| /* |
| * 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 TIMEDTEXT_PLAYER_H_ |
| #define TIMEDTEXT_PLAYER_H_ |
| |
| #include <binder/Parcel.h> |
| #include <media/stagefright/foundation/ABase.h> |
| #include <media/stagefright/foundation/AHandler.h> |
| #include <media/stagefright/MediaSource.h> |
| #include <utils/RefBase.h> |
| |
| #include "TimedTextSource.h" |
| |
| namespace android { |
| |
| struct AMessage; |
| class MediaPlayerBase; |
| class TimedTextDriver; |
| class TimedTextSource; |
| |
| class TimedTextPlayer : public AHandler { |
| public: |
| TimedTextPlayer(const wp<MediaPlayerBase> &listener); |
| |
| virtual ~TimedTextPlayer(); |
| |
| void start(); |
| void pause(); |
| void resume(); |
| void seekToAsync(int64_t timeUs); |
| void setDataSource(sp<TimedTextSource> source); |
| |
| protected: |
| virtual void onMessageReceived(const sp<AMessage> &msg); |
| |
| private: |
| enum { |
| kWhatPause = 'paus', |
| kWhatResume = 'resm', |
| kWhatStart = 'strt', |
| kWhatSeek = 'seek', |
| kWhatRetryRead = 'read', |
| kWhatSendSubtitle = 'send', |
| kWhatSetSource = 'ssrc', |
| }; |
| |
| // To add Parcel into an AMessage as an object, it should be 'RefBase'. |
| struct ParcelEvent : public RefBase { |
| Parcel parcel; |
| }; |
| |
| wp<MediaPlayerBase> mListener; |
| sp<TimedTextSource> mSource; |
| int64_t mPendingSeekTimeUs; |
| bool mPaused; |
| int32_t mSendSubtitleGeneration; |
| |
| void doSeekAndRead(int64_t seekTimeUs); |
| void doRead(MediaSource::ReadOptions* options = NULL); |
| void onTextEvent(); |
| void postTextEvent(const sp<ParcelEvent>& parcel = NULL, int64_t timeUs = -1); |
| int64_t delayUsFromCurrentTime(int64_t fireTimeUs); |
| void notifyError(int error = 0); |
| void notifyListener(const Parcel *parcel = NULL); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(TimedTextPlayer); |
| }; |
| |
| } // namespace android |
| |
| #endif // TIMEDTEXT_PLAYER_H_ |