1 /* 2 * Copyright (C) 2018 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 #ifndef ANDROID_MEDIA_AMIDI_INTERNAL_H_ 18 #define ANDROID_MEDIA_AMIDI_INTERNAL_H_ 19 20 #include <jni.h> 21 22 #include "android/media/midi/BpMidiDeviceServer.h" 23 24 typedef struct { 25 int32_t type; /* one of AMIDI_DEVICE_TYPE_* constants */ 26 int32_t inputPortCount; /* number of input (send) ports associated with the device */ 27 int32_t outputPortCount; /* number of output (received) ports associated with the device */ 28 } AMidiDeviceInfo; 29 30 struct AMidiDevice { 31 android::sp<android::media::midi::BpMidiDeviceServer> 32 server; /* The Binder interface to the MIDI server (from the Java MidiDevice) */ 33 int32_t deviceId; /* The integer id of the device assigned in the Java API */ 34 JavaVM* javaVM; /* The Java VM (so we can obtain the JNIEnv in the 35 AMidiDevice_close function) */ 36 jobject midiDeviceObj; /* NewGlobalRef() reference to the Java MidiDevice associated with 37 this native AMidiDevice. */ 38 AMidiDeviceInfo deviceInfo; /* Attributes of the device. */ 39 }; 40 41 #endif // ANDROID_MEDIA_AMIDI_INTERNAL_H_ 42