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Paul McLean073ad282020-01-13 10:32:50 -07001/*
2 * Copyright 2019 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#ifndef __WAVTYPES_H__
17#define __WAVTYPES_H__
18
Paul McLean0c8b6832020-03-02 10:36:40 -070019namespace parselib {
Paul McLean073ad282020-01-13 10:32:50 -070020
21/*
22 * Declarations for various (cross-platform) WAV-specific data types.
23 */
24typedef unsigned int RiffID; // A "four character code" (i.e. FOURCC)
25typedef int RiffInt32; // A 32-bit signed integer
26typedef short RiffInt16; // A 16-bit signed integer
27
Paul McLean073ad282020-01-13 10:32:50 -070028/*
29 * Packs the specified characters into a 32-bit value in accordance with the Microsoft
30 * FOURCC specification.
31 */
32inline RiffID makeRiffID(char a, char b, char c, char d) {
33 return ((RiffID)d << 24) | ((RiffID)c << 16) | ((RiffID)b << 8) | (RiffID)a;
34}
35
Paul McLean0c8b6832020-03-02 10:36:40 -070036} // namespace parselib
Paul McLean073ad282020-01-13 10:32:50 -070037
38#endif /* __WAVTYPES_H__ */