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      1 /*
      2  * Copyright (C) 2017 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 #include "include/CallbackDataSource.h"
     18 
     19 #include <media/stagefright/CallbackMediaSource.h>
     20 #include <media/stagefright/InterfaceUtils.h>
     21 #include <media/stagefright/RemoteDataSource.h>
     22 #include <media/stagefright/RemoteMediaSource.h>
     23 
     24 namespace android {
     25 
     26 sp<DataSource> CreateDataSourceFromIDataSource(const sp<IDataSource> &source) {
     27     if (source == nullptr) {
     28         return nullptr;
     29     }
     30     return new TinyCacheSource(new CallbackDataSource(source));
     31 }
     32 
     33 sp<IDataSource> CreateIDataSourceFromDataSource(const sp<DataSource> &source) {
     34     if (source == nullptr) {
     35         return nullptr;
     36     }
     37     return RemoteDataSource::wrap(source);
     38 }
     39 
     40 sp<IMediaExtractor> CreateIMediaExtractorFromMediaExtractor(
     41         MediaExtractor *extractor,
     42         const sp<DataSource> &source,
     43         const sp<RefBase> &plugin) {
     44     if (extractor == nullptr) {
     45         return nullptr;
     46     }
     47     return RemoteMediaExtractor::wrap(extractor, source, plugin);
     48 }
     49 
     50 sp<MediaSource> CreateMediaSourceFromIMediaSource(const sp<IMediaSource> &source) {
     51     if (source == nullptr) {
     52         return nullptr;
     53     }
     54     return new CallbackMediaSource(source);
     55 }
     56 
     57 sp<IMediaSource> CreateIMediaSourceFromMediaSourceBase(
     58         const sp<RemoteMediaExtractor> &extractor,
     59         MediaTrack *source, const sp<RefBase> &plugin) {
     60     if (source == nullptr) {
     61         return nullptr;
     62     }
     63     return RemoteMediaSource::wrap(extractor, source, plugin);
     64 }
     65 
     66 }  // namespace android
     67