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_ 42