1bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim/* 2bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * Copyright 2012, The Android Open Source Project 3bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * 4bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * Licensed under the Apache License, Version 2.0 (the "License"); 5bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * you may not use this file except in compliance with the License. 6bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * You may obtain a copy of the License at 7bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * 8bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * http://www.apache.org/licenses/LICENSE-2.0 9bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * 10bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * Unless required by applicable law or agreed to in writing, software 11bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * distributed under the License is distributed on an "AS IS" BASIS, 12bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * See the License for the specific language governing permissions and 14bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * limitations under the License. 15bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim */ 16bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 17bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#ifndef MEDIA_CODEC_LIST_WRITER_H_ 18bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 19bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#define MEDIA_CODEC_LIST_WRITER_H_ 20bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 21bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#include <media/stagefright/foundation/ABase.h> 22bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#include <media/stagefright/MediaCodecListWriter.h> 23bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#include <media/MediaCodecInfo.h> 24bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 25bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#include <utils/Errors.h> 26bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#include <utils/StrongPointer.h> 27bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 28bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kimnamespace android { 29bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 30bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim/** 31bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * This class is to be used by a `MediaCodecListBuilderBase` instance to add 32bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * information to the destination `MediaCodecList` object. 33bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim */ 34bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kimstruct MediaCodecListWriter { 35bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim /** 36bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * Add a key-value pair to a `MediaCodecList`'s global settings. 37bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * 38bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * @param key Key. 39bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * @param value Value. 40bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim */ 41bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim void addGlobalSetting(const char* key, const char* value); 42bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim /** 43bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * Create an add a new `MediaCodecInfo` object for a `MediaCodecList`, and 44bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * return a `MediaCodecInfoWriter` object associated with the newly added 45bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * `MediaCodecInfo`. 46bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * 47bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * @return The `MediaCodecInfoWriter` object associated with the newly 48bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * added `MediaCodecInfo` object. 49bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim */ 50bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim std::unique_ptr<MediaCodecInfoWriter> addMediaCodecInfo(); 51bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kimprivate: 52bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim MediaCodecListWriter() = default; 53bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 54bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim void writeGlobalSettings(const sp<AMessage> &globalSettings) const; 55bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim void writeCodecInfos(std::vector<sp<MediaCodecInfo>> *codecInfos) const; 56bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 57bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim std::vector<std::pair<std::string, std::string>> mGlobalSettings; 58bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim std::vector<sp<MediaCodecInfo>> mCodecInfos; 59bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 60bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim friend struct MediaCodecList; 61bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim}; 62bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 63bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim/** 64bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * This interface is to be used by `MediaCodecList` to fill its members with 65bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * appropriate information. `buildMediaCodecList()` will be called from a 66bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * `MediaCodecList` object during its construction. 67bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim */ 68bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kimstruct MediaCodecListBuilderBase { 69bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim /** 70bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * Build the `MediaCodecList` via the given `MediaCodecListWriter` interface. 71bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * 72bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * @param writer The writer interface. 73bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * @return The status of the construction. `NO_ERROR` means success. 74bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim */ 75bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim virtual status_t buildMediaCodecList(MediaCodecListWriter* writer) = 0; 76bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 77bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim /** 78bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim * The default destructor does nothing. 79bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim */ 80bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim virtual ~MediaCodecListBuilderBase() = default; 81bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 82bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim typedef MediaCodecListBuilderBase *(*CreateBuilderFunc)(void); 83bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim}; 84bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 85bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim} // namespace android 86bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 87bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim#endif // MEDIA_CODEC_LIST_WRITER_H_ 88bc3ad96efdfca9ceaa5ff31b27f7571b32903fdeWonsik Kim 89