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 <media/stagefright/foundation/AString.h> 22 #include <stdint.h> 23 #include <utils/Errors.h> 24 #include <utils/RefBase.h> 25 #include <system/audio.h> 26 #include <media/MediaPlayerInterface.h> 27 28 namespace android { 29 30 #define FOURCC(c1, c2, c3, c4) \ 31 (c1 << 24 | c2 << 16 | c3 << 8 | c4) 32 33 uint16_t U16_AT(const uint8_t *ptr); 34 uint32_t U32_AT(const uint8_t *ptr); 35 uint64_t U64_AT(const uint8_t *ptr); 36 37 uint16_t U16LE_AT(const uint8_t *ptr); 38 uint32_t U32LE_AT(const uint8_t *ptr); 39 uint64_t U64LE_AT(const uint8_t *ptr); 40 41 uint64_t ntoh64(uint64_t x); 42 uint64_t hton64(uint64_t x); 43 44 struct MetaData; 45 struct AMessage; 46 status_t convertMetaDataToMessage( 47 const sp<MetaData> &meta, sp<AMessage> *format); 48 void convertMessageToMetaData( 49 const sp<AMessage> &format, sp<MetaData> &meta); 50 51 AString MakeUserAgent(); 52 53 // Convert a MIME type to a AudioSystem::audio_format 54 status_t mapMimeToAudioFormat(audio_format_t& format, const char* mime); 55 56 // Convert a aac profile to a AudioSystem::audio_format 57 void mapAACProfileToAudioFormat(audio_format_t& format, uint64_t eAacProfile); 58 59 // Send information from MetaData to the HAL via AudioSink 60 status_t sendMetaDataToHal(sp<MediaPlayerBase::AudioSink>& sink, const sp<MetaData>& meta); 61 62 // Check whether the stream defined by meta can be offloaded to hardware 63 bool canOffloadStream(const sp<MetaData>& meta, bool hasVideo, 64 bool isStreaming, audio_stream_type_t streamType); 65 66 AString uriDebugString(const AString &uri, bool incognito = false); 67 68 } // namespace android 69 70 #endif // UTILS_H_ 71
