1 /* 2 * Copyright (C) 2013 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 #define LOG_TAG "MediaExtractorService" 18 //#define LOG_NDEBUG 0 19 #include <utils/Log.h> 20 21 #include <utils/Vector.h> 22 23 #include <media/DataSource.h> 24 #include <media/MediaExtractor.h> 25 #include <media/stagefright/DataSourceFactory.h> 26 #include <media/stagefright/InterfaceUtils.h> 27 #include <media/stagefright/MediaExtractorFactory.h> 28 #include <media/stagefright/RemoteDataSource.h> 29 #include "MediaExtractorService.h" 30 31 namespace android { 32 33 sp<IMediaExtractor> MediaExtractorService::makeExtractor( 34 const sp<IDataSource> &remoteSource, const char *mime) { 35 ALOGV("@@@ MediaExtractorService::makeExtractor for %s", mime); 36 37 sp<DataSource> localSource = CreateDataSourceFromIDataSource(remoteSource); 38 39 sp<IMediaExtractor> extractor = MediaExtractorFactory::CreateFromService(localSource, mime); 40 41 ALOGV("extractor service created %p (%s)", 42 extractor.get(), 43 extractor == nullptr ? "" : extractor->name()); 44 45 if (extractor != nullptr) { 46 registerMediaExtractor(extractor, localSource, mime); 47 return extractor; 48 } 49 return nullptr; 50 } 51 52 sp<IDataSource> MediaExtractorService::makeIDataSource(int fd, int64_t offset, int64_t length) 53 { 54 sp<DataSource> source = DataSourceFactory::CreateFromFd(fd, offset, length); 55 return CreateIDataSourceFromDataSource(source); 56 } 57 58 status_t MediaExtractorService::dump(int fd, const Vector<String16>& args) { 59 return MediaExtractorFactory::dump(fd, args) || dumpExtractors(fd, args); 60 } 61 62 status_t MediaExtractorService::onTransact(uint32_t code, const Parcel& data, Parcel* reply, 63 uint32_t flags) 64 { 65 return BnMediaExtractorService::onTransact(code, data, reply, flags); 66 } 67 68 } // namespace android 69
