { try { return InetAddress.getByName(ip); } catch (Exception e) { return null; } } public void associatePort(int port) { this.port = port; } public void setUA(String ua) { LOGGER.debug("Setting web client ua: {}", ua); this.ua = ua.toLowerCase(); } public static String getBrowserName(int browser) { switch (browser) { case CHROME: return "Chrome"; case MSIE: return "Internet Explorer"; case FIREFOX: return "Firefox"; case SAFARI: return "Safari"; case PS4: return "Playstation 4"; case XBOX1: return "Xbox One"; case OPERA: return "Opera"; case EDGE: return "Edge"; default: return Messages.getString("PMS.142"); } } public static int getBrowser(String userAgent) { String ua = userAgent.toLowerCase(); return ua.contains("edge") ? EDGE : ua.contains("chrome") ? CHROME : (ua.contains("msie") || ua.contains("trident")) ? MSIE : ua.contains("firefox") ? FIREFOX : ua.contains("safari") ? SAFARI : ua.contains("playstation 4") ? PS4 : ua.contains("xbox one") ? XBOX1 : ua.contains("opera") ? OPERA : 0; } public void setBrowserInfo(String info, String userAgent) { setUA(userAgent); browser = getBrowser(userAgent); if (info != null && umsInfo.reset(info).find()) { platform = umsInfo.group(1).toLowerCase(); screenWidth = Integer.valueOf(umsInfo.group(2)); screenHeight = Integer.valueOf(umsInfo.group(3)); isTouchDevice = Boolean.valueOf(umsInfo.group(4)); LOGGER.debug("Setting {} browser info: platform:{}, screen:{}x{}, isTouchDevice:{}", getRendererName(), platform, screenWidth, screenHeight, isTouchDevice); } active = true; uuid = getConfName() + ":" + ip; } @Override public String getRendererName() { return (pmsconfiguration.isWebAuthenticate() ? user + "@" : "") + getBrowserName(browser); } @Override public String getConfName() { return getBrowserName(browser); } public int getBrowser() { return browser; } public String getUser() { return user; } @Override public String getRendererIcon() { switch (browser) { case CHROME: return "chrome.png"; case MSIE: return "internetexplorer.png"; case FIREFOX: return "firefox.png"; case SAFARI: return "safari.png"; case PS4: return "ps4.png"; case XBOX1: return "xbox-one.png"; case OPERA: return "opera.png"; case EDGE: return "edge.png"; default: return super.getRendererIcon(); } } @Override public String toString() { return getRendererName(); } @Override public boolean isMediaInfoThumbnailGeneration() { return false; } @Override public boolean isLimitFolders() { // no folder limit on the web clients return false; } public boolean isChromeTrick() { return browser == CHROME && pmsconfiguration.getWebChrome(); } public boolean isFirefoxLinuxMp4() { return browser == FIREFOX && platform != null && platform.contains("linux") && pmsconfiguration.getWebFirefoxLinuxMp4(); } public boolean isScreenSizeConstrained() { return (screenWidth != 0 && RemoteUtil.getWidth() > screenWidth) || (screenHeight != 0 && RemoteUtil.getHeight() > screenHeight); } public int getVideoWidth() { return isScreenSizeConstrained() ? screenWidth : RemoteUtil.getWidth(); } public int getVideoHeight() { return isScreenSizeConstrained() ? screenHeight : RemoteUtil.getHeight(); } public String getVideoMimeType() { if (isChromeTrick()) { return RemoteUtil.MIME_WEBM; } else if (isFirefoxLinuxMp4()) { return RemoteUtil.MIME_MP4; } return defaultMime; } @Override public int getAutoPlayTmo() { return 0; } @Override public boolean isNoDynPlsFolder() { return true; } public boolean isLowBitrate() { // FIXME: this should return true if either network speed or client cpu are slow boolean slow = false; try { // note here if we get a low speed then calcspeed // will return -1 which will ALWAYS be less that the configed value. slow = getInt(calculatedSpeed(), 0) < pmsConfiguration.getWebLowSpeed(); } catch (Exception e) { } return slow || (screenWidth < 720 && (ua.contains("mobi") || isTouchDevice)); } @Override public boolean getOutputOptions(List<String> cmdList, DLNAResource dlna, Player