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.sound; 27 28 import javax.sound.sampled.Mixer; 29 import javax.sound.sampled.spi.MixerProvider; 30 31 32 /** 33 * DirectAudioDevice provider. 34 * 35 * @author Florian Bomers 36 */ 37 public final class DirectAudioDeviceProvider extends MixerProvider { 38 39 // STATIC VARIABLES 40 41 /** 42 * Set of info objects for all port input devices on the system. 43 */ 44 private static DirectAudioDeviceInfo[] infos; 45 46 /** 47 * Set of all port input devices on the system. 48 */ 49 private static DirectAudioDevice[] devices; 50 51 52 // STATIC 53 54 static { 55 // initialize 56 Platform.initialize(); 57 } 58 59 60 // CONSTRUCTOR 61 62 63 /** 64 * Required public no-arg constructor. 65 */ 66 public DirectAudioDeviceProvider() { 67 synchronized (DirectAudioDeviceProvider.class) { 68 if (Platform.isDirectAudioEnabled()) { 69 init(); 70 } else { 71 infos = new DirectAudioDeviceInfo[0]; 72 devices = new DirectAudioDevice[0]; 73 } 74 } 75 } 76 77 private static void init() { 78 // get the number of input devices 79 int numDevices = nGetNumDevices(); 80 81 if (infos == null || infos.length != numDevices) { 82 if (Printer.trace) Printer.trace("DirectAudioDeviceProvider: init()"); 83 // initialize the arrays 84 infos = new DirectAudioDeviceInfo[numDevices]; 85 devices = new DirectAudioDevice[numDevices]; 86 87 // fill in the info objects now. 88 for (int i = 0; i < infos.length; i++) { 89 infos[i] = nNewDirectAudioDeviceInfo(i); 90 } 91 if (Printer.trace) Printer.trace("DirectAudioDeviceProvider: init(): found numDevices: " + numDevices); 92 } 93 } 94 95 public Mixer.Info[] getMixerInfo() { 96 synchronized (DirectAudioDeviceProvider.class) { 97 Mixer.Info[] localArray = new Mixer.Info[infos.length]; 98 System.arraycopy(infos, 0, localArray, 0, infos.length); 99 return localArray; 100 } 101 } 102 103 104 public Mixer getMixer(Mixer.Info info) { 105 synchronized (DirectAudioDeviceProvider.class) { 106 // if the default device is asked, we provide the mixer 107 // with SourceDataLine's 108 if (info == null) { 109 for (int i = 0; i < infos.length; i++) { 110 Mixer mixer = getDevice(infos[i]); 111 if (mixer.getSourceLineInfo().length > 0) { 112 return mixer; 113 } 114 } 115 } 116 // otherwise get the first mixer that matches 117 // the requested info object 118 for (int i = 0; i < infos.length; i++) { 119 if (infos[i].equals(info)) { 120 return getDevice(infos[i]); 121 } 122 } 123 } 124 throw new IllegalArgumentException( 125 String.format("Mixer %s not supported by this provider", info)); 126 } 127 128 129 private static Mixer getDevice(DirectAudioDeviceInfo info) { 130 int index = info.getIndex(); 131 if (devices[index] == null) { 132 devices[index] = new DirectAudioDevice(info); 133 } 134 return devices[index]; 135 } 136 137 // INNER CLASSES 138 139 140 /** 141 * Info class for DirectAudioDevices. Adds an index value and a string for 142 * making native references to a particular device. 143 * This constructor is called from native. 144 */ 145 static final class DirectAudioDeviceInfo extends Mixer.Info { 146 private final int index; 147 private final int maxSimulLines; 148 149 // For ALSA, the deviceID contains the encoded card index, device index, and sub-device-index 150 private final int deviceID; 151 152 private DirectAudioDeviceInfo(int index, int deviceID, int maxSimulLines, 153 String name, String vendor, 154 String description, String version) { 155 super(name, vendor, "Direct Audio Device: "+description, version); 156 this.index = index; 157 this.maxSimulLines = maxSimulLines; 158 this.deviceID = deviceID; 159 } 160 161 int getIndex() { 162 return index; 163 } 164 165 int getMaxSimulLines() { 166 return maxSimulLines; 167 } 168 169 int getDeviceID() { 170 return deviceID; 171 } 172 } // class DirectAudioDeviceInfo 173 174 // NATIVE METHODS 175 private static native int nGetNumDevices(); 176 // index: [0..nGetNumDevices()-1] 177 private static native DirectAudioDeviceInfo nNewDirectAudioDeviceInfo(int deviceIndex); 178 } | 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.sound; 27 28 import javax.sound.sampled.Mixer; 29 import javax.sound.sampled.spi.MixerProvider; 30 31 /** 32 * DirectAudioDevice provider. 