Mike Lockwood | f0a41d1 | 2015-03-24 08:27:11 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 com.android.bluetoothmidiservice; |
| 18 | |
| 19 | import android.media.midi.MidiReceiver; |
| 20 | |
| 21 | /** |
| 22 | * This is an abstract base class that encodes MIDI data into a packet buffer. |
| 23 | * PacketEncoder receives data via its {@link android.media.midi.MidiReceiver#onReceive} method |
| 24 | * and notifies its client of packets to write via the {@link PacketEncoder.PacketReceiver} |
| 25 | * interface. |
| 26 | */ |
| 27 | public abstract class PacketEncoder extends MidiReceiver { |
| 28 | |
| 29 | public interface PacketReceiver { |
| 30 | /** Called to write an accumulated packet. |
| 31 | * @param buffer the packet buffer to write |
| 32 | * @param count the number of bytes in the packet buffer to write |
| 33 | */ |
| 34 | public void writePacket(byte[] buffer, int count); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Called to inform PacketEncoder when the previous write is complete. |
| 39 | */ |
| 40 | abstract public void writeComplete(); |
| 41 | } |