| /* |
| * 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. |
| */ |
| |
| #ifndef SAMPLE_ITERATOR_H_ |
| |
| #define SAMPLE_ITERATOR_H_ |
| |
| #include <utils/Vector.h> |
| |
| namespace android { |
| |
| class SampleTable; |
| |
| struct SampleIterator { |
| explicit 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 |
| |
| #endif // SAMPLE_ITERATOR_H_ |