| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/midi/midi_message_util.h" |
| |
| namespace media { |
| namespace midi { |
| |
| size_t GetMidiMessageLength(uint8 status_byte) { |
| if (status_byte < 0x80) |
| return 0; |
| if (0x80 <= status_byte && status_byte <= 0xbf) |
| return 3; |
| if (0xc0 <= status_byte && status_byte <= 0xdf) |
| return 2; |
| if (0xe0 <= status_byte && status_byte <= 0xef) |
| return 3; |
| if (status_byte == 0xf0) |
| return 0; |
| if (status_byte == 0xf1) |
| return 2; |
| if (status_byte == 0xf2) |
| return 3; |
| if (status_byte == 0xf3) |
| return 2; |
| if (0xf4 <= status_byte && status_byte <= 0xf6) |
| return 1; |
| if (status_byte == 0xf7) |
| return 0; |
| // 0xf8 <= status_byte && status_byte <= 0xff |
| return 1; |
| } |
| |
| } // namespace midi |
| } // namespace media |
