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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 TIMED_TEXT_IN_BAND_SOURCE_H_
#define TIMED_TEXT_IN_BAND_SOURCE_H_
#include <media/stagefright/MediaErrors.h>
#include <media/stagefright/MediaSource.h>
#include "TimedTextSource.h"
namespace android {
class MediaBuffer;
class Parcel;
class TimedTextInBandSource : public TimedTextSource {
public:
TimedTextInBandSource(const sp<MediaSource>& mediaSource);
virtual status_t start() { return mSource->start(); }
virtual status_t stop() { return mSource->stop(); }
virtual status_t read(
int64_t *timeUs,
Parcel *parcel,
const MediaSource::ReadOptions *options = NULL);
virtual status_t extractGlobalDescriptions(Parcel *parcel);
protected:
virtual ~TimedTextInBandSource();
private:
sp<MediaSource> mSource;
status_t extractAndAppendLocalDescriptions(
int64_t timeUs, const MediaBuffer *textBuffer, Parcel *parcel);
DISALLOW_EVIL_CONSTRUCTORS(TimedTextInBandSource);
};
} // namespace android
#endif // TIMED_TEXT_IN_BAND_SOURCE_H_
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