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 28 29#include <jni.h> 30#include <jni_util.h> 31#include "SoundDefs.h" 32#include "Ports.h" 33#include "Utilities.h" 34#include "com_sun_media_sound_PortMixerProvider.h" 35 36 37//////////////////////////////////////////// PortMixerProvider //////////////////////////////////////////// 38 39int getPortMixerDescription(int mixerIndex, PortMixerDescription* desc) { 40 strcpy(desc->name, "Unknown Name"); 41 strcpy(desc->vendor, "Unknown Vendor"); 42 strcpy(desc->description, "Port Mixer"); 43 strcpy(desc->version, "Unknown Version"); 44#if USE_PORTS == TRUE 45 PORT_GetPortMixerDescription(mixerIndex, desc); 46#endif // USE_PORTS 47 return TRUE; 48} 49 50JNIEXPORT jint JNICALL Java_com_sun_media_sound_PortMixerProvider_nGetNumDevices(JNIEnv *env, jclass cls) { 51 INT32 numDevices = 0; 52 53 TRACE0("Java_com_sun_media_sound_PortMixerProvider_nGetNumDevices.\n"); 54 55#if USE_PORTS == TRUE 56 numDevices = PORT_GetPortMixerCount(); 57#endif // USE_PORTS 58 59 TRACE1("Java_com_sun_media_sound_PortMixerProvider_nGetNumDevices returning %d.\n", (int) numDevices); 60 61 return (jint)numDevices; 62} 63 64JNIEXPORT jobject JNICALL Java_com_sun_media_sound_PortMixerProvider_nNewPortMixerInfo(JNIEnv *env, jclass cls, jint mixerIndex) { 65 jclass portMixerInfoClass; 66 jmethodID portMixerInfoConstructor; 67 PortMixerDescription desc; 68 jobject info = NULL; 69 jstring name; 70 jstring vendor; 71 jstring description; 72 jstring version; 73 74 TRACE1("Java_com_sun_media_sound_PortMixerProvider_nNewPortMixerInfo(%d).\n", mixerIndex); 75 76 // retrieve class and constructor of PortMixerProvider.PortMixerInfo 77 portMixerInfoClass = (*env)->FindClass(env, IMPLEMENTATION_PACKAGE_NAME"/PortMixerProvider$PortMixerInfo"); 78 if (portMixerInfoClass == NULL) { 79 ERROR0("Java_com_sun_media_sound_PortMixerProvider_nNewPortMixerInfo: portMixerInfoClass is NULL\n"); 80 return NULL; 81 } 82 portMixerInfoConstructor = (*env)->GetMethodID(env, portMixerInfoClass, "<init>", 83 "(ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"); 84 if (portMixerInfoConstructor == NULL) { 85 ERROR0("Java_com_sun_media_sound_PortMixerProvider_nNewPortMixerInfo: portMixerInfoConstructor is NULL\n"); 86 return NULL; 87 } 88 89 if (getPortMixerDescription(mixerIndex, &desc)) { 90 // create a new PortMixerInfo object and return it 91 name = (*env)->NewStringUTF(env, desc.name); 92 CHECK_NULL_RETURN(name, info); 93 vendor = (*env)->NewStringUTF(env, desc.vendor); 94 CHECK_NULL_RETURN(vendor, info); 95 description = (*env)->NewStringUTF(env, desc.description); 96 CHECK_NULL_RETURN(description, info); 97 version = (*env)->NewStringUTF(env, desc.version); 98 CHECK_NULL_RETURN(version, info); 99 info = (*env)->NewObject(env, portMixerInfoClass, 100 portMixerInfoConstructor, mixerIndex, 101 name, vendor, description, version); 102 } 103 104 TRACE0("Java_com_sun_media_sound_PortMixerProvider_nNewPortMixerInfo succeeded.\n"); 105 return info; 106} 107