player, OutputParams params) { if (player instanceof FFMpegVideo) { if (dlna.getFormat().isVideo()) { DLNAMediaInfo media = dlna.getMedia(); boolean flash = media != null && "video/flash".equals(media.getMimeType()); if (flash) { fflashCmds(cmdList, media); } else { String mime = getVideoMimeType(); switch (mime) { case RemoteUtil.MIME_OGG: ffoggCmd(cmdList); break; case RemoteUtil.MIME_MP4: ffmp4Cmd(cmdList); break; case RemoteUtil.MIME_WEBM: if (isChromeTrick()) { chromeCmd(cmdList); } else { // nothing here yet } break; } } if (isLowBitrate()) { cmdList.addAll(((FFMpegVideo) player).getVideoBitrateOptions(dlna, media, params)); } } else { // nothing here yet } return true; // } else if (player instanceof MEncoderVideo) { // // nothing here yet } return false; } private void fflashCmds(List<String> cmdList, DLNAMediaInfo media) { // Can't streamcopy if filters are present boolean canCopy = !(cmdList.contains("-vf") || cmdList.contains("-filter_complex")); cmdList.add("-c:v"); if (canCopy && media != null && media.getCodecV() != null && media.getCodecV().equals("h264")) { cmdList.add("copy"); } else { cmdList.add("flv"); cmdList.add("-qmin"); cmdList.add("2"); cmdList.add("-qmax"); cmdList.add("6"); } if (canCopy && media != null && media.getFirstAudioTrack() != null && media.getFirstAudioTrack().isAAC()) { cmdList.add("-c:a"); cmdList.add("copy"); } else { cmdList.add("-ar"); cmdList.add("44100"); } cmdList.add("-f"); cmdList.add("flv"); } private void ffoggCmd(List<String> cmdList) { /*cmdList.add("-c:v"); cmdList.add("libtheora");*/ cmdList.add("-qscale:v"); cmdList.add("10"); cmdList.add("-acodec"); cmdList.add("libvorbis"); /*cmdList.add("-qscale:a"); cmdList.add("6");*/ /*cmdList.add("-bufsize"); cmdList.add("300k"); cmdList.add("-b:a"); cmdList.add("128k");*/ cmdList.add("-f"); cmdList.add("ogg"); } private void ffmp4Cmd(List<String> cmdList) { // see http://stackoverflow.com/questions/8616855/how-to-output-fragmented-mp4-with-ffmpeg cmdList.add(1, "-re"); cmdList.add("-g"); cmdList.add("52"); // see https://code.google.com/p/stream-m/#FRAGMENT_SIZES cmdList.add("-c:v"); cmdList.add("libx264"); cmdList.add("-preset"); cmdList.add("ultrafast"); /*cmdList.add("-tune"); cmdList.add("zerolatency"); cmdList.add("-profile:v"); cmdList.add("high"); cmdList.add("-level:v"); cmdList.add("3.1");*/ cmdList.add("-c:a"); cmdList.add("aac"); cmdList.add("-ab"); cmdList.add("16k"); // cmdList.add("-ar"); // cmdList.add("44100"); cmdList.add("-strict"); cmdList.add("experimental"); /*cmdList.add("-pix_fmt"); cmdList.add("yuv420p");*/ // cmdList.add("-frag_duration"); // cmdList.add("300"); // cmdList.add("-frag_size"); // cmdList.add("100"); // cmdList.add("-flags"); // cmdList.add("+aic+mv4"); cmdList.add("-movflags"); cmdList.add("frag_keyframe+empty_moov"); cmdList.add("-f"); cmdList.add("mp4"); } private void chromeCmd(List<String> cmdList) { //-c:v libx264 -profile:v high -level 4.1 -map 0:a -c:a libmp3lame -ac 2 -preset ultrafast -b:v 35000k -bufsize 35000k -f matroska cmdList.add("-c:v"); cmdList.add("libx264"); cmdList.add("-profile:v"); cmdList.add("high"); cmdList.add("-level:v"); cmdList.add("3.1"); cmdList.add("-c:a"); cmdList.add("libmp3lame"); cmdList.add("-ac"); cmdList.add("2"); cmdList.add("-pix_fmt"); cmdList.add("yuv420p"); cmdList.add("-preset"); cmdList.add("ultrafast"); cmdList.add("-f"); cmdList.add("matroska"); } @SuppressWarnings("unused") private void ffhlsCmd(List<String> cmdList, DLNAMediaInfo media) { // Can't streamcopy if filters are present boolean canCopy = !