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/*
* cl_video_buffer.h - cl video buffer
*
* Copyright (c) 2017 Intel Corporation
*
* 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.
*
* Author: Yinhang Liu <yinhangx.liu@intel.com>
* Author: Wind Yuan <feng.yuan@intel.com>
*/
#ifndef XCAM_CL_VIDEO_BUFFER_H
#define XCAM_CL_VIDEO_BUFFER_H
#include <xcam_std.h>
#include <safe_list.h>
#include <xcam_mutex.h>
#include <buffer_pool.h>
#include <x3a_stats_pool.h>
#include <ocl/cl_context.h>
namespace XCam {
class CLBuffer;
class CLVideoBufferPool;
class CLVideoBufferData
: public BufferData
{
friend class CLVideoBufferPool;
public:
~CLVideoBufferData ();
cl_mem &get_mem_id ();
SmartPtr<CLBuffer> get_cl_buffer () {
return _buf;
}
//derived from BufferData
virtual uint8_t *map ();
virtual bool unmap ();
protected:
explicit CLVideoBufferData (SmartPtr<CLBuffer> &body);
private:
XCAM_DEAD_COPY (CLVideoBufferData);
private:
uint8_t *_buf_ptr;
SmartPtr<CLBuffer> _buf;
};
class CLVideoBuffer
: public BufferProxy
, public CLBuffer
{
friend class CLVideoBufferPool;
public:
explicit CLVideoBuffer (
const SmartPtr<CLContext> &context, const VideoBufferInfo &info, const SmartPtr<CLVideoBufferData> &data);
virtual ~CLVideoBuffer () {}
SmartPtr<CLBuffer> get_cl_buffer ();
SmartPtr<X3aStats> find_3a_stats ();
protected:
CLVideoBuffer (const VideoBufferInfo &info, const SmartPtr<CLVideoBufferData> &data);
private:
XCAM_DEAD_COPY (CLVideoBuffer);
};
class CLVideoBufferPool
: public BufferPool
{
friend class CLVideoBuffer;
public:
explicit CLVideoBufferPool () {}
~CLVideoBufferPool () {}
protected:
// derived from BufferPool
virtual bool fixate_video_info (VideoBufferInfo &info);
virtual SmartPtr<BufferData> allocate_data (const VideoBufferInfo &buffer_info);
virtual SmartPtr<BufferProxy> create_buffer_from_data (SmartPtr<BufferData> &data);
private:
XCAM_DEAD_COPY (CLVideoBufferPool);
};
};
#endif // XCAM_CL_VIDEO_BUFFER_H
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