| /* |
| * Copyright (C) 2012 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef TIMED_TEXT_DRIVER_H_ |
| #define TIMED_TEXT_DRIVER_H_ |
| |
| #include <media/stagefright/foundation/ABase.h> // for DISALLOW_* macro |
| #include <utils/Errors.h> // for status_t |
| #include <utils/RefBase.h> |
| #include <utils/threads.h> |
| |
| namespace android { |
| |
| struct ALooper; |
| struct IMediaHTTPService; |
| class MediaPlayerBase; |
| class MediaSource; |
| class Parcel; |
| class TimedTextPlayer; |
| class TimedTextSource; |
| class DataSource; |
| |
| class TimedTextDriver { |
| public: |
| TimedTextDriver( |
| const wp<MediaPlayerBase> &listener, |
| const sp<IMediaHTTPService> &httpService); |
| |
| ~TimedTextDriver(); |
| |
| status_t start(); |
| status_t pause(); |
| status_t selectTrack(size_t index); |
| status_t unselectTrack(size_t index); |
| |
| status_t seekToAsync(int64_t timeUs); |
| |
| status_t addInBandTextSource( |
| size_t trackIndex, const sp<MediaSource>& source); |
| |
| status_t addOutOfBandTextSource( |
| size_t trackIndex, const char *uri, const char *mimeType); |
| |
| // Caller owns the file desriptor and caller is responsible for closing it. |
| status_t addOutOfBandTextSource( |
| size_t trackIndex, int fd, off64_t offset, |
| off64_t length, const char *mimeType); |
| |
| void getExternalTrackInfo(Parcel *parcel); |
| size_t countExternalTracks() const; |
| |
| private: |
| Mutex mLock; |
| |
| enum State { |
| UNINITIALIZED, |
| PREPARED, |
| PLAYING, |
| PAUSED, |
| }; |
| |
| enum TextSourceType { |
| TEXT_SOURCE_TYPE_IN_BAND = 0, |
| TEXT_SOURCE_TYPE_OUT_OF_BAND, |
| }; |
| |
| sp<ALooper> mLooper; |
| sp<TimedTextPlayer> mPlayer; |
| wp<MediaPlayerBase> mListener; |
| sp<IMediaHTTPService> mHTTPService; |
| |
| // Variables to be guarded by mLock. |
| State mState; |
| size_t mCurrentTrackIndex; |
| KeyedVector<size_t, sp<TimedTextSource> > mTextSourceVector; |
| Vector<TextSourceType> mTextSourceTypeVector; |
| |
| // -- End of variables to be guarded by mLock |
| |
| status_t selectTrack_l(size_t index); |
| |
| status_t createOutOfBandTextSource( |
| size_t trackIndex, const char* mimeType, |
| const sp<DataSource>& dataSource); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(TimedTextDriver); |
| }; |
| |
| } // namespace android |
| |
| #endif // TIMED_TEXT_DRIVER_H_ |