(cmdList.contains("-vf") || cmdList.contains("-filter_complex")); cmdList.add("-c:v"); if (canCopy && media != null && media.getCodecV() != null && media.getCodecV().equals("h264")) { cmdList.add("copy"); } else { cmdList.add("flv"); cmdList.add("-qmin"); cmdList.add("2"); cmdList.add("-qmax"); cmdList.add("6"); } if (canCopy && media != null && media.getFirstAudioTrack() != null && media.getFirstAudioTrack().isAAC()) { cmdList.add("-c:a"); cmdList.add("copy"); } else { cmdList.add("-ar"); cmdList.add("44100"); } cmdList.add("-f"); cmdList.add("HLS"); } public static boolean supportedFormat(Format f) { for (Format f1 : supportedFormats) { if (f.getIdentifier() == f1.getIdentifier() || f1.mimeType().equals(f.mimeType())) { return true; } } return false; } public static boolean supports(DLNAResource dlna) { if (dlna instanceof VirtualVideoAction) { return true; } DLNAMediaInfo m = dlna.getMedia(); return (m != null && RemoteUtil.directmime(m.getMimeType())) || (supportedFormat(dlna.getFormat())) || (dlna.getPlayer() instanceof FFMpegVideo); } @Override public String getFFmpegVideoFilterOverride() { return "scale=" + getVideoWidth() + ":" + getVideoHeight(); } @Override public boolean isTranscodeToMPEGTSH264AC3() { return true; } @Override public boolean isTranscodeToMPEGTSH264AAC() { return true; } @Override public boolean nox264() { return true; } @Override public boolean addSubtitles() { return true; } @Override public BasicPlayer getPlayer() { if (player == null) { player = new WebPlayer(this); } return player; } @Override public String getSubLanguage() { if (!useWebSubLang() || StringUtils.isEmpty(subLang)) { return super.getSubLanguage(); } return subLang; } public void setSubLang(String s) { subLang = s; } private ArrayList<String[]> push; public void push(String... args) { push.add(args); } public String getPushData() { String json = ""; if (push.size() > 0) { json = gson.toJson(push); push.clear(); } return json; } @Override public void notify(String type, String msg) { push("notify", type, msg); } public void start(DLNAResource dlna) { if (getPlayingRes() != dlna) { stop(); } setPlayingRes(dlna); if (startStop == null) { startStop = new StartStopListenerDelegate(ip); } startStop.setRenderer(this); startStop.start(getPlayingRes()); } public void stop() { if (startStop == null) { return; } startStop.stop(); startStop = null; } public static class WebPlayer extends BasicPlayer.Logical { private HashMap<String, String> data; private Gson gson; public WebPlayer(WebRender renderer) { super(renderer); data = new HashMap<>(); gson = renderer.gson; LOGGER.debug("Created web player for " + renderer.getRendererName()); } @Override public void setURI(String uri, String metadata) { Playlist.Item item = resolveURI(uri, metadata); if (item != null) { DLNAResource r = DLNAResource.getValidResource(item.uri, item.name, renderer); if (r != null) { ((WebRender) renderer).push("seturl", "/play/" + r.getId()); return; } } LOGGER.debug("Bad uri " + uri); } @Override public void pause() { ((WebRender) renderer).push("control", "pause"); } @Override public void play() { ((WebRender) renderer).push("control", "play"); } @Override public void stop() { ((WebRender) renderer).push("control", "stop"); } @Override public void mute() { ((WebRender) renderer).push("control", "mute"); } @Override public void setVolume(int volume) { ((WebRender) renderer).push("control", "setvolume", "" + volume); } @Override public int getControls() { return renderer.pmsConfiguration.useWebControl() ? PLAYCONTROL | VOLUMECONTROL : 0; } @Override public void start() { DLNAResource d = renderer.getPlayingRes(); state.name = d.getDisplayName(); if (d.getMedia() != null) { state.duration = StringUtil.shortTime(d.getMedia().getDurationString(), 4); } } public void setData(String jsonData) { data = gson.fromJson(jsonData, data.getClass()); String s = data.get("playback"); state.playback = "STOPPED".equals(s) ? STOPPED : "PLAYING".equals(s) ? PLAYING : "PAUSED".equals(s) ? PAUSED : -1; state.mute = "0".equals(data.get("mute")) ? false : true; s = data.get("volume"); state.volume = s == null ? 0 : Integer.valueOf(s); long seconds = Integer.valueOf(data.get("position")); state.position = DurationFormatUtils.formatDuration(seconds * 1000, "HH:mm:ss"); alert(); if (state.playback == STOPPED) { ((WebRender) renderer).stop(); } } } }