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/*
* Copyright 2020 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 _ANDROID_MEDIA_MEDIACODECLINEARBLOCK_H_
#define _ANDROID_MEDIA_MEDIACODECLINEARBLOCK_H_
#include <C2Buffer.h>
#include <binder/MemoryHeapBase.h>
#include <hidl/HidlSupport.h>
#include <media/MediaCodecBuffer.h>
namespace android {
struct JMediaCodecLinearBlock {
std::shared_ptr<C2Buffer> mBuffer;
std::shared_ptr<C2ReadView> mReadonlyMapping;
std::shared_ptr<C2LinearBlock> mBlock;
std::shared_ptr<C2WriteView> mReadWriteMapping;
sp<IMemory> mMemory;
sp<hardware::HidlMemory> mHidlMemory;
ssize_t mHidlMemoryOffset;
size_t mHidlMemorySize;
sp<MediaCodecBuffer> mLegacyBuffer;
std::once_flag mCopyWarningFlag;
std::shared_ptr<C2Buffer> toC2Buffer(size_t offset, size_t size) {
if (mBuffer) {
if (mBuffer->data().type() != C2BufferData::LINEAR) {
return nullptr;
}
C2ConstLinearBlock block = mBuffer->data().linearBlocks().front();
if (offset == 0 && size == block.capacity()) {
return mBuffer;
}
std::shared_ptr<C2Buffer> buffer =
C2Buffer::CreateLinearBuffer(block.subBlock(offset, size));
for (const std::shared_ptr<const C2Info> &info : mBuffer->info()) {
std::shared_ptr<C2Param> param = std::move(C2Param::Copy(*info));
buffer->setInfo(std::static_pointer_cast<C2Info>(param));
}
return buffer;
}
if (mBlock) {
return C2Buffer::CreateLinearBuffer(mBlock->share(offset, size, C2Fence{}));
}
return nullptr;
}
sp<hardware::HidlMemory> toHidlMemory() {
if (mHidlMemory) {
return mHidlMemory;
}
return nullptr;
}
};
} // namespace android
#endif // _ANDROID_MEDIA_MEDIACODECLINEARBLOCK_H_
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