/*
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* swapped_buffer.h - swapped buffer
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*
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* Copyright (c) 2015 Intel Corporation
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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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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#ifndef XCAM_SWAPPED_BUFFER_H
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#define XCAM_SWAPPED_BUFFER_H
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#include <xcam_std.h>
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#include <buffer_pool.h>
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namespace XCam {
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class SwappedBuffer
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: public virtual BufferProxy
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{
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public:
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enum SwapFlags {
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SwapNone = 0,
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SwapY = 1,
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SwapUV = 2,
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};
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enum SwapOffsets {
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SwapYOffset0 = 0,
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SwapYOffset1 = 1,
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SwapUVOffset0 = 2,
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SwapUVOffset1 = 3,
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};
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enum InitOrder {
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OrderYMask = 0x000F,
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OrderY0Y1 = 0x0001,
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OrderY1Y0 = 0x0002,
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OrderUVMask = 0x0F00,
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OrderUV0UV1 = 0x0100,
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OrderUV1UV0 = 0x0200,
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};
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protected:
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explicit SwappedBuffer (
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const VideoBufferInfo &info, const SmartPtr<BufferData> &data);
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public:
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virtual ~SwappedBuffer ();
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void set_swap_info (uint32_t flags, uint32_t* offsets);
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SmartPtr<SwappedBuffer> swap_clone (
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SmartPtr<SwappedBuffer> self, uint32_t flags);
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protected:
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virtual SmartPtr<SwappedBuffer> create_new_swap_buffer (
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const VideoBufferInfo &info, SmartPtr<BufferData> &data);
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bool swap_new_buffer_info (
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const VideoBufferInfo &in, uint32_t flags, VideoBufferInfo &out);
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private:
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XCAM_DEAD_COPY (SwappedBuffer);
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protected:
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uint32_t _swap_flags;
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uint32_t _swap_offsets[XCAM_VIDEO_MAX_COMPONENTS * 2];
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};
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}
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#endif //XCAM_SWAPPED_BUFFER_H
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