1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef MEDIA_MIDI_MIDI_MESSAGE_UTIL_H_
6#define MEDIA_MIDI_MIDI_MESSAGE_UTIL_H_
7
8#include <deque>
9#include <vector>
10
11#include "base/basictypes.h"
12#include "media/base/media_export.h"
13
14namespace media {
15
16// Returns the length of a MIDI message in bytes. Never returns 4 or greater.
17// Returns 0 if |status_byte| is:
18// - not a valid status byte, namely data byte.
19// - the MIDI System Exclusive message.
20// - the End of System Exclusive message.
21MEDIA_EXPORT size_t GetMidiMessageLength(uint8 status_byte);
22
23const uint8 kSysExByte = 0xf0;
24const uint8 kEndOfSysExByte = 0xf7;
25
26const uint8 kSysMessageBitMask = 0xf0;
27const uint8 kSysMessageBitPattern = 0xf0;
28const uint8 kSysRTMessageBitMask = 0xf8;
29const uint8 kSysRTMessageBitPattern = 0xf8;
30
31}  // namespace media
32
33#endif  // MEDIA_MIDI_MIDI_MESSAGE_UTIL_H_
34