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libva-v4l2-request-fourier/src/buffer.h
T
2018-04-23 10:56:11 +02:00

70 lines
2.5 KiB
C

/*
* Copyright (c) 2016 Florent Revest, <florent.revest@free-electrons.com>
* 2007 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _BUFFER_H_
#define _BUFFER_H_
#include <va/va_backend.h>
#include "object_heap.h"
#include "sunxi_cedrus.h"
#define BUFFER(id) ((struct object_buffer *) object_heap_lookup(&driver_data->buffer_heap, id))
#define BUFFER_ID_OFFSET 0x08000000
struct object_buffer {
struct object_base base;
void *buffer_data;
void *buffer_map;
int max_num_elements;
int num_elements;
VABufferType type;
unsigned int size;
unsigned int map_size;
};
VAStatus sunxi_cedrus_CreateBuffer(VADriverContextP ctx, VAContextID context,
VABufferType type, unsigned int size, unsigned int num_elements,
void *data, VABufferID *buf_id);
VAStatus sunxi_cedrus_BufferSetNumElements(VADriverContextP ctx,
VABufferID buf_id, unsigned int num_elements);
VAStatus sunxi_cedrus_MapBuffer(VADriverContextP ctx, VABufferID buf_id,
void **pbuf);
VAStatus sunxi_cedrus_UnmapBuffer(VADriverContextP ctx, VABufferID buf_id);
void sunxi_cedrus_destroy_buffer(struct sunxi_cedrus_driver_data *driver_data,
struct object_buffer *obj_buffer);
VAStatus sunxi_cedrus_DestroyBuffer(VADriverContextP ctx, VABufferID buffer_id);
VAStatus sunxi_cedrus_BufferInfo(VADriverContextP ctx, VABufferID buf_id,
VABufferType *type, unsigned int *size,
unsigned int *num_elements);
#endif /* _BUFFER_H_ */