1/* 2 * Copyright (C) 2014 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 17package android.media.midi; 18 19import android.media.midi.MidiDeviceInfo; 20import android.os.ParcelFileDescriptor; 21 22/** @hide */ 23interface IMidiDeviceServer 24{ 25 ParcelFileDescriptor openInputPort(IBinder token, int portNumber); 26 ParcelFileDescriptor openOutputPort(IBinder token, int portNumber); 27 void closePort(IBinder token); 28 void closeDevice(); 29 30 // connects the input port pfd to the specified output port 31 // Returns the PID of the called process. 32 int connectPorts(IBinder token, in ParcelFileDescriptor pfd, int outputPortNumber); 33 34 MidiDeviceInfo getDeviceInfo(); 35 void setDeviceInfo(in MidiDeviceInfo deviceInfo); 36} 37