1e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber/*
2e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * Copyright (C) 2009 The Android Open Source Project
3e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber *
4e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License");
5e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * you may not use this file except in compliance with the License.
6e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * You may obtain a copy of the License at
7e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber *
8e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber *      http://www.apache.org/licenses/LICENSE-2.0
9e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber *
10e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * Unless required by applicable law or agreed to in writing, software
11e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS,
12e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * See the License for the specific language governing permissions and
14e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber * limitations under the License.
15e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber */
16e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
17e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber#ifndef UTILS_H_
18e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
19e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber#define UTILS_H_
20e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
21e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber#include <stdint.h>
22e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
23e46b7be812d68e49710b34048662cbf18e2a6550Andreas Hubernamespace android {
24e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
25e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber#define FOURCC(c1, c2, c3, c4) \
26e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber    (c1 << 24 | c2 << 16 | c3 << 8 | c4)
27e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
28e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huberuint16_t U16_AT(const uint8_t *ptr);
29e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huberuint32_t U32_AT(const uint8_t *ptr);
30e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huberuint64_t U64_AT(const uint8_t *ptr);
31e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
32388379f8b4cabe7bccf280d450a6db2c3149796bAndreas Huberuint16_t U16LE_AT(const uint8_t *ptr);
33388379f8b4cabe7bccf280d450a6db2c3149796bAndreas Huberuint32_t U32LE_AT(const uint8_t *ptr);
34388379f8b4cabe7bccf280d450a6db2c3149796bAndreas Huberuint64_t U64LE_AT(const uint8_t *ptr);
35388379f8b4cabe7bccf280d450a6db2c3149796bAndreas Huber
36e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huberuint64_t ntoh64(uint64_t x);
37e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huberuint64_t hton64(uint64_t x);
38e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
39e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber}  // namespace android
40e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber
41e46b7be812d68e49710b34048662cbf18e2a6550Andreas Huber#endif  // UTILS_H_
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