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;
20
21/** @hide */
22interface IMidiDeviceServer
23{
24    FileDescriptor openInputPort(IBinder token, int portNumber);
25    FileDescriptor openOutputPort(IBinder token, int portNumber);
26    void closePort(IBinder token);
27    oneway void closeDevice();
28
29    // connects the input port pfd to the specified output port
30    // Returns the PID of the called process.
31    int connectPorts(IBinder token, in FileDescriptor fd, int outputPortNumber);
32
33    MidiDeviceInfo getDeviceInfo();
34
35    // For use by MidiService.
36    oneway void setDeviceInfo(in MidiDeviceInfo deviceInfo);
37}
38