1 /* 2 * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.media.jfxmediaimpl.platform; 27 28 import com.sun.media.jfxmedia.Media; 29 import com.sun.media.jfxmedia.MediaPlayer; 30 import com.sun.media.jfxmedia.MetadataParser; 31 import com.sun.media.jfxmedia.locator.Locator; 32 import com.sun.media.jfxmedia.logging.Logger; 33 import com.sun.media.jfxmediaimpl.platform.java.JavaPlatform; 34 import com.sun.media.jfxmediaimpl.HostUtils; 35 import com.sun.media.jfxmediaimpl.platform.gstreamer.GSTPlatform; 36 import com.sun.media.jfxmediaimpl.platform.osx.OSXPlatform; 37 import com.sun.media.jfxmediaimpl.platform.ios.IOSPlatform; 38 import java.security.AccessController; 39 import java.security.PrivilegedAction; 40 import java.util.ArrayList; 41 import java.util.Iterator; 42 import java.util.List; 43 44 /** 45 * Core media platform management code. 46 */ 47 public final class PlatformManager { 48 private static String enabledPlatforms; 49 static { 50 AccessController.doPrivileged((PrivilegedAction) () -> { 51 getPlatformSettings(); 52 return null; 53 }); 54 } 55 56 private static void getPlatformSettings() { 57 // get enabled platforms, comma separated list, e.g., -Djfxmedia.platforms=GSTPlatform,OSXPlatform 58 enabledPlatforms = System.getProperty("jfxmedia.platforms", "").toLowerCase(); 59 } 60 61 private static boolean isPlatformEnabled(String name) { 62 if (null == enabledPlatforms || enabledPlatforms.length() == 0) { 63 // everything enabled 64 return true; 65 } 66 return (enabledPlatforms.indexOf(name.toLowerCase()) != -1); 67 } 68 69 private static final class PlatformManagerInitializer { 70 private static final PlatformManager globalInstance = new PlatformManager(); 71 } 72 73 public static PlatformManager getManager() { 74 return PlatformManagerInitializer.globalInstance; 75 } 76 77 private final List<Platform> platforms; 78 79 private PlatformManager() { 80 platforms = new ArrayList<Platform>(); 81 82 Platform platty; 83 84 // Now "universal" platform(s) 85 if (isPlatformEnabled("JavaPlatform")) { 86 platty = JavaPlatform.getPlatformInstance(); 87 if (null != platty) { 88 platforms.add(platty); 89 } 90 } 91 92 if (!HostUtils.isIOS() && isPlatformEnabled("GSTPlatform")) { 93 platty = GSTPlatform.getPlatformInstance(); 94 if (null != platty) { 95 platforms.add(platty); 96 } 97 } 98 99 // Add after GSTPlatform so it's used as a fallback 100 if (HostUtils.isMacOSX() && isPlatformEnabled("OSXPlatform")) { 101 platty = OSXPlatform.getPlatformInstance(); 102 if (null != platty) { 103 platforms.add(platty); 104 } 105 } 106 107 if (HostUtils.isIOS() && isPlatformEnabled("IOSPlatform")) { 108 platty = IOSPlatform.getPlatformInstance(); 109 if (null != platty) { 110 platforms.add(platty); 111 } 112 } 113 114 if (Logger.canLog(Logger.DEBUG)) { 115 StringBuilder sb = new StringBuilder("Enabled JFXMedia platforms: "); 116 for (Platform p : platforms) { 117 sb.append("\n - "); 118 sb.append(p.getClass().getName()); 119 } 120 Logger.logMsg(Logger.DEBUG, sb.toString()); 121 } 122 } 123 124 public synchronized void preloadPlatforms() { 125 for (Platform platty : platforms) { 126 platty.preloadPlatform(); 127 } 128 } 129 130 public synchronized void loadPlatforms() { 131 // Use an iterator so we can remove on failure 132 Iterator<Platform> iter = platforms.iterator(); 133 while (iter.hasNext()) { 134 Platform platty = iter.next(); 135 if (!platty.loadPlatform()) { 136 if (Logger.canLog(Logger.DEBUG)) { 137 Logger.logMsg(Logger.DEBUG, "Failed to load platform: "+platty); 138 } 139 // remove it so it can't be reused 140 iter.remove(); 141 } 142 } 143 } 144 145 public List<String> getSupportedContentTypes() { 146 ArrayList<String> outTypes = new ArrayList<String>(); 147 148 if (!platforms.isEmpty()) { 149 for (Platform platty : platforms) { 150 String[] npt = platty.getSupportedContentTypes(); 151 if (npt != null) { 152 for (String type : npt) { 153 if (!outTypes.contains(type)) { 154 outTypes.add(type); 155 } 156 } 157 } 158 } 159 } 160 161 return outTypes; 162 } 163 164 public MetadataParser createMetadataParser(Locator source) { 165 for (Platform platty : platforms) { 166 MetadataParser parser = platty.createMetadataParser(source); 167 if (parser != null) { 168 return parser; 169 } 170 } 171 172 return null; 173 } 174 175 // FIXME: Make Media non-platform specific, it doesn't need to be 176 public Media createMedia(Locator source) { 177 String mimeType = source.getContentType(); 178 // go down the list until we get one that can be created 179 for (Platform platty : platforms) { 180 if (platty.canPlayContentType(mimeType)) { 181 Media outMedia = platty.createMedia(source); 182 if (null != outMedia) { 183 return outMedia; 184 } 185 } 186 } 187 188 return null; 189 } 190 191 public MediaPlayer createMediaPlayer(Locator source) { 192 String mimeType = source.getContentType(); 193 // go down the list until we get one that can be created 194 for (Platform platty : platforms) { 195 if (platty.canPlayContentType(mimeType)) { 196 // attempt to preroll the player 197 Object cookie = platty.prerollMediaPlayer(source); 198 if (null != cookie) { 199 // OK to play, go ahead with player creation 200 MediaPlayer outPlayer = platty.createMediaPlayer(source, cookie); 201 if (null != outPlayer) { 202 return outPlayer; 203 } 204 } 205 } 206 } 207 208 return null; 209 } 210 }