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/*
* Copyright (C) 2009 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 SAMPLE_TABLE_H_
#define SAMPLE_TABLE_H_
#include <sys/types.h>
#include <stdint.h>
#include <media/stagefright/MediaErrors.h>
#include <utils/RefBase.h>
#include <utils/threads.h>
namespace android {
class DataSource;
class SampleTable : public RefBase {
public:
SampleTable(const sp<DataSource> &source);
// type can be 'stco' or 'co64'.
status_t setChunkOffsetParams(
uint32_t type, off_t data_offset, size_t data_size);
status_t setSampleToChunkParams(off_t data_offset, size_t data_size);
// type can be 'stsz' or 'stz2'.
status_t setSampleSizeParams(
uint32_t type, off_t data_offset, size_t data_size);
status_t setTimeToSampleParams(off_t data_offset, size_t data_size);
status_t setSyncSampleParams(off_t data_offset, size_t data_size);
////////////////////////////////////////////////////////////////////////////
uint32_t countChunkOffsets() const;
status_t getChunkOffset(uint32_t chunk_index, off_t *offset);
status_t getChunkForSample(
uint32_t sample_index, uint32_t *chunk_index,
uint32_t *chunk_relative_sample_index, uint32_t *desc_index);
uint32_t countSamples() const;
status_t getSampleSize(uint32_t sample_index, size_t *sample_size);
status_t getSampleOffsetAndSize(
uint32_t sample_index, off_t *offset, size_t *size);
status_t getMaxSampleSize(size_t *size);
status_t getDecodingTime(uint32_t sample_index, uint32_t *time);
enum {
kSyncSample_Flag = 1
};
status_t findClosestSample(
uint32_t req_time, uint32_t *sample_index, uint32_t flags);
status_t findClosestSyncSample(
uint32_t start_sample_index, uint32_t *sample_index);
protected:
~SampleTable();
private:
sp<DataSource> mDataSource;
Mutex mLock;
off_t mChunkOffsetOffset;
uint32_t mChunkOffsetType;
uint32_t mNumChunkOffsets;
off_t mSampleToChunkOffset;
uint32_t mNumSampleToChunkOffsets;
off_t mSampleSizeOffset;
uint32_t mSampleSizeFieldSize;
uint32_t mDefaultSampleSize;
uint32_t mNumSampleSizes;
uint32_t mTimeToSampleCount;
uint32_t *mTimeToSample;
off_t mSyncSampleOffset;
uint32_t mNumSyncSamples;
SampleTable(const SampleTable &);
SampleTable &operator=(const SampleTable &);
};
} // namespace android
#endif // SAMPLE_TABLE_H_
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