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