| /* |
| * Copyright (c) 2002, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| //#define USE_TRACE |
| //#define USE_ERROR |
| |
| |
| #include <jni.h> |
| #include "SoundDefs.h" |
| #include "DirectAudio.h" |
| #include "Utilities.h" |
| #include "com_sun_media_sound_DirectAudioDeviceProvider.h" |
| |
| |
| //////////////////////////////////////////// DirectAudioDeviceProvider //////////////////////////////////////////// |
| |
| int getDirectAudioDeviceDescription(int mixerIndex, DirectAudioDeviceDescription* desc) { |
| desc->deviceID = 0; |
| desc->maxSimulLines = 0; |
| strcpy(desc->name, "Unknown Name"); |
| strcpy(desc->vendor, "Unknown Vendor"); |
| strcpy(desc->description, "Unknown Description"); |
| strcpy(desc->version, "Unknown Version"); |
| #if USE_DAUDIO == TRUE |
| DAUDIO_GetDirectAudioDeviceDescription(mixerIndex, desc); |
| #endif // USE_DAUDIO |
| return TRUE; |
| } |
| |
| JNIEXPORT jint JNICALL Java_com_sun_media_sound_DirectAudioDeviceProvider_nGetNumDevices(JNIEnv *env, jclass cls) { |
| INT32 numDevices = 0; |
| |
| TRACE0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nGetNumDevices.\n"); |
| |
| #if USE_DAUDIO == TRUE |
| numDevices = DAUDIO_GetDirectAudioDeviceCount(); |
| #endif // USE_DAUDIO |
| |
| TRACE1("Java_com_sun_media_sound_DirectAudioDeviceProvider_nGetNumDevices returning %d.\n", (int) numDevices); |
| |
| return (jint)numDevices; |
| } |
| |
| JNIEXPORT jobject JNICALL Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo |
| (JNIEnv *env, jclass cls, jint mixerIndex) { |
| |
| jclass directAudioDeviceInfoClass; |
| jmethodID directAudioDeviceInfoConstructor; |
| DirectAudioDeviceDescription desc; |
| jobject info = NULL; |
| TRACE1("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo(%d).\n", mixerIndex); |
| |
| // retrieve class and constructor of DirectAudioDeviceProvider.DirectAudioDeviceInfo |
| directAudioDeviceInfoClass = (*env)->FindClass(env, IMPLEMENTATION_PACKAGE_NAME"/DirectAudioDeviceProvider$DirectAudioDeviceInfo"); |
| if (directAudioDeviceInfoClass == NULL) { |
| ERROR0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo: directAudioDeviceInfoClass is NULL\n"); |
| return NULL; |
| } |
| directAudioDeviceInfoConstructor = (*env)->GetMethodID(env, directAudioDeviceInfoClass, "<init>", |
| "(IIILjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"); |
| if (directAudioDeviceInfoConstructor == NULL) { |
| ERROR0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo: directAudioDeviceInfoConstructor is NULL\n"); |
| return NULL; |
| } |
| |
| TRACE1("Get description for device %d\n", mixerIndex); |
| |
| if (getDirectAudioDeviceDescription(mixerIndex, &desc)) { |
| // create a new DirectAudioDeviceInfo object and return it |
| info = (*env)->NewObject(env, directAudioDeviceInfoClass, directAudioDeviceInfoConstructor, |
| mixerIndex, |
| desc.deviceID, |
| desc.maxSimulLines, |
| (*env)->NewStringUTF(env, desc.name), |
| (*env)->NewStringUTF(env, desc.vendor), |
| (*env)->NewStringUTF(env, desc.description), |
| (*env)->NewStringUTF(env, desc.version)); |
| } else { |
| ERROR1("ERROR: getDirectAudioDeviceDescription(%d, desc) returned FALSE!\n", mixerIndex); |
| } |
| |
| TRACE0("Java_com_sun_media_sound_DirectAudioDeviceProvider_nNewDirectAudioDeviceInfo succeeded.\n"); |
| return info; |
| } |