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/*
* 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_
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