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 
21 /** @hide */
22 interface IMidiDeviceServer
23 {
openInputPort(IBinder token, int portNumber)24     FileDescriptor openInputPort(IBinder token, int portNumber);
openOutputPort(IBinder token, int portNumber)25     FileDescriptor openOutputPort(IBinder token, int portNumber);
closePort(IBinder token)26     void closePort(IBinder token);
closeDevice()27     oneway void closeDevice();
28 
29     // connects the input port pfd to the specified output port
30     // Returns the PID of the called process.
connectPorts(IBinder token, in FileDescriptor fd, int outputPortNumber)31     int connectPorts(IBinder token, in FileDescriptor fd, int outputPortNumber);
32 
getDeviceInfo()33     MidiDeviceInfo getDeviceInfo();
34 
35     // For use by MidiService.
setDeviceInfo(in MidiDeviceInfo deviceInfo)36     oneway void setDeviceInfo(in MidiDeviceInfo deviceInfo);
37 }
38