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.gstreamer;
27
28 import com.sun.media.jfxmedia.Media;
29 import com.sun.media.jfxmedia.MediaError;
30 import com.sun.media.jfxmedia.MediaPlayer;
31 import com.sun.media.jfxmedia.events.PlayerStateEvent.PlayerState;
32 import com.sun.media.jfxmedia.locator.Locator;
33 import com.sun.media.jfxmedia.logging.Logger;
34 import com.sun.media.jfxmediaimpl.HostUtils;
35 import com.sun.media.jfxmediaimpl.MediaUtils;
36 import com.sun.media.jfxmediaimpl.platform.Platform;
37
38 /**
39 * GStreamer platform implementation.
40 */
41 public final class GSTPlatform extends Platform {
42 /**
43 * The MIME types of all supported media.
44 */
45 private static final String[] CONTENT_TYPES = {
46 "audio/x-aiff",
47 "audio/mp3",
48 "audio/mpeg",
49 "audio/x-wav",
50 "video/x-javafx",
51 "video/x-flv",
52 "video/x-fxm",
53 "video/mp4",
54 "audio/x-m4a",
55 "video/x-m4v",
56 "application/vnd.apple.mpegurl",
57 "audio/mpegurl"
58 };
59
60 private static GSTPlatform globalInstance = null;
61
62 // HACK: move this back to native when we fix the jdeveloper crash
63 private static final String[] contentTypes;
64
65 static {
66 // HACK: remove this when we go back to polling native
67 if (!HostUtils.isMacOSX()) {
68 contentTypes = new String[CONTENT_TYPES.length];
69 System.arraycopy(CONTENT_TYPES, 0, contentTypes,
70 0, CONTENT_TYPES.length);
71 } else {
72 contentTypes = CONTENT_TYPES;
73 }
74 }
75
76 @Override
77 public boolean loadPlatform() {
78 // Initialize GStreamer JNI and supporting native classes.
79 MediaError ret;
80 try {
81 ret = MediaError.getFromCode(gstInitPlatform());
82 } catch (UnsatisfiedLinkError ule) {
83 ret = MediaError.ERROR_MANAGER_ENGINEINIT_FAIL;
84 }
85 // Post an error if native initialization fails.
86 if (ret != MediaError.ERROR_NONE) {
87 MediaUtils.nativeError(GSTPlatform.class, ret);
88 }
89 return true;
90 }
91
92 /*
93 * Get an instance of the platform.
94 */
95 public static synchronized Platform getPlatformInstance() {
96 if (null == globalInstance) {
97 globalInstance = new GSTPlatform();
98 }
99
100 return globalInstance;
101 }
102
103 private GSTPlatform() {}
104
105 @Override
106 public String[] getSupportedContentTypes() {
107 String[] contentTypesCopy = new String[contentTypes.length];
108 System.arraycopy(contentTypes, 0, contentTypesCopy, 0, contentTypes.length);
109 return contentTypesCopy;
110 }
111
112 @Override
113 public Media createMedia(Locator source) {
114 return new GSTMedia(source);
115 }
116
117 @Override
118 public MediaPlayer createMediaPlayer(Locator source) {
119 GSTMediaPlayer player;
120 try {
121 player = new GSTMediaPlayer(source);
122 } catch (Exception e) {
123 if (Logger.canLog(Logger.DEBUG)) {
124 Logger.logMsg(Logger.DEBUG, "GSTPlatform caught exception while creating media player: "+e);
125 }
126 return null;
127 }
128
129 // Special case for H.264 decoding on Mac OS X.
130 if (HostUtils.isMacOSX()) {
131 String contentType = source.getContentType();
132 if ("video/mp4".equals(contentType) || "video/x-m4v".equals(contentType)
133 || source.getStringLocation().endsWith(".m3u8"))
134 {
135 // Block until player transitions to READY or HALTED.
136
137 // Timeouts in milliseconds.
138 final long timeout = source.getURI().getScheme().equals("http") ?
139 60000L : 5000L;
140 final long iterationTime = 50L;
141 long timeWaited = 0L;
142
143 final Object lock = new Object();
144 PlayerState state = player.getState();
145
146 while (timeWaited < timeout &&
147 (state == PlayerState.UNKNOWN || state == PlayerState.STALLED)) {
148 try {
149 synchronized(lock) {
150 lock.wait(iterationTime);
151 timeWaited += iterationTime;
152 }
153 } catch (InterruptedException ex) {
154 // Ignore it.
155 }
156
157 state = player.getState();
158 }
159
160 // If the player is not READY, an error occurred.
161 if (player.getState() != PlayerState.READY) {
162 player.dispose();
163 player = null;
164 }
165 }
166 }
167 return player;
168 }
169
170 /**
171 * Initialize the native peer of this media manager.
172 *
173 * @return A status code.
174 */
175 private static native int gstInitPlatform();
176 }