1 /*
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
19 namespace parselib {
20
21 /*
22 * Declarations for various (cross-platform) WAV-specific data types.
23 */
24 typedef unsigned int RiffID; // A "four character code" (i.e. FOURCC)
25 typedef int RiffInt32; // A 32-bit signed integer
26 typedef short RiffInt16; // A 16-bit signed integer
27
28 /*
29 * Packs the specified characters into a 32-bit value in accordance with the Microsoft
30 * FOURCC specification.
31 */
makeRiffID(char a,char b,char c,char d)32 inline 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
36 } // namespace parselib
37
38 #endif /* __WAVTYPES_H__ */
39