67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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* Copyright (C) 2010 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 AML_MP_BUFFER_H_
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#define AML_MP_BUFFER_H_
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#include <sys/types.h>
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#include <stdint.h>
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#include "AmlMpRefBase.h"
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namespace aml_mp {
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struct AmlMpBuffer : public AmlMpRefBase {
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explicit AmlMpBuffer(size_t capacity);
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AmlMpBuffer(void *data, size_t capacity);
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uint8_t *base() { return (uint8_t *)mData; }
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uint8_t *data() { return (uint8_t *)mData + mRangeOffset; }
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size_t capacity() const { return mCapacity; }
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size_t size() const { return mRangeLength; }
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size_t offset() const { return mRangeOffset; }
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void setRange(size_t offset, size_t size);
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// create buffer from dup of some memory block
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static sptr<AmlMpBuffer> CreateAsCopy(const void *data, size_t capacity);
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void setInt32Data(int32_t data) { mInt32Data = data; }
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int32_t int32Data() const { return mInt32Data; }
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protected:
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virtual ~AmlMpBuffer();
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private:
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void *mData;
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size_t mCapacity;
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size_t mRangeOffset;
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size_t mRangeLength;
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int32_t mInt32Data;
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bool mOwnsData;
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AmlMpBuffer(const AmlMpBuffer&) = delete;
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AmlMpBuffer& operator= (const AmlMpBuffer&) = delete;
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};
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} // namespace android
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#endif // A_BUFFER_H_
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