1 /*
2 * Copyright (c) 2010, 2015, 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 import java.util.Arrays;
38
39 /**
40 * GStreamer platform implementation.
41 */
42 public final class GSTPlatform extends Platform {
43 /**
44 * The MIME types of all supported media.
45 */
46 private static final String[] CONTENT_TYPES = {
47 "audio/x-aiff",
48 "audio/mp3",
49 "audio/mpeg",
50 "audio/x-wav",
51 "video/x-javafx",
52 "video/x-flv",
53 "video/x-fxm",
54 "video/mp4",
55 "audio/x-m4a",
56 "video/x-m4v",
57 "application/vnd.apple.mpegurl",
58 "audio/mpegurl"
59 };
60
61 /**
62 * All supported protocols.
63 */
64 private static final String[] PROTOCOLS = {
65 "file",
66 "http",
67 "https"
68 };
69
70 private static GSTPlatform globalInstance = null;
71
72 @Override
73 public boolean loadPlatform() {
74 // Initialize GStreamer JNI and supporting native classes.
75 MediaError ret;
76 try {
77 ret = MediaError.getFromCode(gstInitPlatform());
78 } catch (UnsatisfiedLinkError ule) {
79 ret = MediaError.ERROR_MANAGER_ENGINEINIT_FAIL;
80 }
81 // Post an error if native initialization fails.
82 if (ret != MediaError.ERROR_NONE) {
83 MediaUtils.nativeError(GSTPlatform.class, ret);
84 }
85 return true;
86 }
87
88 /*
89 * Get an instance of the platform.
90 */
91 public static synchronized Platform getPlatformInstance() {
92 if (null == globalInstance) {
93 globalInstance = new GSTPlatform();
94 }
95
96 return globalInstance;
97 }
98
99 private GSTPlatform() {}
100
101 @Override
102 public String[] getSupportedContentTypes() {
103 return Arrays.copyOf(CONTENT_TYPES, CONTENT_TYPES.length);
104 }
105
106 @Override
107 public String[] getSupportedProtocols() {
108 return Arrays.copyOf(PROTOCOLS, PROTOCOLS.length);
109 }
110
111 @Override
112 public Media createMedia(Locator source) {
113 return new GSTMedia(source);
114 }
115
116 @Override
117 public MediaPlayer createMediaPlayer(Locator source) {
118 GSTMediaPlayer player;
119 try {
120 player = new GSTMediaPlayer(source);
121 } catch (Exception e) {
122 if (Logger.canLog(Logger.DEBUG)) {
123 Logger.logMsg(Logger.DEBUG, "GSTPlatform caught exception while creating media player: "+e);
124 }
125 return null;
126 }
127
128 // Special case for H.264 decoding on Mac OS X.
129 if (HostUtils.isMacOSX()) {
130 String contentType = source.getContentType();
131 if ("video/mp4".equals(contentType) || "video/x-m4v".equals(contentType)
132 || source.getStringLocation().endsWith(".m3u8"))
133 {
134 // Block until player transitions to READY or HALTED.
135
136 // Timeouts in milliseconds.
137 String scheme = source.getURI().getScheme();
138 final long timeout = (scheme.equals("http") || scheme.equals("https")) ?
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 }