1 /*
2 * Copyright (c) 2002, 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 //#define USE_TRACE
27 //#define USE_ERROR
28
29
30 #include <jni.h>
31 #include <jni_util.h>
32 #include "SoundDefs.h"
33 #include "DirectAudio.h"
34 #include "Utilities.h"
35 #include "com_sun_media_sound_DirectAudioDeviceProvider.h"
36
37
38 //////////////////////////////////////////// DirectAudioDeviceProvider ////////////////////////////////////////////
39
getDirectAudioDeviceDescription(int mixerIndex,DirectAudioDeviceDescription * desc)40 int getDirectAudioDeviceDescription(int mixerIndex, DirectAudioDeviceDescription* desc) {
41 desc->deviceID = 0;
42 desc->maxSimulLines = 0;
43 strcpy(desc->name, "Unknown Name");
44 strcpy(desc->vendor, "Unknown Vendor");
45 strcpy(desc->description, "Unknown Description");
46 strcpy(desc->version, "Unknown Version");
47 #if USE_DAUDIO == TRUE
48 DAUDIO_GetDirectAudioDeviceDescription(mixerIndex, desc);
49 #endif // USE_DAUDIO
50 return TRUE;
51 }
52
Java_com_sun_media_sound_DirectAudioDeviceProvider_nGetNumDevices(JNIEnv * env,jclass cls)53 JNIEXPORT jint JNICALL Java_com_sun_media_sound_DirectAudioDeviceProvider_nGetNumDevices(JNIEnv *env, jclass cls) {
54 INT32 numDevices = 0;
55
56 TRACE0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nGetNumDevices.\n");
57
58 #if USE_DAUDIO == TRUE
59 numDevices = DAUDIO_GetDirectAudioDeviceCount();
60 #endif // USE_DAUDIO
61
62 TRACE1("Java_com_sun_media_sound_DirectAudioDeviceProvider_nGetNumDevices returning %d.\n", (int) numDevices);
63
64 return (jint)numDevices;
65 }
66
Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo(JNIEnv * env,jclass cls,jint mixerIndex)67 JNIEXPORT jobject JNICALL Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo
68 (JNIEnv *env, jclass cls, jint mixerIndex) {
69
70 jclass directAudioDeviceInfoClass;
71 jmethodID directAudioDeviceInfoConstructor;
72 DirectAudioDeviceDescription desc;
73 jobject info = NULL;
74 jstring name;
75 jstring vendor;
76 jstring description;
77 jstring version;
78
79 TRACE1("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo(%d).\n", mixerIndex);
80
81 // retrieve class and constructor of DirectAudioDeviceProvider.DirectAudioDeviceInfo
82 directAudioDeviceInfoClass = (*env)->FindClass(env, IMPLEMENTATION_PACKAGE_NAME"/DirectAudioDeviceProvider$DirectAudioDeviceInfo");
83 if (directAudioDeviceInfoClass == NULL) {
84 ERROR0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo: directAudioDeviceInfoClass is NULL\n");
85 return NULL;
86 }
87 directAudioDeviceInfoConstructor = (*env)->GetMethodID(env, directAudioDeviceInfoClass, "<init>",
88 "(IIILjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
89 if (directAudioDeviceInfoConstructor == NULL) {
90 ERROR0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo: directAudioDeviceInfoConstructor is NULL\n");
91 return NULL;
92 }
93
94 TRACE1("Get description for device %d\n", mixerIndex);
95
96 if (getDirectAudioDeviceDescription(mixerIndex, &desc)) {
97 // create a new DirectAudioDeviceInfo object and return it
98 name = (*env)->NewStringUTF(env, desc.name);
99 CHECK_NULL_RETURN(name, info);
100 vendor = (*env)->NewStringUTF(env, desc.vendor);
101 CHECK_NULL_RETURN(vendor, info);
102 description = (*env)->NewStringUTF(env, desc.description);
103 CHECK_NULL_RETURN(description, info);
104 version = (*env)->NewStringUTF(env, desc.version);
105 CHECK_NULL_RETURN(version, info);
106 info = (*env)->NewObject(env, directAudioDeviceInfoClass,
107 directAudioDeviceInfoConstructor, mixerIndex,
108 desc.deviceID, desc.maxSimulLines,
109 name, vendor, description, version);
110 } else {
111 ERROR1("ERROR: getDirectAudioDeviceDescription(%d, desc) returned FALSE!\n", mixerIndex);
112 }
113
114 TRACE0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo succeeded.\n");
115 return info;
116 }
117