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/*
* Copyright (C) 2010 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.
*/
#include <utils/Vector.h>
namespace android {
class SampleTable;
struct SampleIterator {
SampleIterator(SampleTable *table);
status_t seekTo(uint32_t sampleIndex);
uint32_t getChunkIndex() const { return mCurrentChunkIndex; }
uint32_t getDescIndex() const { return mChunkDesc; }
off64_t getSampleOffset() const { return mCurrentSampleOffset; }
size_t getSampleSize() const { return mCurrentSampleSize; }
uint32_t getSampleTime() const { return mCurrentSampleTime; }
uint32_t getSampleDuration() const { return mCurrentSampleDuration; }
status_t getSampleSizeDirect(
uint32_t sampleIndex, size_t *size);
private:
SampleTable *mTable;
bool mInitialized;
uint32_t mSampleToChunkIndex;
uint32_t mFirstChunk;
uint32_t mFirstChunkSampleIndex;
uint32_t mStopChunk;
uint32_t mStopChunkSampleIndex;
uint32_t mSamplesPerChunk;
uint32_t mChunkDesc;
uint32_t mCurrentChunkIndex;
off64_t mCurrentChunkOffset;
Vector<size_t> mCurrentChunkSampleSizes;
uint32_t mTimeToSampleIndex;
uint32_t mTTSSampleIndex;
uint32_t mTTSSampleTime;
uint32_t mTTSCount;
uint32_t mTTSDuration;
uint32_t mCurrentSampleIndex;
off64_t mCurrentSampleOffset;
size_t mCurrentSampleSize;
uint32_t mCurrentSampleTime;
uint32_t mCurrentSampleDuration;
void reset();
status_t findChunkRange(uint32_t sampleIndex);
status_t getChunkOffset(uint32_t chunk, off64_t *offset);
status_t findSampleTimeAndDuration(uint32_t sampleIndex, uint32_t *time, uint32_t *duration);
SampleIterator(const SampleIterator &);
SampleIterator &operator=(const SampleIterator &);
};
} // namespace android
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