33 * 34 * @author Florian Bomers 35 */ 36 public final class DirectAudioDeviceProvider extends MixerProvider { 37 38 /** 39 * Set of info objects for all port input devices on the system. 40 */ 41 private static DirectAudioDeviceInfo[] infos; 42 43 /** 44 * Set of all port input devices on the system. 45 */ 46 private static DirectAudioDevice[] devices; 47 48 static { 49 // initialize 50 Platform.initialize(); 51 } 52 53 /** 54 * Required public no-arg constructor. 55 */ 56 public DirectAudioDeviceProvider() { 57 synchronized (DirectAudioDeviceProvider.class) { 58 if (Platform.isDirectAudioEnabled()) { 59 init(); 60 } else { 61 infos = new DirectAudioDeviceInfo[0]; 62 devices = new DirectAudioDevice[0]; 63 } 64 } 65 } 66 67 private static void init() { 68 // get the number of input devices 69 int numDevices = nGetNumDevices(); 70 71 if (infos == null || infos.length != numDevices) { 72 if (Printer.trace) Printer.trace("DirectAudioDeviceProvider: init()"); 73 // initialize the arrays 74 infos = new DirectAudioDeviceInfo[numDevices]; 75 devices = new DirectAudioDevice[numDevices]; 76 77 // fill in the info objects now. 78 for (int i = 0; i < infos.length; i++) { 79 infos[i] = nNewDirectAudioDeviceInfo(i); 80 } 81 if (Printer.trace) Printer.trace("DirectAudioDeviceProvider: init(): found numDevices: " + numDevices); 82 } 83 } 84 85 @Override 86 public Mixer.Info[] getMixerInfo() { 87 synchronized (DirectAudioDeviceProvider.class) { 88 Mixer.Info[] localArray = new Mixer.Info[infos.length]; 89 System.arraycopy(infos, 0, localArray, 0, infos.length); 90 return localArray; 91 } 92 } 93 94 @Override 95 public Mixer getMixer(Mixer.Info info) { 96 synchronized (DirectAudioDeviceProvider.class) { 97 // if the default device is asked, we provide the mixer 98 // with SourceDataLine's 99 if (info == null) { 100 for (int i = 0; i < infos.length; i++) { 101 Mixer mixer = getDevice(infos[i]); 102 if (mixer.getSourceLineInfo().length > 0) { 103 return mixer; 104 } 105 } 106 } 107 // otherwise get the first mixer that matches 108 // the requested info object 109 for (int i = 0; i < infos.length; i++) { 110 if (infos[i].equals(info)) { 111 return getDevice(infos[i]); 112 } 113 } 114 } 115 throw new IllegalArgumentException( 116 String.format("Mixer %s not supported by this provider", info)); 117 } 118 119 private static Mixer getDevice(DirectAudioDeviceInfo info) { 120 int index = info.getIndex(); 121 if (devices[index] == null) { 122 devices[index] = new DirectAudioDevice(info); 123 } 124 return devices[index]; 125 } 126 127 /** 128 * Info class for DirectAudioDevices. Adds an index value and a string for 129 * making native references to a particular device. 130 * This constructor is called from native. 131 */ 132 static final class DirectAudioDeviceInfo extends Mixer.Info { 133 private final int index; 134 private final int maxSimulLines; 135 136 // For ALSA, the deviceID contains the encoded card index, device index, and sub-device-index 137 private final int deviceID; 138 139 private DirectAudioDeviceInfo(int index, int deviceID, int maxSimulLines, 140 String name, String vendor, 141 String description, String version) { 142 super(name, vendor, "Direct Audio Device: "+description, version); 143 this.index = index; 144 this.maxSimulLines = maxSimulLines; 145 this.deviceID = deviceID; 146 } 147 148 int getIndex() { 149 return index; 150 } 151 152 int getMaxSimulLines() { 153 return maxSimulLines; 154 } 155 156 int getDeviceID() { 157 return deviceID; 158 } 159 } // class DirectAudioDeviceInfo 160 161 private static native int nGetNumDevices(); 162 // index: [0..nGetNumDevices()-1] 163 private static native DirectAudioDeviceInfo nNewDirectAudioDeviceInfo(int deviceIndex); 164 } |