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76 lines
2.1 KiB
76 lines
2.1 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FRAME_REASSEMBLER_H_
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#define FRAME_REASSEMBLER_H_
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#include <set>
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#include <memory>
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#include <media/MediaCodecBuffer.h>
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#include <C2Config.h>
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#include <C2Work.h>
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namespace android {
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class FrameReassembler {
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public:
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FrameReassembler();
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void init(
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const std::shared_ptr<C2BlockPool> &pool,
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C2MemoryUsage usage,
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uint32_t frameSize,
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uint32_t sampleRate,
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uint32_t channelCount,
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C2Config::pcm_encoding_t encoding);
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void updateFrameSize(uint32_t frameSize);
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void updateSampleRate(uint32_t sampleRate);
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void updateChannelCount(uint32_t channelCount);
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void updatePcmEncoding(C2Config::pcm_encoding_t encoding);
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void reset();
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void flush();
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explicit operator bool() const;
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c2_status_t process(
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const sp<MediaCodecBuffer> &buffer,
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std::list<std::unique_ptr<C2Work>> *items);
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private:
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std::shared_ptr<C2BlockPool> mBlockPool;
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C2MemoryUsage mUsage;
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std::optional<uint32_t> mFrameSize;
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uint32_t mSampleRate;
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uint32_t mChannelCount;
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C2Config::pcm_encoding_t mEncoding;
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std::list<std::unique_ptr<C2Work>> mPendingWork;
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C2WorkOrdinalStruct mCurrentOrdinal;
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std::shared_ptr<C2LinearBlock> mCurrentBlock;
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std::optional<C2WriteView> mWriteView;
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uint64_t bytesToSamples(size_t numBytes) const;
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size_t usToSamples(uint64_t us) const;
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uint32_t bytesPerSample() const;
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void finishCurrentBlock(std::list<std::unique_ptr<C2Work>> *items);
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};
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} // namespace android
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#endif // FRAME_REASSEMBLER_H_
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