Utils.h revision 1e9ee018c6fa906c99270616456c32f0bb30c9c0
1/* 2 * Copyright (C) 2009 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 17#ifndef UTILS_H_ 18 19#define UTILS_H_ 20 21#include <stdint.h> 22#include <utils/Errors.h> 23#include <utils/RefBase.h> 24 25namespace android { 26 27#define FOURCC(c1, c2, c3, c4) \ 28 (c1 << 24 | c2 << 16 | c3 << 8 | c4) 29 30uint16_t U16_AT(const uint8_t *ptr); 31uint32_t U32_AT(const uint8_t *ptr); 32uint64_t U64_AT(const uint8_t *ptr); 33 34uint16_t U16LE_AT(const uint8_t *ptr); 35uint32_t U32LE_AT(const uint8_t *ptr); 36uint64_t U64LE_AT(const uint8_t *ptr); 37 38uint64_t ntoh64(uint64_t x); 39uint64_t hton64(uint64_t x); 40 41struct MetaData; 42struct AMessage; 43status_t convertMetaDataToMessage( 44 const sp<MetaData> &meta, sp<AMessage> *format); 45void convertMessageToMetaData( 46 const sp<AMessage> &format, sp<MetaData> &meta); 47 48} // namespace android 49 50#endif // UTILS_H_ 51