1 /* 2 * Copyright (C) 2012 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 TIMED_TEXT_3GPP_SOURCE_H_ 18 #define TIMED_TEXT_3GPP_SOURCE_H_ 19 20 #include <media/stagefright/MediaErrors.h> 21 #include <media/stagefright/MediaSource.h> 22 23 #include "TimedTextSource.h" 24 25 namespace android { 26 27 class MediaBuffer; 28 class Parcel; 29 30 class TimedText3GPPSource : public TimedTextSource { 31 public: 32 TimedText3GPPSource(const sp<MediaSource>& mediaSource); 33 virtual status_t start() { return mSource->start(); } 34 virtual status_t stop() { return mSource->stop(); } 35 virtual status_t read( 36 int64_t *startTimeUs, 37 int64_t *endTimeUs, 38 Parcel *parcel, 39 const MediaSource::ReadOptions *options = NULL); 40 virtual status_t extractGlobalDescriptions(Parcel *parcel); 41 virtual sp<MetaData> getFormat(); 42 43 protected: 44 virtual ~TimedText3GPPSource(); 45 46 private: 47 sp<MediaSource> mSource; 48 49 status_t extractAndAppendLocalDescriptions( 50 int64_t timeUs, const MediaBuffer *textBuffer, Parcel *parcel); 51 52 DISALLOW_EVIL_CONSTRUCTORS(TimedText3GPPSource); 53 }; 54 55 } // namespace android 56 57 #endif // TIMED_TEXT_3GPP_SOURCE_H_ 58
