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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 TRACK_FRAGMENT_H_
#define TRACK_FRAGMENT_H_
#include "include/FragmentedMP4Parser.h"
namespace android {
struct FragmentedMP4Parser::TrackFragment : public RefBase {
TrackFragment() {}
virtual status_t getSample(SampleInfo *info) = 0;
virtual void advance() = 0;
virtual status_t signalCompletion() = 0;
virtual bool complete() const = 0;
protected:
virtual ~TrackFragment() {}
private:
DISALLOW_EVIL_CONSTRUCTORS(TrackFragment);
};
struct FragmentedMP4Parser::DynamicTrackFragment : public FragmentedMP4Parser::TrackFragment {
DynamicTrackFragment();
virtual status_t getSample(SampleInfo *info);
virtual void advance();
void addSample(
off64_t dataOffset, size_t sampleSize,
uint32_t presentationTime,
size_t sampleDescIndex,
uint32_t flags);
// No more samples will be added to this fragment.
virtual status_t signalCompletion();
virtual bool complete() const;
protected:
virtual ~DynamicTrackFragment();
private:
bool mComplete;
size_t mSampleIndex;
Vector<SampleInfo> mSamples;
DISALLOW_EVIL_CONSTRUCTORS(DynamicTrackFragment);
};
struct FragmentedMP4Parser::StaticTrackFragment : public FragmentedMP4Parser::TrackFragment {
StaticTrackFragment();
virtual status_t getSample(SampleInfo *info);
virtual void advance();
virtual status_t signalCompletion();
virtual bool complete() const;
status_t parseSampleSizes(
FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
status_t parseCompactSampleSizes(
FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
status_t parseSampleToChunk(
FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
status_t parseChunkOffsets(
FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
status_t parseChunkOffsets64(
FragmentedMP4Parser *parser, uint32_t type, size_t offset, uint64_t size);
protected:
virtual ~StaticTrackFragment();
private:
size_t mSampleIndex;
size_t mSampleCount;
uint32_t mChunkIndex;
SampleInfo mSampleInfo;
sp<ABuffer> mSampleSizes;
sp<ABuffer> mCompactSampleSizes;
sp<ABuffer> mSampleToChunk;
ssize_t mSampleToChunkIndex;
size_t mSampleToChunkRemaining;
sp<ABuffer> mChunkOffsets;
sp<ABuffer> mChunkOffsets64;
uint32_t mPrevChunkIndex;
uint64_t mNextSampleOffset;
void updateSampleInfo();
DISALLOW_EVIL_CONSTRUCTORS(StaticTrackFragment);
};
} // namespace android
#endif // TRACK_FRAGMENT_H_
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