1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "android_media_AudioDeviceAttributes.h"
18 #include "android_media_AudioErrors.h"
19 #include "core_jni_helpers.h"
20
21 #include <media/AudioDeviceTypeAddr.h>
22
23 using namespace android;
24
25 static jclass gAudioDeviceAttributesClass;
26 static jmethodID gAudioDeviceAttributesCstor;
27 static struct {
28 jfieldID mAddress;
29 jfieldID mNativeType;
30 // other fields unused by JNI
31 } gAudioDeviceAttributesFields;
32
33 namespace android {
34
createAudioDeviceAttributesFromNative(JNIEnv * env,jobject * jAudioDeviceAttributes,const AudioDeviceTypeAddr * devTypeAddr)35 jint createAudioDeviceAttributesFromNative(JNIEnv *env, jobject *jAudioDeviceAttributes,
36 const AudioDeviceTypeAddr *devTypeAddr) {
37 jint jStatus = (jint)AUDIO_JAVA_SUCCESS;
38 jint jNativeType = (jint)devTypeAddr->mType;
39 ScopedLocalRef<jstring> jAddress(env, env->NewStringUTF(devTypeAddr->getAddress()));
40
41 *jAudioDeviceAttributes =
42 env->NewObject(gAudioDeviceAttributesClass, gAudioDeviceAttributesCstor,
43 jNativeType, jAddress.get());
44
45 return jStatus;
46 }
47
createAudioDeviceTypeAddrFromJava(JNIEnv * env,AudioDeviceTypeAddr * devTypeAddr,const jobject jAudioDeviceAttributes)48 jint createAudioDeviceTypeAddrFromJava(JNIEnv *env, AudioDeviceTypeAddr *devTypeAddr,
49 const jobject jAudioDeviceAttributes) {
50 devTypeAddr->mType = (audio_devices_t)env->GetIntField(jAudioDeviceAttributes,
51 gAudioDeviceAttributesFields.mNativeType);
52
53 jstring jAddress = (jstring)env->GetObjectField(jAudioDeviceAttributes,
54 gAudioDeviceAttributesFields.mAddress);
55 devTypeAddr->setAddress(ScopedUtfChars(env, jAddress).c_str());
56
57 return AUDIO_JAVA_SUCCESS;
58 }
59
60 } // namespace android
61
register_android_media_AudioDeviceAttributes(JNIEnv * env)62 int register_android_media_AudioDeviceAttributes(JNIEnv *env) {
63 jclass audioDeviceTypeAddressClass =
64 FindClassOrDie(env, "android/media/AudioDeviceAttributes");
65 gAudioDeviceAttributesClass = MakeGlobalRefOrDie(env, audioDeviceTypeAddressClass);
66 gAudioDeviceAttributesCstor =
67 GetMethodIDOrDie(env, audioDeviceTypeAddressClass, "<init>", "(ILjava/lang/String;)V");
68
69 gAudioDeviceAttributesFields.mNativeType =
70 GetFieldIDOrDie(env, gAudioDeviceAttributesClass, "mNativeType", "I");
71 gAudioDeviceAttributesFields.mAddress =
72 GetFieldIDOrDie(env, gAudioDeviceAttributesClass, "mAddress", "Ljava/lang/String;");
73
74 return 0;
75 }
76